katie/tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp
Ivailo Monev 58ef830341 copyright update
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2021-01-02 01:59:24 +02:00

80 lines
2.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2021 Ivailo Monev
**
** This file is part of the test suite of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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>
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(QLatin1String(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 "moc_jpeg.cpp"