From f014b7ae0ece886ef0cff2366b9925e23b34ba6f Mon Sep 17 00:00:00 2001
From: MeiMei <30769358+mei23@users.noreply.github.com>
Date: Tue, 5 Feb 2019 03:01:36 +0900
Subject: アニメーションを自動再生しないオプション (#4131)
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* Refactor

* settings

* Media Proxy

* Replace API response
---
 src/services/drive/image-processor.ts | 75 +++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/services/drive/image-processor.ts

(limited to 'src/services/drive/image-processor.ts')

diff --git a/src/services/drive/image-processor.ts b/src/services/drive/image-processor.ts
new file mode 100644
index 0000000000..3c538390b0
--- /dev/null
+++ b/src/services/drive/image-processor.ts
@@ -0,0 +1,75 @@
+import * as sharp from 'sharp';
+
+export type IImage = {
+	data: Buffer;
+	ext: string;
+	type: string;
+};
+
+/**
+ * Convert to JPEG
+ *   with resize, remove metadata, resolve orientation, stop animation
+ */
+export async function ConvertToJpeg(path: string, width: number, height: number): Promise<IImage> {
+	const data = await sharp(path)
+		.resize(width, height, {
+			fit: 'inside',
+			withoutEnlargement: true
+		})
+		.rotate()
+		.jpeg({
+			quality: 85,
+			progressive: true
+		})
+		.toBuffer();
+
+	return {
+		data,
+		ext: 'jpg',
+		type: 'image/jpeg'
+	};
+}
+
+/**
+ * Convert to WebP
+ *   with resize, remove metadata, resolve orientation, stop animation
+ */
+export async function ConvertToWebp(path: string, width: number, height: number): Promise<IImage> {
+	const data = await sharp(path)
+		.resize(width, height, {
+			fit: 'inside',
+			withoutEnlargement: true
+		})
+		.rotate()
+		.webp({
+			quality: 85
+		})
+		.toBuffer();
+
+	return {
+		data,
+		ext: 'webp',
+		type: 'image/webp'
+	};
+}
+
+/**
+ * Convert to PNG
+ *   with resize, remove metadata, resolve orientation, stop animation
+ */
+export async function ConvertToPng(path: string, width: number, height: number): Promise<IImage> {
+	const data = await sharp(path)
+		.resize(width, height, {
+			fit: 'inside',
+			withoutEnlargement: true
+		})
+		.rotate()
+		.png()
+		.toBuffer();
+
+	return {
+		data,
+		ext: 'png',
+		type: 'image/png'
+	};
+}
-- 
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