public static BezierLayoutInfo Layout(Point pts, Point ptd, BezierControlPoint controlPoint1, BezierControlPoint controlPoint2)
{
var layout = new BezierLayoutInfo();
Point cp1, cp2;
if (pts == ptd)
{
cp1 = pts;
cp2 = ptd;
layout.Bounds = Rectangle.Empty;
layout.Region = null;
}
else
{
cp1 = GetControlPoint(pts, layout.CP1);
cp2 = GetControlPoint(ptd, layout.CP2);
//Point[] controlPoints = GetControlPoints(pts, ptd);
/*Shape sShape = Shape.GetShaper(From);
* pts = sShape.GetBorderPoint(From.Bounds, cp1);
*
* Shape dShape = Shape.GetShaper(Target);
* ptd = sShape.GetBorderPoint(Target.Bounds, cp2);
*
* GraphicsPath gp = new GraphicsPath();
* gp.AddBezier(pts, cp1, cp2, ptd);
* Pen penWiden = new Pen(Color.Black, LineWidth + 5);
* gp.Widen(penWiden);
*
* RectangleF rect = gp.GetBounds();
* rect.Inflate(LineWidth, LineWidth);
* layout.Bounds = rect;
* layout.Region = new Region(gp);*/
}
Point ptCenter = BezierHelper.GetPoint(pts, cp1, cp2, ptd, 0.5f);
Rectangle textBounds = layout.TextBounds;
textBounds.X = ptCenter.X - layout.TextBounds.Width / 2;
textBounds.Y = ptCenter.Y - layout.TextBounds.Height / 2;
// cache layout info
//layout.StartBounds = rect1;
//layout.EndBounds = rect2;
layout.StartPoint = pts;
layout.EndPoint = ptd;
layout.ControlPoint1 = cp1;
layout.ControlPoint2 = cp2;
layout.TextBounds = textBounds;
return(layout);
}
public static Point GetControlPoint(Point orgPoint, BezierControlPoint point)
{
return(GetControlPoint(orgPoint, point.Angle, point.Length));
}