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// 2006-08-02  Roman Stanchak <rstancha@cse.wustl.edu>

%include "pycvseq.hpp"
%template (CvTuple_CvPoint_2) CvTuple<CvPoint,2>;
%template (CvTuple_float_2) CvTuple<float,2>;
%template (CvTuple_float_3) CvTuple<float,3>;

%template (CvSeq_CvPoint) CvTypedSeq<CvPoint>;
%template (CvSeq_CvPoint2D32f) CvTypedSeq<CvPoint2D32f>;
%template (CvSeq_CvRect) CvTypedSeq<CvRect>;
%template (CvSeq_CvSeq) CvTypedSeq<CvSeq *>;
%template (CvSeq_CvQuadEdge2D) CvTypedSeq<CvQuadEdge2D>;
%template (CvSeq_CvConnectedComp) CvTypedSeq<CvConnectedComp>;
%template (CvSeq_CvPoint_2) CvTypedSeq< CvTuple<CvPoint,2> >;
%template (CvSeq_float_2) CvTypedSeq< CvTuple<float,2> >;
%template (CvSeq_float_3) CvTypedSeq< CvTuple<float,3> >;

%extend CvSeq {
	%pythoncode %{
	def __iter__(self):
		"""
		generator function iterating elements in the sequence
		"""
		for i in range(self.total):
			yield self[i]

	def vrange(self):
		"""
		generator function iterating along v_next
		"""
		s = self
		t = type(self)
		while s:
			yield s
			s = t.cast(s.v_next)

	def hrange(self):
		"""
		generator function iterating along h_next
		"""
		s = self
		t = type(self)
		while s:
			yield s
			s = t.cast(s.h_next)
	%}
}

// accessor to turn edges into a typed sequence
%extend CvSubdiv2D {
	CvTypedSeq<CvQuadEdge2D> * typed_edges;
	CvTypedSeq<CvQuadEdge2D> * typed_edges_get(){
		return (CvTypedSeq<CvQuadEdge2D> *) self->edges;
	}
	void typed_edges_set( CvTypedSeq<CvQuadEdge2D> * ){
	}
	%pythoncode %{
	def __iter__(self):
		s = CvSeq_QuadEdge2D.cast(self)
		for i in range(s.total):
			yield s[i]
	%}
}