Exemplo n.º 1
0
void	main(void)
{
int	gdriver=DETECT, gmode, MaxX, MaxY;
DevPt	pa, pc;

  initgraph (&gdriver, &gmode, "");

  MaxX = getmaxx();
  MaxY = getmaxy();

  pc.x = (MaxX + 1) >> 1;
  pc.y = (MaxY + 1) >> 1;

  for (pa.x=0, pa.y=0; pa.x < MaxX ; pa.x += 4)
	b_line (&pc, &pa, RED);
  for (pa.x=MaxX, pa.y=0; pa.y < MaxY ; pa.y += 3)
	b_line (&pc, &pa, GREEN);

  for (pa.x=MaxX, pa.y=MaxY; pa.x >= 0 ; pa.x -= 4)
	b_line (&pc, &pa, LIGHTRED);
  for (pa.x=0, pa.y=MaxY; pa.y >= 0 ; pa.y -= 3)
	b_line (&pc, &pa, LIGHTGREEN);

  getchar();
}
Exemplo n.º 2
0
int main()
{
	initwindow(640, 360, "DDA - railway");
	
	b_line(12,12,300,300);
	
	while ( !kbhit() )
		delay(100);

	return EXIT_SUCCESS;
}
Exemplo n.º 3
0
void turningDrowLine(cv::Mat * image)
{
   if ( image == NULL )
      return;
   float len = std::min(image->cols, image->rows);
   Geometry::Line_2d b_line(Geometry::Point2f(len/2+100, len/2+len/4),
                           Geometry::Point2f(len/2-100, len/2+len/4));

   Geometry::Point2f turn_center(len/2,len/2);

   int n = 11;

   for (int i =0; i < n; ++i)
   {
      Geometry::Line_2d dr_line(b_line);
      Geometry::turnShape(&dr_line, 2*M_PI*i/n, turn_center);
      Geometry::drowShape(dr_line, image, cv::Scalar(0), 1,
                cv::Scalar(0), 0);
   }
}