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proper pixmap caching for hand counter

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This commit is contained in:
Max-Wilhelm Bruker 2010-06-17 20:24:11 +02:00
parent df7bcf179d
commit f33abf14ca
2 changed files with 16 additions and 9 deletions
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24
cockatrice/src/handcounter.cpp
View file

@ -1,5 +1,6 @@
#include <QPainter> #include <QPainter>
#include <QSvgRenderer> #include <QSvgRenderer>
#include <QPixmapCache>
#include "handcounter.h" #include "handcounter.h"
#include "cardzone.h" #include "cardzone.h"
@ -7,17 +8,10 @@ HandCounter::HandCounter(QGraphicsItem *parent)
: AbstractGraphicsItem(parent), number(0) : AbstractGraphicsItem(parent), number(0)
{ {
setCacheMode(DeviceCoordinateCache); setCacheMode(DeviceCoordinateCache);
QSvgRenderer svg(QString(":/resources/hand.svg"));
handImage = new QPixmap(72, 72);
handImage->fill(Qt::transparent);
QPainter painter(handImage);
svg.render(&painter, QRectF(0, 0, 72, 72));
} }
HandCounter::~HandCounter() HandCounter::~HandCounter()
{ {
delete handImage;
} }
void HandCounter::updateNumber() void HandCounter::updateNumber()
@ -33,6 +27,20 @@ QRectF HandCounter::boundingRect() const
void HandCounter::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/, QWidget * /*widget*/) void HandCounter::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/, QWidget * /*widget*/)
{ {
painter->drawPixmap(handImage->rect(), *handImage, handImage->rect()); painter->save();
QSize translatedSize = painter->combinedTransform().mapRect(boundingRect()).size().toSize();
QPixmap cachedPixmap;
if (!QPixmapCache::find("handCounter" + QString::number(translatedSize.width()), &cachedPixmap)) {
QSvgRenderer svg(QString(":/resources/hand.svg"));
cachedPixmap = QPixmap(translatedSize);
cachedPixmap.fill(Qt::transparent);
QPainter painter(&cachedPixmap);
svg.render(&painter, QRectF(0, 0, translatedSize.width(), translatedSize.height()));
QPixmapCache::insert("handCounter" + QString::number(translatedSize.width()), cachedPixmap);
}
painter->resetTransform();
painter->drawPixmap(cachedPixmap.rect(), cachedPixmap, cachedPixmap.rect());
painter->restore();
paintNumberEllipse(number, 24, Qt::white, -1, painter); paintNumberEllipse(number, 24, Qt::white, -1, painter);
} }

1
cockatrice/src/handcounter.h
View file

@ -11,7 +11,6 @@ class HandCounter : public QObject, public AbstractGraphicsItem {
Q_OBJECT Q_OBJECT
private: private:
int number; int number;
QPixmap *handImage;
public slots: public slots:
void updateNumber(); void updateNumber();
public: public: