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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_PALETTE_H
#define SCI_GRAPHICS_PALETTE_H
#include "common/array.h"
#include "sci/graphics/helpers.h"
#include "sci/util.h"
namespace Sci {
class ResourceManager;
class GfxScreen;
// Special flag implemented by us for optimization in palette merge
#define SCI_PALETTE_MATCH_PERFECT 0x8000
#define SCI_PALETTE_MATCH_COLORMASK 0xFF
/**
* Palette class, handles palette operations like changing intensity, setting up the palette, merging different palettes
*/
class GfxPalette : public Common::Serializable {
public:
GfxPalette(ResourceManager *resMan, GfxScreen *screen);
~GfxPalette();
bool isMerging();
bool isUsing16bitColorMatch();
void setDefault();
void createFromData(const SciSpan<const byte> &data, Palette *paletteOut) const;
bool setAmiga();
void modifyAmigaPalette(const SciSpan<const byte> &data);
void setEGA();
void set(Palette *sciPal, bool force, bool forceRealMerge = false);
bool insert(Palette *newPalette, Palette *destPalette);
bool merge(Palette *pFrom, bool force, bool forceRealMerge);
uint16 matchColor(byte r, byte g, byte b);
void getSys(Palette *pal);
uint16 getTotalColorCount() const { return _totalScreenColors; }
void setOnScreen();
void copySysPaletteToScreen();
void drewPicture(GuiResourceId pictureId);
bool kernelSetFromResource(GuiResourceId resourceId, bool force);
void kernelSetFlag(uint16 fromColor, uint16 toColor, uint16 flag);
void kernelUnsetFlag(uint16 fromColor, uint16 toColor, uint16 flag);
void kernelSetIntensity(uint16 fromColor, uint16 toColor, uint16 intensity, bool setPalette);
int16 kernelFindColor(uint16 r, uint16 g, uint16 b);
bool kernelAnimate(byte fromColor, byte toColor, int speed);
void kernelAnimateSet();
reg_t kernelSave();
void kernelRestore(reg_t memoryHandle);
void kernelAssertPalette(GuiResourceId resourceId);
void kernelSyncScreenPalette();
bool kernelPalVaryInit(GuiResourceId resourceId, uint16 ticks, uint16 stepStop, uint16 direction);
int16 kernelPalVaryReverse(int16 ticks, uint16 stepStop, int16 direction);
int16 kernelPalVaryGetCurrentStep();
int16 kernelPalVaryChangeTarget(GuiResourceId resourceId);
void kernelPalVaryChangeTicks(uint16 ticks);
void kernelPalVaryPause(bool pause);
void kernelPalVaryDeinit();
void palVaryUpdate();
void palVaryPrepareForTransition();
void palVaryProcess(int signal, bool setPalette);
void delayForPalVaryWorkaround();
Palette _sysPalette;
void saveLoadWithSerializer(Common::Serializer &s);
void palVarySaveLoadPalette(Common::Serializer &s, Palette *palette);
byte findMacIconBarColor(byte r, byte g, byte b);
bool colorIsFromMacClut(byte index);
protected:
void palVaryInit();
void palVaryInstallTimer();
void palVaryRemoveTimer();
bool palVaryLoadTargetPalette(GuiResourceId resourceId);
static void palVaryCallback(void *refCon);
void palVaryIncreaseSignal();
GfxScreen *_screen;
ResourceManager *_resMan;
bool _sysPaletteChanged;
bool _useMerging;
bool _use16bitColorMatch;
Common::Array<PalSchedule> _schedules;
GuiResourceId _palVaryResourceId;
Palette _palVaryOriginPalette;
Palette _palVaryTargetPalette;
int16 _palVaryStep;
int16 _palVaryStepStop;
int16 _palVaryDirection;
uint16 _palVaryTicks;
int _palVaryPaused;
int _palVarySignal;
bool _palVaryZeroTick;
uint16 _totalScreenColors;
void loadMacIconBarPalette();
byte *_macClut;
};
} // End of namespace Sci
#endif
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