From 3bc81522c65d724de121cbe6265c60e48a8f8ae7 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 3 Jun 2025 07:31:19 +0900
Subject: enhance(frontend): IDにUUIDを使うのをやめる (#16138)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* wip

* Update flash-edit.vue
---
 packages/frontend/src/utility/get-embed-code.ts |  4 ++--
 packages/frontend/src/utility/id.ts             | 25 +++++++++++++++++++++++++
 packages/frontend/src/utility/theme-editor.ts   |  4 ++--
 3 files changed, 29 insertions(+), 4 deletions(-)
 create mode 100644 packages/frontend/src/utility/id.ts

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/get-embed-code.ts b/packages/frontend/src/utility/get-embed-code.ts
index de36314ac2..5ccd46cfe2 100644
--- a/packages/frontend/src/utility/get-embed-code.ts
+++ b/packages/frontend/src/utility/get-embed-code.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 import { defineAsyncComponent } from 'vue';
-import { v4 as uuid } from 'uuid';
+import { genId } from '@/utility/id.js';
 import { url } from '@@/js/config.js';
 import { defaultEmbedParams, embedRouteWithScrollbar } from '@@/js/embed-page.js';
 import type { EmbedParams, EmbeddableEntity } from '@@/js/embed-page.js';
@@ -44,7 +44,7 @@ export function normalizeEmbedParams(params: EmbedParams): Record<string, string
  * 埋め込みコードを生成（iframe IDの発番もやる）
  */
 export function getEmbedCode(path: string, params?: EmbedParams): string {
-	const iframeId = 'v1_' + uuid(); // 将来embed.jsのバージョンが上がったとき用にv1_を付けておく
+	const iframeId = 'v1_' + genId(); // 将来embed.jsのバージョンが上がったとき用にv1_を付けておく
 
 	let paramString = '';
 	if (params) {
diff --git a/packages/frontend/src/utility/id.ts b/packages/frontend/src/utility/id.ts
new file mode 100644
index 0000000000..63a7f7d74c
--- /dev/null
+++ b/packages/frontend/src/utility/id.ts
@@ -0,0 +1,25 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+// ランダムな文字列が生成できればなんでも良い(時系列でソートできるなら尚良)が、とりあえずaidの実装を拝借
+
+const TIME2000 = 946684800000;
+let counter = Math.floor(Math.random() * 10000);
+
+function getTime(time: number): string {
+	time = time - TIME2000;
+	if (time < 0) time = 0;
+
+	return time.toString(36).padStart(8, '0');
+}
+
+function getNoise(): string {
+	return counter.toString(36).padStart(2, '0').slice(-2);
+}
+
+export function genId(): string {
+	counter++;
+	return getTime(Date.now()) + getNoise();
+}
diff --git a/packages/frontend/src/utility/theme-editor.ts b/packages/frontend/src/utility/theme-editor.ts
index ea07e5f2ff..74175703c3 100644
--- a/packages/frontend/src/utility/theme-editor.ts
+++ b/packages/frontend/src/utility/theme-editor.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { v4 as uuid } from 'uuid';
+import { genId } from '@/utility/id.js';
 
 import type { Theme } from '@/theme.js';
 import { themeProps } from '@/theme.js';
@@ -66,7 +66,7 @@ export const convertToMisskeyTheme = (vm: ThemeViewModel, name: string, desc: st
 	}
 
 	return {
-		id: uuid(),
+		id: genId(),
 		name, desc, author, props, base,
 	};
 };
-- 
cgit v1.2.3-freya


From 93d17aff6ce80b4fdd29f2038087b2e18614772d Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 3 Jun 2025 07:37:08 +0900
Subject: refactor(frontend): ID生成処理を統一
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/frontend/src/components/MkInput.vue                     | 3 ++-
 packages/frontend/src/components/MkSparkle.vue                   | 3 ++-
 packages/frontend/src/components/MkTutorialDialog.Note.vue       | 3 ++-
 packages/frontend/src/pages/admin/announcements.vue              | 3 ++-
 packages/frontend/src/pages/admin/federation-job-queue.chart.vue | 3 ++-
 packages/frontend/src/pages/admin/overview.queue.vue             | 3 ++-
 packages/frontend/src/pages/admin/overview.vue                   | 3 ++-
 packages/frontend/src/pages/reversi/game.board.vue               | 3 ++-
 packages/frontend/src/pages/settings/navbar.vue                  | 7 ++++---
 packages/frontend/src/pages/settings/preferences.vue             | 3 ++-
 packages/frontend/src/pages/settings/profile.vue                 | 5 +++--
 packages/frontend/src/utility/drive.ts                           | 3 ++-
 packages/frontend/src/widgets/WidgetAiscript.vue                 | 5 +++--
 packages/frontend/src/widgets/WidgetJobQueue.vue                 | 3 ++-
 packages/frontend/src/widgets/server-metric/cpu-mem.vue          | 2 +-
 packages/frontend/src/widgets/server-metric/net.vue              | 3 ++-
 16 files changed, 35 insertions(+), 20 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/components/MkInput.vue b/packages/frontend/src/components/MkInput.vue
index b34b7aaf60..cc7ad8bb78 100644
--- a/packages/frontend/src/components/MkInput.vue
+++ b/packages/frontend/src/components/MkInput.vue
@@ -52,6 +52,7 @@ import type { SuggestionType } from '@/utility/autocomplete.js';
 import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n.js';
 import { Autocomplete } from '@/utility/autocomplete.js';
+import { genId } from '@/utility/id.js';
 
 const props = defineProps<{
 	modelValue: string | number | null;
@@ -87,7 +88,7 @@ const emit = defineEmits<{
 
 const { modelValue, type, autofocus } = toRefs(props);
 const v = ref(modelValue.value);
-const id = Math.random().toString(); // TODO: uuid?
+const id = genId();
 const focused = ref(false);
 const changed = ref(false);
 const invalid = ref(false);
diff --git a/packages/frontend/src/components/MkSparkle.vue b/packages/frontend/src/components/MkSparkle.vue
index 2400c5ec7f..47955a7fd7 100644
--- a/packages/frontend/src/components/MkSparkle.vue
+++ b/packages/frontend/src/components/MkSparkle.vue
@@ -57,6 +57,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { onMounted, onUnmounted, ref, useTemplateRef } from 'vue';
+import { genId } from '@/utility/id.js';
 
 const particles = ref<{
 	id: string,
@@ -86,7 +87,7 @@ onMounted(() => {
 		const y = (Math.random() * (height.value - 64));
 		const sizeFactor = Math.random();
 		const particle = {
-			id: Math.random().toString(),
+			id: genId(),
 			x,
 			y,
 			size: 0.2 + ((sizeFactor / 10) * 3),
diff --git a/packages/frontend/src/components/MkTutorialDialog.Note.vue b/packages/frontend/src/components/MkTutorialDialog.Note.vue
index 95f53e7635..b77e67e9c6 100644
--- a/packages/frontend/src/components/MkTutorialDialog.Note.vue
+++ b/packages/frontend/src/components/MkTutorialDialog.Note.vue
@@ -29,6 +29,7 @@ import { i18n } from '@/i18n.js';
 import { globalEvents } from '@/events.js';
 import { $i } from '@/i.js';
 import MkNote from '@/components/MkNote.vue';
+import { genId } from '@/utility/id.js';
 
 const props = defineProps<{
 	phase: 'aboutNote' | 'howToReact';
@@ -83,7 +84,7 @@ function doNotification(emoji: string): void {
 	if (!$i || !emoji) return;
 
 	const notification: Misskey.entities.Notification = {
-		id: Math.random().toString(),
+		id: genId(),
 		createdAt: new Date().toUTCString(),
 		type: 'reaction',
 		reaction: emoji,
diff --git a/packages/frontend/src/pages/admin/announcements.vue b/packages/frontend/src/pages/admin/announcements.vue
index b2d7b4889a..e5903d6257 100644
--- a/packages/frontend/src/pages/admin/announcements.vue
+++ b/packages/frontend/src/pages/admin/announcements.vue
@@ -97,6 +97,7 @@ import { i18n } from '@/i18n.js';
 import { definePage } from '@/page.js';
 import MkFolder from '@/components/MkFolder.vue';
 import MkTextarea from '@/components/MkTextarea.vue';
+import { genId } from '@/utility/id.js';
 
 const announcementsStatus = ref<'active' | 'archived'>('active');
 
@@ -117,7 +118,7 @@ watch(announcementsStatus, (to) => {
 
 function add() {
 	announcements.value.unshift({
-		_id: Math.random().toString(36),
+		_id: genId(),
 		id: null,
 		title: 'New announcement',
 		text: '',
diff --git a/packages/frontend/src/pages/admin/federation-job-queue.chart.vue b/packages/frontend/src/pages/admin/federation-job-queue.chart.vue
index 4b10d682a5..b17eceadde 100644
--- a/packages/frontend/src/pages/admin/federation-job-queue.chart.vue
+++ b/packages/frontend/src/pages/admin/federation-job-queue.chart.vue
@@ -57,6 +57,7 @@ import { misskeyApi } from '@/utility/misskey-api.js';
 import { useStream } from '@/stream.js';
 import { i18n } from '@/i18n.js';
 import MkFolder from '@/components/MkFolder.vue';
+import { genId } from '@/utility/id.js';
 
 const connection = markRaw(useStream().useChannel('queueStats'));
 
@@ -113,7 +114,7 @@ onMounted(() => {
 	connection.on('stats', onStats);
 	connection.on('statsLog', onStatsLog);
 	connection.send('requestLog', {
-		id: Math.random().toString().substring(2, 10),
+		id: genId(),
 		length: 200,
 	});
 });
diff --git a/packages/frontend/src/pages/admin/overview.queue.vue b/packages/frontend/src/pages/admin/overview.queue.vue
index cf07cddced..e7e139b74d 100644
--- a/packages/frontend/src/pages/admin/overview.queue.vue
+++ b/packages/frontend/src/pages/admin/overview.queue.vue
@@ -41,6 +41,7 @@ import XChart from './overview.queue.chart.vue';
 import type { ApQueueDomain } from '@/pages/admin/queue.vue';
 import number from '@/filters/number.js';
 import { useStream } from '@/stream.js';
+import { genId } from '@/utility/id.js';
 
 const connection = markRaw(useStream().useChannel('queueStats'));
 
@@ -92,7 +93,7 @@ onMounted(() => {
 	connection.on('stats', onStats);
 	connection.on('statsLog', onStatsLog);
 	connection.send('requestLog', {
-		id: Math.random().toString().substring(2, 10),
+		id: genId(),
 		length: 100,
 	});
 });
diff --git a/packages/frontend/src/pages/admin/overview.vue b/packages/frontend/src/pages/admin/overview.vue
index caa888b51d..2ad5173618 100644
--- a/packages/frontend/src/pages/admin/overview.vue
+++ b/packages/frontend/src/pages/admin/overview.vue
@@ -84,6 +84,7 @@ import { useStream } from '@/stream.js';
 import { i18n } from '@/i18n.js';
 import { definePage } from '@/page.js';
 import MkFoldableSection from '@/components/MkFoldableSection.vue';
+import { genId } from '@/utility/id.js';
 
 const rootEl = useTemplateRef('rootEl');
 const serverInfo = ref<Misskey.entities.ServerInfoResponse | null>(null);
@@ -170,7 +171,7 @@ onMounted(async () => {
 
 	nextTick(() => {
 		queueStatsConnection.send('requestLog', {
-			id: Math.random().toString().substring(2, 10),
+			id: genId(),
 			length: 100,
 		});
 	});
diff --git a/packages/frontend/src/pages/reversi/game.board.vue b/packages/frontend/src/pages/reversi/game.board.vue
index c0c90cb993..69429728d0 100644
--- a/packages/frontend/src/pages/reversi/game.board.vue
+++ b/packages/frontend/src/pages/reversi/game.board.vue
@@ -158,6 +158,7 @@ import { userPage } from '@/filters/user.js';
 import * as sound from '@/utility/sound.js';
 import * as os from '@/os.js';
 import { confetti } from '@/utility/confetti.js';
+import { genId } from '@/utility/id.js';
 
 const $i = ensureSignin();
 
@@ -273,7 +274,7 @@ function putStone(pos: number) {
 		playbackRate: 1,
 	});
 
-	const id = Math.random().toString(36).slice(2);
+	const id = genId();
 	props.connection!.send('putStone', {
 		pos: pos,
 		id,
diff --git a/packages/frontend/src/pages/settings/navbar.vue b/packages/frontend/src/pages/settings/navbar.vue
index ef698fcd6e..e57195c8a2 100644
--- a/packages/frontend/src/pages/settings/navbar.vue
+++ b/packages/frontend/src/pages/settings/navbar.vue
@@ -70,11 +70,12 @@ import { definePage } from '@/page.js';
 import { prefer } from '@/preferences.js';
 import { PREF_DEF } from '@/preferences/def.js';
 import { getInitialPrefValue } from '@/preferences/manager.js';
+import { genId } from '@/utility/id.js';
 
 const Sortable = defineAsyncComponent(() => import('vuedraggable').then(x => x.default));
 
 const items = ref(prefer.s.menu.map(x => ({
-	id: Math.random().toString(),
+	id: genId(),
 	type: x,
 })));
 
@@ -93,7 +94,7 @@ async function addItem() {
 	});
 	if (canceled) return;
 	items.value = [...items.value, {
-		id: Math.random().toString(),
+		id: genId(),
 		type: item,
 	}];
 }
@@ -108,7 +109,7 @@ async function save() {
 
 function reset() {
 	items.value = getInitialPrefValue('menu').map(x => ({
-		id: Math.random().toString(),
+		id: genId(),
 		type: x,
 	}));
 }
diff --git a/packages/frontend/src/pages/settings/preferences.vue b/packages/frontend/src/pages/settings/preferences.vue
index 05e491ae37..678cfb93c0 100644
--- a/packages/frontend/src/pages/settings/preferences.vue
+++ b/packages/frontend/src/pages/settings/preferences.vue
@@ -796,6 +796,7 @@ import { globalEvents } from '@/events.js';
 import { claimAchievement } from '@/utility/achievements.js';
 import { instance } from '@/instance.js';
 import { ensureSignin } from '@/i.js';
+import { genId } from '@/utility/id.js';
 
 const $i = ensureSignin();
 
@@ -1009,7 +1010,7 @@ let smashTimer: number | null = null;
 
 function testNotification(): void {
 	const notification: Misskey.entities.Notification = {
-		id: Math.random().toString(),
+		id: genId(),
 		createdAt: new Date().toUTCString(),
 		isRead: false,
 		type: 'test',
diff --git a/packages/frontend/src/pages/settings/profile.vue b/packages/frontend/src/pages/settings/profile.vue
index cd1565f39e..ce7f31cd23 100644
--- a/packages/frontend/src/pages/settings/profile.vue
+++ b/packages/frontend/src/pages/settings/profile.vue
@@ -171,6 +171,7 @@ import { claimAchievement } from '@/utility/achievements.js';
 import { store } from '@/store.js';
 import MkInfo from '@/components/MkInfo.vue';
 import MkTextarea from '@/components/MkTextarea.vue';
+import { genId } from '@/utility/id.js';
 
 const $i = ensureSignin();
 
@@ -199,12 +200,12 @@ watch(() => profile, () => {
 	deep: true,
 });
 
-const fields = ref($i.fields.map(field => ({ id: Math.random().toString(), name: field.name, value: field.value })) ?? []);
+const fields = ref($i.fields.map(field => ({ id: genId(), name: field.name, value: field.value })) ?? []);
 const fieldEditMode = ref(false);
 
 function addField() {
 	fields.value.push({
-		id: Math.random().toString(),
+		id: genId(),
 		name: '',
 		value: '',
 	});
diff --git a/packages/frontend/src/utility/drive.ts b/packages/frontend/src/utility/drive.ts
index fcc847653d..0e10f80145 100644
--- a/packages/frontend/src/utility/drive.ts
+++ b/packages/frontend/src/utility/drive.ts
@@ -15,6 +15,7 @@ import { $i } from '@/i.js';
 import { instance } from '@/instance.js';
 import { globalEvents } from '@/events.js';
 import { getProxiedImageUrl } from '@/utility/media-proxy.js';
+import { genId } from '@/utility/id.js';
 
 type UploadReturnType = {
 	filePromise: Promise<Misskey.entities.DriveFile>;
@@ -195,7 +196,7 @@ export function chooseFileFromUrl(): Promise<Misskey.entities.DriveFile> {
 		}).then(({ canceled, result: url }) => {
 			if (canceled) return;
 
-			const marker = Math.random().toString(); // TODO: UUIDとか使う
+			const marker = genId();
 
 			// TODO: no websocketモード対応
 			const connection = useStream().useChannel('main');
diff --git a/packages/frontend/src/widgets/WidgetAiscript.vue b/packages/frontend/src/widgets/WidgetAiscript.vue
index c46fd81466..da71dcad29 100644
--- a/packages/frontend/src/widgets/WidgetAiscript.vue
+++ b/packages/frontend/src/widgets/WidgetAiscript.vue
@@ -29,6 +29,7 @@ import MkContainer from '@/components/MkContainer.vue';
 import { aiScriptReadline, createAiScriptEnv } from '@/aiscript/api.js';
 import { $i } from '@/i.js';
 import { i18n } from '@/i18n.js';
+import { genId } from '@/utility/id.js';
 
 const name = 'aiscript';
 
@@ -73,7 +74,7 @@ const run = async () => {
 		in: aiScriptReadline,
 		out: (value) => {
 			logs.value.push({
-				id: Math.random().toString(),
+				id: genId(),
 				text: value.type === 'str' ? value.value : utils.valToString(value),
 				print: true,
 			});
@@ -81,7 +82,7 @@ const run = async () => {
 		log: (type, params) => {
 			switch (type) {
 				case 'end': logs.value.push({
-					id: Math.random().toString(),
+					id: genId(),
 					text: utils.valToString(params.val, true),
 					print: false,
 				}); break;
diff --git a/packages/frontend/src/widgets/WidgetJobQueue.vue b/packages/frontend/src/widgets/WidgetJobQueue.vue
index 485e532d51..84fd4669cd 100644
--- a/packages/frontend/src/widgets/WidgetJobQueue.vue
+++ b/packages/frontend/src/widgets/WidgetJobQueue.vue
@@ -60,6 +60,7 @@ import kmg from '@/filters/kmg.js';
 import * as sound from '@/utility/sound.js';
 import { deepClone } from '@/utility/clone.js';
 import { prefer } from '@/preferences.js';
+import { genId } from '@/utility/id.js';
 
 const name = 'jobQueue';
 
@@ -144,7 +145,7 @@ connection.on('stats', onStats);
 connection.on('statsLog', onStatsLog);
 
 connection.send('requestLog', {
-	id: Math.random().toString().substring(2, 10),
+	id: genId(),
 	length: 1,
 });
 
diff --git a/packages/frontend/src/widgets/server-metric/cpu-mem.vue b/packages/frontend/src/widgets/server-metric/cpu-mem.vue
index 1f22e14a70..d8a876f936 100644
--- a/packages/frontend/src/widgets/server-metric/cpu-mem.vue
+++ b/packages/frontend/src/widgets/server-metric/cpu-mem.vue
@@ -106,7 +106,7 @@ onMounted(() => {
 	props.connection.on('stats', onStats);
 	props.connection.on('statsLog', onStatsLog);
 	props.connection.send('requestLog', {
-		id: Math.random().toString().substring(2, 10),
+		id: genId(),
 		length: 50,
 	});
 });
diff --git a/packages/frontend/src/widgets/server-metric/net.vue b/packages/frontend/src/widgets/server-metric/net.vue
index d78494b8d2..5e08a47100 100644
--- a/packages/frontend/src/widgets/server-metric/net.vue
+++ b/packages/frontend/src/widgets/server-metric/net.vue
@@ -52,6 +52,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { onMounted, onBeforeUnmount, ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import bytes from '@/filters/bytes.js';
+import { genId } from '@/utility/id.js';
 
 const props = defineProps<{
 	connection: Misskey.ChannelConnection<Misskey.Channels['serverStats']>,
@@ -76,7 +77,7 @@ onMounted(() => {
 	props.connection.on('stats', onStats);
 	props.connection.on('statsLog', onStatsLog);
 	props.connection.send('requestLog', {
-		id: Math.random().toString().substring(2, 10),
+		id: genId(),
 		length: 50,
 	});
 });
-- 
cgit v1.2.3-freya


From cd9322a8243b12632db2dd9a29a702d7531a5aa0 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 3 Jun 2025 19:18:29 +0900
Subject: feat(frontend): 画像編集機能 (#16121)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* wip

* wip

* wip

* wip

* Update watermarker.ts

* wip

* wip

* Update watermarker.ts

* Update MkUploaderDialog.vue

* wip

* Update ImageEffector.ts

* Update ImageEffector.ts

* wip

* wip

* wip

* wip

* wip

* wip

* Update MkRange.vue

* Update MkRange.vue

* wip

* wip

* Update MkImageEffectorDialog.vue

* Update MkImageEffectorDialog.Layer.vue

* wip

* Update zoomLines.ts

* Update zoomLines.ts

* wip

* wip

* Update ImageEffector.ts

* wip

* Update ImageEffector.ts

* wip

* Update ImageEffector.ts

* swip

* wip

* Update ImageEffector.ts

* wop

* Update MkUploaderDialog.vue

* Update ImageEffector.ts

* wip

* wip

* wip

* Update def.ts

* Update def.ts

* test

* test

* Update manager.ts

* Update manager.ts

* Update manager.ts

* Update manager.ts

* Update MkImageEffectorDialog.vue

* wip

* use WEBGL_lose_context

* wip

* Update MkUploaderDialog.vue

* Update drive.vue

* wip

* Update MkUploaderDialog.vue

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip
---
 CHANGELOG.md                                       |   1 +
 locales/index.d.ts                                 | 178 ++++++++
 locales/ja-JP.yml                                  |  49 +++
 packages/frontend/assets/sample/2-3.jpg            | Bin 0 -> 306563 bytes
 packages/frontend/assets/sample/3-2.jpg            | Bin 0 -> 419447 bytes
 .../src/components/MkImageEffectorDialog.Layer.vue |  78 ++++
 .../src/components/MkImageEffectorDialog.vue       | 302 +++++++++++++
 .../frontend/src/components/MkPositionSelector.vue |  53 +++
 packages/frontend/src/components/MkRange.vue       |  68 ++-
 .../frontend/src/components/MkUploaderDialog.vue   | 292 ++++++++++---
 .../components/MkWatermarkEditorDialog.Layer.vue   | 318 ++++++++++++++
 .../src/components/MkWatermarkEditorDialog.vue     | 455 ++++++++++++++++++++
 .../src/pages/settings/drive.WatermarkItem.vue     | 112 +++++
 packages/frontend/src/pages/settings/drive.vue     | 190 ++++++--
 packages/frontend/src/preferences/def.ts           |  28 ++
 .../src/utility/image-effector/ImageEffector.ts    | 476 +++++++++++++++++++++
 .../frontend/src/utility/image-effector/fxs.ts     |  37 ++
 .../src/utility/image-effector/fxs/checker.ts      |  87 ++++
 .../image-effector/fxs/chromaticAberration.ts      |  76 ++++
 .../src/utility/image-effector/fxs/colorClamp.ts   |  53 +++
 .../image-effector/fxs/colorClampAdvanced.ts       |  89 ++++
 .../src/utility/image-effector/fxs/distort.ts      |  71 +++
 .../src/utility/image-effector/fxs/glitch.ts       |  96 +++++
 .../src/utility/image-effector/fxs/grayscale.ts    |  37 ++
 .../src/utility/image-effector/fxs/invert.ts       |  53 +++
 .../src/utility/image-effector/fxs/mirror.ts       |  58 +++
 .../src/utility/image-effector/fxs/polkadot.ts     | 151 +++++++
 .../src/utility/image-effector/fxs/stripe.ts       |  98 +++++
 .../src/utility/image-effector/fxs/threshold.ts    |  62 +++
 .../image-effector/fxs/watermarkPlacement.ts       | 148 +++++++
 .../src/utility/image-effector/fxs/zoomLines.ts    |  97 +++++
 packages/frontend/src/utility/snowfall-effect.ts   |   2 +-
 packages/frontend/src/utility/watermark.ts         | 180 ++++++++
 33 files changed, 3887 insertions(+), 108 deletions(-)
 create mode 100644 packages/frontend/assets/sample/2-3.jpg
 create mode 100644 packages/frontend/assets/sample/3-2.jpg
 create mode 100644 packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
 create mode 100644 packages/frontend/src/components/MkImageEffectorDialog.vue
 create mode 100644 packages/frontend/src/components/MkPositionSelector.vue
 create mode 100644 packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
 create mode 100644 packages/frontend/src/components/MkWatermarkEditorDialog.vue
 create mode 100644 packages/frontend/src/pages/settings/drive.WatermarkItem.vue
 create mode 100644 packages/frontend/src/utility/image-effector/ImageEffector.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/checker.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/chromaticAberration.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/distort.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/glitch.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/grayscale.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/invert.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/mirror.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/polkadot.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/stripe.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/threshold.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/zoomLines.ts
 create mode 100644 packages/frontend/src/utility/watermark.ts

(limited to 'packages/frontend/src/utility')

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c91d602692..659aaae694 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 -
 
 ### Client
+- Feat: 画像にウォーターマークを付与できるようになりました
 - Enhance: ノートのリアクション一覧で、押せるリアクションを優先して表示できるようにするオプションを追加
 - Fix: ドライブファイルの選択が不安定な問題を修正
 - Fix: コントロールパネルのファイル欄などのデザインが崩れている問題を修正
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 0119b4ae5e..6f3d2b3853 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -5481,6 +5481,14 @@ export interface Locale extends ILocale {
      * 全ての「ヒントとコツ」を非表示
      */
     "hideAllTips": string;
+    /**
+     * デフォルトの画像圧縮度
+     */
+    "defaultImageCompressionLevel": string;
+    /**
+     * 低くすると画質を保てますが、ファイルサイズは増加します。<br>高くするとファイルサイズを減らせますが、画質は低下します。
+     */
+    "defaultImageCompressionLevel_description": string;
     "_chat": {
         /**
          * まだメッセージはありません
@@ -12024,6 +12032,176 @@ export interface Locale extends ILocale {
          */
         "tip": string;
     };
+    /**
+     * ウォーターマーク
+     */
+    "watermark": string;
+    /**
+     * デフォルトのプリセット
+     */
+    "defaultPreset": string;
+    "_watermarkEditor": {
+        /**
+         * 画像にクレジット情報などのウォーターマークを追加することができます。
+         */
+        "tip": string;
+        /**
+         * 保存せずに終了しますか？
+         */
+        "quitWithoutSaveConfirm": string;
+        /**
+         * ウォーターマークの編集
+         */
+        "title": string;
+        /**
+         * 全体に被せる
+         */
+        "cover": string;
+        /**
+         * 敷き詰める
+         */
+        "repeat": string;
+        /**
+         * 不透明度
+         */
+        "opacity": string;
+        /**
+         * サイズ
+         */
+        "scale": string;
+        /**
+         * テキスト
+         */
+        "text": string;
+        /**
+         * 位置
+         */
+        "position": string;
+        /**
+         * タイプ
+         */
+        "type": string;
+        /**
+         * 画像
+         */
+        "image": string;
+        /**
+         * 高度
+         */
+        "advanced": string;
+        /**
+         * ストライプ
+         */
+        "stripe": string;
+        /**
+         * ラインの幅
+         */
+        "stripeWidth": string;
+        /**
+         * ラインの数
+         */
+        "stripeFrequency": string;
+        /**
+         * 角度
+         */
+        "angle": string;
+        /**
+         * ポルカドット
+         */
+        "polkadot": string;
+        /**
+         * チェッカー
+         */
+        "checker": string;
+        /**
+         * メインドットの不透明度
+         */
+        "polkadotMainDotOpacity": string;
+        /**
+         * メインドットの大きさ
+         */
+        "polkadotMainDotRadius": string;
+        /**
+         * サブドットの不透明度
+         */
+        "polkadotSubDotOpacity": string;
+        /**
+         * サブドットの大きさ
+         */
+        "polkadotSubDotRadius": string;
+        /**
+         * サブドットの数
+         */
+        "polkadotSubDotDivisions": string;
+    };
+    "_imageEffector": {
+        /**
+         * エフェクト
+         */
+        "title": string;
+        /**
+         * エフェクトを追加
+         */
+        "addEffect": string;
+        /**
+         * 変更を破棄して終了しますか？
+         */
+        "discardChangesConfirm": string;
+        "_fxs": {
+            /**
+             * 色収差
+             */
+            "chromaticAberration": string;
+            /**
+             * グリッチ
+             */
+            "glitch": string;
+            /**
+             * ミラー
+             */
+            "mirror": string;
+            /**
+             * 色の反転
+             */
+            "invert": string;
+            /**
+             * 白黒
+             */
+            "grayscale": string;
+            /**
+             * 色の圧縮
+             */
+            "colorClamp": string;
+            /**
+             * 色の圧縮(高度)
+             */
+            "colorClampAdvanced": string;
+            /**
+             * 歪み
+             */
+            "distort": string;
+            /**
+             * 二値化
+             */
+            "threshold": string;
+            /**
+             * 集中線
+             */
+            "zoomLines": string;
+            /**
+             * ストライプ
+             */
+            "stripe": string;
+            /**
+             * ポルカドット
+             */
+            "polkadot": string;
+            /**
+             * チェッカー
+             */
+            "checker": string;
+        };
+    };
 }
 declare const locales: {
     [lang: string]: Locale;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index b61bbf4970..d4bd2c3116 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1365,6 +1365,8 @@ abort: "中止"
 tip: "ヒントとコツ"
 redisplayAllTips: "全ての「ヒントとコツ」を再表示"
 hideAllTips: "全ての「ヒントとコツ」を非表示"
+defaultImageCompressionLevel: "デフォルトの画像圧縮度"
+defaultImageCompressionLevel_description: "低くすると画質を保てますが、ファイルサイズは増加します。<br>高くするとファイルサイズを減らせますが、画質は低下します。"
 
 _chat:
   noMessagesYet: "まだメッセージはありません"
@@ -3219,3 +3221,50 @@ _clip:
 
 _userLists:
   tip: "任意のユーザーが含まれるリストを作成できます。作成したリストはタイムラインとして表示可能です。"
+
+watermark: "ウォーターマーク"
+defaultPreset: "デフォルトのプリセット"
+_watermarkEditor:
+  tip: "画像にクレジット情報などのウォーターマークを追加することができます。"
+  quitWithoutSaveConfirm: "保存せずに終了しますか？"
+  title: "ウォーターマークの編集"
+  cover: "全体に被せる"
+  repeat: "敷き詰める"
+  opacity: "不透明度"
+  scale: "サイズ"
+  text: "テキスト"
+  position: "位置"
+  type: "タイプ"
+  image: "画像"
+  advanced: "高度"
+  stripe: "ストライプ"
+  stripeWidth: "ラインの幅"
+  stripeFrequency: "ラインの数"
+  angle: "角度"
+  polkadot: "ポルカドット"
+  checker: "チェッカー"
+  polkadotMainDotOpacity: "メインドットの不透明度"
+  polkadotMainDotRadius: "メインドットの大きさ"
+  polkadotSubDotOpacity: "サブドットの不透明度"
+  polkadotSubDotRadius: "サブドットの大きさ"
+  polkadotSubDotDivisions: "サブドットの数"
+
+_imageEffector:
+  title: "エフェクト"
+  addEffect: "エフェクトを追加"
+  discardChangesConfirm: "変更を破棄して終了しますか？"
+
+  _fxs:
+    chromaticAberration: "色収差"
+    glitch: "グリッチ"
+    mirror: "ミラー"
+    invert: "色の反転"
+    grayscale: "白黒"
+    colorClamp: "色の圧縮"
+    colorClampAdvanced: "色の圧縮(高度)"
+    distort: "歪み"
+    threshold: "二値化"
+    zoomLines: "集中線"
+    stripe: "ストライプ"
+    polkadot: "ポルカドット"
+    checker: "チェッカー"
diff --git a/packages/frontend/assets/sample/2-3.jpg b/packages/frontend/assets/sample/2-3.jpg
new file mode 100644
index 0000000000..ee9bff6527
Binary files /dev/null and b/packages/frontend/assets/sample/2-3.jpg differ
diff --git a/packages/frontend/assets/sample/3-2.jpg b/packages/frontend/assets/sample/3-2.jpg
new file mode 100644
index 0000000000..400de1649d
Binary files /dev/null and b/packages/frontend/assets/sample/3-2.jpg differ
diff --git a/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue b/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
new file mode 100644
index 0000000000..0312017d86
--- /dev/null
+++ b/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
@@ -0,0 +1,78 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkFolder :defaultOpen="true" :canPage="false">
+	<template #label>{{ fx.name }}</template>
+	<template #footer>
+		<div class="_buttons">
+			<MkButton iconOnly @click="emit('del')"><i class="ti ti-trash"></i></MkButton>
+			<MkButton iconOnly @click="emit('swapUp')"><i class="ti ti-arrow-up"></i></MkButton>
+			<MkButton iconOnly @click="emit('swapDown')"><i class="ti ti-arrow-down"></i></MkButton>
+		</div>
+	</template>
+
+	<div :class="$style.root" class="_gaps">
+		<div v-for="[k, v] in Object.entries(fx.params)" :key="k">
+			<MkSwitch v-if="v.type === 'boolean'" v-model="layer.params[k]">
+				<template #label>{{ k }}</template>
+			</MkSwitch>
+			<MkRange v-else-if="v.type === 'number'" v-model="layer.params[k]" continuousUpdate :min="v.min" :max="v.max" :step="v.step">
+				<template #label>{{ k }}</template>
+			</MkRange>
+			<MkRadios v-else-if="v.type === 'number:enum'" v-model="layer.params[k]">
+				<template #label>{{ k }}</template>
+				<option v-for="item in v.enum" :value="item.value">{{ item.label }}</option>
+			</MkRadios>
+			<div v-else-if="v.type === 'seed'">
+				<MkRange v-model="layer.params[k]" continuousUpdate type="number" :min="0" :max="10000" :step="1">
+					<template #label>{{ k }}</template>
+				</MkRange>
+			</div>
+			<MkInput v-else-if="v.type === 'color'" :modelValue="`#${(layer.params[k][0] * 255).toString(16).padStart(2, '0')}${(layer.params[k][1] * 255).toString(16).padStart(2, '0')}${(layer.params[k][2] * 255).toString(16).padStart(2, '0')}`" type="color" @update:modelValue="v => { const c = v.slice(1).match(/.{2}/g)?.map(x => parseInt(x, 16) / 255); if (c) layer.params[k] = c; }">
+				<template #label>{{ k }}</template>
+			</MkInput>
+		</div>
+	</div>
+</MkFolder>
+</template>
+
+<script setup lang="ts">
+import { ref, useTemplateRef, watch, onMounted, onUnmounted } from 'vue';
+import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
+import { i18n } from '@/i18n.js';
+import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
+import MkFolder from '@/components/MkFolder.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkInput from '@/components/MkInput.vue';
+import MkRadios from '@/components/MkRadios.vue';
+import MkSwitch from '@/components/MkSwitch.vue';
+import MkRange from '@/components/MkRange.vue';
+import FormSlot from '@/components/form/slot.vue';
+import MkPositionSelector from '@/components/MkPositionSelector.vue';
+import * as os from '@/os.js';
+import { selectFile } from '@/utility/drive.js';
+import { misskeyApi } from '@/utility/misskey-api.js';
+import { prefer } from '@/preferences.js';
+import { FXS } from '@/utility/image-effector/fxs.js';
+
+const layer = defineModel<ImageEffectorLayer>('layer', { required: true });
+const fx = FXS.find((fx) => fx.id === layer.value.fxId);
+if (fx == null) {
+	throw new Error(`Unrecognized effect: ${layer.value.fxId}`);
+}
+
+const emit = defineEmits<{
+	(e: 'del'): void;
+	(e: 'swapUp'): void;
+	(e: 'swapDown'): void;
+}>();
+</script>
+
+<style module>
+.root {
+
+}
+</style>
diff --git a/packages/frontend/src/components/MkImageEffectorDialog.vue b/packages/frontend/src/components/MkImageEffectorDialog.vue
new file mode 100644
index 0000000000..997dd4d528
--- /dev/null
+++ b/packages/frontend/src/components/MkImageEffectorDialog.vue
@@ -0,0 +1,302 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialog"
+	:width="1000"
+	:height="600"
+	:scroll="false"
+	:withOkButton="true"
+	@close="cancel()"
+	@ok="save()"
+	@closed="emit('closed')"
+>
+	<template #header><i class="ti ti-sparkles"></i> {{ i18n.ts._imageEffector.title }}</template>
+
+	<div :class="$style.root">
+		<div :class="$style.container">
+			<div :class="$style.preview">
+				<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
+				<div :class="$style.previewContainer">
+					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
+					<div class="_acrylic" :class="$style.previewControls">
+						<button class="_button" :class="[$style.previewControlsButton, !enabled ? $style.active : null]" @click="enabled = false">Before</button>
+						<button class="_button" :class="[$style.previewControlsButton, enabled ? $style.active : null]" @click="enabled = true">After</button>
+					</div>
+				</div>
+			</div>
+			<div :class="$style.controls">
+				<div class="_spacer _gaps">
+					<XLayer
+						v-for="(layer, i) in layers"
+						:key="layer.id"
+						v-model:layer="layers[i]"
+						@del="onLayerDelete(layer)"
+						@swapUp="onLayerSwapUp(layer)"
+						@swapDown="onLayerSwapDown(layer)"
+					></XLayer>
+
+					<MkButton rounded primary style="margin: 0 auto;" @click="addEffect"><i class="ti ti-plus"></i> {{ i18n.ts._imageEffector.addEffect }}</MkButton>
+				</div>
+			</div>
+		</div>
+	</div>
+</MkModalWindow>
+</template>
+
+<script setup lang="ts">
+import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick } from 'vue';
+import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
+import { i18n } from '@/i18n.js';
+import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkInput from '@/components/MkInput.vue';
+import XLayer from '@/components/MkImageEffectorDialog.Layer.vue';
+import * as os from '@/os.js';
+import { deepClone } from '@/utility/clone.js';
+import { FXS } from '@/utility/image-effector/fxs.js';
+import { genId } from '@/utility/id.js';
+
+const props = defineProps<{
+	image: File;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'ok', image: File): void;
+	(ev: 'cancel'): void;
+	(ev: 'closed'): void;
+}>();
+
+const dialog = useTemplateRef('dialog');
+
+async function cancel() {
+	if (layers.length > 0) {
+		const { canceled } = await os.confirm({
+			text: i18n.ts._imageEffector.discardChangesConfirm,
+		});
+		if (canceled) return;
+	}
+
+	emit('cancel');
+	dialog.value?.close();
+}
+
+const layers = reactive<ImageEffectorLayer[]>([]);
+
+watch(layers, async () => {
+	if (renderer != null) {
+		renderer.setLayers(layers);
+	}
+}, { deep: true });
+
+function addEffect(ev: MouseEvent) {
+	os.popupMenu(FXS.filter(fx => fx.id !== 'watermarkPlacement').map((fx) => ({
+		text: fx.name,
+		action: () => {
+			layers.push({
+				id: genId(),
+				fxId: fx.id,
+				params: Object.fromEntries(Object.entries(fx.params).map(([k, v]) => [k, v.default])),
+			});
+		},
+	})), ev.currentTarget ?? ev.target);
+}
+
+function onLayerSwapUp(layer: ImageEffectorLayer) {
+	const index = layers.indexOf(layer);
+	if (index > 0) {
+		layers.splice(index, 1);
+		layers.splice(index - 1, 0, layer);
+	}
+}
+
+function onLayerSwapDown(layer: ImageEffectorLayer) {
+	const index = layers.indexOf(layer);
+	if (index < layers.length - 1) {
+		layers.splice(index, 1);
+		layers.splice(index + 1, 0, layer);
+	}
+}
+
+function onLayerDelete(layer: ImageEffectorLayer) {
+	const index = layers.indexOf(layer);
+	if (index !== -1) {
+		layers.splice(index, 1);
+	}
+}
+
+const canvasEl = useTemplateRef('canvasEl');
+
+let renderer: ImageEffector | null = null;
+let imageBitmap: ImageBitmap | null = null;
+
+onMounted(async () => {
+	if (canvasEl.value == null) return;
+
+	const closeWaiting = os.waiting();
+
+	await nextTick(); // waitingがレンダリングされるまで待つ
+
+	imageBitmap = await window.createImageBitmap(props.image);
+
+	const MAX_W = 1000;
+	const MAX_H = 1000;
+	let w = imageBitmap.width;
+	let h = imageBitmap.height;
+
+	if (w > MAX_W || h > MAX_H) {
+		const scale = Math.min(MAX_W / w, MAX_H / h);
+		w *= scale;
+		h *= scale;
+	}
+
+	renderer = new ImageEffector({
+		canvas: canvasEl.value,
+		renderWidth: w,
+		renderHeight: h,
+		image: imageBitmap,
+		fxs: FXS,
+	});
+
+	await renderer.setLayers(layers);
+
+	renderer.render();
+
+	closeWaiting();
+});
+
+onUnmounted(() => {
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+	if (imageBitmap != null) {
+		imageBitmap.close();
+		imageBitmap = null;
+	}
+});
+
+async function save() {
+	if (layers.length === 0 || renderer == null || imageBitmap == null || canvasEl.value == null) {
+		cancel();
+		return;
+	}
+
+	const closeWaiting = os.waiting();
+
+	await nextTick(); // waitingがレンダリングされるまで待つ
+
+	renderer.changeResolution(imageBitmap.width, imageBitmap.height); // 本番レンダリングのためオリジナル画質に戻す
+	renderer.render(); // toBlobの直前にレンダリングしないと何故か壊れる
+	canvasEl.value.toBlob((blob) => {
+		emit('ok', new File([blob!], `image-${Date.now()}.png`, { type: 'image/png' }));
+		dialog.value?.close();
+		closeWaiting();
+	}, 'image/png');
+}
+
+const enabled = ref(true);
+watch(enabled, () => {
+	if (renderer != null) {
+		if (enabled.value) {
+			renderer.setLayers(layers);
+		} else {
+			renderer.setLayers([]);
+		}
+		renderer.render();
+	}
+});
+</script>
+
+<style module>
+.root {
+	container-type: inline-size;
+	height: 100%;
+}
+
+.container {
+	height: 100%;
+	display: grid;
+	grid-template-columns: 1fr 400px;
+}
+
+.preview {
+	position: relative;
+	background-color: var(--MI_THEME-bg);
+	background-size: auto auto;
+	background-image: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--MI_THEME-panel) 6px, var(--MI_THEME-panel) 12px);
+}
+
+.previewContainer {
+	display: flex;
+	flex-direction: column;
+	height: 100%;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewTitle {
+	position: absolute;
+	z-index: 100;
+	top: 8px;
+	left: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+	font-size: 85%;
+}
+
+.previewControls {
+	position: absolute;
+	z-index: 100;
+	bottom: 8px;
+	right: 8px;
+	display: flex;
+	align-items: center;
+	gap: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+}
+
+.previewControlsButton {
+	&.active {
+		color: var(--MI_THEME-accent);
+	}
+}
+
+.previewSpinner {
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+	pointer-events: none;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewCanvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	padding: 20px;
+	box-sizing: border-box;
+	object-fit: contain;
+}
+
+.controls {
+	overflow-y: scroll;
+}
+
+@container (max-width: 800px) {
+	.container {
+		grid-template-columns: 1fr;
+		grid-template-rows: 1fr 1fr;
+	}
+}
+</style>
diff --git a/packages/frontend/src/components/MkPositionSelector.vue b/packages/frontend/src/components/MkPositionSelector.vue
new file mode 100644
index 0000000000..002950cdf1
--- /dev/null
+++ b/packages/frontend/src/components/MkPositionSelector.vue
@@ -0,0 +1,53 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="[$style.root]">
+	<div :class="$style.items">
+		<button class="_button" :class="[$style.item, x === 'left' && y === 'top' ? $style.active : null]" @click="() => { x = 'left'; y = 'top'; }"><i class="ti ti-align-box-left-top"></i></button>
+		<button class="_button" :class="[$style.item, x === 'center' && y === 'top' ? $style.active : null]" @click="() => { x = 'center'; y = 'top'; }"><i class="ti ti-align-box-center-top"></i></button>
+		<button class="_button" :class="[$style.item, x === 'right' && y === 'top' ? $style.active : null]" @click="() => { x = 'right'; y = 'top'; }"><i class="ti ti-align-box-right-top"></i></button>
+		<button class="_button" :class="[$style.item, x === 'left' && y === 'center' ? $style.active : null]" @click="() => { x = 'left'; y = 'center'; }"><i class="ti ti-align-box-left-middle"></i></button>
+		<button class="_button" :class="[$style.item, x === 'center' && y === 'center' ? $style.active : null]" @click="() => { x = 'center'; y = 'center'; }"><i class="ti ti-align-box-center-middle"></i></button>
+		<button class="_button" :class="[$style.item, x === 'right' && y === 'center' ? $style.active : null]" @click="() => { x = 'right'; y = 'center'; }"><i class="ti ti-align-box-right-middle"></i></button>
+		<button class="_button" :class="[$style.item, x === 'left' && y === 'bottom' ? $style.active : null]" @click="() => { x = 'left'; y = 'bottom'; }"><i class="ti ti-align-box-left-bottom"></i></button>
+		<button class="_button" :class="[$style.item, x === 'center' && y === 'bottom' ? $style.active : null]" @click="() => { x = 'center'; y = 'bottom'; }"><i class="ti ti-align-box-center-bottom"></i></button>
+		<button class="_button" :class="[$style.item, x === 'right' && y === 'bottom' ? $style.active : null]" @click="() => { x = 'right'; y = 'bottom'; }"><i class="ti ti-align-box-right-bottom"></i></button>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+
+const x = defineModel<string>('x', { default: 'center' });
+const y = defineModel<string>('y', { default: 'center' });
+</script>
+
+<style lang="scss" module>
+.root {
+	position: relative;
+}
+
+.items {
+	display: grid;
+	grid-template-columns: repeat(3, 1fr);
+	grid-template-rows: repeat(3, 1fr);
+	gap: 4px;
+	border-radius: 8px;
+	overflow: clip;
+}
+
+.item {
+	height: 32px;
+	background: var(--MI_THEME-panel);
+	border-radius: 4px;
+
+	&.active {
+		background: var(--MI_THEME-accentedBg);
+		color: var(--MI_THEME-accent);
+	}
+}
+</style>
diff --git a/packages/frontend/src/components/MkRange.vue b/packages/frontend/src/components/MkRange.vue
index f36e68b687..9a6a207c74 100644
--- a/packages/frontend/src/components/MkRange.vue
+++ b/packages/frontend/src/components/MkRange.vue
@@ -12,7 +12,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<slot name="prefix"></slot>
 		<div ref="containerEl" class="container">
 			<div class="track">
-				<div class="highlight" :style="{ width: (steppedRawValue * 100) + '%' }"></div>
+				<div class="highlight right" :style="{ width: ((steppedRawValue - minRatio) * 100) + '%', left: (Math.abs(Math.min(0, min)) / (max + Math.abs(Math.min(0, min)))) * 100 + '%' }">
+					<div class="shine right"></div>
+				</div>
+				<div class="highlight left" :style="{ width: ((minRatio - steppedRawValue) * 100) + '%', left: (steppedRawValue) * 100 + '%' }">
+					<div class="shine left"></div>
+				</div>
 			</div>
 			<div v-if="steps && showTicks" class="ticks">
 				<div v-for="i in (steps + 1)" class="tick" :style="{ left: (((i - 1) / steps) * 100) + '%' }"></div>
@@ -24,7 +29,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 				@mouseenter.passive="onMouseenter"
 				@mousedown="onMousedown"
 				@touchstart="onMousedown"
-			></div>
+			>
+				<div class="thumbInner"></div>
+			</div>
 		</div>
 		<slot name="suffix"></slot>
 	</div>
@@ -63,6 +70,9 @@ const emit = defineEmits<{
 const containerEl = useTemplateRef('containerEl');
 const thumbEl = useTemplateRef('thumbEl');
 
+const maxRatio = computed(() => Math.abs(props.max) / (props.max + Math.abs(Math.min(0, props.min))));
+const minRatio = computed(() => Math.abs(Math.min(0, props.min)) / (props.max + Math.abs(Math.min(0, props.min))));
+
 const rawValue = ref((props.modelValue - props.min) / (props.max - props.min));
 const steppedRawValue = computed(() => {
 	if (props.step) {
@@ -222,15 +232,17 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
 		}
 	}
 
-	$thumbHeight: 20px;
-	$thumbWidth: 20px;
+	$thumbHeight: 32px;
+	$thumbWidth: 32px;
+	$thumbInnerHeight: 19px;
+	$thumbInnerWidth: 19px;
 
 	> .body {
 		display: flex;
 		align-items: center;
 		justify-content: center;
 		gap: 8px;
-		padding: 7px 12px;
+		padding: 0px 4px;
 		background: var(--MI_THEME-panel);
 		border: solid 1px var(--MI_THEME-panel);
 		border-radius: 6px;
@@ -256,10 +268,30 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
 				> .highlight {
 					position: absolute;
 					top: 0;
-					left: 0;
 					height: 100%;
-					background: var(--MI_THEME-accent);
-					opacity: 0.5;
+					background: color(from var(--MI_THEME-buttonGradateA) srgb r g b / 0.5);
+					overflow: clip;
+
+					> .shine {
+						position: absolute;
+						top: 0;
+						width: 64px;
+						height: 100%;
+					}
+				}
+
+				> .highlight.right {
+					> .shine.right {
+						right: calc(#{$thumbInnerWidth} / 2);
+						background: linear-gradient(-90deg, var(--MI_THEME-buttonGradateB), color(from var(--MI_THEME-buttonGradateA) srgb r g b / 0));
+					}
+				}
+
+				> .highlight.left {
+					> .shine.left {
+						left: calc(#{$thumbInnerWidth} / 2);
+						background: linear-gradient(90deg, var(--MI_THEME-buttonGradateB), color(from var(--MI_THEME-buttonGradateA) srgb r g b / 0));
+					}
 				}
 			}
 
@@ -290,11 +322,25 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
 				width: $thumbWidth;
 				height: $thumbHeight;
 				cursor: grab;
-				background: var(--MI_THEME-accent);
-				border-radius: 999px;
 
 				&:hover {
-					background: hsl(from var(--MI_THEME-accent) h s calc(l + 10));
+					> .thumbInner {
+						background: hsl(from var(--MI_THEME-accent) h s calc(l + 10));
+					}
+				}
+
+				> .thumbInner {
+					position: absolute;
+					top: 0;
+					left: 0;
+					right: 0;
+					bottom: 0;
+					margin: auto;
+					width: $thumbInnerWidth;
+					height: $thumbInnerHeight;
+					background: var(--MI_THEME-accent);
+					border-radius: 999px;
+					pointer-events: none;
 				}
 			}
 		}
diff --git a/packages/frontend/src/components/MkUploaderDialog.vue b/packages/frontend/src/components/MkUploaderDialog.vue
index a0d25d08d3..b2e4896ed3 100644
--- a/packages/frontend/src/components/MkUploaderDialog.vue
+++ b/packages/frontend/src/components/MkUploaderDialog.vue
@@ -28,7 +28,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					v-for="ctx in items"
 					:key="ctx.id"
 					v-panel
-					:class="[$style.item, ctx.waiting ? $style.itemWaiting : null, ctx.uploaded ? $style.itemCompleted : null, ctx.uploadFailed ? $style.itemFailed : null]"
+					:class="[$style.item, ctx.preprocessing ? $style.itemWaiting : null, ctx.uploaded ? $style.itemCompleted : null, ctx.uploadFailed ? $style.itemFailed : null]"
 					:style="{ '--p': ctx.progress != null ? `${ctx.progress.value / ctx.progress.max * 100}%` : '0%' }"
 				>
 					<div :class="$style.itemInner">
@@ -40,8 +40,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<div><MkCondensedLine :minScale="2 / 3">{{ ctx.name }}</MkCondensedLine></div>
 							<div :class="$style.itemInfo">
 								<span>{{ ctx.file.type }}</span>
-								<span>{{ bytes(ctx.file.size) }}</span>
 								<span v-if="ctx.compressedSize">({{ i18n.tsx._uploader.compressedToX({ x: bytes(ctx.compressedSize) }) }} = {{ i18n.tsx._uploader.savedXPercent({ x: Math.round((1 - ctx.compressedSize / ctx.file.size) * 100) }) }})</span>
+								<span v-else>{{ bytes(ctx.file.size) }}</span>
 							</div>
 							<div>
 							</div>
@@ -59,19 +59,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkButton style="margin: auto;" :iconOnly="true" rounded @click="chooseFile($event)"><i class="ti ti-plus"></i></MkButton>
 			</div>
 
-			<MkSelect
-				v-if="items.length > 0"
-				v-model="compressionLevel"
-				:items="[
-					{ value: 0, label: i18n.ts.none },
-					{ value: 1, label: i18n.ts.low },
-					{ value: 2, label: i18n.ts.middle },
-					{ value: 3, label: i18n.ts.high },
-				]"
-			>
-				<template #label>{{ i18n.ts.compress }}</template>
-			</MkSelect>
-
 			<div>{{ i18n.tsx._uploader.maxFileSizeIsX({ x: $i.policies.maxFileSizeMb + 'MB' }) }}</div>
 
 			<!-- クライアントで検出するMIME typeとサーバーで検出するMIME typeが異なる場合があり、混乱の元になるのでとりあえず隠しとく -->
@@ -93,7 +80,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { computed, markRaw, onMounted, ref, useTemplateRef, watch } from 'vue';
+import { computed, defineAsyncComponent, markRaw, onMounted, onUnmounted, ref, triggerRef, useTemplateRef, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { genId } from '@/utility/id.js';
 import { readAndCompressImage } from '@misskey-dev/browser-image-resizer';
@@ -109,6 +96,7 @@ import { isWebpSupported } from '@/utility/isWebpSupported.js';
 import { uploadFile, UploadAbortedError } from '@/utility/drive.js';
 import * as os from '@/os.js';
 import { ensureSignin } from '@/i.js';
+import { WatermarkRenderer } from '@/utility/watermark.js';
 
 const $i = ensureSignin();
 
@@ -125,6 +113,14 @@ const CROPPING_SUPPORTED_TYPES = [
 	'image/webp',
 ];
 
+const IMAGE_EDITING_SUPPORTED_TYPES = [
+	'image/jpeg',
+	'image/png',
+	'image/webp',
+];
+
+const WATERMARK_SUPPORTED_TYPES = IMAGE_EDITING_SUPPORTED_TYPES;
+
 const mimeTypeMap = {
 	'image/webp': 'webp',
 	'image/jpeg': 'jpg',
@@ -148,16 +144,19 @@ const emit = defineEmits<{
 const items = ref<{
 	id: string;
 	name: string;
+	uploadName?: string;
 	progress: { max: number; value: number } | null;
 	thumbnail: string;
-	waiting: boolean;
+	preprocessing: boolean;
 	uploading: boolean;
 	uploaded: Misskey.entities.DriveFile | null;
 	uploadFailed: boolean;
 	aborted: boolean;
+	compressionLevel: number;
 	compressedSize?: number | null;
-	compressedImage?: Blob | null;
+	preprocessedFile?: Blob | null;
 	file: File;
+	watermarkPresetId: string | null;
 	abort?: (() => void) | null;
 }[]>([]);
 
@@ -165,7 +164,7 @@ const dialog = useTemplateRef('dialog');
 
 const firstUploadAttempted = ref(false);
 const isUploading = computed(() => items.value.some(item => item.uploading));
-const canRetry = computed(() => firstUploadAttempted.value && !items.value.some(item => item.uploading || item.waiting) && items.value.some(item => item.uploaded == null));
+const canRetry = computed(() => firstUploadAttempted.value && !items.value.some(item => item.uploading || item.preprocessing) && items.value.some(item => item.uploaded == null));
 const canDone = computed(() => items.value.some(item => item.uploaded != null));
 const overallProgress = computed(() => {
 	const max = items.value.length;
@@ -178,19 +177,18 @@ const overallProgress = computed(() => {
 	return Math.round((v / max) * 100);
 });
 
-const compressionLevel = ref<0 | 1 | 2 | 3>(2);
-const compressionSettings = computed(() => {
-	if (compressionLevel.value === 1) {
+function getCompressionSettings(level: 0 | 1 | 2 | 3) {
+	if (level === 1) {
 		return {
 			maxWidth: 2000,
 			maxHeight: 2000,
 		};
-	} else if (compressionLevel.value === 2) {
+	} else if (level === 2) {
 		return {
 			maxWidth: 2000 * 0.75, // =1500
 			maxHeight: 2000 * 0.75, // =1500
 		};
-	} else if (compressionLevel.value === 3) {
+	} else if (level === 3) {
 		return {
 			maxWidth: 2000 * 0.75 * 0.75, // =1125
 			maxHeight: 2000 * 0.75 * 0.75, // =1125
@@ -198,7 +196,7 @@ const compressionSettings = computed(() => {
 	} else {
 		return null;
 	}
-});
+}
 
 watch(items, () => {
 	if (items.value.length === 0) {
@@ -274,31 +272,151 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 		},
 	});
 
-	if (CROPPING_SUPPORTED_TYPES.includes(item.file.type) && !item.waiting && !item.uploading && !item.uploaded) {
+	if (CROPPING_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
 		menu.push({
 			icon: 'ti ti-crop',
 			text: i18n.ts.cropImage,
 			action: async () => {
 				const cropped = await os.cropImageFile(item.file, { aspectRatio: null });
-				items.value.splice(items.value.indexOf(item), 1, {
+				URL.revokeObjectURL(item.thumbnail);
+				const newItem = {
 					...item,
 					file: markRaw(cropped),
 					thumbnail: window.URL.createObjectURL(cropped),
+				};
+				items.value.splice(items.value.indexOf(item), 1, newItem);
+				preprocess(newItem).then(() => {
+					triggerRef(items);
+				});
+			},
+		});
+	}
+
+	if (IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+		menu.push({
+			icon: 'ti ti-sparkles',
+			text: i18n.ts._imageEffector.title + ' (BETA)',
+			action: async () => {
+				const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkImageEffectorDialog.vue').then(x => x.default), {
+					image: item.file,
+				}, {
+					ok: (file) => {
+						URL.revokeObjectURL(item.thumbnail);
+						const newItem = {
+							...item,
+							file: markRaw(file),
+							thumbnail: window.URL.createObjectURL(file),
+						};
+						items.value.splice(items.value.indexOf(item), 1, newItem);
+						preprocess(newItem).then(() => {
+							triggerRef(items);
+						});
+					},
+					closed: () => dispose(),
 				});
 			},
 		});
 	}
 
-	if (!item.waiting && !item.uploading && !item.uploaded) {
+	if (WATERMARK_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+		function changeWatermarkPreset(presetId: string | null) {
+			item.watermarkPresetId = presetId;
+			preprocess(item).then(() => {
+				triggerRef(items);
+			});
+		}
+
 		menu.push({
+			icon: 'ti ti-copyright',
+			text: i18n.ts.watermark,
+			type: 'parent',
+			children: [{
+				type: 'radioOption',
+				text: i18n.ts.none,
+				active: computed(() => item.watermarkPresetId == null),
+				action: () => changeWatermarkPreset(null),
+			}, {
+				type: 'divider',
+			}, ...prefer.s.watermarkPresets.map(preset => ({
+				type: 'radioOption',
+				text: preset.name,
+				active: computed(() => item.watermarkPresetId === preset.id),
+				action: () => changeWatermarkPreset(preset.id),
+			})), {
+				type: 'divider',
+			}, {
+				type: 'button',
+				icon: 'ti ti-plus',
+				text: i18n.ts.add,
+				action: async () => {
+					const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkWatermarkEditorDialog.vue').then(x => x.default), {
+						image: item.file,
+					}, {
+						ok: (preset) => {
+							prefer.commit('watermarkPresets', [...prefer.s.watermarkPresets, preset]);
+							changeWatermarkPreset(preset.id);
+						},
+						closed: () => dispose(),
+					});
+				},
+			}],
+		});
+	}
+
+	if (COMPRESSION_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+		function changeCompressionLevel(level: 0 | 1 | 2 | 3) {
+			item.compressionLevel = level;
+			preprocess(item).then(() => {
+				triggerRef(items);
+			});
+		}
+
+		menu.push({
+			icon: 'ti ti-leaf',
+			text: i18n.ts.compress,
+			type: 'parent',
+			children: [{
+				type: 'radioOption',
+				text: i18n.ts.none,
+				active: computed(() => item.compressionLevel === 0 || item.compressionLevel == null),
+				action: () => changeCompressionLevel(0),
+			}, {
+				type: 'divider',
+			}, {
+				type: 'radioOption',
+				text: i18n.ts.low,
+				active: computed(() => item.compressionLevel === 1),
+				action: () => changeCompressionLevel(1),
+			}, {
+				type: 'radioOption',
+				text: i18n.ts.medium,
+				active: computed(() => item.compressionLevel === 2),
+				action: () => changeCompressionLevel(2),
+			}, {
+				type: 'radioOption',
+				text: i18n.ts.high,
+				active: computed(() => item.compressionLevel === 3),
+				action: () => changeCompressionLevel(3),
+			},
+			],
+		});
+	}
+
+	if (!item.preprocessing && !item.uploading && !item.uploaded) {
+		menu.push({
+			type: 'divider',
+		}, {
 			icon: 'ti ti-x',
 			text: i18n.ts.remove,
 			action: () => {
+				URL.revokeObjectURL(item.thumbnail);
 				items.value.splice(items.value.indexOf(item), 1);
 			},
 		});
 	} else if (item.uploading) {
 		menu.push({
+			type: 'divider',
+		}, {
 			icon: 'ti ti-cloud-pause',
 			text: i18n.ts.abort,
 			danger: true,
@@ -320,7 +438,6 @@ async function upload() { // エラーハンドリングなどを考慮してシ
 		...item,
 		aborted: false,
 		uploadFailed: false,
-		waiting: false,
 		uploading: false,
 	}));
 
@@ -330,40 +447,13 @@ async function upload() { // エラーハンドリングなどを考慮してシ
 			continue;
 		}
 
-		item.waiting = true;
 		item.uploadFailed = false;
-
-		const shouldCompress = item.compressedImage == null && compressionLevel.value !== 0 && compressionSettings.value && COMPRESSION_SUPPORTED_TYPES.includes(item.file.type) && !(await isAnimated(item.file));
-
-		if (shouldCompress) {
-			const config = {
-				mimeType: isWebpSupported() ? 'image/webp' : 'image/jpeg',
-				maxWidth: compressionSettings.value.maxWidth,
-				maxHeight: compressionSettings.value.maxHeight,
-				quality: isWebpSupported() ? 0.85 : 0.8,
-			};
-
-			try {
-				const result = await readAndCompressImage(item.file, config);
-				if (result.size < item.file.size || item.file.type === 'image/webp') {
-					// The compression may not always reduce the file size
-					// (and WebP is not browser safe yet)
-					item.compressedImage = markRaw(result);
-					item.compressedSize = result.size;
-					item.name = item.file.type !== config.mimeType ? `${item.name}.${mimeTypeMap[config.mimeType]}` : item.name;
-				}
-			} catch (err) {
-				console.error('Failed to resize image', err);
-			}
-		}
-
 		item.uploading = true;
 
-		const { filePromise, abort } = uploadFile(item.compressedImage ?? item.file, {
-			name: item.name,
+		const { filePromise, abort } = uploadFile(item.preprocessedFile ?? item.file, {
+			name: item.uploadName ?? item.name,
 			folderId: props.folderId,
 			onProgress: (progress) => {
-				item.waiting = false;
 				if (item.progress == null) {
 					item.progress = { max: progress.total, value: progress.loaded };
 				} else {
@@ -377,7 +467,6 @@ async function upload() { // エラーハンドリングなどを考慮してシ
 			item.abort = null;
 			abort();
 			item.uploading = false;
-			item.waiting = false;
 			item.uploadFailed = true;
 		};
 
@@ -392,7 +481,6 @@ async function upload() { // エラーハンドリングなどを考慮してシ
 			}
 		}).finally(() => {
 			item.uploading = false;
-			item.waiting = false;
 		});
 	}
 }
@@ -419,21 +507,95 @@ async function chooseFile(ev: MouseEvent) {
 	}
 }
 
+async function preprocess(item: (typeof items)['value'][number]): Promise<void> {
+	item.preprocessing = true;
+
+	let file: Blob | File = item.file;
+	const imageBitmap = await window.createImageBitmap(file);
+
+	const needsWatermark = item.watermarkPresetId != null && WATERMARK_SUPPORTED_TYPES.includes(file.type);
+	const preset = prefer.s.watermarkPresets.find(p => p.id === item.watermarkPresetId);
+	if (needsWatermark && preset != null) {
+		const canvas = window.document.createElement('canvas');
+		const renderer = new WatermarkRenderer({
+			canvas: canvas,
+			renderWidth: imageBitmap.width,
+			renderHeight: imageBitmap.height,
+			image: imageBitmap,
+		});
+
+		await renderer.setLayers(preset.layers);
+
+		renderer.render();
+
+		file = await new Promise<Blob>((resolve) => {
+			canvas.toBlob((blob) => {
+				if (blob == null) {
+					throw new Error('Failed to convert canvas to blob');
+				}
+				resolve(blob);
+				renderer.destroy();
+			}, 'image/png');
+		});
+	}
+
+	const compressionSettings = getCompressionSettings(item.compressionLevel);
+	const needsCompress = item.compressionLevel !== 0 && compressionSettings && COMPRESSION_SUPPORTED_TYPES.includes(file.type) && !(await isAnimated(file));
+
+	if (needsCompress) {
+		const config = {
+			mimeType: isWebpSupported() ? 'image/webp' : 'image/jpeg',
+			maxWidth: compressionSettings.maxWidth,
+			maxHeight: compressionSettings.maxHeight,
+			quality: isWebpSupported() ? 0.85 : 0.8,
+		};
+
+		try {
+			const result = await readAndCompressImage(file, config);
+			if (result.size < file.size || file.type === 'image/webp') {
+				// The compression may not always reduce the file size
+				// (and WebP is not browser safe yet)
+				file = result;
+				item.compressedSize = result.size;
+				item.uploadName = file.type !== config.mimeType ? `${item.name}.${mimeTypeMap[config.mimeType]}` : item.name;
+			}
+		} catch (err) {
+			console.error('Failed to resize image', err);
+		}
+	} else {
+		item.compressedSize = null;
+		item.uploadName = item.name;
+	}
+
+	URL.revokeObjectURL(item.thumbnail);
+	item.thumbnail = window.URL.createObjectURL(file);
+	item.preprocessedFile = markRaw(file);
+	item.preprocessing = false;
+
+	imageBitmap.close();
+}
+
 function initializeFile(file: File) {
 	const id = genId();
 	const filename = file.name ?? 'untitled';
 	const extension = filename.split('.').length > 1 ? '.' + filename.split('.').pop() : '';
-	items.value.push({
+	const item = {
 		id,
 		name: prefer.s.keepOriginalFilename ? filename : id + extension,
 		progress: null,
 		thumbnail: window.URL.createObjectURL(file),
-		waiting: false,
+		preprocessing: false,
 		uploading: false,
 		aborted: false,
 		uploaded: null,
 		uploadFailed: false,
+		compressionLevel: prefer.s.defaultImageCompressionLevel,
+		watermarkPresetId: prefer.s.defaultWatermarkPresetId,
 		file: markRaw(file),
+	};
+	items.value.push(item);
+	preprocess(item).then(() => {
+		triggerRef(items);
 	});
 }
 
@@ -442,6 +604,12 @@ onMounted(() => {
 		initializeFile(file);
 	}
 });
+
+onUnmounted(() => {
+	for (const item of items.value) {
+		URL.revokeObjectURL(item.thumbnail);
+	}
+});
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue b/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
new file mode 100644
index 0000000000..10de04c16a
--- /dev/null
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
@@ -0,0 +1,318 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="$style.root" class="_gaps">
+	<template v-if="layer.type === 'text'">
+		<MkInput v-model="layer.text">
+			<template #label>{{ i18n.ts._watermarkEditor.text }}</template>
+		</MkInput>
+
+		<FormSlot>
+			<template #label>{{ i18n.ts._watermarkEditor.position }}</template>
+			<MkPositionSelector
+				v-model:x="layer.align.x"
+				v-model:y="layer.align.y"
+			></MkPositionSelector>
+		</FormSlot>
+
+		<MkRange
+			v-model="layer.scale"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.scale }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.angle"
+			:min="-1"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.angle }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.opacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.opacity }}</template>
+		</MkRange>
+
+		<MkSwitch v-model="layer.repeat">
+			<template #label>{{ i18n.ts._watermarkEditor.repeat }}</template>
+		</MkSwitch>
+	</template>
+
+	<template v-else-if="layer.type === 'image'">
+		<MkButton inline rounded primary @click="chooseFile">{{ i18n.ts.selectFile }}</MkButton>
+
+		<FormSlot>
+			<template #label>{{ i18n.ts._watermarkEditor.position }}</template>
+			<MkPositionSelector
+				v-model:x="layer.align.x"
+				v-model:y="layer.align.y"
+			></MkPositionSelector>
+		</FormSlot>
+
+		<MkRange
+			v-model="layer.scale"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.scale }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.angle"
+			:min="-1"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.angle }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.opacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.opacity }}</template>
+		</MkRange>
+
+		<MkSwitch v-model="layer.repeat">
+			<template #label>{{ i18n.ts._watermarkEditor.repeat }}</template>
+		</MkSwitch>
+
+		<MkSwitch v-model="layer.cover">
+			<template #label>{{ i18n.ts._watermarkEditor.cover }}</template>
+		</MkSwitch>
+	</template>
+
+	<template v-else-if="layer.type === 'stripe'">
+		<MkRange
+			v-model="layer.frequency"
+			:min="1"
+			:max="30"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.stripeFrequency }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.threshold"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.stripeWidth }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.angle"
+			:min="-1"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.angle }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.opacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.opacity }}</template>
+		</MkRange>
+	</template>
+
+	<template v-else-if="layer.type === 'polkadot'">
+		<MkRange
+			v-model="layer.angle"
+			:min="-1"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.angle }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.scale"
+			:min="0"
+			:max="10"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.scale }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.majorRadius"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.polkadotMainDotRadius }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.majorOpacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.polkadotMainDotOpacity }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.minorDivisions"
+			:min="0"
+			:max="16"
+			:step="1"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.polkadotSubDotDivisions }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.minorRadius"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.polkadotSubDotRadius }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.minorOpacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.polkadotSubDotOpacity }}</template>
+		</MkRange>
+	</template>
+
+	<template v-else-if="layer.type === 'checker'">
+		<MkRange
+			v-model="layer.angle"
+			:min="-1"
+			:max="1"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.angle }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.scale"
+			:min="0"
+			:max="10"
+			:step="0.01"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.scale }}</template>
+		</MkRange>
+
+		<MkRange
+			v-model="layer.opacity"
+			:min="0"
+			:max="1"
+			:step="0.01"
+			:textConverter="(v) => (v * 100).toFixed(1) + '%'"
+			continuousUpdate
+		>
+			<template #label>{{ i18n.ts._watermarkEditor.opacity }}</template>
+		</MkRange>
+	</template>
+</div>
+</template>
+
+<script setup lang="ts">
+import { ref, useTemplateRef, watch, onMounted, onUnmounted } from 'vue';
+import type { WatermarkPreset } from '@/utility/watermark.js';
+import { i18n } from '@/i18n.js';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkInput from '@/components/MkInput.vue';
+import MkSwitch from '@/components/MkSwitch.vue';
+import MkRange from '@/components/MkRange.vue';
+import FormSlot from '@/components/form/slot.vue';
+import MkPositionSelector from '@/components/MkPositionSelector.vue';
+import * as os from '@/os.js';
+import { selectFile } from '@/utility/drive.js';
+import { misskeyApi } from '@/utility/misskey-api.js';
+import { prefer } from '@/preferences.js';
+
+const layer = defineModel<WatermarkPreset['layers'][number]>('layer', { required: true });
+
+const driveFile = ref();
+const driveFileError = ref(false);
+onMounted(async () => {
+	if (layer.value.type === 'image' && layer.value.imageId != null) {
+		await misskeyApi('drive/files/show', {
+			fileId: layer.value.imageId,
+		}).then((res) => {
+			driveFile.value = res;
+		}).catch((err) => {
+			driveFileError.value = true;
+		});
+	}
+});
+
+function chooseFile(ev: MouseEvent) {
+	selectFile(ev.currentTarget ?? ev.target, i18n.ts.selectFile).then((file) => {
+		if (!file.type.startsWith('image')) {
+			os.alert({
+				type: 'warning',
+				title: i18n.ts._watermarkEditor.driveFileTypeWarn,
+				text: i18n.ts._watermarkEditor.driveFileTypeWarnDescription,
+			});
+			return;
+		}
+
+		layer.value.imageId = file.id;
+		layer.value.imageUrl = file.url;
+		driveFileError.value = false;
+	});
+}
+</script>
+
+<style module>
+.root {
+
+}
+</style>
diff --git a/packages/frontend/src/components/MkWatermarkEditorDialog.vue b/packages/frontend/src/components/MkWatermarkEditorDialog.vue
new file mode 100644
index 0000000000..4cfb4a72bc
--- /dev/null
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.vue
@@ -0,0 +1,455 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialog"
+	:width="1000"
+	:height="600"
+	:scroll="false"
+	:withOkButton="true"
+	@close="cancel()"
+	@ok="save()"
+	@closed="emit('closed')"
+>
+	<template #header><i class="ti ti-copyright"></i> {{ i18n.ts._watermarkEditor.title }}</template>
+
+	<div :class="$style.root">
+		<div :class="$style.container">
+			<div :class="$style.preview">
+				<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
+				<div :class="$style.previewContainer">
+					<div class="_acrylic" :class="$style.previewTitle">{{ i18n.ts.preview }}</div>
+					<div v-if="props.image == null" class="_acrylic" :class="$style.previewControls">
+						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '3_2' ? $style.active : null]" @click="sampleImageType = '3_2'"><i class="ti ti-crop-landscape"></i></button>
+						<button class="_button" :class="[$style.previewControlsButton, sampleImageType === '2_3' ? $style.active : null]" @click="sampleImageType = '2_3'"><i class="ti ti-crop-portrait"></i></button>
+					</div>
+				</div>
+			</div>
+			<div :class="$style.controls">
+				<div class="_spacer _gaps">
+					<MkSelect v-model="type" :items="[{ label: i18n.ts._watermarkEditor.text, value: 'text' }, { label: i18n.ts._watermarkEditor.image, value: 'image' }, { label: i18n.ts._watermarkEditor.advanced, value: 'advanced' }]">
+						<template #label>{{ i18n.ts._watermarkEditor.type }}</template>
+					</MkSelect>
+
+					<div v-if="type === 'text' || type === 'image'">
+						<XLayer
+							v-for="(layer, i) in preset.layers"
+							:key="layer.id"
+							v-model:layer="preset.layers[i]"
+						></XLayer>
+					</div>
+					<div v-else-if="type === 'advanced'" class="_gaps_s">
+						<MkFolder v-for="(layer, i) in preset.layers" :key="layer.id" :defaultOpen="false" :canPage="false">
+							<template #label>
+								<div v-if="layer.type === 'text'">{{ i18n.ts._watermarkEditor.text }}</div>
+								<div v-if="layer.type === 'image'">{{ i18n.ts._watermarkEditor.image }}</div>
+								<div v-if="layer.type === 'stripe'">{{ i18n.ts._watermarkEditor.stripe }}</div>
+								<div v-if="layer.type === 'polkadot'">{{ i18n.ts._watermarkEditor.polkadot }}</div>
+								<div v-if="layer.type === 'checker'">{{ i18n.ts._watermarkEditor.checker }}</div>
+							</template>
+							<template #footer>
+								<div class="_buttons">
+									<MkButton iconOnly @click="removeLayer(layer)"><i class="ti ti-trash"></i></MkButton>
+									<MkButton iconOnly @click="swapUpLayer(layer)"><i class="ti ti-arrow-up"></i></MkButton>
+									<MkButton iconOnly @click="swapDownLayer(layer)"><i class="ti ti-arrow-down"></i></MkButton>
+								</div>
+							</template>
+
+							<XLayer
+								v-model:layer="preset.layers[i]"
+							></XLayer>
+						</MkFolder>
+
+						<MkButton rounded primary style="margin: 0 auto;" @click="addLayer"><i class="ti ti-plus"></i></MkButton>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
+</MkModalWindow>
+</template>
+
+<script setup lang="ts">
+import { ref, useTemplateRef, watch, onMounted, onUnmounted, reactive, nextTick } from 'vue';
+import type { WatermarkPreset } from '@/utility/watermark.js';
+import { WatermarkRenderer } from '@/utility/watermark.js';
+import { i18n } from '@/i18n.js';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import MkFolder from '@/components/MkFolder.vue';
+import XLayer from '@/components/MkWatermarkEditorDialog.Layer.vue';
+import * as os from '@/os.js';
+import { deepClone } from '@/utility/clone.js';
+import { ensureSignin } from '@/i.js';
+import { genId } from '@/utility/id.js';
+
+const $i = ensureSignin();
+
+function createTextLayer(): WatermarkPreset['layers'][number] {
+	return {
+		id: genId(),
+		type: 'text',
+		text: `(c) @${$i.username}`,
+		align: { x: 'right', y: 'bottom' },
+		scale: 0.3,
+		angle: 0,
+		opacity: 0.75,
+		repeat: false,
+	};
+}
+
+function createImageLayer(): WatermarkPreset['layers'][number] {
+	return {
+		id: genId(),
+		type: 'image',
+		imageId: null,
+		imageUrl: null,
+		align: { x: 'right', y: 'bottom' },
+		scale: 0.3,
+		angle: 0,
+		opacity: 0.75,
+		repeat: false,
+		cover: false,
+	};
+}
+
+function createStripeLayer(): WatermarkPreset['layers'][number] {
+	return {
+		id: genId(),
+		type: 'stripe',
+		angle: 0.5,
+		frequency: 10,
+		threshold: 0.1,
+		black: false,
+		opacity: 0.75,
+	};
+}
+
+function createPolkadotLayer(): WatermarkPreset['layers'][number] {
+	return {
+		id: genId(),
+		type: 'polkadot',
+		angle: 0.5,
+		scale: 3,
+		majorRadius: 0.1,
+		minorRadius: 0.25,
+		majorOpacity: 0.75,
+		minorOpacity: 0.5,
+		minorDivisions: 4,
+		black: false,
+		opacity: 0.75,
+	};
+}
+
+function createCheckerLayer(): WatermarkPreset['layers'][number] {
+	return {
+		id: genId(),
+		type: 'checker',
+		angle: 0.5,
+		scale: 3,
+		black: false,
+		opacity: 0.75,
+	};
+}
+
+const props = defineProps<{
+	preset?: WatermarkPreset | null;
+	image?: File | null;
+}>();
+
+const preset = reactive<WatermarkPreset>(deepClone(props.preset) ?? {
+	id: genId(),
+	name: '',
+	layers: [createTextLayer()],
+});
+
+const emit = defineEmits<{
+	(ev: 'ok', preset: WatermarkPreset): void;
+	(ev: 'cancel'): void;
+	(ev: 'closed'): void;
+}>();
+
+const dialog = useTemplateRef('dialog');
+
+async function cancel() {
+	const { canceled } = await os.confirm({
+		text: i18n.ts._watermarkEditor.quitWithoutSaveConfirm,
+	});
+	if (canceled) return;
+
+	emit('cancel');
+	dialog.value?.close();
+}
+
+const type = ref(preset.layers.length > 1 ? 'advanced' : preset.layers[0].type);
+watch(type, () => {
+	if (type.value === 'text') {
+		preset.layers = [createTextLayer()];
+	} else if (type.value === 'image') {
+		preset.layers = [createImageLayer()];
+	} else if (type.value === 'advanced') {
+		// nop
+	}
+});
+
+watch(preset, async (newValue, oldValue) => {
+	if (renderer != null) {
+		renderer.setLayers(preset.layers);
+	}
+}, { deep: true });
+
+const canvasEl = useTemplateRef('canvasEl');
+
+const sampleImage_3_2 = new Image();
+sampleImage_3_2.src = '/client-assets/sample/3-2.jpg';
+const sampleImage_3_2_loading = new Promise<void>(resolve => {
+	sampleImage_3_2.onload = () => resolve();
+});
+
+const sampleImage_2_3 = new Image();
+sampleImage_2_3.src = '/client-assets/sample/2-3.jpg';
+const sampleImage_2_3_loading = new Promise<void>(resolve => {
+	sampleImage_2_3.onload = () => resolve();
+});
+
+const sampleImageType = ref(props.image != null ? 'provided' : '3_2');
+watch(sampleImageType, async () => {
+	if (renderer != null) {
+		renderer.destroy(false);
+		renderer = null;
+		initRenderer();
+	}
+});
+
+let renderer: WatermarkRenderer | null = null;
+let imageBitmap: ImageBitmap | null = null;
+
+async function initRenderer() {
+	if (canvasEl.value == null) return;
+
+	if (sampleImageType.value === '3_2') {
+		renderer = new WatermarkRenderer({
+			canvas: canvasEl.value,
+			renderWidth: 1500,
+			renderHeight: 1000,
+			image: sampleImage_3_2,
+		});
+	} else if (sampleImageType.value === '2_3') {
+		renderer = new WatermarkRenderer({
+			canvas: canvasEl.value,
+			renderWidth: 1000,
+			renderHeight: 1500,
+			image: sampleImage_2_3,
+		});
+	} else if (props.image != null) {
+		imageBitmap = await window.createImageBitmap(props.image);
+
+		const MAX_W = 1000;
+		const MAX_H = 1000;
+		let w = imageBitmap.width;
+		let h = imageBitmap.height;
+
+		if (w > MAX_W || h > MAX_H) {
+			const scale = Math.min(MAX_W / w, MAX_H / h);
+			w *= scale;
+			h *= scale;
+		}
+
+		renderer = new WatermarkRenderer({
+			canvas: canvasEl.value,
+			renderWidth: w,
+			renderHeight: h,
+			image: imageBitmap,
+		});
+	}
+
+	await renderer!.setLayers(preset.layers);
+
+	renderer!.render();
+}
+
+onMounted(async () => {
+	const closeWaiting = os.waiting();
+
+	await nextTick(); // waitingがレンダリングされるまで待つ
+
+	await sampleImage_3_2_loading;
+	await sampleImage_2_3_loading;
+
+	await initRenderer();
+
+	closeWaiting();
+});
+
+onUnmounted(() => {
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+	if (imageBitmap != null) {
+		imageBitmap.close();
+		imageBitmap = null;
+	}
+});
+
+async function save() {
+	const { canceled, result: name } = await os.inputText({
+		title: i18n.ts.name,
+		default: preset.name,
+	});
+	if (canceled) return;
+
+	preset.name = name || '';
+
+	dialog.value?.close();
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+
+	emit('ok', preset);
+}
+
+function addLayer(ev: MouseEvent) {
+	os.popupMenu([{
+		text: i18n.ts._watermarkEditor.text,
+		action: () => {
+			preset.layers.push(createTextLayer());
+		},
+	}, {
+		text: i18n.ts._watermarkEditor.image,
+		action: () => {
+			preset.layers.push(createImageLayer());
+		},
+	}, {
+		text: i18n.ts._watermarkEditor.stripe,
+		action: () => {
+			preset.layers.push(createStripeLayer());
+		},
+	}, {
+		text: i18n.ts._watermarkEditor.polkadot,
+		action: () => {
+			preset.layers.push(createPolkadotLayer());
+		},
+	}, {
+		text: i18n.ts._watermarkEditor.checker,
+		action: () => {
+			preset.layers.push(createCheckerLayer());
+		},
+	}], ev.currentTarget ?? ev.target);
+}
+
+function swapUpLayer(layer: WatermarkPreset['layers'][number]) {
+	const index = preset.layers.findIndex(l => l.id === layer.id);
+	if (index > 0) {
+		const tmp = preset.layers[index - 1];
+		preset.layers[index - 1] = preset.layers[index];
+		preset.layers[index] = tmp;
+	}
+}
+
+function swapDownLayer(layer: WatermarkPreset['layers'][number]) {
+	const index = preset.layers.findIndex(l => l.id === layer.id);
+	if (index < preset.layers.length - 1) {
+		const tmp = preset.layers[index + 1];
+		preset.layers[index + 1] = preset.layers[index];
+		preset.layers[index] = tmp;
+	}
+}
+
+function removeLayer(layer: WatermarkPreset['layers'][number]) {
+	preset.layers = preset.layers.filter(l => l.id !== layer.id);
+}
+</script>
+
+<style module>
+.root {
+	container-type: inline-size;
+	height: 100%;
+}
+
+.container {
+	height: 100%;
+	display: grid;
+	grid-template-columns: 1fr 400px;
+}
+
+.preview {
+	position: relative;
+	background-color: var(--MI_THEME-bg);
+	background-size: auto auto;
+	background-image: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--MI_THEME-panel) 6px, var(--MI_THEME-panel) 12px);
+}
+
+.previewContainer {
+	display: flex;
+	flex-direction: column;
+	height: 100%;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewTitle {
+	position: absolute;
+	z-index: 100;
+	top: 8px;
+	left: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+	font-size: 85%;
+}
+
+.previewControls {
+	position: absolute;
+	z-index: 100;
+	bottom: 8px;
+	right: 8px;
+	display: flex;
+	align-items: center;
+	gap: 8px;
+	padding: 6px 10px;
+	border-radius: 6px;
+}
+
+.previewControlsButton {
+	&.active {
+		color: var(--MI_THEME-accent);
+	}
+}
+
+.previewSpinner {
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+	pointer-events: none;
+	user-select: none;
+	-webkit-user-drag: none;
+}
+
+.previewCanvas {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	padding: 20px;
+	box-sizing: border-box;
+	object-fit: contain;
+}
+
+.controls {
+	overflow-y: scroll;
+}
+
+@container (max-width: 800px) {
+	.container {
+		grid-template-columns: 1fr;
+		grid-template-rows: 1fr 1fr;
+	}
+}
+</style>
diff --git a/packages/frontend/src/pages/settings/drive.WatermarkItem.vue b/packages/frontend/src/pages/settings/drive.WatermarkItem.vue
new file mode 100644
index 0000000000..b466f35fc5
--- /dev/null
+++ b/packages/frontend/src/pages/settings/drive.WatermarkItem.vue
@@ -0,0 +1,112 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkFolder :defaultOpen="false" :canPage="false">
+	<template #icon><i class="ti ti-pencil"></i></template>
+	<template #label>{{ i18n.ts.preset }}: {{ preset.name === '' ? '(' + i18n.ts.noName + ')' : preset.name }}</template>
+	<template #footer>
+		<div class="_buttons">
+			<MkButton @click="edit"><i class="ti ti-pencil"></i> {{ i18n.ts.edit }}</MkButton>
+			<MkButton danger iconOnly style="margin-left: auto;" @click="del"><i class="ti ti-trash"></i></MkButton>
+		</div>
+	</template>
+
+	<div>
+		<canvas ref="canvasEl" :class="$style.previewCanvas"></canvas>
+	</div>
+</MkFolder>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent, onMounted, onUnmounted, ref, useTemplateRef, watch } from 'vue';
+import type { WatermarkPreset } from '@/utility/watermark.js';
+import { WatermarkRenderer } from '@/utility/watermark.js';
+import MkButton from '@/components/MkButton.vue';
+import * as os from '@/os.js';
+import { i18n } from '@/i18n.js';
+import { deepClone } from '@/utility/clone.js';
+import MkFolder from '@/components/MkFolder.vue';
+
+const props = defineProps<{
+	preset: WatermarkPreset;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'updatePreset', preset: WatermarkPreset): void,
+	(ev: 'del'): void,
+}>();
+
+async function edit() {
+	const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkWatermarkEditorDialog.vue')), {
+		preset: deepClone(props.preset),
+	}, {
+		ok: (preset: WatermarkPreset) => {
+			emit('updatePreset', preset);
+		},
+		closed: () => dispose(),
+	});
+}
+
+function del(ev: MouseEvent) {
+	os.popupMenu([{
+		text: i18n.ts.delete,
+		action: () => {
+			emit('del');
+		},
+	}], ev.currentTarget ?? ev.target);
+}
+
+const canvasEl = useTemplateRef('canvasEl');
+
+const sampleImage = new Image();
+sampleImage.src = '/client-assets/sample/3-2.jpg';
+
+let renderer: WatermarkRenderer | null = null;
+
+onMounted(() => {
+	sampleImage.onload = async () => {
+		watch(canvasEl, async () => {
+			if (canvasEl.value == null) return;
+
+			renderer = new WatermarkRenderer({
+				canvas: canvasEl.value,
+				renderWidth: 1500,
+				renderHeight: 1000,
+				image: sampleImage,
+			});
+
+			await renderer.setLayers(props.preset.layers);
+
+			renderer.render();
+		}, { immediate: true });
+	};
+});
+
+onUnmounted(() => {
+	if (renderer != null) {
+		renderer.destroy();
+		renderer = null;
+	}
+});
+
+watch(() => props.preset, async () => {
+	if (renderer != null) {
+		await renderer.setLayers(props.preset.layers);
+		renderer.render();
+	}
+}, { deep: true });
+</script>
+
+<style lang="scss" module>
+.previewCanvas {
+	display: block;
+	width: 100%;
+	height: 100%;
+	max-height: 200px;
+	box-sizing: border-box;
+	object-fit: contain;
+}
+</style>
diff --git a/packages/frontend/src/pages/settings/drive.vue b/packages/frontend/src/pages/settings/drive.vue
index d62e487341..0614b1242b 100644
--- a/packages/frontend/src/pages/settings/drive.vue
+++ b/packages/frontend/src/pages/settings/drive.vue
@@ -39,53 +39,122 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</FormSection>
 		</SearchMarker>
 
-		<FormSection>
-			<div class="_gaps_m">
-				<SearchMarker :keywords="['default', 'upload', 'folder']">
-					<FormLink @click="chooseUploadFolder()">
-						<SearchLabel>{{ i18n.ts.uploadFolder }}</SearchLabel>
-						<template #suffix>{{ uploadFolder ? uploadFolder.name : '-' }}</template>
-						<template #suffixIcon><i class="ti ti-folder"></i></template>
+		<SearchMarker :keywords="['general']">
+			<FormSection>
+				<template #label><SearchLabel>{{ i18n.ts.general }}</SearchLabel></template>
+
+				<div class="_gaps_m">
+					<SearchMarker :keywords="['default', 'upload', 'folder']">
+						<FormLink @click="chooseUploadFolder()">
+							<SearchLabel>{{ i18n.ts.uploadFolder }}</SearchLabel>
+							<template #suffix>{{ uploadFolder ? uploadFolder.name : '-' }}</template>
+							<template #suffixIcon><i class="ti ti-folder"></i></template>
+						</FormLink>
+					</SearchMarker>
+
+					<FormLink to="/settings/drive/cleaner">
+						{{ i18n.ts.drivecleaner }}
 					</FormLink>
-				</SearchMarker>
 
-				<FormLink to="/settings/drive/cleaner">
-					{{ i18n.ts.drivecleaner }}
-				</FormLink>
+					<SearchMarker :keywords="['keep', 'original', 'filename']">
+						<MkPreferenceContainer k="keepOriginalFilename">
+							<MkSwitch v-model="keepOriginalFilename">
+								<template #label><SearchLabel>{{ i18n.ts.keepOriginalFilename }}</SearchLabel></template>
+								<template #caption><SearchKeyword>{{ i18n.ts.keepOriginalFilenameDescription }}</SearchKeyword></template>
+							</MkSwitch>
+						</MkPreferenceContainer>
+					</SearchMarker>
+
+					<SearchMarker :keywords="['always', 'default', 'mark', 'nsfw', 'sensitive', 'media', 'file']">
+						<MkSwitch v-model="alwaysMarkNsfw" @update:modelValue="saveProfile()">
+							<template #label><SearchLabel>{{ i18n.ts.alwaysMarkSensitive }}</SearchLabel></template>
+						</MkSwitch>
+					</SearchMarker>
 
-				<SearchMarker :keywords="['keep', 'original', 'filename']">
-					<MkPreferenceContainer k="keepOriginalFilename">
-						<MkSwitch v-model="keepOriginalFilename">
-							<template #label><SearchLabel>{{ i18n.ts.keepOriginalFilename }}</SearchLabel></template>
-							<template #caption><SearchKeyword>{{ i18n.ts.keepOriginalFilenameDescription }}</SearchKeyword></template>
+					<SearchMarker :keywords="['auto', 'nsfw', 'sensitive', 'media', 'file']">
+						<MkSwitch v-model="autoSensitive" @update:modelValue="saveProfile()">
+							<template #label><SearchLabel>{{ i18n.ts.enableAutoSensitive }}</SearchLabel><span class="_beta">{{ i18n.ts.beta }}</span></template>
+							<template #caption><SearchKeyword>{{ i18n.ts.enableAutoSensitiveDescription }}</SearchKeyword></template>
 						</MkSwitch>
-					</MkPreferenceContainer>
-				</SearchMarker>
-
-				<SearchMarker :keywords="['always', 'default', 'mark', 'nsfw', 'sensitive', 'media', 'file']">
-					<MkSwitch v-model="alwaysMarkNsfw" @update:modelValue="saveProfile()">
-						<template #label><SearchLabel>{{ i18n.ts.alwaysMarkSensitive }}</SearchLabel></template>
-					</MkSwitch>
-				</SearchMarker>
-
-				<SearchMarker :keywords="['auto', 'nsfw', 'sensitive', 'media', 'file']">
-					<MkSwitch v-model="autoSensitive" @update:modelValue="saveProfile()">
-						<template #label><SearchLabel>{{ i18n.ts.enableAutoSensitive }}</SearchLabel><span class="_beta">{{ i18n.ts.beta }}</span></template>
-						<template #caption><SearchKeyword>{{ i18n.ts.enableAutoSensitiveDescription }}</SearchKeyword></template>
-					</MkSwitch>
-				</SearchMarker>
-			</div>
-		</FormSection>
+					</SearchMarker>
+				</div>
+			</FormSection>
+		</SearchMarker>
+
+		<SearchMarker :keywords="['image']">
+			<FormSection>
+				<template #label><SearchLabel>{{ i18n.ts.image }}</SearchLabel></template>
+
+				<div class="_gaps_m">
+					<SearchMarker :keywords="['watermark', 'credit']">
+						<MkFolder>
+							<template #icon><i class="ti ti-copyright"></i></template>
+							<template #label><SearchLabel>{{ i18n.ts.watermark }}</SearchLabel></template>
+							<template #caption>{{ i18n.ts._watermarkEditor.tip }}</template>
+
+							<div class="_gaps">
+								<div class="_gaps_s">
+									<XWatermarkItem
+										v-for="(preset, i) in prefer.r.watermarkPresets.value"
+										:key="preset.id"
+										:preset="preset"
+										@updatePreset="onUpdateWatermarkPreset(preset.id, $event)"
+										@del="onDeleteWatermarkPreset(preset.id)"
+									/>
+
+									<MkButton iconOnly rounded style="margin: 0 auto;" @click="addWatermarkPreset"><i class="ti ti-plus"></i></MkButton>
+
+									<SearchMarker :keywords="['sync', 'watermark', 'preset', 'devices']">
+										<MkSwitch :modelValue="watermarkPresetsSyncEnabled" @update:modelValue="changeWatermarkPresetsSyncEnabled">
+											<template #label><i class="ti ti-cloud-cog"></i> <SearchLabel>{{ i18n.ts.syncBetweenDevices }}</SearchLabel></template>
+										</MkSwitch>
+									</SearchMarker>
+								</div>
+
+								<hr>
+
+								<SearchMarker :keywords="['default', 'watermark', 'preset']">
+									<MkPreferenceContainer k="defaultWatermarkPresetId">
+										<MkSelect v-model="defaultWatermarkPresetId" :items="[{ label: i18n.ts.none, value: null }, ...prefer.r.watermarkPresets.value.map(p => ({ label: p.name || i18n.ts.noName, value: p.id }))]">
+											<template #label><SearchLabel>{{ i18n.ts.defaultPreset }}</SearchLabel></template>
+										</MkSelect>
+									</MkPreferenceContainer>
+								</SearchMarker>
+							</div>
+						</MkFolder>
+					</SearchMarker>
+
+					<SearchMarker :keywords="['default', 'image', 'compression']">
+						<MkPreferenceContainer k="defaultImageCompressionLevel">
+							<MkSelect
+								v-model="defaultImageCompressionLevel" :items="[
+									{ label: i18n.ts.none, value: 0 },
+									{ label: i18n.ts.low, value: 1 },
+									{ label: i18n.ts.medium, value: 2 },
+									{ label: i18n.ts.high, value: 3 },
+								]"
+							>
+								<template #label><SearchLabel>{{ i18n.ts.defaultImageCompressionLevel }}</SearchLabel></template>
+								<template #caption><div v-html="i18n.ts.defaultImageCompressionLevel_description"></div></template>
+							</MkSelect>
+						</MkPreferenceContainer>
+					</SearchMarker>
+				</div>
+			</FormSection>
+		</SearchMarker>
 	</div>
 </SearchMarker>
 </template>
 
 <script lang="ts" setup>
-import { computed, ref } from 'vue';
+import { computed, defineAsyncComponent, ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import tinycolor from 'tinycolor2';
+import XWatermarkItem from './drive.WatermarkItem.vue';
+import type { WatermarkPreset } from '@/utility/watermark.js';
 import FormLink from '@/components/form/link.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
+import MkSelect from '@/components/MkSelect.vue';
 import FormSection from '@/components/form/section.vue';
 import MkKeyValue from '@/components/MkKeyValue.vue';
 import FormSplit from '@/components/form/split.vue';
@@ -100,6 +169,8 @@ import { prefer } from '@/preferences.js';
 import MkPreferenceContainer from '@/components/MkPreferenceContainer.vue';
 import MkFeatureBanner from '@/components/MkFeatureBanner.vue';
 import { selectDriveFolder } from '@/utility/drive.js';
+import MkFolder from '@/components/MkFolder.vue';
+import MkButton from '@/components/MkButton.vue';
 
 const $i = ensureSignin();
 
@@ -123,6 +194,22 @@ const meterStyle = computed(() => {
 });
 
 const keepOriginalFilename = prefer.model('keepOriginalFilename');
+const defaultWatermarkPresetId = prefer.model('defaultWatermarkPresetId');
+const defaultImageCompressionLevel = prefer.model('defaultImageCompressionLevel');
+
+const watermarkPresetsSyncEnabled = ref(prefer.isSyncEnabled('watermarkPresets'));
+
+function changeWatermarkPresetsSyncEnabled(value: boolean) {
+	if (value) {
+		prefer.enableSync('watermarkPresets').then((res) => {
+			if (res == null) return;
+			if (res.enabled) watermarkPresetsSyncEnabled.value = true;
+		});
+	} else {
+		prefer.disableSync('watermarkPresets');
+		watermarkPresetsSyncEnabled.value = false;
+	}
+}
 
 misskeyApi('drive').then(info => {
 	capacity.value = info.capacity;
@@ -152,6 +239,41 @@ function chooseUploadFolder() {
 	});
 }
 
+async function addWatermarkPreset() {
+	const { dispose } = await os.popupAsyncWithDialog(import('@/components/MkWatermarkEditorDialog.vue').then(x => x.default), {
+	}, {
+		ok: (preset: WatermarkPreset) => {
+			prefer.commit('watermarkPresets', [...prefer.s.watermarkPresets, preset]);
+		},
+		closed: () => dispose(),
+	});
+}
+
+function onUpdateWatermarkPreset(id: string, preset: WatermarkPreset) {
+	const index = prefer.s.watermarkPresets.findIndex(p => p.id === id);
+	if (index !== -1) {
+		prefer.commit('watermarkPresets', [
+			...prefer.s.watermarkPresets.slice(0, index),
+			preset,
+			...prefer.s.watermarkPresets.slice(index + 1),
+		]);
+	}
+}
+
+function onDeleteWatermarkPreset(id: string) {
+	const index = prefer.s.watermarkPresets.findIndex(p => p.id === id);
+	if (index !== -1) {
+		prefer.commit('watermarkPresets', [
+			...prefer.s.watermarkPresets.slice(0, index),
+			...prefer.s.watermarkPresets.slice(index + 1),
+		]);
+
+		if (prefer.s.defaultWatermarkPresetId === id) {
+			prefer.commit('defaultWatermarkPresetId', null);
+		}
+	}
+}
+
 function saveProfile() {
 	misskeyApi('i/update', {
 		alwaysMarkNsfw: !!alwaysMarkNsfw.value,
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index 6eb9b2408a..727b79e045 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -11,6 +11,7 @@ import type { SoundType } from '@/utility/sound.js';
 import type { Plugin } from '@/plugin.js';
 import type { DeviceKind } from '@/utility/device-kind.js';
 import type { DeckProfile } from '@/deck.js';
+import type { WatermarkPreset } from '@/utility/watermark.js';
 import { genId } from '@/utility/id.js';
 import { DEFAULT_DEVICE_KIND } from '@/utility/device-kind.js';
 import { deepEqual } from '@/utility/deep-equal.js';
@@ -396,6 +397,33 @@ export const PREF_DEF = definePreferences({
 			return [...new Set(a.concat(b))];
 		},
 	},
+	watermarkPresets: {
+		accountDependent: true,
+		default: [] as WatermarkPreset[],
+		mergeStrategy: (a, b) => {
+			const mergedItems = [] as typeof a;
+			for (const x of a.concat(b)) {
+				const sameIdItem = mergedItems.find(y => y.id === x.id);
+				if (sameIdItem != null) {
+					if (deepEqual(x, sameIdItem)) { // 完全な重複は無視
+						continue;
+					} else { // IDは同じなのに内容が違う場合はマージ不可とする
+						throw new Error();
+					}
+				} else {
+					mergedItems.push(x);
+				}
+			}
+			return mergedItems;
+		},
+	},
+	defaultWatermarkPresetId: {
+		accountDependent: true,
+		default: null as WatermarkPreset['id'] | null,
+	},
+	defaultImageCompressionLevel: {
+		default: 2,
+	},
 
 	'sound.masterVolume': {
 		default: 0.5,
diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
new file mode 100644
index 0000000000..fe253017e5
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -0,0 +1,476 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { getProxiedImageUrl } from '../media-proxy.js';
+
+type ParamTypeToPrimitive = {
+	'number': number;
+	'number:enum': number;
+	'boolean': boolean;
+	'align': { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom'; };
+	'seed': number;
+	'texture': { type: 'text'; text: string | null; } | { type: 'url'; url: string | null; } | null;
+	'color': [r: number, g: number, b: number];
+};
+
+type ImageEffectorFxParamDefs = Record<string, {
+	type: keyof ParamTypeToPrimitive;
+	default: any;
+}>;
+
+export function defineImageEffectorFx<ID extends string, PS extends ImageEffectorFxParamDefs, US extends string[]>(fx: ImageEffectorFx<ID, PS, US>) {
+	return fx;
+}
+
+export type ImageEffectorFx<ID extends string = string, PS extends ImageEffectorFxParamDefs = ImageEffectorFxParamDefs, US extends string[] = string[]> = {
+	id: ID;
+	name: string;
+	shader: string;
+	uniforms: US;
+	params: PS,
+	main: (ctx: {
+		gl: WebGL2RenderingContext;
+		program: WebGLProgram;
+		params: {
+			[key in keyof PS]: ParamTypeToPrimitive[PS[key]['type']];
+		};
+		u: Record<US[number], WebGLUniformLocation>;
+		width: number;
+		height: number;
+		textures: Record<string, {
+			texture: WebGLTexture;
+			width: number;
+			height: number;
+		} | null>;
+	}) => void;
+};
+
+export type ImageEffectorLayer = {
+	id: string;
+	fxId: string;
+	params: Record<string, any>;
+};
+
+function getValue<T extends keyof ParamTypeToPrimitive>(params: Record<string, any>, k: string): ParamTypeToPrimitive[T] {
+	return params[k];
+}
+
+export class ImageEffector {
+	private gl: WebGL2RenderingContext;
+	private canvas: HTMLCanvasElement | null = null;
+	private renderTextureProgram: WebGLProgram;
+	private renderInvertedTextureProgram: WebGLProgram;
+	private renderWidth: number;
+	private renderHeight: number;
+	private originalImage: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
+	private layers: ImageEffectorLayer[] = [];
+	private originalImageTexture: WebGLTexture;
+	private shaderCache: Map<string, WebGLProgram> = new Map();
+	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
+	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
+	private fxs: ImageEffectorFx[];
+	private paramTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
+
+	constructor(options: {
+		canvas: HTMLCanvasElement;
+		renderWidth: number;
+		renderHeight: number;
+		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
+		fxs: ImageEffectorFx[];
+	}) {
+		this.canvas = options.canvas;
+		this.renderWidth = options.renderWidth;
+		this.renderHeight = options.renderHeight;
+		this.originalImage = options.image;
+		this.fxs = options.fxs;
+
+		this.canvas.width = this.renderWidth;
+		this.canvas.height = this.renderHeight;
+
+		const gl = this.canvas.getContext('webgl2', {
+			preserveDrawingBuffer: false,
+			alpha: true,
+			premultipliedAlpha: false,
+		});
+
+		if (gl == null) {
+			throw new Error('Failed to initialize WebGL2 context');
+		}
+
+		this.gl = gl;
+
+		gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+
+		const VERTICES = new Float32Array([-1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1]);
+		const vertexBuffer = gl.createBuffer();
+		gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
+		gl.bufferData(gl.ARRAY_BUFFER, VERTICES, gl.STATIC_DRAW);
+
+		this.originalImageTexture = createTexture(gl);
+		gl.activeTexture(gl.TEXTURE0);
+		gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
+		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.originalImage.width, this.originalImage.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
+		gl.bindTexture(gl.TEXTURE_2D, null);
+
+		this.renderTextureProgram = this.initShaderProgram(`#version 300 es
+			in vec2 position;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				gl_Position = vec4(position, 0.0, 1.0);
+			}
+		`, `#version 300 es
+			precision mediump float;
+
+			in vec2 in_uv;
+			uniform sampler2D u_texture;
+			out vec4 out_color;
+
+			void main() {
+				out_color = texture(u_texture, in_uv);
+			}
+		`);
+
+		this.renderInvertedTextureProgram = this.initShaderProgram(`#version 300 es
+			in vec2 position;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				in_uv.y = 1.0 - in_uv.y;
+				gl_Position = vec4(position, 0.0, 1.0);
+			}
+		`, `#version 300 es
+			precision mediump float;
+
+			in vec2 in_uv;
+			uniform sampler2D u_texture;
+			out vec4 out_color;
+
+			void main() {
+				out_color = texture(u_texture, in_uv);
+			}
+		`);
+	}
+
+	public loadShader(type: GLenum, source: string): WebGLShader {
+		const gl = this.gl;
+
+		const shader = gl.createShader(type);
+		if (shader == null) {
+			throw new Error('falied to create shader');
+		}
+
+		gl.shaderSource(shader, source);
+		gl.compileShader(shader);
+
+		if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
+			console.error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
+			gl.deleteShader(shader);
+			throw new Error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
+		}
+
+		return shader;
+	}
+
+	public initShaderProgram(vsSource: string, fsSource: string): WebGLProgram {
+		const gl = this.gl;
+
+		const vertexShader = this.loadShader(gl.VERTEX_SHADER, vsSource);
+		const fragmentShader = this.loadShader(gl.FRAGMENT_SHADER, fsSource);
+
+		const shaderProgram = gl.createProgram();
+
+		gl.attachShader(shaderProgram, vertexShader);
+		gl.attachShader(shaderProgram, fragmentShader);
+		gl.linkProgram(shaderProgram);
+
+		if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
+			console.error(`failed to init shader: ${gl.getProgramInfoLog(shaderProgram)}`);
+			throw new Error('failed to init shader');
+		}
+
+		return shaderProgram;
+	}
+
+	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture) {
+		const gl = this.gl;
+
+		const fx = this.fxs.find(fx => fx.id === layer.fxId);
+		if (fx == null) return;
+
+		const cachedShader = this.shaderCache.get(fx.id);
+		const shaderProgram = cachedShader ?? this.initShaderProgram(`#version 300 es
+			in vec2 position;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				gl_Position = vec4(position, 0.0, 1.0);
+			}
+		`, fx.shader);
+		if (cachedShader == null) {
+			this.shaderCache.set(fx.id, shaderProgram);
+		}
+
+		gl.useProgram(shaderProgram);
+
+		const in_resolution = gl.getUniformLocation(shaderProgram, 'in_resolution');
+		gl.uniform2fv(in_resolution, [this.renderWidth, this.renderHeight]);
+
+		gl.activeTexture(gl.TEXTURE0);
+		gl.bindTexture(gl.TEXTURE_2D, preTexture);
+		const in_texture = gl.getUniformLocation(shaderProgram, 'in_texture');
+		gl.uniform1i(in_texture, 0);
+
+		fx.main({
+			gl: gl,
+			program: shaderProgram,
+			params: Object.fromEntries(
+				Object.entries(fx.params).map(([key, param]) => {
+					return [key, layer.params[key] ?? param.default];
+				}),
+			),
+			u: Object.fromEntries(fx.uniforms.map(u => [u, gl.getUniformLocation(shaderProgram, 'u_' + u)!])),
+			width: this.renderWidth,
+			height: this.renderHeight,
+			textures: Object.fromEntries(
+				Object.entries(fx.params).map(([k, v]) => {
+					if (v.type !== 'texture') return [k, null];
+					const param = getValue<typeof v.type>(layer.params, k);
+					if (param == null) return [k, null];
+					const texture = this.paramTextures.get(this.getTextureKeyForParam(param)) ?? null;
+					return [k, texture];
+				})),
+		});
+
+		gl.drawArrays(gl.TRIANGLES, 0, 6);
+	}
+
+	public render() {
+		const gl = this.gl;
+
+		{
+			gl.activeTexture(gl.TEXTURE0);
+			gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
+
+			gl.useProgram(this.renderTextureProgram);
+			const u_texture = gl.getUniformLocation(this.renderTextureProgram, 'u_texture');
+			gl.uniform1i(u_texture, 0);
+			const u_resolution = gl.getUniformLocation(this.renderTextureProgram, 'u_resolution');
+			gl.uniform2fv(u_resolution, [this.renderWidth, this.renderHeight]);
+			const positionLocation = gl.getAttribLocation(this.renderTextureProgram, 'position');
+			gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
+			gl.enableVertexAttribArray(positionLocation);
+
+			gl.drawArrays(gl.TRIANGLES, 0, 6);
+		}
+
+		// --------------------
+
+		let preTexture = this.originalImageTexture;
+
+		for (const layer of this.layers) {
+			const cachedResultTexture = this.perLayerResultTextures.get(layer.id);
+			const resultTexture = cachedResultTexture ?? createTexture(gl);
+			if (cachedResultTexture == null) {
+				this.perLayerResultTextures.set(layer.id, resultTexture);
+			}
+			gl.bindTexture(gl.TEXTURE_2D, resultTexture);
+			gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.renderWidth, this.renderHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+			gl.bindTexture(gl.TEXTURE_2D, null);
+
+			const cachedResultFrameBuffer = this.perLayerResultFrameBuffers.get(layer.id);
+			const resultFrameBuffer = cachedResultFrameBuffer ?? gl.createFramebuffer()!;
+			if (cachedResultFrameBuffer == null) {
+				this.perLayerResultFrameBuffers.set(layer.id, resultFrameBuffer);
+			}
+			gl.bindFramebuffer(gl.FRAMEBUFFER, resultFrameBuffer);
+			gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, resultTexture, 0);
+
+			this.renderLayer(layer, preTexture);
+
+			gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+
+			preTexture = resultTexture;
+		}
+
+		// --------------------
+
+		gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+		gl.useProgram(this.renderInvertedTextureProgram);
+
+		gl.activeTexture(gl.TEXTURE0);
+		gl.bindTexture(gl.TEXTURE_2D, preTexture);
+
+		gl.drawArrays(gl.TRIANGLES, 0, 6);
+	}
+
+	public async setLayers(layers: ImageEffectorLayer[]) {
+		this.layers = layers;
+
+		const unused = new Set(this.paramTextures.keys());
+
+		for (const layer of layers) {
+			const fx = this.fxs.find(fx => fx.id === layer.fxId);
+			if (fx == null) continue;
+
+			for (const k of Object.keys(layer.params)) {
+				const paramDef = fx.params[k];
+				if (paramDef == null) continue;
+				if (paramDef.type !== 'texture') continue;
+				const v = getValue<typeof paramDef.type>(layer.params, k);
+				if (v == null) continue;
+
+				const textureKey = this.getTextureKeyForParam(v);
+				unused.delete(textureKey);
+				if (this.paramTextures.has(textureKey)) continue;
+
+				console.log(`Baking texture of <${textureKey}>...`);
+
+				const texture = v.type === 'text' ? await createTextureFromText(this.gl, v.text) : v.type === 'url' ? await createTextureFromUrl(this.gl, v.url) : null;
+				if (texture == null) continue;
+
+				this.paramTextures.set(textureKey, texture);
+			}
+		}
+
+		for (const k of unused) {
+			console.log(`Dispose unused texture <${k}>...`);
+			this.gl.deleteTexture(this.paramTextures.get(k)!.texture);
+			this.paramTextures.delete(k);
+		}
+
+		this.render();
+	}
+
+	public changeResolution(width: number, height: number) {
+		this.renderWidth = width;
+		this.renderHeight = height;
+		if (this.canvas) {
+			this.canvas.width = this.renderWidth;
+			this.canvas.height = this.renderHeight;
+		}
+		this.gl.viewport(0, 0, this.renderWidth, this.renderHeight);
+	}
+
+	private getTextureKeyForParam(v: ParamTypeToPrimitive['texture']) {
+		if (v == null) return '';
+		return v.type === 'text' ? `text:${v.text}` : v.type === 'url' ? `url:${v.url}` : '';
+	}
+
+	/*
+	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
+	 */
+	public destroy(disposeCanvas = true) {
+		for (const shader of this.shaderCache.values()) {
+			this.gl.deleteProgram(shader);
+		}
+		this.shaderCache.clear();
+
+		for (const texture of this.perLayerResultTextures.values()) {
+			this.gl.deleteTexture(texture);
+		}
+		this.perLayerResultTextures.clear();
+
+		for (const framebuffer of this.perLayerResultFrameBuffers.values()) {
+			this.gl.deleteFramebuffer(framebuffer);
+		}
+		this.perLayerResultFrameBuffers.clear();
+
+		for (const texture of this.paramTextures.values()) {
+			this.gl.deleteTexture(texture.texture);
+		}
+		this.paramTextures.clear();
+
+		this.gl.deleteProgram(this.renderTextureProgram);
+		this.gl.deleteProgram(this.renderInvertedTextureProgram);
+		this.gl.deleteTexture(this.originalImageTexture);
+
+		if (disposeCanvas) {
+			const loseContextExt = this.gl.getExtension('WEBGL_lose_context');
+			if (loseContextExt) loseContextExt.loseContext();
+		}
+	}
+}
+
+function createTexture(gl: WebGL2RenderingContext): WebGLTexture {
+	const texture = gl.createTexture();
+	gl.bindTexture(gl.TEXTURE_2D, texture);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.MIRRORED_REPEAT);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.MIRRORED_REPEAT);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+	gl.bindTexture(gl.TEXTURE_2D, null);
+	return texture;
+}
+
+async function createTextureFromUrl(gl: WebGL2RenderingContext, imageUrl: string | null): Promise<{ texture: WebGLTexture, width: number, height: number } | null> {
+	if (imageUrl == null || imageUrl.trim() === '') return null;
+
+	const image = await new Promise<HTMLImageElement>((resolve, reject) => {
+		const img = new Image();
+		img.onload = () => resolve(img);
+		img.onerror = reject;
+		img.src = getProxiedImageUrl(imageUrl); // CORS対策
+	}).catch(() => null);
+
+	if (image == null) return null;
+
+	const texture = createTexture(gl);
+	gl.activeTexture(gl.TEXTURE0);
+	gl.bindTexture(gl.TEXTURE_2D, texture);
+	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
+	gl.bindTexture(gl.TEXTURE_2D, null);
+
+	return {
+		texture,
+		width: image.width,
+		height: image.height,
+	};
+}
+
+async function createTextureFromText(gl: WebGL2RenderingContext, text: string | null, resolution = 2048): Promise<{ texture: WebGLTexture, width: number, height: number } | null> {
+	if (text == null || text.trim() === '') return null;
+
+	const ctx = window.document.createElement('canvas').getContext('2d')!;
+	ctx.canvas.width = resolution;
+	ctx.canvas.height = resolution / 4;
+	const fontSize = resolution / 32;
+	const margin = fontSize / 2;
+	ctx.shadowColor = '#000000';
+	ctx.shadowBlur = fontSize / 4;
+
+	//ctx.fillStyle = '#00ff00';
+	//ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
+
+	ctx.fillStyle = '#ffffff';
+	ctx.font = `bold ${fontSize}px sans-serif`;
+	ctx.textBaseline = 'middle';
+
+	ctx.fillText(text, margin, ctx.canvas.height / 2);
+
+	const textMetrics = ctx.measureText(text);
+	const cropWidth = (Math.ceil(textMetrics.actualBoundingBoxRight + textMetrics.actualBoundingBoxLeft) + margin + margin);
+	const cropHeight = (Math.ceil(textMetrics.actualBoundingBoxAscent + textMetrics.actualBoundingBoxDescent) + margin + margin);
+	const data = ctx.getImageData(0, (ctx.canvas.height / 2) - (cropHeight / 2), ctx.canvas.width, ctx.canvas.height);
+
+	const texture = createTexture(gl);
+	gl.activeTexture(gl.TEXTURE0);
+	gl.bindTexture(gl.TEXTURE_2D, texture);
+	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, cropWidth, cropHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, data);
+	gl.bindTexture(gl.TEXTURE_2D, null);
+
+	const info = {
+		texture: texture,
+		width: cropWidth,
+		height: cropHeight,
+	};
+
+	ctx.canvas.remove();
+
+	return info;
+}
diff --git a/packages/frontend/src/utility/image-effector/fxs.ts b/packages/frontend/src/utility/image-effector/fxs.ts
new file mode 100644
index 0000000000..5887a68c43
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs.ts
@@ -0,0 +1,37 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { FX_checker } from './fxs/checker.js';
+import { FX_chromaticAberration } from './fxs/chromaticAberration.js';
+import { FX_colorClamp } from './fxs/colorClamp.js';
+import { FX_colorClampAdvanced } from './fxs/colorClampAdvanced.js';
+import { FX_distort } from './fxs/distort.js';
+import { FX_polkadot } from './fxs/polkadot.js';
+import { FX_glitch } from './fxs/glitch.js';
+import { FX_grayscale } from './fxs/grayscale.js';
+import { FX_invert } from './fxs/invert.js';
+import { FX_mirror } from './fxs/mirror.js';
+import { FX_stripe } from './fxs/stripe.js';
+import { FX_threshold } from './fxs/threshold.js';
+import { FX_watermarkPlacement } from './fxs/watermarkPlacement.js';
+import { FX_zoomLines } from './fxs/zoomLines.js';
+import type { ImageEffectorFx } from './ImageEffector.js';
+
+export const FXS = [
+	FX_watermarkPlacement,
+	FX_chromaticAberration,
+	FX_glitch,
+	FX_mirror,
+	FX_invert,
+	FX_grayscale,
+	FX_colorClamp,
+	FX_colorClampAdvanced,
+	FX_distort,
+	FX_threshold,
+	FX_zoomLines,
+	FX_stripe,
+	FX_polkadot,
+	FX_checker,
+] as const satisfies ImageEffectorFx<string, any>[];
diff --git a/packages/frontend/src/utility/image-effector/fxs/checker.ts b/packages/frontend/src/utility/image-effector/fxs/checker.ts
new file mode 100644
index 0000000000..b799bd0d13
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/checker.ts
@@ -0,0 +1,87 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+const float PI = 3.141592653589793;
+const float TWO_PI = 6.283185307179586;
+const float HALF_PI = 1.5707963267948966;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_angle;
+uniform float u_scale;
+uniform vec3 u_color;
+uniform float u_opacity;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float x_ratio = max(in_resolution.x / in_resolution.y, 1.0);
+	float y_ratio = max(in_resolution.y / in_resolution.x, 1.0);
+
+	float angle = -(u_angle * PI);
+	vec2 centeredUv = (in_uv - vec2(0.5, 0.5)) * vec2(x_ratio, y_ratio);
+	vec2 rotatedUV = vec2(
+		centeredUv.x * cos(angle) - centeredUv.y * sin(angle),
+		centeredUv.x * sin(angle) + centeredUv.y * cos(angle)
+	);
+
+	float fmodResult = mod(floor(u_scale * rotatedUV.x) + floor(u_scale * rotatedUV.y), 2.0);
+	float fin = max(sign(fmodResult), 0.0);
+
+	out_color = vec4(
+		mix(in_color.r, u_color.r, fin * u_opacity),
+		mix(in_color.g, u_color.g, fin * u_opacity),
+		mix(in_color.b, u_color.b, fin * u_opacity),
+		in_color.a
+	);
+}
+`;
+
+export const FX_checker = defineImageEffectorFx({
+	id: 'checker' as const,
+	name: i18n.ts._imageEffector._fxs.checker,
+	shader,
+	uniforms: ['angle', 'scale', 'color', 'opacity'] as const,
+	params: {
+		angle: {
+			type: 'number' as const,
+			default: 0,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		scale: {
+			type: 'number' as const,
+			default: 3.0,
+			min: 1.0,
+			max: 10.0,
+			step: 0.1,
+		},
+		color: {
+			type: 'color' as const,
+			default: [1, 1, 1],
+		},
+		opacity: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.scale, params.scale * params.scale);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.opacity, params.opacity);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/chromaticAberration.ts b/packages/frontend/src/utility/image-effector/fxs/chromaticAberration.ts
new file mode 100644
index 0000000000..82d7d883aa
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/chromaticAberration.ts
@@ -0,0 +1,76 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+out vec4 out_color;
+uniform float u_amount;
+uniform float u_start;
+uniform bool u_normalize;
+
+void main() {
+	int samples = 64;
+	float r_strength = 1.0;
+	float g_strength = 1.5;
+	float b_strength = 2.0;
+
+	vec2 size = vec2(in_resolution.x, in_resolution.y);
+
+	vec4 accumulator = vec4(0.0);
+	float normalisedValue = length((in_uv - 0.5) * 2.0);
+	float strength = clamp((normalisedValue - u_start) * (1.0 / (1.0 - u_start)), 0.0, 1.0);
+
+	vec2 vector = (u_normalize ? normalize(in_uv - vec2(0.5)) : in_uv - vec2(0.5));
+	vec2 velocity = vector * strength * u_amount;
+
+	vec2 rOffset = -vector * strength * (u_amount * r_strength);
+	vec2 gOffset = -vector * strength * (u_amount * g_strength);
+	vec2 bOffset = -vector * strength * (u_amount * b_strength);
+
+	for (int i = 0; i < samples; i++) {
+		accumulator.r += texture(in_texture, in_uv + rOffset).r;
+		rOffset -= velocity / float(samples);
+
+		accumulator.g += texture(in_texture, in_uv + gOffset).g;
+		gOffset -= velocity / float(samples);
+
+		accumulator.b += texture(in_texture, in_uv + bOffset).b;
+		bOffset -= velocity / float(samples);
+	}
+
+	out_color = vec4(vec3(accumulator / float(samples)), 1.0);
+}
+`;
+
+export const FX_chromaticAberration = defineImageEffectorFx({
+	id: 'chromaticAberration' as const,
+	name: i18n.ts._imageEffector._fxs.chromaticAberration,
+	shader,
+	uniforms: ['amount', 'start', 'normalize'] as const,
+	params: {
+		normalize: {
+			type: 'boolean' as const,
+			default: false,
+		},
+		amount: {
+			type: 'number' as const,
+			default: 0.1,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.amount, params.amount);
+		gl.uniform1i(u.normalize, params.normalize ? 1 : 0);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts b/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
new file mode 100644
index 0000000000..5393d73df0
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
@@ -0,0 +1,53 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_max;
+uniform float u_min;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float r = min(max(in_color.r, u_min), u_max);
+	float g = min(max(in_color.g, u_min), u_max);
+	float b = min(max(in_color.b, u_min), u_max);
+	out_color = vec4(r, g, b, in_color.a);
+}
+`;
+
+export const FX_colorClamp = defineImageEffectorFx({
+	id: 'colorClamp' as const,
+	name: i18n.ts._imageEffector._fxs.colorClamp,
+	shader,
+	uniforms: ['max', 'min'] as const,
+	params: {
+		max: {
+			type: 'number' as const,
+			default: 1.0,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		min: {
+			type: 'number' as const,
+			default: -1.0,
+			min: -1.0,
+			max: 0.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.max, params.max);
+		gl.uniform1f(u.min, 1.0 + params.min);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts b/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
new file mode 100644
index 0000000000..c66d75a83f
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
@@ -0,0 +1,89 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_rMax;
+uniform float u_rMin;
+uniform float u_gMax;
+uniform float u_gMin;
+uniform float u_bMax;
+uniform float u_bMin;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float r = min(max(in_color.r, u_rMin), u_rMax);
+	float g = min(max(in_color.g, u_gMin), u_gMax);
+	float b = min(max(in_color.b, u_bMin), u_bMax);
+	out_color = vec4(r, g, b, in_color.a);
+}
+`;
+
+export const FX_colorClampAdvanced = defineImageEffectorFx({
+	id: 'colorClampAdvanced' as const,
+	name: i18n.ts._imageEffector._fxs.colorClampAdvanced,
+	shader,
+	uniforms: ['rMax', 'rMin', 'gMax', 'gMin', 'bMax', 'bMin'] as const,
+	params: {
+		rMax: {
+			type: 'number' as const,
+			default: 1.0,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		rMin: {
+			type: 'number' as const,
+			default: -1.0,
+			min: -1.0,
+			max: 0.0,
+			step: 0.01,
+		},
+		gMax: {
+			type: 'number' as const,
+			default: 1.0,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		gMin: {
+			type: 'number' as const,
+			default: -1.0,
+			min: -1.0,
+			max: 0.0,
+			step: 0.01,
+		},
+		bMax: {
+			type: 'number' as const,
+			default: 1.0,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		bMin: {
+			type: 'number' as const,
+			default: -1.0,
+			min: -1.0,
+			max: 0.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.rMax, params.rMax);
+		gl.uniform1f(u.rMin, 1.0 + params.rMin);
+		gl.uniform1f(u.gMax, params.gMax);
+		gl.uniform1f(u.gMin, 1.0 + params.gMin);
+		gl.uniform1f(u.bMax, params.bMax);
+		gl.uniform1f(u.bMin, 1.0 + params.bMin);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/distort.ts b/packages/frontend/src/utility/image-effector/fxs/distort.ts
new file mode 100644
index 0000000000..f91287c038
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/distort.ts
@@ -0,0 +1,71 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_phase;
+uniform float u_frequency;
+uniform float u_strength;
+uniform int u_direction; // 0: vertical, 1: horizontal
+out vec4 out_color;
+
+void main() {
+	float v = u_direction == 0 ?
+		sin(u_phase + in_uv.y * u_frequency) * u_strength :
+		sin(u_phase + in_uv.x * u_frequency) * u_strength;
+	vec4 in_color = u_direction == 0 ?
+		texture(in_texture, vec2(in_uv.x + v, in_uv.y)) :
+		texture(in_texture, vec2(in_uv.x, in_uv.y + v));
+	out_color = in_color;
+}
+`;
+
+export const FX_distort = defineImageEffectorFx({
+	id: 'distort' as const,
+	name: i18n.ts._imageEffector._fxs.distort,
+	shader,
+	uniforms: ['phase', 'frequency', 'strength', 'direction'] as const,
+	params: {
+		direction: {
+			type: 'number:enum' as const,
+			enum: [{ value: 0, label: 'v' }, { value: 1, label: 'h' }],
+			default: 0,
+		},
+		phase: {
+			type: 'number' as const,
+			default: 50.0,
+			min: 0.0,
+			max: 100,
+			step: 0.01,
+		},
+		frequency: {
+			type: 'number' as const,
+			default: 50,
+			min: 0,
+			max: 100,
+			step: 0.1,
+		},
+		strength: {
+			type: 'number' as const,
+			default: 0.1,
+			min: 0,
+			max: 1,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.phase, params.phase / 10);
+		gl.uniform1f(u.frequency, params.frequency);
+		gl.uniform1f(u.strength, params.strength);
+		gl.uniform1i(u.direction, params.direction);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/glitch.ts b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
new file mode 100644
index 0000000000..e4939a4302
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
@@ -0,0 +1,96 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import seedrandom from 'seedrandom';
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform int u_amount;
+uniform float u_shiftStrengths[128];
+uniform float u_shiftOrigins[128];
+uniform float u_shiftHeights[128];
+uniform float u_channelShift;
+out vec4 out_color;
+
+void main() {
+	float v = 0.0;
+
+	for (int i = 0; i < u_amount; i++) {
+		if (in_uv.y > (u_shiftOrigins[i] - u_shiftHeights[i]) && in_uv.y < (u_shiftOrigins[i] + u_shiftHeights[i])) {
+			v += u_shiftStrengths[i];
+		}
+	}
+
+	float r = texture(in_texture, vec2(in_uv.x + (v * (1.0 + u_channelShift)), in_uv.y)).r;
+	float g = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).g;
+	float b = texture(in_texture, vec2(in_uv.x + (v * (1.0 + (u_channelShift / 2.0))), in_uv.y)).b;
+	float a = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).a;
+	out_color = vec4(r, g, b, a);
+}
+`;
+
+export const FX_glitch = defineImageEffectorFx({
+	id: 'glitch' as const,
+	name: i18n.ts._imageEffector._fxs.glitch,
+	shader,
+	uniforms: ['amount', 'channelShift'] as const,
+	params: {
+		amount: {
+			type: 'number' as const,
+			default: 3,
+			min: 1,
+			max: 100,
+			step: 1,
+		},
+		strength: {
+			type: 'number' as const,
+			default: 5,
+			min: -100,
+			max: 100,
+			step: 0.01,
+		},
+		size: {
+			type: 'number' as const,
+			default: 20,
+			min: 0,
+			max: 100,
+			step: 0.01,
+		},
+		channelShift: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0,
+			max: 10,
+			step: 0.01,
+		},
+		seed: {
+			type: 'seed' as const,
+			default: 100,
+		},
+	},
+	main: ({ gl, program, u, params }) => {
+		gl.uniform1i(u.amount, params.amount);
+		gl.uniform1f(u.channelShift, params.channelShift);
+
+		const rnd = seedrandom(params.seed.toString());
+
+		for (let i = 0; i < params.amount; i++) {
+			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
+			gl.uniform1f(o, rnd());
+
+			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
+			gl.uniform1f(s, (1 - (rnd() * 2)) * (params.strength / 100));
+
+			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
+			gl.uniform1f(h, rnd() * (params.size / 100));
+		}
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/grayscale.ts b/packages/frontend/src/utility/image-effector/fxs/grayscale.ts
new file mode 100644
index 0000000000..8f33706ae7
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/grayscale.ts
@@ -0,0 +1,37 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+out vec4 out_color;
+
+float getBrightness(vec4 color) {
+	return (color.r + color.g + color.b) / 3.0;
+}
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float brightness = getBrightness(in_color);
+	out_color = vec4(brightness, brightness, brightness, in_color.a);
+}
+`;
+
+export const FX_grayscale = defineImageEffectorFx({
+	id: 'grayscale' as const,
+	name: i18n.ts._imageEffector._fxs.grayscale,
+	shader,
+	uniforms: [] as const,
+	params: {
+	},
+	main: ({ gl, params }) => {
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/invert.ts b/packages/frontend/src/utility/image-effector/fxs/invert.ts
new file mode 100644
index 0000000000..220a2dea30
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/invert.ts
@@ -0,0 +1,53 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform bool u_r;
+uniform bool u_g;
+uniform bool u_b;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	out_color.r = u_r ? 1.0 - in_color.r : in_color.r;
+	out_color.g = u_g ? 1.0 - in_color.g : in_color.g;
+	out_color.b = u_b ? 1.0 - in_color.b : in_color.b;
+	out_color.a = in_color.a;
+}
+`;
+
+export const FX_invert = defineImageEffectorFx({
+	id: 'invert' as const,
+	name: i18n.ts._imageEffector._fxs.invert,
+	shader,
+	uniforms: ['r', 'g', 'b'] as const,
+	params: {
+		r: {
+			type: 'boolean' as const,
+			default: true,
+		},
+		g: {
+			type: 'boolean' as const,
+			default: true,
+		},
+		b: {
+			type: 'boolean' as const,
+			default: true,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1i(u.r, params.r ? 1 : 0);
+		gl.uniform1i(u.g, params.g ? 1 : 0);
+		gl.uniform1i(u.b, params.b ? 1 : 0);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/mirror.ts b/packages/frontend/src/utility/image-effector/fxs/mirror.ts
new file mode 100644
index 0000000000..5946a2e0dc
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/mirror.ts
@@ -0,0 +1,58 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform int u_h;
+uniform int u_v;
+out vec4 out_color;
+
+void main() {
+	vec2 uv = in_uv;
+	if (u_h == -1 && in_uv.x > 0.5) {
+		uv.x = 1.0 - uv.x;
+	}
+	if (u_h == 1 && in_uv.x < 0.5) {
+		uv.x = 1.0 - uv.x;
+	}
+	if (u_v == -1 && in_uv.y > 0.5) {
+		uv.y = 1.0 - uv.y;
+	}
+	if (u_v == 1 && in_uv.y < 0.5) {
+		uv.y = 1.0 - uv.y;
+	}
+	out_color = texture(in_texture, uv);
+}
+`;
+
+export const FX_mirror = defineImageEffectorFx({
+	id: 'mirror' as const,
+	name: i18n.ts._imageEffector._fxs.mirror,
+	shader,
+	uniforms: ['h', 'v'] as const,
+	params: {
+		h: {
+			type: 'number:enum' as const,
+			enum: [{ value: -1, label: '<-' }, { value: 0, label: '|' }, { value: 1, label: '->' }],
+			default: -1,
+		},
+		v: {
+			type: 'number:enum' as const,
+			enum: [{ value: -1, label: '^' }, { value: 0, label: '-' }, { value: 1, label: 'v' }],
+			default: 0,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1i(u.h, params.h);
+		gl.uniform1i(u.v, params.v);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/polkadot.ts b/packages/frontend/src/utility/image-effector/fxs/polkadot.ts
new file mode 100644
index 0000000000..198dd9bad0
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/polkadot.ts
@@ -0,0 +1,151 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+const float PI = 3.141592653589793;
+const float TWO_PI = 6.283185307179586;
+const float HALF_PI = 1.5707963267948966;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_angle;
+uniform float u_scale;
+uniform float u_major_radius;
+uniform float u_major_opacity;
+uniform float u_minor_divisions;
+uniform float u_minor_radius;
+uniform float u_minor_opacity;
+uniform vec3 u_color;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float x_ratio = max(in_resolution.x / in_resolution.y, 1.0);
+	float y_ratio = max(in_resolution.y / in_resolution.x, 1.0);
+
+	float angle = -(u_angle * PI);
+	vec2 centeredUv = (in_uv - vec2(0.5, 0.5)) * vec2(x_ratio, y_ratio);
+	vec2 rotatedUV = vec2(
+		centeredUv.x * cos(angle) - centeredUv.y * sin(angle),
+		centeredUv.x * sin(angle) + centeredUv.y * cos(angle)
+	);
+
+	float major_modX = mod(rotatedUV.x, (1.0 / u_scale));
+	float major_modY = mod(rotatedUV.y, (1.0 / u_scale));
+	float major_threshold = ((u_major_radius / 2.0) / u_scale);
+	if (
+		length(vec2(major_modX, major_modY)) < major_threshold ||
+		length(vec2((1.0 / u_scale) - major_modX, major_modY)) < major_threshold ||
+		length(vec2(major_modX, (1.0 / u_scale) - major_modY)) < major_threshold ||
+		length(vec2((1.0 / u_scale) - major_modX, (1.0 / u_scale) - major_modY)) < major_threshold
+	) {
+		out_color = vec4(
+			mix(in_color.r, u_color.r, u_major_opacity),
+			mix(in_color.g, u_color.g, u_major_opacity),
+			mix(in_color.b, u_color.b, u_major_opacity),
+			in_color.a
+		);
+		return;
+	}
+
+	float minor_modX = mod(rotatedUV.x, (1.0 / u_scale / u_minor_divisions));
+	float minor_modY = mod(rotatedUV.y, (1.0 / u_scale / u_minor_divisions));
+	float minor_threshold = ((u_minor_radius / 2.0) / (u_minor_divisions * u_scale));
+	if (
+		length(vec2(minor_modX, minor_modY)) < minor_threshold ||
+		length(vec2((1.0 / u_scale / u_minor_divisions) - minor_modX, minor_modY)) < minor_threshold ||
+		length(vec2(minor_modX, (1.0 / u_scale / u_minor_divisions) - minor_modY)) < minor_threshold ||
+		length(vec2((1.0 / u_scale / u_minor_divisions) - minor_modX, (1.0 / u_scale / u_minor_divisions) - minor_modY)) < minor_threshold
+	) {
+		out_color = vec4(
+			mix(in_color.r, u_color.r, u_minor_opacity),
+			mix(in_color.g, u_color.g, u_minor_opacity),
+			mix(in_color.b, u_color.b, u_minor_opacity),
+			in_color.a
+		);
+		return;
+	}
+
+	out_color = in_color;
+}
+`;
+
+export const FX_polkadot = defineImageEffectorFx({
+	id: 'polkadot' as const,
+	name: i18n.ts._imageEffector._fxs.polkadot,
+	shader,
+	uniforms: ['angle', 'scale', 'major_radius', 'major_opacity', 'minor_divisions', 'minor_radius', 'minor_opacity', 'color'] as const,
+	params: {
+		angle: {
+			type: 'number' as const,
+			default: 0,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		scale: {
+			type: 'number' as const,
+			default: 3.0,
+			min: 1.0,
+			max: 10.0,
+			step: 0.1,
+		},
+		majorRadius: {
+			type: 'number' as const,
+			default: 0.1,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		majorOpacity: {
+			type: 'number' as const,
+			default: 0.75,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		minorDivisions: {
+			type: 'number' as const,
+			default: 4,
+			min: 0,
+			max: 16,
+			step: 1,
+		},
+		minorRadius: {
+			type: 'number' as const,
+			default: 0.25,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		minorOpacity: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		color: {
+			type: 'color' as const,
+			default: [1, 1, 1],
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.scale, params.scale * params.scale);
+		gl.uniform1f(u.major_radius, params.majorRadius);
+		gl.uniform1f(u.major_opacity, params.majorOpacity);
+		gl.uniform1f(u.minor_divisions, params.minorDivisions);
+		gl.uniform1f(u.minor_radius, params.minorRadius);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.minor_opacity, params.minorOpacity);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/stripe.ts b/packages/frontend/src/utility/image-effector/fxs/stripe.ts
new file mode 100644
index 0000000000..37766e185d
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/stripe.ts
@@ -0,0 +1,98 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+const float PI = 3.141592653589793;
+const float TWO_PI = 6.283185307179586;
+const float HALF_PI = 1.5707963267948966;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_angle;
+uniform float u_frequency;
+uniform float u_phase;
+uniform float u_threshold;
+uniform vec3 u_color;
+uniform float u_opacity;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float x_ratio = max(in_resolution.x / in_resolution.y, 1.0);
+	float y_ratio = max(in_resolution.y / in_resolution.x, 1.0);
+
+	float angle = -(u_angle * PI);
+	vec2 centeredUv = (in_uv - vec2(0.5, 0.5)) * vec2(x_ratio, y_ratio);
+	vec2 rotatedUV = vec2(
+		centeredUv.x * cos(angle) - centeredUv.y * sin(angle),
+		centeredUv.x * sin(angle) + centeredUv.y * cos(angle)
+	);
+
+	float phase = u_phase * TWO_PI;
+	float value = (1.0 + sin((rotatedUV.x * u_frequency - HALF_PI) + phase)) / 2.0;
+	value = value < u_threshold ? 1.0 : 0.0;
+	out_color = vec4(
+		mix(in_color.r, u_color.r, value * u_opacity),
+		mix(in_color.g, u_color.g, value * u_opacity),
+		mix(in_color.b, u_color.b, value * u_opacity),
+		in_color.a
+	);
+}
+`;
+
+export const FX_stripe = defineImageEffectorFx({
+	id: 'stripe' as const,
+	name: i18n.ts._imageEffector._fxs.stripe,
+	shader,
+	uniforms: ['angle', 'frequency', 'phase', 'threshold', 'color', 'opacity'] as const,
+	params: {
+		angle: {
+			type: 'number' as const,
+			default: 0.5,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		frequency: {
+			type: 'number' as const,
+			default: 10.0,
+			min: 1.0,
+			max: 30.0,
+			step: 0.1,
+		},
+		threshold: {
+			type: 'number' as const,
+			default: 0.1,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		color: {
+			type: 'color' as const,
+			default: [1, 1, 1],
+		},
+		opacity: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.angle, params.angle / 2);
+		gl.uniform1f(u.frequency, params.frequency * params.frequency);
+		gl.uniform1f(u.phase, 0.0);
+		gl.uniform1f(u.threshold, params.threshold);
+		gl.uniform3f(u.color, params.color[0], params.color[1], params.color[2]);
+		gl.uniform1f(u.opacity, params.opacity);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/threshold.ts b/packages/frontend/src/utility/image-effector/fxs/threshold.ts
new file mode 100644
index 0000000000..f2b8b107fd
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/threshold.ts
@@ -0,0 +1,62 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_r;
+uniform float u_g;
+uniform float u_b;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float r = in_color.r < u_r ? 0.0 : 1.0;
+	float g = in_color.g < u_g ? 0.0 : 1.0;
+	float b = in_color.b < u_b ? 0.0 : 1.0;
+	out_color = vec4(r, g, b, in_color.a);
+}
+`;
+
+export const FX_threshold = defineImageEffectorFx({
+	id: 'threshold' as const,
+	name: i18n.ts._imageEffector._fxs.threshold,
+	shader,
+	uniforms: ['r', 'g', 'b'] as const,
+	params: {
+		r: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		g: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		b: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.r, params.r);
+		gl.uniform1f(u.g, params.g);
+		gl.uniform1f(u.b, params.b);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts b/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts
new file mode 100644
index 0000000000..1c1c95b0c5
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/watermarkPlacement.ts
@@ -0,0 +1,148 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+const float PI = 3.141592653589793;
+const float TWO_PI = 6.283185307179586;
+const float HALF_PI = 1.5707963267948966;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform sampler2D u_texture_watermark;
+uniform vec2 u_resolution_watermark;
+uniform float u_scale;
+uniform float u_angle;
+uniform float u_opacity;
+uniform bool u_repeat;
+uniform int u_alignX; // 0: left, 1: center, 2: right
+uniform int u_alignY; // 0: top, 1: center, 2: bottom
+uniform int u_fitMode; // 0: contain, 1: cover
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float in_x_ratio = max(in_resolution.x / in_resolution.y, 1.0);
+	float in_y_ratio = max(in_resolution.y / in_resolution.x, 1.0);
+
+	bool contain = u_fitMode == 0;
+
+	float x_ratio = u_resolution_watermark.x / in_resolution.x;
+	float y_ratio = u_resolution_watermark.y / in_resolution.y;
+
+	float aspect_ratio = contain ?
+		(min(x_ratio, y_ratio) / max(x_ratio, y_ratio)) :
+		(max(x_ratio, y_ratio) / min(x_ratio, y_ratio));
+
+	float x_scale = contain ?
+		(x_ratio > y_ratio ? 1.0 * u_scale : aspect_ratio * u_scale) :
+		(x_ratio > y_ratio ? aspect_ratio * u_scale : 1.0 * u_scale);
+
+	float y_scale = contain ?
+		(y_ratio > x_ratio ? 1.0 * u_scale : aspect_ratio * u_scale) :
+		(y_ratio > x_ratio ? aspect_ratio * u_scale : 1.0 * u_scale);
+
+	float x_offset = u_alignX == 0 ? x_scale / 2.0 : u_alignX == 2 ? 1.0 - (x_scale / 2.0) : 0.5;
+	float y_offset = u_alignY == 0 ? y_scale / 2.0 : u_alignY == 2 ? 1.0 - (y_scale / 2.0) : 0.5;
+
+	float angle = -(u_angle * PI);
+	vec2 center = vec2(x_offset, y_offset);
+	//vec2 centeredUv = (in_uv - center) * vec2(in_x_ratio, in_y_ratio);
+	vec2 centeredUv = (in_uv - center);
+	vec2 rotatedUV = vec2(
+		centeredUv.x * cos(angle) - centeredUv.y * sin(angle),
+		centeredUv.x * sin(angle) + centeredUv.y * cos(angle)
+	) + center;
+
+	// trim
+	if (!u_repeat) {
+		bool isInside = rotatedUV.x > x_offset - (x_scale / 2.0) && rotatedUV.x < x_offset + (x_scale / 2.0) &&
+										rotatedUV.y > y_offset - (y_scale / 2.0) && rotatedUV.y < y_offset + (y_scale / 2.0);
+		if (!isInside) {
+			out_color = in_color;
+			return;
+		}
+	}
+
+	vec4 watermark_color = texture(u_texture_watermark, vec2(
+		(rotatedUV.x - (x_offset - (x_scale / 2.0))) / x_scale,
+		(rotatedUV.y - (y_offset - (y_scale / 2.0))) / y_scale
+	));
+
+	out_color.r = mix(in_color.r, watermark_color.r, u_opacity * watermark_color.a);
+	out_color.g = mix(in_color.g, watermark_color.g, u_opacity * watermark_color.a);
+	out_color.b = mix(in_color.b, watermark_color.b, u_opacity * watermark_color.a);
+	out_color.a = in_color.a * (1.0 - u_opacity * watermark_color.a) + watermark_color.a * u_opacity;
+}
+`;
+
+export const FX_watermarkPlacement = defineImageEffectorFx({
+	id: 'watermarkPlacement' as const,
+	name: '(internal)',
+	shader,
+	uniforms: ['texture_watermark', 'resolution_watermark', 'scale', 'angle', 'opacity', 'repeat', 'alignX', 'alignY', 'fitMode'] as const,
+	params: {
+		cover: {
+			type: 'boolean' as const,
+			default: false,
+		},
+		repeat: {
+			type: 'boolean' as const,
+			default: false,
+		},
+		scale: {
+			type: 'number' as const,
+			default: 0.3,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		angle: {
+			type: 'number' as const,
+			default: 0,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		align: {
+			type: 'align' as const,
+			default: { x: 'right', y: 'bottom' },
+		},
+		opacity: {
+			type: 'number' as const,
+			default: 0.75,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		watermark: {
+			type: 'texture' as const,
+			default: null,
+		},
+	},
+	main: ({ gl, u, params, textures }) => {
+		if (textures.watermark == null) {
+			return;
+		}
+
+		gl.activeTexture(gl.TEXTURE1);
+		gl.bindTexture(gl.TEXTURE_2D, textures.watermark.texture);
+		gl.uniform1i(u.texture_watermark, 1);
+
+		gl.uniform2fv(u.resolution_watermark, [textures.watermark.width, textures.watermark.height]);
+		gl.uniform1f(u.scale, params.scale);
+
+		gl.uniform1f(u.opacity, params.opacity);
+		gl.uniform1f(u.angle, params.angle);
+		gl.uniform1i(u.repeat, params.repeat ? 1 : 0);
+		gl.uniform1i(u.alignX, params.align.x === 'left' ? 0 : params.align.x === 'right' ? 2 : 1);
+		gl.uniform1i(u.alignY, params.align.y === 'top' ? 0 : params.align.y === 'bottom' ? 2 : 1);
+		gl.uniform1i(u.fitMode, params.cover ? 1 : 0);
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/zoomLines.ts b/packages/frontend/src/utility/image-effector/fxs/zoomLines.ts
new file mode 100644
index 0000000000..2613362a71
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/zoomLines.ts
@@ -0,0 +1,97 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform vec2 u_pos;
+uniform float u_frequency;
+uniform bool u_thresholdEnabled;
+uniform float u_threshold;
+uniform float u_maskSize;
+uniform bool u_black;
+out vec4 out_color;
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	float angle = atan(-u_pos.y + (in_uv.y), -u_pos.x + (in_uv.x));
+	float t = (1.0 + sin(angle * u_frequency)) / 2.0;
+	if (u_thresholdEnabled) t = t < u_threshold ? 1.0 : 0.0;
+	float d = distance(in_uv * vec2(2.0, 2.0), u_pos * vec2(2.0, 2.0));
+	float mask = d < u_maskSize ? 0.0 : ((d - u_maskSize) * (1.0 + (u_maskSize * 2.0)));
+	out_color = vec4(
+		mix(in_color.r, u_black ? 0.0 : 1.0, t * mask),
+		mix(in_color.g, u_black ? 0.0 : 1.0, t * mask),
+		mix(in_color.b, u_black ? 0.0 : 1.0, t * mask),
+		in_color.a
+	);
+}
+`;
+
+export const FX_zoomLines = defineImageEffectorFx({
+	id: 'zoomLines' as const,
+	name: i18n.ts._imageEffector._fxs.zoomLines,
+	shader,
+	uniforms: ['pos', 'frequency', 'thresholdEnabled', 'threshold', 'maskSize', 'black'] as const,
+	params: {
+		x: {
+			type: 'number' as const,
+			default: 0.0,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		y: {
+			type: 'number' as const,
+			default: 0.0,
+			min: -1.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		frequency: {
+			type: 'number' as const,
+			default: 30.0,
+			min: 1.0,
+			max: 200.0,
+			step: 0.1,
+		},
+		thresholdEnabled: {
+			type: 'boolean' as const,
+			default: true,
+		},
+		threshold: {
+			type: 'number' as const,
+			default: 0.2,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		maskSize: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0.0,
+			max: 1.0,
+			step: 0.01,
+		},
+		black: {
+			type: 'boolean' as const,
+			default: false,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform2f(u.pos, (1.0 + params.x) / 2.0, (1.0 + params.y) / 2.0);
+		gl.uniform1f(u.frequency, params.frequency);
+		gl.uniform1i(u.thresholdEnabled, params.thresholdEnabled ? 1 : 0);
+		gl.uniform1f(u.threshold, params.threshold);
+		gl.uniform1f(u.maskSize, params.maskSize);
+		gl.uniform1i(u.black, params.black ? 1 : 0);
+	},
+});
diff --git a/packages/frontend/src/utility/snowfall-effect.ts b/packages/frontend/src/utility/snowfall-effect.ts
index 5c86969876..65398e6a43 100644
--- a/packages/frontend/src/utility/snowfall-effect.ts
+++ b/packages/frontend/src/utility/snowfall-effect.ts
@@ -38,7 +38,7 @@ export class SnowfallEffect {
 	`;
 
 	private FRAGMENT_SOURCE = `#version 300 es
-		precision highp float;
+		precision mediump float;
 
 		in vec4 v_color;
 		in float v_rotation;
diff --git a/packages/frontend/src/utility/watermark.ts b/packages/frontend/src/utility/watermark.ts
new file mode 100644
index 0000000000..8ee93181a6
--- /dev/null
+++ b/packages/frontend/src/utility/watermark.ts
@@ -0,0 +1,180 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { FX_watermarkPlacement } from './image-effector/fxs/watermarkPlacement.js';
+import { FX_stripe } from './image-effector/fxs/stripe.js';
+import { FX_polkadot } from './image-effector/fxs/polkadot.js';
+import { FX_checker } from './image-effector/fxs/checker.js';
+import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
+import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
+
+export type WatermarkPreset = {
+	id: string;
+	name: string;
+	layers: ({
+		id: string;
+		type: 'text';
+		text: string;
+		repeat: boolean;
+		scale: number;
+		angle: number;
+		align: { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom' };
+		opacity: number;
+	} | {
+		id: string;
+		type: 'image';
+		imageUrl: string | null;
+		imageId: string | null;
+		cover: boolean;
+		repeat: boolean;
+		scale: number;
+		angle: number;
+		align: { x: 'left' | 'center' | 'right'; y: 'top' | 'center' | 'bottom' };
+		opacity: number;
+	} | {
+		id: string;
+		type: 'stripe';
+		angle: number;
+		frequency: number;
+		threshold: number;
+		color: [r: number, g: number, b: number];
+		opacity: number;
+	} | {
+		id: string;
+		type: 'polkadot';
+		angle: number;
+		scale: number;
+		majorRadius: number;
+		majorOpacity: number;
+		minorDivisions: number;
+		minorRadius: number;
+		minorOpacity: number;
+		color: [r: number, g: number, b: number];
+		opacity: number;
+	} | {
+		id: string;
+		type: 'checker';
+		angle: number;
+		scale: number;
+		color: [r: number, g: number, b: number];
+		opacity: number;
+	})[];
+};
+
+export class WatermarkRenderer {
+	private effector: ImageEffector;
+	private layers: WatermarkPreset['layers'] = [];
+
+	constructor(options: {
+		canvas: HTMLCanvasElement,
+		renderWidth: number,
+		renderHeight: number,
+		image: HTMLImageElement | ImageBitmap,
+	}) {
+		this.effector = new ImageEffector({
+			canvas: options.canvas,
+			renderWidth: options.renderWidth,
+			renderHeight: options.renderHeight,
+			image: options.image,
+			fxs: [FX_watermarkPlacement, FX_stripe, FX_polkadot, FX_checker],
+		});
+	}
+
+	private makeImageEffectorLayers(): ImageEffectorLayer[] {
+		return this.layers.map(layer => {
+			if (layer.type === 'text') {
+				return {
+					fxId: 'watermarkPlacement',
+					id: layer.id,
+					params: {
+						repeat: layer.repeat,
+						scale: layer.scale,
+						align: layer.align,
+						angle: layer.angle,
+						opacity: layer.opacity,
+						cover: false,
+						watermark: {
+							type: 'text',
+							text: layer.text,
+						},
+					},
+				};
+			} else if (layer.type === 'image') {
+				return {
+					fxId: 'watermarkPlacement',
+					id: layer.id,
+					params: {
+						repeat: layer.repeat,
+						scale: layer.scale,
+						align: layer.align,
+						angle: layer.angle,
+						opacity: layer.opacity,
+						cover: layer.cover,
+						watermark: {
+							type: 'url',
+							url: layer.imageUrl,
+						},
+					},
+				};
+			} else if (layer.type === 'stripe') {
+				return {
+					fxId: 'stripe',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						frequency: layer.frequency,
+						threshold: layer.threshold,
+						color: layer.color,
+						opacity: layer.opacity,
+					},
+				};
+			} else if (layer.type === 'polkadot') {
+				return {
+					fxId: 'polkadot',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						scale: layer.scale,
+						majorRadius: layer.majorRadius,
+						majorOpacity: layer.majorOpacity,
+						minorDivisions: layer.minorDivisions,
+						minorRadius: layer.minorRadius,
+						minorOpacity: layer.minorOpacity,
+						color: layer.color,
+						opacity: layer.opacity,
+					},
+				};
+			} else if (layer.type === 'checker') {
+				return {
+					fxId: 'checker',
+					id: layer.id,
+					params: {
+						angle: layer.angle,
+						scale: layer.scale,
+						color: layer.color,
+						opacity: layer.opacity,
+					},
+				};
+			}
+		});
+	}
+
+	public async setLayers(layers: WatermarkPreset['layers']) {
+		this.layers = layers;
+		await this.effector.setLayers(this.makeImageEffectorLayers());
+		this.render();
+	}
+
+	public render(): void {
+		this.effector.render();
+	}
+
+	/*
+	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
+	 */
+	public destroy(disposeCanvas = true): void {
+		this.effector.destroy(disposeCanvas);
+	}
+}
-- 
cgit v1.2.3-freya


From b43dfa260b1416da153d28bcd46a8bcbce02c18d Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Wed, 4 Jun 2025 16:22:09 +0900
Subject: fix/refactor(frontend): 画像編集機能の修正・型強化 (#16156)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* enhance: refine uploadFile

* fix: missing locale

* refactor: harden types

* refactor: シェーダーファイルをlazy-loadingできるように

* fix(frontend): omit console.log in production environment

* fix: glslのバージョン表記は最初の行になければならない

* fix: シェーダーの読み込みが完了してからレンダリングを行うように

* fix merge failure

* fix: ウォーターマークのプリセットがない場合にdividerが2重に表示される問題を修正

* fix: アップローダーダイアログの機能設定でウォーターマークが無効な場合でもデフォルトのプリセットが適用されてしまう問題を修正

* fix lint

* Revert "fix: シェーダーの読み込みが完了してからレンダリングを行うように"

This reverts commit e06f37a7d453ca581858252eae422d8a9e470dc3.

* Revert "fix: glslのバージョン表記は最初の行になければならない"

This reverts commit afcc37d886106c4acd545e4c2922e67f94e1037b.

* Revert "refactor: シェーダーファイルをlazy-loadingできるように"

This reverts commit a1ab2fa38c2b7485c069f9cd089bc7de59416c9d.

* fix: ウォーターマークのFX定義を分ける

* Update packages/frontend/src/components/MkWatermarkEditorDialog.vue

* Update packages/frontend/src/components/MkWatermarkEditorDialog.vue

* Update packages/frontend/src/components/MkWatermarkEditorDialog.vue

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>
---
 locales/index.d.ts                                 |  8 +++
 locales/ja-JP.yml                                  |  2 +
 .../frontend/src/components/MkFormDialog.file.vue  |  5 +-
 .../src/components/MkImageEffectorDialog.vue       |  3 +-
 packages/frontend/src/components/MkPostForm.vue    |  8 ++-
 .../frontend/src/components/MkUploaderDialog.vue   | 69 ++++++++++++++++------
 .../components/MkWatermarkEditorDialog.Layer.vue   | 17 ++++--
 .../src/components/MkWatermarkEditorDialog.vue     |  7 ++-
 packages/frontend/src/os.ts                        |  3 +
 .../admin/custom-emojis-manager.local.list.vue     |  5 +-
 packages/frontend/src/pages/channel-editor.vue     |  5 +-
 packages/frontend/src/pages/chat/room.form.vue     |  6 +-
 .../frontend/src/pages/custom-emojis-manager.vue   |  5 +-
 packages/frontend/src/pages/emoji-edit-dialog.vue  |  5 +-
 packages/frontend/src/pages/gallery/edit.vue       | 11 ++--
 .../frontend/src/pages/page-editor/page-editor.vue |  5 +-
 .../frontend/src/pages/settings/account-data.vue   | 25 ++++++--
 packages/frontend/src/pages/settings/deck.vue      |  5 +-
 .../frontend/src/pages/settings/sounds.sound.vue   |  6 +-
 packages/frontend/src/preferences/def.ts           |  2 +-
 packages/frontend/src/utility/drive.ts             | 26 +++++---
 .../src/utility/image-effector/ImageEffector.ts    | 14 ++---
 packages/frontend/src/utility/watermark.ts         | 23 +++++---
 23 files changed, 196 insertions(+), 69 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/locales/index.d.ts b/locales/index.d.ts
index 6f3d2b3853..17cdc7ca64 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -12049,6 +12049,14 @@ export interface Locale extends ILocale {
          * 保存せずに終了しますか？
          */
         "quitWithoutSaveConfirm": string;
+        /**
+         * このファイルは対応していません
+         */
+        "driveFileTypeWarn": string;
+        /**
+         * 画像ファイルを選択してください
+         */
+        "driveFileTypeWarnDescription": string;
         /**
          * ウォーターマークの編集
          */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index d4bd2c3116..ed1f5354df 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3227,6 +3227,8 @@ defaultPreset: "デフォルトのプリセット"
 _watermarkEditor:
   tip: "画像にクレジット情報などのウォーターマークを追加することができます。"
   quitWithoutSaveConfirm: "保存せずに終了しますか？"
+  driveFileTypeWarn: "このファイルは対応していません"
+  driveFileTypeWarnDescription: "画像ファイルを選択してください"
   title: "ウォーターマークの編集"
   cover: "全体に被せる"
   repeat: "敷き詰める"
diff --git a/packages/frontend/src/components/MkFormDialog.file.vue b/packages/frontend/src/components/MkFormDialog.file.vue
index a11075c342..182ff3ccf5 100644
--- a/packages/frontend/src/components/MkFormDialog.file.vue
+++ b/packages/frontend/src/components/MkFormDialog.file.vue
@@ -51,7 +51,10 @@ if (props.fileId) {
 }
 
 function selectButton(ev: MouseEvent) {
-	selectFile(ev.currentTarget ?? ev.target).then(async (file) => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	}).then(async (file) => {
 		if (!file) return;
 		if (props.validate && !await props.validate(file)) return;
 
diff --git a/packages/frontend/src/components/MkImageEffectorDialog.vue b/packages/frontend/src/components/MkImageEffectorDialog.vue
index 997dd4d528..42502ba449 100644
--- a/packages/frontend/src/components/MkImageEffectorDialog.vue
+++ b/packages/frontend/src/components/MkImageEffectorDialog.vue
@@ -77,6 +77,7 @@ const dialog = useTemplateRef('dialog');
 async function cancel() {
 	if (layers.length > 0) {
 		const { canceled } = await os.confirm({
+			type: 'warning',
 			text: i18n.ts._imageEffector.discardChangesConfirm,
 		});
 		if (canceled) return;
@@ -132,7 +133,7 @@ function onLayerDelete(layer: ImageEffectorLayer) {
 
 const canvasEl = useTemplateRef('canvasEl');
 
-let renderer: ImageEffector | null = null;
+let renderer: ImageEffector<typeof FXS> | null = null;
 let imageBitmap: ImageBitmap | null = null;
 
 onMounted(async () => {
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 982ed88003..cd4fabea02 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -120,7 +120,7 @@ import { formatTimeString } from '@/utility/format-time-string.js';
 import { Autocomplete } from '@/utility/autocomplete.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
-import { selectFiles } from '@/utility/drive.js';
+import { selectFile } from '@/utility/drive.js';
 import { store } from '@/store.js';
 import MkInfo from '@/components/MkInfo.vue';
 import { i18n } from '@/i18n.js';
@@ -437,7 +437,11 @@ function focus() {
 function chooseFileFrom(ev) {
 	if (props.mock) return;
 
-	selectFiles(ev.currentTarget ?? ev.target, i18n.ts.attachFile).then(files_ => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: true,
+		label: i18n.ts.attachFile,
+	}).then(files_ => {
 		for (const file of files_) {
 			files.value.push(file);
 		}
diff --git a/packages/frontend/src/components/MkUploaderDialog.vue b/packages/frontend/src/components/MkUploaderDialog.vue
index b2e4896ed3..4c4bc26bfd 100644
--- a/packages/frontend/src/components/MkUploaderDialog.vue
+++ b/packages/frontend/src/components/MkUploaderDialog.vue
@@ -79,8 +79,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 </MkModalWindow>
 </template>
 
+<script lang="ts">
+export type UploaderDialogFeatures = {
+	effect?: boolean;
+	watermark?: boolean;
+	crop?: boolean;
+};
+</script>
+
 <script lang="ts" setup>
-import { computed, defineAsyncComponent, markRaw, onMounted, onUnmounted, ref, triggerRef, useTemplateRef, watch } from 'vue';
+import { computed, markRaw, onMounted, onUnmounted, ref, triggerRef, useTemplateRef, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { genId } from '@/utility/id.js';
 import { readAndCompressImage } from '@misskey-dev/browser-image-resizer';
@@ -91,7 +99,6 @@ import { i18n } from '@/i18n.js';
 import { prefer } from '@/preferences.js';
 import MkButton from '@/components/MkButton.vue';
 import bytes from '@/filters/bytes.js';
-import MkSelect from '@/components/MkSelect.vue';
 import { isWebpSupported } from '@/utility/isWebpSupported.js';
 import { uploadFile, UploadAbortedError } from '@/utility/drive.js';
 import * as os from '@/os.js';
@@ -131,17 +138,26 @@ const props = withDefaults(defineProps<{
 	files: File[];
 	folderId?: string | null;
 	multiple?: boolean;
+	features?: UploaderDialogFeatures;
 }>(), {
 	multiple: true,
 });
 
+const uploaderFeatures = computed<Required<UploaderDialogFeatures>>(() => {
+	return {
+		effect: props.features?.effect ?? true,
+		watermark: props.features?.watermark ?? true,
+		crop: props.features?.crop ?? true,
+	};
+});
+
 const emit = defineEmits<{
 	(ev: 'done', driveFiles: Misskey.entities.DriveFile[]): void;
 	(ev: 'canceled'): void;
 	(ev: 'closed'): void;
 }>();
 
-const items = ref<{
+type UploaderItem = {
 	id: string;
 	name: string;
 	uploadName?: string;
@@ -152,13 +168,15 @@ const items = ref<{
 	uploaded: Misskey.entities.DriveFile | null;
 	uploadFailed: boolean;
 	aborted: boolean;
-	compressionLevel: number;
+	compressionLevel: 0 | 1 | 2 | 3;
 	compressedSize?: number | null;
 	preprocessedFile?: Blob | null;
 	file: File;
 	watermarkPresetId: string | null;
 	abort?: (() => void) | null;
-}[]>([]);
+};
+
+const items = ref<UploaderItem[]>([]);
 
 const dialog = useTemplateRef('dialog');
 
@@ -252,7 +270,7 @@ async function done() {
 	dialog.value?.close();
 }
 
-function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
+function showMenu(ev: MouseEvent, item: UploaderItem) {
 	const menu: MenuItem[] = [];
 
 	menu.push({
@@ -272,7 +290,13 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 		},
 	});
 
-	if (CROPPING_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+	if (
+		uploaderFeatures.value.crop &&
+		CROPPING_SUPPORTED_TYPES.includes(item.file.type) &&
+		!item.preprocessing &&
+		!item.uploading &&
+		!item.uploaded
+	) {
 		menu.push({
 			icon: 'ti ti-crop',
 			text: i18n.ts.cropImage,
@@ -292,7 +316,13 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 		});
 	}
 
-	if (IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+	if (
+		uploaderFeatures.value.effect &&
+		IMAGE_EDITING_SUPPORTED_TYPES.includes(item.file.type) &&
+		!item.preprocessing &&
+		!item.uploading &&
+		!item.uploaded
+	) {
 		menu.push({
 			icon: 'ti ti-sparkles',
 			text: i18n.ts._imageEffector.title + ' (BETA)',
@@ -318,7 +348,13 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 		});
 	}
 
-	if (WATERMARK_SUPPORTED_TYPES.includes(item.file.type) && !item.preprocessing && !item.uploading && !item.uploaded) {
+	if (
+		uploaderFeatures.value.watermark &&
+		WATERMARK_SUPPORTED_TYPES.includes(item.file.type) &&
+		!item.preprocessing &&
+		!item.uploading &&
+		!item.uploaded
+	) {
 		function changeWatermarkPreset(presetId: string | null) {
 			item.watermarkPresetId = presetId;
 			preprocess(item).then(() => {
@@ -338,13 +374,13 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 			}, {
 				type: 'divider',
 			}, ...prefer.s.watermarkPresets.map(preset => ({
-				type: 'radioOption',
+				type: 'radioOption' as const,
 				text: preset.name,
 				active: computed(() => item.watermarkPresetId === preset.id),
 				action: () => changeWatermarkPreset(preset.id),
-			})), {
-				type: 'divider',
-			}, {
+			})), ...(prefer.s.watermarkPresets.length > 0 ? [{
+				type: 'divider' as const,
+			}] : []), {
 				type: 'button',
 				icon: 'ti ti-plus',
 				text: i18n.ts.add,
@@ -397,8 +433,7 @@ function showMenu(ev: MouseEvent, item: typeof items.value[0]) {
 				text: i18n.ts.high,
 				active: computed(() => item.compressionLevel === 3),
 				action: () => changeCompressionLevel(3),
-			},
-			],
+			}],
 		});
 	}
 
@@ -590,9 +625,9 @@ function initializeFile(file: File) {
 		uploaded: null,
 		uploadFailed: false,
 		compressionLevel: prefer.s.defaultImageCompressionLevel,
-		watermarkPresetId: prefer.s.defaultWatermarkPresetId,
+		watermarkPresetId: uploaderFeatures.value.watermark ? prefer.s.defaultWatermarkPresetId : null,
 		file: markRaw(file),
-	};
+	} satisfies UploaderItem;
 	items.value.push(item);
 	preprocess(item).then(() => {
 		triggerRef(items);
diff --git a/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue b/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
index 10de04c16a..11ae091d90 100644
--- a/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.Layer.vue
@@ -262,10 +262,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script setup lang="ts">
-import { ref, useTemplateRef, watch, onMounted, onUnmounted } from 'vue';
+import { ref, onMounted } from 'vue';
+import * as Misskey from 'misskey-js';
 import type { WatermarkPreset } from '@/utility/watermark.js';
 import { i18n } from '@/i18n.js';
-import MkSelect from '@/components/MkSelect.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
@@ -275,11 +275,10 @@ import MkPositionSelector from '@/components/MkPositionSelector.vue';
 import * as os from '@/os.js';
 import { selectFile } from '@/utility/drive.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
-import { prefer } from '@/preferences.js';
 
 const layer = defineModel<WatermarkPreset['layers'][number]>('layer', { required: true });
 
-const driveFile = ref();
+const driveFile = ref<Misskey.entities.DriveFile | null>(null);
 const driveFileError = ref(false);
 onMounted(async () => {
 	if (layer.value.type === 'image' && layer.value.imageId != null) {
@@ -294,7 +293,15 @@ onMounted(async () => {
 });
 
 function chooseFile(ev: MouseEvent) {
-	selectFile(ev.currentTarget ?? ev.target, i18n.ts.selectFile).then((file) => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+		label: i18n.ts.selectFile,
+		features: {
+			watermark: false,
+		},
+	}).then((file) => {
+		if (layer.value.type !== 'image') return;
 		if (!file.type.startsWith('image')) {
 			os.alert({
 				type: 'warning',
diff --git a/packages/frontend/src/components/MkWatermarkEditorDialog.vue b/packages/frontend/src/components/MkWatermarkEditorDialog.vue
index 4cfb4a72bc..206298b194 100644
--- a/packages/frontend/src/components/MkWatermarkEditorDialog.vue
+++ b/packages/frontend/src/components/MkWatermarkEditorDialog.vue
@@ -124,7 +124,7 @@ function createStripeLayer(): WatermarkPreset['layers'][number] {
 		angle: 0.5,
 		frequency: 10,
 		threshold: 0.1,
-		black: false,
+		color: [1, 1, 1],
 		opacity: 0.75,
 	};
 }
@@ -140,7 +140,7 @@ function createPolkadotLayer(): WatermarkPreset['layers'][number] {
 		majorOpacity: 0.75,
 		minorOpacity: 0.5,
 		minorDivisions: 4,
-		black: false,
+		color: [1, 1, 1],
 		opacity: 0.75,
 	};
 }
@@ -151,7 +151,7 @@ function createCheckerLayer(): WatermarkPreset['layers'][number] {
 		type: 'checker',
 		angle: 0.5,
 		scale: 3,
-		black: false,
+		color: [1, 1, 1],
 		opacity: 0.75,
 	};
 }
@@ -177,6 +177,7 @@ const dialog = useTemplateRef('dialog');
 
 async function cancel() {
 	const { canceled } = await os.confirm({
+		type: 'question',
 		text: i18n.ts._watermarkEditor.quitWithoutSaveConfirm,
 	});
 	if (canceled) return;
diff --git a/packages/frontend/src/os.ts b/packages/frontend/src/os.ts
index be247f96c4..83ad0ebdf9 100644
--- a/packages/frontend/src/os.ts
+++ b/packages/frontend/src/os.ts
@@ -13,6 +13,7 @@ import type { ComponentProps as CP } from 'vue-component-type-helpers';
 import type { Form, GetFormResultType } from '@/utility/form.js';
 import type { MenuItem } from '@/types/menu.js';
 import type { PostFormProps } from '@/types/post-form.js';
+import type { UploaderDialogFeatures } from '@/components/MkUploaderDialog.vue';
 import type MkRoleSelectDialog_TypeReferenceOnly from '@/components/MkRoleSelectDialog.vue';
 import type MkEmojiPickerDialog_TypeReferenceOnly from '@/components/MkEmojiPickerDialog.vue';
 import { misskeyApi } from '@/utility/misskey-api.js';
@@ -836,6 +837,7 @@ export function launchUploader(
 	options?: {
 		folderId?: string | null;
 		multiple?: boolean;
+		features?: UploaderDialogFeatures;
 	},
 ): Promise<Misskey.entities.DriveFile[]> {
 	return new Promise(async (res, rej) => {
@@ -844,6 +846,7 @@ export function launchUploader(
 			files: markRaw(files),
 			folderId: options?.folderId,
 			multiple: options?.multiple,
+			features: options?.features,
 		}, {
 			done: driveFiles => {
 				if (driveFiles.length === 0) return rej();
diff --git a/packages/frontend/src/pages/admin/custom-emojis-manager.local.list.vue b/packages/frontend/src/pages/admin/custom-emojis-manager.local.list.vue
index 4c2c26ec45..a380bd133e 100644
--- a/packages/frontend/src/pages/admin/custom-emojis-manager.local.list.vue
+++ b/packages/frontend/src/pages/admin/custom-emojis-manager.local.list.vue
@@ -174,7 +174,10 @@ function setupGrid(): GridSetting {
 			{
 				bindTo: 'url', icon: 'ti-icons', type: 'image', editable: true, width: 'auto', validators: [required],
 				async customValueEditor(row, col, value, cellElement) {
-					const file = await selectFile(cellElement);
+					const file = await selectFile({
+						anchorElement: cellElement,
+						multiple: false,
+					});
 					gridItems.value[row.index].url = file.url;
 					gridItems.value[row.index].fileId = file.id;
 
diff --git a/packages/frontend/src/pages/channel-editor.vue b/packages/frontend/src/pages/channel-editor.vue
index 355b5464a1..72281ea882 100644
--- a/packages/frontend/src/pages/channel-editor.vue
+++ b/packages/frontend/src/pages/channel-editor.vue
@@ -188,7 +188,10 @@ async function archive() {
 }
 
 function setBannerImage(evt) {
-	selectFile(evt.currentTarget ?? evt.target, null).then(file => {
+	selectFile({
+		anchorElement: evt.currentTarget ?? evt.target,
+		multiple: false,
+	}).then(file => {
 		bannerId.value = file.id;
 	});
 }
diff --git a/packages/frontend/src/pages/chat/room.form.vue b/packages/frontend/src/pages/chat/room.form.vue
index 7e3be67230..17b68d6eb9 100644
--- a/packages/frontend/src/pages/chat/room.form.vue
+++ b/packages/frontend/src/pages/chat/room.form.vue
@@ -168,7 +168,11 @@ function onKeydown(ev: KeyboardEvent) {
 }
 
 function chooseFile(ev: MouseEvent) {
-	selectFile(ev.currentTarget ?? ev.target, i18n.ts.selectFile).then(selectedFile => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+		label: i18n.ts.selectFile,
+	}).then(selectedFile => {
 		file.value = selectedFile;
 	});
 }
diff --git a/packages/frontend/src/pages/custom-emojis-manager.vue b/packages/frontend/src/pages/custom-emojis-manager.vue
index 5aba0f68a3..36d638b210 100644
--- a/packages/frontend/src/pages/custom-emojis-manager.vue
+++ b/packages/frontend/src/pages/custom-emojis-manager.vue
@@ -214,7 +214,10 @@ const menu = (ev: MouseEvent) => {
 		icon: 'ti ti-upload',
 		text: i18n.ts.import,
 		action: async () => {
-			const file = await selectFile(ev.currentTarget ?? ev.target);
+			const file = await selectFile({
+				anchorElement: ev.currentTarget ?? ev.target,
+				multiple: false,
+			});
 			misskeyApi('admin/emoji/import-zip', {
 				fileId: file.id,
 			})
diff --git a/packages/frontend/src/pages/emoji-edit-dialog.vue b/packages/frontend/src/pages/emoji-edit-dialog.vue
index 41de457427..b4fc4a46d9 100644
--- a/packages/frontend/src/pages/emoji-edit-dialog.vue
+++ b/packages/frontend/src/pages/emoji-edit-dialog.vue
@@ -121,7 +121,10 @@ watch(roleIdsThatCanBeUsedThisEmojiAsReaction, async () => {
 const imgUrl = computed(() => file.value ? file.value.url : props.emoji ? props.emoji.url : null);
 
 async function changeImage(ev: Event) {
-	file.value = await selectFile(ev.currentTarget ?? ev.target, null);
+	file.value = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	const candidate = file.value.name.replace(/\.(.+)$/, '');
 	if (candidate.match(/^[a-z0-9_]+$/)) {
 		name.value = candidate;
diff --git a/packages/frontend/src/pages/gallery/edit.vue b/packages/frontend/src/pages/gallery/edit.vue
index 1b8c14a156..9c0078e15a 100644
--- a/packages/frontend/src/pages/gallery/edit.vue
+++ b/packages/frontend/src/pages/gallery/edit.vue
@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<div class="name">{{ file.name }}</div>
 					<button v-tooltip="i18n.ts.remove" class="remove _button" @click="remove(file)"><i class="ti ti-x"></i></button>
 				</div>
-				<MkButton primary @click="selectFile"><i class="ti ti-plus"></i> {{ i18n.ts.attachFile }}</MkButton>
+				<MkButton primary @click="chooseFile"><i class="ti ti-plus"></i> {{ i18n.ts.attachFile }}</MkButton>
 			</div>
 
 			<MkSwitch v-model="isSensitive">{{ i18n.ts.markAsSensitive }}</MkSwitch>
@@ -44,7 +44,7 @@ import MkInput from '@/components/MkInput.vue';
 import MkTextarea from '@/components/MkTextarea.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import FormSuspense from '@/components/form/suspense.vue';
-import { selectFiles } from '@/utility/drive.js';
+import { selectFile } from '@/utility/drive.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { definePage } from '@/page.js';
@@ -63,8 +63,11 @@ const description = ref<string | null>(null);
 const title = ref<string | null>(null);
 const isSensitive = ref(false);
 
-function selectFile(evt) {
-	selectFiles(evt.currentTarget ?? evt.target, null).then(selected => {
+function chooseFile(evt) {
+	selectFile({
+		anchorElement: evt.currentTarget ?? evt.target,
+		multiple: true,
+	}).then(selected => {
 		files.value = files.value.concat(selected);
 	});
 }
diff --git a/packages/frontend/src/pages/page-editor/page-editor.vue b/packages/frontend/src/pages/page-editor/page-editor.vue
index 05eb0bd9d2..8a9b9a9b08 100644
--- a/packages/frontend/src/pages/page-editor/page-editor.vue
+++ b/packages/frontend/src/pages/page-editor/page-editor.vue
@@ -205,7 +205,10 @@ async function add() {
 }
 
 function setEyeCatchingImage(img: Event) {
-	selectFile(img.currentTarget ?? img.target, null).then(file => {
+	selectFile({
+		anchorElement: img.currentTarget ?? img.target,
+		multiple: false,
+	}).then(file => {
 		eyeCatchingImageId.value = file.id;
 	});
 }
diff --git a/packages/frontend/src/pages/settings/account-data.vue b/packages/frontend/src/pages/settings/account-data.vue
index d175c0dc32..5a00d7a9d7 100644
--- a/packages/frontend/src/pages/settings/account-data.vue
+++ b/packages/frontend/src/pages/settings/account-data.vue
@@ -233,7 +233,10 @@ const exportAntennas = () => {
 };
 
 const importFollowing = async (ev) => {
-	const file = await selectFile(ev.currentTarget ?? ev.target);
+	const file = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	misskeyApi('i/import-following', {
 		fileId: file.id,
 		withReplies: withReplies.value,
@@ -241,22 +244,34 @@ const importFollowing = async (ev) => {
 };
 
 const importUserLists = async (ev) => {
-	const file = await selectFile(ev.currentTarget ?? ev.target);
+	const file = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	misskeyApi('i/import-user-lists', { fileId: file.id }).then(onImportSuccess).catch(onError);
 };
 
 const importMuting = async (ev) => {
-	const file = await selectFile(ev.currentTarget ?? ev.target);
+	const file = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	misskeyApi('i/import-muting', { fileId: file.id }).then(onImportSuccess).catch(onError);
 };
 
 const importBlocking = async (ev) => {
-	const file = await selectFile(ev.currentTarget ?? ev.target);
+	const file = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	misskeyApi('i/import-blocking', { fileId: file.id }).then(onImportSuccess).catch(onError);
 };
 
 const importAntennas = async (ev) => {
-	const file = await selectFile(ev.currentTarget ?? ev.target);
+	const file = await selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	});
 	misskeyApi('i/import-antennas', { fileId: file.id }).then(onImportSuccess).catch(onError);
 };
 
diff --git a/packages/frontend/src/pages/settings/deck.vue b/packages/frontend/src/pages/settings/deck.vue
index 22bd8cbc80..ae882d1ee2 100644
--- a/packages/frontend/src/pages/settings/deck.vue
+++ b/packages/frontend/src/pages/settings/deck.vue
@@ -114,7 +114,10 @@ watch(wallpaper, async () => {
 });
 
 function setWallpaper(ev: MouseEvent) {
-	selectFile(ev.currentTarget ?? ev.target, null).then(file => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+	}).then(file => {
 		wallpaper.value = file.url;
 	});
 }
diff --git a/packages/frontend/src/pages/settings/sounds.sound.vue b/packages/frontend/src/pages/settings/sounds.sound.vue
index ffbbefa122..7aad43b1d0 100644
--- a/packages/frontend/src/pages/settings/sounds.sound.vue
+++ b/packages/frontend/src/pages/settings/sounds.sound.vue
@@ -94,7 +94,11 @@ const friendlyFileName = computed<string>(() => {
 });
 
 function selectSound(ev) {
-	selectFile(ev.currentTarget ?? ev.target, i18n.ts._soundSettings.driveFile).then(async (file) => {
+	selectFile({
+		anchorElement: ev.currentTarget ?? ev.target,
+		multiple: false,
+		label: i18n.ts._soundSettings.driveFile,
+	}).then(async (file) => {
 		if (!file.type.startsWith('audio')) {
 			os.alert({
 				type: 'warning',
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index 727b79e045..a83a3153d0 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -422,7 +422,7 @@ export const PREF_DEF = definePreferences({
 		default: null as WatermarkPreset['id'] | null,
 	},
 	defaultImageCompressionLevel: {
-		default: 2,
+		default: 2 as 0 | 1 | 2 | 3,
 	},
 
 	'sound.masterVolume': {
diff --git a/packages/frontend/src/utility/drive.ts b/packages/frontend/src/utility/drive.ts
index 0e10f80145..bc1813f48c 100644
--- a/packages/frontend/src/utility/drive.ts
+++ b/packages/frontend/src/utility/drive.ts
@@ -16,6 +16,7 @@ import { instance } from '@/instance.js';
 import { globalEvents } from '@/events.js';
 import { getProxiedImageUrl } from '@/utility/media-proxy.js';
 import { genId } from '@/utility/id.js';
+import type { UploaderDialogFeatures } from '@/components/MkUploaderDialog.vue';
 
 type UploadReturnType = {
 	filePromise: Promise<Misskey.entities.DriveFile>;
@@ -155,6 +156,7 @@ export function uploadFile(file: File | Blob, options: {
 export function chooseFileFromPcAndUpload(
 	options: {
 		multiple?: boolean;
+		features?: UploaderDialogFeatures;
 		folderId?: string | null;
 	} = {},
 ): Promise<Misskey.entities.DriveFile[]> {
@@ -163,6 +165,7 @@ export function chooseFileFromPcAndUpload(
 			if (files.length === 0) return;
 			os.launchUploader(files, {
 				folderId: options.folderId,
+				features: options.features,
 			}).then(driveFiles => {
 				res(driveFiles);
 			});
@@ -194,7 +197,7 @@ export function chooseFileFromUrl(): Promise<Misskey.entities.DriveFile> {
 			type: 'url',
 			placeholder: i18n.ts.uploadFromUrlDescription,
 		}).then(({ canceled, result: url }) => {
-			if (canceled) return;
+			if (canceled || url == null) return;
 
 			const marker = genId();
 
@@ -221,7 +224,7 @@ export function chooseFileFromUrl(): Promise<Misskey.entities.DriveFile> {
 	});
 }
 
-function select(anchorElement: HTMLElement | EventTarget | null, label: string | null, multiple: boolean): Promise<Misskey.entities.DriveFile[]> {
+function select(anchorElement: HTMLElement | EventTarget | null, label: string | null, multiple: boolean, features?: UploaderDialogFeatures): Promise<Misskey.entities.DriveFile[]> {
 	return new Promise((res, rej) => {
 		os.popupMenu([label ? {
 			text: label,
@@ -229,7 +232,7 @@ function select(anchorElement: HTMLElement | EventTarget | null, label: string |
 		} : undefined, {
 			text: i18n.ts.upload,
 			icon: 'ti ti-upload',
-			action: () => chooseFileFromPcAndUpload({ multiple }).then(files => res(files)),
+			action: () => chooseFileFromPcAndUpload({ multiple, features }).then(files => res(files)),
 		}, {
 			text: i18n.ts.fromDrive,
 			icon: 'ti ti-cloud',
@@ -242,12 +245,19 @@ function select(anchorElement: HTMLElement | EventTarget | null, label: string |
 	});
 }
 
-export function selectFile(anchorElement: HTMLElement | EventTarget | null, label: string | null = null): Promise<Misskey.entities.DriveFile> {
-	return select(anchorElement, label, false).then(files => files[0]);
-}
+type SelectFileOptions<M extends boolean> = {
+	anchorElement: HTMLElement | EventTarget | null;
+	multiple: M;
+	label?: string | null;
+	features?: UploaderDialogFeatures;
+};
 
-export function selectFiles(anchorElement: HTMLElement | EventTarget | null, label: string | null = null): Promise<Misskey.entities.DriveFile[]> {
-	return select(anchorElement, label, true);
+export async function selectFile<
+	M extends boolean,
+	MR extends M extends true ? Misskey.entities.DriveFile[] : Misskey.entities.DriveFile
+>(opts: SelectFileOptions<M>): Promise<MR> {
+	const files = await select(opts.anchorElement, opts.label ?? null, opts.multiple ?? false, opts.features);
+	return opts.multiple ? (files as MR) : (files[0]! as MR);
 }
 
 export async function createCroppedImageDriveFileFromImageDriveFile(imageDriveFile: Misskey.entities.DriveFile, options: {
diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index fe253017e5..80e3ff65de 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -57,7 +57,7 @@ function getValue<T extends keyof ParamTypeToPrimitive>(params: Record<string, a
 	return params[k];
 }
 
-export class ImageEffector {
+export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, any>>> {
 	private gl: WebGL2RenderingContext;
 	private canvas: HTMLCanvasElement | null = null;
 	private renderTextureProgram: WebGLProgram;
@@ -70,7 +70,7 @@ export class ImageEffector {
 	private shaderCache: Map<string, WebGLProgram> = new Map();
 	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
 	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
-	private fxs: ImageEffectorFx[];
+	private fxs: [...IEX];
 	private paramTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
 
 	constructor(options: {
@@ -78,7 +78,7 @@ export class ImageEffector {
 		renderWidth: number;
 		renderHeight: number;
 		image: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
-		fxs: ImageEffectorFx[];
+		fxs: [...IEX];
 	}) {
 		this.canvas = options.canvas;
 		this.renderWidth = options.renderWidth;
@@ -230,7 +230,7 @@ export class ImageEffector {
 			gl: gl,
 			program: shaderProgram,
 			params: Object.fromEntries(
-				Object.entries(fx.params).map(([key, param]) => {
+				Object.entries(fx.params as ImageEffectorFxParamDefs).map(([key, param]) => {
 					return [key, layer.params[key] ?? param.default];
 				}),
 			),
@@ -238,7 +238,7 @@ export class ImageEffector {
 			width: this.renderWidth,
 			height: this.renderHeight,
 			textures: Object.fromEntries(
-				Object.entries(fx.params).map(([k, v]) => {
+				Object.entries(fx.params as ImageEffectorFxParamDefs).map(([k, v]) => {
 					if (v.type !== 'texture') return [k, null];
 					const param = getValue<typeof v.type>(layer.params, k);
 					if (param == null) return [k, null];
@@ -329,7 +329,7 @@ export class ImageEffector {
 				unused.delete(textureKey);
 				if (this.paramTextures.has(textureKey)) continue;
 
-				console.log(`Baking texture of <${textureKey}>...`);
+				if (_DEV_) console.log(`Baking texture of <${textureKey}>...`);
 
 				const texture = v.type === 'text' ? await createTextureFromText(this.gl, v.text) : v.type === 'url' ? await createTextureFromUrl(this.gl, v.url) : null;
 				if (texture == null) continue;
@@ -339,7 +339,7 @@ export class ImageEffector {
 		}
 
 		for (const k of unused) {
-			console.log(`Dispose unused texture <${k}>...`);
+			if (_DEV_) console.log(`Dispose unused texture <${k}>...`);
 			this.gl.deleteTexture(this.paramTextures.get(k)!.texture);
 			this.paramTextures.delete(k);
 		}
diff --git a/packages/frontend/src/utility/watermark.ts b/packages/frontend/src/utility/watermark.ts
index 8ee93181a6..f0b38684f0 100644
--- a/packages/frontend/src/utility/watermark.ts
+++ b/packages/frontend/src/utility/watermark.ts
@@ -3,13 +3,20 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { FX_watermarkPlacement } from './image-effector/fxs/watermarkPlacement.js';
-import { FX_stripe } from './image-effector/fxs/stripe.js';
-import { FX_polkadot } from './image-effector/fxs/polkadot.js';
-import { FX_checker } from './image-effector/fxs/checker.js';
-import type { ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
+import { FX_watermarkPlacement } from '@/utility/image-effector/fxs/watermarkPlacement.js';
+import { FX_stripe } from '@/utility/image-effector/fxs/stripe.js';
+import { FX_polkadot } from '@/utility/image-effector/fxs/polkadot.js';
+import { FX_checker } from '@/utility/image-effector/fxs/checker.js';
+import type { ImageEffectorFx, ImageEffectorLayer } from '@/utility/image-effector/ImageEffector.js';
 import { ImageEffector } from '@/utility/image-effector/ImageEffector.js';
 
+const WATERMARK_FXS = [
+	FX_watermarkPlacement,
+	FX_stripe,
+	FX_polkadot,
+	FX_checker,
+] as const satisfies ImageEffectorFx<string, any>[];
+
 export type WatermarkPreset = {
 	id: string;
 	name: string;
@@ -64,7 +71,7 @@ export type WatermarkPreset = {
 };
 
 export class WatermarkRenderer {
-	private effector: ImageEffector;
+	private effector: ImageEffector<typeof WATERMARK_FXS>;
 	private layers: WatermarkPreset['layers'] = [];
 
 	constructor(options: {
@@ -78,7 +85,7 @@ export class WatermarkRenderer {
 			renderWidth: options.renderWidth,
 			renderHeight: options.renderHeight,
 			image: options.image,
-			fxs: [FX_watermarkPlacement, FX_stripe, FX_polkadot, FX_checker],
+			fxs: WATERMARK_FXS,
 		});
 	}
 
@@ -157,6 +164,8 @@ export class WatermarkRenderer {
 						opacity: layer.opacity,
 					},
 				};
+			} else {
+				throw new Error(`Unknown layer type`);
 			}
 		});
 	}
-- 
cgit v1.2.3-freya


From 2a78360588f48fcc4345ac3b5bfab0d438251086 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 5 Jun 2025 12:25:22 +0900
Subject: refactor(frontend): refactor ImageEffector

---
 .../src/utility/image-effector/ImageEffector.ts    | 47 ++--------------------
 packages/frontend/src/utility/webgl.ts             | 40 ++++++++++++++++++
 2 files changed, 44 insertions(+), 43 deletions(-)
 create mode 100644 packages/frontend/src/utility/webgl.ts

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index 80e3ff65de..c65346f848 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -4,6 +4,7 @@
  */
 
 import { getProxiedImageUrl } from '../media-proxy.js';
+import { initShaderProgram } from '../webgl.js';
 
 type ParamTypeToPrimitive = {
 	'number': number;
@@ -114,7 +115,7 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.originalImage.width, this.originalImage.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
 		gl.bindTexture(gl.TEXTURE_2D, null);
 
-		this.renderTextureProgram = this.initShaderProgram(`#version 300 es
+		this.renderTextureProgram = initShaderProgram(this.gl, `#version 300 es
 			in vec2 position;
 			out vec2 in_uv;
 
@@ -134,7 +135,7 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 			}
 		`);
 
-		this.renderInvertedTextureProgram = this.initShaderProgram(`#version 300 es
+		this.renderInvertedTextureProgram = initShaderProgram(this.gl, `#version 300 es
 			in vec2 position;
 			out vec2 in_uv;
 
@@ -156,46 +157,6 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		`);
 	}
 
-	public loadShader(type: GLenum, source: string): WebGLShader {
-		const gl = this.gl;
-
-		const shader = gl.createShader(type);
-		if (shader == null) {
-			throw new Error('falied to create shader');
-		}
-
-		gl.shaderSource(shader, source);
-		gl.compileShader(shader);
-
-		if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
-			console.error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
-			gl.deleteShader(shader);
-			throw new Error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
-		}
-
-		return shader;
-	}
-
-	public initShaderProgram(vsSource: string, fsSource: string): WebGLProgram {
-		const gl = this.gl;
-
-		const vertexShader = this.loadShader(gl.VERTEX_SHADER, vsSource);
-		const fragmentShader = this.loadShader(gl.FRAGMENT_SHADER, fsSource);
-
-		const shaderProgram = gl.createProgram();
-
-		gl.attachShader(shaderProgram, vertexShader);
-		gl.attachShader(shaderProgram, fragmentShader);
-		gl.linkProgram(shaderProgram);
-
-		if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
-			console.error(`failed to init shader: ${gl.getProgramInfoLog(shaderProgram)}`);
-			throw new Error('failed to init shader');
-		}
-
-		return shaderProgram;
-	}
-
 	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture) {
 		const gl = this.gl;
 
@@ -203,7 +164,7 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		if (fx == null) return;
 
 		const cachedShader = this.shaderCache.get(fx.id);
-		const shaderProgram = cachedShader ?? this.initShaderProgram(`#version 300 es
+		const shaderProgram = cachedShader ?? initShaderProgram(this.gl, `#version 300 es
 			in vec2 position;
 			out vec2 in_uv;
 
diff --git a/packages/frontend/src/utility/webgl.ts b/packages/frontend/src/utility/webgl.ts
new file mode 100644
index 0000000000..ae595b605c
--- /dev/null
+++ b/packages/frontend/src/utility/webgl.ts
@@ -0,0 +1,40 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export function loadShader(gl: WebGL2RenderingContext, type: GLenum, source: string): WebGLShader {
+	const shader = gl.createShader(type);
+	if (shader == null) {
+		throw new Error('falied to create shader');
+	}
+
+	gl.shaderSource(shader, source);
+	gl.compileShader(shader);
+
+	if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
+		console.error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
+		gl.deleteShader(shader);
+		throw new Error(`falied to compile shader: ${gl.getShaderInfoLog(shader)}`);
+	}
+
+	return shader;
+}
+
+export function initShaderProgram(gl: WebGL2RenderingContext, vsSource: string, fsSource: string): WebGLProgram {
+	const vertexShader = loadShader(gl, gl.VERTEX_SHADER, vsSource);
+	const fragmentShader = loadShader(gl, gl.FRAGMENT_SHADER, fsSource);
+
+	const shaderProgram = gl.createProgram();
+
+	gl.attachShader(shaderProgram, vertexShader);
+	gl.attachShader(shaderProgram, fragmentShader);
+	gl.linkProgram(shaderProgram);
+
+	if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
+		console.error(`failed to init shader: ${gl.getProgramInfoLog(shaderProgram)}`);
+		throw new Error('failed to init shader');
+	}
+
+	return shaderProgram;
+}
-- 
cgit v1.2.3-freya


From c6808f1eb6ab3a3f0a5bb6f1931c908dc87eeeac Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 5 Jun 2025 12:58:32 +0900
Subject: refactor(frontend): refactor ImageEffector

---
 .../src/utility/image-effector/ImageEffector.ts    | 109 +++++----------------
 1 file changed, 25 insertions(+), 84 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index c65346f848..1f5135a647 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -61,8 +61,6 @@ function getValue<T extends keyof ParamTypeToPrimitive>(params: Record<string, a
 export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, any>>> {
 	private gl: WebGL2RenderingContext;
 	private canvas: HTMLCanvasElement | null = null;
-	private renderTextureProgram: WebGLProgram;
-	private renderInvertedTextureProgram: WebGLProgram;
 	private renderWidth: number;
 	private renderHeight: number;
 	private originalImage: ImageData | ImageBitmap | HTMLImageElement | HTMLCanvasElement;
@@ -114,50 +112,9 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
 		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.originalImage.width, this.originalImage.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
 		gl.bindTexture(gl.TEXTURE_2D, null);
-
-		this.renderTextureProgram = initShaderProgram(this.gl, `#version 300 es
-			in vec2 position;
-			out vec2 in_uv;
-
-			void main() {
-				in_uv = (position + 1.0) / 2.0;
-				gl_Position = vec4(position, 0.0, 1.0);
-			}
-		`, `#version 300 es
-			precision mediump float;
-
-			in vec2 in_uv;
-			uniform sampler2D u_texture;
-			out vec4 out_color;
-
-			void main() {
-				out_color = texture(u_texture, in_uv);
-			}
-		`);
-
-		this.renderInvertedTextureProgram = initShaderProgram(this.gl, `#version 300 es
-			in vec2 position;
-			out vec2 in_uv;
-
-			void main() {
-				in_uv = (position + 1.0) / 2.0;
-				in_uv.y = 1.0 - in_uv.y;
-				gl_Position = vec4(position, 0.0, 1.0);
-			}
-		`, `#version 300 es
-			precision mediump float;
-
-			in vec2 in_uv;
-			uniform sampler2D u_texture;
-			out vec4 out_color;
-
-			void main() {
-				out_color = texture(u_texture, in_uv);
-			}
-		`);
 	}
 
-	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture) {
+	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture, invert = false) {
 		const gl = this.gl;
 
 		const fx = this.fxs.find(fx => fx.id === layer.fxId);
@@ -166,11 +123,12 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		const cachedShader = this.shaderCache.get(fx.id);
 		const shaderProgram = cachedShader ?? initShaderProgram(this.gl, `#version 300 es
 			in vec2 position;
+			uniform bool u_invert;
 			out vec2 in_uv;
 
 			void main() {
 				in_uv = (position + 1.0) / 2.0;
-				gl_Position = vec4(position, 0.0, 1.0);
+				gl_Position = u_invert ? vec4(position * vec2(1.0, -1.0), 0.0, 1.0) : vec4(position, 0.0, 1.0);
 			}
 		`, fx.shader);
 		if (cachedShader == null) {
@@ -179,9 +137,16 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 
 		gl.useProgram(shaderProgram);
 
+		const positionLocation = gl.getAttribLocation(shaderProgram, 'position');
+		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
+		gl.enableVertexAttribArray(positionLocation);
+
 		const in_resolution = gl.getUniformLocation(shaderProgram, 'in_resolution');
 		gl.uniform2fv(in_resolution, [this.renderWidth, this.renderHeight]);
 
+		const u_invert = gl.getUniformLocation(shaderProgram, 'u_invert');
+		gl.uniform1i(u_invert, invert ? 1 : 0);
+
 		gl.activeTexture(gl.TEXTURE0);
 		gl.bindTexture(gl.TEXTURE_2D, preTexture);
 		const in_texture = gl.getUniformLocation(shaderProgram, 'in_texture');
@@ -214,27 +179,13 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 	public render() {
 		const gl = this.gl;
 
-		{
-			gl.activeTexture(gl.TEXTURE0);
-			gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
-
-			gl.useProgram(this.renderTextureProgram);
-			const u_texture = gl.getUniformLocation(this.renderTextureProgram, 'u_texture');
-			gl.uniform1i(u_texture, 0);
-			const u_resolution = gl.getUniformLocation(this.renderTextureProgram, 'u_resolution');
-			gl.uniform2fv(u_resolution, [this.renderWidth, this.renderHeight]);
-			const positionLocation = gl.getAttribLocation(this.renderTextureProgram, 'position');
-			gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
-			gl.enableVertexAttribArray(positionLocation);
-
-			gl.drawArrays(gl.TRIANGLES, 0, 6);
-		}
-
-		// --------------------
-
 		let preTexture = this.originalImageTexture;
 
+		// TODO: layersが0の場合にoriginalImageTextureをそのまま描画する
+
 		for (const layer of this.layers) {
+			const isLast = layer === this.layers.at(-1);
+
 			const cachedResultTexture = this.perLayerResultTextures.get(layer.id);
 			const resultTexture = cachedResultTexture ?? createTexture(gl);
 			if (cachedResultTexture == null) {
@@ -244,30 +195,22 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 			gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.renderWidth, this.renderHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
 			gl.bindTexture(gl.TEXTURE_2D, null);
 
-			const cachedResultFrameBuffer = this.perLayerResultFrameBuffers.get(layer.id);
-			const resultFrameBuffer = cachedResultFrameBuffer ?? gl.createFramebuffer()!;
-			if (cachedResultFrameBuffer == null) {
-				this.perLayerResultFrameBuffers.set(layer.id, resultFrameBuffer);
+			if (isLast) {
+				gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+			} else {
+				const cachedResultFrameBuffer = this.perLayerResultFrameBuffers.get(layer.id);
+				const resultFrameBuffer = cachedResultFrameBuffer ?? gl.createFramebuffer()!;
+				if (cachedResultFrameBuffer == null) {
+					this.perLayerResultFrameBuffers.set(layer.id, resultFrameBuffer);
+				}
+				gl.bindFramebuffer(gl.FRAMEBUFFER, resultFrameBuffer);
+				gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, resultTexture, 0);
 			}
-			gl.bindFramebuffer(gl.FRAMEBUFFER, resultFrameBuffer);
-			gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, resultTexture, 0);
-
-			this.renderLayer(layer, preTexture);
 
-			gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+			this.renderLayer(layer, preTexture, isLast);
 
 			preTexture = resultTexture;
 		}
-
-		// --------------------
-
-		gl.bindFramebuffer(gl.FRAMEBUFFER, null);
-		gl.useProgram(this.renderInvertedTextureProgram);
-
-		gl.activeTexture(gl.TEXTURE0);
-		gl.bindTexture(gl.TEXTURE_2D, preTexture);
-
-		gl.drawArrays(gl.TRIANGLES, 0, 6);
 	}
 
 	public async setLayers(layers: ImageEffectorLayer[]) {
@@ -347,8 +290,6 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		}
 		this.paramTextures.clear();
 
-		this.gl.deleteProgram(this.renderTextureProgram);
-		this.gl.deleteProgram(this.renderInvertedTextureProgram);
 		this.gl.deleteTexture(this.originalImageTexture);
 
 		if (disposeCanvas) {
-- 
cgit v1.2.3-freya


From a971e44cee89e30e35498de6c24331dadfdd495d Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 5 Jun 2025 15:00:17 +0900
Subject: refactor(frontend): refactor ImageEffector

---
 .../src/utility/image-effector/ImageEffector.ts    | 45 +++++++++++++++++++---
 1 file changed, 39 insertions(+), 6 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index 1f5135a647..46136094f5 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -69,6 +69,7 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 	private shaderCache: Map<string, WebGLProgram> = new Map();
 	private perLayerResultTextures: Map<string, WebGLTexture> = new Map();
 	private perLayerResultFrameBuffers: Map<string, WebGLFramebuffer> = new Map();
+	private nopProgram: WebGLProgram;
 	private fxs: [...IEX];
 	private paramTextures: Map<string, { texture: WebGLTexture; width: number; height: number; }> = new Map();
 
@@ -112,6 +113,30 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 		gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
 		gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.originalImage.width, this.originalImage.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, this.originalImage);
 		gl.bindTexture(gl.TEXTURE_2D, null);
+
+		this.nopProgram = initShaderProgram(this.gl, `#version 300 es
+			in vec2 position;
+			out vec2 in_uv;
+
+			void main() {
+				in_uv = (position + 1.0) / 2.0;
+				gl_Position = vec4(position * vec2(1.0, -1.0), 0.0, 1.0);
+			}
+		`, `#version 300 es
+			precision mediump float;
+
+			in vec2 in_uv;
+			uniform sampler2D u_texture;
+			out vec4 out_color;
+
+			void main() {
+				out_color = texture(u_texture, in_uv);
+			}
+		`);
+
+		const positionLocation = gl.getAttribLocation(this.nopProgram, 'position');
+		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
+		gl.enableVertexAttribArray(positionLocation);
 	}
 
 	private renderLayer(layer: ImageEffectorLayer, preTexture: WebGLTexture, invert = false) {
@@ -137,10 +162,6 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 
 		gl.useProgram(shaderProgram);
 
-		const positionLocation = gl.getAttribLocation(shaderProgram, 'position');
-		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
-		gl.enableVertexAttribArray(positionLocation);
-
 		const in_resolution = gl.getUniformLocation(shaderProgram, 'in_resolution');
 		gl.uniform2fv(in_resolution, [this.renderWidth, this.renderHeight]);
 
@@ -179,9 +200,19 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 	public render() {
 		const gl = this.gl;
 
-		let preTexture = this.originalImageTexture;
+		// 入力をそのまま出力
+		if (this.layers.length === 0) {
+			gl.activeTexture(gl.TEXTURE0);
+			gl.bindTexture(gl.TEXTURE_2D, this.originalImageTexture);
 
-		// TODO: layersが0の場合にoriginalImageTextureをそのまま描画する
+			gl.useProgram(this.nopProgram);
+			gl.uniform1i(gl.getUniformLocation(this.nopProgram, 'u_texture')!, 0);
+
+			gl.drawArrays(gl.TRIANGLES, 0, 6);
+			return;
+		}
+
+		let preTexture = this.originalImageTexture;
 
 		for (const layer of this.layers) {
 			const isLast = layer === this.layers.at(-1);
@@ -270,6 +301,8 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 	 * disposeCanvas = true だとloseContextを呼ぶため、コンストラクタで渡されたcanvasも再利用不可になるので注意
 	 */
 	public destroy(disposeCanvas = true) {
+		this.gl.deleteProgram(this.nopProgram);
+
 		for (const shader of this.shaderCache.values()) {
 			this.gl.deleteProgram(shader);
 		}
-- 
cgit v1.2.3-freya


From 6c9e055aaeb4f543724b1fdf85c2fdb3c0670fc2 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 5 Jun 2025 15:05:00 +0900
Subject: add note

---
 packages/frontend/src/utility/image-effector/ImageEffector.ts | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index 46136094f5..85dc5d5266 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -134,6 +134,8 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 			}
 		`);
 
+		// レジスタ番号はシェーダープログラムに属しているわけではなく、独立の存在なので、とりあえず nopProgram を使って設定する(その後は効果が持続する)
+		// ref. https://qiita.com/emadurandal/items/5966c8374f03d4de3266
 		const positionLocation = gl.getAttribLocation(this.nopProgram, 'position');
 		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
 		gl.enableVertexAttribArray(positionLocation);
-- 
cgit v1.2.3-freya


From a603a4970ed0dcba994e8718025b1e01c619fd0f Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Thu, 5 Jun 2025 20:29:02 +0900
Subject: enhance(frontend): 画像エフェクト「色調補正」を追加 (#16170)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 locales/index.d.ts                                 |   4 +
 locales/ja-JP.yml                                  |   1 +
 .../frontend/src/utility/image-effector/fxs.ts     |   2 +
 .../src/utility/image-effector/fxs/colorAdjust.ts  | 136 +++++++++++++++++++++
 4 files changed, 143 insertions(+)
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts

(limited to 'packages/frontend/src/utility')

diff --git a/locales/index.d.ts b/locales/index.d.ts
index 17cdc7ca64..a4671aa812 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -12176,6 +12176,10 @@ export interface Locale extends ILocale {
              * 白黒
              */
             "grayscale": string;
+            /**
+             * 色調補正
+             */
+            "colorAdjust": string;
             /**
              * 色の圧縮
              */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index ed1f5354df..4988bfc259 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3262,6 +3262,7 @@ _imageEffector:
     mirror: "ミラー"
     invert: "色の反転"
     grayscale: "白黒"
+    colorAdjust: "色調補正"
     colorClamp: "色の圧縮"
     colorClampAdvanced: "色の圧縮(高度)"
     distort: "歪み"
diff --git a/packages/frontend/src/utility/image-effector/fxs.ts b/packages/frontend/src/utility/image-effector/fxs.ts
index 5887a68c43..a5c8e2ff80 100644
--- a/packages/frontend/src/utility/image-effector/fxs.ts
+++ b/packages/frontend/src/utility/image-effector/fxs.ts
@@ -5,6 +5,7 @@
 
 import { FX_checker } from './fxs/checker.js';
 import { FX_chromaticAberration } from './fxs/chromaticAberration.js';
+import { FX_colorAdjust } from './fxs/colorAdjust.js';
 import { FX_colorClamp } from './fxs/colorClamp.js';
 import { FX_colorClampAdvanced } from './fxs/colorClampAdvanced.js';
 import { FX_distort } from './fxs/distort.js';
@@ -26,6 +27,7 @@ export const FXS = [
 	FX_mirror,
 	FX_invert,
 	FX_grayscale,
+	FX_colorAdjust,
 	FX_colorClamp,
 	FX_colorClampAdvanced,
 	FX_distort,
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts b/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts
new file mode 100644
index 0000000000..cbb874852d
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts
@@ -0,0 +1,136 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform float u_brightness;
+uniform float u_contrast;
+uniform float u_hue;
+uniform float u_lightness;
+uniform float u_saturation;
+out vec4 out_color;
+
+// RGB to HSL
+vec3 rgb2hsl(vec3 c) {
+	float maxc = max(max(c.r, c.g), c.b);
+	float minc = min(min(c.r, c.g), c.b);
+	float l = (maxc + minc) * 0.5;
+	float s = 0.0;
+	float h = 0.0;
+	if (maxc != minc) {
+		float d = maxc - minc;
+		s = l > 0.5 ? d / (2.0 - maxc - minc) : d / (maxc + minc);
+		if (maxc == c.r) {
+			h = (c.g - c.b) / d + (c.g < c.b ? 6.0 : 0.0);
+		} else if (maxc == c.g) {
+			h = (c.b - c.r) / d + 2.0;
+		} else {
+			h = (c.r - c.g) / d + 4.0;
+		}
+		h /= 6.0;
+	}
+	return vec3(h, s, l);
+}
+
+// HSL to RGB
+float hue2rgb(float p, float q, float t) {
+	if (t < 0.0) t += 1.0;
+	if (t > 1.0) t -= 1.0;
+	if (t < 1.0/6.0) return p + (q - p) * 6.0 * t;
+	if (t < 1.0/2.0) return q;
+	if (t < 2.0/3.0) return p + (q - p) * (2.0/3.0 - t) * 6.0;
+	return p;
+}
+vec3 hsl2rgb(vec3 hsl) {
+	float r, g, b;
+	float h = hsl.x;
+	float s = hsl.y;
+	float l = hsl.z;
+	if (s == 0.0) {
+		r = g = b = l;
+	} else {
+		float q = l < 0.5 ? l * (1.0 + s) : l + s - l * s;
+		float p = 2.0 * l - q;
+		r = hue2rgb(p, q, h + 1.0/3.0);
+		g = hue2rgb(p, q, h);
+		b = hue2rgb(p, q, h - 1.0/3.0);
+	}
+	return vec3(r, g, b);
+}
+
+void main() {
+	vec4 in_color = texture(in_texture, in_uv);
+	vec3 color = in_color.rgb;
+
+	color = color * u_brightness;
+	color += vec3(clamp(u_lightness, 0.0, 2.0) - 1.0);
+	color = (color - 0.5) * u_contrast + 0.5;
+
+	vec3 hsl = rgb2hsl(color);
+	hsl.x = mod(hsl.x + u_hue, 1.0);
+	hsl.y = clamp(hsl.y * u_saturation, 0.0, 1.0);
+
+	color = hsl2rgb(hsl);
+	out_color = vec4(color, in_color.a);
+}
+`;
+
+export const FX_colorAdjust = defineImageEffectorFx({
+	id: 'colorAdjust' as const,
+	name: i18n.ts._imageEffector._fxs.colorAdjust,
+	shader,
+	uniforms: ['lightness', 'contrast', 'hue', 'brightness', 'saturation'] as const,
+	params: {
+		lightness: {
+			type: 'number' as const,
+			default: 100,
+			min: 0,
+			max: 200,
+			step: 1,
+		},
+		contrast: {
+			type: 'number' as const,
+			default: 100,
+			min: 0,
+			max: 200,
+			step: 1,
+		},
+		hue: {
+			type: 'number' as const,
+			default: 0,
+			min: -360,
+			max: 360,
+			step: 1,
+		},
+		brightness: {
+			type: 'number' as const,
+			default: 100,
+			min: 0,
+			max: 200,
+			step: 1,
+		},
+		saturation: {
+			type: 'number' as const,
+			default: 100,
+			min: 0,
+			max: 200,
+			step: 1,
+		},
+	},
+	main: ({ gl, u, params }) => {
+		gl.uniform1f(u.brightness, params.brightness / 100);
+		gl.uniform1f(u.contrast, params.contrast / 100);
+		gl.uniform1f(u.hue, params.hue / 360);
+		gl.uniform1f(u.lightness, params.lightness / 100);
+		gl.uniform1f(u.saturation, params.saturation / 100);
+	},
+});
-- 
cgit v1.2.3-freya


From 6506429f09d586f96c75b8bd7d9dccf44ddef5ba Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sat, 7 Jun 2025 07:57:23 +0900
Subject: enhance(frontend): アップローダー内でセンシティブフラグを設定可能に
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/frontend/src/composables/use-uploader.ts | 11 +++++++++++
 packages/frontend/src/utility/drive.ts            |  8 +++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/composables/use-uploader.ts b/packages/frontend/src/composables/use-uploader.ts
index 3f105dc201..0dbc3052df 100644
--- a/packages/frontend/src/composables/use-uploader.ts
+++ b/packages/frontend/src/composables/use-uploader.ts
@@ -67,6 +67,7 @@ export type UploaderItem = {
 	preprocessedFile?: Blob | null;
 	file: File;
 	watermarkPresetId: string | null;
+	isSensitive?: boolean;
 	abort?: (() => void) | null;
 };
 
@@ -170,6 +171,15 @@ export function useUploader(options: {
 
 					item.name = result;
 				},
+			}, {
+				type: 'switch',
+				text: i18n.ts.sensitive,
+				ref: computed({
+					get: () => item.isSensitive ?? false,
+					set: (value) => item.isSensitive = value,
+				}),
+			}, {
+				type: 'divider',
 			});
 		}
 
@@ -381,6 +391,7 @@ export function useUploader(options: {
 		const { filePromise, abort } = uploadFile(item.preprocessedFile ?? item.file, {
 			name: item.uploadName ?? item.name,
 			folderId: options.folderId,
+			isSensitive: item.isSensitive ?? false,
 			onProgress: (progress) => {
 				if (item.progress == null) {
 					item.progress = { max: progress.total, value: progress.loaded };
diff --git a/packages/frontend/src/utility/drive.ts b/packages/frontend/src/utility/drive.ts
index bc1813f48c..1912b3f805 100644
--- a/packages/frontend/src/utility/drive.ts
+++ b/packages/frontend/src/utility/drive.ts
@@ -6,6 +6,7 @@
 import { defineAsyncComponent } from 'vue';
 import * as Misskey from 'misskey-js';
 import { apiUrl } from '@@/js/config.js';
+import type { UploaderFeatures } from '@/composables/use-uploader.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { useStream } from '@/stream.js';
@@ -16,7 +17,6 @@ import { instance } from '@/instance.js';
 import { globalEvents } from '@/events.js';
 import { getProxiedImageUrl } from '@/utility/media-proxy.js';
 import { genId } from '@/utility/id.js';
-import type { UploaderDialogFeatures } from '@/components/MkUploaderDialog.vue';
 
 type UploadReturnType = {
 	filePromise: Promise<Misskey.entities.DriveFile>;
@@ -32,6 +32,7 @@ export class UploadAbortedError extends Error {
 export function uploadFile(file: File | Blob, options: {
 	name?: string;
 	folderId?: string | null;
+	isSensitive?: boolean;
 	onProgress?: (ctx: { total: number; loaded: number; }) => void;
 } = {}): UploadReturnType {
 	const xhr = new XMLHttpRequest();
@@ -140,6 +141,7 @@ export function uploadFile(file: File | Blob, options: {
 		formData.append('force', 'true');
 		formData.append('file', file);
 		formData.append('name', options.name ?? (file instanceof File ? file.name : 'untitled'));
+		formData.append('isSensitive', options.isSensitive ? 'true' : 'false');
 		if (options.folderId) formData.append('folderId', options.folderId);
 
 		xhr.send(formData);
@@ -156,7 +158,7 @@ export function uploadFile(file: File | Blob, options: {
 export function chooseFileFromPcAndUpload(
 	options: {
 		multiple?: boolean;
-		features?: UploaderDialogFeatures;
+		features?: UploaderFeatures;
 		folderId?: string | null;
 	} = {},
 ): Promise<Misskey.entities.DriveFile[]> {
@@ -254,7 +256,7 @@ type SelectFileOptions<M extends boolean> = {
 
 export async function selectFile<
 	M extends boolean,
-	MR extends M extends true ? Misskey.entities.DriveFile[] : Misskey.entities.DriveFile
+	MR extends M extends true ? Misskey.entities.DriveFile[] : Misskey.entities.DriveFile,
 >(opts: SelectFileOptions<M>): Promise<MR> {
 	const files = await select(opts.anchorElement, opts.label ?? null, opts.multiple ?? false, opts.features);
 	return opts.multiple ? (files as MR) : (files[0]! as MR);
-- 
cgit v1.2.3-freya


From 32d721abf1929aa6b7f442c7ac6b695850717a8c Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Sat, 14 Jun 2025 16:08:14 +0900
Subject: refactor(frontend): checkWordMuteの返り値が誤っている問題を修正
 (#16188)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* refactor(frontend): checkWordMuteの返り値が誤っている問題を修正

* fix lint
---
 packages/frontend/src/components/MkNote.vue        | 24 ++++++++++++++--------
 .../src/components/MkStreamingNotesTimeline.vue    |  2 +-
 packages/frontend/src/utility/get-note-menu.ts     |  2 +-
 3 files changed, 18 insertions(+), 10 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 3ca7455f0d..794a091f30 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -321,20 +321,27 @@ const pleaseLoginContext = computed<OpenOnRemoteOptions>(() => ({
 	url: `https://${host}/notes/${appearNote.id}`,
 }));
 
-/* Overload FunctionにLintが対応していないのでコメントアウト
+/* eslint-disable no-redeclare */
+/** checkOnlyでは純粋なワードミュート結果をbooleanで返却する */
 function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: true): boolean;
-function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly: false): Array<string | string[]> | false | 'sensitiveMute';
-*/
-function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | false | 'sensitiveMute' {
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly?: false): Array<string | string[]> | false | 'sensitiveMute';
+
+function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string | string[]> | undefined | null, checkOnly = false): Array<string | string[]> | boolean | 'sensitiveMute' {
 	if (mutedWords != null) {
 		const result = checkWordMute(noteToCheck, $i, mutedWords);
-		if (Array.isArray(result)) return result;
+		if (Array.isArray(result)) {
+			return checkOnly ? (result.length > 0) : result;
+		}
 
 		const replyResult = noteToCheck.reply && checkWordMute(noteToCheck.reply, $i, mutedWords);
-		if (Array.isArray(replyResult)) return replyResult;
+		if (Array.isArray(replyResult)) {
+			return checkOnly ? (replyResult.length > 0) : replyResult;
+		}
 
 		const renoteResult = noteToCheck.renote && checkWordMute(noteToCheck.renote, $i, mutedWords);
-		if (Array.isArray(renoteResult)) return renoteResult;
+		if (Array.isArray(renoteResult)) {
+			return checkOnly ? (renoteResult.length > 0) : renoteResult;
+		}
 	}
 
 	if (checkOnly) return false;
@@ -345,6 +352,7 @@ function checkMute(noteToCheck: Misskey.entities.Note, mutedWords: Array<string
 
 	return false;
 }
+/* eslint-enable no-redeclare */
 
 const keymap = {
 	'r': () => {
@@ -417,7 +425,7 @@ if (!props.mock) {
 
 		const users = renotes.map(x => x.user);
 
-		if (users.length < 1) return;
+		if (users.length < 1 || renoteButton.value == null) return;
 
 		const { dispose } = os.popup(MkUsersTooltip, {
 			showing,
diff --git a/packages/frontend/src/components/MkStreamingNotesTimeline.vue b/packages/frontend/src/components/MkStreamingNotesTimeline.vue
index db9621e378..7e72840b7b 100644
--- a/packages/frontend/src/components/MkStreamingNotesTimeline.vue
+++ b/packages/frontend/src/components/MkStreamingNotesTimeline.vue
@@ -428,7 +428,7 @@ defineExpose({
 	background: var(--MI_THEME-panel);
 }
 
-.note {
+.note:not(:empty) {
 	border-bottom: solid 0.5px var(--MI_THEME-divider);
 }
 
diff --git a/packages/frontend/src/utility/get-note-menu.ts b/packages/frontend/src/utility/get-note-menu.ts
index 5b99be5fdb..ea93444f08 100644
--- a/packages/frontend/src/utility/get-note-menu.ts
+++ b/packages/frontend/src/utility/get-note-menu.ts
@@ -542,7 +542,7 @@ function smallerVisibility(a: Visibility, b: Visibility): Visibility {
 
 export function getRenoteMenu(props: {
 	note: Misskey.entities.Note;
-	renoteButton: ShallowRef<HTMLElement | undefined>;
+	renoteButton: ShallowRef<HTMLElement | null | undefined>;
 	mock?: boolean;
 }) {
 	const appearNote = getAppearNote(props.note);
-- 
cgit v1.2.3-freya


From b33eeb13663b2321793c4127dcd4a1d108cefa53 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 08:47:59 +0900
Subject: enhance(frontend/image-effector): tweak distort fx

---
 .../src/utility/image-effector/fxs/distort.ts      | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/fxs/distort.ts b/packages/frontend/src/utility/image-effector/fxs/distort.ts
index f91287c038..67ebc77733 100644
--- a/packages/frontend/src/utility/image-effector/fxs/distort.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/distort.ts
@@ -9,6 +9,10 @@ import { i18n } from '@/i18n.js';
 const shader = `#version 300 es
 precision mediump float;
 
+const float PI = 3.141592653589793;
+const float TWO_PI = 6.283185307179586;
+const float HALF_PI = 1.5707963267948966;
+
 in vec2 in_uv;
 uniform sampler2D in_texture;
 uniform vec2 in_resolution;
@@ -20,8 +24,8 @@ out vec4 out_color;
 
 void main() {
 	float v = u_direction == 0 ?
-		sin(u_phase + in_uv.y * u_frequency) * u_strength :
-		sin(u_phase + in_uv.x * u_frequency) * u_strength;
+		sin((HALF_PI + (u_phase * PI) - (u_frequency / 2.0)) + in_uv.y * u_frequency) * u_strength :
+		sin((HALF_PI + (u_phase * PI) - (u_frequency / 2.0)) + in_uv.x * u_frequency) * u_strength;
 	vec4 in_color = u_direction == 0 ?
 		texture(in_texture, vec2(in_uv.x + v, in_uv.y)) :
 		texture(in_texture, vec2(in_uv.x, in_uv.y + v));
@@ -38,32 +42,32 @@ export const FX_distort = defineImageEffectorFx({
 		direction: {
 			type: 'number:enum' as const,
 			enum: [{ value: 0, label: 'v' }, { value: 1, label: 'h' }],
-			default: 0,
+			default: 1,
 		},
 		phase: {
 			type: 'number' as const,
-			default: 50.0,
-			min: 0.0,
-			max: 100,
+			default: 0.0,
+			min: -1.0,
+			max: 1.0,
 			step: 0.01,
 		},
 		frequency: {
 			type: 'number' as const,
-			default: 50,
+			default: 30,
 			min: 0,
 			max: 100,
 			step: 0.1,
 		},
 		strength: {
 			type: 'number' as const,
-			default: 0.1,
+			default: 0.05,
 			min: 0,
 			max: 1,
 			step: 0.01,
 		},
 	},
 	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.phase, params.phase / 10);
+		gl.uniform1f(u.phase, params.phase);
 		gl.uniform1f(u.frequency, params.frequency);
 		gl.uniform1f(u.strength, params.strength);
 		gl.uniform1i(u.direction, params.direction);
-- 
cgit v1.2.3-freya


From 3dbfd80d65262bec24002c50cdfb2c1b962efcf5 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 09:25:57 +0900
Subject: enhance(frontend/image-effector): tweak colorAdjust fx

---
 .../src/components/MkImageEffectorDialog.Layer.vue | 11 ++---
 .../src/utility/image-effector/ImageEffector.ts    |  2 +
 .../src/utility/image-effector/fxs/colorAdjust.ts  | 49 ++++++++++++----------
 3 files changed, 35 insertions(+), 27 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue b/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
index ff3b9aff9b..d8466fa7ca 100644
--- a/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
+++ b/packages/frontend/src/components/MkImageEffectorDialog.Layer.vue
@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				v-if="v.type === 'boolean'"
 				v-model="layer.params[k]"
 			>
-				<template #label>{{ k }}</template>
+				<template #label>{{ fx.params[k].label ?? k }}</template>
 			</MkSwitch>
 			<MkRange
 				v-else-if="v.type === 'number'"
@@ -29,6 +29,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				:min="v.min"
 				:max="v.max"
 				:step="v.step"
+				:textConverter="fx.params[k].toViewValue"
 				@thumbDoubleClicked="() => {
 					if (fx.params[k].default != null) {
 						layer.params[k] = fx.params[k].default;
@@ -37,13 +38,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 					}
 				}"
 			>
-				<template #label>{{ k }}</template>
+				<template #label>{{ fx.params[k].label ?? k }}</template>
 			</MkRange>
 			<MkRadios
 				v-else-if="v.type === 'number:enum'"
 				v-model="layer.params[k]"
 			>
-				<template #label>{{ k }}</template>
+				<template #label>{{ fx.params[k].label ?? k }}</template>
 				<option v-for="item in v.enum" :value="item.value">{{ item.label }}</option>
 			</MkRadios>
 			<div v-else-if="v.type === 'seed'">
@@ -55,7 +56,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					:max="10000"
 					:step="1"
 				>
-					<template #label>{{ k }}</template>
+					<template #label>{{ fx.params[k].label ?? k }}</template>
 				</MkRange>
 			</div>
 			<MkInput
@@ -64,7 +65,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				type="color"
 				@update:modelValue="v => { const c = getRgb(v); if (c != null) layer.params[k] = c; }"
 			>
-				<template #label>{{ k }}</template>
+				<template #label>{{ fx.params[k].label ?? k }}</template>
 			</MkInput>
 		</div>
 	</div>
diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index 85dc5d5266..1028c57f35 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -19,6 +19,8 @@ type ParamTypeToPrimitive = {
 type ImageEffectorFxParamDefs = Record<string, {
 	type: keyof ParamTypeToPrimitive;
 	default: any;
+	label?: string;
+	toViewValue?: (v: any) => string;
 }>;
 
 export function defineImageEffectorFx<ID extends string, PS extends ImageEffectorFxParamDefs, US extends string[]>(fx: ImageEffectorFx<ID, PS, US>) {
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts b/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts
index cbb874852d..c38490e198 100644
--- a/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/colorAdjust.ts
@@ -72,7 +72,7 @@ void main() {
 	vec3 color = in_color.rgb;
 
 	color = color * u_brightness;
-	color += vec3(clamp(u_lightness, 0.0, 2.0) - 1.0);
+	color += vec3(u_lightness);
 	color = (color - 0.5) * u_contrast + 0.5;
 
 	vec3 hsl = rgb2hsl(color);
@@ -92,45 +92,50 @@ export const FX_colorAdjust = defineImageEffectorFx({
 	params: {
 		lightness: {
 			type: 'number' as const,
-			default: 100,
-			min: 0,
-			max: 200,
-			step: 1,
+			default: 0,
+			min: -1,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		contrast: {
 			type: 'number' as const,
-			default: 100,
+			default: 1,
 			min: 0,
-			max: 200,
-			step: 1,
+			max: 4,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		hue: {
 			type: 'number' as const,
 			default: 0,
-			min: -360,
-			max: 360,
-			step: 1,
+			min: -1,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 180) + '°',
 		},
 		brightness: {
 			type: 'number' as const,
-			default: 100,
+			default: 1,
 			min: 0,
-			max: 200,
-			step: 1,
+			max: 4,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		saturation: {
 			type: 'number' as const,
-			default: 100,
+			default: 1,
 			min: 0,
-			max: 200,
-			step: 1,
+			max: 4,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
-		gl.uniform1f(u.brightness, params.brightness / 100);
-		gl.uniform1f(u.contrast, params.contrast / 100);
-		gl.uniform1f(u.hue, params.hue / 360);
-		gl.uniform1f(u.lightness, params.lightness / 100);
-		gl.uniform1f(u.saturation, params.saturation / 100);
+		gl.uniform1f(u.brightness, params.brightness);
+		gl.uniform1f(u.contrast, params.contrast);
+		gl.uniform1f(u.hue, params.hue / 2);
+		gl.uniform1f(u.lightness, params.lightness);
+		gl.uniform1f(u.saturation, params.saturation);
 	},
 });
-- 
cgit v1.2.3-freya


From 5bec8ba6b0f8c98ccc395ef5da9f6126234bf63e Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 10:19:42 +0900
Subject: enhance(frontend/image-effector): tweak fxs

---
 packages/frontend/src/utility/image-effector/fxs/checker.ts         | 2 ++
 packages/frontend/src/utility/image-effector/fxs/colorClamp.ts      | 2 ++
 .../frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts   | 6 ++++++
 packages/frontend/src/utility/image-effector/fxs/distort.ts         | 2 ++
 packages/frontend/src/utility/image-effector/fxs/polkadot.ts        | 3 +++
 packages/frontend/src/utility/image-effector/fxs/stripe.ts          | 3 +++
 6 files changed, 18 insertions(+)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/fxs/checker.ts b/packages/frontend/src/utility/image-effector/fxs/checker.ts
index b799bd0d13..c426308951 100644
--- a/packages/frontend/src/utility/image-effector/fxs/checker.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/checker.ts
@@ -58,6 +58,7 @@ export const FX_checker = defineImageEffectorFx({
 			min: -1.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 90) + '°',
 		},
 		scale: {
 			type: 'number' as const,
@@ -76,6 +77,7 @@ export const FX_checker = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts b/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
index 5393d73df0..ae0d92b8ae 100644
--- a/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/colorClamp.ts
@@ -37,6 +37,7 @@ export const FX_colorClamp = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		min: {
 			type: 'number' as const,
@@ -44,6 +45,7 @@ export const FX_colorClamp = defineImageEffectorFx({
 			min: -1.0,
 			max: 0.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
diff --git a/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts b/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
index c66d75a83f..b9387900fb 100644
--- a/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/colorClampAdvanced.ts
@@ -41,6 +41,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		rMin: {
 			type: 'number' as const,
@@ -48,6 +49,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: -1.0,
 			max: 0.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		gMax: {
 			type: 'number' as const,
@@ -55,6 +57,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		gMin: {
 			type: 'number' as const,
@@ -62,6 +65,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: -1.0,
 			max: 0.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		bMax: {
 			type: 'number' as const,
@@ -69,6 +73,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		bMin: {
 			type: 'number' as const,
@@ -76,6 +81,7 @@ export const FX_colorClampAdvanced = defineImageEffectorFx({
 			min: -1.0,
 			max: 0.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
diff --git a/packages/frontend/src/utility/image-effector/fxs/distort.ts b/packages/frontend/src/utility/image-effector/fxs/distort.ts
index 67ebc77733..4b1aefc159 100644
--- a/packages/frontend/src/utility/image-effector/fxs/distort.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/distort.ts
@@ -50,6 +50,7 @@ export const FX_distort = defineImageEffectorFx({
 			min: -1.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		frequency: {
 			type: 'number' as const,
@@ -64,6 +65,7 @@ export const FX_distort = defineImageEffectorFx({
 			min: 0,
 			max: 1,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
diff --git a/packages/frontend/src/utility/image-effector/fxs/polkadot.ts b/packages/frontend/src/utility/image-effector/fxs/polkadot.ts
index 198dd9bad0..14f6f91148 100644
--- a/packages/frontend/src/utility/image-effector/fxs/polkadot.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/polkadot.ts
@@ -90,6 +90,7 @@ export const FX_polkadot = defineImageEffectorFx({
 			min: -1.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 90) + '°',
 		},
 		scale: {
 			type: 'number' as const,
@@ -111,6 +112,7 @@ export const FX_polkadot = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		minorDivisions: {
 			type: 'number' as const,
@@ -132,6 +134,7 @@ export const FX_polkadot = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		color: {
 			type: 'color' as const,
diff --git a/packages/frontend/src/utility/image-effector/fxs/stripe.ts b/packages/frontend/src/utility/image-effector/fxs/stripe.ts
index 37766e185d..f6c1d2278d 100644
--- a/packages/frontend/src/utility/image-effector/fxs/stripe.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/stripe.ts
@@ -60,6 +60,7 @@ export const FX_stripe = defineImageEffectorFx({
 			min: -1.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 90) + '°',
 		},
 		frequency: {
 			type: 'number' as const,
@@ -74,6 +75,7 @@ export const FX_stripe = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		color: {
 			type: 'color' as const,
@@ -85,6 +87,7 @@ export const FX_stripe = defineImageEffectorFx({
 			min: 0.0,
 			max: 1.0,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 	},
 	main: ({ gl, u, params }) => {
-- 
cgit v1.2.3-freya


From ce90fee5861536989019bda57e4e14c2fe160332 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 10:55:11 +0900
Subject: enhance(frontend/image-effector): add blockNoise fx

---
 locales/index.d.ts                                 |   4 +
 locales/ja-JP.yml                                  |   1 +
 .../frontend/src/utility/image-effector/fxs.ts     |   2 +
 .../src/utility/image-effector/fxs/blockNoise.ts   | 119 +++++++++++++++++++++
 .../src/utility/image-effector/fxs/glitch.ts       |   1 +
 5 files changed, 127 insertions(+)
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/blockNoise.ts

(limited to 'packages/frontend/src/utility')

diff --git a/locales/index.d.ts b/locales/index.d.ts
index 1462e933d0..9bf4f95448 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -12220,6 +12220,10 @@ export interface Locale extends ILocale {
              * チェッカー
              */
             "checker": string;
+            /**
+             * ブロックノイズ
+             */
+            "blockNoise": string;
         };
     };
 }
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 171eb62b0f..bc2c5ab51b 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3273,3 +3273,4 @@ _imageEffector:
     stripe: "ストライプ"
     polkadot: "ポルカドット"
     checker: "チェッカー"
+    blockNoise: "ブロックノイズ"
diff --git a/packages/frontend/src/utility/image-effector/fxs.ts b/packages/frontend/src/utility/image-effector/fxs.ts
index a5c8e2ff80..003b56efc4 100644
--- a/packages/frontend/src/utility/image-effector/fxs.ts
+++ b/packages/frontend/src/utility/image-effector/fxs.ts
@@ -18,6 +18,7 @@ import { FX_stripe } from './fxs/stripe.js';
 import { FX_threshold } from './fxs/threshold.js';
 import { FX_watermarkPlacement } from './fxs/watermarkPlacement.js';
 import { FX_zoomLines } from './fxs/zoomLines.js';
+import { FX_blockNoise } from './fxs/blockNoise.js';
 import type { ImageEffectorFx } from './ImageEffector.js';
 
 export const FXS = [
@@ -36,4 +37,5 @@ export const FXS = [
 	FX_stripe,
 	FX_polkadot,
 	FX_checker,
+	FX_blockNoise,
 ] as const satisfies ImageEffectorFx<string, any>[];
diff --git a/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts b/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts
new file mode 100644
index 0000000000..66ebbabc0c
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts
@@ -0,0 +1,119 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import seedrandom from 'seedrandom';
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform int u_amount;
+uniform float u_shiftStrengths[128];
+uniform vec2 u_shiftOrigins[128];
+uniform vec2 u_shiftSizes[128];
+uniform float u_channelShift;
+out vec4 out_color;
+
+void main() {
+	// TODO: ピクセル毎に計算する必要はないのでuniformにする
+	float aspect_ratio = min(in_resolution.x, in_resolution.y) / max(in_resolution.x, in_resolution.y);
+	float aspect_ratio_x = in_resolution.x > in_resolution.y ? 1.0 : aspect_ratio;
+	float aspect_ratio_y = in_resolution.x < in_resolution.y ? 1.0 : aspect_ratio;
+
+	float v = 0.0;
+
+	for (int i = 0; i < u_amount; i++) {
+		if (
+			in_uv.x * aspect_ratio_x > ((u_shiftOrigins[i].x * aspect_ratio_x) - u_shiftSizes[i].x) &&
+			in_uv.x * aspect_ratio_x < ((u_shiftOrigins[i].x * aspect_ratio_x) + u_shiftSizes[i].x) &&
+			in_uv.y * aspect_ratio_y > ((u_shiftOrigins[i].y * aspect_ratio_y) - u_shiftSizes[i].y) &&
+			in_uv.y * aspect_ratio_y < ((u_shiftOrigins[i].y * aspect_ratio_y) + u_shiftSizes[i].y)
+		) {
+			v += u_shiftStrengths[i];
+		}
+	}
+
+	float r = texture(in_texture, vec2(in_uv.x + (v * (1.0 + u_channelShift)), in_uv.y)).r;
+	float g = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).g;
+	float b = texture(in_texture, vec2(in_uv.x + (v * (1.0 + (u_channelShift / 2.0))), in_uv.y)).b;
+	float a = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).a;
+	out_color = vec4(r, g, b, a);
+}
+`;
+
+export const FX_blockNoise = defineImageEffectorFx({
+	id: 'blockNoise' as const,
+	name: i18n.ts._imageEffector._fxs.blockNoise,
+	shader,
+	uniforms: ['amount', 'channelShift'] as const,
+	params: {
+		amount: {
+			type: 'number' as const,
+			default: 50,
+			min: 1,
+			max: 100,
+			step: 1,
+		},
+		strength: {
+			type: 'number' as const,
+			default: 0.05,
+			min: -1,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		width: {
+			type: 'number' as const,
+			default: 0.05,
+			min: 0.01,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		height: {
+			type: 'number' as const,
+			default: 0.01,
+			min: 0.01,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		channelShift: {
+			type: 'number' as const,
+			default: 0,
+			min: 0,
+			max: 10,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		seed: {
+			type: 'seed' as const,
+			default: 100,
+		},
+	},
+	main: ({ gl, program, u, params }) => {
+		gl.uniform1i(u.amount, params.amount);
+		gl.uniform1f(u.channelShift, params.channelShift);
+
+		const margin = 0;
+
+		const rnd = seedrandom(params.seed.toString());
+
+		for (let i = 0; i < params.amount; i++) {
+			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
+			gl.uniform2f(o, (rnd() * (1 + (margin * 2))) - margin, (rnd() * (1 + (margin * 2))) - margin);
+
+			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
+			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
+
+			const sizes = gl.getUniformLocation(program, `u_shiftSizes[${i.toString()}]`);
+			gl.uniform2f(sizes, params.width, params.height);
+		}
+	},
+});
diff --git a/packages/frontend/src/utility/image-effector/fxs/glitch.ts b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
index e4939a4302..94027e0e31 100644
--- a/packages/frontend/src/utility/image-effector/fxs/glitch.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
@@ -70,6 +70,7 @@ export const FX_glitch = defineImageEffectorFx({
 			min: 0,
 			max: 10,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		seed: {
 			type: 'seed' as const,
-- 
cgit v1.2.3-freya


From e9af9d4451f1ff66c13040b46d8316b52539901b Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 10:57:29 +0900
Subject: enhance(frontend/image-effector): tweak fxs

---
 .../frontend/src/utility/image-effector/fxs/glitch.ts    | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'packages/frontend/src/utility')

diff --git a/packages/frontend/src/utility/image-effector/fxs/glitch.ts b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
index 94027e0e31..702b476a0b 100644
--- a/packages/frontend/src/utility/image-effector/fxs/glitch.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
@@ -52,17 +52,19 @@ export const FX_glitch = defineImageEffectorFx({
 		},
 		strength: {
 			type: 'number' as const,
-			default: 5,
-			min: -100,
-			max: 100,
+			default: 0.05,
+			min: -1,
+			max: 1,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		size: {
 			type: 'number' as const,
-			default: 20,
+			default: 0.2,
 			min: 0,
-			max: 100,
+			max: 1,
 			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
 		},
 		channelShift: {
 			type: 'number' as const,
@@ -88,10 +90,10 @@ export const FX_glitch = defineImageEffectorFx({
 			gl.uniform1f(o, rnd());
 
 			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
-			gl.uniform1f(s, (1 - (rnd() * 2)) * (params.strength / 100));
+			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
 
 			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
-			gl.uniform1f(h, rnd() * (params.size / 100));
+			gl.uniform1f(h, rnd() * params.size);
 		}
 	},
 });
-- 
cgit v1.2.3-freya


From fe805fb7f0a05ea201fafb5e7926cded33d53b31 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sun, 15 Jun 2025 11:06:46 +0900
Subject: enhance(frontend/image-effector): tweak fxs

---
 locales/index.d.ts                                 |  4 +
 locales/ja-JP.yml                                  |  1 +
 .../src/components/MkImageEffectorDialog.vue       |  2 +-
 .../frontend/src/utility/image-effector/fxs.ts     |  8 +-
 .../src/utility/image-effector/fxs/blockNoise.ts   |  2 +-
 .../src/utility/image-effector/fxs/glitch.ts       | 99 ----------------------
 .../src/utility/image-effector/fxs/tearing.ts      | 99 ++++++++++++++++++++++
 7 files changed, 109 insertions(+), 106 deletions(-)
 delete mode 100644 packages/frontend/src/utility/image-effector/fxs/glitch.ts
 create mode 100644 packages/frontend/src/utility/image-effector/fxs/tearing.ts

(limited to 'packages/frontend/src/utility')

diff --git a/locales/index.d.ts b/locales/index.d.ts
index 9bf4f95448..16003570a2 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -12224,6 +12224,10 @@ export interface Locale extends ILocale {
              * ブロックノイズ
              */
             "blockNoise": string;
+            /**
+             * ティアリング
+             */
+            "tearing": string;
         };
     };
 }
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index bc2c5ab51b..6ef92e0f2e 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -3274,3 +3274,4 @@ _imageEffector:
     polkadot: "ポルカドット"
     checker: "チェッカー"
     blockNoise: "ブロックノイズ"
+    tearing: "ティアリング"
diff --git a/packages/frontend/src/components/MkImageEffectorDialog.vue b/packages/frontend/src/components/MkImageEffectorDialog.vue
index 42502ba449..2c6185fd33 100644
--- a/packages/frontend/src/components/MkImageEffectorDialog.vue
+++ b/packages/frontend/src/components/MkImageEffectorDialog.vue
@@ -96,7 +96,7 @@ watch(layers, async () => {
 }, { deep: true });
 
 function addEffect(ev: MouseEvent) {
-	os.popupMenu(FXS.filter(fx => fx.id !== 'watermarkPlacement').map((fx) => ({
+	os.popupMenu(FXS.map((fx) => ({
 		text: fx.name,
 		action: () => {
 			layers.push({
diff --git a/packages/frontend/src/utility/image-effector/fxs.ts b/packages/frontend/src/utility/image-effector/fxs.ts
index 003b56efc4..1fa48aea15 100644
--- a/packages/frontend/src/utility/image-effector/fxs.ts
+++ b/packages/frontend/src/utility/image-effector/fxs.ts
@@ -10,21 +10,17 @@ import { FX_colorClamp } from './fxs/colorClamp.js';
 import { FX_colorClampAdvanced } from './fxs/colorClampAdvanced.js';
 import { FX_distort } from './fxs/distort.js';
 import { FX_polkadot } from './fxs/polkadot.js';
-import { FX_glitch } from './fxs/glitch.js';
+import { FX_tearing } from './fxs/tearing.js';
 import { FX_grayscale } from './fxs/grayscale.js';
 import { FX_invert } from './fxs/invert.js';
 import { FX_mirror } from './fxs/mirror.js';
 import { FX_stripe } from './fxs/stripe.js';
 import { FX_threshold } from './fxs/threshold.js';
-import { FX_watermarkPlacement } from './fxs/watermarkPlacement.js';
 import { FX_zoomLines } from './fxs/zoomLines.js';
 import { FX_blockNoise } from './fxs/blockNoise.js';
 import type { ImageEffectorFx } from './ImageEffector.js';
 
 export const FXS = [
-	FX_watermarkPlacement,
-	FX_chromaticAberration,
-	FX_glitch,
 	FX_mirror,
 	FX_invert,
 	FX_grayscale,
@@ -37,5 +33,7 @@ export const FXS = [
 	FX_stripe,
 	FX_polkadot,
 	FX_checker,
+	FX_chromaticAberration,
+	FX_tearing,
 	FX_blockNoise,
 ] as const satisfies ImageEffectorFx<string, any>[];
diff --git a/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts b/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts
index 66ebbabc0c..bf7eaa8bda 100644
--- a/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts
+++ b/packages/frontend/src/utility/image-effector/fxs/blockNoise.ts
@@ -49,7 +49,7 @@ void main() {
 
 export const FX_blockNoise = defineImageEffectorFx({
 	id: 'blockNoise' as const,
-	name: i18n.ts._imageEffector._fxs.blockNoise,
+	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.blockNoise,
 	shader,
 	uniforms: ['amount', 'channelShift'] as const,
 	params: {
diff --git a/packages/frontend/src/utility/image-effector/fxs/glitch.ts b/packages/frontend/src/utility/image-effector/fxs/glitch.ts
deleted file mode 100644
index 702b476a0b..0000000000
--- a/packages/frontend/src/utility/image-effector/fxs/glitch.ts
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import seedrandom from 'seedrandom';
-import { defineImageEffectorFx } from '../ImageEffector.js';
-import { i18n } from '@/i18n.js';
-
-const shader = `#version 300 es
-precision mediump float;
-
-in vec2 in_uv;
-uniform sampler2D in_texture;
-uniform vec2 in_resolution;
-uniform int u_amount;
-uniform float u_shiftStrengths[128];
-uniform float u_shiftOrigins[128];
-uniform float u_shiftHeights[128];
-uniform float u_channelShift;
-out vec4 out_color;
-
-void main() {
-	float v = 0.0;
-
-	for (int i = 0; i < u_amount; i++) {
-		if (in_uv.y > (u_shiftOrigins[i] - u_shiftHeights[i]) && in_uv.y < (u_shiftOrigins[i] + u_shiftHeights[i])) {
-			v += u_shiftStrengths[i];
-		}
-	}
-
-	float r = texture(in_texture, vec2(in_uv.x + (v * (1.0 + u_channelShift)), in_uv.y)).r;
-	float g = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).g;
-	float b = texture(in_texture, vec2(in_uv.x + (v * (1.0 + (u_channelShift / 2.0))), in_uv.y)).b;
-	float a = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).a;
-	out_color = vec4(r, g, b, a);
-}
-`;
-
-export const FX_glitch = defineImageEffectorFx({
-	id: 'glitch' as const,
-	name: i18n.ts._imageEffector._fxs.glitch,
-	shader,
-	uniforms: ['amount', 'channelShift'] as const,
-	params: {
-		amount: {
-			type: 'number' as const,
-			default: 3,
-			min: 1,
-			max: 100,
-			step: 1,
-		},
-		strength: {
-			type: 'number' as const,
-			default: 0.05,
-			min: -1,
-			max: 1,
-			step: 0.01,
-			toViewValue: v => Math.round(v * 100) + '%',
-		},
-		size: {
-			type: 'number' as const,
-			default: 0.2,
-			min: 0,
-			max: 1,
-			step: 0.01,
-			toViewValue: v => Math.round(v * 100) + '%',
-		},
-		channelShift: {
-			type: 'number' as const,
-			default: 0.5,
-			min: 0,
-			max: 10,
-			step: 0.01,
-			toViewValue: v => Math.round(v * 100) + '%',
-		},
-		seed: {
-			type: 'seed' as const,
-			default: 100,
-		},
-	},
-	main: ({ gl, program, u, params }) => {
-		gl.uniform1i(u.amount, params.amount);
-		gl.uniform1f(u.channelShift, params.channelShift);
-
-		const rnd = seedrandom(params.seed.toString());
-
-		for (let i = 0; i < params.amount; i++) {
-			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
-			gl.uniform1f(o, rnd());
-
-			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
-			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
-
-			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
-			gl.uniform1f(h, rnd() * params.size);
-		}
-	},
-});
diff --git a/packages/frontend/src/utility/image-effector/fxs/tearing.ts b/packages/frontend/src/utility/image-effector/fxs/tearing.ts
new file mode 100644
index 0000000000..d5f1e062ec
--- /dev/null
+++ b/packages/frontend/src/utility/image-effector/fxs/tearing.ts
@@ -0,0 +1,99 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import seedrandom from 'seedrandom';
+import { defineImageEffectorFx } from '../ImageEffector.js';
+import { i18n } from '@/i18n.js';
+
+const shader = `#version 300 es
+precision mediump float;
+
+in vec2 in_uv;
+uniform sampler2D in_texture;
+uniform vec2 in_resolution;
+uniform int u_amount;
+uniform float u_shiftStrengths[128];
+uniform float u_shiftOrigins[128];
+uniform float u_shiftHeights[128];
+uniform float u_channelShift;
+out vec4 out_color;
+
+void main() {
+	float v = 0.0;
+
+	for (int i = 0; i < u_amount; i++) {
+		if (in_uv.y > (u_shiftOrigins[i] - u_shiftHeights[i]) && in_uv.y < (u_shiftOrigins[i] + u_shiftHeights[i])) {
+			v += u_shiftStrengths[i];
+		}
+	}
+
+	float r = texture(in_texture, vec2(in_uv.x + (v * (1.0 + u_channelShift)), in_uv.y)).r;
+	float g = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).g;
+	float b = texture(in_texture, vec2(in_uv.x + (v * (1.0 + (u_channelShift / 2.0))), in_uv.y)).b;
+	float a = texture(in_texture, vec2(in_uv.x + v, in_uv.y)).a;
+	out_color = vec4(r, g, b, a);
+}
+`;
+
+export const FX_tearing = defineImageEffectorFx({
+	id: 'tearing' as const,
+	name: i18n.ts._imageEffector._fxs.glitch + ': ' + i18n.ts._imageEffector._fxs.tearing,
+	shader,
+	uniforms: ['amount', 'channelShift'] as const,
+	params: {
+		amount: {
+			type: 'number' as const,
+			default: 3,
+			min: 1,
+			max: 100,
+			step: 1,
+		},
+		strength: {
+			type: 'number' as const,
+			default: 0.05,
+			min: -1,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		size: {
+			type: 'number' as const,
+			default: 0.2,
+			min: 0,
+			max: 1,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		channelShift: {
+			type: 'number' as const,
+			default: 0.5,
+			min: 0,
+			max: 10,
+			step: 0.01,
+			toViewValue: v => Math.round(v * 100) + '%',
+		},
+		seed: {
+			type: 'seed' as const,
+			default: 100,
+		},
+	},
+	main: ({ gl, program, u, params }) => {
+		gl.uniform1i(u.amount, params.amount);
+		gl.uniform1f(u.channelShift, params.channelShift);
+
+		const rnd = seedrandom(params.seed.toString());
+
+		for (let i = 0; i < params.amount; i++) {
+			const o = gl.getUniformLocation(program, `u_shiftOrigins[${i.toString()}]`);
+			gl.uniform1f(o, rnd());
+
+			const s = gl.getUniformLocation(program, `u_shiftStrengths[${i.toString()}]`);
+			gl.uniform1f(s, (1 - (rnd() * 2)) * params.strength);
+
+			const h = gl.getUniformLocation(program, `u_shiftHeights[${i.toString()}]`);
+			gl.uniform1f(h, rnd() * params.size);
+		}
+	},
+});
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