qtiffhandler_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
 
 
#ifndef QTIFFHANDLER_P_H
#define QTIFFHANDLER_P_H
 
#include <QtCore/QScopedPointer>
#include <QtGui/QImageIOHandler>
 
QT_BEGIN_NAMESPACE
 
class QTiffHandlerPrivate;
class QTiffHandler : public QImageIOHandler
{
public:
    QTiffHandler();
 
    bool canRead() const override;
    bool read(QImage *image) override;
    bool write(const QImage &image) override;
 
    static bool canRead(QIODevice *device);
 
    QVariant option(ImageOption option) const override;
    void setOption(ImageOption option, const QVariant &value) override;
    bool supportsOption(ImageOption option) const override;
 
    bool jumpToNextImage() override;
    bool jumpToImage(int imageNumber) override;
    int imageCount() const override;
    int currentImageNumber() const override;
 
    enum class Compression {
        None = 0,
        Lzw = 1,
        HuffmanRLE = 2,
        Group3 = 3,
        Group4 = 4,
        Jpeg = 5
    };
private:
    const QScopedPointer<QTiffHandlerPrivate> d;
    bool ensureHaveDirectoryCount() const;
    int toLibTiffCompression(Compression compression) const;
};
 
QT_END_NAMESPACE
 
#endif // QTIFFHANDLER_P_H