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// Copyright (C) 2019 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
#ifndef QPDFIOHANDLER_H
#define QPDFIOHANDLER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/qimageiohandler.h>
#include <QtPdf/QPdfDocument>
QT_BEGIN_NAMESPACE
class QPdfIOHandler : public QImageIOHandler
{
public:
QPdfIOHandler();
~QPdfIOHandler() override;
bool canRead() const override;
static bool canRead(QIODevice *device);
int currentImageNumber() const override;
QRect currentImageRect() const override;
int imageCount() const override;
bool read(QImage *image) override;
QVariant option(ImageOption option) const override;
void setOption(ImageOption option, const QVariant & value) override;
bool supportsOption(ImageOption option) const override;
bool jumpToImage(int frame) override;
bool jumpToNextImage() override;
private:
bool load(QIODevice *device);
private:
QPointer<QPdfDocument> m_doc;
int m_page = -1;
QRect m_clipRect;
QSize m_scaledSize;
QRect m_scaledClipRect;
QColor m_backColor = Qt::transparent;
bool m_loaded = false;
bool m_ownsDocument = false;
};
QT_END_NAMESPACE
#endif // QPDFIOHANDLER_H
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