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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef MADS_PALETTE_H
#define MADS_PALETTE_H
#include "common/scummsys.h"
namespace MADS {
class MADSEngine;
struct RGB8 {
uint8 r, g, b, u;
};
class RGBList {
private:
int _size;
RGB8 *_data;
byte *_palIndexes;
bool _freeData;
public:
RGBList(int numEntries = 256, RGB8 *srcData = NULL, bool freeData = true);
~RGBList();
RGB8 *data() { return _data; }
byte *palIndexes() { return _palIndexes; }
int size() { return _size; }
};
#define PALETTE_COUNT 256
class Palette {
private:
MADSEngine *_vm;
bool _colorsChanged;
bool _fading_in_progress;
byte _originalPalette[PALETTE_COUNT * 4];
byte _fadedPalette[PALETTE_COUNT * 4];
int _usageCount[PALETTE_COUNT];
void reset();
public:
Palette(MADSEngine *vm);
void setPalette(const byte *colors, uint start, uint num);
void setPalette(const RGB8 *colors, uint start, uint num);
void grabPalette(byte *colors, uint start, uint num);
void grabPalette(RGB8 *colors, uint start, uint num) {
grabPalette((byte *)colors, start, num);
}
uint8 palIndexFromRgb(byte r, byte g, byte b, RGB8 *paletteData = NULL);
void fadeIn(int numSteps, uint delayAmount, RGB8 *destPalette, int numColors);
void fadeIn(int numSteps, uint delayAmount, RGBList *destPalette);
static RGB8 *decodeMadsPalette(Common::SeekableReadStream *palStream, int *numColors);
int setMadsPalette(Common::SeekableReadStream *palStream, int indexStart = 0);
void setMadsSystemPalette();
void fadeRange(RGB8 *srcPal, RGB8 *destPal, int startIndex, int endIndex,
int numSteps, uint delayAmount);
// Methods used for reference counting color usage
void resetColorCounts();
void blockRange(int startIndex, int size);
void addRange(RGBList *list);
void deleteRange(RGBList *list);
void deleteAllRanges();
// Color indexes
uint8 BLACK;
uint8 BLUE;
uint8 GREEN;
uint8 CYAN;
uint8 RED;
uint8 VIOLET;
uint8 BROWN;
uint8 LIGHT_GRAY;
uint8 DARK_GRAY;
uint8 LIGHT_BLUE;
uint8 LIGHT_GREEN;
uint8 LIGHT_CYAN;
uint8 LIGHT_RED;
uint8 PINK;
uint8 YELLOW;
uint8 WHITE;
};
} // End of namespace MADS
#endif /* MADS_PALETTE_H */
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