canvas_imp_rgb.h
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/**
* \file canvas_imp_rgb.h
*
* \brief eine Canvas Implementation für ein rgb Canvas.
*
* \author Georg Steffers <georg@steffers.org> [gs]
*
* \date 04.12.2003
*
* \version ..2002 [gs]: erste funktionierende Implementation
* \version 22.12.2003 [gs]: <ul><li>
* beginn der Dokumentation via doxygen
* </li><li>
* Light und Fogtables hinzugefügt
* eine Methode für perPixel Shading
* eingebaut, (soll heissen ein gesetztes
* Pixel kann nachtr&aum;glich noch
* geshaded werden.
* </li></ul>
*/
/*
* Copyright (C)2003 Georg Steffers
*
* 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 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __canvas_imp_rgb_h__
#define __canvas_imp_rgb_h__
#include "canvas_imp.h"
class canvas_imp_rgb : public canvas_imp {
private:
enum rgb_e_t { red=0, green, blue };
unsigned* light_table[3];
unsigned* fog_table[3];
char bytes_per_rgb;
unsigned long col_mask[3];
unsigned col_shift[3];
unsigned col_max[3];
void compute_color_resolution(void);
void compute_light_table(void);
void compute_fog_table(void);
public:
canvas_imp_rgb(unsigned long, unsigned long, unsigned long,
char, char);
virtual ~canvas_imp_rgb() {}
unsigned long ext_to_native(unsigned, unsigned, unsigned);
void light_native(unsigned long* col, unsigned intense);
// und wieder fehlt alles für light und fog.
};
#endif // __canvas_imp_rgb_h__