Fawkes API  Fawkes Development Version
drawer.h
00001 
00002 /***************************************************************************
00003  *  drawer.h - Drawer allows to draw arbitrarily in a buffer
00004  *
00005  *  Generated: Wed Feb 08 20:30:00 2006
00006  *  Copyright  2005-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __FIREVISION_FVUTILS_DRAWER_H_
00025 #define __FIREVISION_FVUTILS_DRAWER_H_
00026 
00027 #include <fvutils/color/yuv.h>
00028 
00029 namespace firevision {
00030 #if 0 /* just to make Emacs auto-indent happy */
00031 }
00032 #endif
00033 
00034 class Drawer {
00035 
00036  public:
00037   Drawer();
00038   ~Drawer();
00039 
00040   void draw_circle(int center_x, int center_y, unsigned int radius);
00041 
00042   void draw_rectangle(unsigned int x, unsigned int y,
00043                      unsigned int w, unsigned int h);
00044 
00045   void draw_rectangle_inverted(unsigned int x, unsigned int y,
00046                              unsigned int w, unsigned int h);
00047 
00048   void draw_point(unsigned int x, unsigned int y);
00049   void color_point(unsigned int x, unsigned int y);
00050   void color_point(unsigned int x, unsigned int y, YUV_t color);
00051   void draw_line(unsigned int x_start, unsigned int y_start,
00052                 unsigned int x_end, unsigned int y_end);
00053   void draw_cross(unsigned int x_center, unsigned int y_center, unsigned int width);
00054 
00055   void set_buffer(unsigned char *buffer,
00056                  unsigned int width, unsigned int height);
00057 
00058   void set_color(unsigned char y, unsigned char u, unsigned char v);
00059   void set_color(YUV_t color);
00060 
00061  private:
00062   unsigned char  *__buffer;
00063   unsigned int    __width;
00064   unsigned int    __height;
00065   YUV_t           __color;
00066 
00067 };
00068 
00069 } // end namespace firevision
00070 
00071 #endif