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80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2021 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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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.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 <QDebug>
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#include <qtest.h>
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#include <QtTest/QtTest>
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#include <QFile>
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#include <QByteArray>
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#include <QBuffer>
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#include <QImageReader>
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#include <QSize>
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class tst_jpeg : public QObject
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{
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Q_OBJECT
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private slots:
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void jpegDecodingQtWebkitStyle();
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};
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void tst_jpeg::jpegDecodingQtWebkitStyle()
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{
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// QtWebkit currently calls size() to get the image size for layouting purposes.
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// Then when it is in the viewport (we assume that here) it actually gets decoded.
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QFile inputJpeg(QLatin1String(SRCDIR "n900.jpeg"));
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QVERIFY(inputJpeg.exists());
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inputJpeg.open(QIODevice::ReadOnly);
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QByteArray imageData = inputJpeg.readAll();
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QBuffer buffer;
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buffer.setData(imageData);
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buffer.open(QBuffer::ReadOnly);
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QCOMPARE(buffer.size(), qint64(19016));
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QBENCHMARK{
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for (int i = 0; i < 50; i++) {
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QImageReader reader(&buffer, "jpeg");
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QSize size = reader.size();
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QVERIFY(!size.isNull());
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QByteArray format = reader.format();
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QVERIFY(!format.isEmpty());
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QImage img = reader.read();
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QVERIFY(!img.isNull());
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buffer.reset();
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}
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}
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}
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QTEST_MAIN(tst_jpeg)
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#include "moc_jpeg.cpp"
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