--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/qgraphicsview/tst_qgraphicsview.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,902 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qtest.h>
+#include <QDebug>
+#include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QImage>
+#ifdef Q_WS_X11
+QT_BEGIN_NAMESPACE
+extern void qt_x11_wait_for_window_manager(QWidget *);
+QT_END_NAMESPACE
+#endif
+#include "chiptester/chiptester.h"
+//#define CALLGRIND_DEBUG
+#ifdef CALLGRIND_DEBUG
+#include "valgrind/callgrind.h"
+#endif
+
+//TESTED_FILES=
+
+class QEventWaiter : public QEventLoop
+{
+public:
+ QEventWaiter(QObject *receiver, QEvent::Type type)
+ : waiting(false), t(type)
+ {
+ receiver->installEventFilter(this);
+ }
+
+ void wait()
+ {
+ waiting = true;
+ exec();
+ }
+
+ bool eventFilter(QObject *receiver, QEvent *event)
+ {
+ Q_UNUSED(receiver);
+ if (waiting && event->type() == t) {
+ waiting = false;
+ exit();
+ }
+ return false;
+ }
+
+private:
+ bool waiting;
+ QEvent::Type t;
+};
+
+class tst_QGraphicsView : public QObject
+{
+ Q_OBJECT
+
+public:
+ tst_QGraphicsView();
+ virtual ~tst_QGraphicsView();
+
+public slots:
+ void init();
+ void cleanup();
+
+private slots:
+ void construct();
+ void paintSingleItem();
+ void paintDeepStackingItems();
+ void paintDeepStackingItems_clipped();
+ void moveSingleItem();
+ void mapPointToScene_data();
+ void mapPointToScene();
+ void mapPointFromScene_data();
+ void mapPointFromScene();
+ void mapRectToScene_data();
+ void mapRectToScene();
+ void mapRectFromScene_data();
+ void mapRectFromScene();
+ void chipTester_data();
+ void chipTester();
+ void deepNesting_data();
+ void deepNesting();
+ void imageRiver_data();
+ void imageRiver();
+ void textRiver_data();
+ void textRiver();
+ void moveItemCache_data();
+ void moveItemCache();
+ void paintItemCache_data();
+ void paintItemCache();
+};
+
+tst_QGraphicsView::tst_QGraphicsView()
+{
+}
+
+tst_QGraphicsView::~tst_QGraphicsView()
+{
+}
+
+void tst_QGraphicsView::init()
+{
+}
+
+void tst_QGraphicsView::cleanup()
+{
+}
+
+void tst_QGraphicsView::construct()
+{
+ QBENCHMARK {
+ QGraphicsView view;
+ }
+}
+
+void tst_QGraphicsView::paintSingleItem()
+{
+ QGraphicsScene scene(0, 0, 100, 100);
+ scene.addRect(0, 0, 10, 10);
+
+ QGraphicsView view(&scene);
+ view.show();
+ view.resize(100, 100);
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+
+ QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
+ QPainter painter(&image);
+ QBENCHMARK {
+ view.viewport()->render(&painter);
+ }
+}
+
+void tst_QGraphicsView::paintDeepStackingItems()
+{
+ QGraphicsScene scene(0, 0, 100, 100);
+ QGraphicsRectItem *item = scene.addRect(0, 0, 10, 10);
+ QGraphicsRectItem *lastRect = item;
+ for (int i = 0; i < 1000; ++i) {
+ QGraphicsRectItem *rect = scene.addRect(0, 0, 10, 10);
+ rect->setPos(1, 1);
+ rect->setParentItem(lastRect);
+ lastRect = rect;
+ }
+
+ QGraphicsView view(&scene);
+ view.show();
+ view.resize(100, 100);
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+
+ QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
+ QPainter painter(&image);
+ QBENCHMARK {
+ view.viewport()->render(&painter);
+ }
+}
+
+void tst_QGraphicsView::paintDeepStackingItems_clipped()
+{
+ QGraphicsScene scene(0, 0, 100, 100);
+ QGraphicsRectItem *item = scene.addRect(0, 0, 10, 10);
+ item->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
+ QGraphicsRectItem *lastRect = item;
+ for (int i = 0; i < 1000; ++i) {
+ QGraphicsRectItem *rect = scene.addRect(0, 0, 10, 10);
+ rect->setPos(1, 1);
+ rect->setParentItem(lastRect);
+ lastRect = rect;
+ }
+
+ QGraphicsView view(&scene);
+ view.show();
+ view.resize(100, 100);
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+
+ QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
+ QPainter painter(&image);
+ QBENCHMARK {
+ view.viewport()->render(&painter);
+ }
+}
+
+void tst_QGraphicsView::moveSingleItem()
+{
+ QGraphicsScene scene(0, 0, 100, 100);
+ QGraphicsRectItem *item = scene.addRect(0, 0, 10, 10);
+
+ QGraphicsView view(&scene);
+ view.show();
+ view.resize(100, 100);
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+
+ QEventWaiter waiter(view.viewport(), QEvent::Paint);
+ int n = 1;
+ QBENCHMARK {
+ item->setPos(25 * n, 25 * n);
+ waiter.wait();
+ n = n ? 0 : 1;
+ }
+}
+
+void tst_QGraphicsView::mapPointToScene_data()
+{
+ QTest::addColumn<QTransform>("transform");
+ QTest::addColumn<QPoint>("point");
+
+ QTest::newRow("null") << QTransform() << QPoint();
+ QTest::newRow("identity QPoint(100, 100)") << QTransform() << QPoint(100, 100);
+ QTest::newRow("rotate QPoint(100, 100)") << QTransform().rotate(90) << QPoint(100, 100);
+ QTest::newRow("scale QPoint(100, 100)") << QTransform().scale(5, 5) << QPoint(100, 100);
+ QTest::newRow("translate QPoint(100, 100)") << QTransform().translate(5, 5) << QPoint(100, 100);
+ QTest::newRow("shear QPoint(100, 100)") << QTransform().shear(1.5, 1.5) << QPoint(100, 100);
+ QTest::newRow("perspect QPoint(100, 100)") << QTransform().rotate(45, Qt::XAxis) << QPoint(100, 100);
+}
+
+void tst_QGraphicsView::mapPointToScene()
+{
+ QFETCH(QTransform, transform);
+ QFETCH(QPoint, point);
+
+ QGraphicsView view;
+ view.setTransform(transform);
+ QBENCHMARK {
+ view.mapToScene(point);
+ }
+}
+
+void tst_QGraphicsView::mapPointFromScene_data()
+{
+ QTest::addColumn<QTransform>("transform");
+ QTest::addColumn<QPointF>("point");
+
+ QTest::newRow("null") << QTransform() << QPointF();
+ QTest::newRow("identity QPointF(100, 100)") << QTransform() << QPointF(100, 100);
+ QTest::newRow("rotate QPointF(100, 100)") << QTransform().rotate(90) << QPointF(100, 100);
+ QTest::newRow("scale QPointF(100, 100)") << QTransform().scale(5, 5) << QPointF(100, 100);
+ QTest::newRow("translate QPointF(100, 100)") << QTransform().translate(5, 5) << QPointF(100, 100);
+ QTest::newRow("shear QPointF(100, 100)") << QTransform().shear(1.5, 1.5) << QPointF(100, 100);
+ QTest::newRow("perspect QPointF(100, 100)") << QTransform().rotate(45, Qt::XAxis) << QPointF(100, 100);
+}
+
+void tst_QGraphicsView::mapPointFromScene()
+{
+ QFETCH(QTransform, transform);
+ QFETCH(QPointF, point);
+
+ QGraphicsView view;
+ view.setTransform(transform);
+ QBENCHMARK {
+ view.mapFromScene(point);
+ }
+}
+
+void tst_QGraphicsView::mapRectToScene_data()
+{
+ QTest::addColumn<QTransform>("transform");
+ QTest::addColumn<QRect>("rect");
+
+ QTest::newRow("null") << QTransform() << QRect();
+ QTest::newRow("identity QRect(0, 0, 100, 100)") << QTransform() << QRect(0, 0, 100, 100);
+ QTest::newRow("rotate QRect(0, 0, 100, 100)") << QTransform().rotate(90) << QRect(0, 0, 100, 100);
+ QTest::newRow("scale QRect(0, 0, 100, 100)") << QTransform().scale(5, 5) << QRect(0, 0, 100, 100);
+ QTest::newRow("translate QRect(0, 0, 100, 100)") << QTransform().translate(5, 5) << QRect(0, 0, 100, 100);
+ QTest::newRow("shear QRect(0, 0, 100, 100)") << QTransform().shear(1.5, 1.5) << QRect(0, 0, 100, 100);
+ QTest::newRow("perspect QRect(0, 0, 100, 100)") << QTransform().rotate(45, Qt::XAxis) << QRect(0, 0, 100, 100);
+}
+
+void tst_QGraphicsView::mapRectToScene()
+{
+ QFETCH(QTransform, transform);
+ QFETCH(QRect, rect);
+
+ QGraphicsView view;
+ view.setTransform(transform);
+ QBENCHMARK {
+ view.mapToScene(rect);
+ }
+}
+
+void tst_QGraphicsView::mapRectFromScene_data()
+{
+ QTest::addColumn<QTransform>("transform");
+ QTest::addColumn<QRectF>("rect");
+
+ QTest::newRow("null") << QTransform() << QRectF();
+ QTest::newRow("identity QRectF(0, 0, 100, 100)") << QTransform() << QRectF(0, 0, 100, 100);
+ QTest::newRow("rotate QRectF(0, 0, 100, 100)") << QTransform().rotate(90) << QRectF(0, 0, 100, 100);
+ QTest::newRow("scale QRectF(0, 0, 100, 100)") << QTransform().scale(5, 5) << QRectF(0, 0, 100, 100);
+ QTest::newRow("translate QRectF(0, 0, 100, 100)") << QTransform().translate(5, 5) << QRectF(0, 0, 100, 100);
+ QTest::newRow("shear QRectF(0, 0, 100, 100)") << QTransform().shear(1.5, 1.5) << QRectF(0, 0, 100, 100);
+ QTest::newRow("perspect QRectF(0, 0, 100, 100)") << QTransform().rotate(45, Qt::XAxis) << QRectF(0, 0, 100, 100);
+}
+
+void tst_QGraphicsView::mapRectFromScene()
+{
+ QFETCH(QTransform, transform);
+ QFETCH(QRectF, rect);
+
+ QGraphicsView view;
+ view.setTransform(transform);
+ QBENCHMARK {
+ view.mapFromScene(rect);
+ }
+}
+
+void tst_QGraphicsView::chipTester_data()
+{
+ QTest::addColumn<bool>("antialias");
+ QTest::addColumn<bool>("opengl");
+ QTest::addColumn<int>("operation");
+ QTest::newRow("rotate, normal") << false << false << 0;
+ QTest::newRow("rotate, normal, antialias") << true << false << 0;
+ QTest::newRow("rotate, opengl") << false << true << 0;
+ QTest::newRow("rotate, opengl, antialias") << true << true << 0;
+ QTest::newRow("zoom, normal") << false << false << 1;
+ QTest::newRow("zoom, normal, antialias") << true << false << 1;
+ QTest::newRow("zoom, opengl") << false << true << 1;
+ QTest::newRow("zoom, opengl, antialias") << true << true << 1;
+ QTest::newRow("translate, normal") << false << false << 2;
+ QTest::newRow("translate, normal, antialias") << true << false << 2;
+ QTest::newRow("translate, opengl") << false << true << 2;
+ QTest::newRow("translate, opengl, antialias") << true << true << 2;
+}
+
+void tst_QGraphicsView::chipTester()
+{
+ QFETCH(bool, antialias);
+ QFETCH(bool, opengl);
+ QFETCH(int, operation);
+
+ ChipTester tester;
+ tester.show();
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&tester);
+#endif
+ tester.setAntialias(antialias);
+ tester.setOpenGL(opengl);
+ tester.setOperation(ChipTester::Operation(operation));
+ QBENCHMARK {
+ tester.runBenchmark();
+ }
+}
+
+static void addChildHelper(QGraphicsItem *parent, int n, bool rotate)
+{
+ if (!n)
+ return;
+ QGraphicsRectItem *item = new QGraphicsRectItem(QRectF(0, 0, 50, 50), parent);
+ item->setPos(10, 10);
+ if (rotate)
+ item->rotate(10);
+ addChildHelper(item, n - 1, rotate);
+}
+
+void tst_QGraphicsView::deepNesting_data()
+{
+ QTest::addColumn<bool>("rotate");
+ QTest::addColumn<bool>("sortCache");
+ QTest::addColumn<bool>("bsp");
+
+ QTest::newRow("bsp, no transform") << false << false << true;
+ QTest::newRow("bsp, rotation") << true << false << true;
+ QTest::newRow("bsp, no transform, sort cache") << false << true << true;
+ QTest::newRow("bsp, rotation, sort cache") << true << true << true;
+ QTest::newRow("no transform") << false << false << false;
+ QTest::newRow("rotation") << true << false << false;
+ QTest::newRow("no transform, sort cache") << false << true << false;
+ QTest::newRow("rotation, sort cache") << true << true << false;
+}
+
+void tst_QGraphicsView::deepNesting()
+{
+ QFETCH(bool, rotate);
+ QFETCH(bool, sortCache);
+ QFETCH(bool, bsp);
+
+ QGraphicsScene scene;
+ for (int y = 0; y < 15; ++y) {
+ for (int x = 0; x < 15; ++x) {
+ QGraphicsItem *item1 = scene.addRect(QRectF(0, 0, 50, 50));
+ if (rotate) item1->rotate(10);
+ item1->setPos(x * 25, y * 25);
+ addChildHelper(item1, 30, rotate);
+ }
+ }
+ scene.setItemIndexMethod(bsp ? QGraphicsScene::BspTreeIndex : QGraphicsScene::NoIndex);
+ scene.setSortCacheEnabled(sortCache);
+
+ QGraphicsView view(&scene);
+ view.setRenderHint(QPainter::Antialiasing);
+ view.show();
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+ QTest::qWait(250);
+
+ QBENCHMARK {
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_START_INSTRUMENTATION
+#endif
+ view.viewport()->repaint();
+#ifdef CALLGRIND_DEBUG
+ CALLGRIND_STOP_INSTRUMENTATION
+#endif
+ }
+}
+
+class AnimatedPixmapItem : public QGraphicsPixmapItem
+{
+public:
+ AnimatedPixmapItem(int x, int y, bool rot, bool scal, QGraphicsItem *parent = 0)
+ : QGraphicsPixmapItem(parent), rotateFactor(0), scaleFactor(0)
+ {
+ rotate = rot;
+ scale = scal;
+ xspeed = x;
+ yspeed = y;
+ }
+
+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);
+
+ int rot = rotateFactor;
+ int sca = scaleFactor;
+ if (rotate)
+ rotateFactor = 1 + (rot + xspeed) % 360;
+ if (scale)
+ scaleFactor = 1 + (sca + yspeed) % 50;
+
+ if (rotate || scale) {
+ qreal s = 0.5 + scaleFactor / 50.0;
+ setTransform(QTransform().rotate(rotateFactor).scale(s, s));
+ }
+ }
+
+private:
+ int xspeed;
+ int yspeed;
+ int rotateFactor;
+ int scaleFactor;
+ bool rotate;
+ bool scale;
+};
+
+class CountPaintEventView : public QGraphicsView
+{
+public:
+ CountPaintEventView(QGraphicsScene *scene = 0)
+ : QGraphicsView(scene), count(0)
+ { }
+
+ int count;
+
+protected:
+ void paintEvent(QPaintEvent *event)
+ {
+ ++count;
+ QGraphicsView::paintEvent(event);
+ };
+};
+
+void tst_QGraphicsView::imageRiver_data()
+{
+ QTest::addColumn<int>("direction");
+ QTest::addColumn<bool>("rotation");
+ QTest::addColumn<bool>("scale");
+ QTest::newRow("horizontal") << 0 << false << false;
+ QTest::newRow("vertical") << 1 << false << false;
+ QTest::newRow("both") << 2 << false << false;
+ QTest::newRow("horizontal rot") << 0 << true << false;
+ QTest::newRow("horizontal scale") << 0 << false << true;
+ QTest::newRow("horizontal rot + scale") << 0 << true << true;
+}
+
+void tst_QGraphicsView::imageRiver()
+{
+ QFETCH(int, direction);
+ QFETCH(bool, rotation);
+ QFETCH(bool, scale);
+
+ QGraphicsScene scene(0, 0, 300, 300);
+
+ CountPaintEventView view(&scene);
+ view.resize(300, 300);
+ view.setFrameStyle(0);
+ view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.show();
+
+ QPixmap pix(":/images/designer.png");
+ QVERIFY(!pix.isNull());
+
+ QList<QGraphicsItem *> items;
+ QFile file(":/random.data");
+ QVERIFY(file.open(QIODevice::ReadOnly));
+ QDataStream str(&file);
+ for (int i = 0; i < 100; ++i) {
+ AnimatedPixmapItem *item;
+ if (direction == 0) item = new AnimatedPixmapItem((i % 4) + 1, 0, rotation, scale);
+ if (direction == 1) item = new AnimatedPixmapItem(0, (i % 4) + 1, rotation, scale);
+ if (direction == 2) item = new AnimatedPixmapItem((i % 4) + 1, (i % 4) + 1, rotation, scale);
+ item->setPixmap(pix);
+ 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 AnimatedTextItem : public QGraphicsSimpleTextItem
+{
+public:
+ AnimatedTextItem(int x, int y, bool rot, bool scal, QGraphicsItem *parent = 0)
+ : QGraphicsSimpleTextItem(parent), rotateFactor(0), scaleFactor(25)
+ {
+ setText("River of text");
+ rotate = rot;
+ scale = scal;
+ xspeed = x;
+ yspeed = y;
+ }
+
+protected:
+ void advance(int i)
+ {
+ if (!i)
+ return;
+ QRect r = boundingRect().toRect();
+ int x = int(pos().x()) + r.width();
+ x += xspeed;
+ x = (x % (300 + r.width() * 2)) - r.width();
+ int y = int(pos().y()) + r.width();
+ y += yspeed;
+ y = (y % (300 + r.width() * 2)) - r.width();
+ setPos(x, y);
+
+ int rot = rotateFactor;
+ int sca = scaleFactor;
+ if (rotate)
+ rotateFactor = 1 + (rot + xspeed) % 360;
+ if (scale)
+ scaleFactor = 1 + (sca + yspeed) % 50;
+
+ if (rotate || scale) {
+ qreal s = 0.5 + scaleFactor / 50.0;
+ setTransform(QTransform().rotate(rotateFactor).scale(s, s));
+ }
+ }
+
+private:
+ int xspeed;
+ int yspeed;
+ int rotateFactor;
+ int scaleFactor;
+ bool rotate;
+ bool scale;
+};
+
+void tst_QGraphicsView::textRiver_data()
+{
+ QTest::addColumn<int>("direction");
+ QTest::addColumn<bool>("rotation");
+ QTest::addColumn<bool>("scale");
+ QTest::newRow("horizontal") << 0 << false << false;
+ QTest::newRow("vertical") << 1 << false << false;
+ QTest::newRow("both") << 2 << false << false;
+ QTest::newRow("horizontal rot") << 0 << true << false;
+ QTest::newRow("horizontal scale") << 0 << false << true;
+ QTest::newRow("horizontal rot + scale") << 0 << true << true;
+}
+
+void tst_QGraphicsView::textRiver()
+{
+ QFETCH(int, direction);
+ QFETCH(bool, rotation);
+ QFETCH(bool, scale);
+
+ QGraphicsScene scene(0, 0, 300, 300);
+
+ CountPaintEventView view(&scene);
+ view.resize(300, 300);
+ view.setFrameStyle(0);
+ view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ view.show();
+
+ QPixmap pix(":/images/designer.png");
+ QVERIFY(!pix.isNull());
+
+ QList<QGraphicsItem *> items;
+ QFile file(":/random.data");
+ QVERIFY(file.open(QIODevice::ReadOnly));
+ QDataStream str(&file);
+ for (int i = 0; i < 100; ++i) {
+ AnimatedTextItem *item;
+ if (direction == 0) item = new AnimatedTextItem((i % 4) + 1, 0, rotation, scale);
+ if (direction == 1) item = new AnimatedTextItem(0, (i % 4) + 1, rotation, scale);
+ if (direction == 2) item = new AnimatedTextItem((i % 4) + 1, (i % 4) + 1, rotation, scale);
+ 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 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"