dimgpgfloader.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2009-06-03
 * Description : A PGF IO file for DImg framework
 *
 * Copyright (C) 2009-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * This implementation use LibPGF API <https://www.libpgf.org>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_DIMG_PGF_LOADER_H
#define DIGIKAM_DIMG_PGF_LOADER_H
 
// Local includes
 
#include "dimg.h"
#include "dimgloader.h"
 
using namespace Digikam;
 
namespace Digikam
{
 
class DImgPGFLoader : public DImgLoader
{
 
public:
 
    explicit DImgPGFLoader(DImg* const image);
    ~DImgPGFLoader()                                                       override;
 
    bool load(const QString& filePath, DImgLoaderObserver* const observer) override;
    bool save(const QString& filePath, DImgLoaderObserver* const observer) override;
 
    bool hasAlpha()                                                  const override;
    bool sixteenBit()                                                const override;
    bool isReadOnly()                                                const override;
 
private:
 
    bool progressCallback(double percent, bool escapeAllowed);
 
    static bool CallbackForLibPGF(double percent,
                                  bool escapeAllowed,
                                  void* data);
 
private:
 
    bool                m_sixteenBit;
    bool                m_hasAlpha;
 
    DImgLoaderObserver* m_observer;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_DIMG_PGF_LOADER_H