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Diffstat (limited to 'tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp')
| -rw-r--r-- | tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp b/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp new file mode 100644 index 000000000..e7f7ba506 --- /dev/null +++ b/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp @@ -0,0 +1,323 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtTest/QtTest> +#include <QtGui/qgraphicseffect.h> +#include <QtGui/qgraphicsview.h> +#include <QtGui/qgraphicsscene.h> +#include <QtGui/qgraphicsitem.h> +#include <QtGui/qstyleoption.h> + +//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), m_styleOption(0) + {} + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) + { + m_painter = painter; + m_styleOption = option; + ++numRepaints; + QGraphicsRectItem::paint(painter, option, widget); + } + + void reset() + { + numRepaints = 0; + m_painter = 0; + m_styleOption = 0; + } + + int numRepaints; + QPainter *m_painter; + const QStyleOption *m_styleOption; +}; + +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_styleOption(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_styleOption = 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, QGraphicsEffectSource *source) + { + ++numRepaints; + if (storeDeviceDependentStuff) { + deviceCoordinatesPixmap = source->pixmap(Qt::DeviceCoordinates); + deviceRect = source->deviceRect(); + sourceDeviceBoundingRect = source->boundingRect(Qt::DeviceCoordinates); + } + if (doNothingInDraw) + return; + m_source = source; + m_painter = painter; + m_styleOption = source->styleOption(); + 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; + const QStyleOption *m_styleOption; + 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(); + +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); + QVERIFY(effect->m_styleOption); + QCOMPARE(effect->m_styleOption, item->m_styleOption); +} + +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() +{ + QTest::ignoreMessage(QtWarningMsg, "QGraphicsEffectSource::deviceRect: Not yet implemented, lacking device context"); + QCOMPARE(effect->source()->deviceRect(), QRect()); + + // We can at least check that the rect was correct in QGraphicsEffect::draw. + 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); +} + +QTEST_MAIN(tst_QGraphicsEffectSource) +#include "tst_qgraphicseffectsource.moc" + |