/// <summary>
/// Writes the specified PolyQuadraticBezierSegment to the content stream.
/// </summary>
internal void WriteSegment(PolyQuadraticBezierSegment seg)
{
if (!DevHelper.FlattenPolyQuadraticBezierSegment)
{
int count = seg.Points.Count;
PointStopCollection points = seg.Points;
Point pt0 = this.currentPoint;
for (int idx = 0; idx < count - 1;)
{
Point pt1 = points[idx++];
Point pt2 = points[idx++];
// Cannot believe it: I just guessed the formula and it works!
WriteLiteral("{0:0.####} {1:0.####} {2:0.####} {3:0.####} {4:0.####} {5:0.####} c\n",
pt1.X - (pt1.X - pt0.X) / 3, pt1.Y - (pt1.Y - pt0.Y) / 3,
pt1.X + (pt2.X - pt1.X) / 3, pt1.Y + (pt2.Y - pt1.Y) / 3,
pt2.X, pt2.Y);
this.currentPoint = pt0 = pt2;
}
}
else
{
PolyLineSegment lseg = WpfUtils.FlattenSegment(this.currentPoint, seg);
WriteSegment(lseg);
}
}
/// <summary>
/// Writes the specified PolyBezierSegment to the content stream.
/// </summary>
internal void WriteSegment(PolyBezierSegment seg)
{
int count = seg.Points.Count;
PointStopCollection points = seg.Points;
for (int idx = 0; idx < count - 2; idx += 3)
{
WriteLiteral("{0:0.###} {1:0.###} {2:0.###} {3:0.###} {4:0.###} {5:0.###} c\n",
points[idx].X, points[idx].Y, points[idx + 1].X, points[idx + 1].Y, points[idx + 2].X, points[idx + 2].Y);
this.currentPoint = points[idx + 2];
}
}
/// <summary>
/// Parses a series of points.
/// </summary>
internal static PointStopCollection ParsePoints(string value)
{
PointStopCollection points = new PointStopCollection();
TokenizerHelper tokenizer = new TokenizerHelper(value);
while (tokenizer.NextToken())
{
Point point = new Point(ParserHelper.ParseDouble(tokenizer.GetCurrentToken()), ParserHelper.ParseDouble(tokenizer.NextTokenRequired()));
points.Add(point);
}
return points;
}
