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-rw-r--r--tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp210
1 files changed, 210 insertions, 0 deletions
diff --git a/tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp b/tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp
index d2213f4..570f744 100644
--- a/tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp
+++ b/tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp
@@ -122,6 +122,10 @@ private slots:
void imageRiver();
void textRiver_data();
void textRiver();
+ void moveItemCache_data();
+ void moveItemCache();
+ void paintItemCache_data();
+ void paintItemCache();
};
tst_QGraphicsView::tst_QGraphicsView()
@@ -688,5 +692,211 @@ void tst_QGraphicsView::textRiver()
}
}
+class AnimatedPixmapCacheItem : public QGraphicsPixmapItem
+{
+public:
+ AnimatedPixmapCacheItem(int x, int y, QGraphicsItem *parent = 0)
+ : QGraphicsPixmapItem(parent)
+ {
+ xspeed = x;
+ yspeed = y;
+ }
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)
+ {
+ QGraphicsPixmapItem::paint(painter,option,widget);
+ //We just want to wait, and we don't want to process the event loop with qWait
+ QTest::qSleep(3);
+ }
+protected:
+ void advance(int i)
+ {
+ if (!i)
+ return;
+ int x = int(pos().x()) + pixmap().width();
+ x += xspeed;
+ x = (x % (300 + pixmap().width() * 2)) - pixmap().width();
+ int y = int(pos().y()) + pixmap().width();
+ y += yspeed;
+ y = (y % (300 + pixmap().width() * 2)) - pixmap().width();
+ setPos(x, y);
+ }
+
+private:
+ int xspeed;
+ int yspeed;
+};
+
+void tst_QGraphicsView::moveItemCache_data()
+{
+ QTest::addColumn<int>("direction");
+ QTest::addColumn<bool>("rotation");
+ QTest::addColumn<int>("cacheMode");
+ QTest::newRow("Horizontal movement : ItemCoordinate Cache") << 0 << false << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Horizontal movement : DeviceCoordinate Cache") << 0 << false << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Horizontal movement : No Cache") << 0 << false << (int)QGraphicsItem::NoCache;
+ QTest::newRow("Vertical + Horizontal movement : ItemCoordinate Cache") << 2 << false << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Vertical + Horizontal movement : DeviceCoordinate Cache") << 2 << false << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Vertical + Horizontal movement : No Cache") << 2 << false << (int)QGraphicsItem::NoCache;
+ QTest::newRow("Horizontal movement + Rotation : ItemCoordinate Cache") << 0 << true << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Horizontal movement + Rotation : DeviceCoordinate Cache") << 0 << true << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Horizontal movement + Rotation : No Cache") << 0 << true << (int)QGraphicsItem::NoCache;
+}
+
+void tst_QGraphicsView::moveItemCache()
+{
+ QFETCH(int, direction);
+ QFETCH(bool, rotation);
+ QFETCH(int, cacheMode);
+
+ QGraphicsScene scene(0, 0, 300, 300);
+
+ CountPaintEventView view(&scene);
+ view.resize(600, 600);
+ view.setFrameStyle(0);
+ view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.show();
+
+ QPixmap pix(":/images/wine.jpeg");
+ QVERIFY(!pix.isNull());
+
+ QList<QGraphicsItem *> items;
+ QFile file(":/random.data");
+ QVERIFY(file.open(QIODevice::ReadOnly));
+ QDataStream str(&file);
+ for (int i = 0; i < 50; ++i) {
+ AnimatedPixmapCacheItem *item;
+ if (direction == 0) item = new AnimatedPixmapCacheItem((i % 4) + 1, 0);
+ if (direction == 1) item = new AnimatedPixmapCacheItem(0, (i % 4) + 1);
+ if (direction == 2) item = new AnimatedPixmapCacheItem((i % 4) + 1, (i % 4) + 1);
+ item->setPixmap(pix);
+ item->setCacheMode((QGraphicsItem::CacheMode)cacheMode);
+ if (rotation)
+ item->setTransform(QTransform().rotate(45));
+ int rnd1, rnd2;
+ str >> rnd1 >> rnd2;
+ item->setPos(-pix.width() + rnd1 % (view.width() + pix.width()),
+ -pix.height() + rnd2 % (view.height() + pix.height()));
+ scene.addItem(item);
+ }
+
+ view.count = 0;
+
+ QBENCHMARK {
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_START_INSTRUMENTATION
+#endif
+ for (int i = 0; i < 100; ++i) {
+ scene.advance();
+ while (view.count < (i+1))
+ qApp->processEvents();
+ }
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_STOP_INSTRUMENTATION
+#endif
+ }
+}
+
+class UpdatedPixmapCacheItem : public QGraphicsPixmapItem
+{
+public:
+ UpdatedPixmapCacheItem(bool partial, QGraphicsItem *parent = 0)
+ : QGraphicsPixmapItem(parent), partial(partial)
+ {
+ }
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)
+ {
+ QGraphicsPixmapItem::paint(painter,option,widget);
+ }
+protected:
+ void advance(int i)
+ {
+ if (partial)
+ update(QRectF(boundingRect().center().x(), boundingRect().center().x(), 30, 30));
+ else
+ update();
+ }
+
+private:
+ bool partial;
+};
+
+void tst_QGraphicsView::paintItemCache_data()
+{
+ QTest::addColumn<bool>("updatePartial");
+ QTest::addColumn<bool>("rotation");
+ QTest::addColumn<int>("cacheMode");
+ QTest::newRow("Partial Update : ItemCoordinate Cache") << true << false << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Partial Update : DeviceCoordinate Cache") << true << false << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Partial Update : No Cache") << true << false << (int)QGraphicsItem::NoCache;
+ QTest::newRow("Full Update : ItemCoordinate Cache") << false << false << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Full Update : DeviceCoordinate Cache") << false << false << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Full Update : No Cache") << false << false << (int)QGraphicsItem::NoCache;
+ QTest::newRow("Partial Update : ItemCoordinate Cache item rotated") << true << true << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Partial Update : DeviceCoordinate Cache item rotated") << true << true << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Partial Update : No Cache item rotated") << true << true << (int)QGraphicsItem::NoCache;
+ QTest::newRow("Full Update : ItemCoordinate Cache item rotated") << false << true << (int)QGraphicsItem::ItemCoordinateCache;
+ QTest::newRow("Full Update : DeviceCoordinate Cache item rotated") << false << true << (int)QGraphicsItem::DeviceCoordinateCache;
+ QTest::newRow("Full Update : No Cache item rotated") << false << true <<(int)QGraphicsItem::NoCache;
+}
+
+void tst_QGraphicsView::paintItemCache()
+{
+ QFETCH(bool, updatePartial);
+ QFETCH(bool, rotation);
+ QFETCH(int, cacheMode);
+
+ QGraphicsScene scene(0, 0, 300, 300);
+
+ CountPaintEventView view(&scene);
+ view.resize(600, 600);
+ view.setFrameStyle(0);
+ view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.show();
+
+ QPixmap pix(":/images/wine.jpeg");
+ QVERIFY(!pix.isNull());
+
+ QList<QGraphicsItem *> items;
+ QFile file(":/random.data");
+ QVERIFY(file.open(QIODevice::ReadOnly));
+ QDataStream str(&file);
+ UpdatedPixmapCacheItem *item = new UpdatedPixmapCacheItem(updatePartial);
+ item->setPixmap(pix);
+ item->setCacheMode((QGraphicsItem::CacheMode)cacheMode);
+ if (rotation)
+ item->setTransform(QTransform().rotate(45));
+ item->setPos(-100, -100);
+ scene.addItem(item);
+
+ QPixmap pix2(":/images/wine-big.jpeg");
+ item = new UpdatedPixmapCacheItem(updatePartial);
+ item->setPixmap(pix2);
+ item->setCacheMode((QGraphicsItem::CacheMode)cacheMode);
+ if (rotation)
+ item->setTransform(QTransform().rotate(45));
+ item->setPos(0, 0);
+ scene.addItem(item);
+
+ view.count = 0;
+
+ QBENCHMARK {
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_START_INSTRUMENTATION
+#endif
+ for (int i = 0; i < 50; ++i) {
+ scene.advance();
+ while (view.count < (i+1))
+ qApp->processEvents();
+ }
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_STOP_INSTRUMENTATION
+#endif
+ }
+}
+
QTEST_MAIN(tst_QGraphicsView)
#include "tst_qgraphicsview.moc"
generated by cgit v0.12 at 2024-11-10 00:50:36 (GMT)