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Diffstat (limited to 'engines/access/screen.h')
| -rw-r--r-- | engines/access/screen.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/engines/access/screen.h b/engines/access/screen.h new file mode 100644 index 0000000000..d45a533f9a --- /dev/null +++ b/engines/access/screen.h @@ -0,0 +1,182 @@ +/* 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 ACCESS_SCREEN_H +#define ACCESS_SCREEN_H + +#include "common/scummsys.h" +#include "common/rect.h" +#include "common/stream.h" +#include "access/asurface.h" + +namespace Access { + +class AccessEngine; + +#define PALETTE_COUNT 256 +#define PALETTE_SIZE (256 * 3) + +struct ScreenSave { + int _clipWidth; + int _clipHeight; + int _windowXAdd; + int _windowYAdd; + Common::Point _scroll; + int _scrollCol; + int _scrollRow; + Common::Point _bufferStart; + int _screenYOff; +}; + +class Screen : public ASurface { +private: + AccessEngine *_vm; + byte _tempPalette[PALETTE_SIZE]; + byte _rawPalette[PALETTE_SIZE]; + byte _savedPalettes[2][PALETTE_SIZE]; + int _savedPaletteCount; + int _vesaCurrentWin; + int _currentPanel; + Common::Point _msVirtualOffset; + Common::Point _virtualOffsetsTable[4]; + bool _hideFlag; + ScreenSave _screenSave; + int _startCycle; + int _cycleStart; + int _endCycle; + Common::List<Common::Rect> _dirtyRects; + + void updatePalette(); + + void mergeDirtyRects(); + + bool unionRectangle(Common::Rect &destRect, const Common::Rect &src1, const Common::Rect &src2); +public: + int _vesaMode; + int _startColor, _numColors; + Common::Point _bufferStart; + int _windowXAdd, _windowYAdd; + int _screenYOff; + byte _manPal[0x60]; + byte _scaleTable1[256]; + byte _scaleTable2[256]; + int _vWindowWidth; + int _vWindowHeight; + int _vWindowBytesWide; + int _bufferBytesWide; + int _vWindowLinesTall; + bool _screenChangeFlag; +public: + virtual void copyBlock(ASurface *src, const Common::Rect &bounds); + + virtual void restoreBlock(); + + virtual void drawRect(); + + virtual void transBlitFrom(ASurface *src, const Common::Point &destPos); + + virtual void transBlitFrom(ASurface *src, const Common::Rect &bounds); + + virtual void blitFrom(Graphics::Surface &src); + + virtual void copyBuffer(Graphics::Surface *src); + + virtual void addDirtyRect(const Common::Rect &r); +public: + Screen(AccessEngine *vm); + + virtual ~Screen() {} + + void setDisplayScan(); + + void setPanel(int num); + + /** + * Update the underlying screen + */ + void updateScreen(); + + /** + * Fade out screen + */ + void forceFadeOut(); + + /** + * Fade in screen + */ + void forceFadeIn(); + + void fadeOut() { forceFadeOut(); } + void fadeIn() { forceFadeIn(); } + void clearScreen(); + + /** + * Set the initial palette + */ + void setInitialPalettte(); + + /** + * Set icon palette + */ + void setIconPalette() {} + + void loadPalette(int fileNum, int subfile); + + void setPalette(); + + void loadRawPalette(Common::SeekableReadStream *stream); + + void savePalette(); + + void restorePalette(); + + void getPalette(byte *pal); + + /** + * Copy a buffer to the screen + */ + void copyBuffer(const byte *data); + + void setBufferScan(); + + void setScaleTable(int scale); + + /** + * Save all the screen display state variables + */ + void saveScreen(); + + /** + * Restores previously saved screen display state variables + */ + void restoreScreen(); + + void setPaletteCycle(int startCycle, int endCycle, int timer); + + void cyclePaletteForward(); + + void cyclePaletteBackwards(); +}; + +} // End of namespace Access + +#endif /* ACCESS_SCREEN_H */ |