1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the WebP plugins in the Qt ImageFormats module.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
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17** GNU Lesser General Public License Usage
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21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
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25** GNU General Public License Usage
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27** General Public License version 2.0 or (at your option) the GNU General
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38****************************************************************************/
39
40#include <qimageiohandler.h>
41#include <qstringlist.h>
42
43#ifndef QT_NO_IMAGEFORMATPLUGIN
44
45#include "qwebphandler_p.h"
46
47#include <qiodevice.h>
48#include <qbytearray.h>
49
50QT_BEGIN_NAMESPACE
51
52class QWebpPlugin : public QImageIOPlugin
53{
54 Q_OBJECT
55 Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface" FILE "webp.json")
56
57public:
58 Capabilities capabilities(QIODevice *device, const QByteArray &format) const override;
59 QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const override;
60};
61
62QWebpPlugin::Capabilities QWebpPlugin::capabilities(QIODevice *device, const QByteArray &format) const
63{
64 if (format == "webp")
65 return Capabilities(CanRead | CanWrite);
66
67 Capabilities cap;
68 if (!format.isEmpty())
69 return cap;
70 if (!device->isOpen())
71 return cap;
72
73 if (device->isReadable() && QWebpHandler::canRead(device))
74 cap |= CanRead;
75 if (device->isWritable())
76 cap |= CanWrite;
77
78 return cap;
79}
80
81QImageIOHandler *QWebpPlugin::create(QIODevice *device, const QByteArray &format) const
82{
83 QImageIOHandler *handler = new QWebpHandler;
84 handler->setDevice(device);
85 handler->setFormat(format);
86 return handler;
87}
88
89QT_END_NAMESPACE
90
91#include "main.moc"
92
93#endif // !QT_NO_IMAGEFORMATPLUGIN
94

source code of qtimageformats/src/plugins/imageformats/webp/main.cpp