//Опередление положениее перемещаемой границы прямоугольника
HitType BorderCheck(Shape shape, Point currentMousePosition)
{
Point[] corners = GetCornersPosition(shape);
Point LeftTop = corners[0];
Point LeftBottom = corners[1];
Point RightTop = corners[2];
Point RightBottom = corners[3];
double GAP = thickness * 2;
//Определяем границу, местоположение мыши на границе
if (GraphicElements.CheckIntersection(LeftTop, LeftBottom, currentMousePosition, GAP, true))
{
// Left edge.
if (GraphicElements.CheckIntersection(LeftTop, RightTop, currentMousePosition, GAP, true))
{
return(HitType.UpperLeft);
}
if (GraphicElements.CheckIntersection(LeftBottom, RightBottom, currentMousePosition, GAP, true))
{
return(HitType.LowerLeft);
}
return(HitType.Left);
}
if (GraphicElements.CheckIntersection(RightTop, RightBottom, currentMousePosition, GAP, true))
{
// Right edge.
if (GraphicElements.CheckIntersection(LeftTop, RightTop, currentMousePosition, GAP, true))
{
return(HitType.UpperRight);
}
if (GraphicElements.CheckIntersection(LeftBottom, RightBottom, currentMousePosition, GAP, true))
{
return(HitType.LowerRight);
}
return(HitType.Right);
}
if (GraphicElements.CheckIntersection(LeftTop, RightTop, currentMousePosition, GAP, true))
{
return(HitType.Top);
}
if (GraphicElements.CheckIntersection(LeftBottom, RightBottom, currentMousePosition, GAP, true))
{
return(HitType.Bottom);
}
return(HitType.Body);
}
