public void DrawLine(System.Drawing.Point pt1, System.Drawing.Point pt2, System.Drawing.Color color, int thickness, int lineType, int shift)
{
// __CvScalar here is come instread CV_RGB
PInvoke.cvLine(this.Internal, new __CvPoint(pt1.X, pt1.Y), new __CvPoint(pt2.X, pt2.Y),
new __CvScalar(color.R, color.G, color.B, 0), thickness, lineType, shift);
CVUtils.CheckLastError();
}
