Funkwhale/strawberry-audio-player-windows-mac-linux
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Code Issues Releases Wiki Activity

Fix album art rendering on High DPI displays

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This commit is contained in:
Fletcher Dostie 2023-03-22 21:33:22 -07:00 committed by Jonas Kvinge
parent ca176c319d
commit bb43cc63ec
5 changed files with 23 additions and 15 deletions
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6
src/context/contextalbum.cpp
View File

@ -63,7 +63,7 @@ ContextAlbum::ContextAlbum(QWidget *parent)
cover_loader_options_.desired_height_ = width();
cover_loader_options_.pad_output_image_ = true;
cover_loader_options_.scale_output_image_ = true;
QImage image = ImageUtils::ScaleAndPad(image_strawberry_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_);
QImage image = ImageUtils::ScaleAndPad(image_strawberry_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_, devicePixelRatioF());
if (!image.isNull()) {
pixmap_current_ = QPixmap::fromImage(image);
}
@ -235,7 +235,7 @@ void ContextAlbum::FadePreviousCoverFinished(std::shared_ptr<PreviousCover> prev
void ContextAlbum::ScaleCover() {
QImage image = ImageUtils::ScaleAndPad(image_original_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_);
QImage image = ImageUtils::ScaleAndPad(image_original_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_, devicePixelRatioF());
if (image.isNull()) {
pixmap_current_ = QPixmap();
}
@ -248,7 +248,7 @@ void ContextAlbum::ScaleCover() {
void ContextAlbum::ScalePreviousCovers() {
for (std::shared_ptr<PreviousCover> previous_cover : previous_covers_) {
QImage image = ImageUtils::ScaleAndPad(previous_cover->image, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_);
QImage image = ImageUtils::ScaleAndPad(previous_cover->image, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_, devicePixelRatioF());
if (image.isNull()) {
previous_cover->pixmap = QPixmap();
}

18
src/covermanager/albumcoverchoicecontroller.cpp
View File

@ -442,12 +442,18 @@ void AlbumCoverChoiceController::ShowCover(const Song &song, const QImage &image
song.has_embedded_cover()
) {
QPixmap pixmap = ImageUtils::TryLoadPixmap(song.art_automatic(), song.art_manual(), song.url());
if (!pixmap.isNull()) ShowCover(song, pixmap);
if (!pixmap.isNull()) {
pixmap.setDevicePixelRatio(devicePixelRatioF());
ShowCover(song, pixmap);
}
}
}
else {
QPixmap pixmap = QPixmap::fromImage(image);
if (!pixmap.isNull()) ShowCover(song, pixmap);
if (!pixmap.isNull()) {
pixmap.setDevicePixelRatio(devicePixelRatioF());
ShowCover(song, pixmap);
}
}
}
@ -481,21 +487,21 @@ void AlbumCoverChoiceController::ShowCover(const Song &song, const QPixmap &pixm
if (desktop_width < desktop_height) {
const int new_width = static_cast<int>(static_cast<double>(desktop_width) * 0.95);
if (new_width < pixmap.width()) {
label->setPixmap(pixmap.scaledToWidth(new_width, Qt::SmoothTransformation));
label->setPixmap(pixmap.scaledToWidth(new_width * pixmap.devicePixelRatioF(), Qt::SmoothTransformation));
}
}
else {
const int new_height = static_cast<int>(static_cast<double>(desktop_height) * 0.85);
if (new_height < pixmap.height()) {
label->setPixmap(pixmap.scaledToHeight(new_height, Qt::SmoothTransformation));
label->setPixmap(pixmap.scaledToHeight(new_height * pixmap.devicePixelRatioF(), Qt::SmoothTransformation));
}
}
dialog->setWindowTitle(title_text);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
dialog->setFixedSize(label->pixmap(Qt::ReturnByValue).size());
dialog->setFixedSize(label->pixmap(Qt::ReturnByValue).size() / pixmap.devicePixelRatioF());
#else
dialog->setFixedSize(label->pixmap()->size());
dialog->setFixedSize(label->pixmap()->size() / pixmap.devicePixelRatioF());
#endif
dialog->show();

10
src/utilities/imageutils.cpp
View File

@ -138,14 +138,16 @@ QByteArray ImageUtils::FileToJpegData(const QString &filename) {
}
QImage ImageUtils::ScaleAndPad(const QImage &image, const bool scale, const bool pad, const int desired_height) {
QImage ImageUtils::ScaleAndPad(const QImage &image, const bool scale, const bool pad, const int desired_height, const qreal device_pixel_ratio) {
if (image.isNull()) return image;
const int scaled_height = desired_height * device_pixel_ratio;
// Scale the image down
QImage image_scaled;
if (scale) {
image_scaled = image.scaled(QSize(desired_height, desired_height), Qt::KeepAspectRatio, Qt::SmoothTransformation);
image_scaled = image.scaled(QSize(scaled_height, scaled_height), Qt::KeepAspectRatio, Qt::SmoothTransformation);
}
else {
image_scaled = image;
@ -153,11 +155,11 @@ QImage ImageUtils::ScaleAndPad(const QImage &image, const bool scale, const bool
// Pad the image to height x height
if (pad) {
QImage image_padded(desired_height, desired_height, QImage::Format_ARGB32);
QImage image_padded(scaled_height, scaled_height, QImage::Format_ARGB32);
image_padded.fill(0);
QPainter p(&image_padded);
p.drawImage((desired_height - image_scaled.width()) / 2, (desired_height - image_scaled.height()) / 2, image_scaled);
p.drawImage((scaled_height - image_scaled.width()) / 2, (scaled_height - image_scaled.height()) / 2, image_scaled);
p.end();
image_scaled = image_padded;

2
src/utilities/imageutils.h
View File

@ -41,7 +41,7 @@ class ImageUtils {
static QByteArray SaveImageToJpegData(const QImage &image = QImage());
static QByteArray FileToJpegData(const QString &filename);
static QPixmap TryLoadPixmap(const QUrl &automatic, const QUrl &manual, const QUrl &url = QUrl());
static QImage ScaleAndPad(const QImage &image, const bool scale, const bool pad, const int desired_height);
static QImage ScaleAndPad(const QImage &image, const bool scale, const bool pad, const int desired_height, const qreal device_pixel_ratio = 1.0f);
static QImage CreateThumbnail(const QImage &image, const bool pad, const QSize size);
static QImage GenerateNoCoverImage(const QSize size = QSize());

2
src/widgets/playingwidget.cpp
View File

@ -333,7 +333,7 @@ void PlayingWidget::SetImage(const QImage &image) {
void PlayingWidget::ScaleCover() {
QImage image = ImageUtils::ScaleAndPad(image_original_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_);
QImage image = ImageUtils::ScaleAndPad(image_original_, cover_loader_options_.scale_output_image_, cover_loader_options_.pad_output_image_, cover_loader_options_.desired_height_, devicePixelRatioF());
if (image.isNull()) pixmap_cover_ = QPixmap();
else pixmap_cover_ = QPixmap::fromImage(image);
update();