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Fix wrong position and scaling of svg pixmaps when zoomed out (#5563)

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* fix scaling for player icon profile pic

* fix scaling for other svgs
This commit is contained in:
RickyRister 2025-02-04 14:22:05 -08:00 • committed by GitHub
parent 0503fe589c
commit 218ed726b6
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GPG key ID: B5690EEEBB952194
2 changed files with 27 additions and 15 deletions
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20
cockatrice/src/client/ui/pixel_map_generator.cpp
View file

@ -19,11 +19,12 @@
* Loads in an svg from file and scales it without affecting image quality.
*
* @param svgPath The path to the svg file. Automatically appends ".svg" to the end if not present
* @param size The desired size of the pixmap
* @param size The desired size of the pixmap.
* @param expandOnly If true, then keep the size of the initial pixmap to at least the svg size.
*
* @return The svg loaded into a Pixmap with the given size, or an empty Pixmap if the loading failed.
*/
static QPixmap loadSvg(const QString &svgPath, const QSize &size)
static QPixmap loadSvg(const QString &svgPath, const QSize &size, bool expandOnly = false)
{
QString path = svgPath;
if (!path.endsWith(".svg")) {
@ -37,16 +38,21 @@ static QPixmap loadSvg(const QString &svgPath, const QSize &size)
return {};
}
// Makes sure the pixmap is at least as large as the svg, so that we don't lose any detail.
// If expandOnly, make sure the pixmap is at least as large as the svg, so that we don't lose any detail.
// QIcon.pixmap(size) will automatically scale down the image, but it won't scale it up.
QPixmap pix(svgRenderer.defaultSize().expandedTo(size));
QSize pixmapSize = expandOnly ? svgRenderer.defaultSize().expandedTo(size) : size;
QPixmap pix(pixmapSize);
pix.fill(Qt::transparent);
QPainter pixPainter(&pix);
svgRenderer.render(&pixPainter);
// Converting the pixmap to a QIcon and back is the easiest way to scale down a svg without affecting image quality
return QIcon(pix).pixmap(size);
if (expandOnly) {
return QIcon(pix).pixmap(size);
}
return pix;
}
QMap<QString, QPixmap> PhasePixmapGenerator::pmCache;
@ -129,7 +135,7 @@ QPixmap CountryPixmapGenerator::generatePixmap(int height, const QString &countr
return pmCache.value(key);
int width = height * 2;
QPixmap pixmap = loadSvg("theme:countries/" + countryCode.toLower(), QSize(width, height));
QPixmap pixmap = loadSvg("theme:countries/" + countryCode.toLower(), QSize(width, height), true);
QPainter painter(&pixmap);
painter.setPen(Qt::black);
@ -321,7 +327,7 @@ QPixmap LockPixmapGenerator::generatePixmap(int height)
if (pmCache.contains(key))
return pmCache.value(key);
QPixmap pixmap = loadSvg("theme:icons/lock", QSize(height, height));
QPixmap pixmap = loadSvg("theme:icons/lock", QSize(height, height), true);
pmCache.insert(key, pixmap);
return pixmap;
}

22
cockatrice/src/game/player/player_target.cpp
View file

@ -88,6 +88,7 @@ void PlayerTarget::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*o
const QString cacheKey = "avatar" + QString::number(translatedSize.width()) + "_" +
QString::number(info->user_level()) + "_" + QString::number(fullPixmap.cacheKey());
if (!QPixmapCache::find(cacheKey, &cachedPixmap)) {
qDebug() << "TRACK cache miss" << cacheKey;
cachedPixmap = QPixmap(translatedSize.width(), translatedSize.height());
QPainter tempPainter(&cachedPixmap);
@ -101,16 +102,21 @@ void PlayerTarget::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*o
grad.setColorAt(0, QColor(180, 180, 180));
tempPainter.fillRect(QRectF(0, 0, translatedSize.width(), translatedSize.height()), grad);
QPixmap tempPixmap;
if (fullPixmap.isNull())
tempPixmap = UserLevelPixmapGenerator::generatePixmap(
translatedSize.height(), UserLevelFlags(info->user_level()), info->pawn_colors(), false,
if (fullPixmap.isNull()) {
int sideLength = translatedSize.height();
QPixmap tempPixmap = UserLevelPixmapGenerator::generatePixmap(
sideLength, UserLevelFlags(info->user_level()), info->pawn_colors(), false,
QString::fromStdString(info->privlevel()));
else
tempPixmap = fullPixmap.scaled(translatedSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
int x = (translatedSize.width() - sideLength) / 2;
int y = 0;
tempPainter.drawPixmap(x, y, tempPixmap);
} else {
QPixmap tempPixmap = fullPixmap.scaled(translatedSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
int x = (translatedSize.width() - tempPixmap.width()) / 2;
int y = (translatedSize.height() - tempPixmap.height()) / 2;
tempPainter.drawPixmap(x, y, tempPixmap);
}
tempPainter.drawPixmap((translatedSize.width() - tempPixmap.width()) / 2,
(translatedSize.height() - tempPixmap.height()) / 2, tempPixmap);
QPixmapCache::insert(cacheKey, cachedPixmap);
}