private bool SolidContains(PointF location)
{
//Get boundary
RectangleF bounds = TransformRectangle;
//If inside inflate boundary
if (bounds.Contains(location))
{
//Check the outline offset to the path (0,0)
location.X -= TransformRectangle.X;
location.Y -= TransformRectangle.Y;
//Can return in use error
try
{
if (TransformPath.IsVisible(location))
{
return(true);
}
}
catch
{
}
}
return(false);
}
private PointF GetIntercept(PointF location)
{
//Cache the location properties
float x = X;
float y = Y;
PointF center = Center;
//Create transform location moved to the path origin and check if inside path
PointF transform = new PointF(location.X - x, location.Y - y);
if (TransformPath.IsVisible(transform))
{
return(center);
}
//Get the bounding rectangle intercept and move it to the origin
//because all path measurements are from the origin
location = Geometry.RectangleIntersection(location, center, TransformRectangle);
location = new PointF(location.X - x, location.Y - y);
//Get the center of the shape offset to the path origin
center = new PointF(center.X - x, center.Y - y);
location = Geometry.GetPathIntercept(location, center, TransformPath, Component.Instance.DefaultPen, mTransformInternalRectangle);
location = Units.RoundPoint(location, 1);
return(new PointF(location.X + x, location.Y + y));
}
//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);
}