Logo Search packages:      
Sourcecode: scummvm version File versions

zodiac_overlay.cpp

/* 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.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-13-0/backends/platform/PalmOS/Src/zodiac_overlay.cpp $
 * $Id: zodiac_overlay.cpp 34912 2008-11-06 15:02:50Z fingolfin $
 *
 */

#include "be_zodiac.h"
#include "common/endian.h"

void OSystem_PalmZodiac::clearOverlay() {
      if (!_overlayVisible)
            return;

      Err e;
      TwGfxPointType pos = {0, 0};
      TwGfxBitmapType bmp = {
            sizeof(TwGfxBitmapType),
            _screenWidth, _screenHeight, _screenWidth, twGfxPixelFormat8bpp,
            (void *)_offScreenP, (UInt16 *)_nativePal
      };
      e = TwGfxDrawBitmap(_overlayP, &pos, &bmp);
}

void OSystem_PalmZodiac::grabOverlay(OverlayColor *buf, int pitch) {
      Err e;
      OverlayColor *src;

      e = TwGfxLockSurface(_overlayP, (void **)&src);
      int h = _screenHeight;
      do {
            memcpy(buf, src, _screenWidth * 2);
            src += _screenWidth;
            buf += pitch;
      } while (--h);

      e = TwGfxUnlockSurface(_overlayP, 0);
}

void OSystem_PalmZodiac::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {
      Err e;
      TwGfxPointType pos = {x, y};
      TwGfxBitmapType bmp = {
            sizeof(TwGfxBitmapType),
            w, h, pitch * 2 , twGfxPixelFormatRGB565_LE,
            (void *)buf, 0
      };
      e = TwGfxDrawBitmap(_overlayP, &pos, &bmp);
}

Generated by  Doxygen 1.6.0   Back to index