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74 lines
2.3 KiB
74 lines
2.3 KiB
/**
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* \file canvas_imp_rgb.h
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*
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* \brief eine Canvas Implementation für ein rgb Canvas.
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*
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* \author Georg Steffers <georg@steffers.org> [gs]
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*
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* \date 04.12.2003
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*
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* \version ..2002 [gs]: erste funktionierende Implementation
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* \version 22.12.2003 [gs]: <ul><li>
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* beginn der Dokumentation via doxygen
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* </li><li>
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* Light und Fogtables hinzugefügt
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* eine Methode für perPixel Shading
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* eingebaut, (soll heissen ein gesetztes
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* Pixel kann nachtr&aum;glich noch
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* geshaded werden.
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* </li></ul>
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*/
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/*
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* Copyright (C)2003 Georg Steffers
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __canvas_imp_rgb_h__
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#define __canvas_imp_rgb_h__
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#include "canvas_imp.h"
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class canvas_imp_rgb : public canvas_imp {
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private:
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enum rgb_e_t { red=0, green, blue };
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unsigned* light_table[3];
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unsigned* fog_table[3];
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char bytes_per_rgb;
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unsigned long col_mask[3];
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unsigned col_shift[3];
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unsigned col_max[3];
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void compute_color_resolution(void);
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void compute_light_table(void);
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void compute_fog_table(void);
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public:
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canvas_imp_rgb(unsigned long, unsigned long, unsigned long,
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char, char);
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virtual ~canvas_imp_rgb() {}
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unsigned long ext_to_native(unsigned, unsigned, unsigned);
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void light_native(unsigned long* col, unsigned intense);
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// und wieder fehlt alles für light und fog.
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};
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#endif // __canvas_imp_rgb_h__
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