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default-palette.h

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef BACKENDS_GRAPHICS_DEFAULT_PALETTE_H
00024 #define BACKENDS_GRAPHICS_DEFAULT_PALETTE_H
00025 
00026 #include "graphics/palette.h"
00027 
00036 class DefaultPaletteManager : public PaletteManager {
00037 protected:
00038     byte _palette[3 * 256];
00039 
00046     virtual void setPaletteIntern(const byte *colors, uint start, uint num) = 0;
00047 
00048 public:
00049     void setPalette(const byte *colors, uint start, uint num) {
00050         assert(start + num <= 256);
00051         memcpy(_palette + 3 * start, colors, 3 * num);
00052         setPaletteIntern(colors, start, num);
00053     }
00054     void grabPalette(byte *colors, uint start, uint num) const {
00055         assert(start + num <= 256);
00056         memcpy(colors, _palette + 3 * start, 3 * num);
00057     }
00058 };
00059 
00060 #endif


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