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nut_renderer.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2004 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/nut_renderer.h,v 1.21 2004/10/09 00:47:47 fingolfin Exp $
 */

#ifndef NUT_RENDERER_H
#define NUT_RENDERER_H

#include "common/file.h"
#include "graphics/surface.h"

namespace Scumm {

class ScummEngine;

class NutRenderer {
protected:
      ScummEngine *_vm;
      bool _initialized;
      bool _loaded;
      int _numChars;
      struct {
            int xoffs;
            int yoffs;
            int width;
            int height;
            byte *src;
      } _chars[256];

      int32 decodeCodec44(byte *dst, const byte *src, uint32 length);

      void drawChar(const Graphics::Surface &s, byte c, int x, int y, byte color);
      void draw2byte(const Graphics::Surface &s, int c, int x, int y, byte color);

public:
      NutRenderer(ScummEngine *vm);
      virtual ~NutRenderer();
      int getNumChars() { return _numChars; }

      bool loadFont(const char *filename);

      void drawFrame(byte *dst, int c, int x, int y);
      void drawShadowChar(const Graphics::Surface &s, int c, int x, int y, byte color, bool showShadow);

      int getCharWidth(byte c) const;
      int getCharHeight(byte c) const;

      int getCharOffsX(byte c) const;
      int getCharOffsY(byte c) const;
};

} // End of namespace Scumm

#endif

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