public static void DrawEllipse(IInputOutputArray image,
RotatedRect box,
MCvScalar color,
int thickness = 1,
LineType lineType = LineType.EightConnected,
int shift = 0)
{
int width = (int)Math.Round(box.Size.Height * 0.5F);
int height = (int)Math.Round(box.Size.Width * 0.5F);
Size axesSize = new Size(width, height);
Point center = Point.Round(box.Center);
DrawEllipse(image, center, axesSize, box.Angle, 0.0D, 360.0D, color, thickness, lineType, shift);
}
public static PointF[] BoxPoints(RotatedRect box)
{
PointF[] pointsArray = new PointF[4];
using (DisposableHandle arrayHandle = DisposableHandle.Alloc(pointsArray))
{
using (Mat arrayMat = new Mat(4, 2, DepthType.Cv32F, 1, arrayHandle, 8))
{
using (OutputArray outArray = arrayMat.GetOutputArray())
{
cveBoxPoints(ref box, outArray);
}
}
}
return(pointsArray);
}
private static extern void cveBoxPoints(ref RotatedRect box, IntPtr arrayPtr);
