summaryrefslogtreecommitdiffstats
path: root/tests/benchmarks/plugins/imageformats/jpeg/jpeg.cpp
blob: 98326408f04b0ad316c75ee0447f9ff6356c4b4f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/****************************************************************************
**
** 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"