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surface.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2005 The ScummVM project
 *
 * 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.
 *
 * $Header: /cvsroot/scummvm/scummvm/graphics/surface.h,v 1.10.2.1 2005/10/18 02:11:18 sev Exp $
 */

#ifndef GRAPHICS_SURFACE_H
#define GRAPHICS_SURFACE_H

#include "common/scummsys.h"
#include "common/rect.h"

namespace Graphics {


/**
 * An arbitrary graphics surface, which can be the target (or source) of blit
 * operations, font rendering, etc.
 */
00034 struct Surface {
      void *pixels;
      uint16 w;
      uint16 h;
      uint16 pitch;
      uint8 bytesPerPixel;
      Surface() : pixels(0), w(0), h(0), pitch(0), bytesPerPixel(0) {}

      inline const void *getBasePtr(int x, int y) const {
            // SumthinWicked says: I was getting a typecast error here from GCC/UIQ: might need an #ifdef __SYMBIAN32__
            return static_cast<const void *>(static_cast<byte *>(pixels) + y * pitch + x * bytesPerPixel);
      }

      inline void *getBasePtr(int x, int y) {
            return static_cast<void *>(static_cast<byte *>(pixels) + y * pitch + x * bytesPerPixel);
      }

      /**
       * Allocate pixels memory for this surface and for the specified dimension.
       */
      void create(uint16 width, uint16 height, uint8 bytesPP);

      /**
       * Release the memory used by the pixels memory of this surface. This is the
       * counterpart to create().
       */
      void free();

      void drawLine(int x0, int y0, int x1, int y1, uint32 color);
      void hLine(int x, int y, int x2, uint32 color);
      void vLine(int x, int y, int y2, uint32 color);
      void fillRect(const Common::Rect &r, uint32 color);
      void frameRect(const Common::Rect &r, uint32 color);
};


} // End of namespace Graphics


#endif

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