public static void QuadToCubic(IPathRender output, PointF cur, PointF c1, PointF pt)
{
float xctrl1 = c1.X + (cur.X - c1.X) / 3f;
float yctrl1 = c1.Y + (cur.Y - c1.Y) / 3f;
float xctrl2 = c1.X + (pt.X - c1.X) / 3f;
float yctrl2 = c1.Y + (pt.Y - c1.Y) / 3f;
output.Cubic(cur, new PointF(xctrl1, yctrl1), new PointF(xctrl2, yctrl2), pt);
}
static void Cubic(IPathRender output, PathRenderFeatures features, PointF cur, PointF c1, PointF c2,
PointF pt, float resolution)
{
if ((features & PathRenderFeatures.Cubic) != 0)
{
output.Cubic(cur, c1, c2, pt);
return;
}
if ((features & PathRenderFeatures.Quad) != 0)
{
CubicToQuad(output, cur, c1, c2, pt, resolution);
}
else
{
CubicToLine(output, cur, c1, c2, pt, 0.025);
}
}