public VcGenStroke()
{
m_stroker = new MathStroke();
m_src_vertices = new vertex_sequence();
m_out_vertices = new point_d_vector();
m_status = status_e.initial;
}
public static void ShortenPath(vertex_sequence vs, double s, uint closed)
{
//typedef typename VertexSequence::value_type vertex_type;
if(s > 0.0 && vs.Size() > 1)
{
double d;
int n = (int)(vs.Size() - 2);
while(n != 0)
{
d = vs[n].dist;
if(d > s) break;
vs.RemoveLast();
s -= d;
--n;
}
if(vs.Size() < 2)
{
vs.RemoveAll();
}
else
{
n = (int)vs.Size() - 1;
VertexDistance prev = vs[n - 1];
VertexDistance last = vs[n];
d = (prev.dist - s) / prev.dist;
double x = prev.x + (last.x - prev.x) * d;
double y = prev.y + (last.y - prev.y) * d;
last.x = x;
last.y = y;
if (!prev.IsEqual(last)) vs.RemoveLast();
vs.close(closed != 0);
}
}
}
