public void join_path(VertexStorage vs, int path_id)
{
double x, y;
vs.rewind(path_id);
ShapePath.FlagsAndCommand PathAndFlags = vs.vertex(out x, out y);
if (!ShapePath.is_stop(PathAndFlags))
{
if (ShapePath.is_vertex(PathAndFlags))
{
double x0, y0;
ShapePath.FlagsAndCommand PathAndFlags0 = last_vertex(out x0, out y0);
if (ShapePath.is_vertex(PathAndFlags0))
{
if (agg_math.calc_distance(x, y, x0, y0) > agg_math.vertex_dist_epsilon)
{
if (ShapePath.is_move_to(PathAndFlags))
{
PathAndFlags = ShapePath.FlagsAndCommand.LineTo;
}
vertexDataManager.AddVertex(x, y, PathAndFlags);
}
}
else
{
if (ShapePath.is_stop(PathAndFlags0))
{
PathAndFlags = ShapePath.FlagsAndCommand.MoveTo;
}
else
{
if (ShapePath.is_move_to(PathAndFlags))
{
PathAndFlags = ShapePath.FlagsAndCommand.LineTo;
}
}
vertexDataManager.AddVertex(x, y, PathAndFlags);
}
}
while (!ShapePath.is_stop(PathAndFlags = vs.vertex(out x, out y)))
{
vertexDataManager.AddVertex(x, y, ShapePath.is_move_to(PathAndFlags) ?
ShapePath.FlagsAndCommand.LineTo :
PathAndFlags);
}
}
}
// Flip all vertices horizontally or vertically,
// between x1 and x2, or between y1 and y2 respectively
//--------------------------------------------------------------------
public void flip_x(double x1, double x2)
{
int i;
double x, y;
for (i = 0; i < vertices.total_vertices(); i++)
{
ShapePath.FlagsAndCommand PathAndFlags = vertices.vertex(i, out x, out y);
if (ShapePath.is_vertex(PathAndFlags))
{
vertices.modify_vertex(i, x2 - x + x1, y);
}
}
}
public ShapePath.FlagsAndCommand vertex(int index, out double x, out double y)
{
return(vertices.vertex(index, out x, out y));
}