public override void AddToPath(System.Drawing.Drawing2D.GraphicsPath path, EPoint ptStart, float scale)
{
System.Collections.ArrayList pts = this.GeneratePoints(ptStart);
path.AddBezier(
((EPointF)pts[0]).X*scale, ((EPointF)pts[0]).Y*scale,
((EPointF)pts[1]).X*scale, ((EPointF)pts[1]).Y*scale,
((EPointF)pts[2]).X*scale, ((EPointF)pts[2]).Y*scale,
((EPointF)pts[3]).X*scale, ((EPointF)pts[3]).Y*scale);
}
private static void AddSegmentToPath(ICurve seg, ref System.Drawing.Drawing2D.GraphicsPath p)
{
const float radiansToDegrees = (float)(180.0 / Math.PI);
LineSegment line = seg as LineSegment;
if (line != null)
p.AddLine(PointF(line.Start), PointF(line.End));
else {
CubicBezierSegment cb = seg as CubicBezierSegment;
if (cb != null)
p.AddBezier(PointF(cb.B(0)), PointF(cb.B(1)), PointF(cb.B(2)), PointF(cb.B(3)));
else {
Ellipse ellipse = seg as Ellipse;
if (ellipse != null)
p.AddArc((float)(ellipse.Center.X - ellipse.AxisA.Length), (float)(ellipse.Center.Y - ellipse.AxisB.Length),
(float)(2 * ellipse.AxisA.Length), (float)(2 * ellipse.AxisB.Length), (float)(ellipse.ParStart * radiansToDegrees),
(float)((ellipse.ParEnd - ellipse.ParStart) * radiansToDegrees));
}
}
}
public override void AddToPath(System.Drawing.Drawing2D.GraphicsPath graphicsPath)
{
graphicsPath.AddBezier(this.Start, this.FirstControlPoint, this.SecondControlPoint, this.End);
}
public static void PolyDraw(
System.Drawing.Drawing2D.GraphicsPath pPath,
POINT[] lppt,
byte[] lpbTypes,
int cCount)
{
int nIndex;
POINT pptLastMoveTo = new POINT();
POINT pptPrev = new POINT();
bool bLastMoveToNull = true;
// for each of the points we have...
for (nIndex = 0; nIndex < cCount; nIndex++)
{
switch (lpbTypes[nIndex])
{
case PT_MOVETO:
if (bLastMoveToNull == false && nIndex > 0)
{
pPath.CloseFigure();
}
pptLastMoveTo = lppt[nIndex];
bLastMoveToNull = false;
pptPrev = lppt[nIndex];
break;
case PT_LINETO | PT_CLOSEFIGURE:
pPath.AddLine(pptPrev.X, pptPrev.Y, lppt[nIndex].X, lppt[nIndex].Y);
pptPrev = lppt[nIndex];
if (bLastMoveToNull == false)
{
pPath.CloseFigure();
pptPrev = pptLastMoveTo;
}
bLastMoveToNull = true;
break;
case PT_LINETO:
pPath.AddLine(pptPrev.X, pptPrev.Y, lppt[nIndex].X, lppt[nIndex].Y);
pptPrev = lppt[nIndex];
break;
case PT_BEZIERTO | PT_CLOSEFIGURE:
//ASSERT(nIndex + 2 <= cCount);
pPath.AddBezier(
pptPrev.X, pptPrev.Y,
lppt[nIndex].X, lppt[nIndex].Y,
lppt[nIndex + 1].X, lppt[nIndex + 1].Y,
lppt[nIndex + 2].X, lppt[nIndex + 2].Y);
nIndex += 2;
pptPrev = lppt[nIndex];
if (bLastMoveToNull == false)
{
pPath.CloseFigure();
pptPrev = pptLastMoveTo;
}
bLastMoveToNull = true;
break;
case PT_BEZIERTO:
//ASSERT(nIndex + 2 <= cCount);
pPath.AddBezier(
pptPrev.X, pptPrev.Y,
lppt[nIndex].X, lppt[nIndex].Y,
lppt[nIndex + 1].X, lppt[nIndex + 1].Y,
lppt[nIndex + 2].X, lppt[nIndex + 2].Y);
nIndex += 2;
pptPrev = lppt[nIndex];
break;
}
}
// If the figure was never closed and should be,
// close it now.
if (bLastMoveToNull == false && nIndex > 1)
{
pPath.AddLine(pptPrev.X, pptPrev.Y, pptLastMoveTo.X, pptLastMoveTo.Y);
//pPath->CloseFigure();
}
}
