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74 lines
2.0 KiB
74 lines
2.0 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-11-01
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* Description : a PNG image loader for DImg framework.
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*
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* Copyright (C) 2005-2009 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef PNGLOADER_H
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#define PNGLOADER_H
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extern "C"
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{
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#include <stdarg.h>
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#include <png.h>
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}
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// Local includes.
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#include "dimgloader.h"
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#include "digikam_export.h"
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namespace Digikam
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{
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class DImg;
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class DIGIKAM_EXPORT PNGLoader : public DImgLoader
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{
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public:
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PNGLoader(DImg* image);
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bool load(const TQString& filePath, DImgLoaderObserver *observer);
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bool save(const TQString& filePath, DImgLoaderObserver *observer);
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virtual bool hasAlpha() const;
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virtual bool sixteenBit() const;
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virtual bool isReadOnly() const { return false; };
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private:
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void writeRawProfile(png_struct *ping, png_info *ping_info, char *profile_type,
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char *profile_data, png_uint_32 length);
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size_t concatenateString(char *destination, const char *source, const size_t length);
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size_t copyString(char *destination, const char *source, const size_t length);
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long formatString(char *string, const size_t length, const char *format,...);
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long formatStringList(char *string, const size_t length, const char *format, va_list operands);
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private:
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bool m_sixteenBit;
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bool m_hasAlpha;
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};
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} // NameSpace Digikam
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#endif /* PNGLOADER_H */
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