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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the test suite of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

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    28 ** If you have questions regarding the use of this file, please contact

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 #include <QtGui>

    42 #include <QString>

    43 

    44 #include <qtest.h>

    45 

    46 void paint(QPaintDevice *device)

    47 {

    48     QPainter p(device);

    49     p.setCompositionMode(QPainter::CompositionMode_Source);

    50     p.fillRect(0, 0, device->width(), device->height(), Qt::transparent);

    51 

    52     QLinearGradient g(QPoint(0, 0), QPoint(1, 1));

    53 //    g.setCoordinateMode(QGradient::ObjectBoundingMode);

    54     g.setColorAt(0, Qt::magenta);

    55     g.setColorAt(0, Qt::white);

    56 

    57 //    p.setOpacity(0.8);

    58     p.setPen(Qt::NoPen);

    59     p.setBrush(g);

    60     p.setRenderHint(QPainter::Antialiasing);

    61     p.setOpacity(0.9);

    62     p.drawEllipse(0, 0, device->width(), device->height());

    63 }

    64 

    65 QLatin1String compositionModes[] = {

    66     QLatin1String("SourceOver"),

    67     QLatin1String("DestinationOver"),

    68     QLatin1String("Clear"),

    69     QLatin1String("Source"),

    70     QLatin1String("Destination"),

    71     QLatin1String("SourceIn"),

    72     QLatin1String("DestinationIn"),

    73     QLatin1String("SourceOut"),

    74     QLatin1String("DestinationOut"),

    75     QLatin1String("SourceAtop"),

    76     QLatin1String("DestinationAtop"),

    77     QLatin1String("Xor"),

    78 

    79     //svg 1.2 blend modes

    80     QLatin1String("Plus"),

    81     QLatin1String("Multiply"),

    82     QLatin1String("Screen"),

    83     QLatin1String("Overlay"),

    84     QLatin1String("Darken"),

    85     QLatin1String("Lighten"),

    86     QLatin1String("ColorDodge"),

    87     QLatin1String("ColorBurn"),

    88     QLatin1String("HardLight"),

    89     QLatin1String("SoftLight"),

    90     QLatin1String("Difference"),

    91     QLatin1String("Exclusion")

    92 };

    93 

    94 enum BrushType { ImageBrush, SolidBrush };

    95 QLatin1String brushTypes[] = {

    96     QLatin1String("ImageBrush"),

    97     QLatin1String("SolidBrush"),

    98 };

    99 

   100 class BlendBench : public QObject

   101 {

   102     Q_OBJECT

   103 private slots:		

   104     void blendBench_data();

   105     void blendBench();

   106 };

   107 

   108 void BlendBench::blendBench_data()

   109 {

   110     int first = 0;

   111     int limit = 12;

   112     if (qApp->arguments().contains("--extended")) {

   113         first = 12;

   114         limit = 24;

   115     }

   116 

   117     QTest::addColumn<int>("brushType");

   118     QTest::addColumn<int>("compositionMode");

   119 

   120     for (int brush = ImageBrush; brush <= SolidBrush; ++brush)

   121         for (int mode = first; mode < limit; ++mode)

   122             QTest::newRow(QString("brush=%1; mode=%2")

   123                           .arg(brushTypes[brush]).arg(compositionModes[mode]).toAscii().data())

   124                 << brush << mode;

   125 }

   126 

   127 void BlendBench::blendBench()

   128 {

   129     QFETCH(int, brushType);

   130     QFETCH(int, compositionMode);

   131 

   132     QImage img(512, 512, QImage::Format_ARGB32_Premultiplied);

   133     QImage src(512, 512, QImage::Format_ARGB32_Premultiplied);

   134     paint(&src);

   135     QPainter p(&img);

   136     p.setPen(Qt::NoPen);

   137 

   138     p.setCompositionMode(QPainter::CompositionMode(compositionMode));

   139     if (brushType == ImageBrush) {

   140         p.setBrush(QBrush(src));

   141     } else if (brushType == SolidBrush) {

   142         p.setBrush(QColor(127, 127, 127, 127));

   143     }

   144 

   145     QBENCHMARK {

   146         p.drawRect(0, 0, 512, 512);

   147     }

   148 }

   149 

   150 QTEST_MAIN(BlendBench)

   151 

   152 #include "main.moc"