bool IsSamAsLast(VectorSegment seg)
{
if (lastSegment == null)
{
return(false);
}
if (lastSegment is VectorMoveSegment && seg is VectorLineSegment)
{
return(true);
}
return(lastSegment.GetType().Equals(seg.GetType()));
}
void WriteSvgSegment(StringBuilder sb, VectorSegment seg, float ppmx, float ppmy)
{
int sx, sy, ex, ey;
Matrix mt = new Matrix();
mt.Translate(posx, posy);
mt.Rotate(angle);
PointF[] pts = new PointF[] { seg.Start, seg.End };
mt.TransformPoints(pts);
sx = (int)Math.Round(pts[0].X * ppmx);
sy = (int)Math.Round(pts[0].Y * ppmy);
ex = (int)Math.Round(pts[1].X * ppmx);
ey = (int)Math.Round(pts[1].Y * ppmy);
if (seg is VectorMoveSegment)
{
sb.Append(" M");
sb.AppendFormat("{0},{1}", ex, ey);
}
if (seg is VectorLineSegment)
{
if (!IsSamAsLast(seg))
{
sb.Append(" L");
}
else
{
sb.Append(" ");
}
sb.AppendFormat("{0},{1}", ex, ey);
}
if (seg is VectorCubicSegment)
{
if (!IsSamAsLast(seg))
{
sb.Append(" C");
}
else
{
sb.Append(" ");
}
VectorCubicSegment vc = (VectorCubicSegment)seg;
int c1x, c1y, c2x, c2y;
pts = new PointF[] { vc.Control1, vc.Control2 };
mt.TransformPoints(pts);
c1x = (int)Math.Round(pts[0].X * ppmx);
c1y = (int)Math.Round(pts[0].Y * ppmy);
c2x = (int)Math.Round(pts[1].X * ppmx);
c2y = (int)Math.Round(pts[1].Y * ppmy);
sb.AppendFormat("{0},{1} {2},{3} {4},{5}", c1x, c1y, c2x, c2y, ex, ey);
}
if (seg is VectorQuadraticSegment)
{
if (!IsSamAsLast(seg))
{
sb.Append(" Q");
}
else
{
sb.Append(" ");
}
VectorQuadraticSegment qc = (VectorQuadraticSegment)seg;
int cx, cy;
pts = new PointF[] { qc.Control };
cx = (int)Math.Round(pts[0].X * ppmx);
cy = (int)Math.Round(pts[0].Y * ppmy);
sb.AppendFormat("{0},{1} {2},{3}", cx, cy, ex, ey);
}
if (seg is VectorCloseSegment)
{
sb.Append(" Z");
}
lastSegment = seg;
}
void AddSegment(VectorSegment seg)
{
segments.Add(seg);
}