public override void OnMouseMove(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left || !this.IsSelected || isDrawn)
{
return;
}
var ptSecond = Element.ToImageCoordinate(e.Location).ToPt().Round();
roi = new RectangleF
{
X = System.Math.Min(ptFirst.X, ptSecond.X),
Y = System.Math.Min(ptFirst.Y, ptSecond.Y),
Width = System.Math.Abs(ptFirst.X - ptSecond.X),
Height = System.Math.Abs(ptFirst.Y - ptSecond.Y)
};
roi.Width = Math.Max(MIN_RECT_SIZE, roi.Width);
roi.Height = Math.Max(MIN_RECT_SIZE, roi.Height);
roi.Height = 1.2f * roi.Width; //fix width-height ratio
var imageSize = Element.Image.Size.ToSize();
this.Annotation.Polygon = roi.Vertices().Select(x => x.Clamp(imageSize)).ToArray();
}
public override void OnMouseUp(object sender, MouseEventArgs e)
{
if (Element.Image == null || !this.IsSelected || isDrawn)
{
return;
}
var vertices = roi.Vertices();
this.Annotation.Polygon = vertices;
isDrawn = true;
}
