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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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qppmhandler_p.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// Qt-Security score:significant reason:default
4
5#ifndef QPPMHANDLER_P_H
6#define QPPMHANDLER_P_H
7
8//
9// W A R N I N G
10// -------------
11//
12// This file is not part of the Qt API. It exists purely as an
13// implementation detail. This header file may change from version to
14// version without notice, or even be removed.
15//
16// We mean it.
17//
18
19#include <QtGui/private/qtguiglobal_p.h>
20#include "QtGui/qimageiohandler.h"
21
22#ifndef QT_NO_IMAGEFORMAT_PPM
23
24QT_BEGIN_NAMESPACE
25
26class QByteArray;
28{
29public:
31 bool canRead() const override;
32 bool read(QImage *image) override;
33 bool write(const QImage &image) override;
34
35 static bool canRead(QIODevice *device, QByteArray *subType = nullptr);
36
37 QVariant option(ImageOption option) const override;
38 void setOption(ImageOption option, const QVariant &value) override;
39 bool supportsOption(ImageOption option) const override;
40
41private:
42 bool readHeader();
43 enum State {
44 Ready,
45 ReadHeader,
46 Error
47 };
48 State state;
49 char type;
50 int width;
51 int height;
52 quint16 mcc;
53 mutable QByteArray subType;
54};
55
56QT_END_NAMESPACE
57
58#endif // QT_NO_IMAGEFORMAT_PPM
59
60#endif // QPPMHANDLER_P_H
void setOption(ImageOption option, const QVariant &value) override
Sets the option option with the value value.
bool write(const QImage &image) override
Writes the image image to the assigned device.
static bool canRead(QIODevice *device, QByteArray *subType=nullptr)
bool canRead() const override
Returns true if an image can be read from the device (i.e., the image format is supported,...
bool read(QImage *image) override
Read an image from the device, and stores it in image.
QVariant option(ImageOption option) const override
Returns the value assigned to option as a QVariant.
bool supportsOption(ImageOption option) const override
Returns true if the QImageIOHandler supports the option option; otherwise returns false.