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110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016 Ivailo Monev
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**
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** This file is part of the test suite of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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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
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qtest.h>
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#include <QImage>
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Q_DECLARE_METATYPE(QImage::Format)
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/*
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Fill a image with "random" pixel values.
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*/
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static QImage generateImage(const QSize &size, const QImage::Format format)
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{
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QImage image(size.width(), size.height(), format);
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bool oddnumber = true;
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for (int y = 0; y < image.height(); ++y) {
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for (int x = 0; x < image.width(); ++x) {
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if (image.depth() == 1) {
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image.setPixel(x, y, uint(oddnumber));
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oddnumber = !oddnumber;
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} else {
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image.setPixel(x, y, x ^ y);
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}
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}
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}
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return image;
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}
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class tst_QImageConversion : public QObject
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{
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Q_OBJECT
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private slots:
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void convertToFormat_data();
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void convertToFormat();
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};
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void tst_QImageConversion::convertToFormat_data()
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{
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QTest::addColumn<QImage::Format>("sourceFormat");
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QTest::addColumn<QImage::Format>("targetFormat");
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QTest::addColumn<QSize>("size");
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QList<QSize> sizes;
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sizes << QSize(1, 1)
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<< QSize(10, 10)
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<< QSize(100, 100)
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<< QSize(1000, 1000);
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const char *formatNames[] = {
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"Invalid",
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"Mono",
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"MonoLSB",
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"RGB32",
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"ARGB32",
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"ARGB32_pm",
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"RGB16",
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};
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for (int tar=1; tar<QImage::NImageFormats; ++tar) {
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for (int src=1; src<QImage::NImageFormats; ++src) {
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foreach (const QSize &s, sizes) {
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QString name = QString::fromLatin1("%1 to %2, (%3x%4)")
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.arg(formatNames[src])
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.arg(formatNames[tar])
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.arg(s.width()).arg(s.height());
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QTest::newRow(name.toLatin1()) << (QImage::Format) src
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<< (QImage::Format) tar
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<< s;
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}
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}
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}
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}
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void tst_QImageConversion::convertToFormat()
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{
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QFETCH(QImage::Format, sourceFormat);
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QFETCH(QImage::Format, targetFormat);
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QFETCH(QSize, size);
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QImage sourceImage = generateImage(size, sourceFormat);
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QBENCHMARK {
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QImage result = sourceImage.convertToFormat(targetFormat);
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QVERIFY(!result.isNull());
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}
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}
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QTEST_MAIN(tst_QImageConversion)
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#include "moc_tst_qimageconversion.cpp"
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