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be_zodiac.cpp

/* 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.cpp $
 * $Id: be_zodiac.cpp 22911 2006-06-04 12:12:24Z sev $
 *
 */

#include "be_zodiac.h"

OSystem_PalmZodiac::OSystem_PalmZodiac() : OSystem_PalmOS5Ex() {
      _gfxH = NULL;
      _overlayP = NULL;
      _palmScreenP = NULL;
      _tmpScreenP = NULL;
      _stretched = false;
}

void OSystem_PalmZodiac::int_initBackend() {
      _keyMouse.bitUp         = keyBitRockerUp;
      _keyMouse.bitDown = keyBitRockerDown;
      _keyMouse.bitLeft = keyBitRockerLeft;
      _keyMouse.bitRight      = keyBitRockerRight;
      _keyMouse.bitButLeft= keyBitRockerCenter;
      _keyMouse.hasMore = true;
}

void OSystem_PalmZodiac::calc_rect(Boolean fullscreen) {
      Int32 w, h;
      
      if (fullscreen) {
            w = (_ratio.adjustAspect == kRatioWidth) ? _ratio.width : gVars->screenFullWidth;
            h = (_ratio.adjustAspect == kRatioHeight) ? _ratio.height : gVars->screenFullHeight;

            _screenOffset.x = (_ratio.adjustAspect == kRatioWidth) ? (gVars->screenFullWidth - _ratio.width) / 2 : 0;
            _screenOffset.y = (_ratio.adjustAspect == kRatioHeight) ? (gVars->screenFullHeight - _ratio.height) / 2 : 0;

      } else {
            w = gVars->screenWidth;
            h = gVars->screenHeight - MIN_OFFSET * 2;

            _screenOffset.x = 0;
            _screenOffset.y = MIN_OFFSET;       
      }

      _dstRect.x = _screenOffset.x;
      _dstRect.y = _screenOffset.y;
      _dstRect.w = w;
      _dstRect.h = h;
      
      _screenDest.w = _dstRect.w;
      _screenDest.h = _dstRect.h;
}

void OSystem_PalmZodiac::setFeatureState(Feature f, bool enable) {
      switch (f) {
/*          case kFeatureFullscreenMode:
                  if (_gfxLoaded)
                        if (OPTIONS_TST(kOptModeWide) && _initMode != GFX_WIDE) {
                              _fullscreen = enable;
                              hotswap_gfx_mode(_mode);
                        }
                  break;
*/
            case kFeatureAspectRatioCorrection:
                  if (_mode == GFX_WIDE) {
                        _ratio.adjustAspect = (_ratio.adjustAspect + 1) % 3;
                        calc_rect(true);
                        TwGfxSetClip(_palmScreenP, &_dstRect);
                        clearScreen();
                  }
                  break;
      }
}

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