private Rectangle KernelBounds(Rectangle intersectRect, Rectangle searchRect, bool randomise)
{
// First find the intersection between the tile and the background drawn bounds.
//Rectangle intersectRect = backgroundRect;
Size size = GetKernelSize(intersectRect, searchRect);
Rectangle rect = new Rectangle(new Point(), size);
return rect.RectanglePositionAroundCentre(searchRect.Centre());
}
