//Performs hit testing for an element from a location
//if a valid diagram provided, hit testing is performed using current transform
private bool ShapeContains(PointF location)
{
//Inflate rectangle to include selection handles
RectangleF bound = TransformRectangle;
//Inflate rectangle to include grab handles
IRender render = RenderFromContainer();
float handle = 6 * render.ZoomFactor;
bound.Inflate(handle, handle);
//If inside inflate boundary
if (bound.Contains(location))
{
//Return true if clicked in selection rectangle but not path rectangle
if (Selected && !TransformRectangle.Contains(location))
{
return(true);
}
//Check the outline offset to the path (0,0)
location.X -= Rectangle.X;
location.Y -= Rectangle.Y;
if (DrawBackground)
{
if (TransformPath.IsVisible(location))
{
return(true);
}
}
else
{
//Get bounding rect
float width = BorderWidth + 2;
if (TransformPath.IsOutlineVisible(location, new Pen(Color.Black, width)))
{
return(true);
}
}
}
return(false);
}
//Takes the port and validates its location against the shape's path
public bool ValidatePortLocation(Port port, PointF location)
{
//Check for switch changes
if (!port.AllowRotate)
{
PortOrientation orientation = Geometry.GetOrientation(location, Center, Bounds);
if (port.Orientation != orientation)
{
return(false);
}
}
//Offset location to local co-ordinates and check outline
location.X -= Bounds.X;
location.Y -= Bounds.Y;
return(TransformPath.IsOutlineVisible(location, new Pen(Color.Black, 5)));
}