public void TestSelectionPoint()
{
RectangleF box = GetViewSelBox();
hitCorner = SelectionHitCorner.None;
if (VectorMath.PointInsideBox(viewCursorPos, GetHitBox(SelectionHitCorner.TopLeft)))
{
hitCorner = SelectionHitCorner.TopLeft;
}
if (VectorMath.PointInsideBox(viewCursorPos, GetHitBox(SelectionHitCorner.TopRight)))
{
hitCorner = SelectionHitCorner.TopRight;
}
if (VectorMath.PointInsideBox(viewCursorPos, GetHitBox(SelectionHitCorner.BottomRight)))
{
hitCorner = SelectionHitCorner.BottomRight;
}
if (VectorMath.PointInsideBox(viewCursorPos, GetHitBox(SelectionHitCorner.BottomLeft)))
{
hitCorner = SelectionHitCorner.BottomLeft;
}
cursorInsideSelection = false;
if (VectorMath.PointInsideBox(viewCursorPos, box))
{
cursorInsideSelection = true;
}
}
RectangleF GetHitBox(SelectionHitCorner corner)
{
RectangleF hit = RectangleF.Empty;
if (selection.Count > 0)
{
RectangleF r = GetViewSelBox();
float halfSize = hitCornerSize / 2;
switch (corner)
{
case SelectionHitCorner.TopLeft:
hit.X = r.X - hitCornerMargin - halfSize;
hit.Y = r.Y - hitCornerMargin - halfSize;
break;
case SelectionHitCorner.TopRight:
hit.X = r.Right + hitCornerMargin - halfSize;
hit.Y = r.Y - hitCornerMargin - halfSize;
break;
case SelectionHitCorner.BottomRight:
hit.X = r.Right + hitCornerMargin - halfSize;
hit.Y = r.Bottom + hitCornerMargin - halfSize;
break;
case SelectionHitCorner.BottomLeft:
hit.X = r.X - hitCornerMargin - halfSize;
hit.Y = r.Bottom + hitCornerMargin - halfSize;
break;
}
hit.Width = hitCornerSize;
hit.Height = hitCornerSize;
}
return(hit);
}