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;
42 struct cvhistogram_t {
48 struct cvmemstorage_t {
56 PyObject *container; // Containing cvmemstorage_t
62 PyObject *container; // Containing cvmemstorage_t
69 PyObject *container; // Containing cvmemstorage_t
72 struct cvsubdiv2dpoint_t {
75 PyObject *container; // Containing cvmemstorage_t
78 struct cvsubdiv2dedge_t {
81 PyObject *container; // Containing cvmemstorage_t
84 struct cvlineiterator_t {
91 struct iplconvkernel_t {
101 struct cvvideowriter_t {
106 typedef IplImage ROIplImage;
118 struct cvhaarclassifiercascade_t {
120 CvHaarClassifierCascade *a;
123 struct cvcontourtree_t {
128 struct cvpositobject_t {
138 static int is_iplimage(PyObject *o);
139 static int is_cvmat(PyObject *o);
140 static int is_cvmatnd(PyObject *o);
141 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name = "no_name");
142 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name = "no_name");
143 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name = "no_name");
144 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name = "no_name");
145 static PyObject *what_data(PyObject *o);
147 static void translate_error_to_exception(void)
149 PyErr_SetString(opencv_error, cvErrorStr(cvGetErrStatus()));
153 #define ERRCHK do { if (cvGetErrStatus() != 0) { translate_error_to_exception(); return NULL; } } while (0)
160 catch (const cv::Exception &e) \
162 PyErr_SetString(opencv_error, e.err.c_str()); \
168 /************************************************************************/
170 static int failmsg(const char *fmt, ...)
176 vsnprintf(str, sizeof(str), fmt, ap);
179 PyErr_SetString(PyExc_TypeError, str);
183 /************************************************************************/
185 /* These get/setters are polymorphic, used in both iplimage and cvmat */
187 static PyObject *PyObject_FromCvScalar(CvScalar s, int type)
189 int i, spe = CV_MAT_CN(type);
192 r = PyTuple_New(spe);
193 for (i = 0; i < spe; i++)
194 PyTuple_SET_ITEM(r, i, PyFloat_FromDouble(s.val[i]));
196 r = PyFloat_FromDouble(s.val[0]);
201 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key);
202 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v);
204 // o is a Python string or buffer object. Return its size.
206 static Py_ssize_t what_size(PyObject *o)
209 Py_ssize_t buffer_len;
211 if (PyString_Check(o)) {
212 return PyString_Size(o);
213 } else if (PyObject_AsWriteBuffer(o, &buffer, &buffer_len) == 0) {
216 assert(0); // argument must be string or buffer.
222 /************************************************************************/
226 static void iplimage_dealloc(PyObject *self)
228 iplimage_t *pc = (iplimage_t*)self;
229 cvReleaseImageHeader((IplImage**)&pc->a);
234 static PyObject *iplimage_repr(PyObject *self)
236 iplimage_t *cva = (iplimage_t*)self;
237 IplImage* ipl = (IplImage*)(cva->a);
239 sprintf(str, "<iplimage(");
240 char *d = str + strlen(str);
241 sprintf(d, "nChannels=%d ", ipl->nChannels);
243 sprintf(d, "width=%d ", ipl->width);
245 sprintf(d, "height=%d ", ipl->height);
247 sprintf(d, "widthStep=%d ", ipl->widthStep);
250 return PyString_FromString(str);
253 static PyObject *iplimage_tostring(PyObject *self, PyObject *args)
255 iplimage_t *pc = (iplimage_t*)self;
257 if (!convert_to_IplImage(self, &i, "self"))
279 return (PyObject*)failmsg("Unrecognised depth %d", i->depth);
281 int bpl = i->width * i->nChannels * bps;
282 if (PyString_Check(pc->data) && bpl == i->widthStep && pc->offset == 0 && ((bpl * i->height) == what_size(pc->data))) {
286 int l = bpl * i->height;
287 char *s = new char[l];
289 for (y = 0; y < i->height; y++) {
290 memcpy(s + y * bpl, i->imageData + y * i->widthStep, bpl);
292 PyObject *r = PyString_FromStringAndSize(s, l);
298 static struct PyMethodDef iplimage_methods[] =
300 {"tostring", iplimage_tostring, METH_VARARGS},
304 static PyObject *iplimage_getnChannels(iplimage_t *cva)
306 return PyInt_FromLong(((IplImage*)(cva->a))->nChannels);
308 static PyObject *iplimage_getwidth(iplimage_t *cva)
310 return PyInt_FromLong(((IplImage*)(cva->a))->width);
312 static PyObject *iplimage_getheight(iplimage_t *cva)
314 return PyInt_FromLong(((IplImage*)(cva->a))->height);
316 static PyObject *iplimage_getdepth(iplimage_t *cva)
318 return PyLong_FromUnsignedLong((unsigned)((IplImage*)(cva->a))->depth);
320 static PyObject *iplimage_getorigin(iplimage_t *cva)
322 return PyInt_FromLong(((IplImage*)(cva->a))->origin);
324 static void iplimage_setorigin(iplimage_t *cva, PyObject *v)
326 ((IplImage*)(cva->a))->origin = PyInt_AsLong(v);
329 static PyGetSetDef iplimage_getseters[] = {
330 {(char*)"nChannels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
331 {(char*)"width", (getter)iplimage_getwidth, (setter)NULL, (char*)"width", NULL},
332 {(char*)"height", (getter)iplimage_getheight, (setter)NULL, (char*)"height", NULL},
333 {(char*)"depth", (getter)iplimage_getdepth, (setter)NULL, (char*)"depth", NULL},
334 {(char*)"origin", (getter)iplimage_getorigin, (setter)iplimage_setorigin, (char*)"origin", NULL},
335 {NULL} /* Sentinel */
338 static PyMappingMethods iplimage_as_map = {
344 static PyTypeObject iplimage_Type = {
345 PyObject_HEAD_INIT(&PyType_Type)
347 MODULESTR".iplimage", /*name*/
348 sizeof(iplimage_t), /*basicsize*/
351 static void iplimage_specials(void)
353 iplimage_Type.tp_dealloc = iplimage_dealloc;
354 iplimage_Type.tp_as_mapping = &iplimage_as_map;
355 iplimage_Type.tp_repr = iplimage_repr;
356 iplimage_Type.tp_methods = iplimage_methods;
357 iplimage_Type.tp_getset = iplimage_getseters;
360 static int is_iplimage(PyObject *o)
362 return PyType_IsSubtype(o->ob_type, &iplimage_Type);
365 /************************************************************************/
369 static void cvmat_dealloc(PyObject *self)
371 cvmat_t *pc = (cvmat_t*)self;
373 cvFree((void**)&pc->a);
377 static PyObject *cvmat_repr(PyObject *self)
379 CvMat *m = ((cvmat_t*)self)->a;
381 sprintf(str, "<cvmat(");
382 char *d = str + strlen(str);
383 sprintf(d, "type=%08x ", m->type);
385 sprintf(d, "rows=%d ", m->rows);
387 sprintf(d, "cols=%d ", m->cols);
389 sprintf(d, "step=%d ", m->step);
392 return PyString_FromString(str);
395 static PyObject *cvmat_tostring(PyObject *self, PyObject *args)
398 if (!convert_to_CvMat(self, &m, "self"))
401 int bps; // bytes per sample
403 switch (CV_MAT_DEPTH(m->type)) {
406 bps = CV_MAT_CN(m->type) * 1;
410 bps = CV_MAT_CN(m->type) * 2;
414 bps = CV_MAT_CN(m->type) * 4;
417 bps = CV_MAT_CN(m->type) * 8;
420 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
423 int bpl = m->cols * bps; // bytes per line
424 cvmat_t *pc = (cvmat_t*)self;
425 if (PyString_Check(pc->data) && bpl == m->step && pc->offset == 0 && ((bpl * m->rows) == what_size(pc->data))) {
429 int l = bpl * m->rows;
430 char *s = new char[l];
432 for (y = 0; y < m->rows; y++) {
433 memcpy(s + y * bpl, m->data.ptr + y * m->step, bpl);
435 PyObject *r = PyString_FromStringAndSize(s, l);
441 static struct PyMethodDef cvmat_methods[] =
443 {"tostring", cvmat_tostring, METH_VARARGS},
447 static PyObject *cvmat_gettype(cvmat_t *cva)
449 return PyInt_FromLong(cvGetElemType(cva->a));
452 static PyObject *cvmat_getstep(cvmat_t *cva)
454 return PyInt_FromLong(cva->a->step);
457 static PyObject *cvmat_getrows(cvmat_t *cva)
459 return PyInt_FromLong(cva->a->rows);
462 static PyObject *cvmat_getcols(cvmat_t *cva)
464 return PyInt_FromLong(cva->a->cols);
467 static PyGetSetDef cvmat_getseters[] = {
468 {(char*)"type", (getter)cvmat_gettype, (setter)NULL, (char*)"type", NULL},
469 {(char*)"step", (getter)cvmat_getstep, (setter)NULL, (char*)"step", NULL},
470 {(char*)"rows", (getter)cvmat_getrows, (setter)NULL, (char*)"rows", NULL},
471 {(char*)"cols", (getter)cvmat_getcols, (setter)NULL, (char*)"cols", NULL},
472 {(char*)"width", (getter)cvmat_getcols, (setter)NULL, (char*)"width", NULL},
473 {(char*)"height", (getter)cvmat_getrows, (setter)NULL, (char*)"height", NULL},
474 {NULL} /* Sentinel */
477 static PyMappingMethods cvmat_as_map = {
483 static PyTypeObject cvmat_Type = {
484 PyObject_HEAD_INIT(&PyType_Type)
486 MODULESTR".cvmat", /*name*/
487 sizeof(cvmat_t), /*basicsize*/
490 static void cvmat_specials(void)
492 cvmat_Type.tp_dealloc = cvmat_dealloc;
493 cvmat_Type.tp_as_mapping = &cvmat_as_map;
494 cvmat_Type.tp_repr = cvmat_repr;
495 cvmat_Type.tp_methods = cvmat_methods;
496 cvmat_Type.tp_getset = cvmat_getseters;
499 static int is_cvmat(PyObject *o)
501 return PyType_IsSubtype(o->ob_type, &cvmat_Type);
504 /************************************************************************/
508 static void cvmatnd_dealloc(PyObject *self)
510 cvmatnd_t *pc = (cvmatnd_t*)self;
515 static PyObject *cvmatnd_repr(PyObject *self)
517 CvMatND *m = ((cvmatnd_t*)self)->a;
519 sprintf(str, "<cvmatnd(");
520 char *d = str + strlen(str);
521 sprintf(d, "type=%08x ", m->type);
524 return PyString_FromString(str);
527 static size_t cvmatnd_size(CvMatND *m)
530 switch (CV_MAT_DEPTH(m->type)) {
533 bps = CV_MAT_CN(m->type) * 1;
537 bps = CV_MAT_CN(m->type) * 2;
541 bps = CV_MAT_CN(m->type) * 4;
544 bps = CV_MAT_CN(m->type) * 8;
550 for (int d = 0; d < m->dims; d++) {
556 static PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
559 if (!convert_to_CvMatND(self, &m, "self"))
563 switch (CV_MAT_DEPTH(m->type)) {
566 bps = CV_MAT_CN(m->type) * 1;
570 bps = CV_MAT_CN(m->type) * 2;
574 bps = CV_MAT_CN(m->type) * 4;
577 bps = CV_MAT_CN(m->type) * 8;
580 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
584 for (int d = 0; d < m->dims; d++) {
589 for (d = 0; d < m->dims; d++) {
592 int rowsize = m->dim[m->dims-1].size * bps;
593 char *s = new char[l];
598 memcpy(ps, cvPtrND(m, i), rowsize);
600 for (d = m->dims - 2; 0 <= d; d--) {
601 if (++i[d] < cvGetDimSize(m, d)) {
611 return PyString_FromStringAndSize(s, ps - s);
614 static struct PyMethodDef cvmatnd_methods[] =
616 {"tostring", cvmatnd_tostring, METH_VARARGS},
620 static PyMappingMethods cvmatnd_as_map = {
626 static PyTypeObject cvmatnd_Type = {
627 PyObject_HEAD_INIT(&PyType_Type)
629 MODULESTR".cvmatnd", /*name*/
630 sizeof(cvmatnd_t), /*basicsize*/
633 static void cvmatnd_specials(void)
635 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
636 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
637 cvmatnd_Type.tp_repr = cvmatnd_repr;
638 cvmatnd_Type.tp_methods = cvmatnd_methods;
641 static int is_cvmatnd(PyObject *o)
643 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
646 /************************************************************************/
650 static void cvhistogram_dealloc(PyObject *self)
652 cvhistogram_t *cvh = (cvhistogram_t*)self;
653 Py_DECREF(cvh->bins);
657 static PyTypeObject cvhistogram_Type = {
658 PyObject_HEAD_INIT(&PyType_Type)
660 MODULESTR".cvhistogram", /*name*/
661 sizeof(cvhistogram_t), /*basicsize*/
664 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
666 Py_INCREF(cvh->bins);
670 static PyGetSetDef cvhistogram_getseters[] = {
671 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
672 {NULL} /* Sentinel */
675 static void cvhistogram_specials(void)
677 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
678 cvhistogram_Type.tp_getset = cvhistogram_getseters;
681 /************************************************************************/
685 static PyObject *cvlineiterator_iter(PyObject *o)
691 static PyObject *cvlineiterator_next(PyObject *o)
693 cvlineiterator_t *pi = (cvlineiterator_t*)o;
699 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
700 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
702 CV_NEXT_LINE_POINT(pi->iter);
710 static PyTypeObject cvlineiterator_Type = {
711 PyObject_HEAD_INIT(&PyType_Type)
713 MODULESTR".cvlineiterator", /*name*/
714 sizeof(cvlineiterator_t), /*basicsize*/
717 static void cvlineiterator_specials(void)
719 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
720 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
723 /************************************************************************/
727 static void memtrack_dealloc(PyObject *self)
729 memtrack_t *pi = (memtrack_t*)self;
730 // printf("===> memtrack_dealloc %p!\n", pi->ptr);
735 static PyTypeObject memtrack_Type = {
736 PyObject_HEAD_INIT(&PyType_Type)
738 MODULESTR".memtrack", /*name*/
739 sizeof(memtrack_t), /*basicsize*/
742 Py_ssize_t memtrack_getreadbuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
744 *ptrptr = &((memtrack_t*)self)->ptr;
745 return ((memtrack_t*)self)->size;
748 Py_ssize_t memtrack_getwritebuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
750 *ptrptr = ((memtrack_t*)self)->ptr;
751 return ((memtrack_t*)self)->size;
754 Py_ssize_t memtrack_getsegcount(PyObject *self, Py_ssize_t *lenp)
756 return (Py_ssize_t)1;
759 PyBufferProcs memtrack_as_buffer = {
760 memtrack_getreadbuffer,
761 memtrack_getwritebuffer,
765 static void memtrack_specials(void)
767 memtrack_Type.tp_dealloc = memtrack_dealloc;
768 memtrack_Type.tp_as_buffer = &memtrack_as_buffer;
771 /************************************************************************/
775 static void iplconvkernel_dealloc(PyObject *self)
777 iplconvkernel_t *pi = (iplconvkernel_t*)self;
778 cvReleaseStructuringElement(&(pi->a));
782 static PyTypeObject iplconvkernel_Type = {
783 PyObject_HEAD_INIT(&PyType_Type)
785 MODULESTR".iplconvkernel", /*name*/
786 sizeof(iplconvkernel_t), /*basicsize*/
789 static void iplconvkernel_specials(void)
791 iplconvkernel_Type.tp_dealloc = iplconvkernel_dealloc;
794 /************************************************************************/
798 static void cvcapture_dealloc(PyObject *self)
800 cvcapture_t *pi = (cvcapture_t*)self;
801 cvReleaseCapture(&(pi->a));
805 static PyTypeObject cvcapture_Type = {
806 PyObject_HEAD_INIT(&PyType_Type)
808 MODULESTR".cvcapture", /*name*/
809 sizeof(cvcapture_t), /*basicsize*/
812 static void cvcapture_specials(void)
814 cvcapture_Type.tp_dealloc = cvcapture_dealloc;
817 /************************************************************************/
821 static void cvvideowriter_dealloc(PyObject *self)
823 cvvideowriter_t *pi = (cvvideowriter_t*)self;
824 cvReleaseVideoWriter(&(pi->a));
828 static PyTypeObject cvvideowriter_Type = {
829 PyObject_HEAD_INIT(&PyType_Type)
831 MODULESTR".cvvideowriter", /*name*/
832 sizeof(cvvideowriter_t), /*basicsize*/
835 static void cvvideowriter_specials(void)
837 cvvideowriter_Type.tp_dealloc = cvvideowriter_dealloc;
842 /************************************************************************/
846 static PyTypeObject cvmoments_Type = {
847 PyObject_HEAD_INIT(&PyType_Type)
849 MODULESTR".cvmoments", /*name*/
850 sizeof(cvmoments_t), /*basicsize*/
853 static void cvmoments_specials(void)
857 /************************************************************************/
861 static void cvmemstorage_dealloc(PyObject *self)
863 cvmemstorage_t *ps = (cvmemstorage_t*)self;
864 cvReleaseMemStorage(&(ps->a));
868 static PyTypeObject cvmemstorage_Type = {
869 PyObject_HEAD_INIT(&PyType_Type)
871 MODULESTR".cvmemstorage", /*name*/
872 sizeof(cvmemstorage_t), /*basicsize*/
875 static void cvmemstorage_specials(void)
877 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
880 /************************************************************************/
884 static PyTypeObject cvfont_Type = {
885 PyObject_HEAD_INIT(&PyType_Type)
887 MODULESTR".cvfont", /*name*/
888 sizeof(cvfont_t), /*basicsize*/
891 static void cvfont_specials(void) { }
893 /************************************************************************/
897 static void cvpositobject_dealloc(PyObject *self)
899 cvpositobject_t *pi = (cvpositobject_t*)self;
900 cvReleasePOSITObject(&(pi->a));
904 static PyTypeObject cvpositobject_Type = {
905 PyObject_HEAD_INIT(&PyType_Type)
907 MODULESTR".cvpositobject", /*name*/
908 sizeof(cvpositobject_t), /*basicsize*/
911 static void cvpositobject_specials(void)
913 cvpositobject_Type.tp_dealloc = cvpositobject_dealloc;
916 /************************************************************************/
920 static PyTypeObject cvrng_Type = {
921 PyObject_HEAD_INIT(&PyType_Type)
923 MODULESTR".cvrng", /*name*/
924 sizeof(cvrng_t), /*basicsize*/
927 static void cvrng_specials(void)
931 /************************************************************************/
933 /* cvhaarclassifiercascade */
935 static PyTypeObject cvhaarclassifiercascade_Type = {
936 PyObject_HEAD_INIT(&PyType_Type)
938 MODULESTR".cvhaarclassifiercascade", /*name*/
939 sizeof(cvhaarclassifiercascade_t), /*basicsize*/
942 static void cvhaarclassifiercascade_specials(void) { }
944 /************************************************************************/
948 static PyTypeObject cvcontourtree_Type = {
949 PyObject_HEAD_INIT(&PyType_Type)
951 MODULESTR".cvcontourtree", /*name*/
952 sizeof(cvcontourtree_t), /*basicsize*/
955 static void cvcontourtree_specials(void) { }
958 /************************************************************************/
962 static PyTypeObject cvsubdiv2dedge_Type = {
963 PyObject_HEAD_INIT(&PyType_Type)
965 MODULESTR".cvsubdiv2dedge", /*name*/
966 sizeof(cvsubdiv2dedge_t), /*basicsize*/
969 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
971 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
972 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
975 else if (e1->a > e2->a)
981 static PyObject *cvquadedge_repr(PyObject *self)
983 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
985 sprintf(str, "<cvsubdiv2dedge(");
986 char *d = str + strlen(str);
987 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
990 return PyString_FromString(str);
993 static void cvsubdiv2dedge_specials(void) {
994 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
995 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
998 /************************************************************************/
1002 static void cvseq_dealloc(PyObject *self)
1004 cvseq_t *ps = (cvseq_t*)self;
1005 Py_DECREF(ps->container);
1009 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
1010 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
1011 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
1012 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
1014 static struct PyMethodDef cvseq_methods[] =
1016 {"h_next", cvseq_h_next, METH_VARARGS},
1017 {"h_prev", cvseq_h_prev, METH_VARARGS},
1018 {"v_next", cvseq_v_next, METH_VARARGS},
1019 {"v_prev", cvseq_v_prev, METH_VARARGS},
1023 static Py_ssize_t cvseq_seq_length(PyObject *o)
1025 cvseq_t *ps = (cvseq_t*)o;
1026 return (Py_ssize_t)(ps->a->total);
1029 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
1031 cvseq_t *ps = (cvseq_t*)o;
1039 if (i < (Py_ssize_t)(ps->a->total)) {
1040 switch (CV_SEQ_ELTYPE(ps->a)) {
1042 case CV_SEQ_ELTYPE_POINT:
1043 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
1044 return Py_BuildValue("ii", pt->x, pt->y);
1046 case CV_SEQ_ELTYPE_GENERIC:
1047 switch (ps->a->elem_size) {
1048 case sizeof(CvQuadEdge2D):
1050 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1051 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
1052 r->container = ps->container;
1053 Py_INCREF(r->container);
1054 return (PyObject*)r;
1057 printf("seq elem size is %d\n", ps->a->elem_size);
1058 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
1061 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
1063 case CV_SEQ_ELTYPE_PTR:
1064 case CV_SEQ_ELTYPE_INDEX:
1065 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
1068 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
1069 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
1072 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
1073 return Py_BuildValue("ff", pt2->x, pt2->y);
1075 case CV_SEQ_ELTYPE_POINT3D:
1076 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
1077 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
1080 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1088 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1090 cvseq_t *ps = (cvseq_t*)o;
1091 if (PyInt_Check(item)) {
1092 long i = PyInt_AS_LONG(item);
1095 return cvseq_seq_getitem(o, i);
1096 } else if (PySlice_Check(item)) {
1097 Py_ssize_t start, stop, step, slicelength, cur, i;
1100 if (PySlice_GetIndicesEx((PySliceObject*)item, ps->a->total,
1101 &start, &stop, &step, &slicelength) < 0) {
1105 if (slicelength <= 0) {
1106 return PyList_New(0);
1108 result = PyList_New(slicelength);
1109 if (!result) return NULL;
1111 for (cur = start, i = 0; i < slicelength;
1113 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1119 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1125 PySequenceMethods cvseq_sequence = {
1132 static PyMappingMethods cvseq_mapping = {
1138 static PyTypeObject cvseq_Type = {
1139 PyObject_HEAD_INIT(&PyType_Type)
1141 MODULESTR".cvseq", /*name*/
1142 sizeof(cvseq_t), /*basicsize*/
1145 static void cvseq_specials(void)
1147 cvseq_Type.tp_dealloc = cvseq_dealloc;
1148 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1149 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1150 cvseq_Type.tp_methods = cvseq_methods;
1153 #define MK_ACCESSOR(FIELD) \
1154 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1156 cvseq_t *ps = (cvseq_t*)self; \
1158 if (s->FIELD == NULL) { \
1161 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1163 r->container = ps->container; \
1164 Py_INCREF(r->container); \
1165 return (PyObject*)r; \
1175 /************************************************************************/
1179 static void cvset_dealloc(PyObject *self)
1181 cvset_t *ps = (cvset_t*)self;
1182 Py_DECREF(ps->container);
1186 static PyTypeObject cvset_Type = {
1187 PyObject_HEAD_INIT(&PyType_Type)
1189 MODULESTR".cvset", /*name*/
1190 sizeof(cvset_t), /*basicsize*/
1193 static PyObject *cvset_iter(PyObject *o)
1196 cvset_t *ps = (cvset_t*)o;
1201 static PyObject *cvset_next(PyObject *o)
1203 cvset_t *ps = (cvset_t*)o;
1205 while (ps->i < ps->a->total) {
1206 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1207 int prev_i = ps->i++;
1209 return cvseq_seq_getitem(o, prev_i);
1215 static void cvset_specials(void)
1217 cvset_Type.tp_dealloc = cvset_dealloc;
1218 cvset_Type.tp_iter = cvset_iter;
1219 cvset_Type.tp_iternext = cvset_next;
1222 /************************************************************************/
1226 static PyTypeObject cvsubdiv2d_Type = {
1227 PyObject_HEAD_INIT(&PyType_Type)
1229 MODULESTR".cvsubdiv2d", /*name*/
1230 sizeof(cvsubdiv2d_t), /*basicsize*/
1233 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1235 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1236 if (strcmp(PyString_AsString(name), "edges") == 0) {
1237 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1239 r->container = p->container;
1240 Py_INCREF(r->container);
1241 return (PyObject*)r;
1243 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1248 static void cvsubdiv2d_specials(void)
1250 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1253 /************************************************************************/
1255 /* cvsubdiv2dpoint */
1257 static PyTypeObject cvsubdiv2dpoint_Type = {
1258 PyObject_HEAD_INIT(&PyType_Type)
1260 MODULESTR".cvsubdiv2dpoint", /*name*/
1261 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1264 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1266 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1267 if (strcmp(PyString_AsString(name), "first") == 0) {
1268 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1270 r->container = p->container;
1271 Py_INCREF(r->container);
1272 return (PyObject*)r;
1273 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1274 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1276 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1281 static void cvsubdiv2dpoint_specials(void)
1283 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1286 /************************************************************************/
1287 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1289 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1291 if (PyString_Check(o) && PyString_Size(o) == 1) {
1292 *dst = PyString_AsString(o)[0];
1296 return failmsg("Expected single character string for argument '%s'", name);
1300 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1302 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1303 (*dst) = (((cvmemstorage_t*)o)->a);
1306 (*dst) = (CvMemStorage*)NULL;
1307 return failmsg("Expected CvMemStorage for argument '%s'", name);
1311 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1313 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1314 (*dst) = (((cvseq_t*)o)->a);
1317 (*dst) = (CvSeq*)NULL;
1318 return failmsg("Expected CvSeq for argument '%s'", name);
1322 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1324 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1325 return failmsg("CvSize argument '%s' expects two integers", name);
1330 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1332 if (PySequence_Check(o)) {
1333 PyObject *fi = PySequence_Fast(o, name);
1336 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1337 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1338 if (PyNumber_Check(item))
1339 s->val[i] = PyFloat_AsDouble(item);
1341 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1345 if (PyNumber_Check(o)) {
1346 s->val[0] = PyFloat_AsDouble(o);
1348 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1354 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1356 if (!PySequence_Check(o))
1357 return failmsg("Expected sequence for point list argument '%s'", name);
1358 PyObject *fi = PySequence_Fast(o, name);
1361 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1362 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1363 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1364 if (!PyTuple_Check(item))
1365 return failmsg("Expected tuple for element in point list argument '%s'", name);
1366 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1374 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1376 PyObject *fi = PySequence_Fast(o, name);
1379 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1380 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1381 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1382 if (!PyTuple_Check(item))
1383 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1384 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1392 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1394 PyObject *fi = PySequence_Fast(o, name);
1397 *p = new CvPoint3D32f[PySequence_Fast_GET_SIZE(fi)];
1398 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1399 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1400 if (!PyTuple_Check(item))
1401 return failmsg("Expected tuple for CvPoint3D32f argument '%s'", name);
1402 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1410 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1412 if (!PyArg_ParseTuple(o,
1415 &dst->responseThreshold,
1416 &dst->lineThresholdProjected,
1417 &dst->lineThresholdBinarized,
1418 &dst->suppressNonmaxSize))
1419 return failmsg("CvRect argument '%s' expects four integers", name);
1424 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1426 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1427 return failmsg("CvRect argument '%s' expects four integers", name);
1432 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1435 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1436 return failmsg("CvRect argument '%s' expects four integers", name);
1441 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1443 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1444 return failmsg("CvSlice argument '%s' expects two integers", name);
1449 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1451 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1452 return failmsg("CvPoint argument '%s' expects two integers", name);
1457 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1459 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1460 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1465 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1467 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1468 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1473 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1475 iplimage_t *ipl = (iplimage_t*)o;
1477 Py_ssize_t buffer_len;
1479 if (!is_iplimage(o)) {
1480 return failmsg("Argument '%s' must be IplImage", name);
1481 } else if (PyString_Check(ipl->data)) {
1482 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1483 assert(cvGetErrStatus() == 0);
1486 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1487 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1488 assert(cvGetErrStatus() == 0);
1492 return failmsg("IplImage argument '%s' has no data", name);
1496 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1498 cvmat_t *m = (cvmat_t*)o;
1500 Py_ssize_t buffer_len;
1503 return failmsg("Argument '%s' must be CvMat", name);
1505 m->a->refcount = NULL;
1506 if (m->data && PyString_Check(m->data)) {
1507 assert(cvGetErrStatus() == 0);
1508 char *ptr = PyString_AsString(m->data) + m->offset;
1509 cvSetData(m->a, ptr, m->a->step);
1510 assert(cvGetErrStatus() == 0);
1513 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1514 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1515 assert(cvGetErrStatus() == 0);
1519 return failmsg("CvMat argument '%s' has no data", name);
1524 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1526 cvmatnd_t *m = (cvmatnd_t*)o;
1528 Py_ssize_t buffer_len;
1530 if (!is_cvmatnd(o)) {
1531 return failmsg("Argument '%s' must be CvMatND", name);
1532 } else if (m->data && PyString_Check(m->data)) {
1533 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1536 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1537 m->a->data.ptr = ((uchar*)buffer + m->offset);
1541 return failmsg("CvMatND argument '%s' has no data", name);
1545 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1550 } else if (is_iplimage(o)) {
1551 return convert_to_IplImage(o, (IplImage**)dst, name);
1552 } else if (is_cvmat(o)) {
1553 return convert_to_CvMat(o, (CvMat**)dst, name);
1554 } else if (is_cvmatnd(o)) {
1555 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1557 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1561 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1563 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1564 cvhistogram_t *ht = (cvhistogram_t*)o;
1566 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1568 *dst = (CvHistogram *)NULL;
1569 return failmsg("Expected CvHistogram for argument '%s'", name);
1573 // Used by FillPoly, FillConvexPoly, PolyLine
1574 struct pts_npts_contours {
1580 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1582 PyObject *fi = PySequence_Fast(o, name);
1585 dst->contours = PySequence_Fast_GET_SIZE(fi);
1586 dst->pts = new CvPoint*[dst->contours];
1587 dst->npts = new int[dst->contours];
1588 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1589 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1591 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1601 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1603 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1604 return convert_to_CvSeq(o, (CvSeq**)&(dst->v), name);
1605 } else if (PySequence_Check(o)) {
1606 PyObject *fi = PySequence_Fast(o, name);
1609 Py_ssize_t size = -1;
1610 // Make a pass through the sequence, checking that each element is
1611 // a sequence and that they are all the same size
1612 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1613 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1615 if (!PySequence_Check(e))
1616 return failmsg("Sequence '%s' must contain sequences", name);
1618 size = (int)PySequence_Size(e);
1619 else if (size != PySequence_Size(e))
1620 return failmsg("All elements of sequence '%s' must be same size", name);
1623 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1624 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1625 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1626 PyObject *fe = PySequence_Fast(e, name);
1628 int *pdst = (int*)cvPtr2D(mt, i, 0);
1629 for (Py_ssize_t j = 0; j < size; j++) {
1630 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1638 return convert_to_CvArr(o, (CvArr**)&(dst->v), name);
1642 struct cvarr_count {
1647 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1649 PyObject *fi = PySequence_Fast(o, name);
1652 dst->count = PySequence_Fast_GET_SIZE(fi);
1653 dst->cvarr = new CvArr*[dst->count];
1654 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1655 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1668 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1670 PyObject *fi = PySequence_Fast(o, name);
1673 dst->count = PySequence_Fast_GET_SIZE(fi);
1674 dst->pairs = new int[2 * dst->count];
1675 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1676 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1677 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1685 struct cvpoint2d32f_count {
1686 CvPoint2D32f* points;
1690 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1692 if (PyInt_Check(o)) {
1693 dst->count = PyInt_AsLong(o);
1694 dst->points = new CvPoint2D32f[dst->count];
1697 return failmsg("Expected integer for CvPoint2D32f count");
1705 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1707 PyObject *fi = PySequence_Fast(o, name);
1710 dst->count = PySequence_Fast_GET_SIZE(fi);
1711 dst->f = new float[dst->count];
1712 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1713 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1714 dst->f[i] = (float)PyFloat_AsDouble(item);
1724 /// convert_to_chars not used
1730 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1732 PyObject *fi = PySequence_Fast(o, name);
1735 dst->count = PySequence_Fast_GET_SIZE(fi);
1736 dst->p = new CvPoint[dst->count];
1737 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1738 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1739 convert_to_CvPoint(item, &dst->p[i], name);
1745 struct CvPoint3D32fs {
1749 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1751 PyObject *fi = PySequence_Fast(o, name);
1754 dst->count = PySequence_Fast_GET_SIZE(fi);
1755 dst->p = new CvPoint3D32f[dst->count];
1756 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1757 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1758 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1764 struct CvPoint2D32fs {
1768 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1770 PyObject *fi = PySequence_Fast(o, name);
1773 dst->count = PySequence_Fast_GET_SIZE(fi);
1774 dst->p = new CvPoint2D32f[dst->count];
1775 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1776 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1777 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1787 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1789 PyObject *fi = PySequence_Fast(o, name);
1792 dst->count = PySequence_Fast_GET_SIZE(fi);
1793 dst->i = new int[dst->count];
1794 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1795 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1796 dst->i[i] = PyInt_AsLong(item);
1806 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1808 PyObject *fi = PySequence_Fast(o, name);
1811 dst->count = PySequence_Fast_GET_SIZE(fi);
1812 dst->i = new int[dst->count + 1];
1813 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1814 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1815 dst->i[i] = PyInt_AsLong(item);
1817 dst->i[dst->count] = 0;
1826 int step[CV_MAX_DIM];
1827 int length[CV_MAX_DIM];
1830 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1832 if (PySlice_Check(item)) {
1833 Py_ssize_t start, stop, step, slicelength;
1834 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1836 dst->step[i] = step;
1837 dst->length[i] = slicelength;
1839 int index = PyInt_AsLong(item);
1843 dst->i[i] = cvGetDimSize(cva, i) + index;
1850 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1852 if (!PyTuple_Check(o)) {
1854 return convert_to_dim(o, 0, dst, cva, name);
1856 PyObject *fi = PySequence_Fast(o, name);
1858 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1861 dst->count = PySequence_Fast_GET_SIZE(fi);
1862 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1863 if (i >= cvGetDims(cva)) {
1864 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1866 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1867 if (!convert_to_dim(item, i, dst, cva, name))
1879 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1881 PyObject *fi = PySequence_Fast(o, name);
1884 dst->count = PySequence_Fast_GET_SIZE(fi);
1885 dst->ims = new IplImage*[dst->count];
1886 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1887 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1888 if (!convert_to_IplImage(item, &dst->ims[i]))
1899 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
1901 PyObject *fi = PySequence_Fast(o, name);
1904 dst->count = PySequence_Fast_GET_SIZE(fi);
1905 dst->ims = new CvArr*[dst->count];
1906 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1907 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1908 if (!convert_to_CvArr(item, &dst->ims[i]))
1915 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
1917 PyObject *fi = PySequence_Fast(o, name);
1920 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
1921 float **r = new float*[sz];
1922 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1923 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1925 if (!convert_to_floats(item, &ff))
1933 static int convert_to_IplConvKernelPTR(PyObject *o, IplConvKernel** dst, const char *name = "no_name")
1935 if (PyType_IsSubtype(o->ob_type, &iplconvkernel_Type)) {
1936 *dst = ((iplconvkernel_t*)o)->a;
1939 (*dst) = (IplConvKernel*)NULL;
1940 return failmsg("Expected IplConvKernel for argument '%s'", name);
1944 static int convert_to_CvCapturePTR(PyObject *o, CvCapture** dst, const char *name = "no_name")
1946 if (PyType_IsSubtype(o->ob_type, &cvcapture_Type)) {
1947 *dst = ((cvcapture_t*)o)->a;
1950 (*dst) = (CvCapture*)NULL;
1951 return failmsg("Expected CvCapture for argument '%s'", name);
1955 static int convert_to_CvVideoWriterPTR(PyObject *o, CvVideoWriter** dst, const char *name = "no_name")
1957 if (PyType_IsSubtype(o->ob_type, &cvvideowriter_Type)) {
1958 *dst = ((cvvideowriter_t*)o)->a;
1961 (*dst) = (CvVideoWriter*)NULL;
1962 return failmsg("Expected CvVideoWriter for argument '%s'", name);
1966 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
1968 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
1969 (*dst) = &(((cvmoments_t*)o)->a);
1972 (*dst) = (CvMoments*)NULL;
1973 return failmsg("Expected CvMoments for argument '%s'", name);
1977 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
1979 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
1980 (*dst) = &(((cvfont_t*)o)->a);
1983 (*dst) = (CvFont*)NULL;
1984 return failmsg("Expected CvFont for argument '%s'", name);
1988 static int convert_to_CvHaarClassifierCascadePTR(PyObject *o, CvHaarClassifierCascade** dst, const char *name = "no_name")
1990 if (PyType_IsSubtype(o->ob_type, &cvhaarclassifiercascade_Type)) {
1991 (*dst) = ((cvhaarclassifiercascade_t*)o)->a;
1994 (*dst) = (CvHaarClassifierCascade*)NULL;
1995 return failmsg("Expected CvHaarClassifierCascade for argument '%s'", name);
1999 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
2001 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
2002 (*dst) = ((cvcontourtree_t*)o)->a;
2006 return failmsg("Expected CvContourTree for argument '%s'", name);
2010 static int convert_to_CvPOSITObjectPTR(PyObject *o, CvPOSITObject** dst, const char *name = "no_name")
2012 if (PyType_IsSubtype(o->ob_type, &cvpositobject_Type)) {
2013 (*dst) = ((cvpositobject_t*)o)->a;
2016 (*dst) = (CvPOSITObject*)NULL;
2017 return failmsg("Expected CvPOSITObject for argument '%s'", name);
2021 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
2023 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
2024 (*dst) = &(((cvrng_t*)o)->a);
2027 (*dst) = (CvRNG*)NULL;
2028 return failmsg("Expected CvRNG for argument '%s'", name);
2032 typedef void* generic;
2033 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
2035 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
2036 return convert_to_IplImage(o, (IplImage**)dst, name);
2037 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
2038 return convert_to_CvMat(o, (CvMat**)dst, name);
2039 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
2040 return convert_to_CvMatND(o, (CvMatND**)dst, name);
2042 return failmsg("Cannot identify type of '%s'", name);
2046 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
2048 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
2053 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
2055 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
2060 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
2062 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
2063 (*dst) = (((cvsubdiv2d_t*)o)->a);
2066 (*dst) = (CvSubdiv2D*)NULL;
2067 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
2071 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
2073 if (!PyNumber_Check(o)) {
2074 *dst = (CvNextEdgeType)NULL;
2075 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
2077 *dst = (CvNextEdgeType)PyInt_AsLong(o);
2082 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
2084 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
2085 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2089 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2093 /************************************************************************/
2095 static PyObject *pythonize_CvMat(cvmat_t *m)
2097 // Need to make this CvMat look like any other, with a Python
2098 // buffer object as its data.
2099 // So copy the image data into a Python string object, then release
2102 assert(mat->step != 0);
2104 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2106 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2107 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2108 o->ptr = mat->refcount;
2109 o->size = gap + mat->rows * mat->step;
2110 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2118 // Now m has a reference to data, which has a reference to o.
2120 // cvDecRefData(mat); // Ref count should be zero here, so this is a release
2121 return (PyObject*)m;
2124 static PyObject *pythonize_IplImage(iplimage_t *cva)
2126 // Need to make this iplimage look like any other, with a Python
2127 // string as its data.
2128 // So copy the image data into a Python string object, then release
2131 IplImage *ipl = (IplImage*)(cva->a);
2132 // PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2134 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2135 assert(ipl->imageDataOrigin == ipl->imageData);
2136 o->ptr = ipl->imageDataOrigin;
2137 o->size = ipl->height * ipl->widthStep;
2138 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2145 return (PyObject*)cva;
2148 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2151 // Need to make this CvMatND look like any other, with a Python
2152 // string as its data.
2153 // So copy the image data into a Python string object, then release
2157 CvMatND *mat = m->a;
2158 assert(mat->dim[0].step != 0);
2160 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2162 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2163 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2164 o->ptr = mat->refcount;
2165 o->size = gap + mat->rows * mat->step;
2166 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2172 cvDecRefData(mat); // Ref count should be zero here, so this is a release
2174 return (PyObject*)m;
2177 /************************************************************************/
2178 /* FROM_xxx: C -> Python converters.
2180 * Turn various OpenCV types (and some aggregate types above)
2181 * into Python objects. Used by the generated code.
2183 * All these functions and macros return a new reference.
2186 #define FROM_double(r) PyFloat_FromDouble(r)
2187 #define FROM_float(r) PyFloat_FromDouble(r)
2188 #define FROM_int(r) PyInt_FromLong(r)
2189 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
2190 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
2191 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
2192 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
2193 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", r.area, FROM_CvScalar(r.value), FROM_CvRect(r.rect))
2194 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
2195 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
2196 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
2197 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
2198 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
2199 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
2201 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2203 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2205 ps->container = storage;
2206 Py_INCREF(ps->container);
2207 return (PyObject*)ps;
2210 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2212 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2214 ps->container = storage;
2215 Py_INCREF(ps->container);
2216 return (PyObject*)ps;
2219 static PyObject *FROM_floats(floats r)
2223 pr = PyList_New(r.count);
2224 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2225 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2230 static PyObject *FROM_chars(chars r)
2234 pr = PyList_New(r.count);
2235 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2236 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2241 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2245 pr = PyList_New(r.count);
2246 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2247 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2252 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2256 pr = PyList_New(r.count);
2257 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2258 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2263 typedef CvSeq CvSeqOfCvConvexityDefect;
2264 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2267 pr = PyList_New(r->total);
2268 for (int i = 0; i < r->total; i++) {
2269 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2270 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2271 pd->start->x, pd->start->y,
2272 pd->end->x, pd->end->y,
2273 pd->depth_point->x, pd->depth_point->y,
2276 // This function has copied the CvSeq data into a list. Hence the
2277 // CvSeq is not being returned to the caller. Hence, no reference
2278 // count increase for the storage, unlike _FROM_CvSeqPTR.
2282 typedef CvSeq CvSeqOfCvAvgComp;
2283 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2286 pr = PyList_New(r->total);
2287 for (int i = 0; i < r->total; i++) {
2288 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2289 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2290 pd->rect.x, pd->rect.y,
2291 pd->rect.width, pd->rect.height,
2294 // This function has copied the CvSeq data into a list. Hence the
2295 // CvSeq is not being returned to the caller. Hence, no reference
2296 // count increase for the storage, unlike _FROM_CvSeqPTR.
2300 typedef CvSeq CvSeqOfCvStarKeypoint;
2301 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2304 pr = PyList_New(r->total);
2305 for (int i = 0; i < r->total; i++) {
2306 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2307 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2312 // This function has copied the CvSeq data into a list. Hence the
2313 // CvSeq is not being returned to the caller. Hence, no reference
2314 // count increase for the storage, unlike _FROM_CvSeqPTR.
2318 typedef CvSeq CvSeqOfCvSURFPoint;
2319 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2322 pr = PyList_New(r->total);
2323 for (int i = 0; i < r->total; i++) {
2324 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2325 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2332 // This function has copied the CvSeq data into a list. Hence the
2333 // CvSeq is not being returned to the caller. Hence, no reference
2334 // count increase for the storage, unlike _FROM_CvSeqPTR.
2338 typedef CvSeq CvSeqOfCvSURFDescriptor;
2339 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2342 pr = PyList_New(r->total);
2343 for (int i = 0; i < r->total; i++) {
2344 float *pd = (float*)cvGetSeqElem(r, i);
2345 int count = r->elem_size / sizeof(float);
2346 PyObject *oi = PyList_New(count);
2347 for (int j = 0; j < count; j++) {
2348 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2350 PyList_SetItem(pr, i, oi);
2352 // This function has copied the CvSeq data into a list. Hence the
2353 // CvSeq is not being returned to the caller. Hence, no reference
2354 // count increase for the storage, unlike _FROM_CvSeqPTR.
2358 static PyObject *FROM_IplConvKernelPTR(IplConvKernel *r)
2360 iplconvkernel_t *ick = PyObject_NEW(iplconvkernel_t, &iplconvkernel_Type);
2362 return (PyObject*)ick;
2365 static PyObject *FROM_CvCapturePTR(CvCapture *r)
2367 cvcapture_t *c = PyObject_NEW(cvcapture_t, &cvcapture_Type);
2369 return (PyObject*)c;
2372 static PyObject *FROM_CvVideoWriterPTR(CvVideoWriter *r)
2374 cvvideowriter_t *c = PyObject_NEW(cvvideowriter_t, &cvvideowriter_Type);
2376 return (PyObject*)c;
2379 typedef CvPoint2D32f CvPoint2D32f_4[4];
2380 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2382 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2389 typedef float CvMatr32f_i[9];
2391 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2393 return Py_BuildValue("(fff)(fff)(fff)",
2399 typedef float CvVect32f_i[3];
2400 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2402 return Py_BuildValue("fff",
2406 static PyObject *FROM_CvFont(CvFont r)
2408 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2410 return (PyObject*)cf;
2413 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2416 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2418 return (PyObject*)cf;
2425 static PyObject *FROM_IplImagePTR(IplImage *r)
2427 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2429 return pythonize_IplImage(cva);
2432 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2435 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2436 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2438 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2440 return (PyObject*)cva;
2446 static PyObject *FROM_CvMatPTR(CvMat *r)
2448 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2451 return pythonize_CvMat(cvm);
2454 static PyObject *FROM_CvMat(CvMat *r)
2456 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2458 return pythonize_CvMat(m);
2461 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2463 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2465 return pythonize_CvMatND(m);
2468 static PyObject *FROM_CvPOSITObjectPTR(CvPOSITObject *r)
2470 cvpositobject_t *m = PyObject_NEW(cvpositobject_t, &cvpositobject_Type);
2472 return (PyObject*)m;
2475 static PyObject *FROM_CvRNG(CvRNG r)
2477 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2479 return (PyObject*)m;
2482 static PyObject *FROM_CvHaarClassifierCascade(CvHaarClassifierCascade *r)
2484 cvhaarclassifiercascade_t *m = PyObject_NEW(cvhaarclassifiercascade_t, &cvhaarclassifiercascade_Type);
2486 return (PyObject*)m;
2489 static PyObject *FROM_CvMoments(CvMoments r)
2491 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2493 return (PyObject*)m;
2496 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2498 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2500 return (PyObject*)m;
2503 static PyObject *FROM_generic(generic r)
2505 CvTypeInfo* t = cvTypeOf(r);
2507 failmsg("OpenCV returned NULL");
2509 } if (strcmp(t->type_name, "opencv-image") == 0)
2510 return FROM_IplImagePTR((IplImage*)r);
2511 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2512 return FROM_CvMat((CvMat*)r);
2513 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2514 return FROM_CvHaarClassifierCascade((CvHaarClassifierCascade*)r);
2516 failmsg("Unknown OpenCV type '%s'", t->type_name);
2521 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2523 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2525 m->container = Py_None; // XXX
2526 Py_INCREF(m->container);
2527 return (PyObject*)m;
2530 /************************************************************************/
2532 /* A few functions are too odd to be generated,
2533 * so are handwritten here */
2535 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2539 const char *keywords[] = { "delay", NULL };
2540 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2543 Py_BEGIN_ALLOW_THREADS
2544 r = cvWaitKey(delay);
2545 Py_END_ALLOW_THREADS
2549 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2551 const char *keywords[] = { "filename", "iscolor", NULL };
2553 int iscolor = CV_LOAD_IMAGE_COLOR;
2555 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2558 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2559 // So make a local copy 'filename_copy'.
2560 char filename_copy[2048];
2561 strncpy(filename_copy, filename, sizeof(filename_copy));
2564 Py_BEGIN_ALLOW_THREADS
2565 r = cvLoadImage(filename_copy, iscolor);
2566 Py_END_ALLOW_THREADS
2569 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2572 return FROM_IplImagePTR(r);
2576 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2578 int w, h, depth, channels;
2579 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2581 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2582 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2583 if (cva->a == NULL) {
2584 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2587 cva->data = Py_None;
2588 Py_INCREF(cva->data);
2591 return (PyObject*)cva;
2595 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2597 int w, h, depth, channels;
2598 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2600 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2601 cva->a = cvCreateImage(cvSize(w, h), depth, channels);
2602 if (cva->a == NULL) {
2603 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2606 return pythonize_IplImage(cva);
2610 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2612 int rows, cols, type;
2613 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2615 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2616 m->a = cvCreateMatHeader(rows, cols, type);
2618 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2624 return (PyObject*)m;
2628 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2630 int rows, cols, type;
2631 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2633 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2634 m->a = cvCreateMat(rows, cols, type);
2636 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2639 return pythonize_CvMat(m);
2643 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2648 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2650 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2651 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2655 return (PyObject*)m;
2659 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2664 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2666 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2667 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2668 return pythonize_CvMatND(m);
2671 static PyObject *pycvCreateHist(PyObject *self, PyObject *args)
2675 float **ranges = NULL;
2678 if (!PyArg_ParseTuple(args, "Oi|O&i", &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2681 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2682 args = Py_BuildValue("Oi", dims, CV_32FC1);
2683 h->bins = pycvCreateMatND(self, args);
2685 if (h->bins == NULL) {
2688 h->h.type = CV_HIST_MAGIC_VAL;
2689 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2692 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2694 return (PyObject*)h;
2697 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args)
2702 int connectivity = 8;
2703 int left_to_right = 0;
2705 if (!PyArg_ParseTuple(args, "O&O&O&|ii",
2706 convert_to_CvArr, &image,
2707 convert_to_CvPoint, &pt1,
2708 convert_to_CvPoint, &pt2,
2713 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2714 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2715 ERRWRAP(pi->type = cvGetElemType(image));
2716 return (PyObject*)pi;
2719 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2722 if (!PyArg_ParseTuple(args, "|i", &block_size))
2724 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2725 pm->a = cvCreateMemStorage(block_size);
2726 return (PyObject*)pm;
2729 // single index: return row
2730 // 2 indices: row, column
2731 // both row and column can be slices. column slice must have a step of 1.
2733 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2735 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2740 if (!convert_to_CvArr(o, &cva, "src"))
2743 if (!convert_to_dims(key, &dd, cva, "key")) {
2747 // Figure out if all supplied indices have a stride of zero - means they are not slices
2748 // and if all indices are positive
2750 for (int i = 0; i < dd.count; i++) {
2751 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2754 // if every dimension supplied, and none are slices, return the scalar
2755 if ((cvGetDims(cva) == dd.count) && all0) {
2757 ERRWRAP(s = cvGetND(cva, dd.i));
2758 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2760 // pad missing dimensions
2761 for (int i = dd.count; i < cvGetDims(cva); i++) {
2764 dd.length[i] = cvGetDimSize(cva, i);
2766 dd.count = cvGetDims(cva);
2768 // negative steps are illegal for OpenCV
2769 for (int i = 0; i < dd.count; i++) {
2771 return (PyObject*)failmsg("Negative step is illegal");
2774 // zero length illegal for OpenCV
2775 for (int i = 0; i < dd.count; i++) {
2776 if (dd.length[i] == 0)
2777 return (PyObject*)failmsg("Zero sized dimension is illegal");
2780 // column step can only be 0 or 1
2781 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2782 return (PyObject*)failmsg("Column step is illegal");
2784 if (is_cvmat(o) || is_iplimage(o)) {
2785 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2786 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2787 uchar *old0; // pointer to first element in old mat
2789 cvGetRawData(cva, &old0, &oldstep);
2790 uchar *new0; // pointer to first element in new mat
2791 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2793 sub->a->step = oldstep * dd.step[0];
2794 sub->data = what_data(o);
2795 Py_INCREF(sub->data);
2796 sub->offset = new0 - old0;
2797 return (PyObject*)sub;
2799 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2800 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2801 uchar *old0; // pointer to first element in old mat
2802 cvGetRawData(cva, &old0);
2803 uchar *new0; // pointer to first element in new mat
2804 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2806 for (int d = 0; d < dd.count; d++) {
2807 int stp = dd.step[d];
2808 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2809 sub->a->dim[d].size = dd.length[d];
2811 sub->data = what_data(o);
2812 Py_INCREF(sub->data);
2813 sub->offset = new0 - old0;
2814 return (PyObject*)sub;
2819 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2824 if (!convert_to_CvArr(o, &cva, "src"))
2827 if (!convert_to_dims(key, &dd, cva, "key")) {
2831 if (cvGetDims(cva) != dd.count) {
2832 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2837 if (PySequence_Check(v)) {
2838 PyObject *fi = PySequence_Fast(v, "v");
2841 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
2842 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
2845 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
2846 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
2849 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
2850 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
2853 s.val[0] = PyFloat_AsDouble(v);
2857 cvSet1D(cva, dd.i[0], s);
2860 cvSet2D(cva, dd.i[0], dd.i[1], s);
2863 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
2866 cvSetND(cva, dd.i, s);
2867 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
2870 if (cvGetErrStatus() != 0) {
2871 translate_error_to_exception();
2879 static PyObject *pycvSetData(PyObject *self, PyObject *args)
2884 if (!PyArg_ParseTuple(args, "OOi", &o, &s, &step))
2886 if (is_iplimage(o)) {
2887 iplimage_t *ipl = (iplimage_t*)o;
2888 ipl->a->widthStep = step;
2889 Py_DECREF(ipl->data);
2891 Py_INCREF(ipl->data);
2892 } else if (is_cvmat(o)) {
2893 cvmat_t *m = (cvmat_t*)o;
2898 } else if (is_cvmatnd(o)) {
2899 cvmatnd_t *m = (cvmatnd_t*)o;
2904 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
2911 static PyObject *what_data(PyObject *o)
2913 if (is_iplimage(o)) {
2914 iplimage_t *ipl = (iplimage_t*)o;
2916 } else if (is_cvmat(o)) {
2917 cvmat_t *m = (cvmat_t*)o;
2919 } else if (is_cvmatnd(o)) {
2920 cvmatnd_t *m = (cvmatnd_t*)o;
2928 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
2932 if (!PyArg_ParseTuple(args, "O", &o))
2936 if (!convert_to_CvArr(o, &a, "arr"))
2938 ERRWRAP(cvCreateData(a));
2940 Py_DECREF(what_data(o));
2941 if (is_iplimage(o)) {
2942 iplimage_t *ipl = (iplimage_t*)o;
2943 pythonize_IplImage(ipl);
2944 } else if (is_cvmat(o)) {
2945 cvmat_t *m = (cvmat_t*)o;
2947 } else if (is_cvmatnd(o)) {
2948 cvmatnd_t *m = (cvmatnd_t*)o;
2949 pythonize_CvMatND(m);
2951 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
2958 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
2962 if (!PyArg_ParseTuple(args, "O", &o))
2965 if (!convert_to_CvArr(o, &cva, "src"))
2969 ERRWRAP(nd = cvGetDims(cva));
2970 PyObject *r = PyTuple_New(nd);
2971 for (i = 0; i < nd; i++)
2972 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
2976 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
2980 if (!PyArg_ParseTuple(args, "O", &o))
2982 if (is_iplimage(o)) {
2986 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
2988 if (!convert_to_CvArr(o, &cva, "src"))
2990 ERRWRAP(cvGetImage(cva, ipl));
2992 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
2994 oipl->data = what_data(o);
2995 Py_INCREF(oipl->data);
2998 r = (PyObject*)oipl;
3003 static PyObject *pycvGetMat(PyObject *self, PyObject *args)
3007 if (!PyArg_ParseTuple(args, "O", &o))
3013 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3015 if (!convert_to_CvArr(o, &cva, "src"))
3017 ERRWRAP(cvGetMat(cva, m));
3019 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3021 om->data = what_data(o);
3022 Py_INCREF(om->data);
3030 static PyObject *pycvReshape(PyObject *self, PyObject *args)
3036 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
3039 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3041 if (!convert_to_CvArr(o, &cva, "src"))
3043 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
3045 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3047 om->data = what_data(o);
3048 Py_INCREF(om->data);
3051 return (PyObject*)om;
3054 static void OnMouse(int event, int x, int y, int flags, void* param)
3056 PyGILState_STATE gstate;
3057 gstate = PyGILState_Ensure();
3059 PyObject *o = (PyObject*)param;
3060 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
3062 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3068 PyGILState_Release(gstate);
3071 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
3073 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
3076 PyObject *param = NULL;
3078 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
3080 if (!PyCallable_Check(on_mouse)) {
3081 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
3084 if (param == NULL) {
3087 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
3091 void OnChange(int pos, void *param)
3093 PyGILState_STATE gstate;
3094 gstate = PyGILState_Ensure();
3096 PyObject *o = (PyObject*)param;
3097 PyObject *args = Py_BuildValue("(i)", pos);
3098 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3102 PyGILState_Release(gstate);
3105 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args, PyObject *kw)
3107 const char *keywords[] = { "trackbar_name", "window_name", "value", "count", "on_change", NULL };
3108 PyObject *on_change;
3109 char* trackbar_name;
3111 int *value = new int;
3114 if (!PyArg_ParseTupleAndKeywords(args, kw, "ssiiO", (char**)keywords, &trackbar_name, &window_name, value, &count, &on_change))
3116 if (!PyCallable_Check(on_change)) {
3117 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3120 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3124 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3127 PyObject *pyobj_image = NULL;
3128 CvMemStorage* storage;
3129 PyObject *pyobj_storage = NULL;
3130 CvSeq* first_contour;
3131 int header_size = sizeof(CvContour);
3132 int mode = CV_RETR_LIST;
3133 int method = CV_CHAIN_APPROX_SIMPLE;
3134 CvPoint offset = cvPoint(0,0);
3135 PyObject *pyobj_offset = NULL;
3137 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3138 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3140 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3141 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3142 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3143 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3144 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3145 ps->a = first_contour;
3146 ps->container = PyTuple_GetItem(args, 1); // storage
3147 Py_INCREF(ps->container);
3148 return (PyObject*)ps;
3151 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3154 PyObject *pyobj_src_seq = NULL;
3155 int header_size = sizeof(CvContour);
3156 CvMemStorage* storage;
3157 PyObject *pyobj_storage = NULL;
3159 double parameter = 0;
3162 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3163 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3165 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3166 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3168 ERRWRAP(r = cvApproxPoly(src_seq.v, header_size, storage, method, parameter, parameter2));
3169 return FROM_CvSeqPTR(r);
3172 static float distance_function_glue( const float* a, const float* b, void* user_param )
3174 PyObject *o = (PyObject*)user_param;
3175 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3176 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3178 return (float)PyFloat_AsDouble(r);
3181 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3183 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3185 PyObject *pyobj_signature1;
3187 PyObject *pyobj_signature2;
3189 PyObject *distance_func = NULL;
3190 CvArr* cost_matrix=NULL;
3191 PyObject *pyobj_cost_matrix = NULL;
3193 PyObject *pyobj_flow = NULL;
3194 float lower_bound = 0.0;
3195 PyObject *userdata = NULL;
3197 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3207 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3208 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3209 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3210 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3212 if (distance_func == NULL) {
3213 distance_func = Py_None;
3215 if (userdata == NULL) {
3219 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3221 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3224 return PyFloat_FromDouble(r);
3227 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3229 PyObject *pyobj_subdiv;
3233 CvSubdiv2DEdge edge;
3234 CvSubdiv2DPoint* vertex;
3236 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3238 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3240 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3243 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3246 case CV_PTLOC_INSIDE:
3247 case CV_PTLOC_ON_EDGE:
3248 r = FROM_CvSubdiv2DEdge(edge);
3250 case CV_PTLOC_VERTEX:
3251 r = FROM_CvSubdiv2DPointPTR(vertex);
3253 case CV_PTLOC_OUTSIDE_RECT:
3258 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3260 return Py_BuildValue("iO", (int)loc, r);;
3263 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3266 PyObject *pyobj_prev = NULL;
3268 PyObject *pyobj_curr = NULL;
3270 PyObject *pyobj_prev_pyr = NULL;
3272 PyObject *pyobj_curr_pyr = NULL;
3273 CvPoint2D32f* prev_features;
3274 PyObject *pyobj_prev_features = NULL;
3275 PyObject *pyobj_curr_features = NULL;
3276 CvPoint2D32f* curr_features;
3279 CvTermCriteria criteria;
3282 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3283 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3284 &pyobj_prev_features,
3285 &win_size.width, &win_size.height, &level,
3286 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3288 &pyobj_curr_features))
3290 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3291 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3292 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3293 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3294 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3295 int count = (int)PySequence_Length(pyobj_prev_features);
3296 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3297 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3300 if (!pyobj_curr_features) {
3301 curr_features = new CvPoint2D32f[count];
3303 if (PySequence_Length(pyobj_curr_features) != count) {
3304 failmsg("curr_features must have same length as prev_features");
3307 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3308 flags |= CV_LKFLOW_INITIAL_GUESSES;
3310 float *track_error = new float[count];
3311 char* status = new char[count];
3312 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3314 cvpoint2d32f_count r0;
3315 r0.points = curr_features;
3326 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3329 static PyObject *pycvClipLine(PyObject *self, PyObject *args, PyObject *kw)
3332 PyObject *pyobj_img_size = NULL;
3334 PyObject *pyobj_pt1 = NULL;
3336 PyObject *pyobj_pt2 = NULL;
3338 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3340 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3341 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3342 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3344 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3348 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3352 static PyObject *temp_test(PyObject *self, PyObject *args)
3355 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3356 printf("im=%p\n", im);
3357 CvMat *m = cvEncodeImage(".jpeg", im);
3360 CvArr *im = cvLoadImage("lena.jpg", 0);
3361 float r0[] = { 0, 255 };
3362 float *ranges[] = { r0 };
3363 int hist_size[] = { 256 };
3364 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3365 cvCalcHist(im, hist, 0, 0);
3369 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3370 CvMat row_header, *row;
3371 row = cvReshape( mat, &row_header, 0, 1 );
3372 printf("%d,%d\n", row_header.rows, row_header.cols);
3373 printf("ge %08x\n", cvGetElemType(mat));
3377 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3378 printf("CvMat stride ===> %d\n", m->step);
3382 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3383 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3385 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3386 cvGetAffineTransform(src, dst, mapping);
3387 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3391 CvArr *im = cvLoadImage("checker77.png");
3392 CvPoint2D32f corners[49];
3394 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3395 printf("count=%d\n", count);
3398 return PyFloat_FromDouble(0.0);
3401 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3404 PyObject *pyobj_image = NULL;
3405 CvSize pattern_size;
3406 PyObject *pyobj_pattern_size = NULL;
3407 cvpoint2d32f_count corners;
3408 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3410 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3411 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3413 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3414 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3416 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3417 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3418 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3421 // For functions GetSubRect, GetRow, GetCol.
3422 // recipient has a view into donor's data, and needs to share it.
3423 // make recipient use the donor's data, compute the offset,
3424 // and manage reference counts.
3426 static void preShareData(CvArr *donor, CvMat **recipient)
3428 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3431 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3433 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3434 ((cvmat_t*)recipient)->a = precipient;
3435 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3438 if (is_cvmat(donor)) {
3439 arr_data = ((cvmat_t*)donor)->data;
3440 } else if (is_iplimage(donor)) {
3441 arr_data = ((iplimage_t*)donor)->data;
3443 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3445 ((cvmat_t*)recipient)->data = arr_data;
3446 Py_INCREF(arr_data);
3450 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args, PyObject *kw)
3453 PyObject *pyobj_moments = NULL;
3455 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3457 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3459 ERRWRAP(cvGetHuMoments(moments, &r));
3460 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3463 static PyObject *pycvFitLine(PyObject *self, PyObject *args, PyObject *kw)
3466 PyObject *pyobj_points = NULL;
3473 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3475 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3476 ERRWRAP(cvFitLine(points.v, dist_type, param, reps, aeps, r));
3478 if (strcmp("opencv-matrix", cvTypeOf(points.v)->type_name) == 0)
3479 dimension = CV_MAT_CN(cvGetElemType(points.v));
3481 // sequence case... don't think there is a sequence of 3d points,
3486 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3488 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3491 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args, PyObject *kw)
3494 PyObject *pyobj_hist = NULL;
3497 int min_loc[CV_MAX_DIM];
3498 int max_loc[CV_MAX_DIM];
3500 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3502 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3503 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3504 int d = cvGetDims(hist->bins);
3505 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3506 for (int i = 0; i < d; i++) {
3507 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3508 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3510 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3513 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3514 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3515 double hit_threshold=0, double scale=1.05,
3516 int group_threshold=2, CvSize padding=cvSize(0,0),
3517 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3518 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3519 int nbins=9, int gammaCorrection=1 )
3521 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3522 if(win_stride.width == 0 && win_stride.height == 0)
3523 win_stride = block_stride;
3524 cv::Mat img = cv::cvarrToMat(image);
3525 std::vector<cv::Rect> found;
3528 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3529 int sz = m->cols*m->rows;
3530 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3531 std::vector<float> w(sz);
3532 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3533 hog.setSVMDetector(w);
3536 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3537 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3538 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3540 cvSeqPushMulti(seq, &found[0], (int)found.size());
3544 static int zero = 0;
3546 /************************************************************************/
3547 /* Custom Validators */
3549 #define CVPY_VALIDATE_DrawChessboardCorners() do { \
3550 if ((pattern_size.width * pattern_size.height) != corners.count) \
3551 return (PyObject*)failmsg("Size is %dx%d, but corner list is length %d", pattern_size.width, pattern_size.height, corners.count); \
3554 #define cvGetRotationMatrix2D cv2DRotationMatrix
3556 /************************************************************************/
3557 /* Generated functions */
3559 #include "generated0.i"
3561 static PyMethodDef methods[] = {
3563 {"CreateHist", pycvCreateHist, METH_VARARGS, "CreateHist(dims, type, ranges, uniform = 1) -> hist"},
3564 {"CreateImage", pycvCreateImage, METH_VARARGS, "CreateImage(size, depth, channels) -> image"},
3565 {"CreateImageHeader", pycvCreateImageHeader, METH_VARARGS, "CreateImageHeader(size, depth, channels) -> image"},
3566 {"CreateMat", pycvCreateMat, METH_VARARGS, "CreateMat(row, cols, type) -> mat"},
3567 {"CreateMatHeader", pycvCreateMatHeader, METH_VARARGS, "CreateMatHeader(rows, cols, type) -> mat"},
3568 {"CreateMatND", pycvCreateMatND, METH_VARARGS, "CreateMatND(dims, type) -> matnd"},
3569 {"CreateMatNDHeader", pycvCreateMatNDHeader, METH_VARARGS, "CreateMatNDHeader(dims, type) -> matnd"},
3570 {"CreateMemStorage", pycvCreateMemStorage, METH_VARARGS, "CreateMemStorage(block_size) -> memstorage"},
3571 {"FindContours", (PyCFunction)pycvFindContours, METH_KEYWORDS, "FindContours(image, storage, mode=CV_RETR_LIST, method=CV_CHAIN_APPROX_SIMPLE, offset=(0, 0)) -> cvseq"},
3572 {"ApproxPoly", (PyCFunction)pycvApproxPoly, METH_KEYWORDS, "ApproxPoly(src_seq, storage, method, parameter=0, parameter2=0) -> None"},
3573 {"CreateData", pycvCreateData, METH_VARARGS, "CreateData(arr) -> None"},
3574 {"GetDims", pycvGetDims, METH_VARARGS, "GetDims(arr) -> dims"},
3575 {"GetImage", pycvGetImage, METH_VARARGS, "GetImage(cvmat) -> image"},
3576 {"GetMat", pycvGetMat, METH_VARARGS, "GetMat(image) -> cvmat"},
3577 {"Reshape", pycvReshape, METH_VARARGS, "Reshape(arr, new_cn, new_rows=0) -> cvmat"},
3578 {"InitLineIterator", pycvInitLineIterator, METH_VARARGS, "InitLineIterator(image, pt1, pt2, connectivity=8, left_to_right=0) -> None"},
3579 {"LoadImage", (PyCFunction)pycvLoadImage, METH_KEYWORDS, "LoadImage(filename, iscolor=CV_LOAD_IMAGE_COLOR)"},
3580 {"SetData", pycvSetData, METH_VARARGS, "SetData(arr, data, step)"},
3581 {"SetMouseCallback", (PyCFunction)pycvSetMouseCallback, METH_KEYWORDS, "SetMouseCallback(window_name, on_mouse, param) -> None"},
3582 {"CreateTrackbar", (PyCFunction)pycvCreateTrackbar, METH_KEYWORDS, "CreateTrackbar(trackbar_name, window_name, value, count, on_change) -> None"},
3583 {"CalcEMD2", (PyCFunction)pycvCalcEMD2, METH_KEYWORDS, "CalcEMD2(signature1, signature2, distance_type, distance_func = None, cost_matrix=None, flow=None, lower_bound=None, userdata = None) -> float"},
3584 {"FindChessboardCorners", (PyCFunction)pycvFindChessboardCorners, METH_KEYWORDS, "FindChessboardCorners(image, pattern_size, flags=CV_CALIB_CB_ADAPTIVE_THRESH) -> success,corners"},
3585 {"FitLine", (PyCFunction)pycvFitLine, METH_KEYWORDS, "FitLine(points, dist_type, param, reps, aeps) -> line"},
3586 {"Subdiv2DLocate", pycvSubdiv2DLocate, METH_VARARGS, "Subdiv2DLocate(subdiv, pt) -> (loc, where)"},
3587 {"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)"},
3588 {"ClipLine", (PyCFunction)pycvClipLine, METH_KEYWORDS, "ClipLine(img, pt1, pt2) -> (clipped_pt1, clipped_pt2)"},
3589 {"GetHuMoments", (PyCFunction)pycvGetHuMoments, METH_KEYWORDS, "GetHuMoments(cvmoments) -> (h1, h2, h3, h4, h5, h5, h7)"},
3590 {"GetMinMaxHistValue", (PyCFunction)pycvGetMinMaxHistValue, METH_KEYWORDS, "GetMinMaxHistValue(hist) -> min_val,max_val,min_loc,max_loc"},
3591 {"WaitKey", (PyCFunction)pycvWaitKey, METH_KEYWORDS, "WaitKey(delay=0) -> int"},
3592 //{"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"},
3593 //{"_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"},
3594 //{"_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"},
3595 //{"_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"},
3597 {"temp_test", temp_test, METH_VARARGS},
3599 #include "generated1.i"
3604 /************************************************************************/
3607 static int to_ok(PyTypeObject *to)
3609 to->tp_alloc = PyType_GenericAlloc;
3610 to->tp_new = PyType_GenericNew;
3611 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3612 return (PyType_Ready(to) == 0);
3615 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3618 #if defined WIN32 || defined _WIN32
3619 __declspec(dllexport)
3625 cvSetErrMode(CV_ErrModeParent);
3628 MKTYPE(cvcontourtree);
3630 MKTYPE(cvhaarclassifiercascade);
3631 MKTYPE(cvhistogram);
3632 MKTYPE(cvlineiterator);
3635 MKTYPE(cvmemstorage);
3637 MKTYPE(cvpositobject);
3638 MKTYPE(cvsubdiv2dedge);
3643 MKTYPE(cvsubdiv2dpoint);
3644 MKTYPE(cvvideowriter);
3645 MKTYPE(iplconvkernel);
3649 m = Py_InitModule(MODULESTR"", methods);
3650 d = PyModule_GetDict(m);
3652 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3653 PyDict_SetItemString(d, "error", opencv_error);
3655 PyDict_SetItemString(d, "iplimage", (PyObject*)&iplimage_Type);
3656 PyDict_SetItemString(d, "cvmat", (PyObject*)&cvmat_Type);
3658 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3659 #define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
3661 PUBLISHU(IPL_DEPTH_8U);
3662 PUBLISHU(IPL_DEPTH_8S);
3663 PUBLISHU(IPL_DEPTH_16U);
3664 PUBLISHU(IPL_DEPTH_16S);
3665 PUBLISHU(IPL_DEPTH_32S);
3666 PUBLISHU(IPL_DEPTH_32F);
3667 PUBLISHU(IPL_DEPTH_64F);
3669 PUBLISH(CV_LOAD_IMAGE_COLOR);
3670 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3671 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3672 PUBLISH(CV_HIST_ARRAY);
3673 PUBLISH(CV_HIST_SPARSE);
3702 PUBLISH(CV_NEXT_AROUND_ORG);
3703 PUBLISH(CV_NEXT_AROUND_DST);
3704 PUBLISH(CV_PREV_AROUND_ORG);
3705 PUBLISH(CV_PREV_AROUND_DST);
3706 PUBLISH(CV_NEXT_AROUND_LEFT);
3707 PUBLISH(CV_NEXT_AROUND_RIGHT);
3708 PUBLISH(CV_PREV_AROUND_LEFT);
3709 PUBLISH(CV_PREV_AROUND_RIGHT);
3711 PUBLISH(CV_WINDOW_AUTOSIZE);
3713 PUBLISH(CV_PTLOC_INSIDE);
3714 PUBLISH(CV_PTLOC_ON_EDGE);
3715 PUBLISH(CV_PTLOC_VERTEX);
3716 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3718 #include "generated2.i"
3722 int sizes[] = { 10 } ;
3723 float ranges[] = { 0.0, 1.0 };
3724 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3727 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3728 printf("h->type = %08x\n", h->type);
3729 printf("h->bins = %p\n", h->bins);
3730 printf("h->mat = %p\n", &(h->mat));