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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 KYRA_SCREEN_EOB_H
#define KYRA_SCREEN_EOB_H
#ifdef ENABLE_EOB
#include "kyra/graphics/screen.h"
namespace Kyra {
class EoBCoreEngine;
class Screen_EoB : public Screen {
public:
Screen_EoB(EoBCoreEngine *vm, OSystem *system);
virtual ~Screen_EoB();
bool init();
void setClearScreenDim(int dim);
void clearCurDim();
void setMouseCursor(int x, int y, const byte *shape);
void setMouseCursor(int x, int y, const byte *shape, const uint8 *ovl);
void loadFileDataToPage(Common::SeekableReadStream *s, int pageNum, uint32 size);
void printShadedText(const char *string, int x, int y, int col1, int col2, int shadowCol);
virtual void loadBitmap(const char *filename, int tempPage, int dstPage, Palette *pal, bool skip = false);
void loadEoBBitmap(const char *file, const uint8 *cgaMapping, int tempPage, int destPage, int convertToPage);
void loadShapeSetBitmap(const char *file, int tempPage, int destPage);
void convertPage(int srcPage, int dstPage, const uint8 *cgaMapping);
void setScreenPalette(const Palette &pal);
void getRealPalette(int num, uint8 *dst);
uint8 *encodeShape(uint16 x, uint16 y, uint16 w, uint16 h, bool encode8bit = false, const uint8 *cgaMapping = 0);
void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd = -1, int flags = 0, ...);
const uint8 *scaleShape(const uint8 *shapeData, int blockDistance);
const uint8 *scaleShapeStep(const uint8 *shp);
const uint8 *generateShapeOverlay(const uint8 *shp, const uint8 *fadingTable);
void setShapeFrame(int x1, int y1, int x2, int y2);
void enableShapeBackgroundFading(bool enable);
void setShapeFadingLevel(int val);
void setGfxParameters(int x, int y, int col);
void drawExplosion(int scale, int radius, int numElements, int stepSize, int aspectRatio, const uint8 *colorTable, int colorTableSize);
void drawVortex(int numElements, int radius, int stepSize, int, int disorder, const uint8 *colorTable, int colorTableSize);
void fadeTextColor(Palette *pal, int color, int rate);
bool delayedFadePalStep(Palette *fadePal, Palette *destPal, int rate);
void setTextColorMap(const uint8 *cmap) {}
int getRectSize(int w, int h);
void setFadeTable(const uint8 *table);
void createFadeTable(const uint8 *palData, uint8 *dst, uint8 rootColor, uint8 weight);
void createFadeTable16bit(const uint16 *palData, uint16 *dst, uint16 rootColor, uint8 weight);
const uint16 *getCGADitheringTable(int index);
const uint8 *getEGADitheringTable();
bool loadFont(FontId fontId, const char *filename);
// FM-Towns specific
void decodeSHP(const uint8 *data, int dstPage);
void convertToHiColor(int page);
void shadeRect(int x1, int y1, int x2, int y2, int shadingLevel);
// Amiga specific
void loadSpecialAmigaCPS(const char *fileName, int destPage, bool isGraphics);
// This is a simple way of emulating the Amiga copper list palette magic for more than 32 colors.
// I use colors 32 to 63 for these extra colors (which the Amiga copper sends to the color
// registers on the fly at vertical beam position 120).
void setupDualPalettesSplitScreen(Palette &top, Palette &bottom);
void disableDualPalettesSplitScreen();
private:
void updateDirtyRects();
void ditherRect(const uint8 *src, uint8 *dst, int dstPitch, int srcW, int srcH, int colorKey = -1);
void drawShapeSetPixel(uint8 *dst, uint8 col);
void scaleShapeProcessLine2Bit(uint8 *&shpDst, const uint8 *&shpSrc, uint32 transOffsetDst, uint32 transOffsetSrc);
void scaleShapeProcessLine4Bit(uint8 *&dst, const uint8 *&src);
bool posWithinRect(int posX, int posY, int x1, int y1, int x2, int y2);
void setPagePixel16bit(int pageNum, int x, int y, uint16 color);
void generateEGADitheringTable(const Palette &pal);
void generateCGADitheringTables(const uint8 *mappingData);
int _dsDiv, _dsRem, _dsScaleTrans;
uint8 *_cgaScaleTable;
int16 _gfxX, _gfxY;
uint16 _gfxCol;
const uint8 *_gfxMaxY;
int16 _dsX1, _dsX2, _dsY1, _dsY2;
bool _dsBackgroundFading;
int16 _dsBackgroundFadingXOffs;
uint8 _shapeOverlay[16];
uint8 *_dsTempPage;
uint8 *_shpBuffer;
uint8 *_convertHiColorBuffer;
bool _dualPaletteMode;
uint16 *_cgaDitheringTables[2];
const uint8 *_cgaMappingDefault;
uint8 *_egaDitheringTable;
uint8 *_egaDitheringTempPage;
const uint16 _cursorColorKey16Bit;
static const uint8 _egaMatchTable[];
static const ScreenDim _screenDimTable[];
static const int _screenDimTableCount;
};
/**
* SJIS Font variant used in the intro and outro of EOB II FM-Towns. It appears twice as large, since it is not rendered on the hires overlay pages
*/
class SJISFontLarge : public SJISFont {
public:
SJISFontLarge(Graphics::FontSJIS *font);
virtual ~SJISFontLarge() { unload(); }
virtual bool usesOverlay() const { return false; }
virtual void drawChar(uint16 c, byte *dst, int pitch, int) const;
};
/**
* 12 x 12 SJIS font for EOB II FM-Towns. The data for this font comes from a file, not from the font rom.
*/
class SJISFont12x12 : public Font {
public:
SJISFont12x12(const uint16 *searchTable);
virtual ~SJISFont12x12() { unload(); }
virtual bool load(Common::SeekableReadStream &file);
virtual bool usesOverlay() const { return true; }
virtual int getHeight() const { return _height; }
virtual int getWidth() const { return _width; }
virtual int getCharWidth(uint16 c) const { return _width; }
virtual void setColorMap(const uint8 *src) { _colorMap = src; }
virtual void drawChar(uint16 c, byte *dst, int pitch, int) const;
private:
void unload();
uint8 *_data;
Common::HashMap<uint16, uint8> _searchTable;
const uint8 *_colorMap;
const int _height, _width;
};
} // End of namespace Kyra
#endif // ENABLE_EOB
#endif
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