public void TestBoundingBoxBezierRectangle()
{
var curve = new BezierTestData {
Matrix = new Matrix {
OffsetX = 50, OffsetY = offsetY
}
}
.RoundedRectBezier;
ReportPainter.PushPaint(c => {
c.SetLineWidth(1);
var bb = BezierExtensions.BezierBoundingBox(curve);
c.SetColor(Colors.SpringGreen);
c.Rectangle(bb);
c.Stroke();
c.SetColor(Colors.Blue);
c.SetLineWidth(2);
ContextPainterExtensions.DrawBezier(c, curve);
c.Stroke();
});
WritePainter();
offsetY += 200;
}
public void TestBezierRectJitterAndOffset()
{
var jitter = 5d;
var rect = new Rectangle(0, 0, 400, 100);
Action prove = () => {
var shape = new BezierRectangleShape(rect)
{
Jitter = jitter
};
var bb = BezierExtensions.BezierBoundingBox(shape.BezierPoints);
var offset = bb.Size - rect.Size;
ReportDetail("{0} {1} W={2:0.####} H={3}", rect, jitter, offset.Width, offset.Height);
};
ReportDetail("************* same jitter, rect growing");
for (int i = 100; i < 10000; i += 100)
{
rect = new Rectangle(0, 0, i * 3, i);
prove();
}
ReportDetail("************* same rect, jitter growing");
rect = new Rectangle(0, 0, 400, 100);
for (int i = 1; i < rect.Size.Height; i += 5)
{
jitter = i;
prove();
}
}
private IList <Point> BezierHull0(IList <Point> bezier)
{
var cps = BezierExtensions.ControlPoints(bezier);
var hull = PolyAlgoPrototyper.AndrewsMonotonChainHullSSF(cps, false);
if (hull[0] != bezier[0])
{
var extend = new Point[hull.Length + 2];
Array.Copy(hull, 0, extend, 1, hull.Length);
extend[0] = bezier[0];
extend[extend.Length - 1] = bezier[bezier.Count - 1];
hull = extend;
}
return(hull);
}
private void PaintSegments(IList <Point> curve)
{
var segments = BezierExtensions.BezierSegments(curve);
var cols = new Color[] {
Colors.Blue,
Colors.Red,
Colors.BlueViolet,
Colors.OrangeRed,
Colors.AliceBlue,
Colors.Orange,
Colors.Aquamarine,
Colors.DodgerBlue
};
ReportPainter.PushPaint(c => {
var iCol = 0;
foreach (var seg in segments)
{
c.SetLineWidth(1);
var bb = BezierExtensions.BezierBoundingBox(seg.Start, seg.Cp1, seg.Cp2, seg.End);
c.SetColor(Colors.SpringGreen);
c.Rectangle(bb);
c.Stroke();
c.SetColor(cols[iCol++]);
c.SetLineWidth(2);
ContextPainterExtensions.DrawBezier(c, seg);
c.Stroke();
var med = BezierExtensions.BezierPoint(seg.Start, seg.Cp1, seg.Cp2, seg.End, .5);
c.SetColor(Colors.DarkGray);
c.Arc(med.X, med.Y, 5, 0, 360);
c.Stroke();
}
});
WritePainter();
}
public void TestBezierHull(IList <Point> bezier)
{
base.ReportPainter.PushPaint(c => {
c.SetColor(Colors.Blue);
c.SetLineWidth(2);
ContextPainterExtensions.DrawBezier(c, bezier);
c.Stroke();
});
var cps = BezierExtensions.ControlPoints(bezier);
base.ReportPainter.PushPaint(c => {
c.SetColor(Colors.Red);
c.SetLineWidth(1);
foreach (var p in cps)
{
c.Arc(p.X, p.Y, 5, 0, 360);
c.Stroke();
}
;
});
var hull = BezierExtensions.BezierHull(bezier);
base.ReportPainter.PushPaint(c => {
c.SetColor(Colors.Green);
c.SetLineWidth(1);
foreach (var p in hull)
{
c.Arc(p.X, p.Y, 3, 0, 360);
c.Fill();
}
ContextPainterExtensions.DrawPoligon(c, hull);
c.Stroke();
});
WritePainter();
}