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Diffstat (limited to 'src/libs/dimg/loaders/pngloader.h')
-rw-r--r-- | src/libs/dimg/loaders/pngloader.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/libs/dimg/loaders/pngloader.h b/src/libs/dimg/loaders/pngloader.h new file mode 100644 index 00000000..202a278c --- /dev/null +++ b/src/libs/dimg/loaders/pngloader.h @@ -0,0 +1,73 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-11-01 + * Description : a PNG image loader for DImg framework. + * + * Copyright (C) 2005-2009 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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 PNGLOADER_H +#define PNGLOADER_H + +extern "C" +{ +#include <stdarg.h> +#include <png.h> +} + +// Local includes. + +#include "dimgloader.h" +#include "digikam_export.h" + +namespace Digikam +{ +class DImg; + +class DIGIKAM_EXPORT PNGLoader : public DImgLoader +{ +public: + + PNGLoader(DImg* image); + + bool load(const TQString& filePath, DImgLoaderObserver *observer); + bool save(const TQString& filePath, DImgLoaderObserver *observer); + + virtual bool hasAlpha() const; + virtual bool sixteenBit() const; + virtual bool isReadOnly() const { return false; }; + +private: + + void writeRawProfile(png_struct *ping, png_info *ping_info, char *profile_type, + char *profile_data, png_uint_32 length); + + size_t concatenateString(char *destination, const char *source, const size_t length); + size_t copyString(char *destination, const char *source, const size_t length); + long formatString(char *string, const size_t length, const char *format,...); + long formatStringList(char *string, const size_t length, const char *format, va_list operands); + +private: + + bool m_sixteenBit; + bool m_hasAlpha; +}; + +} // NameSpace Digikam + +#endif /* PNGLOADER_H */ |