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-rw-r--r--plugin/src/Caelestia/cutils.cpp226
1 files changed, 0 insertions, 226 deletions
diff --git a/plugin/src/Caelestia/cutils.cpp b/plugin/src/Caelestia/cutils.cpp
index b5f7167..27074ee 100644
--- a/plugin/src/Caelestia/cutils.cpp
+++ b/plugin/src/Caelestia/cutils.cpp
@@ -116,232 +116,6 @@ bool CUtils::deleteFile(const QUrl& path) const {
return QFile::remove(path.toLocalFile());
}
-void CUtils::getDominantColour(QQuickItem* item, QJSValue callback) {
- this->getDominantColour(item, 128, callback);
-}
-
-void CUtils::getDominantColour(QQuickItem* item, int rescaleSize, QJSValue callback) {
- if (!item) {
- qWarning() << "CUtils::getDominantColour: an item is required";
- return;
- }
-
- if (!item->window()) {
- // Fail silently to avoid warning
- return;
- }
-
- const QSharedPointer<const QQuickItemGrabResult> grabResult = item->grabToImage();
-
- QObject::connect(
- grabResult.data(), &QQuickItemGrabResult::ready, this, [grabResult, rescaleSize, callback, this]() {
- const auto future = QtConcurrent::run(&CUtils::findDominantColour, this, grabResult->image(), rescaleSize);
- auto* watcher = new QFutureWatcher<QColor>(this);
- auto* engine = qmlEngine(this);
-
- QObject::connect(watcher, &QFutureWatcher<QColor>::finished, this, [=]() {
- if (callback.isCallable()) {
- callback.call({ engine->toScriptValue(QVariant::fromValue(watcher->result())) });
- }
- watcher->deleteLater();
- });
- watcher->setFuture(future);
- });
-}
-
-void CUtils::getDominantColour(const QString& path, QJSValue callback) {
- this->getDominantColour(path, 128, callback);
-}
-
-void CUtils::getDominantColour(const QString& path, int rescaleSize, QJSValue callback) {
- if (path.isEmpty()) {
- qWarning() << "CUtils::getDominantColour: given path is empty";
- return;
- }
-
- const auto future = QtConcurrent::run([=, this]() {
- const QImage image(path);
-
- if (image.isNull()) {
- qWarning() << "CUtils::getDominantColour: failed to load image" << path;
- return QColor();
- }
-
- return findDominantColour(image, rescaleSize);
- });
- auto* watcher = new QFutureWatcher<QColor>(this);
- auto* engine = qmlEngine(this);
-
- QObject::connect(watcher, &QFutureWatcher<QColor>::finished, this, [=]() {
- if (watcher->result().isValid() && callback.isCallable()) {
- callback.call({ engine->toScriptValue(QVariant::fromValue(watcher->result())) });
- }
- watcher->deleteLater();
- });
- watcher->setFuture(future);
-}
-
-QColor CUtils::findDominantColour(const QImage& image, int rescaleSize) const {
- if (image.isNull()) {
- qWarning() << "CUtils::findDominantColour: image is null";
- return QColor();
- }
-
- QImage img = image;
-
- if (rescaleSize > 0 && (img.width() > rescaleSize || img.height() > rescaleSize)) {
- img = img.scaled(rescaleSize, rescaleSize, Qt::KeepAspectRatio, Qt::FastTransformation);
- }
-
- if (img.format() != QImage::Format_ARGB32) {
- img = img.convertToFormat(QImage::Format_ARGB32);
- }
-
- std::unordered_map<quint32, int> colours;
- const uchar* data = img.bits();
- const int width = img.width();
- const int height = img.height();
- const qsizetype bytesPerLine = img.bytesPerLine();
-
- for (int y = 0; y < height; ++y) {
- const uchar* line = data + y * bytesPerLine;
- for (int x = 0; x < width; ++x) {
- const uchar* pixel = line + x * 4;
-
- if (pixel[3] == 0) {
- continue;
- }
-
- quint32 r = static_cast<quint32>(pixel[0] & 0xF8);
- quint32 g = static_cast<quint32>(pixel[1] & 0xF8);
- quint32 b = static_cast<quint32>(pixel[2] & 0xF8);
-
- quint32 colour = (r << 16) | (g << 8) | b;
- ++colours[colour];
- }
- }
-
- quint32 dominantColour = 0;
- int maxCount = 0;
- for (const auto& [colour, count] : colours) {
- if (count > maxCount) {
- dominantColour = colour;
- maxCount = count;
- }
- }
-
- return QColor((0xFFu << 24) | dominantColour);
-}
-
-void CUtils::getAverageLuminance(QQuickItem* item, QJSValue callback) {
- this->getAverageLuminance(item, 128, callback);
-}
-
-void CUtils::getAverageLuminance(QQuickItem* item, int rescaleSize, QJSValue callback) {
- if (!item) {
- qWarning() << "CUtils::getAverageLuminance: an item is required";
- return;
- }
-
- if (!item->window()) {
- // Fail silently to avoid warning
- return;
- }
-
- const QSharedPointer<const QQuickItemGrabResult> grabResult = item->grabToImage();
-
- QObject::connect(
- grabResult.data(), &QQuickItemGrabResult::ready, this, [grabResult, rescaleSize, callback, this]() {
- const auto future =
- QtConcurrent::run(&CUtils::findAverageLuminance, this, grabResult->image(), rescaleSize);
- auto* watcher = new QFutureWatcher<qreal>(this);
-
- QObject::connect(watcher, &QFutureWatcher<qreal>::finished, this, [=]() {
- if (callback.isCallable()) {
- callback.call({ QJSValue(watcher->result()) });
- }
- watcher->deleteLater();
- });
- watcher->setFuture(future);
- });
-}
-
-void CUtils::getAverageLuminance(const QString& path, QJSValue callback) {
- this->getAverageLuminance(path, 128, callback);
-}
-
-void CUtils::getAverageLuminance(const QString& path, int rescaleSize, QJSValue callback) {
- if (path.isEmpty()) {
- qWarning() << "CUtils::getAverageLuminance: given path is empty";
- return;
- }
-
- const auto future = QtConcurrent::run([=, this]() {
- const QImage image(path);
-
- if (image.isNull()) {
- qWarning() << "CUtils::getAverageLuminance: failed to load image" << path;
- return 0.0;
- }
-
- return findAverageLuminance(image, rescaleSize);
- });
- auto* watcher = new QFutureWatcher<qreal>(this);
-
- QObject::connect(watcher, &QFutureWatcher<qreal>::finished, this, [=]() {
- if (callback.isCallable()) {
- callback.call({ QJSValue(watcher->result()) });
- }
- watcher->deleteLater();
- });
- watcher->setFuture(future);
-}
-
-qreal CUtils::findAverageLuminance(const QImage& image, int rescaleSize) const {
- if (image.isNull()) {
- qWarning() << "CUtils::findAverageLuminance: image is null";
- return 0.0;
- }
-
- QImage img = image;
-
- if (rescaleSize > 0 && (img.width() > rescaleSize || img.height() > rescaleSize)) {
- img = img.scaled(rescaleSize, rescaleSize, Qt::KeepAspectRatio, Qt::FastTransformation);
- }
-
- if (img.format() != QImage::Format_ARGB32) {
- img = img.convertToFormat(QImage::Format_ARGB32);
- }
-
- const uchar* data = img.bits();
- const int width = img.width();
- const int height = img.height();
- const qsizetype bytesPerLine = img.bytesPerLine();
-
- qreal totalLuminance = 0.0;
- int count = 0;
-
- for (int y = 0; y < height; ++y) {
- const uchar* line = data + y * bytesPerLine;
- for (int x = 0; x < width; ++x) {
- const uchar* pixel = line + x * 4;
-
- if (pixel[3] == 0) {
- continue;
- }
-
- const qreal r = pixel[0] / 255.0;
- const qreal g = pixel[1] / 255.0;
- const qreal b = pixel[2] / 255.0;
-
- totalLuminance += std::sqrt(0.299 * r * r + 0.587 * g * g + 0.114 * b * b);
- ++count;
- }
- }
-
- return count == 0 ? 0.0 : totalLuminance / count;
-}
-
QString CUtils::toLocalFile(const QUrl& url) const {
if (!url.isLocalFile()) {
qWarning() << "CUtils::toLocalFile: given url is not a local file" << url;
generated by cgit v1.2.3-freya (git 2.51.1) at 2026-01-20 08:47:06 +0000