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palette.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 The ScummVM project
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/lure/palette.h $
 * $Id: palette.h 20578 2006-02-11 19:25:13Z fingolfin $
 *
 */

#ifndef __lure_palette_h__
#define __lure_palette_h__

#include "lure/luredefs.h"
#include "lure/disk.h"
#include "lure/memory.h"

namespace Lure {

enum PaletteSource {RGB, RGB64};

class Palette {
private:
      MemoryBlock *_palette;
      uint16 _numEntries;

      void convertPalette(const byte *palette, uint16 numEntries);
public:
      Palette();
      Palette(uint8 numEntries, const byte *data, PaletteSource paletteSource);
      Palette(Palette &src);
      Palette(uint16 resourceId);

      uint8 *data() { return _palette->data(); }
      MemoryBlock *palette() { return _palette; }
      uint16 numEntries() { return _palette->size() / 4; }
      void setEntry(uint8 index, uint32 value);
      uint32 getEntry(uint8 index);
      void copyFrom(Palette *src); 
};

class PaletteCollection {
private:
      Palette **_palettes;
      uint8 _numPalettes;
public:
      PaletteCollection(uint16 resourceId);
      ~PaletteCollection();

      uint8 numPalettes() { return _numPalettes; }
      Palette &getPalette(uint8 paletteNum);
};

} // end of namspace Lure

#endif

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