public static BezierCurve FromEllipse(Point center, Size radius)
{
var pt1 = new Point(0, radius.Height); // top
var pt2 = new Point(radius.Width, 0); // right
var pt3 = new Point(0, -radius.Height); // bottom
var pt4 = new Point(-radius.Width, 0); // left
double dx = radius.Width * 4.0 * (System.Math.Sqrt(2) - 1) / 3;
double dy = radius.Height * 4.0 * (System.Math.Sqrt(2) - 1) / 3;
var curve_control_points = new []
{
pt1,
pt1.Add(dx, 0),
pt2.Add(0, dy),
pt2,
pt2.Add(0, -dy),
pt3.Add(dx, 0),
pt3,
pt3.Add(-dx, 0),
pt4.Add(0, -dy),
pt4,
pt4.Add(0, dy),
pt1.Add(-dx, 0),
pt1
}
.Select(p => p + center).ToArray();
var curve_Degree = 3;
var curve = new BezierCurve(curve_control_points, curve_Degree);
return curve;
}
public VisioAutomation.Drawing.Rectangle GetRectangle()
{
var pin = new VisioAutomation.Drawing.Point(this.PinX, this.PinY);
var locpin = new VisioAutomation.Drawing.Point(this.LocPinX, this.LocPinY);
var size = new VisioAutomation.Drawing.Size(this.Width, this.Height);
return(new VisioAutomation.Drawing.Rectangle(pin - locpin, size));
}
public static void AreEqual(double width, double height, VADRAW.Size actual_size, double delta)
{
Assert.AreEqual(width, actual_size.Width, delta);
Assert.AreEqual(height, actual_size.Height, delta);
}
public Point Subtract(Size s)
{
var new_point = new Point(this.X - s.Width, this.Y - s.Height);
return new_point;
}
public Point Add(Size s)
{
var new_point = new Point(this.X + s.Width, this.Y + s.Height);
return new_point;
}
public Point Multiply(Size s)
{
var new_point = new Point(this.X*s.Width, this.Y*s.Height);
return new_point;
}
public Rectangle Subtract(Size s)
{
var r2 = new Rectangle(Left - s.Width, Bottom - s.Height, Right - s.Width, Top - s.Height);
return r2;
}
public Rectangle Add(Size s)
{
var r2 = new Rectangle(Left + s.Width, Bottom + s.Height, Right + s.Width, Top + s.Height);
return r2;
}
public Size Add(Size size)
{
return new Size(Width + size.Width, Height + size.Height);
}
public static void AreEqual(double x, double y, VADRAW.Size p, double delta)
{
Assert.AreEqual(x, p.Width, delta);
Assert.AreEqual(y, p.Height, delta);
}
