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// -----------------------------------------------------------------------------
// This file is part of Broken Sword 2.5
// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsd�rfer
//
// Broken Sword 2.5 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 of the License, or
// (at your option) any later version.
//
// Broken Sword 2.5 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.
//
// You should have received a copy of the GNU General Public License
// along with Broken Sword 2.5; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// -----------------------------------------------------------------------------
/*
BS_PNGLoader
------------
BS_ImageLoader-Klasse zum Laden von PNG-Dateien
Autor: Malte Thiesen
*/
#ifndef BS_PNGLOADER2_H
#define BS_PNGLOADER2_H
// Includes
#include "kernel/common.h"
#include "imageloader.h"
// Klassendefinition
class BS_PNGLoader : public BS_ImageLoader
{
public:
static BS_ImageLoader* CreateInstance()
{
#include "kernel/memlog_off.h"
return (BS_ImageLoader*) new BS_PNGLoader();
#include "kernel/memlog_on.h"
}
// Alle virtuellen Methoden von BS_ImageLoader sind hier als static-Methode implementiert, damit sie von BS_B25SLoader aufgerufen werden k�nnen.
// Die virtuellen Methoden rufen diese Methoden auf.
static bool DoIsCorrectImageFormat(const char * FileDataPtr, unsigned int FileSize);
static bool DoDecodeImage(const char * FileDataPtr, unsigned int FileSize, BS_GraphicEngine::COLOR_FORMATS ColorFormat, char * & UncompressedDataPtr,
int & Width, int & Height, int & Pitch);
static bool DoImageProperties(const char * FileDataPtr, unsigned int FileSize, BS_GraphicEngine::COLOR_FORMATS & ColorFormat, int & Width, int & Height);
protected:
BS_PNGLoader();
bool DecodeImage(const char * pFileData, unsigned int FileSize,
BS_GraphicEngine::COLOR_FORMATS ColorFormat,
char * & pUncompressedData,
int & Width, int & Height,
int & Pitch);
bool IsCorrectImageFormat(const char * FileDataPtr, unsigned int FileSize);
bool ImageProperties(const char * FileDatePtr, unsigned int FileSize, BS_GraphicEngine::COLOR_FORMATS & ColorFormat, int & Width, int & Height);
};
#endif
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