private void DrawPhiRectanglesOnGraphics(List<PointF> points, double x, double y, double wid, double hgt, RectOrientations orientation )
{
if ( ( wid < 1 ) || ( hgt < 1 ) )
return;
switch ( orientation ) {
case RectOrientations.RemoveLeft:
new RectangleF(
( float )x, ( float )y, ( float )( 2 * hgt ), ( float )( 2 * hgt ) );
break;
case RectOrientations.RemoveTop:
new RectangleF(
( float )( x - wid ), ( float )y, ( float )( 2 * wid ), ( float )( 2 * wid ) );
break;
case RectOrientations.RemoveRight:
new RectangleF(
( float )( x + wid - 2 * hgt ),
( float )( y - hgt ), ( float )( 2 * hgt ), ( float )( 2 * hgt ) );
break;
case RectOrientations.RemoveBottom:
new RectangleF( ( float )x, ( float )( y + hgt - 2 * wid ),
( float )( 2 * wid ), ( float )( 2 * wid ) );
break;
}
// Recursively draw the next rectangle.
switch ( orientation ) {
case RectOrientations.RemoveLeft:
points.Add( new PointF( ( float )x, ( float )( y + hgt ) ) );
x += hgt;
wid -= hgt;
orientation = RectOrientations.RemoveTop;
break;
case RectOrientations.RemoveTop:
points.Add( new PointF( ( float )x, ( float )y ) );
y += wid;
hgt -= wid;
orientation = RectOrientations.RemoveRight;
break;
case RectOrientations.RemoveRight:
points.Add( new PointF( ( float )( x + wid ), ( float )y ) );
wid -= hgt;
orientation = RectOrientations.RemoveBottom;
break;
case RectOrientations.RemoveBottom:
points.Add( new PointF( ( float )( x + wid ), ( float )( y + hgt ) ) );
hgt -= wid;
orientation = RectOrientations.RemoveLeft;
break;
}
DrawPhiRectanglesOnGraphics(points, x, y, wid, hgt, orientation );
}
