public void TryDrawLink(System.Drawing.Point currentPoint, System.Drawing.Graphics graphics, PolygonsContainer data)
{
NullablePoint linkPoint = isNearVertex(currentPoint, data.GetAllPoints());
if (linkPoint != null)
{
graphics.DrawRectangle(new System.Drawing.Pen(POINT_LINK_COLOR, POINT_LINK_LINE_WIDTH),
linkPoint.X - POINT_LINK_RECT_WIDTH / 2,
linkPoint.Y - POINT_LINK_RECT_WIDTH / 2,
POINT_LINK_RECT_WIDTH, POINT_LINK_RECT_WIDTH);
}
}
public NullablePoint GetLinkPoint(System.Drawing.Point currentPoint, System.Drawing.Graphics graphics, PolygonsContainer data)
{
return isNearVertex(currentPoint, data.GetAllPoints());
}