Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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qmacjp2handler.h
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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#ifndef QMACJP2HANDLER_H
5#define QMACJP2HANDLER_H
6
7#include <QScopedPointer>
8#include <QImageIOHandler>
9
11
12class QImage;
13class QByteArray;
14class QIODevice;
15class QVariant;
17
19{
20public:
23
24 bool canRead() const override;
25 bool read(QImage *image) override;
26 bool write(const QImage &image) override;
27 QVariant option(ImageOption option) const override;
28 void setOption(ImageOption option, const QVariant &value) override;
29 bool supportsOption(ImageOption option) const override;
30
31 static bool canRead(QIODevice *iod);
32
33private:
34 Q_DECLARE_PRIVATE(QMacJp2Handler)
35 QScopedPointer<QMacJp2HandlerPrivate> d_ptr;
36};
37
39
40#endif // QMACJP2HANDLER_P_H
\inmodule QtCore
Definition qbytearray.h:57
\inmodule QtCore \reentrant
Definition qiodevice.h:34
The QImageIOHandler class defines the common image I/O interface for all image formats in Qt.
ImageOption
This enum describes the different options supported by QImageIOHandler.
\inmodule QtGui
Definition qimage.h:37
bool write(const QImage &image) override
Writes the image image to the assigned device.
bool supportsOption(ImageOption option) const override
Returns true if the QImageIOHandler supports the option option; otherwise returns false.
void setOption(ImageOption option, const QVariant &value) override
Sets the option option with the value value.
bool read(QImage *image) override
Read an image from the device, and stores it in image.
bool canRead() const override
Returns true if an image can be read from the device (i.e., the image format is supported,...
\inmodule QtCore
Definition qvariant.h:65
Combined button and popup list for selecting options.
Definition image.cpp:4
EGLOutputLayerEXT EGLint EGLAttrib value
[5]
GLuint GLenum option