| 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 QPPMHANDLER_P_H |
|---|
| 5 | #define QPPMHANDLER_P_H |
|---|
| 6 | |
|---|
| 7 | // |
|---|
| 8 | // W A R N I N G |
|---|
| 9 | // ------------- |
|---|
| 10 | // |
|---|
| 11 | // This file is not part of the Qt API. It exists purely as an |
|---|
| 12 | // implementation detail. This header file may change from version to |
|---|
| 13 | // version without notice, or even be removed. |
|---|
| 14 | // |
|---|
| 15 | // We mean it. |
|---|
| 16 | // |
|---|
| 17 | |
|---|
| 18 | #include <QtGui/private/qtguiglobal_p.h> |
|---|
| 19 | #include "QtGui/qimageiohandler.h" |
|---|
| 20 | |
|---|
| 21 | #ifndef QT_NO_IMAGEFORMAT_PPM |
|---|
| 22 | |
|---|
| 23 | QT_BEGIN_NAMESPACE |
|---|
| 24 | |
|---|
| 25 | class QByteArray; |
|---|
| 26 | class QPpmHandler : public QImageIOHandler |
|---|
| 27 | { |
|---|
| 28 | public: |
|---|
| 29 | QPpmHandler(); |
|---|
| 30 | bool canRead() const override; |
|---|
| 31 | bool read(QImage *image) override; |
|---|
| 32 | bool write(const QImage &image) override; |
|---|
| 33 | |
|---|
| 34 | static bool canRead(QIODevice *device, QByteArray *subType = nullptr); |
|---|
| 35 | |
|---|
| 36 | QVariant option(ImageOption option) const override; |
|---|
| 37 | void setOption(ImageOption option, const QVariant &value) override; |
|---|
| 38 | bool supportsOption(ImageOption option) const override; |
|---|
| 39 | |
|---|
| 40 | private: |
|---|
| 41 | bool readHeader(); |
|---|
| 42 | enum State { |
|---|
| 43 | Ready, |
|---|
| 44 | ReadHeader, |
|---|
| 45 | Error |
|---|
| 46 | }; |
|---|
| 47 | State state; |
|---|
| 48 | char type; |
|---|
| 49 | int width; |
|---|
| 50 | int height; |
|---|
| 51 | int mcc; |
|---|
| 52 | mutable QByteArray subType; |
|---|
| 53 | }; |
|---|
| 54 | |
|---|
| 55 | QT_END_NAMESPACE |
|---|
| 56 | |
|---|
| 57 | #endif // QT_NO_IMAGEFORMAT_PPM |
|---|
| 58 | |
|---|
| 59 | #endif // QPPMHANDLER_P_H |
|---|
| 60 | |
|---|
