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Qt: fix image ratio in screenshot_manager_dialog

This commit is contained in:
Megamouse 2022-07-28 21:15:25 +02:00
parent f31ffc4596
commit e6885e25b5
3 changed files with 35 additions and 2 deletions
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28
rpcs3/rpcs3qt/qt_utils.cpp
View File

@ -195,6 +195,34 @@ namespace gui
return l.sizeHint().width();
}
QImage get_centered_image(const QString& path, const QSize& icon_size, int offset_x, int offset_y, qreal device_pixel_ratio)
{
// Create empty canvas for expanded image
QImage exp_img(icon_size, QImage::Format_ARGB32);
exp_img.setDevicePixelRatio(device_pixel_ratio);
exp_img.fill(Qt::transparent);
// Load scaled pixmap
const QPixmap pixmap = QPixmap(path).scaled(icon_size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
// Define offset for raw image placement
QPoint offset(offset_x + icon_size.width() / 2 - pixmap.width() / 2,
offset_y + icon_size.height() / 2 - pixmap.height() / 2);
// Place raw image inside expanded image
QPainter painter(&exp_img);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.drawPixmap(offset, pixmap);
painter.end();
return exp_img;
}
QPixmap get_centered_pixmap(const QString& path, const QSize& icon_size, int offset_x, int offset_y, qreal device_pixel_ratio)
{
return QPixmap::fromImage(get_centered_image(path, icon_size, offset_x, offset_y, device_pixel_ratio));
}
QImage get_opaque_image_area(const QString& path)
{
QImage image = QImage(path);

6
rpcs3/rpcs3qt/qt_utils.h
View File

@ -80,6 +80,12 @@ namespace gui
qobj.setFont(font);
}
// Returns a scaled, centered QImage
QImage get_centered_image(const QString& path, const QSize& icon_size, int offset_x, int offset_y, qreal device_pixel_ratio);
// Returns a scaled, centered QPixmap
QPixmap get_centered_pixmap(const QString& path, const QSize& icon_size, int offset_x, int offset_y, qreal device_pixel_ratio);
// Returns the part of the image loaded from path that is inside the bounding box of its opaque areas
QImage get_opaque_image_area(const QString& path);

3
rpcs3/rpcs3qt/screenshot_manager_dialog.cpp
View File

@ -152,8 +152,7 @@ void screenshot_manager_dialog::update_icons(int value)
const std::function<thumbnail(thumbnail)> load = [icon_size = m_icon_size](thumbnail tn) -> thumbnail
{
const QPixmap pixmap(tn.path);
tn.icon = QIcon(pixmap.scaled(icon_size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
tn.icon = QIcon(gui::utils::get_centered_pixmap(tn.path, icon_size, 0, 0, 1.0));
return tn;
};