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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QtGui>
+#include <QString>
+
+#include <qtest.h>
+
+void paint(QPaintDevice *device)
+{
+ QPainter p(device);
+ p.setCompositionMode(QPainter::CompositionMode_Source);
+ p.fillRect(0, 0, device->width(), device->height(), Qt::transparent);
+
+ QLinearGradient g(QPoint(0, 0), QPoint(1, 1));
+// g.setCoordinateMode(QGradient::ObjectBoundingMode);
+ g.setColorAt(0, Qt::magenta);
+ g.setColorAt(0, Qt::white);
+
+// p.setOpacity(0.8);
+ p.setPen(Qt::NoPen);
+ p.setBrush(g);
+ p.setRenderHint(QPainter::Antialiasing);
+ p.setOpacity(0.9);
+ p.drawEllipse(0, 0, device->width(), device->height());
+}
+
+QLatin1String compositionModes[] = {
+ QLatin1String("SourceOver"),
+ QLatin1String("DestinationOver"),
+ QLatin1String("Clear"),
+ QLatin1String("Source"),
+ QLatin1String("Destination"),
+ QLatin1String("SourceIn"),
+ QLatin1String("DestinationIn"),
+ QLatin1String("SourceOut"),
+ QLatin1String("DestinationOut"),
+ QLatin1String("SourceAtop"),
+ QLatin1String("DestinationAtop"),
+ QLatin1String("Xor"),
+
+ //svg 1.2 blend modes
+ QLatin1String("Plus"),
+ QLatin1String("Multiply"),
+ QLatin1String("Screen"),
+ QLatin1String("Overlay"),
+ QLatin1String("Darken"),
+ QLatin1String("Lighten"),
+ QLatin1String("ColorDodge"),
+ QLatin1String("ColorBurn"),
+ QLatin1String("HardLight"),
+ QLatin1String("SoftLight"),
+ QLatin1String("Difference"),
+ QLatin1String("Exclusion")
+};
+
+enum BrushType { ImageBrush, SolidBrush };
+QLatin1String brushTypes[] = {
+ QLatin1String("ImageBrush"),
+ QLatin1String("SolidBrush"),
+};
+
+class BlendBench : public QObject
+{
+ Q_OBJECT
+private slots:
+ void blendBench_data();
+ void blendBench();
+};
+
+void BlendBench::blendBench_data()
+{
+ int first = 0;
+ int limit = 12;
+ if (qApp->arguments().contains("--extended")) {
+ first = 12;
+ limit = 24;
+ }
+
+ QTest::addColumn<int>("brushType");
+ QTest::addColumn<int>("compositionMode");
+
+ for (int brush = ImageBrush; brush <= SolidBrush; ++brush)
+ for (int mode = first; mode < limit; ++mode)
+ QTest::newRow(QString("brush=%1; mode=%2")
+ .arg(brushTypes[brush]).arg(compositionModes[mode]).toAscii().data())
+ << brush << mode;
+}
+
+void BlendBench::blendBench()
+{
+ QFETCH(int, brushType);
+ QFETCH(int, compositionMode);
+
+ QImage img(512, 512, QImage::Format_ARGB32_Premultiplied);
+ QImage src(512, 512, QImage::Format_ARGB32_Premultiplied);
+ paint(&src);
+ QPainter p(&img);
+ p.setPen(Qt::NoPen);
+
+ p.setCompositionMode(QPainter::CompositionMode(compositionMode));
+ if (brushType == ImageBrush) {
+ p.setBrush(QBrush(src));
+ } else if (brushType == SolidBrush) {
+ p.setBrush(QColor(127, 127, 127, 127));
+ }
+
+ QBENCHMARK {
+ p.drawRect(0, 0, 512, 512);
+ }
+}
+
+QTEST_MAIN(BlendBench)
+
+#include "main.moc"