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//                For Open Source Computer Vision Library
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/* This file contains custom python shadow class code for certain troublesome functions */

%{
#include "cvshadow.h"
%}

// source %myshadow, %myrelease macros
%include "cvswigmacros.i"

%include "stl.i"

// %ignore, %rename must come before %include
%myshadow(cvCvtSeqToArray);
%myshadow(cvHaarDetectObjects);
%myshadow(cvSegmentMotion);
%myshadow(cvApproxPoly);
%myshadow(cvConvexHull2);
%newobject cvConvexHull2_Shadow; // shadowed functioned always returns new object

/* cvSnakeImage shadow uses a vector<CvPoint> and vector<float> */ 
%template(FloatVector)   std::vector<float>;
%template(CvPointVector) std::vector<CvPoint>;
%myshadow(cvSnakeImage);

// must come after %ignore, %rename
%include "cvshadow.h"

/* return a typed CvSeq instead of generic for CvSubdiv2D edges -- see cvseq.i */
%rename (untyped_edges) CvSubdiv2D::edges;
%ignore CvSubdiv2D::edges;
%rename (edges) CvSubdiv2D::typed_edges;

/* Python doesn't know what to do with these */
%rename (asIplImage) operator IplImage*;
%rename (asCvMat) operator CvMat*;
%ignore operator const IplImage*;
%ignore operator const CvMat*;

/* Define sequence type for functions returning sequences */
%define %cast_seq( cvfunc, type )
%rename (cvfunc##Untyped) cvfunc;
%pythoncode %{
def cvfunc(*args):
	seq = cvfunc##Untyped( *args )
	return type.cast(seq)
%}
%enddef

%cast_seq( cvHoughCircles, CvSeq_float_3 );
%cast_seq( cvPyrSegmentation, CvSeq_CvConnectedComp );
%cast_seq( cvApproxChains, CvSeq_CvPoint);
%cast_seq( cvContourFromContourTree, CvSeq_CvPoint );
%cast_seq( cvConvexityDefects, CvSeq_CvConvexityDefect );

/* Special cases ... */
%rename(cvFindContoursUntyped) cvFindContours;
%pythoncode %{
def cvFindContours( *args ):
	count, seq = cvFindContoursUntyped( *args )
	return count, CvSeq_CvPoint.cast(seq)
%}

/* cvHoughLines2 returns a different type of sequence depending on its args */
%rename (cvHoughLinesUntyped) cvHoughLines2;
%pythoncode %{
def cvHoughLines2( *args ):
	seq = cvHoughLinesUntyped( *args )
	type = CV_SEQ_ELTYPE(seq) 
	if type == CV_32SC4:
		return CvSeq_CvPoint_2.cast(seq)
	return CvSeq_float_2.cast(seq)
%}

// cvPointSeqFromMat
// cvSeqPartition
// cvSeqSlice
// cvTreeToNodeSeq

// Fix cvRelease* function to play nice w/ Python
// TODO some of these objects lack the delete method -- why???
%myrelease(cv, cvReleaseImage, CvMat);  // IplImage is CvMat in Python
%myrelease(cv, cvReleaseMat, CvMat);
%myrelease(cv, cvReleaseStructuringElement, IplConvKernel);
%myrelease(cv, cvReleaseConDensation, CvConDensation);
%myrelease(cv, cvReleaseKalman, CvKalman);
%myrelease(cv, cvReleaseHist, CvHistogram);
%myrelease(cv, cvReleaseHaarClassifierCascade, CvHaarClassifierCascade);
//%myrelease(cvReleasePOSITObject, CvPOSITObject);
%myrelease(cv, cvReleaseImageHeader, CvMat); // IplImage is CvMat
%myrelease(cv, cvReleaseMatND, CvMatND);
%myrelease(cv, cvReleaseSparseMat, CvSparseMat);
%myrelease(cv, cvReleaseMemStorage, CvMemStorage);
%myrelease(cv, cvReleaseGraphScanner, CvGraphScanner);
//%myrelease(cvReleaseFileStorage, CvFileStorage);

// TODO implement this
%ignore cvRelease;