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Diffstat (limited to 'tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp')
-rw-r--r-- | tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp b/tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp new file mode 100644 index 0000000..2cb9421 --- /dev/null +++ b/tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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" |