--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,412 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 <QtTest/QtTest>
+#include <QtGui/qgraphicseffect.h>
+#include <QtGui/qgraphicsview.h>
+#include <QtGui/qgraphicsscene.h>
+#include <QtGui/qgraphicsitem.h>
+#include <QtGui/qstyleoption.h>
+
+#include <private/qgraphicseffect_p.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class CustomItem : public QGraphicsRectItem
+{
+public:
+ CustomItem(qreal x, qreal y, qreal width, qreal height)
+ : QGraphicsRectItem(x, y, width, height), numRepaints(0),
+ m_painter(0)
+ {}
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+ {
+ m_painter = painter;
+ ++numRepaints;
+ QGraphicsRectItem::paint(painter, option, widget);
+ }
+
+ void reset()
+ {
+ numRepaints = 0;
+ m_painter = 0;
+ }
+
+ int numRepaints;
+ QPainter *m_painter;
+};
+
+class CustomEffect : public QGraphicsEffect
+{
+public:
+ CustomEffect()
+ : QGraphicsEffect(), numRepaints(0), m_margin(10), m_sourceChanged(false),
+ m_sourceBoundingRectChanged(false), doNothingInDraw(false),
+ storeDeviceDependentStuff(false),
+ m_painter(0), m_source(0)
+ {}
+
+ QRectF boundingRectFor(const QRectF &rect) const
+ { return rect.adjusted(-m_margin, -m_margin, m_margin, m_margin); }
+
+ void reset()
+ {
+ numRepaints = 0;
+ m_sourceChanged = false;
+ m_sourceBoundingRectChanged = false;
+ m_painter = 0;
+ m_source = 0;
+ deviceCoordinatesPixmap = QPixmap();
+ deviceRect = QRect();
+ sourceDeviceBoundingRect = QRectF();
+ }
+
+ void setMargin(int margin)
+ {
+ m_margin = margin;
+ updateBoundingRect();
+ }
+
+ int margin() const
+ { return m_margin; }
+
+ void draw(QPainter *painter)
+ {
+ ++numRepaints;
+ if (storeDeviceDependentStuff) {
+ deviceCoordinatesPixmap = source()->pixmap(Qt::DeviceCoordinates);
+ deviceRect = QRect(0, 0, painter->device()->width(), painter->device()->height());
+ sourceDeviceBoundingRect = source()->boundingRect(Qt::DeviceCoordinates);
+ }
+ if (doNothingInDraw)
+ return;
+ m_source = source();
+ m_painter = painter;
+ source()->draw(painter);
+ }
+
+ void sourceChanged()
+ { m_sourceChanged = true; }
+
+ void sourceBoundingRectChanged()
+ { m_sourceBoundingRectChanged = true; }
+
+ int numRepaints;
+ int m_margin;
+ bool m_sourceChanged;
+ bool m_sourceBoundingRectChanged;
+ bool doNothingInDraw;
+ bool storeDeviceDependentStuff;
+ QPainter *m_painter;
+ QGraphicsEffectSource *m_source;
+ QPixmap deviceCoordinatesPixmap;
+ QRect deviceRect;
+ QRectF sourceDeviceBoundingRect;
+};
+
+class tst_QGraphicsEffectSource : public QObject
+{
+ Q_OBJECT
+public slots:
+ void initTestCase();
+ void cleanupTestCase();
+ void init();
+
+private slots:
+ void graphicsItem();
+ void styleOption();
+ void isPixmap();
+ void draw();
+ void update();
+ void boundingRect();
+ void deviceRect();
+ void pixmap();
+
+ void pixmapPadding_data();
+ void pixmapPadding();
+
+private:
+ QGraphicsView *view;
+ QGraphicsScene *scene;
+ CustomItem *item;
+ CustomEffect *effect;
+};
+
+void tst_QGraphicsEffectSource::initTestCase()
+{
+ scene = new QGraphicsScene;
+ item = new CustomItem(0, 0, 100, 100);
+ effect = new CustomEffect;
+ item->setGraphicsEffect(effect);
+ scene->addItem(item);
+ view = new QGraphicsView(scene);
+ view->show();
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(view);
+#endif
+ QTest::qWait(200);
+}
+
+void tst_QGraphicsEffectSource::cleanupTestCase()
+{
+ delete view;
+}
+
+void tst_QGraphicsEffectSource::init()
+{
+ QVERIFY(effect);
+ QVERIFY(item);
+ QVERIFY(effect->source());
+ effect->reset();
+ effect->storeDeviceDependentStuff = false;
+ effect->doNothingInDraw = false;
+ item->reset();
+}
+
+void tst_QGraphicsEffectSource::graphicsItem()
+{
+ QVERIFY(effect->source());
+ QCOMPARE(effect->source()->graphicsItem(), item);
+}
+
+void tst_QGraphicsEffectSource::styleOption()
+{
+ // We don't have style options unless the source is drawing.
+ QVERIFY(effect->source());
+ QVERIFY(!effect->source()->styleOption());
+
+ // Trigger an update and check that the style option in QGraphicsEffect::draw
+ // was the same as the one in QGraphicsItem::paint.
+ QCOMPARE(item->numRepaints, 0);
+ QCOMPARE(effect->numRepaints, 0);
+ item->update();
+ QTest::qWait(50);
+ QCOMPARE(item->numRepaints, 1);
+ QCOMPARE(effect->numRepaints, 1);
+}
+
+void tst_QGraphicsEffectSource::isPixmap()
+{
+ // Current source is a CustomItem (which is not a pixmap item).
+ QVERIFY(!effect->source()->isPixmap());
+
+ // Make sure isPixmap() returns true for QGraphicsPixmapItem.
+ QGraphicsPixmapItem *pixmapItem = new QGraphicsPixmapItem;
+ CustomEffect *anotherEffect = new CustomEffect;
+ pixmapItem->setGraphicsEffect(anotherEffect);
+ QVERIFY(anotherEffect->source());
+ QCOMPARE(anotherEffect->source()->graphicsItem(), static_cast<QGraphicsItem *>(pixmapItem));
+ QVERIFY(anotherEffect->source()->isPixmap());
+ delete pixmapItem;
+}
+
+void tst_QGraphicsEffectSource::draw()
+{
+ // The source can only draw as a result of QGraphicsEffect::draw.
+ QTest::ignoreMessage(QtWarningMsg, "QGraphicsEffectSource::draw: Can only begin as a result of QGraphicsEffect::draw");
+ QPixmap dummyPixmap(10, 10);
+ QPainter dummyPainter(&dummyPixmap);
+ effect->source()->draw(&dummyPainter);
+}
+
+void tst_QGraphicsEffectSource::update()
+{
+ QCOMPARE(item->numRepaints, 0);
+ QCOMPARE(effect->numRepaints, 0);
+
+ effect->source()->update();
+ QTest::qWait(50);
+
+ QCOMPARE(item->numRepaints, 1);
+ QCOMPARE(effect->numRepaints, 1);
+}
+
+void tst_QGraphicsEffectSource::boundingRect()
+{
+ QTest::ignoreMessage(QtWarningMsg, "QGraphicsEffectSource::boundingRect: Not yet implemented, lacking device context");
+ QCOMPARE(effect->source()->boundingRect(Qt::DeviceCoordinates), QRectF());
+
+ QRectF itemBoundingRect = item->boundingRect();
+ if (!item->children().isEmpty())
+ itemBoundingRect |= item->childrenBoundingRect();
+
+ // We can at least check that the device bounding rect was correct in QGraphicsEffect::draw.
+ effect->storeDeviceDependentStuff = true;
+ effect->source()->update();
+ QTest::qWait(50);
+ const QTransform deviceTransform = item->deviceTransform(view->viewportTransform());
+ QCOMPARE(effect->sourceDeviceBoundingRect, deviceTransform.mapRect(itemBoundingRect));
+
+ // Bounding rect in logical coordinates is of course fine.
+ QCOMPARE(effect->source()->boundingRect(Qt::LogicalCoordinates), itemBoundingRect);
+ // Make sure default value is Qt::LogicalCoordinates.
+ QCOMPARE(effect->source()->boundingRect(), itemBoundingRect);
+}
+
+void tst_QGraphicsEffectSource::deviceRect()
+{
+ effect->storeDeviceDependentStuff = true;
+ effect->source()->update();
+ QTest::qWait(50);
+ QCOMPARE(effect->deviceRect, view->viewport()->rect());
+}
+
+void tst_QGraphicsEffectSource::pixmap()
+{
+ QTest::ignoreMessage(QtWarningMsg, "QGraphicsEffectSource::pixmap: Not yet implemented, lacking device context");
+ QCOMPARE(effect->source()->pixmap(Qt::DeviceCoordinates), QPixmap());
+
+ // We can at least verify a valid pixmap from QGraphicsEffect::draw.
+ effect->storeDeviceDependentStuff = true;
+ effect->source()->update();
+ QTest::qWait(50);
+ QVERIFY(!effect->deviceCoordinatesPixmap.isNull());
+
+ // Pixmaps in logical coordinates we can do fine.
+ QPixmap pixmap1 = effect->source()->pixmap(Qt::LogicalCoordinates);
+ QVERIFY(!pixmap1.isNull());
+
+ // Make sure default value is Qt::LogicalCoordinates.
+ QPixmap pixmap2 = effect->source()->pixmap();
+ QCOMPARE(pixmap1, pixmap2);
+}
+
+class PaddingEffect : public QGraphicsEffect
+{
+public:
+ PaddingEffect(QObject *parent) : QGraphicsEffect(parent)
+ {
+ }
+
+ QRectF boundingRectFor(const QRectF &src) const {
+ return src.adjusted(-10, -10, 10, 10);
+ }
+
+ void draw(QPainter *) {
+ pix = source()->pixmap(coordinateMode, &offset, padMode);
+ }
+
+ QPixmap pix;
+ QPoint offset;
+ QGraphicsEffect::PixmapPadMode padMode;
+ Qt::CoordinateSystem coordinateMode;
+};
+
+void tst_QGraphicsEffectSource::pixmapPadding_data()
+{
+ QTest::addColumn<int>("coordinateMode");
+ QTest::addColumn<int>("padMode");
+ QTest::addColumn<QSize>("size");
+ QTest::addColumn<QPoint>("offset");
+ QTest::addColumn<uint>("ulPixel");
+
+ QTest::newRow("log,nopad") << int(Qt::LogicalCoordinates)
+ << int(QGraphicsEffect::NoPad)
+ << QSize(10, 10) << QPoint(0, 0)
+ << 0xffff0000u;
+
+ QTest::newRow("log,transparent") << int(Qt::LogicalCoordinates)
+ << int(QGraphicsEffect::PadToTransparentBorder)
+ << QSize(14, 14) << QPoint(-2, -2)
+ << 0x00000000u;
+
+ QTest::newRow("log,effectrect") << int(Qt::LogicalCoordinates)
+ << int(QGraphicsEffect::PadToEffectiveBoundingRect)
+ << QSize(20, 20) << QPoint(-5, -5)
+ << 0x00000000u;
+
+ QTest::newRow("dev,nopad") << int(Qt::DeviceCoordinates)
+ << int(QGraphicsEffect::NoPad)
+ << QSize(20, 20) << QPoint(40, 40)
+ << 0xffff0000u;
+
+ QTest::newRow("dev,transparent") << int(Qt::DeviceCoordinates)
+ << int(QGraphicsEffect::PadToTransparentBorder)
+ << QSize(24, 24) << QPoint(38, 38)
+ << 0x00000000u;
+
+ QTest::newRow("dev,effectrect") << int(Qt::DeviceCoordinates)
+ << int(QGraphicsEffect::PadToEffectiveBoundingRect)
+ << QSize(40, 40) << QPoint(30, 30)
+ << 0x00000000u;
+
+}
+
+void tst_QGraphicsEffectSource::pixmapPadding()
+{
+ QPixmap dummyTarget(100, 100);
+ QPainter dummyPainter(&dummyTarget);
+ dummyPainter.translate(40, 40);
+ dummyPainter.scale(2, 2);
+
+ QPixmap pm(10, 10);
+ pm.fill(Qt::red);
+
+ QGraphicsScene *scene = new QGraphicsScene();
+ PaddingEffect *effect = new PaddingEffect(scene);
+ QGraphicsPixmapItem *pmItem = new QGraphicsPixmapItem(pm);
+ scene->addItem(pmItem);
+ pmItem->setGraphicsEffect(effect);
+
+ QFETCH(int, coordinateMode);
+ QFETCH(int, padMode);
+ QFETCH(QPoint, offset);
+ QFETCH(QSize, size);
+ QFETCH(uint, ulPixel);
+
+ effect->padMode = (QGraphicsEffect::PixmapPadMode) padMode;
+ effect->coordinateMode = (Qt::CoordinateSystem) coordinateMode;
+
+ scene->render(&dummyPainter, scene->itemsBoundingRect(), scene->itemsBoundingRect());
+
+ QCOMPARE(effect->pix.size(), size);
+ QCOMPARE(effect->offset, offset);
+ QCOMPARE(effect->pix.toImage().pixel(0, 0), ulPixel);
+
+ // ### Fix corruption in scene destruction, then enable...
+ // delete scene;
+}
+
+QTEST_MAIN(tst_QGraphicsEffectSource)
+#include "tst_qgraphicseffectsource.moc"
+