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C/C++ Source or Header  |  1994-08-05  |  465b  |  31 lines
  1. #include <LEDA/window.h>
  2.  
  3.  
  4. window W(500,500);
  5.  
  6. void draw_mouse_label(double x, double y)
  7. { W.draw_text(x,y,"MOUSE","steelblue"); }
  8.  
  9. main()
  10. {  
  11.   W.init(0,4,0);
  12.   W.set_show_coordinates(false);
  13.   W.clear("grey30");
  14.  
  15.   for(int i=0;i<16;i++)
  16.   { W.set_line_style(solid);
  17.  
  18.     int y = 10*(i+1);
  19.  
  20.     W.draw_disc(i%4+0.5,i/4+0.5,0.45,i);
  21.     W.draw_circle(i%4+0.5,i/4+0.5,0.45,black);
  22.    }
  23.  
  24.   double x,y; 
  25.  
  26.   W.read_mouse_action(draw_mouse_label,x,y); 
  27.  
  28.   return 0;
  29.  
  30.  }
  31.