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Diffstat (limited to 'engines/kyra/graphics/screen_lok.h')
-rw-r--r-- | engines/kyra/graphics/screen_lok.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/engines/kyra/graphics/screen_lok.h b/engines/kyra/graphics/screen_lok.h new file mode 100644 index 0000000000..3a4ebfd6a4 --- /dev/null +++ b/engines/kyra/graphics/screen_lok.h @@ -0,0 +1,111 @@ +/* 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_LOK_H +#define KYRA_SCREEN_LOK_H + +#include "kyra/graphics/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 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(); + + // AMIGA specific + virtual void postProcessCursor(uint8 *data, int width, int height, int pitch); + +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 |