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();
}
int main()
{
initwindow(640, 360, "DDA - railway");
b_line(12,12,300,300);
while ( !kbhit() )
delay(100);
return EXIT_SUCCESS;
}
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);
}
}
