e3640d1bdd
These comments were mostly empty or inaccurate. Appropriate naming of tests and appropriate placement of tests within the directory tree provide more reliable indicators of what is being tested. Change-Id: Ib6bf373d9e79917e4ab1417ee5c1264a2c2d7027 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
758 lines
22 KiB
C++
758 lines
22 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QtWidgets/qdesktopwidget.h>
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#include <QtWidgets/qgraphicseffect.h>
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#include <QtWidgets/qgraphicsview.h>
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#include <QtWidgets/qgraphicsscene.h>
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#include <QtWidgets/qgraphicsitem.h>
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#include <QtWidgets/qgraphicswidget.h>
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#include <QtWidgets/qstyleoption.h>
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#include <private/qgraphicseffect_p.h>
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#include "../../../platformquirks.h"
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class tst_QGraphicsEffect : public QObject
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{
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Q_OBJECT
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public slots:
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void initTestCase();
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private slots:
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void setEnabled();
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void source();
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void boundingRectFor();
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void boundingRect();
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void boundingRect2();
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void draw();
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void opacity();
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void grayscale();
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void colorize();
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void drawPixmapItem();
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void deviceCoordinateTranslateCaching();
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void inheritOpacity();
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void dropShadowClipping();
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void childrenVisibilityShouldInvalidateCache();
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void prepareGeometryChangeInvalidateCache();
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void itemHasNoContents();
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};
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void tst_QGraphicsEffect::initTestCase()
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{}
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class CustomItem : public QGraphicsRectItem
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{
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public:
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CustomItem(qreal x, qreal y, qreal width, qreal height, QGraphicsItem *parent = 0)
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: QGraphicsRectItem(x, y, width, height, parent), numRepaints(0),
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m_painter(0), m_styleOption(0)
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{}
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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m_painter = painter;
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m_styleOption = option;
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++numRepaints;
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QGraphicsRectItem::paint(painter, option, widget);
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}
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void reset()
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{
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numRepaints = 0;
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m_painter = 0;
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m_styleOption = 0;
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}
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int numRepaints;
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QPainter *m_painter;
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const QStyleOption *m_styleOption;
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};
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class CustomEffect : public QGraphicsEffect
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{
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public:
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CustomEffect()
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: QGraphicsEffect(), numRepaints(0), m_margin(10),
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doNothingInDraw(false), m_painter(0), m_styleOption(0), m_source(0), m_opacity(1.0)
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{}
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QRectF boundingRectFor(const QRectF &rect) const
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{ return rect.adjusted(-m_margin, -m_margin, m_margin, m_margin); }
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void reset()
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{
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numRepaints = 0;
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m_sourceChangedFlags = QGraphicsEffect::ChangeFlags();
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m_painter = 0;
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m_styleOption = 0;
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m_source = 0;
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m_opacity = 1.0;
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}
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void setMargin(int margin)
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{
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m_margin = margin;
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updateBoundingRect();
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}
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int margin() const
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{ return m_margin; }
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void draw(QPainter *painter)
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{
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++numRepaints;
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if (doNothingInDraw)
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return;
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m_source = source();
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m_painter = painter;
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m_styleOption = source()->styleOption();
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m_opacity = painter->opacity();
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drawSource(painter);
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}
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void sourceChanged(QGraphicsEffect::ChangeFlags flags)
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{ m_sourceChangedFlags |= flags; }
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int numRepaints;
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int m_margin;
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QGraphicsEffect::ChangeFlags m_sourceChangedFlags;
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bool doNothingInDraw;
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QPainter *m_painter;
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const QStyleOption *m_styleOption;
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QGraphicsEffectSource *m_source;
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qreal m_opacity;
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};
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void tst_QGraphicsEffect::setEnabled()
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{
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CustomEffect effect;
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QVERIFY(effect.isEnabled());
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effect.setEnabled(false);
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QVERIFY(!effect.isEnabled());
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}
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void tst_QGraphicsEffect::source()
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{
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QPointer<CustomEffect> effect = new CustomEffect;
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QVERIFY(!effect->source());
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QVERIFY(!effect->m_sourceChangedFlags);
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// Install effect on QGraphicsItem.
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QGraphicsItem *item = new QGraphicsRectItem(0, 0, 10, 10);
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item->setGraphicsEffect(effect);
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QVERIFY(effect->source());
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QCOMPARE(effect->source()->graphicsItem(), (const QGraphicsItem*)item);
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QVERIFY(effect->m_sourceChangedFlags & QGraphicsEffect::SourceAttached);
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effect->reset();
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// Make sure disabling/enabling the effect doesn't change the source.
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effect->setEnabled(false);
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QVERIFY(effect->source());
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QCOMPARE(effect->source()->graphicsItem(), (const QGraphicsItem*)item);
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QVERIFY(!effect->m_sourceChangedFlags);
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effect->reset();
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effect->setEnabled(true);
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QVERIFY(effect->source());
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QCOMPARE(effect->source()->graphicsItem(), (const QGraphicsItem*)item);
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QVERIFY(!effect->m_sourceChangedFlags);
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effect->reset();
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// Uninstall effect on QGraphicsItem.
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effect->reset();
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item->setGraphicsEffect(0);
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QVERIFY(!effect);
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effect = new CustomEffect;
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// The item takes ownership and should delete the effect when destroyed.
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item->setGraphicsEffect(effect);
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QPointer<QGraphicsEffectSource> source = effect->source();
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QVERIFY(source);
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QCOMPARE(source->graphicsItem(), (const QGraphicsItem*)item);
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delete item;
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QVERIFY(!effect);
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QVERIFY(!source);
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}
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void tst_QGraphicsEffect::boundingRectFor()
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{
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CustomEffect effect;
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int margin = effect.margin();
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const QRectF source(0, 0, 100, 100);
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QCOMPARE(effect.boundingRectFor(source), source.adjusted(-margin, -margin, margin, margin));
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effect.setMargin(margin = 20);
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QCOMPARE(effect.boundingRectFor(source), source.adjusted(-margin, -margin, margin, margin));
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}
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void tst_QGraphicsEffect::boundingRect()
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{
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// No source; empty bounding rect.
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CustomEffect *effect = new CustomEffect;
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QCOMPARE(effect->boundingRect(), QRectF());
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// Install effect on QGraphicsItem.
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QRectF itemRect(0, 0, 100, 100);
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QGraphicsRectItem *item = new QGraphicsRectItem;
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item->setRect(itemRect);
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item->setGraphicsEffect(effect);
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int margin = effect->margin();
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QCOMPARE(effect->boundingRect(), itemRect.adjusted(-margin, -margin, margin, margin));
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(itemRect));
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// Make sure disabling/enabling the effect doesn't change the bounding rect.
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effect->setEnabled(false);
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QCOMPARE(effect->boundingRect(), itemRect.adjusted(-margin, -margin, margin, margin));
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(itemRect));
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effect->setEnabled(true);
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QCOMPARE(effect->boundingRect(), itemRect.adjusted(-margin, -margin, margin, margin));
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(itemRect));
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// Change effect margins.
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effect->setMargin(margin = 20);
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QCOMPARE(effect->boundingRect(), itemRect.adjusted(-margin, -margin, margin, margin));
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(itemRect));
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// Uninstall effect on QGraphicsItem.
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QPointer<CustomEffect> ptr = effect;
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item->setGraphicsEffect(0);
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QVERIFY(!ptr);
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delete item;
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}
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void tst_QGraphicsEffect::boundingRect2()
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{
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CustomEffect *effect = new CustomEffect;
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QGraphicsRectItem *root = new QGraphicsRectItem;
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root->setGraphicsEffect(effect);
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QGraphicsRectItem *child = new QGraphicsRectItem;
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QRectF childRect(0, 0, 100, 100);
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
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child->setRect(childRect);
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child->setParentItem(root);
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QGraphicsRectItem *grandChild = new QGraphicsRectItem;
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QRectF grandChildRect(0, 0, 200, 200);
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grandChild->setRect(grandChildRect);
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grandChild->setParentItem(child);
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// Make sure the effect's bounding rect is clipped to the child's bounding rect.
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect));
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// Disable ItemClipsChildrenToShape; effect's bounding rect is no longer clipped.
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect | grandChildRect));
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// Add root item to a scene, do the same tests as above. Results should be the same.
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QGraphicsScene scene;
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scene.addItem(root);
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect));
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect | grandChildRect));
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// Now add the scene to a view, results should be the same.
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QGraphicsView view(&scene);
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect));
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child->setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect | grandChildRect));
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CustomEffect *childEffect = new CustomEffect;
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child->setGraphicsEffect(childEffect);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childEffect->boundingRectFor(childRect | grandChildRect)));
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child->setGraphicsEffect(0);
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QCOMPARE(effect->boundingRect(), effect->boundingRectFor(childRect | grandChildRect));
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}
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void tst_QGraphicsEffect::draw()
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{
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QGraphicsScene scene;
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CustomItem *item = new CustomItem(0, 0, 100, 100);
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scene.addItem(item);
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QGraphicsView view(&scene);
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view.show();
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QTest::qWaitForWindowShown(&view);
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QTRY_VERIFY(item->numRepaints > 0);
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item->reset();
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// Make sure installing the effect triggers a repaint.
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CustomEffect *effect = new CustomEffect;
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item->setGraphicsEffect(effect);
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QTRY_COMPARE(effect->numRepaints, 1);
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QTRY_COMPARE(item->numRepaints, 1);
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// Make sure QPainter* and QStyleOptionGraphicsItem* stays persistent
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// during QGraphicsEffect::draw/QGraphicsItem::paint.
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QVERIFY(effect->m_painter);
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QCOMPARE(effect->m_painter, item->m_painter);
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QCOMPARE(effect->m_styleOption, item->m_styleOption);
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// Make sure QGraphicsEffect::source is persistent.
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QCOMPARE(effect->m_source, effect->source());
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effect->reset();
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item->reset();
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// Make sure updating the source triggers a repaint.
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item->update();
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QTRY_COMPARE(effect->numRepaints, 1);
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QTRY_COMPARE(item->numRepaints, 1);
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QVERIFY(effect->m_sourceChangedFlags & QGraphicsEffect::SourceInvalidated);
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effect->reset();
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item->reset();
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// Make sure changing the effect's bounding rect triggers a repaint.
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effect->setMargin(20);
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QTRY_COMPARE(effect->numRepaints, 1);
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QTRY_COMPARE(item->numRepaints, 1);
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effect->reset();
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item->reset();
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// Make sure change the item's bounding rect triggers a repaint.
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item->setRect(0, 0, 50, 50);
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QTRY_COMPARE(effect->numRepaints, 1);
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QTRY_COMPARE(item->numRepaints, 1);
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QVERIFY(effect->m_sourceChangedFlags & QGraphicsEffect::SourceBoundingRectChanged);
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effect->reset();
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item->reset();
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// Make sure the effect is the one to issue a repaint of the item.
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effect->doNothingInDraw = true;
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item->update();
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QTRY_COMPARE(effect->numRepaints, 1);
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QCOMPARE(item->numRepaints, 0);
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effect->doNothingInDraw = false;
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effect->reset();
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item->reset();
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// Make sure we update the source when disabling/enabling the effect.
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effect->setEnabled(false);
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QTest::qWait(50);
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QCOMPARE(effect->numRepaints, 0);
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QCOMPARE(item->numRepaints, 1);
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effect->reset();
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item->reset();
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effect->setEnabled(true);
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QTRY_COMPARE(effect->numRepaints, 1);
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QTRY_COMPARE(item->numRepaints, 1);
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effect->reset();
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item->reset();
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// Effect is already enabled; nothing should happen.
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effect->setEnabled(true);
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QTest::qWait(50);
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QCOMPARE(effect->numRepaints, 0);
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QCOMPARE(item->numRepaints, 0);
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// Make sure uninstalling an effect triggers a repaint.
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QPointer<CustomEffect> ptr = effect;
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item->setGraphicsEffect(0);
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QVERIFY(!ptr);
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QTRY_COMPARE(item->numRepaints, 1);
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}
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void tst_QGraphicsEffect::opacity()
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{
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// Make sure the painter's opacity is correct in QGraphicsEffect::draw.
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QGraphicsScene scene;
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CustomItem *item = new CustomItem(0, 0, 100, 100);
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item->setOpacity(0.5);
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CustomEffect *effect = new CustomEffect;
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item->setGraphicsEffect(effect);
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scene.addItem(item);
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QGraphicsView view(&scene);
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view.show();
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QTest::qWaitForWindowShown(&view);
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QTRY_VERIFY(effect->numRepaints > 0);
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QCOMPARE(effect->m_opacity, qreal(0.5));
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}
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void tst_QGraphicsEffect::grayscale()
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{
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if (qApp->desktop()->depth() < 24)
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QSKIP("Test only works on 32 bit displays");
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QGraphicsScene scene(0, 0, 100, 100);
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QGraphicsRectItem *item = scene.addRect(0, 0, 50, 50);
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item->setPen(Qt::NoPen);
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item->setBrush(QColor(122, 193, 66)); // Qt light green
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QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
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effect->setColor(Qt::black);
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item->setGraphicsEffect(effect);
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QPainter painter;
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QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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QCOMPARE(image.pixel(10, 10), qRgb(148, 148, 148));
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effect->setStrength(0.5);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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QCOMPARE(image.pixel(10, 10), qRgb(135, 171, 107));
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effect->setStrength(0.0);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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QCOMPARE(image.pixel(10, 10), qRgb(122, 193, 66));
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}
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void tst_QGraphicsEffect::colorize()
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{
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if (qApp->desktop()->depth() < 24)
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QSKIP("Test only works on 32 bit displays");
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QGraphicsScene scene(0, 0, 100, 100);
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QGraphicsRectItem *item = scene.addRect(0, 0, 50, 50);
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item->setPen(Qt::NoPen);
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item->setBrush(QColor(122, 193, 66)); // Qt light green
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QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
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effect->setColor(QColor(102, 153, 51)); // Qt dark green
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item->setGraphicsEffect(effect);
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QPainter painter;
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QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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QCOMPARE(image.pixel(10, 10), qRgb(191, 212, 169));
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effect->setStrength(0.5);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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QCOMPARE(image.pixel(10, 10), qRgb(156, 203, 117));
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effect->setStrength(0.0);
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image.fill(0);
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painter.begin(&image);
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painter.setRenderHint(QPainter::Antialiasing);
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scene.render(&painter);
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painter.end();
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|
QCOMPARE(image.pixel(10, 10), qRgb(122, 193, 66));
|
|
}
|
|
|
|
class PixmapItemEffect : public QGraphicsEffect
|
|
{
|
|
public:
|
|
PixmapItemEffect(const QPixmap &source)
|
|
: QGraphicsEffect()
|
|
, pixmap(source)
|
|
, repaints(0)
|
|
{}
|
|
|
|
QRectF boundingRectFor(const QRectF &rect) const
|
|
{ return rect; }
|
|
|
|
void draw(QPainter *painter)
|
|
{
|
|
QVERIFY(sourcePixmap(Qt::LogicalCoordinates).handle() == pixmap.handle());
|
|
QVERIFY((painter->worldTransform().type() <= QTransform::TxTranslate) == (sourcePixmap(Qt::DeviceCoordinates).handle() == pixmap.handle()));
|
|
|
|
++repaints;
|
|
}
|
|
QPixmap pixmap;
|
|
int repaints;
|
|
};
|
|
|
|
void tst_QGraphicsEffect::drawPixmapItem()
|
|
{
|
|
QImage image(32, 32, QImage::Format_RGB32);
|
|
QPainter p(&image);
|
|
p.fillRect(0, 0, 32, 16, Qt::blue);
|
|
p.fillRect(0, 16, 32, 16, Qt::red);
|
|
p.end();
|
|
|
|
QGraphicsScene scene;
|
|
QGraphicsPixmapItem *item = new QGraphicsPixmapItem(QPixmap::fromImage(image));
|
|
scene.addItem(item);
|
|
|
|
PixmapItemEffect *effect = new PixmapItemEffect(item->pixmap());
|
|
item->setGraphicsEffect(effect);
|
|
|
|
QGraphicsView view(&scene);
|
|
view.show();
|
|
QTest::qWaitForWindowShown(&view);
|
|
QTRY_VERIFY(effect->repaints >= 1);
|
|
|
|
item->rotate(180);
|
|
|
|
QTRY_VERIFY(effect->repaints >= 2);
|
|
}
|
|
|
|
class DeviceEffect : public QGraphicsEffect
|
|
{
|
|
public:
|
|
QRectF boundingRectFor(const QRectF &rect) const
|
|
{ return rect; }
|
|
|
|
void draw(QPainter *painter)
|
|
{
|
|
QPoint offset;
|
|
QPixmap pixmap = sourcePixmap(Qt::DeviceCoordinates, &offset, QGraphicsEffect::NoPad);
|
|
|
|
if (pixmap.isNull())
|
|
return;
|
|
|
|
painter->save();
|
|
painter->setWorldTransform(QTransform());
|
|
painter->drawPixmap(offset, pixmap);
|
|
painter->restore();
|
|
}
|
|
};
|
|
|
|
void tst_QGraphicsEffect::deviceCoordinateTranslateCaching()
|
|
{
|
|
QGraphicsScene scene;
|
|
CustomItem *item = new CustomItem(0, 0, 10, 10);
|
|
scene.addItem(item);
|
|
scene.setSceneRect(0, 0, 50, 0);
|
|
|
|
item->setGraphicsEffect(new DeviceEffect);
|
|
item->setPen(Qt::NoPen);
|
|
item->setBrush(Qt::red);
|
|
|
|
QGraphicsView view(&scene);
|
|
view.show();
|
|
QTest::qWaitForWindowShown(&view);
|
|
|
|
QTRY_VERIFY(item->numRepaints >= 1);
|
|
int numRepaints = item->numRepaints;
|
|
|
|
item->translate(10, 0);
|
|
|
|
QTRY_VERIFY(item->numRepaints == numRepaints);
|
|
}
|
|
|
|
void tst_QGraphicsEffect::inheritOpacity()
|
|
{
|
|
QGraphicsScene scene;
|
|
QGraphicsRectItem *rectItem = new QGraphicsRectItem(0, 0, 10, 10);
|
|
CustomItem *item = new CustomItem(0, 0, 10, 10, rectItem);
|
|
|
|
scene.addItem(rectItem);
|
|
|
|
item->setGraphicsEffect(new DeviceEffect);
|
|
item->setPen(Qt::NoPen);
|
|
item->setBrush(Qt::red);
|
|
|
|
rectItem->setOpacity(0.5);
|
|
|
|
QGraphicsView view(&scene);
|
|
view.show();
|
|
QTest::qWaitForWindowShown(&view);
|
|
|
|
QTRY_VERIFY(item->numRepaints >= 1);
|
|
|
|
int numRepaints = item->numRepaints;
|
|
|
|
rectItem->setOpacity(1);
|
|
|
|
// item should have been rerendered due to opacity changing
|
|
QTRY_VERIFY(item->numRepaints > numRepaints);
|
|
}
|
|
|
|
void tst_QGraphicsEffect::dropShadowClipping()
|
|
{
|
|
QImage img(128, 128, QImage::Format_ARGB32_Premultiplied);
|
|
img.fill(0xffffffff);
|
|
|
|
QGraphicsScene scene;
|
|
QGraphicsRectItem *item = new QGraphicsRectItem(-5, -500, 10, 1000);
|
|
item->setGraphicsEffect(new QGraphicsDropShadowEffect);
|
|
item->setPen(Qt::NoPen);
|
|
item->setBrush(Qt::red);
|
|
|
|
scene.addItem(item);
|
|
|
|
QPainter p(&img);
|
|
scene.render(&p, img.rect(), QRect(-64, -64, 128, 128));
|
|
p.end();
|
|
|
|
for (int y = 1; y < img.height(); ++y)
|
|
for (int x = 0; x < img.width(); ++x)
|
|
QCOMPARE(img.pixel(x, y), img.pixel(x, y-1));
|
|
}
|
|
|
|
class MyGraphicsItem : public QGraphicsWidget
|
|
{
|
|
public:
|
|
MyGraphicsItem(QGraphicsItem *parent = 0) :
|
|
QGraphicsWidget(parent), nbPaint(0)
|
|
{}
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
nbPaint++;
|
|
QGraphicsWidget::paint(painter, option, widget);
|
|
}
|
|
int nbPaint;
|
|
};
|
|
|
|
void tst_QGraphicsEffect::childrenVisibilityShouldInvalidateCache()
|
|
{
|
|
QGraphicsScene scene;
|
|
MyGraphicsItem parent;
|
|
parent.resize(200, 200);
|
|
QGraphicsWidget child(&parent);
|
|
child.resize(200, 200);
|
|
child.setVisible(false);
|
|
scene.addItem(&parent);
|
|
QGraphicsView view(&scene);
|
|
view.show();
|
|
QApplication::setActiveWindow(&view);
|
|
QTest::qWaitForWindowShown(&view);
|
|
QTRY_VERIFY(parent.nbPaint >= 1);
|
|
//we set an effect on the parent
|
|
parent.setGraphicsEffect(new QGraphicsDropShadowEffect(&parent));
|
|
//flush the events
|
|
QApplication::processEvents();
|
|
//new effect applied->repaint
|
|
QVERIFY(parent.nbPaint >= 2);
|
|
child.setVisible(true);
|
|
//flush the events
|
|
QApplication::processEvents();
|
|
//a new child appears we need to redraw the effect.
|
|
QVERIFY(parent.nbPaint >= 3);
|
|
}
|
|
|
|
void tst_QGraphicsEffect::prepareGeometryChangeInvalidateCache()
|
|
{
|
|
MyGraphicsItem *item = new MyGraphicsItem;
|
|
item->resize(200, 200);
|
|
|
|
QGraphicsScene scene;
|
|
scene.addItem(item);
|
|
|
|
QGraphicsView view(&scene);
|
|
if(PlatformQuirks::isAutoMaximizing())
|
|
view.showFullScreen();
|
|
else
|
|
view.show();
|
|
QTest::qWaitForWindowShown(&view);
|
|
QTRY_VERIFY(item->nbPaint >= 1);
|
|
|
|
item->nbPaint = 0;
|
|
item->setGraphicsEffect(new QGraphicsDropShadowEffect);
|
|
QTRY_COMPARE(item->nbPaint, 1);
|
|
|
|
item->nbPaint = 0;
|
|
item->resize(300, 300);
|
|
QTRY_COMPARE(item->nbPaint, 1);
|
|
|
|
item->nbPaint = 0;
|
|
item->setPos(item->pos() + QPointF(10, 10));
|
|
QTest::qWait(50);
|
|
QCOMPARE(item->nbPaint, 0);
|
|
}
|
|
|
|
void tst_QGraphicsEffect::itemHasNoContents()
|
|
{
|
|
QGraphicsRectItem *parent = new QGraphicsRectItem;
|
|
parent->setFlag(QGraphicsItem::ItemHasNoContents);
|
|
|
|
MyGraphicsItem *child = new MyGraphicsItem;
|
|
child->setParentItem(parent);
|
|
child->resize(200, 200);
|
|
|
|
QGraphicsScene scene;
|
|
scene.addItem(parent);
|
|
|
|
QGraphicsView view(&scene);
|
|
view.show();
|
|
QTest::qWaitForWindowShown(&view);
|
|
QTRY_VERIFY(child->nbPaint >= 1);
|
|
|
|
CustomEffect *effect = new CustomEffect;
|
|
parent->setGraphicsEffect(effect);
|
|
QTRY_COMPARE(effect->numRepaints, 1);
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
effect->reset();
|
|
effect->update();
|
|
QTRY_COMPARE(effect->numRepaints, 1);
|
|
}
|
|
}
|
|
|
|
QTEST_MAIN(tst_QGraphicsEffect)
|
|
#include "tst_qgraphicseffect.moc"
|
|
|