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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDebug>
#include <qtest.h>
#include <QtTest/QtTest>
#include <QFile>
#include <QByteArray>
#include <QBuffer>
#include <QImageReader>
#include <QSize>
#if defined(Q_OS_SYMBIAN)
# define SRCDIR ""
#endif
class tst_jpeg : public QObject
{
Q_OBJECT
private slots:
void jpegDecodingQtWebkitStyle();
};
void tst_jpeg::jpegDecodingQtWebkitStyle()
{
// QtWebkit currently calls size() to get the image size for layouting purposes.
// Then when it is in the viewport (we assume that here) it actually gets decoded.
QFile inputJpeg(SRCDIR "n900.jpeg");
QVERIFY(inputJpeg.exists());
inputJpeg.open(QIODevice::ReadOnly);
QByteArray imageData = inputJpeg.readAll();
QBuffer buffer;
buffer.setData(imageData);
buffer.open(QBuffer::ReadOnly);
QCOMPARE(buffer.size(), qint64(19016));
QBENCHMARK{
for (int i = 0; i < 50; i++) {
QImageReader reader(&buffer, "jpeg");
QSize size = reader.size();
QVERIFY(!size.isNull());
QByteArray format = reader.format();
QVERIFY(!format.isEmpty());
QImage img = reader.read();
QVERIFY(!img.isNull());
buffer.reset();
}
}
}
QTEST_MAIN(tst_jpeg)
#include "jpeg.moc"
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