2011-04-27 10:05:43 +00:00
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/****************************************************************************
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**
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2014-08-21 13:51:22 +00:00
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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2012-09-19 12:28:29 +00:00
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** Contact: http://www.qt-project.org/legal
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2011-04-27 10:05:43 +00:00
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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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2014-08-21 13:51:22 +00:00
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** $QT_BEGIN_LICENSE:LGPL21$
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2012-09-19 12:28:29 +00:00
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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2014-08-21 13:51:22 +00:00
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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2012-09-19 12:28:29 +00:00
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** use the contact form at http://qt.digia.com/contact-us.
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**
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2011-04-27 10:05:43 +00:00
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** GNU Lesser General Public License Usage
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2012-09-19 12:28:29 +00:00
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** Alternatively, this file may be used under the terms of the GNU Lesser
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2014-08-21 13:51:22 +00:00
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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2012-09-19 12:28:29 +00:00
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**
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** In addition, as a special exception, Digia gives you certain additional
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2014-08-21 13:51:22 +00:00
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** rights. These rights are described in the Digia Qt LGPL Exception
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2011-04-27 10:05:43 +00:00
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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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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2012-05-15 11:04:39 +00:00
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#include <QtTest/QtTestWidgets>
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2011-05-23 14:49:06 +00:00
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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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2011-04-27 10:05:43 +00:00
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#include <private/qgraphicseffect_p.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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2012-10-15 15:06:34 +00:00
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item->setPen(QPen(Qt::black, 0));
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2011-04-27 10:05:43 +00:00
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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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2012-10-15 15:06:34 +00:00
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root->setPen(QPen(Qt::black, 0));
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2011-04-27 10:05:43 +00:00
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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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2012-10-15 15:06:34 +00:00
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child->setPen(QPen(Qt::black, 0));
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2011-04-27 10:05:43 +00:00
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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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2012-10-15 15:06:34 +00:00
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grandChild->setPen(QPen(Qt::black, 0));
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2011-04-27 10:05:43 +00:00
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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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2012-07-18 11:12:59 +00:00
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QVERIFY(QTest::qWaitForWindowActive(&view));
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2011-04-27 10:05:43 +00:00
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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);
|
|
|
|
effect->reset();
|
|
|
|
item->reset();
|
|
|
|
|
|
|
|
// Make sure change the item's bounding rect triggers a repaint.
|
|
|
|
item->setRect(0, 0, 50, 50);
|
|
|
|
QTRY_COMPARE(effect->numRepaints, 1);
|
|
|
|
QTRY_COMPARE(item->numRepaints, 1);
|
|
|
|
QVERIFY(effect->m_sourceChangedFlags & QGraphicsEffect::SourceBoundingRectChanged);
|
|
|
|
effect->reset();
|
|
|
|
item->reset();
|
|
|
|
|
|
|
|
// Make sure the effect is the one to issue a repaint of the item.
|
|
|
|
effect->doNothingInDraw = true;
|
|
|
|
item->update();
|
|
|
|
QTRY_COMPARE(effect->numRepaints, 1);
|
|
|
|
QCOMPARE(item->numRepaints, 0);
|
|
|
|
effect->doNothingInDraw = false;
|
|
|
|
effect->reset();
|
|
|
|
item->reset();
|
|
|
|
|
|
|
|
// Make sure we update the source when disabling/enabling the effect.
|
|
|
|
effect->setEnabled(false);
|
|
|
|
QTest::qWait(50);
|
|
|
|
QCOMPARE(effect->numRepaints, 0);
|
|
|
|
QCOMPARE(item->numRepaints, 1);
|
|
|
|
effect->reset();
|
|
|
|
item->reset();
|
|
|
|
|
|
|
|
effect->setEnabled(true);
|
|
|
|
QTRY_COMPARE(effect->numRepaints, 1);
|
|
|
|
QTRY_COMPARE(item->numRepaints, 1);
|
|
|
|
effect->reset();
|
|
|
|
item->reset();
|
|
|
|
|
|
|
|
// Effect is already enabled; nothing should happen.
|
|
|
|
effect->setEnabled(true);
|
|
|
|
QTest::qWait(50);
|
|
|
|
QCOMPARE(effect->numRepaints, 0);
|
|
|
|
QCOMPARE(item->numRepaints, 0);
|
|
|
|
|
|
|
|
// Make sure uninstalling an effect triggers a repaint.
|
|
|
|
QPointer<CustomEffect> ptr = effect;
|
|
|
|
item->setGraphicsEffect(0);
|
|
|
|
QVERIFY(!ptr);
|
|
|
|
QTRY_COMPARE(item->numRepaints, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGraphicsEffect::opacity()
|
|
|
|
{
|
|
|
|
// Make sure the painter's opacity is correct in QGraphicsEffect::draw.
|
|
|
|
QGraphicsScene scene;
|
|
|
|
CustomItem *item = new CustomItem(0, 0, 100, 100);
|
|
|
|
item->setOpacity(0.5);
|
|
|
|
CustomEffect *effect = new CustomEffect;
|
|
|
|
item->setGraphicsEffect(effect);
|
|
|
|
scene.addItem(item);
|
|
|
|
|
|
|
|
QGraphicsView view(&scene);
|
|
|
|
view.show();
|
2012-07-30 10:36:02 +00:00
|
|
|
QVERIFY(QTest::qWaitForWindowExposed(&view));
|
2011-04-27 10:05:43 +00:00
|
|
|
QTRY_VERIFY(effect->numRepaints > 0);
|
|
|
|
QCOMPARE(effect->m_opacity, qreal(0.5));
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGraphicsEffect::grayscale()
|
|
|
|
{
|
2011-10-07 00:55:06 +00:00
|
|
|
if (qApp->desktop()->depth() < 24)
|
2011-10-19 02:53:13 +00:00
|
|
|
QSKIP("Test only works on 32 bit displays");
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
QGraphicsScene scene(0, 0, 100, 100);
|
|
|
|
|
|
|
|
QGraphicsRectItem *item = scene.addRect(0, 0, 50, 50);
|
|
|
|
item->setPen(Qt::NoPen);
|
|
|
|
item->setBrush(QColor(122, 193, 66)); // Qt light green
|
|
|
|
|
|
|
|
QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
|
|
|
|
effect->setColor(Qt::black);
|
|
|
|
item->setGraphicsEffect(effect);
|
|
|
|
|
|
|
|
QPainter painter;
|
|
|
|
QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
QCOMPARE(image.pixel(10, 10), qRgb(148, 148, 148));
|
|
|
|
|
|
|
|
effect->setStrength(0.5);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
QCOMPARE(image.pixel(10, 10), qRgb(135, 171, 107));
|
|
|
|
|
|
|
|
effect->setStrength(0.0);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
QCOMPARE(image.pixel(10, 10), qRgb(122, 193, 66));
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGraphicsEffect::colorize()
|
|
|
|
{
|
2011-10-07 00:55:06 +00:00
|
|
|
if (qApp->desktop()->depth() < 24)
|
2011-10-19 02:53:13 +00:00
|
|
|
QSKIP("Test only works on 32 bit displays");
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
QGraphicsScene scene(0, 0, 100, 100);
|
|
|
|
|
|
|
|
QGraphicsRectItem *item = scene.addRect(0, 0, 50, 50);
|
|
|
|
item->setPen(Qt::NoPen);
|
|
|
|
item->setBrush(QColor(122, 193, 66)); // Qt light green
|
|
|
|
|
|
|
|
QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
|
|
|
|
effect->setColor(QColor(102, 153, 51)); // Qt dark green
|
|
|
|
item->setGraphicsEffect(effect);
|
|
|
|
|
|
|
|
QPainter painter;
|
|
|
|
QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
QCOMPARE(image.pixel(10, 10), qRgb(191, 212, 169));
|
|
|
|
|
|
|
|
effect->setStrength(0.5);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
QCOMPARE(image.pixel(10, 10), qRgb(156, 203, 117));
|
|
|
|
|
|
|
|
effect->setStrength(0.0);
|
|
|
|
|
|
|
|
image.fill(0);
|
|
|
|
painter.begin(&image);
|
|
|
|
painter.setRenderHint(QPainter::Antialiasing);
|
|
|
|
scene.render(&painter);
|
|
|
|
painter.end();
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
2011-07-15 12:07:12 +00:00
|
|
|
QVERIFY(sourcePixmap(Qt::LogicalCoordinates).handle() == pixmap.handle());
|
|
|
|
QVERIFY((painter->worldTransform().type() <= QTransform::TxTranslate) == (sourcePixmap(Qt::DeviceCoordinates).handle() == pixmap.handle()));
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
++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();
|
2012-07-30 10:36:02 +00:00
|
|
|
QVERIFY(QTest::qWaitForWindowExposed(&view));
|
2011-04-27 10:05:43 +00:00
|
|
|
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();
|
2012-07-30 10:36:02 +00:00
|
|
|
QVERIFY(QTest::qWaitForWindowExposed(&view));
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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();
|
2012-07-30 10:36:02 +00:00
|
|
|
QVERIFY(QTest::qWaitForWindowExposed(&view));
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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);
|
2012-07-30 10:36:02 +00:00
|
|
|
QVERIFY(QTest::qWaitForWindowActive(&view));
|
2011-09-06 12:04:24 +00:00
|
|
|
QTRY_VERIFY(parent.nbPaint >= 1);
|
2011-04-27 10:05:43 +00:00
|
|
|
//we set an effect on the parent
|
|
|
|
parent.setGraphicsEffect(new QGraphicsDropShadowEffect(&parent));
|
|
|
|
//flush the events
|
|
|
|
QApplication::processEvents();
|
|
|
|
//new effect applied->repaint
|
2011-09-06 12:04:24 +00:00
|
|
|
QVERIFY(parent.nbPaint >= 2);
|
2011-04-27 10:05:43 +00:00
|
|
|
child.setVisible(true);
|
|
|
|
//flush the events
|
|
|
|
QApplication::processEvents();
|
|
|
|
//a new child appears we need to redraw the effect.
|
2011-09-06 12:04:24 +00:00
|
|
|
QVERIFY(parent.nbPaint >= 3);
|
2011-04-27 10:05:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGraphicsEffect::prepareGeometryChangeInvalidateCache()
|
|
|
|
{
|
|
|
|
MyGraphicsItem *item = new MyGraphicsItem;
|
|
|
|
item->resize(200, 200);
|
|
|
|
|
|
|
|
QGraphicsScene scene;
|
|
|
|
scene.addItem(item);
|
|
|
|
|
|
|
|
QGraphicsView view(&scene);
|
2012-09-19 12:57:15 +00:00
|
|
|
view.show();
|
2012-07-18 11:12:59 +00:00
|
|
|
qApp->setActiveWindow(&view);
|
|
|
|
QVERIFY(QTest::qWaitForWindowActive(&view));
|
2011-09-06 12:04:24 +00:00
|
|
|
QTRY_VERIFY(item->nbPaint >= 1);
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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);
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|
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QCOMPARE(item->nbPaint, 0);
|
|
|
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}
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|
|
|
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|
|
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void tst_QGraphicsEffect::itemHasNoContents()
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|
|
|
{
|
|
|
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QGraphicsRectItem *parent = new QGraphicsRectItem;
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|
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parent->setFlag(QGraphicsItem::ItemHasNoContents);
|
|
|
|
|
|
|
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MyGraphicsItem *child = new MyGraphicsItem;
|
|
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child->setParentItem(parent);
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|
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child->resize(200, 200);
|
|
|
|
|
|
|
|
QGraphicsScene scene;
|
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|
|
scene.addItem(parent);
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|
|
|
|
|
|
|
QGraphicsView view(&scene);
|
|
|
|
view.show();
|
2012-07-18 11:12:59 +00:00
|
|
|
qApp->setActiveWindow(&view);
|
|
|
|
QVERIFY(QTest::qWaitForWindowActive(&view));
|
2011-09-06 12:04:24 +00:00
|
|
|
QTRY_VERIFY(child->nbPaint >= 1);
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
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"
|
|
|
|
|