canvas.h

   1
   2 ////////////////////////////////////////////////////////////////////
   3 // START_IP_HEADER                                                //
   4 //                                                                //
   5 // Written by Francois Fleuret                                    //
   6 // Contact <francois.fleuret@idiap.ch> for comments & bug reports //
   7 //                                                                //
   8 // END_IP_HEADER                                                  //
   9 ////////////////////////////////////////////////////////////////////
  10
  11 #ifndef CANVAS_H
  12 #define CANVAS_H
  13
  14 #include "misc.h"
  15
  16 class Canvas {
  17 public:
  18   virtual void set_line_width(scalar_t w) = 0;
  19   virtual void set_drawing_color(scalar_t r, scalar_t g, scalar_t b) = 0;
  20   virtual void draw_polygon(int filled, int nb, scalar_t *x, scalar_t *y) = 0;
  21 };
  22
  23 #endif