1 /* These functions need the SWIG_* functions defined in the wrapper */
5 static inline bool OctSwigObject_Check(const octave_value& ov) {
6 return ov.type_id()==octave_swig_ref::static_type_id();
9 static CvArr * OctObject_to_CvArr(octave_value obj, bool * freearg);
10 static CvArr * OctSequence_to_CvArr( octave_value obj );
12 // convert a octave sequence/array/list object into a c-array
13 #define OctObject_AsArrayImpl(func, ctype, ptype) \
14 int func(octave_value obj, ctype * array, int len){ \
15 void * mat_vptr=NULL; \
16 void * im_vptr=NULL; \
17 if(OctNumber_Check(obj)){ \
18 memset( array, 0, sizeof(ctype)*len ); \
19 array[0] = OctObject_As##ptype( obj ); \
21 else if(OctList_Check(obj) || OctTuple_Check(obj)){ \
22 int seqsize = OctSequence_Size(obj); \
23 for(int i=0; i<len && i<seqsize; i++){ \
25 array[i] = OctObject_As##ptype( OctSequence_GetItem(obj, i) ); \
32 else if( SWIG_ConvertPtr(obj, &mat_vptr, SWIGTYPE_p_CvMat, 0)!=-1 || \
33 SWIG_ConvertPtr(obj, &im_vptr, SWIGTYPE_p__IplImage, 0)!=-1) \
35 CvMat * mat = (CvMat *) mat_vptr; \
37 if(im_vptr) mat = cvGetMat(im_vptr, &stub); \
38 if( mat->rows!=1 && mat->cols!=1 ){ \
39 error("OctObject_As*Array: CvArr must be row or column vector" ); \
42 if( mat->rows==1 && mat->cols==1 ){ \
44 if( len!=CV_MAT_CN(mat->type) ){ \
45 error("OctObject_As*Array: CvArr channels != length" ); \
48 val = cvGet1D(mat, 0); \
49 for(int i=0; i<len; i++){ \
50 array[i] = (ctype) val.val[i]; \
54 mat = cvReshape(mat, &stub, -1, mat->rows*mat->cols); \
55 if( mat->rows != len ){ \
56 error("OctObject_As*Array: CvArr rows or cols must equal length" ); \
59 for(int i=0; i<len; i++){ \
60 CvScalar val = cvGet1D(mat, i); \
61 array[i] = (ctype) val.val[0]; \
66 error("OctObject_As*Array: Expected a number, sequence or CvArr" ); \
72 OctObject_AsArrayImpl( OctObject_AsFloatArray, float, Double );
73 OctObject_AsArrayImpl( OctObject_AsDoubleArray, double, Double );
74 OctObject_AsArrayImpl( OctObject_AsLongArray, int, Long );
76 static CvPoint OctObject_to_CvPoint(octave_value obj){
79 CvPoint2D32f * ptr2D32f;
82 if( SWIG_ConvertPtr(obj, (void**)&ptr, SWIGTYPE_p_CvPoint, 0) != -1) {
85 if( SWIG_ConvertPtr(obj, (void**)&ptr2D32f, SWIGTYPE_p_CvPoint2D32f, 0) != -1) {
86 return cvPointFrom32f( *ptr2D32f );
88 if( SWIG_ConvertPtr(obj, (void**)&scalar, SWIGTYPE_p_CvScalar, 0) != -1) {
89 return cvPointFrom32f(cvPoint2D32f( scalar->val[0], scalar->val[1] ));
91 if(OctObject_AsLongArray(obj, (int *) &val, 2) != -1){
95 error("could not convert to CvPoint");
99 static CvPoint2D32f OctObject_to_CvPoint2D32f(octave_value obj){
101 CvPoint2D32f *ptr2D32f;
104 if( SWIG_ConvertPtr(obj, (void**)&ptr2D32f, SWIGTYPE_p_CvPoint2D32f, 0) != -1) {
107 if( SWIG_ConvertPtr(obj, (void**)&ptr, SWIGTYPE_p_CvPoint, 0) != -1) {
108 return cvPointTo32f(*ptr);
110 if( SWIG_ConvertPtr(obj, (void**)&scalar, SWIGTYPE_p_CvScalar, 0) != -1) {
111 return cvPoint2D32f( scalar->val[0], scalar->val[1] );
113 if(OctObject_AsFloatArray(obj, (float *) &val, 2) != -1){
116 error("could not convert to CvPoint2D32f");
117 return cvPoint2D32f(0,0);
120 static CvScalar OctObject_to_CvScalar(octave_value obj){
123 CvPoint2D32f *ptr2D32f;
126 if( SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvScalar, 0 ) != -1)
128 ptr = (CvScalar *) vptr;
131 if( SWIG_ConvertPtr(obj, (void**)&ptr2D32f, SWIGTYPE_p_CvPoint2D32f, 0) != -1) {
132 return cvScalar(ptr2D32f->x, ptr2D32f->y);
134 if( SWIG_ConvertPtr(obj, (void**)&pt_ptr, SWIGTYPE_p_CvPoint, 0) != -1) {
135 return cvScalar(pt_ptr->x, pt_ptr->y);
137 if(OctObject_AsDoubleArray(obj, val.val, 4)!=-1){
140 return cvScalar(-1,-1,-1,-1);
143 // if octave sequence type, convert to CvMat or CvMatND
144 static CvArr * OctObject_to_CvArr(octave_value obj, bool * freearg){
148 // check if OpenCV type
149 if ( OctSwigObject_Check(obj) ){
150 SWIG_ConvertPtr(obj, &cvarr, 0, SWIG_POINTER_EXCEPTION);
152 else if (OctList_Check(obj) || OctTuple_Check(obj)){
153 cvarr = OctSequence_to_CvArr( obj );
154 *freearg = (cvarr != NULL);
156 else if (OctLong_Check(obj) && OctLong_AsLong(obj)==0){
160 SWIG_ConvertPtr(obj, (void**)&cvarr, 0, SWIG_POINTER_EXCEPTION);
165 static int OctObject_GetElemType(octave_value obj){
167 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvPoint, 0) != -1) return CV_32SC2;
168 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvSize, 0) != -1) return CV_32SC2;
169 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvRect, 0) != -1) return CV_32SC4;
170 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvSize2D32f, 0) != -1) return CV_32FC2;
171 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvPoint2D32f, 0) != -1) return CV_32FC2;
172 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvPoint3D32f, 0) != -1) return CV_32FC3;
173 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvPoint2D64f, 0) != -1) return CV_64FC2;
174 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvPoint3D64f, 0) != -1) return CV_64FC3;
175 if(SWIG_ConvertPtr(obj, &vptr, SWIGTYPE_p_CvScalar, 0) != -1) return CV_64FC4;
176 if(OctTuple_Check(obj) || OctList_Check(obj)) return CV_MAKE_TYPE(CV_32F, OctSequence_Size( obj ));
177 if(OctLong_Check(obj)) return CV_32S;
181 // Would like this to convert Octave lists to CvMat
182 // Also lists of CvPoints, CvScalars, CvMats? etc
183 static CvArr * OctSequence_to_CvArr( octave_value obj ){
184 int dims[CV_MAX_DIM] = {1,1,1};
189 // figure out dimensions
191 (OctTuple_Check(item) || OctList_Check(item));
192 item = OctSequence_GetItem(item, 0))
194 dims[ndim] = OctSequence_Size( item );
199 error("Cannot convert an empty octave object to a CvArr");
203 cvtype = OctObject_GetElemType(item);
204 // collapse last dim into NCH if we found a single channel, but the last dim is <=3
205 if(CV_MAT_CN(cvtype)==1 && dims[ndim-1]>1 && dims[ndim-1]<4){
206 cvtype=CV_MAKE_TYPE(cvtype, dims[ndim-1]);
212 error("Could not determine OpenCV element type of Octave sequence");
218 CvMat *m = cvCreateMat(dims[0], dims[1], cvtype);
219 for(int i=0; i<dims[0]; i++){
220 octave_value rowobj = OctSequence_GetItem(obj, i);
223 assert((OctTuple_Check(rowobj) || OctList_Check(rowobj)) &&
224 OctSequence_Size(rowobj) == dims[1]);
226 for(int j=0; j<dims[1]; j++){
227 octave_value colobj = OctSequence_GetItem(rowobj, j);
228 cvSet2D( m, i, j, OctObject_to_CvScalar( colobj ) );
232 cvSet1D(m, i, OctObject_to_CvScalar( rowobj ) );
239 error("Cannot convert Octave Object to CvArr -- ndim > 3");