Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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main.cpp
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include <qimageiohandler.h>
5#include <qdebug.h>
6
7#ifndef QT_NO_IMAGEFORMATPLUGIN
8
10
12
14{
15 Q_OBJECT
16 Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface" FILE "tiff.json")
17
18public:
20 QImageIOHandler * create(QIODevice * device, const QByteArray & format = QByteArray()) const override;
21};
22
23QImageIOPlugin::Capabilities QTiffPlugin::capabilities(QIODevice *device, const QByteArray &format) const
24{
25 if (format == "tiff" || format == "tif")
26 return Capabilities(CanRead | CanWrite);
27 Capabilities cap;
28 if (!format.isEmpty())
29 return cap;
30 if (!device->isOpen())
31 return cap;
32
33 if (device->isReadable() && QTiffHandler::canRead(device))
34 cap |= CanRead;
35 if (device->isWritable())
36 cap |= CanWrite;
37 return cap;
38}
39
40QImageIOHandler* QTiffPlugin::create(QIODevice *device, const QByteArray &format) const
41{
42 QImageIOHandler *tiffHandler = new QTiffHandler();
43 tiffHandler->setDevice(device);
44 tiffHandler->setFormat(format);
45 return tiffHandler;
46}
47
48QT_END_NAMESPACE
49
50#include "main.moc"
51
52#endif /* QT_NO_IMAGEFORMATPLUGIN */
QImageIOHandler * create(QIODevice *device, const QByteArray &format=QByteArray()) const override
Creates and returns a QImageIOHandler subclass, with device and format set.
Definition main.cpp:40
Combined button and popup list for selecting options.