| 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 QTIFFHANDLER_P_H | 
| 5 | #define QTIFFHANDLER_P_H | 
| 6 |  | 
| 7 | #include <QtCore/QScopedPointer> | 
| 8 | #include <QtGui/QImageIOHandler> | 
| 9 |  | 
| 10 | QT_BEGIN_NAMESPACE | 
| 11 |  | 
| 12 | class QTiffHandlerPrivate; | 
| 13 | class QTiffHandler : public QImageIOHandler | 
| 14 | { | 
| 15 | public: | 
| 16 |     QTiffHandler(); | 
| 17 |  | 
| 18 |     bool canRead() const override; | 
| 19 |     bool read(QImage *image) override; | 
| 20 |     bool write(const QImage &image) override; | 
| 21 |  | 
| 22 |     static bool canRead(QIODevice *device); | 
| 23 |  | 
| 24 |     QVariant option(ImageOption option) const override; | 
| 25 |     void setOption(ImageOption option, const QVariant &value) override; | 
| 26 |     bool supportsOption(ImageOption option) const override; | 
| 27 |  | 
| 28 |     bool jumpToNextImage() override; | 
| 29 |     bool jumpToImage(int imageNumber) override; | 
| 30 |     int imageCount() const override; | 
| 31 |     int currentImageNumber() const override; | 
| 32 |  | 
| 33 |     enum Compression { | 
| 34 |         NoCompression = 0, | 
| 35 |         LzwCompression = 1 | 
| 36 |     }; | 
| 37 | private: | 
| 38 |     void convert32BitOrder(void *buffer, int width); | 
| 39 |     void rgb48fixup(QImage *image, bool floatingPoint); | 
| 40 |     void rgb96fixup(QImage *image); | 
| 41 |     void rgbFixup(QImage *image); | 
| 42 |     const QScopedPointer<QTiffHandlerPrivate> d; | 
| 43 |     bool ensureHaveDirectoryCount() const; | 
| 44 | }; | 
| 45 |  | 
| 46 | QT_END_NAMESPACE | 
| 47 |  | 
| 48 | #endif // QTIFFHANDLER_P_H | 
| 49 |  |