public static CornerRadiusExt AdjustRadius(CornerRadius r, Thickness th, double w, double h)
{
CornerRadiusExt radius = new CornerRadiusExt();
double lside = h - th.Top - th.Bottom;
if (lside < r.TopLeft + r.BottomLeft)
{
radius.TopLeftLeft = lside * r.TopLeft / (r.TopLeft + r.BottomLeft + double.Epsilon);
radius.BottomLeftLeft = lside * r.BottomLeft / (r.TopLeft + r.BottomLeft + double.Epsilon);
}
else
{
radius.TopLeftLeft = r.TopLeft;
radius.BottomLeftLeft = r.BottomLeft;
}
double rside = h - th.Top - th.Bottom;
if (rside < r.TopRight + r.BottomRight)
{
radius.TopRightRight = rside * r.TopRight / (r.TopRight + r.BottomRight + double.Epsilon);
radius.BottomRightRight = rside * r.BottomRight / (r.TopRight + r.BottomRight + double.Epsilon);
}
else
{
radius.TopRightRight = r.TopRight;
radius.BottomRightRight = r.BottomRight;
}
double tside = w - th.Left - th.Right;
if (tside < r.TopLeft + r.TopRight)
{
radius.TopLeftTop = tside * r.TopLeft / (r.TopLeft + r.TopRight + double.Epsilon);
radius.TopRightTop = tside * r.TopRight / (r.TopLeft + r.TopRight + double.Epsilon);
}
else
{
radius.TopLeftTop = r.TopLeft;
radius.TopRightTop = r.TopRight;
}
double bside = w - th.Left - th.Right;
if (bside < r.BottomRight + r.BottomLeft)
{
radius.BottomLeftBottom = bside * r.BottomLeft / (r.BottomLeft + r.BottomRight + double.Epsilon);
radius.BottomRightBottom = bside * r.BottomRight / (r.BottomLeft + r.BottomRight + double.Epsilon);
}
else
{
radius.BottomLeftBottom = r.BottomLeft;
radius.BottomRightBottom = r.BottomRight;
}
return(radius);
}
public override bool Equals(object obj)
{
CornerRadiusExt other = obj as CornerRadiusExt;
if (other == null)
{
return(false);
}
bool equals = TopLeftLeft == other.TopLeftLeft && TopLeftTop == other.TopLeftTop && TopRightTop == other.TopRightTop && TopRightRight == other.TopRightRight && BottomRightRight == other.BottomRightRight && BottomRightBottom == other.BottomRightBottom && BottomLeftBottom == other.BottomLeftBottom && BottomLeftLeft == other.BottomLeftLeft;
return(equals);
}
private static void DefineRectangle(StreamGeometryContext context, Thickness th, CornerRadiusExt r, double w, double h)
{
context.BeginFigure(new Point(th.Left, th.Top + r.TopLeftLeft), true, true);
context.QuadraticBezierTo(new Point(th.Left, th.Top), new Point(th.Left + r.TopLeftTop, th.Top), false, false);
context.LineTo(new Point(w - th.Right - r.TopRightTop, th.Top), false, false);
context.QuadraticBezierTo(new Point(w - th.Right, th.Top), new Point(w - th.Right, th.Top + r.TopRightRight), false, false);
context.LineTo(new Point(w - th.Right, h - th.Bottom - r.BottomRightRight), false, false);
context.QuadraticBezierTo(new Point(w - th.Right, h - th.Bottom), new Point(w - th.Right - r.BottomRightBottom, h - th.Bottom), false, false);
context.LineTo(new Point(th.Left + r.BottomLeftBottom, h - th.Bottom), false, false);
context.QuadraticBezierTo(new Point(th.Left, h - th.Bottom), new Point(th.Left, h - th.Bottom - r.BottomLeftLeft), false, false);
}
