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be_zodiac.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2006 The ScummVM project
 * Copyright (C) 2002-2006 Chris Apers - PalmOS Backend
 *
 * 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: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/backends/platform/PalmOS/Src/be_zodiac.h $
 * $Id: be_zodiac.h 24417 2006-10-21 18:36:35Z chrilith $
 *
 */

#ifndef BE_ZODIAC_H
#define BE_ZODIAC_H

#include <tapwave.h>
#include "be_os5ex.h"

#define MIN_OFFSET      20

class OSystem_PalmZodiac : public OSystem_PalmOS5Ex {
private:
      enum {
            kRatioNone = 0,
            kRatioHeight,
            kRatioWidth
      };
      struct {
            UInt8 adjustAspect;
            Coord width;      // (width x 320)
            Coord height;     // (480 x height)
      } _ratio;

      TwGfxType *_gfxH;
      TwGfxSurfaceType *_palmScreenP, *_tmpScreenP;
      TwGfxSurfaceType *_overlayP;
      UInt16 _nativePal[256], _mousePal[256];
      Boolean _fullscreen;
      
      TwGfxPointType _srcPos;
      TwGfxRectType _srcRect, _dstRect;
      TwGfxBitmapType _srcBmp;

      void int_initBackend();
      void int_setShakePos(int shakeOffset);

      void draw_mouse();
      void undraw_mouse();

      void unload_gfx_mode();
      void load_gfx_mode();
      void hotswap_gfx_mode(int mode);

      void extras_palette(uint8 index, uint8 r, uint8 g, uint8 b);
      void calc_rect(Boolean fullscreen);
      void get_coordinates(EventPtr ev, Coord &x, Coord &y);
      bool check_event(Event &event, EventPtr ev);
      void draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color = 0);

public:
      OSystem_PalmZodiac();

      static OSystem *create();
      
      void setFeatureState(Feature f, bool enable);

      int getDefaultGraphicsMode() const;

      void updateScreen();
      bool grabRawScreen(Graphics::Surface *surf);

      void setCursorPalette(const byte *colors, uint start, uint num);

      void clearOverlay();
      void grabOverlay(OverlayColor *buf, int pitch);
      void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
      OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
      void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);
};

#endif

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