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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.
*
* $URL$
* $Id$
*
*/
#ifndef KYRA_SCREEN_LOK_H
#define KYRA_SCREEN_LOK_H
#include "kyra/screen.h"
namespace Kyra {
class KyraEngine_LoK;
class Screen_LoK : public Screen {
public:
Screen_LoK(KyraEngine_LoK *vm, OSystem *system);
virtual ~Screen_LoK();
bool init();
int getRectSize(int w, int h);
void setScreenDim(int dim);
const ScreenDim *getScreenDim(int dim);
void setTextColorMap(const uint8 *cmap);
void fadeSpecialPalette(int palIndex, int startIndex, int size, int fadeTime);
void savePageToDisk(const char *file, int page);
void loadPageFromDisk(const char *file, int page);
void queryPageFromDisk(const char *file, int page, uint8 *buffer);
void deletePageFromDisk(int page);
void copyBackgroundBlock(int x, int page, int flag);
void copyBackgroundBlock2(int x);
void addBitBlitRect(int x, int y, int w, int h);
void bitBlitRects();
protected:
enum {
kNumBitBlitRects = 10
};
KyraEngine_LoK *_vm;
static const ScreenDim _screenDimTable[];
static const int _screenDimTableCount;
Common::Rect _bitBlitRects[kNumBitBlitRects];
int _bitBlitNum;
uint8 *_unkPtr1, *_unkPtr2;
uint8 *_saveLoadPage[8];
uint8 *_saveLoadPageOvl[8];
};
class Screen_LoK_16 : public Screen_LoK {
public:
Screen_LoK_16(KyraEngine_LoK *vm, OSystem *system);
void setScreenPalette(const Palette &pal);
void fadePalette(const Palette &pal, int delay, const UpdateFunctor *upFunc = 0);
void getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff);
int fadePalStep(const Palette &pal, int diff);
private:
void updateDirtyRectsOvl();
void convertTo16Colors(uint8 *page, int w, int h, int pitch, int keyColor = -1);
void postProcessCursor(uint8 *data, int width, int height, int pitch) {
convertTo16Colors(data, width, height, pitch, _cursorColorKey);
}
void mergeOverlay(int x, int y, int w, int h);
void set16ColorPalette(const uint8 *pal);
void paletteMap(uint8 idx, int r, int g, int b);
struct PaletteDither {
uint8 bestMatch;
uint8 invertMatch;
};
PaletteDither _paletteDither[256];
static const uint8 _palette16[48];
};
} // end of namespace Kyra
#endif
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