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 <qstringlist.h> |
6 | |
7 | #ifdef QT_NO_IMAGEFORMAT_JPEG |
8 | #undef QT_NO_IMAGEFORMAT_JPEG |
9 | #endif |
10 | #include <qjpeghandler_p.h> |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | class QJpegPlugin : public QImageIOPlugin |
15 | { |
16 | Q_OBJECT |
17 | Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface"FILE "jpeg.json") |
18 | public: |
19 | Capabilities capabilities(QIODevice *device, const QByteArray &format) const override; |
20 | QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const override; |
21 | }; |
22 | |
23 | QImageIOPlugin::Capabilities QJpegPlugin::capabilities(QIODevice *device, const QByteArray &format) const |
24 | { |
25 | if (format == "jpeg"|| format == "jpg") |
26 | return Capabilities(CanRead | CanWrite); |
27 | if (!format.isEmpty()) |
28 | return { }; |
29 | if (!device->isOpen()) |
30 | return { }; |
31 | |
32 | Capabilities cap; |
33 | if (device->isReadable() && QJpegHandler::canRead(device)) |
34 | cap |= CanRead; |
35 | if (device->isWritable()) |
36 | cap |= CanWrite; |
37 | return cap; |
38 | } |
39 | |
40 | QImageIOHandler *QJpegPlugin::create(QIODevice *device, const QByteArray &format) const |
41 | { |
42 | QImageIOHandler *handler = new QJpegHandler; |
43 | handler->setDevice(device); |
44 | handler->setFormat(format); |
45 | return handler; |
46 | } |
47 | |
48 | QT_END_NAMESPACE |
49 | |
50 | #include "main.moc" |
51 |