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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 SCI_GRAPHICS_REMAP_H
#define SCI_GRAPHICS_REMAP_H
#include "common/array.h"
#include "sci/graphics/helpers.h"
namespace Sci {
class GfxScreen;
enum ColorRemappingType {
kRemappingNone = 0,
kRemappingByRange = 1,
kRemappingByPercent = 2,
kRemappingToGray = 3,
kRemappingToPercentGray = 4
};
#define REMAP_COLOR_COUNT 9
#define NON_REMAPPED_COLOR_COUNT 236
/**
* Remap class, handles color remapping
*/
class GfxRemap {
public:
GfxRemap(GfxPalette *_palette);
~GfxRemap();
void resetRemapping();
void setRemappingPercent(byte color, byte percent);
void setRemappingRange(byte color, byte from, byte to, byte base);
bool isRemapped(byte color) const {
return _remapOn && (_remappingType[color] != kRemappingNone);
}
byte remapColor(byte remappedColor, byte screenColor);
void updateRemapping();
private:
GfxScreen *_screen;
GfxPalette *_palette;
bool _remapOn;
ColorRemappingType _remappingType[256];
byte _remappingByPercent[256];
byte _remappingByRange[256];
uint16 _remappingPercentToSet;
};
#ifdef ENABLE_SCI32
struct RemapParams {
byte from;
byte to;
byte base;
byte gray;
byte oldGray;
byte percent;
byte oldPercent;
ColorRemappingType type;
Color curColor[256];
Color targetColor[256];
byte distance[256];
byte remap[256];
bool colorChanged[256];
RemapParams() {
from = to = base = gray = oldGray = percent = oldPercent = 0;
type = kRemappingNone;
// curColor and targetColor are initialized in GfxRemap32::initColorArrays
memset(curColor, 0, 256 * sizeof(Color));
memset(targetColor, 0, 256 * sizeof(Color));
memset(distance, 0, 256);
for (int i = 0; i < NON_REMAPPED_COLOR_COUNT; i++)
remap[i] = i;
Common::fill(colorChanged, colorChanged + ARRAYSIZE(colorChanged), true);
}
RemapParams(byte from_, byte to_, byte base_, byte gray_, byte percent_, ColorRemappingType type_) {
from = from_;
to = to_;
base = base_;
gray = oldGray = gray_;
percent = oldPercent = percent_;
type = type_;
// curColor and targetColor are initialized in GfxRemap32::initColorArrays
memset(curColor, 0, 256 * sizeof(Color));
memset(targetColor, 0, 256 * sizeof(Color));
memset(distance, 0, 256);
for (int i = 0; i < NON_REMAPPED_COLOR_COUNT; i++)
remap[i] = i;
Common::fill(colorChanged, colorChanged + ARRAYSIZE(colorChanged), true);
}
};
class GfxRemap32 {
public:
GfxRemap32(GfxPalette32 *palette);
~GfxRemap32() {}
void remapOff(byte color);
void setRemappingRange(byte color, byte from, byte to, byte base);
void setRemappingPercent(byte color, byte percent);
void setRemappingToGray(byte color, byte gray);
void setRemappingToPercentGray(byte color, byte gray, byte percent);
void setNoMatchRange(byte from, byte count);
bool remapEnabled(byte color) const;
byte remapColor(byte color, byte target);
bool remapAllTables(bool palChanged);
int getRemapCount() const { return _remapCount; }
int getStartColor() const { return _remapEndColor - REMAP_COLOR_COUNT + 1; }
int getEndColor() const { return _remapEndColor; }
private:
GfxPalette32 *_palette;
RemapParams _remaps[REMAP_COLOR_COUNT];
bool _update;
byte _noMapStart, _noMapCount;
bool _targetChanged[NON_REMAPPED_COLOR_COUNT];
byte _remapEndColor;
int _remapCount;
void initColorArrays(byte index);
bool applyRemap(byte index);
bool updateRemap(byte index, bool palChanged);
};
#endif
} // End of namespace Sci
#endif
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