5 #include <opencv/cxcore.h>
7 #include <opencv/cvaux.h>
8 #include <opencv/cvwimage.h>
9 #include <opencv/highgui.h>
11 #define MODULESTR "cv"
13 static PyObject *opencv_error;
36 struct cvhistogram_t {
42 struct cvmemstorage_t {
50 PyObject *container; // Containing cvmemstorage_t
56 PyObject *container; // Containing cvmemstorage_t
63 PyObject *container; // Containing cvmemstorage_t
66 struct cvsubdiv2dpoint_t {
69 PyObject *container; // Containing cvmemstorage_t
72 struct cvsubdiv2dedge_t {
75 PyObject *container; // Containing cvmemstorage_t
78 struct cvlineiterator_t {
85 struct iplconvkernel_t {
95 struct cvvideowriter_t {
100 typedef IplImage ROIplImage;
112 struct cvhaarclassifiercascade_t {
114 CvHaarClassifierCascade *a;
117 struct cvcontourtree_t {
122 struct cvpositobject_t {
132 static int is_iplimage(PyObject *o);
133 static int is_cvmat(PyObject *o);
134 static int is_cvmatnd(PyObject *o);
135 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name = "no_name");
136 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name = "no_name");
137 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name = "no_name");
138 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name = "no_name");
139 static PyObject *what_data(PyObject *o);
141 static void translate_error_to_exception(void)
143 PyErr_SetString(opencv_error, cvErrorStr(cvGetErrStatus()));
147 #define ERRCHK do { if (cvGetErrStatus() != 0) { translate_error_to_exception(); return NULL; } } while (0)
154 catch (const cv::Exception &e) \
156 PyErr_SetString(opencv_error, e.err.c_str()); \
162 /************************************************************************/
164 static int failmsg(const char *fmt, ...)
170 vsnprintf(str, sizeof(str), fmt, ap);
173 PyErr_SetString(PyExc_TypeError, str);
177 /************************************************************************/
179 /* These get/setters are polymorphic, used in both iplimage and cvmat */
181 static PyObject *PyObject_FromCvScalar(CvScalar s, int type)
183 int i, spe = CV_MAT_CN(type);
186 r = PyTuple_New(spe);
187 for (i = 0; i < spe; i++)
188 PyTuple_SET_ITEM(r, i, PyFloat_FromDouble(s.val[i]));
190 r = PyFloat_FromDouble(s.val[0]);
195 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key);
196 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v);
198 // o is a Python string or buffer object. Return its size.
200 static Py_ssize_t what_size(PyObject *o)
203 Py_ssize_t buffer_len;
205 if (PyString_Check(o)) {
206 return PyString_Size(o);
207 } else if (PyObject_AsWriteBuffer(o, &buffer, &buffer_len) == 0) {
210 assert(0); // argument must be string or buffer.
216 /************************************************************************/
220 static void iplimage_dealloc(PyObject *self)
222 iplimage_t *pc = (iplimage_t*)self;
223 cvReleaseImageHeader((IplImage**)&pc->a);
228 static PyObject *iplimage_repr(PyObject *self)
230 iplimage_t *cva = (iplimage_t*)self;
231 IplImage* ipl = (IplImage*)(cva->a);
233 sprintf(str, "<iplimage(");
234 char *d = str + strlen(str);
235 sprintf(d, "nChannels=%d ", ipl->nChannels);
237 sprintf(d, "width=%d ", ipl->width);
239 sprintf(d, "height=%d ", ipl->height);
241 sprintf(d, "widthStep=%d ", ipl->widthStep);
244 return PyString_FromString(str);
247 static PyObject *iplimage_tostring(PyObject *self, PyObject *args)
249 iplimage_t *pc = (iplimage_t*)self;
251 if (!convert_to_IplImage(self, &i, "self"))
273 return (PyObject*)failmsg("Unrecognised depth %d", i->depth);
275 int bpl = i->width * i->nChannels * bps;
276 if (bpl == i->widthStep && pc->offset == 0 && ((bpl * i->height) == what_size(pc->data))) {
280 int l = bpl * i->height;
281 char *s = new char[l];
283 for (y = 0; y < i->height; y++) {
284 memcpy(s + y * bpl, i->imageData + y * i->widthStep, bpl);
286 PyObject *r = PyString_FromStringAndSize(s, l);
292 static struct PyMethodDef iplimage_methods[] =
294 {"tostring", iplimage_tostring, METH_VARARGS},
298 static PyObject *iplimage_getnChannels(iplimage_t *cva)
300 return PyInt_FromLong(((IplImage*)(cva->a))->nChannels);
302 static PyObject *iplimage_getwidth(iplimage_t *cva)
304 return PyInt_FromLong(((IplImage*)(cva->a))->width);
306 static PyObject *iplimage_getheight(iplimage_t *cva)
308 return PyInt_FromLong(((IplImage*)(cva->a))->height);
310 static PyObject *iplimage_getdepth(iplimage_t *cva)
312 return PyLong_FromUnsignedLong((unsigned)((IplImage*)(cva->a))->depth);
314 static PyObject *iplimage_getorigin(iplimage_t *cva)
316 return PyInt_FromLong(((IplImage*)(cva->a))->origin);
318 static void iplimage_setorigin(iplimage_t *cva, PyObject *v)
320 ((IplImage*)(cva->a))->origin = PyInt_AsLong(v);
323 static PyGetSetDef iplimage_getseters[] = {
324 {(char*)"nChannels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
325 {(char*)"width", (getter)iplimage_getwidth, (setter)NULL, (char*)"width", NULL},
326 {(char*)"height", (getter)iplimage_getheight, (setter)NULL, (char*)"height", NULL},
327 {(char*)"depth", (getter)iplimage_getdepth, (setter)NULL, (char*)"depth", NULL},
328 {(char*)"origin", (getter)iplimage_getorigin, (setter)iplimage_setorigin, (char*)"origin", NULL},
329 {NULL} /* Sentinel */
332 static PyMappingMethods iplimage_as_map = {
338 static PyTypeObject iplimage_Type = {
339 PyObject_HEAD_INIT(&PyType_Type)
341 MODULESTR".iplimage", /*name*/
342 sizeof(iplimage_t), /*basicsize*/
345 static void iplimage_specials(void)
347 iplimage_Type.tp_dealloc = iplimage_dealloc;
348 iplimage_Type.tp_as_mapping = &iplimage_as_map;
349 iplimage_Type.tp_repr = iplimage_repr;
350 iplimage_Type.tp_methods = iplimage_methods;
351 iplimage_Type.tp_getset = iplimage_getseters;
354 static int is_iplimage(PyObject *o)
356 return PyType_IsSubtype(o->ob_type, &iplimage_Type);
359 /************************************************************************/
363 static void cvmat_dealloc(PyObject *self)
365 cvmat_t *pc = (cvmat_t*)self;
371 static PyObject *cvmat_repr(PyObject *self)
373 CvMat *m = ((cvmat_t*)self)->a;
375 sprintf(str, "<cvmat(");
376 char *d = str + strlen(str);
377 sprintf(d, "type=%08x ", m->type);
379 sprintf(d, "rows=%d ", m->rows);
381 sprintf(d, "cols=%d ", m->cols);
383 sprintf(d, "step=%d ", m->step);
386 return PyString_FromString(str);
389 static PyObject *cvmat_tostring(PyObject *self, PyObject *args)
392 if (!convert_to_CvMat(self, &m, "self"))
395 int bps; // bytes per sample
397 switch (CV_MAT_DEPTH(m->type)) {
400 bps = CV_MAT_CN(m->type) * 1;
404 bps = CV_MAT_CN(m->type) * 2;
408 bps = CV_MAT_CN(m->type) * 4;
411 bps = CV_MAT_CN(m->type) * 8;
414 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
417 int bpl = m->cols * bps; // bytes per line
418 cvmat_t *pc = (cvmat_t*)self;
419 if (bpl == m->step && pc->offset == 0 && ((bpl * m->rows) == what_size(pc->data))) {
423 int l = bpl * m->rows;
424 char *s = new char[l];
426 for (y = 0; y < m->rows; y++) {
427 memcpy(s + y * bpl, m->data.ptr + y * m->step, bpl);
429 PyObject *r = PyString_FromStringAndSize(s, l);
435 static struct PyMethodDef cvmat_methods[] =
437 {"tostring", cvmat_tostring, METH_VARARGS},
441 static PyObject *cvmat_gettype(cvmat_t *cva)
443 return PyInt_FromLong(cvGetElemType(cva->a));
446 static PyObject *cvmat_getstep(cvmat_t *cva)
448 return PyInt_FromLong(cva->a->step);
451 static PyObject *cvmat_getrows(cvmat_t *cva)
453 return PyInt_FromLong(cva->a->rows);
456 static PyObject *cvmat_getcols(cvmat_t *cva)
458 return PyInt_FromLong(cva->a->cols);
461 static PyGetSetDef cvmat_getseters[] = {
462 {(char*)"type", (getter)cvmat_gettype, (setter)NULL, (char*)"type", NULL},
463 {(char*)"step", (getter)cvmat_getstep, (setter)NULL, (char*)"step", NULL},
464 {(char*)"rows", (getter)cvmat_getrows, (setter)NULL, (char*)"rows", NULL},
465 {(char*)"cols", (getter)cvmat_getcols, (setter)NULL, (char*)"cols", NULL},
466 {(char*)"width", (getter)cvmat_getcols, (setter)NULL, (char*)"width", NULL},
467 {(char*)"height", (getter)cvmat_getrows, (setter)NULL, (char*)"height", NULL},
468 {NULL} /* Sentinel */
471 static PyMappingMethods cvmat_as_map = {
477 static PyTypeObject cvmat_Type = {
478 PyObject_HEAD_INIT(&PyType_Type)
480 MODULESTR".cvmat", /*name*/
481 sizeof(cvmat_t), /*basicsize*/
484 static void cvmat_specials(void)
486 cvmat_Type.tp_dealloc = cvmat_dealloc;
487 cvmat_Type.tp_as_mapping = &cvmat_as_map;
488 cvmat_Type.tp_repr = cvmat_repr;
489 cvmat_Type.tp_methods = cvmat_methods;
490 cvmat_Type.tp_getset = cvmat_getseters;
493 static int is_cvmat(PyObject *o)
495 return PyType_IsSubtype(o->ob_type, &cvmat_Type);
498 /************************************************************************/
502 static void cvmatnd_dealloc(PyObject *self)
504 cvmatnd_t *pc = (cvmatnd_t*)self;
510 static PyObject *cvmatnd_repr(PyObject *self)
512 CvMatND *m = ((cvmatnd_t*)self)->a;
514 sprintf(str, "<cvmatnd(");
515 char *d = str + strlen(str);
516 sprintf(d, "type=%08x ", m->type);
519 return PyString_FromString(str);
522 static PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
525 if (!convert_to_CvMatND(self, &m, "self"))
529 switch (CV_MAT_DEPTH(m->type)) {
532 bps = CV_MAT_CN(m->type) * 1;
536 bps = CV_MAT_CN(m->type) * 2;
540 bps = CV_MAT_CN(m->type) * 4;
543 bps = CV_MAT_CN(m->type) * 8;
546 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
550 for (int d = 0; d < m->dims; d++) {
555 for (d = 0; d < m->dims; d++) {
558 int rowsize = m->dim[m->dims-1].size * bps;
559 char *s = new char[l];
564 memcpy(ps, cvPtrND(m, i), rowsize);
566 for (d = m->dims - 2; 0 <= d; d--) {
567 if (++i[d] < cvGetDimSize(m, d)) {
577 return PyString_FromStringAndSize(s, ps - s);
580 static struct PyMethodDef cvmatnd_methods[] =
582 {"tostring", cvmatnd_tostring, METH_VARARGS},
586 static PyMappingMethods cvmatnd_as_map = {
592 static PyTypeObject cvmatnd_Type = {
593 PyObject_HEAD_INIT(&PyType_Type)
595 MODULESTR".cvmatnd", /*name*/
596 sizeof(cvmatnd_t), /*basicsize*/
599 static void cvmatnd_specials(void)
601 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
602 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
603 cvmatnd_Type.tp_repr = cvmatnd_repr;
604 cvmatnd_Type.tp_methods = cvmatnd_methods;
607 static int is_cvmatnd(PyObject *o)
609 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
612 /************************************************************************/
616 static void cvhistogram_dealloc(PyObject *self)
618 cvhistogram_t *cvh = (cvhistogram_t*)self;
619 Py_DECREF(cvh->bins);
623 static PyTypeObject cvhistogram_Type = {
624 PyObject_HEAD_INIT(&PyType_Type)
626 MODULESTR".cvhistogram", /*name*/
627 sizeof(cvhistogram_t), /*basicsize*/
630 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
632 Py_INCREF(cvh->bins);
636 static PyGetSetDef cvhistogram_getseters[] = {
637 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
638 {NULL} /* Sentinel */
641 static void cvhistogram_specials(void)
643 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
644 cvhistogram_Type.tp_getset = cvhistogram_getseters;
647 /************************************************************************/
651 static PyObject *cvlineiterator_iter(PyObject *o)
657 static PyObject *cvlineiterator_next(PyObject *o)
659 cvlineiterator_t *pi = (cvlineiterator_t*)o;
665 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
666 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
668 CV_NEXT_LINE_POINT(pi->iter);
676 static PyTypeObject cvlineiterator_Type = {
677 PyObject_HEAD_INIT(&PyType_Type)
679 MODULESTR".cvlineiterator", /*name*/
680 sizeof(cvlineiterator_t), /*basicsize*/
683 static void cvlineiterator_specials(void)
685 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
686 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
689 /************************************************************************/
693 static void iplconvkernel_dealloc(PyObject *self)
695 iplconvkernel_t *pi = (iplconvkernel_t*)self;
696 cvReleaseStructuringElement(&(pi->a));
700 static PyTypeObject iplconvkernel_Type = {
701 PyObject_HEAD_INIT(&PyType_Type)
703 MODULESTR".iplconvkernel", /*name*/
704 sizeof(iplconvkernel_t), /*basicsize*/
707 static void iplconvkernel_specials(void)
709 iplconvkernel_Type.tp_dealloc = iplconvkernel_dealloc;
712 /************************************************************************/
716 static void cvcapture_dealloc(PyObject *self)
718 cvcapture_t *pi = (cvcapture_t*)self;
719 cvReleaseCapture(&(pi->a));
723 static PyTypeObject cvcapture_Type = {
724 PyObject_HEAD_INIT(&PyType_Type)
726 MODULESTR".cvcapture", /*name*/
727 sizeof(cvcapture_t), /*basicsize*/
730 static void cvcapture_specials(void)
732 cvcapture_Type.tp_dealloc = cvcapture_dealloc;
735 /************************************************************************/
739 static void cvvideowriter_dealloc(PyObject *self)
741 cvvideowriter_t *pi = (cvvideowriter_t*)self;
742 cvReleaseVideoWriter(&(pi->a));
746 static PyTypeObject cvvideowriter_Type = {
747 PyObject_HEAD_INIT(&PyType_Type)
749 MODULESTR".cvvideowriter", /*name*/
750 sizeof(cvvideowriter_t), /*basicsize*/
753 static void cvvideowriter_specials(void)
755 cvvideowriter_Type.tp_dealloc = cvvideowriter_dealloc;
760 /************************************************************************/
764 static PyTypeObject cvmoments_Type = {
765 PyObject_HEAD_INIT(&PyType_Type)
767 MODULESTR".cvmoments", /*name*/
768 sizeof(cvmoments_t), /*basicsize*/
771 static void cvmoments_specials(void)
775 /************************************************************************/
779 static void cvmemstorage_dealloc(PyObject *self)
781 cvmemstorage_t *ps = (cvmemstorage_t*)self;
782 cvReleaseMemStorage(&(ps->a));
786 static PyTypeObject cvmemstorage_Type = {
787 PyObject_HEAD_INIT(&PyType_Type)
789 MODULESTR".cvmemstorage", /*name*/
790 sizeof(cvmemstorage_t), /*basicsize*/
793 static void cvmemstorage_specials(void)
795 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
798 /************************************************************************/
802 static PyTypeObject cvfont_Type = {
803 PyObject_HEAD_INIT(&PyType_Type)
805 MODULESTR".cvfont", /*name*/
806 sizeof(cvfont_t), /*basicsize*/
809 static void cvfont_specials(void) { }
811 /************************************************************************/
815 static void cvpositobject_dealloc(PyObject *self)
817 cvpositobject_t *pi = (cvpositobject_t*)self;
818 cvReleasePOSITObject(&(pi->a));
822 static PyTypeObject cvpositobject_Type = {
823 PyObject_HEAD_INIT(&PyType_Type)
825 MODULESTR".cvpositobject", /*name*/
826 sizeof(cvpositobject_t), /*basicsize*/
829 static void cvpositobject_specials(void)
831 cvpositobject_Type.tp_dealloc = cvpositobject_dealloc;
834 /************************************************************************/
838 static PyTypeObject cvrng_Type = {
839 PyObject_HEAD_INIT(&PyType_Type)
841 MODULESTR".cvrng", /*name*/
842 sizeof(cvrng_t), /*basicsize*/
845 static void cvrng_specials(void)
849 /************************************************************************/
851 /* cvhaarclassifiercascade */
853 static PyTypeObject cvhaarclassifiercascade_Type = {
854 PyObject_HEAD_INIT(&PyType_Type)
856 MODULESTR".cvhaarclassifiercascade", /*name*/
857 sizeof(cvhaarclassifiercascade_t), /*basicsize*/
860 static void cvhaarclassifiercascade_specials(void) { }
862 /************************************************************************/
866 static PyTypeObject cvcontourtree_Type = {
867 PyObject_HEAD_INIT(&PyType_Type)
869 MODULESTR".cvcontourtree", /*name*/
870 sizeof(cvcontourtree_t), /*basicsize*/
873 static void cvcontourtree_specials(void) { }
876 /************************************************************************/
880 static PyTypeObject cvsubdiv2dedge_Type = {
881 PyObject_HEAD_INIT(&PyType_Type)
883 MODULESTR".cvsubdiv2dedge", /*name*/
884 sizeof(cvsubdiv2dedge_t), /*basicsize*/
887 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
889 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
890 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
893 else if (e1->a > e2->a)
899 static PyObject *cvquadedge_repr(PyObject *self)
901 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
903 sprintf(str, "<cvsubdiv2dedge(");
904 char *d = str + strlen(str);
905 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
908 return PyString_FromString(str);
911 static void cvsubdiv2dedge_specials(void) {
912 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
913 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
916 /************************************************************************/
920 static void cvseq_dealloc(PyObject *self)
922 cvseq_t *ps = (cvseq_t*)self;
923 Py_DECREF(ps->container);
927 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
928 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
929 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
930 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
932 static struct PyMethodDef cvseq_methods[] =
934 {"h_next", cvseq_h_next, METH_VARARGS},
935 {"h_prev", cvseq_h_prev, METH_VARARGS},
936 {"v_next", cvseq_v_next, METH_VARARGS},
937 {"v_prev", cvseq_v_prev, METH_VARARGS},
941 static Py_ssize_t cvseq_seq_length(PyObject *o)
943 cvseq_t *ps = (cvseq_t*)o;
944 return (Py_ssize_t)(ps->a->total);
947 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
949 cvseq_t *ps = (cvseq_t*)o;
957 if (i < (Py_ssize_t)(ps->a->total)) {
958 switch (CV_SEQ_ELTYPE(ps->a)) {
960 case CV_SEQ_ELTYPE_POINT:
961 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
962 return Py_BuildValue("ii", pt->x, pt->y);
964 case CV_SEQ_ELTYPE_GENERIC:
965 switch (ps->a->elem_size) {
966 case sizeof(CvQuadEdge2D):
968 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
969 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
970 r->container = ps->container;
971 Py_INCREF(r->container);
975 printf("seq elem size is %d\n", ps->a->elem_size);
976 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
979 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
981 case CV_SEQ_ELTYPE_PTR:
982 case CV_SEQ_ELTYPE_INDEX:
983 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
986 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
987 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
990 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
991 return Py_BuildValue("ff", pt2->x, pt2->y);
993 case CV_SEQ_ELTYPE_POINT3D:
994 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
995 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
998 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1006 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1008 cvseq_t *ps = (cvseq_t*)o;
1009 if (PyInt_Check(item)) {
1010 long i = PyInt_AS_LONG(item);
1013 return cvseq_seq_getitem(o, i);
1014 } else if (PySlice_Check(item)) {
1015 Py_ssize_t start, stop, step, slicelength, cur, i;
1018 if (PySlice_GetIndicesEx((PySliceObject*)item, ps->a->total,
1019 &start, &stop, &step, &slicelength) < 0) {
1023 if (slicelength <= 0) {
1024 return PyList_New(0);
1026 result = PyList_New(slicelength);
1027 if (!result) return NULL;
1029 for (cur = start, i = 0; i < slicelength;
1031 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1037 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1043 PySequenceMethods cvseq_sequence = {
1050 static PyMappingMethods cvseq_mapping = {
1056 static PyTypeObject cvseq_Type = {
1057 PyObject_HEAD_INIT(&PyType_Type)
1059 MODULESTR".cvseq", /*name*/
1060 sizeof(cvseq_t), /*basicsize*/
1063 static void cvseq_specials(void)
1065 cvseq_Type.tp_dealloc = cvseq_dealloc;
1066 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1067 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1068 cvseq_Type.tp_methods = cvseq_methods;
1071 #define MK_ACCESSOR(FIELD) \
1072 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1074 cvseq_t *ps = (cvseq_t*)self; \
1076 if (s->FIELD == NULL) { \
1079 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1081 r->container = ps->container; \
1082 Py_INCREF(r->container); \
1083 return (PyObject*)r; \
1093 /************************************************************************/
1097 static void cvset_dealloc(PyObject *self)
1099 cvset_t *ps = (cvset_t*)self;
1100 Py_DECREF(ps->container);
1104 static PyTypeObject cvset_Type = {
1105 PyObject_HEAD_INIT(&PyType_Type)
1107 MODULESTR".cvset", /*name*/
1108 sizeof(cvset_t), /*basicsize*/
1111 static PyObject *cvset_iter(PyObject *o)
1114 cvset_t *ps = (cvset_t*)o;
1119 static PyObject *cvset_next(PyObject *o)
1121 cvset_t *ps = (cvset_t*)o;
1123 while (ps->i < ps->a->total) {
1124 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1125 int prev_i = ps->i++;
1127 return cvseq_seq_getitem(o, prev_i);
1133 static void cvset_specials(void)
1135 cvset_Type.tp_dealloc = cvset_dealloc;
1136 cvset_Type.tp_iter = cvset_iter;
1137 cvset_Type.tp_iternext = cvset_next;
1140 /************************************************************************/
1144 static PyTypeObject cvsubdiv2d_Type = {
1145 PyObject_HEAD_INIT(&PyType_Type)
1147 MODULESTR".cvsubdiv2d", /*name*/
1148 sizeof(cvsubdiv2d_t), /*basicsize*/
1151 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1153 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1154 if (strcmp(PyString_AsString(name), "edges") == 0) {
1155 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1157 r->container = p->container;
1158 Py_INCREF(r->container);
1159 return (PyObject*)r;
1161 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1166 static void cvsubdiv2d_specials(void)
1168 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1171 /************************************************************************/
1173 /* cvsubdiv2dpoint */
1175 static PyTypeObject cvsubdiv2dpoint_Type = {
1176 PyObject_HEAD_INIT(&PyType_Type)
1178 MODULESTR".cvsubdiv2dpoint", /*name*/
1179 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1182 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1184 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1185 if (strcmp(PyString_AsString(name), "first") == 0) {
1186 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1188 r->container = p->container;
1189 Py_INCREF(r->container);
1190 return (PyObject*)r;
1191 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1192 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1194 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1199 static void cvsubdiv2dpoint_specials(void)
1201 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1204 /************************************************************************/
1205 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1207 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1209 if (PyString_Check(o) && PyString_Size(o) == 1) {
1210 *dst = PyString_AsString(o)[0];
1214 return failmsg("Expected single character string for argument '%s'", name);
1218 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1220 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1221 (*dst) = (((cvmemstorage_t*)o)->a);
1224 (*dst) = (CvMemStorage*)NULL;
1225 return failmsg("Expected CvMemStorage for argument '%s'", name);
1229 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1231 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1232 (*dst) = (((cvseq_t*)o)->a);
1235 (*dst) = (CvSeq*)NULL;
1236 return failmsg("Expected CvSeq for argument '%s'", name);
1240 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1242 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1243 return failmsg("CvSize argument '%s' expects two integers", name);
1248 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1250 if (PySequence_Check(o)) {
1251 PyObject *fi = PySequence_Fast(o, name);
1254 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1255 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1256 if (PyNumber_Check(item))
1257 s->val[i] = PyFloat_AsDouble(item);
1259 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1263 if (PyNumber_Check(o)) {
1264 s->val[0] = PyFloat_AsDouble(o);
1266 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1272 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1274 if (!PySequence_Check(o))
1275 return failmsg("Expected sequence for point list argument '%s'", name);
1276 PyObject *fi = PySequence_Fast(o, name);
1279 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1280 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1281 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1282 if (!PyTuple_Check(item))
1283 return failmsg("Expected tuple for element in point list argument '%s'", name);
1284 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1292 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1294 PyObject *fi = PySequence_Fast(o, name);
1297 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1298 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1299 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1300 if (!PyTuple_Check(item))
1301 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1302 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1310 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1312 PyObject *fi = PySequence_Fast(o, name);
1315 *p = new CvPoint3D32f[PySequence_Fast_GET_SIZE(fi)];
1316 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1317 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1318 if (!PyTuple_Check(item))
1319 return failmsg("Expected tuple for CvPoint3D32f argument '%s'", name);
1320 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1328 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1330 if (!PyArg_ParseTuple(o,
1333 &dst->responseThreshold,
1334 &dst->lineThresholdProjected,
1335 &dst->lineThresholdBinarized,
1336 &dst->suppressNonmaxSize))
1337 return failmsg("CvRect argument '%s' expects four integers", name);
1342 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1344 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1345 return failmsg("CvRect argument '%s' expects four integers", name);
1350 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1353 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1354 return failmsg("CvRect argument '%s' expects four integers", name);
1359 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1361 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1362 return failmsg("CvSlice argument '%s' expects two integers", name);
1367 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1369 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1370 return failmsg("CvPoint argument '%s' expects two integers", name);
1375 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1377 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1378 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1383 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1385 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1386 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1391 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1393 iplimage_t *ipl = (iplimage_t*)o;
1395 Py_ssize_t buffer_len;
1397 if (!is_iplimage(o)) {
1398 return failmsg("Argument '%s' must be IplImage", name);
1399 } else if (PyString_Check(ipl->data)) {
1400 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1401 assert(cvGetErrStatus() == 0);
1404 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1405 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1406 assert(cvGetErrStatus() == 0);
1410 return failmsg("IplImage argument '%s' has no data", name);
1414 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1416 cvmat_t *m = (cvmat_t*)o;
1418 Py_ssize_t buffer_len;
1421 return failmsg("Argument '%s' must be CvMat", name);
1422 } else if (m->data && PyString_Check(m->data)) {
1423 assert(cvGetErrStatus() == 0);
1424 cvSetData(m->a, PyString_AsString(m->data) + m->offset, m->a->step);
1425 assert(cvGetErrStatus() == 0);
1428 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1429 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1430 assert(cvGetErrStatus() == 0);
1434 return failmsg("CvMat argument '%s' has no data", name);
1438 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1440 cvmatnd_t *m = (cvmatnd_t*)o;
1442 Py_ssize_t buffer_len;
1444 if (!is_cvmatnd(o)) {
1445 return failmsg("Argument '%s' must be CvMatND", name);
1446 } else if (m->data && PyString_Check(m->data)) {
1447 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1450 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1451 m->a->data.ptr = ((uchar*)buffer + m->offset);
1455 return failmsg("CvMatND argument '%s' has no data", name);
1459 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1464 } else if (is_iplimage(o)) {
1465 return convert_to_IplImage(o, (IplImage**)dst, name);
1466 } else if (is_cvmat(o)) {
1467 return convert_to_CvMat(o, (CvMat**)dst, name);
1468 } else if (is_cvmatnd(o)) {
1469 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1471 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1475 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1477 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1478 cvhistogram_t *ht = (cvhistogram_t*)o;
1480 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1482 *dst = (CvHistogram *)NULL;
1483 return failmsg("Expected CvHistogram for argument '%s'", name);
1487 // Used by FillPoly, FillConvexPoly, PolyLine
1488 struct pts_npts_contours {
1494 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1496 PyObject *fi = PySequence_Fast(o, name);
1499 dst->contours = PySequence_Fast_GET_SIZE(fi);
1500 dst->pts = new CvPoint*[dst->contours];
1501 dst->npts = new int[dst->contours];
1502 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1503 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1505 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1515 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1517 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1518 return convert_to_CvSeq(o, (CvSeq**)&(dst->v), name);
1519 } else if (PySequence_Check(o)) {
1520 PyObject *fi = PySequence_Fast(o, name);
1523 Py_ssize_t size = -1;
1524 // Make a pass through the sequence, checking that each element is
1525 // a sequence and that they are all the same size
1526 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1527 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1529 if (!PySequence_Check(e))
1530 return failmsg("Sequence '%s' must contain sequences", name);
1532 size = (int)PySequence_Size(e);
1533 else if (size != PySequence_Size(e))
1534 return failmsg("All elements of sequence '%s' must be same size", name);
1537 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1538 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1539 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1540 PyObject *fe = PySequence_Fast(e, name);
1542 int *pdst = (int*)cvPtr2D(mt, i, 0);
1543 for (Py_ssize_t j = 0; j < size; j++) {
1544 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1552 return convert_to_CvArr(o, (CvArr**)&(dst->v), name);
1556 struct cvarr_count {
1561 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1563 PyObject *fi = PySequence_Fast(o, name);
1566 dst->count = PySequence_Fast_GET_SIZE(fi);
1567 dst->cvarr = new CvArr*[dst->count];
1568 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1569 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1582 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1584 PyObject *fi = PySequence_Fast(o, name);
1587 dst->count = PySequence_Fast_GET_SIZE(fi);
1588 dst->pairs = new int[2 * dst->count];
1589 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1590 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1591 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1599 struct cvpoint2d32f_count {
1600 CvPoint2D32f* points;
1604 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1606 if (PyInt_Check(o)) {
1607 dst->count = PyInt_AsLong(o);
1608 dst->points = new CvPoint2D32f[dst->count];
1611 return failmsg("Expected integer for CvPoint2D32f count");
1619 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1621 PyObject *fi = PySequence_Fast(o, name);
1624 dst->count = PySequence_Fast_GET_SIZE(fi);
1625 dst->f = new float[dst->count];
1626 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1627 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1628 dst->f[i] = (float)PyFloat_AsDouble(item);
1638 /// convert_to_chars not used
1644 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1646 PyObject *fi = PySequence_Fast(o, name);
1649 dst->count = PySequence_Fast_GET_SIZE(fi);
1650 dst->p = new CvPoint[dst->count];
1651 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1652 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1653 convert_to_CvPoint(item, &dst->p[i], name);
1659 struct CvPoint3D32fs {
1663 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1665 PyObject *fi = PySequence_Fast(o, name);
1668 dst->count = PySequence_Fast_GET_SIZE(fi);
1669 dst->p = new CvPoint3D32f[dst->count];
1670 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1671 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1672 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1678 struct CvPoint2D32fs {
1682 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1684 PyObject *fi = PySequence_Fast(o, name);
1687 dst->count = PySequence_Fast_GET_SIZE(fi);
1688 dst->p = new CvPoint2D32f[dst->count];
1689 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1690 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1691 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1701 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1703 PyObject *fi = PySequence_Fast(o, name);
1706 dst->count = PySequence_Fast_GET_SIZE(fi);
1707 dst->i = new int[dst->count];
1708 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1709 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1710 dst->i[i] = PyInt_AsLong(item);
1720 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1722 PyObject *fi = PySequence_Fast(o, name);
1725 dst->count = PySequence_Fast_GET_SIZE(fi);
1726 dst->i = new int[dst->count + 1];
1727 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1728 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1729 dst->i[i] = PyInt_AsLong(item);
1731 dst->i[dst->count] = 0;
1740 int step[CV_MAX_DIM];
1741 int length[CV_MAX_DIM];
1744 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1746 if (PySlice_Check(item)) {
1747 Py_ssize_t start, stop, step, slicelength;
1748 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1750 dst->step[i] = step;
1751 dst->length[i] = slicelength;
1753 int index = PyInt_AsLong(item);
1757 dst->i[i] = cvGetDimSize(cva, i) + index;
1764 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1766 if (!PyTuple_Check(o)) {
1768 return convert_to_dim(o, 0, dst, cva, name);
1770 PyObject *fi = PySequence_Fast(o, name);
1772 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1775 dst->count = PySequence_Fast_GET_SIZE(fi);
1776 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1777 if (i >= cvGetDims(cva)) {
1778 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1780 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1781 if (!convert_to_dim(item, i, dst, cva, name))
1793 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1795 PyObject *fi = PySequence_Fast(o, name);
1798 dst->count = PySequence_Fast_GET_SIZE(fi);
1799 dst->ims = new IplImage*[dst->count];
1800 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1801 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1802 if (!convert_to_IplImage(item, &dst->ims[i]))
1813 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
1815 PyObject *fi = PySequence_Fast(o, name);
1818 dst->count = PySequence_Fast_GET_SIZE(fi);
1819 dst->ims = new CvArr*[dst->count];
1820 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1821 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1822 if (!convert_to_CvArr(item, &dst->ims[i]))
1829 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
1831 PyObject *fi = PySequence_Fast(o, name);
1834 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
1835 float **r = new float*[sz];
1836 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1837 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1839 if (!convert_to_floats(item, &ff))
1847 static int convert_to_IplConvKernelPTR(PyObject *o, IplConvKernel** dst, const char *name = "no_name")
1849 if (PyType_IsSubtype(o->ob_type, &iplconvkernel_Type)) {
1850 *dst = ((iplconvkernel_t*)o)->a;
1853 (*dst) = (IplConvKernel*)NULL;
1854 return failmsg("Expected IplConvKernel for argument '%s'", name);
1858 static int convert_to_CvCapturePTR(PyObject *o, CvCapture** dst, const char *name = "no_name")
1860 if (PyType_IsSubtype(o->ob_type, &cvcapture_Type)) {
1861 *dst = ((cvcapture_t*)o)->a;
1864 (*dst) = (CvCapture*)NULL;
1865 return failmsg("Expected CvCapture for argument '%s'", name);
1869 static int convert_to_CvVideoWriterPTR(PyObject *o, CvVideoWriter** dst, const char *name = "no_name")
1871 if (PyType_IsSubtype(o->ob_type, &cvvideowriter_Type)) {
1872 *dst = ((cvvideowriter_t*)o)->a;
1875 (*dst) = (CvVideoWriter*)NULL;
1876 return failmsg("Expected CvVideoWriter for argument '%s'", name);
1880 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
1882 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
1883 (*dst) = &(((cvmoments_t*)o)->a);
1886 (*dst) = (CvMoments*)NULL;
1887 return failmsg("Expected CvMoments for argument '%s'", name);
1891 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
1893 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
1894 (*dst) = &(((cvfont_t*)o)->a);
1897 (*dst) = (CvFont*)NULL;
1898 return failmsg("Expected CvFont for argument '%s'", name);
1902 static int convert_to_CvHaarClassifierCascadePTR(PyObject *o, CvHaarClassifierCascade** dst, const char *name = "no_name")
1904 if (PyType_IsSubtype(o->ob_type, &cvhaarclassifiercascade_Type)) {
1905 (*dst) = ((cvhaarclassifiercascade_t*)o)->a;
1908 (*dst) = (CvHaarClassifierCascade*)NULL;
1909 return failmsg("Expected CvHaarClassifierCascade for argument '%s'", name);
1913 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
1915 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
1916 (*dst) = ((cvcontourtree_t*)o)->a;
1920 return failmsg("Expected CvContourTree for argument '%s'", name);
1924 static int convert_to_CvPOSITObjectPTR(PyObject *o, CvPOSITObject** dst, const char *name = "no_name")
1926 if (PyType_IsSubtype(o->ob_type, &cvpositobject_Type)) {
1927 (*dst) = ((cvpositobject_t*)o)->a;
1930 (*dst) = (CvPOSITObject*)NULL;
1931 return failmsg("Expected CvPOSITObject for argument '%s'", name);
1935 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
1937 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
1938 (*dst) = &(((cvrng_t*)o)->a);
1941 (*dst) = (CvRNG*)NULL;
1942 return failmsg("Expected CvRNG for argument '%s'", name);
1946 typedef void* generic;
1947 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
1949 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
1950 return convert_to_IplImage(o, (IplImage**)dst, name);
1951 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
1952 return convert_to_CvMat(o, (CvMat**)dst, name);
1953 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
1954 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1956 return failmsg("Cannot identify type of '%s'", name);
1960 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
1962 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
1967 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
1969 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
1974 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
1976 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
1977 (*dst) = (((cvsubdiv2d_t*)o)->a);
1980 (*dst) = (CvSubdiv2D*)NULL;
1981 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
1985 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
1987 if (!PyNumber_Check(o)) {
1988 *dst = (CvNextEdgeType)NULL;
1989 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
1991 *dst = (CvNextEdgeType)PyInt_AsLong(o);
1996 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
1998 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
1999 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2003 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2007 /************************************************************************/
2009 static PyObject *pythonize_CvMat(cvmat_t *m)
2011 // Need to make this CvMat look like any other, with a Python
2012 // string as its data.
2013 // So copy the image data into a Python string object, then release
2016 assert(mat->step != 0);
2017 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2020 cvDecRefData(mat); // Ref count should be zero here, so this is a release
2021 return (PyObject*)m;
2024 static PyObject *pythonize_IplImage(iplimage_t *cva)
2026 // Need to make this iplimage look like any other, with a Python
2027 // string as its data.
2028 // So copy the image data into a Python string object, then release
2031 IplImage *ipl = (IplImage*)(cva->a);
2032 PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2037 return (PyObject*)cva;
2040 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2043 // Need to make this CvMatND look like any other, with a Python
2044 // string as its data.
2045 // So copy the image data into a Python string object, then release
2049 CvMatND *mat = m->a;
2050 assert(mat->dim[0].step != 0);
2051 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2054 cvDecRefData(mat); // Ref count should be zero here, so this is a release
2056 return (PyObject*)m;
2059 /************************************************************************/
2060 /* FROM_xxx: C -> Python converters.
2062 * Turn various OpenCV types (and some aggregate types above)
2063 * into Python objects. Used by the generated code.
2065 * All these functions and macros return a new reference.
2068 #define FROM_double(r) PyFloat_FromDouble(r)
2069 #define FROM_float(r) PyFloat_FromDouble(r)
2070 #define FROM_int(r) PyInt_FromLong(r)
2071 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
2072 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
2073 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
2074 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
2075 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", r.area, FROM_CvScalar(r.value), FROM_CvRect(r.rect))
2076 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
2077 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
2078 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
2079 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
2080 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
2081 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
2083 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2085 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2087 ps->container = storage;
2088 Py_INCREF(ps->container);
2089 return (PyObject*)ps;
2092 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2094 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2096 ps->container = storage;
2097 Py_INCREF(ps->container);
2098 return (PyObject*)ps;
2101 static PyObject *FROM_floats(floats r)
2105 pr = PyList_New(r.count);
2106 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2107 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2112 static PyObject *FROM_chars(chars r)
2116 pr = PyList_New(r.count);
2117 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2118 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2123 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2127 pr = PyList_New(r.count);
2128 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2129 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2134 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2138 pr = PyList_New(r.count);
2139 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2140 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2145 typedef CvSeq CvSeqOfCvConvexityDefect;
2146 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2149 pr = PyList_New(r->total);
2150 for (int i = 0; i < r->total; i++) {
2151 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2152 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2153 pd->start->x, pd->start->y,
2154 pd->end->x, pd->end->y,
2155 pd->depth_point->x, pd->depth_point->y,
2158 // This function has copied the CvSeq data into a list. Hence the
2159 // CvSeq is not being returned to the caller. Hence, no reference
2160 // count increase for the storage, unlike _FROM_CvSeqPTR.
2164 typedef CvSeq CvSeqOfCvAvgComp;
2165 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2168 pr = PyList_New(r->total);
2169 for (int i = 0; i < r->total; i++) {
2170 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2171 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2172 pd->rect.x, pd->rect.y,
2173 pd->rect.width, pd->rect.height,
2176 // This function has copied the CvSeq data into a list. Hence the
2177 // CvSeq is not being returned to the caller. Hence, no reference
2178 // count increase for the storage, unlike _FROM_CvSeqPTR.
2182 typedef CvSeq CvSeqOfCvStarKeypoint;
2183 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2186 pr = PyList_New(r->total);
2187 for (int i = 0; i < r->total; i++) {
2188 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2189 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2194 // This function has copied the CvSeq data into a list. Hence the
2195 // CvSeq is not being returned to the caller. Hence, no reference
2196 // count increase for the storage, unlike _FROM_CvSeqPTR.
2200 typedef CvSeq CvSeqOfCvSURFPoint;
2201 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2204 pr = PyList_New(r->total);
2205 for (int i = 0; i < r->total; i++) {
2206 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2207 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2214 // This function has copied the CvSeq data into a list. Hence the
2215 // CvSeq is not being returned to the caller. Hence, no reference
2216 // count increase for the storage, unlike _FROM_CvSeqPTR.
2220 typedef CvSeq CvSeqOfCvSURFDescriptor;
2221 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2224 pr = PyList_New(r->total);
2225 for (int i = 0; i < r->total; i++) {
2226 float *pd = (float*)cvGetSeqElem(r, i);
2227 int count = r->elem_size / sizeof(float);
2228 PyObject *oi = PyList_New(count);
2229 for (int j = 0; j < count; j++) {
2230 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2232 PyList_SetItem(pr, i, oi);
2234 // This function has copied the CvSeq data into a list. Hence the
2235 // CvSeq is not being returned to the caller. Hence, no reference
2236 // count increase for the storage, unlike _FROM_CvSeqPTR.
2240 static PyObject *FROM_IplConvKernelPTR(IplConvKernel *r)
2242 iplconvkernel_t *ick = PyObject_NEW(iplconvkernel_t, &iplconvkernel_Type);
2244 return (PyObject*)ick;
2247 static PyObject *FROM_CvCapturePTR(CvCapture *r)
2249 cvcapture_t *c = PyObject_NEW(cvcapture_t, &cvcapture_Type);
2251 return (PyObject*)c;
2254 static PyObject *FROM_CvVideoWriterPTR(CvVideoWriter *r)
2256 cvvideowriter_t *c = PyObject_NEW(cvvideowriter_t, &cvvideowriter_Type);
2258 return (PyObject*)c;
2261 typedef CvPoint2D32f CvPoint2D32f_4[4];
2262 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2264 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2271 typedef float CvMatr32f_i[9];
2273 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2275 return Py_BuildValue("(fff)(fff)(fff)",
2281 typedef float CvVect32f_i[3];
2282 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2284 return Py_BuildValue("fff",
2288 static PyObject *FROM_CvFont(CvFont r)
2290 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2292 return (PyObject*)cf;
2295 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2298 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2300 return (PyObject*)cf;
2307 static PyObject *FROM_IplImagePTR(IplImage *r)
2309 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2311 return pythonize_IplImage(cva);
2314 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2317 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2318 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2320 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2322 return (PyObject*)cva;
2328 static PyObject *FROM_CvMatPTR(CvMat *r)
2330 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2333 return pythonize_CvMat(cvm);
2336 static PyObject *FROM_CvMat(CvMat *r)
2338 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2340 return pythonize_CvMat(m);
2343 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2345 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2347 return pythonize_CvMatND(m);
2350 static PyObject *FROM_CvPOSITObjectPTR(CvPOSITObject *r)
2352 cvpositobject_t *m = PyObject_NEW(cvpositobject_t, &cvpositobject_Type);
2354 return (PyObject*)m;
2357 static PyObject *FROM_CvRNG(CvRNG r)
2359 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2361 return (PyObject*)m;
2364 static PyObject *FROM_CvHaarClassifierCascade(CvHaarClassifierCascade *r)
2366 cvhaarclassifiercascade_t *m = PyObject_NEW(cvhaarclassifiercascade_t, &cvhaarclassifiercascade_Type);
2368 return (PyObject*)m;
2371 static PyObject *FROM_CvMoments(CvMoments r)
2373 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2375 return (PyObject*)m;
2378 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2380 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2382 return (PyObject*)m;
2385 static PyObject *FROM_generic(generic r)
2387 CvTypeInfo* t = cvTypeOf(r);
2389 failmsg("OpenCV returned NULL");
2391 } if (strcmp(t->type_name, "opencv-image") == 0)
2392 return FROM_IplImagePTR((IplImage*)r);
2393 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2394 return FROM_CvMat((CvMat*)r);
2395 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2396 return FROM_CvHaarClassifierCascade((CvHaarClassifierCascade*)r);
2398 failmsg("Unknown OpenCV type '%s'", t->type_name);
2403 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2405 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2407 m->container = Py_None; // XXX
2408 Py_INCREF(m->container);
2409 return (PyObject*)m;
2412 /************************************************************************/
2414 /* A few functions are too odd to be generated,
2415 * so are handwritten here */
2417 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2421 const char *keywords[] = { "delay", NULL };
2422 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2425 Py_BEGIN_ALLOW_THREADS
2426 r = cvWaitKey(delay);
2427 Py_END_ALLOW_THREADS
2431 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2433 const char *keywords[] = { "filename", "iscolor", NULL };
2435 int iscolor = CV_LOAD_IMAGE_COLOR;
2437 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2440 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2441 // So make a local copy 'filename_copy'.
2442 char filename_copy[2048];
2443 strncpy(filename_copy, filename, sizeof(filename_copy));
2446 Py_BEGIN_ALLOW_THREADS
2447 r = cvLoadImage(filename_copy, iscolor);
2448 Py_END_ALLOW_THREADS
2451 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2454 return FROM_IplImagePTR(r);
2458 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2460 int w, h, depth, channels;
2461 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2463 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2464 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2465 if (cva->a == NULL) {
2466 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2469 cva->data = Py_None;
2470 Py_INCREF(cva->data);
2473 return (PyObject*)cva;
2477 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2479 int w, h, depth, channels;
2480 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2482 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2483 cva->a = cvCreateImage(cvSize(w, h), depth, channels);
2484 if (cva->a == NULL) {
2485 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2488 return pythonize_IplImage(cva);
2492 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2494 int rows, cols, type;
2495 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2497 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2498 m->a = cvCreateMatHeader(rows, cols, type);
2500 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2506 return (PyObject*)m;
2510 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2512 int rows, cols, type;
2513 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2515 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2516 m->a = cvCreateMat(rows, cols, type);
2518 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2521 return pythonize_CvMat(m);
2525 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2530 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2532 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2533 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2537 return (PyObject*)m;
2541 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2546 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2548 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2549 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2550 return pythonize_CvMatND(m);
2553 static PyObject *pycvCreateHist(PyObject *self, PyObject *args)
2557 float **ranges = NULL;
2560 if (!PyArg_ParseTuple(args, "Oi|O&i", &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2563 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2564 args = Py_BuildValue("Ni", dims, CV_32FC1);
2565 h->bins = pycvCreateMatND(self, args);
2567 if (h->bins == NULL) {
2570 h->h.type = CV_HIST_MAGIC_VAL;
2571 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2574 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2576 return (PyObject*)h;
2579 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args)
2584 int connectivity = 8;
2585 int left_to_right = 0;
2587 if (!PyArg_ParseTuple(args, "O&O&O&|ii",
2588 convert_to_CvArr, &image,
2589 convert_to_CvPoint, &pt1,
2590 convert_to_CvPoint, &pt2,
2595 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2596 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2597 ERRWRAP(pi->type = cvGetElemType(image));
2598 return (PyObject*)pi;
2601 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2604 if (!PyArg_ParseTuple(args, "|i", &block_size))
2606 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2607 pm->a = cvCreateMemStorage(block_size);
2608 return (PyObject*)pm;
2611 // single index: return row
2612 // 2 indices: row, column
2613 // both row and column can be slices. column slice must have a step of 1.
2615 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2617 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2622 if (!convert_to_CvArr(o, &cva, "src"))
2625 if (!convert_to_dims(key, &dd, cva, "key")) {
2629 // Figure out if all supplied indices have a stride of zero - means they are not slices
2630 // and if all indices are positive
2632 for (int i = 0; i < dd.count; i++) {
2633 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2636 // if every dimension supplied, and none are slices, return the scalar
2637 if ((cvGetDims(cva) == dd.count) && all0) {
2639 ERRWRAP(s = cvGetND(cva, dd.i));
2640 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2642 // pad missing dimensions
2643 for (int i = dd.count; i < cvGetDims(cva); i++) {
2646 dd.length[i] = cvGetDimSize(cva, i);
2648 dd.count = cvGetDims(cva);
2650 // negative steps are illegal for OpenCV
2651 for (int i = 0; i < dd.count; i++) {
2653 return (PyObject*)failmsg("Negative step is illegal");
2656 // zero length illegal for OpenCV
2657 for (int i = 0; i < dd.count; i++) {
2658 if (dd.length[i] == 0)
2659 return (PyObject*)failmsg("Zero sized dimension is illegal");
2662 // column step can only be 0 or 1
2663 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2664 return (PyObject*)failmsg("Column step is illegal");
2666 if (is_cvmat(o) || is_iplimage(o)) {
2667 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2668 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2669 uchar *old0; // pointer to first element in old mat
2671 cvGetRawData(cva, &old0, &oldstep);
2672 uchar *new0; // pointer to first element in new mat
2673 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2675 sub->a->step = oldstep * dd.step[0];
2676 sub->data = what_data(o);
2677 Py_INCREF(sub->data);
2678 sub->offset = new0 - old0;
2679 return (PyObject*)sub;
2681 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2682 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2683 uchar *old0; // pointer to first element in old mat
2684 cvGetRawData(cva, &old0);
2685 uchar *new0; // pointer to first element in new mat
2686 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2688 for (int d = 0; d < dd.count; d++) {
2689 int stp = dd.step[d];
2690 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2691 sub->a->dim[d].size = dd.length[d];
2693 sub->data = what_data(o);
2694 Py_INCREF(sub->data);
2695 sub->offset = new0 - old0;
2696 return (PyObject*)sub;
2701 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2706 if (!convert_to_CvArr(o, &cva, "src"))
2709 if (!convert_to_dims(key, &dd, cva, "key")) {
2713 if (cvGetDims(cva) != dd.count) {
2714 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2719 if (PySequence_Check(v)) {
2720 PyObject *fi = PySequence_Fast(v, "v");
2723 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
2724 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
2727 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
2728 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
2731 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
2732 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
2735 s.val[0] = PyFloat_AsDouble(v);
2739 cvSet1D(cva, dd.i[0], s);
2742 cvSet2D(cva, dd.i[0], dd.i[1], s);
2745 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
2748 cvSetND(cva, dd.i, s);
2749 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
2752 if (cvGetErrStatus() != 0) {
2753 translate_error_to_exception();
2761 static PyObject *pycvSetData(PyObject *self, PyObject *args)
2766 if (!PyArg_ParseTuple(args, "OOi", &o, &s, &step))
2768 if (is_iplimage(o)) {
2769 iplimage_t *ipl = (iplimage_t*)o;
2770 ipl->a->widthStep = step;
2771 Py_DECREF(ipl->data);
2773 Py_INCREF(ipl->data);
2774 } else if (is_cvmat(o)) {
2775 cvmat_t *m = (cvmat_t*)o;
2780 } else if (is_cvmatnd(o)) {
2781 cvmatnd_t *m = (cvmatnd_t*)o;
2786 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
2793 static PyObject *what_data(PyObject *o)
2795 if (is_iplimage(o)) {
2796 iplimage_t *ipl = (iplimage_t*)o;
2798 } else if (is_cvmat(o)) {
2799 cvmat_t *m = (cvmat_t*)o;
2801 } else if (is_cvmatnd(o)) {
2802 cvmatnd_t *m = (cvmatnd_t*)o;
2810 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
2814 if (!PyArg_ParseTuple(args, "O", &o))
2818 if (!convert_to_CvArr(o, &a, "arr"))
2820 ERRWRAP(cvCreateData(a));
2822 Py_DECREF(what_data(o));
2823 if (is_iplimage(o)) {
2824 iplimage_t *ipl = (iplimage_t*)o;
2825 pythonize_IplImage(ipl);
2826 } else if (is_cvmat(o)) {
2827 cvmat_t *m = (cvmat_t*)o;
2829 } else if (is_cvmatnd(o)) {
2830 cvmatnd_t *m = (cvmatnd_t*)o;
2831 pythonize_CvMatND(m);
2833 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
2840 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
2844 if (!PyArg_ParseTuple(args, "O", &o))
2847 if (!convert_to_CvArr(o, &cva, "src"))
2851 ERRWRAP(nd = cvGetDims(cva));
2852 PyObject *r = PyTuple_New(nd);
2853 for (i = 0; i < nd; i++)
2854 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
2858 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
2862 if (!PyArg_ParseTuple(args, "O", &o))
2864 if (is_iplimage(o)) {
2868 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
2870 if (!convert_to_CvArr(o, &cva, "src"))
2872 ERRWRAP(cvGetImage(cva, ipl));
2874 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
2876 oipl->data = what_data(o);
2877 Py_INCREF(oipl->data);
2880 r = (PyObject*)oipl;
2885 static PyObject *pycvGetMat(PyObject *self, PyObject *args)
2889 if (!PyArg_ParseTuple(args, "O", &o))
2895 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
2897 if (!convert_to_CvArr(o, &cva, "src"))
2899 ERRWRAP(cvGetMat(cva, m));
2901 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
2903 om->data = what_data(o);
2904 Py_INCREF(om->data);
2912 static PyObject *pycvReshape(PyObject *self, PyObject *args)
2918 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
2921 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
2923 if (!convert_to_CvArr(o, &cva, "src"))
2925 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
2927 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
2929 om->data = what_data(o);
2930 Py_INCREF(om->data);
2933 return (PyObject*)om;
2936 static void OnMouse(int event, int x, int y, int flags, void* param)
2938 PyGILState_STATE gstate;
2939 gstate = PyGILState_Ensure();
2941 PyObject *o = (PyObject*)param;
2942 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
2944 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
2950 PyGILState_Release(gstate);
2953 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
2955 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
2958 PyObject *param = NULL;
2960 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
2962 if (!PyCallable_Check(on_mouse)) {
2963 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
2966 if (param == NULL) {
2969 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
2973 void OnChange(int pos, void *param)
2975 PyGILState_STATE gstate;
2976 gstate = PyGILState_Ensure();
2978 PyObject *o = (PyObject*)param;
2979 PyObject *args = Py_BuildValue("(i)", pos);
2980 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
2984 PyGILState_Release(gstate);
2987 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args, PyObject *kw)
2989 const char *keywords[] = { "trackbar_name", "window_name", "value", "count", "on_change", NULL };
2990 PyObject *on_change;
2991 char* trackbar_name;
2993 int *value = new int;
2996 if (!PyArg_ParseTupleAndKeywords(args, kw, "ssiiO", (char**)keywords, &trackbar_name, &window_name, value, &count, &on_change))
2998 if (!PyCallable_Check(on_change)) {
2999 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3002 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3006 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3009 PyObject *pyobj_image = NULL;
3010 CvMemStorage* storage;
3011 PyObject *pyobj_storage = NULL;
3012 CvSeq* first_contour;
3013 int header_size = sizeof(CvContour);
3014 int mode = CV_RETR_LIST;
3015 int method = CV_CHAIN_APPROX_SIMPLE;
3016 CvPoint offset = cvPoint(0,0);
3017 PyObject *pyobj_offset = NULL;
3019 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3020 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3022 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3023 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3024 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3025 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3026 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3027 ps->a = first_contour;
3028 ps->container = PyTuple_GetItem(args, 1); // storage
3029 Py_INCREF(ps->container);
3030 return (PyObject*)ps;
3033 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3036 PyObject *pyobj_src_seq = NULL;
3037 int header_size = sizeof(CvContour);
3038 CvMemStorage* storage;
3039 PyObject *pyobj_storage = NULL;
3041 double parameter = 0;
3044 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3045 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3047 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3048 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3050 ERRWRAP(r = cvApproxPoly(src_seq.v, header_size, storage, method, parameter, parameter2));
3051 return FROM_CvSeqPTR(r);
3054 static float distance_function_glue( const float* a, const float* b, void* user_param )
3056 PyObject *o = (PyObject*)user_param;
3057 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3058 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3060 return (float)PyFloat_AsDouble(r);
3063 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3065 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3067 PyObject *pyobj_signature1;
3069 PyObject *pyobj_signature2;
3071 PyObject *distance_func = NULL;
3072 CvArr* cost_matrix=NULL;
3073 PyObject *pyobj_cost_matrix = NULL;
3075 PyObject *pyobj_flow = NULL;
3076 float lower_bound = 0.0;
3077 PyObject *userdata = NULL;
3079 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3089 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3090 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3091 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3092 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3094 if (distance_func == NULL) {
3095 distance_func = Py_None;
3097 if (userdata == NULL) {
3101 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3103 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3106 return PyFloat_FromDouble(r);
3109 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3111 PyObject *pyobj_subdiv;
3115 CvSubdiv2DEdge edge;
3116 CvSubdiv2DPoint* vertex;
3118 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3120 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3122 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3125 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3128 case CV_PTLOC_INSIDE:
3129 case CV_PTLOC_ON_EDGE:
3130 r = FROM_CvSubdiv2DEdge(edge);
3132 case CV_PTLOC_VERTEX:
3133 r = FROM_CvSubdiv2DPointPTR(vertex);
3135 case CV_PTLOC_OUTSIDE_RECT:
3140 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3142 return Py_BuildValue("iO", (int)loc, r);;
3145 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3148 PyObject *pyobj_prev = NULL;
3150 PyObject *pyobj_curr = NULL;
3152 PyObject *pyobj_prev_pyr = NULL;
3154 PyObject *pyobj_curr_pyr = NULL;
3155 CvPoint2D32f* prev_features;
3156 PyObject *pyobj_prev_features = NULL;
3157 PyObject *pyobj_curr_features = NULL;
3158 CvPoint2D32f* curr_features;
3161 CvTermCriteria criteria;
3164 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3165 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3166 &pyobj_prev_features,
3167 &win_size.width, &win_size.height, &level,
3168 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3170 &pyobj_curr_features))
3172 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3173 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3174 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3175 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3176 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3177 int count = (int)PySequence_Length(pyobj_prev_features);
3178 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3179 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3182 if (!pyobj_curr_features) {
3183 curr_features = new CvPoint2D32f[count];
3185 if (PySequence_Length(pyobj_curr_features) != count) {
3186 failmsg("curr_features must have same length as prev_features");
3189 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3190 flags |= CV_LKFLOW_INITIAL_GUESSES;
3192 float *track_error = new float[count];
3193 char* status = new char[count];
3194 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3196 cvpoint2d32f_count r0;
3197 r0.points = curr_features;
3208 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3211 static PyObject *pycvClipLine(PyObject *self, PyObject *args, PyObject *kw)
3214 PyObject *pyobj_img_size = NULL;
3216 PyObject *pyobj_pt1 = NULL;
3218 PyObject *pyobj_pt2 = NULL;
3220 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3222 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3223 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3224 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3226 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3230 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3234 static PyObject *temp_test(PyObject *self, PyObject *args)
3237 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3238 printf("im=%p\n", im);
3239 CvMat *m = cvEncodeImage(".jpeg", im);
3242 CvArr *im = cvLoadImage("lena.jpg", 0);
3243 float r0[] = { 0, 255 };
3244 float *ranges[] = { r0 };
3245 int hist_size[] = { 256 };
3246 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3247 cvCalcHist(im, hist, 0, 0);
3251 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3252 CvMat row_header, *row;
3253 row = cvReshape( mat, &row_header, 0, 1 );
3254 printf("%d,%d\n", row_header.rows, row_header.cols);
3255 printf("ge %08x\n", cvGetElemType(mat));
3259 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3260 printf("CvMat stride ===> %d\n", m->step);
3264 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3265 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3267 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3268 cvGetAffineTransform(src, dst, mapping);
3269 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3273 CvArr *im = cvLoadImage("checker77.png");
3274 CvPoint2D32f corners[49];
3276 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3277 printf("count=%d\n", count);
3280 return PyFloat_FromDouble(0.0);
3283 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3286 PyObject *pyobj_image = NULL;
3287 CvSize pattern_size;
3288 PyObject *pyobj_pattern_size = NULL;
3289 cvpoint2d32f_count corners;
3290 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3292 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3293 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3295 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3296 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3298 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3299 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3300 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3303 // For functions GetSubRect, GetRow, GetCol.
3304 // recipient has a view into donor's data, and needs to share it.
3305 // make recipient use the donor's data, compute the offset,
3306 // and manage reference counts.
3308 static void preShareData(CvArr *donor, CvMat **recipient)
3310 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3313 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3315 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3316 ((cvmat_t*)recipient)->a = precipient;
3317 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3320 if (is_cvmat(donor)) {
3321 arr_data = ((cvmat_t*)donor)->data;
3322 } else if (is_iplimage(donor)) {
3323 arr_data = ((iplimage_t*)donor)->data;
3325 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3327 ((cvmat_t*)recipient)->data = arr_data;
3328 Py_INCREF(arr_data);
3332 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args, PyObject *kw)
3335 PyObject *pyobj_moments = NULL;
3337 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3339 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3341 ERRWRAP(cvGetHuMoments(moments, &r));
3342 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3345 static PyObject *pycvFitLine(PyObject *self, PyObject *args, PyObject *kw)
3348 PyObject *pyobj_points = NULL;
3355 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3357 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3358 ERRWRAP(cvFitLine(points.v, dist_type, param, reps, aeps, r));
3360 if (strcmp("opencv-matrix", cvTypeOf(points.v)->type_name) == 0)
3361 dimension = CV_MAT_CN(cvGetElemType(points.v));
3363 // sequence case... don't think there is a sequence of 3d points,
3368 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3370 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3373 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args, PyObject *kw)
3376 PyObject *pyobj_hist = NULL;
3379 int min_loc[CV_MAX_DIM];
3380 int max_loc[CV_MAX_DIM];
3382 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3384 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3385 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3386 int d = cvGetDims(hist->bins);
3387 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3388 for (int i = 0; i < d; i++) {
3389 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3390 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3392 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3395 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3396 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3397 double hit_threshold=0, double scale=1.05,
3398 int group_threshold=2, CvSize padding=cvSize(0,0),
3399 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3400 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3401 int nbins=9, int gammaCorrection=1 )
3403 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3404 if(win_stride.width == 0 && win_stride.height == 0)
3405 win_stride = block_stride;
3406 cv::Mat img = cv::cvarrToMat(image);
3407 std::vector<cv::Rect> found;
3410 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3411 int sz = m->cols*m->rows;
3412 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3413 std::vector<float> w(sz);
3414 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3415 hog.setSVMDetector(w);
3418 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3419 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3420 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3422 cvSeqPushMulti(seq, &found[0], (int)found.size());
3426 static int zero = 0;
3428 /************************************************************************/
3429 /* Generated functions */
3431 #include "generated0.i"
3433 static PyMethodDef methods[] = {
3435 {"CreateHist", pycvCreateHist, METH_VARARGS, "CreateHist(dims, type, ranges, uniform = 1) -> hist"},
3436 {"CreateImage", pycvCreateImage, METH_VARARGS, "CreateImage(size, depth, channels) -> image"},
3437 {"CreateImageHeader", pycvCreateImageHeader, METH_VARARGS, "CreateImageHeader(size, depth, channels) -> image"},
3438 {"CreateMat", pycvCreateMat, METH_VARARGS, "CreateMat(row, cols, type) -> mat"},
3439 {"CreateMatHeader", pycvCreateMatHeader, METH_VARARGS, "CreateMatHeader(rows, cols, type) -> mat"},
3440 {"CreateMatND", pycvCreateMatND, METH_VARARGS, "CreateMatND(dims, type) -> matnd"},
3441 {"CreateMatNDHeader", pycvCreateMatNDHeader, METH_VARARGS, "CreateMatNDHeader(dims, type) -> matnd"},
3442 {"CreateMemStorage", pycvCreateMemStorage, METH_VARARGS, "CreateMemStorage(block_size) -> memstorage"},
3443 {"FindContours", (PyCFunction)pycvFindContours, METH_KEYWORDS, "FindContours(image, storage, mode=CV_RETR_LIST, method=CV_CHAIN_APPROX_SIMPLE, offset=(0, 0)) -> cvseq"},
3444 {"ApproxPoly", (PyCFunction)pycvApproxPoly, METH_KEYWORDS, "ApproxPoly(src_seq, storage, method, parameter=0, parameter2=0) -> None"},
3445 {"CreateData", pycvCreateData, METH_VARARGS, "CreateData(arr) -> None"},
3446 {"GetDims", pycvGetDims, METH_VARARGS, "GetDims(arr) -> dims"},
3447 {"GetImage", pycvGetImage, METH_VARARGS, "GetImage(cvmat) -> image"},
3448 {"GetMat", pycvGetMat, METH_VARARGS, "GetMat(image) -> cvmat"},
3449 {"Reshape", pycvReshape, METH_VARARGS, "Reshape(arr, new_cn, new_rows=0) -> cvmat"},
3450 {"InitLineIterator", pycvInitLineIterator, METH_VARARGS, "InitLineIterator(image, pt1, pt2, connectivity=8, left_to_right=0) -> None"},
3451 {"LoadImage", (PyCFunction)pycvLoadImage, METH_KEYWORDS, "LoadImage(filename, iscolor=CV_LOAD_IMAGE_COLOR)"},
3452 {"SetData", pycvSetData, METH_VARARGS, "SetData(arr, data, step)"},
3453 {"SetMouseCallback", (PyCFunction)pycvSetMouseCallback, METH_KEYWORDS, "SetMouseCallback(window_name, on_mouse, param) -> None"},
3454 {"CreateTrackbar", (PyCFunction)pycvCreateTrackbar, METH_KEYWORDS, "CreateTrackbar(trackbar_name, window_name, value, count, on_change) -> None"},
3455 {"CalcEMD2", (PyCFunction)pycvCalcEMD2, METH_KEYWORDS, "CalcEMD2(signature1, signature2, distance_type, distance_func = None, cost_matrix=None, flow=None, lower_bound=None, userdata = None) -> float"},
3456 {"FindChessboardCorners", (PyCFunction)pycvFindChessboardCorners, METH_KEYWORDS, "FindChessboardCorners(image, pattern_size, flags=CV_CALIB_CB_ADAPTIVE_THRESH) -> success,corners"},
3457 {"FitLine", (PyCFunction)pycvFitLine, METH_KEYWORDS, "FitLine(points, dist_type, param, reps, aeps) -> line"},
3458 {"Subdiv2DLocate", pycvSubdiv2DLocate, METH_VARARGS, "Subdiv2DLocate(subdiv, pt) -> (loc, where)"},
3459 {"CalcOpticalFlowPyrLK", pycvCalcOpticalFlowPyrLK, METH_VARARGS, "CalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, CvSize win_size, int level, criteria, flags, guesses = None) -> (curr_features, status, track_error)"},
3460 {"ClipLine", (PyCFunction)pycvClipLine, METH_KEYWORDS, "ClipLine(img, pt1, pt2) -> (clipped_pt1, clipped_pt2)"},
3461 {"GetHuMoments", (PyCFunction)pycvGetHuMoments, METH_KEYWORDS, "GetHuMoments(cvmoments) -> (h1, h2, h3, h4, h5, h5, h7)"},
3462 {"GetMinMaxHistValue", (PyCFunction)pycvGetMinMaxHistValue, METH_KEYWORDS, "GetMinMaxHistValue(hist) -> min_val,max_val,min_loc,max_loc"},
3463 {"WaitKey", (PyCFunction)pycvWaitKey, METH_KEYWORDS, "WaitKey(delay=0) -> int"},
3464 //{"CalcOpticalFlowFarneback", (PyCFunction)pycvCalcOpticalFlowFarneback, METH_KEYWORDS, "CalcOpticalFlowFarneback(prev, next, flow, pyr_scale=0.5, levels=3, win_size=15, iterations=3, poly_n=7, poly_sigma=1.5, flags=0) -> None"},
3465 //{"_HOGComputeDescriptors", (PyCFunction)pycvHOGComputeDescriptors, METH_KEYWORDS, "_HOGComputeDescriptors(image, win_stride=block_stride, locations=None, padding=(0,0), win_size=(64,128), block_size=(16,16), block_stride=(8,8), cell_size=(8,8), nbins=9, gammaCorrection=true) -> list_of_descriptors"},
3466 //{"_HOGDetect", (PyCFunction)pycvHOGDetect, METH_KEYWORDS, "_HOGDetect(image, svm_classifier, win_stride=block_stride, locations=None, padding=(0,0), win_size=(64,128), block_size=(16,16), block_stride=(8,8), cell_size=(8,8), nbins=9, gammaCorrection=true) -> list_of_points"},
3467 //{"_HOGDetectMultiScale", (PyCFunction)pycvHOGDetectMultiScale, METH_KEYWORDS, "_HOGDetectMultiScale(image, svm_classifier, win_stride=block_stride, scale=1.05, group_threshold=2, padding=(0,0), win_size=(64,128), block_size=(16,16), block_stride=(8,8), cell_size=(8,8), nbins=9, gammaCorrection=true) -> list_of_points"},
3469 {"temp_test", temp_test, METH_VARARGS},
3471 #include "generated1.i"
3476 /************************************************************************/
3479 static int to_ok(PyTypeObject *to)
3481 to->tp_alloc = PyType_GenericAlloc;
3482 to->tp_new = PyType_GenericNew;
3483 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3484 return (PyType_Ready(to) == 0);
3487 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3490 #if defined WIN32 || defined _WIN32
3491 __declspec(dllexport)
3497 cvSetErrMode(CV_ErrModeParent);
3500 MKTYPE(cvcontourtree);
3502 MKTYPE(cvhaarclassifiercascade);
3503 MKTYPE(cvhistogram);
3504 MKTYPE(cvlineiterator);
3507 MKTYPE(cvmemstorage);
3509 MKTYPE(cvpositobject);
3510 MKTYPE(cvsubdiv2dedge);
3515 MKTYPE(cvsubdiv2dpoint);
3516 MKTYPE(cvvideowriter);
3517 MKTYPE(iplconvkernel);
3520 m = Py_InitModule(MODULESTR"", methods);
3521 d = PyModule_GetDict(m);
3523 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3524 PyDict_SetItemString(d, "error", opencv_error);
3526 PyDict_SetItemString(d, "iplimage", (PyObject*)&iplimage_Type);
3527 PyDict_SetItemString(d, "cvmat", (PyObject*)&cvmat_Type);
3529 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3531 PUBLISH(IPL_DEPTH_8U);
3532 PUBLISH(IPL_DEPTH_8S);
3533 PUBLISH(IPL_DEPTH_16U);
3534 PUBLISH(IPL_DEPTH_16S);
3535 PUBLISH(IPL_DEPTH_32S);
3536 PUBLISH(IPL_DEPTH_32F);
3537 PUBLISH(IPL_DEPTH_64F);
3538 PUBLISH(CV_LOAD_IMAGE_COLOR);
3539 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3540 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3541 PUBLISH(CV_HIST_ARRAY);
3542 PUBLISH(CV_HIST_SPARSE);
3571 PUBLISH(CV_NEXT_AROUND_ORG);
3572 PUBLISH(CV_NEXT_AROUND_DST);
3573 PUBLISH(CV_PREV_AROUND_ORG);
3574 PUBLISH(CV_PREV_AROUND_DST);
3575 PUBLISH(CV_NEXT_AROUND_LEFT);
3576 PUBLISH(CV_NEXT_AROUND_RIGHT);
3577 PUBLISH(CV_PREV_AROUND_LEFT);
3578 PUBLISH(CV_PREV_AROUND_RIGHT);
3580 PUBLISH(CV_WINDOW_AUTOSIZE);
3582 PUBLISH(CV_PTLOC_INSIDE);
3583 PUBLISH(CV_PTLOC_ON_EDGE);
3584 PUBLISH(CV_PTLOC_VERTEX);
3585 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3587 #include "generated2.i"
3591 int sizes[] = { 10 } ;
3592 float ranges[] = { 0.0, 1.0 };
3593 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3596 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3597 printf("h->type = %08x\n", h->type);
3598 printf("h->bins = %p\n", h->bins);
3599 printf("h->mat = %p\n", &(h->mat));