--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,323 @@
+/****************************************************************************
+**
+** 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 <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"
+