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39
40#ifndef QTIFFHANDLER_P_H
41#define QTIFFHANDLER_P_H
42
43#include <QtCore/QScopedPointer>
44#include <QtGui/QImageIOHandler>
45
46QT_BEGIN_NAMESPACE
47
48class QTiffHandlerPrivate;
49class QTiffHandler : public QImageIOHandler
50{
51public:
52 QTiffHandler();
53
54 bool canRead() const override;
55 bool read(QImage *image) override;
56 bool write(const QImage &image) override;
57
58 static bool canRead(QIODevice *device);
59
60 QVariant option(ImageOption option) const override;
61 void setOption(ImageOption option, const QVariant &value) override;
62 bool supportsOption(ImageOption option) const override;
63
64 bool jumpToNextImage() override;
65 bool jumpToImage(int imageNumber) override;
66 int imageCount() const override;
67 int currentImageNumber() const override;
68
69 enum Compression {
70 NoCompression = 0,
71 LzwCompression = 1
72 };
73private:
74 void convert32BitOrder(void *buffer, int width);
75 void rgb48fixup(QImage *image);
76 const QScopedPointer<QTiffHandlerPrivate> d;
77 bool ensureHaveDirectoryCount() const;
78};
79
80QT_END_NAMESPACE
81
82#endif // QTIFFHANDLER_P_H
83

source code of qtimageformats/src/plugins/imageformats/tiff/qtiffhandler_p.h