93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, 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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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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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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#if defined(Q_OS_SYMBIAN)
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# define SRCDIR ""
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#endif
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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(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 "jpeg.moc"
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