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Diffstat (limited to 'engines/kyra/graphics/screen_eob.h')
| -rw-r--r-- | engines/kyra/graphics/screen_eob.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/engines/kyra/graphics/screen_eob.h b/engines/kyra/graphics/screen_eob.h new file mode 100644 index 0000000000..401a229045 --- /dev/null +++ b/engines/kyra/graphics/screen_eob.h @@ -0,0 +1,177 @@ +/* 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); + + 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 color1, int fadeTextColor); + 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); + +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; + + 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 |