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 (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 (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 PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
530 if (!convert_to_CvMatND(self, &m, "self"))
534 switch (CV_MAT_DEPTH(m->type)) {
537 bps = CV_MAT_CN(m->type) * 1;
541 bps = CV_MAT_CN(m->type) * 2;
545 bps = CV_MAT_CN(m->type) * 4;
548 bps = CV_MAT_CN(m->type) * 8;
551 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
555 for (int d = 0; d < m->dims; d++) {
560 for (d = 0; d < m->dims; d++) {
563 int rowsize = m->dim[m->dims-1].size * bps;
564 char *s = new char[l];
569 memcpy(ps, cvPtrND(m, i), rowsize);
571 for (d = m->dims - 2; 0 <= d; d--) {
572 if (++i[d] < cvGetDimSize(m, d)) {
582 return PyString_FromStringAndSize(s, ps - s);
585 static struct PyMethodDef cvmatnd_methods[] =
587 {"tostring", cvmatnd_tostring, METH_VARARGS},
591 static PyMappingMethods cvmatnd_as_map = {
597 static PyTypeObject cvmatnd_Type = {
598 PyObject_HEAD_INIT(&PyType_Type)
600 MODULESTR".cvmatnd", /*name*/
601 sizeof(cvmatnd_t), /*basicsize*/
604 static void cvmatnd_specials(void)
606 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
607 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
608 cvmatnd_Type.tp_repr = cvmatnd_repr;
609 cvmatnd_Type.tp_methods = cvmatnd_methods;
612 static int is_cvmatnd(PyObject *o)
614 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
617 /************************************************************************/
621 static void cvhistogram_dealloc(PyObject *self)
623 cvhistogram_t *cvh = (cvhistogram_t*)self;
624 Py_DECREF(cvh->bins);
628 static PyTypeObject cvhistogram_Type = {
629 PyObject_HEAD_INIT(&PyType_Type)
631 MODULESTR".cvhistogram", /*name*/
632 sizeof(cvhistogram_t), /*basicsize*/
635 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
637 Py_INCREF(cvh->bins);
641 static PyGetSetDef cvhistogram_getseters[] = {
642 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
643 {NULL} /* Sentinel */
646 static void cvhistogram_specials(void)
648 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
649 cvhistogram_Type.tp_getset = cvhistogram_getseters;
652 /************************************************************************/
656 static PyObject *cvlineiterator_iter(PyObject *o)
662 static PyObject *cvlineiterator_next(PyObject *o)
664 cvlineiterator_t *pi = (cvlineiterator_t*)o;
670 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
671 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
673 CV_NEXT_LINE_POINT(pi->iter);
681 static PyTypeObject cvlineiterator_Type = {
682 PyObject_HEAD_INIT(&PyType_Type)
684 MODULESTR".cvlineiterator", /*name*/
685 sizeof(cvlineiterator_t), /*basicsize*/
688 static void cvlineiterator_specials(void)
690 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
691 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
694 /************************************************************************/
698 static void memtrack_dealloc(PyObject *self)
700 memtrack_t *pi = (memtrack_t*)self;
701 // printf("===> memtrack_dealloc %p!\n", pi->ptr);
706 static PyTypeObject memtrack_Type = {
707 PyObject_HEAD_INIT(&PyType_Type)
709 MODULESTR".memtrack", /*name*/
710 sizeof(memtrack_t), /*basicsize*/
713 Py_ssize_t memtrack_getreadbuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
715 *ptrptr = &((memtrack_t*)self)->ptr;
716 return ((memtrack_t*)self)->size;
719 Py_ssize_t memtrack_getwritebuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
721 *ptrptr = ((memtrack_t*)self)->ptr;
722 return ((memtrack_t*)self)->size;
725 Py_ssize_t memtrack_getsegcount(PyObject *self, Py_ssize_t *lenp)
727 return (Py_ssize_t)1;
730 PyBufferProcs memtrack_as_buffer = {
731 memtrack_getreadbuffer,
732 memtrack_getwritebuffer,
736 static void memtrack_specials(void)
738 memtrack_Type.tp_dealloc = memtrack_dealloc;
739 memtrack_Type.tp_as_buffer = &memtrack_as_buffer;
742 /************************************************************************/
746 static void iplconvkernel_dealloc(PyObject *self)
748 iplconvkernel_t *pi = (iplconvkernel_t*)self;
749 cvReleaseStructuringElement(&(pi->a));
753 static PyTypeObject iplconvkernel_Type = {
754 PyObject_HEAD_INIT(&PyType_Type)
756 MODULESTR".iplconvkernel", /*name*/
757 sizeof(iplconvkernel_t), /*basicsize*/
760 static void iplconvkernel_specials(void)
762 iplconvkernel_Type.tp_dealloc = iplconvkernel_dealloc;
765 /************************************************************************/
769 static void cvcapture_dealloc(PyObject *self)
771 cvcapture_t *pi = (cvcapture_t*)self;
772 cvReleaseCapture(&(pi->a));
776 static PyTypeObject cvcapture_Type = {
777 PyObject_HEAD_INIT(&PyType_Type)
779 MODULESTR".cvcapture", /*name*/
780 sizeof(cvcapture_t), /*basicsize*/
783 static void cvcapture_specials(void)
785 cvcapture_Type.tp_dealloc = cvcapture_dealloc;
788 /************************************************************************/
792 static void cvvideowriter_dealloc(PyObject *self)
794 cvvideowriter_t *pi = (cvvideowriter_t*)self;
795 cvReleaseVideoWriter(&(pi->a));
799 static PyTypeObject cvvideowriter_Type = {
800 PyObject_HEAD_INIT(&PyType_Type)
802 MODULESTR".cvvideowriter", /*name*/
803 sizeof(cvvideowriter_t), /*basicsize*/
806 static void cvvideowriter_specials(void)
808 cvvideowriter_Type.tp_dealloc = cvvideowriter_dealloc;
813 /************************************************************************/
817 static PyTypeObject cvmoments_Type = {
818 PyObject_HEAD_INIT(&PyType_Type)
820 MODULESTR".cvmoments", /*name*/
821 sizeof(cvmoments_t), /*basicsize*/
824 static void cvmoments_specials(void)
828 /************************************************************************/
832 static void cvmemstorage_dealloc(PyObject *self)
834 cvmemstorage_t *ps = (cvmemstorage_t*)self;
835 cvReleaseMemStorage(&(ps->a));
839 static PyTypeObject cvmemstorage_Type = {
840 PyObject_HEAD_INIT(&PyType_Type)
842 MODULESTR".cvmemstorage", /*name*/
843 sizeof(cvmemstorage_t), /*basicsize*/
846 static void cvmemstorage_specials(void)
848 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
851 /************************************************************************/
855 static PyTypeObject cvfont_Type = {
856 PyObject_HEAD_INIT(&PyType_Type)
858 MODULESTR".cvfont", /*name*/
859 sizeof(cvfont_t), /*basicsize*/
862 static void cvfont_specials(void) { }
864 /************************************************************************/
868 static void cvpositobject_dealloc(PyObject *self)
870 cvpositobject_t *pi = (cvpositobject_t*)self;
871 cvReleasePOSITObject(&(pi->a));
875 static PyTypeObject cvpositobject_Type = {
876 PyObject_HEAD_INIT(&PyType_Type)
878 MODULESTR".cvpositobject", /*name*/
879 sizeof(cvpositobject_t), /*basicsize*/
882 static void cvpositobject_specials(void)
884 cvpositobject_Type.tp_dealloc = cvpositobject_dealloc;
887 /************************************************************************/
891 static PyTypeObject cvrng_Type = {
892 PyObject_HEAD_INIT(&PyType_Type)
894 MODULESTR".cvrng", /*name*/
895 sizeof(cvrng_t), /*basicsize*/
898 static void cvrng_specials(void)
902 /************************************************************************/
904 /* cvhaarclassifiercascade */
906 static PyTypeObject cvhaarclassifiercascade_Type = {
907 PyObject_HEAD_INIT(&PyType_Type)
909 MODULESTR".cvhaarclassifiercascade", /*name*/
910 sizeof(cvhaarclassifiercascade_t), /*basicsize*/
913 static void cvhaarclassifiercascade_specials(void) { }
915 /************************************************************************/
919 static PyTypeObject cvcontourtree_Type = {
920 PyObject_HEAD_INIT(&PyType_Type)
922 MODULESTR".cvcontourtree", /*name*/
923 sizeof(cvcontourtree_t), /*basicsize*/
926 static void cvcontourtree_specials(void) { }
929 /************************************************************************/
933 static PyTypeObject cvsubdiv2dedge_Type = {
934 PyObject_HEAD_INIT(&PyType_Type)
936 MODULESTR".cvsubdiv2dedge", /*name*/
937 sizeof(cvsubdiv2dedge_t), /*basicsize*/
940 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
942 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
943 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
946 else if (e1->a > e2->a)
952 static PyObject *cvquadedge_repr(PyObject *self)
954 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
956 sprintf(str, "<cvsubdiv2dedge(");
957 char *d = str + strlen(str);
958 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
961 return PyString_FromString(str);
964 static void cvsubdiv2dedge_specials(void) {
965 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
966 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
969 /************************************************************************/
973 static void cvseq_dealloc(PyObject *self)
975 cvseq_t *ps = (cvseq_t*)self;
976 Py_DECREF(ps->container);
980 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
981 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
982 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
983 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
985 static struct PyMethodDef cvseq_methods[] =
987 {"h_next", cvseq_h_next, METH_VARARGS},
988 {"h_prev", cvseq_h_prev, METH_VARARGS},
989 {"v_next", cvseq_v_next, METH_VARARGS},
990 {"v_prev", cvseq_v_prev, METH_VARARGS},
994 static Py_ssize_t cvseq_seq_length(PyObject *o)
996 cvseq_t *ps = (cvseq_t*)o;
997 return (Py_ssize_t)(ps->a->total);
1000 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
1002 cvseq_t *ps = (cvseq_t*)o;
1010 if (i < (Py_ssize_t)(ps->a->total)) {
1011 switch (CV_SEQ_ELTYPE(ps->a)) {
1013 case CV_SEQ_ELTYPE_POINT:
1014 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
1015 return Py_BuildValue("ii", pt->x, pt->y);
1017 case CV_SEQ_ELTYPE_GENERIC:
1018 switch (ps->a->elem_size) {
1019 case sizeof(CvQuadEdge2D):
1021 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1022 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
1023 r->container = ps->container;
1024 Py_INCREF(r->container);
1025 return (PyObject*)r;
1028 printf("seq elem size is %d\n", ps->a->elem_size);
1029 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
1032 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
1034 case CV_SEQ_ELTYPE_PTR:
1035 case CV_SEQ_ELTYPE_INDEX:
1036 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
1039 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
1040 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
1043 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
1044 return Py_BuildValue("ff", pt2->x, pt2->y);
1046 case CV_SEQ_ELTYPE_POINT3D:
1047 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
1048 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
1051 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1059 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1061 cvseq_t *ps = (cvseq_t*)o;
1062 if (PyInt_Check(item)) {
1063 long i = PyInt_AS_LONG(item);
1066 return cvseq_seq_getitem(o, i);
1067 } else if (PySlice_Check(item)) {
1068 Py_ssize_t start, stop, step, slicelength, cur, i;
1071 if (PySlice_GetIndicesEx((PySliceObject*)item, ps->a->total,
1072 &start, &stop, &step, &slicelength) < 0) {
1076 if (slicelength <= 0) {
1077 return PyList_New(0);
1079 result = PyList_New(slicelength);
1080 if (!result) return NULL;
1082 for (cur = start, i = 0; i < slicelength;
1084 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1090 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1096 PySequenceMethods cvseq_sequence = {
1103 static PyMappingMethods cvseq_mapping = {
1109 static PyTypeObject cvseq_Type = {
1110 PyObject_HEAD_INIT(&PyType_Type)
1112 MODULESTR".cvseq", /*name*/
1113 sizeof(cvseq_t), /*basicsize*/
1116 static void cvseq_specials(void)
1118 cvseq_Type.tp_dealloc = cvseq_dealloc;
1119 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1120 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1121 cvseq_Type.tp_methods = cvseq_methods;
1124 #define MK_ACCESSOR(FIELD) \
1125 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1127 cvseq_t *ps = (cvseq_t*)self; \
1129 if (s->FIELD == NULL) { \
1132 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1134 r->container = ps->container; \
1135 Py_INCREF(r->container); \
1136 return (PyObject*)r; \
1146 /************************************************************************/
1150 static void cvset_dealloc(PyObject *self)
1152 cvset_t *ps = (cvset_t*)self;
1153 Py_DECREF(ps->container);
1157 static PyTypeObject cvset_Type = {
1158 PyObject_HEAD_INIT(&PyType_Type)
1160 MODULESTR".cvset", /*name*/
1161 sizeof(cvset_t), /*basicsize*/
1164 static PyObject *cvset_iter(PyObject *o)
1167 cvset_t *ps = (cvset_t*)o;
1172 static PyObject *cvset_next(PyObject *o)
1174 cvset_t *ps = (cvset_t*)o;
1176 while (ps->i < ps->a->total) {
1177 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1178 int prev_i = ps->i++;
1180 return cvseq_seq_getitem(o, prev_i);
1186 static void cvset_specials(void)
1188 cvset_Type.tp_dealloc = cvset_dealloc;
1189 cvset_Type.tp_iter = cvset_iter;
1190 cvset_Type.tp_iternext = cvset_next;
1193 /************************************************************************/
1197 static PyTypeObject cvsubdiv2d_Type = {
1198 PyObject_HEAD_INIT(&PyType_Type)
1200 MODULESTR".cvsubdiv2d", /*name*/
1201 sizeof(cvsubdiv2d_t), /*basicsize*/
1204 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1206 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1207 if (strcmp(PyString_AsString(name), "edges") == 0) {
1208 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1210 r->container = p->container;
1211 Py_INCREF(r->container);
1212 return (PyObject*)r;
1214 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1219 static void cvsubdiv2d_specials(void)
1221 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1224 /************************************************************************/
1226 /* cvsubdiv2dpoint */
1228 static PyTypeObject cvsubdiv2dpoint_Type = {
1229 PyObject_HEAD_INIT(&PyType_Type)
1231 MODULESTR".cvsubdiv2dpoint", /*name*/
1232 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1235 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1237 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1238 if (strcmp(PyString_AsString(name), "first") == 0) {
1239 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1241 r->container = p->container;
1242 Py_INCREF(r->container);
1243 return (PyObject*)r;
1244 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1245 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1247 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1252 static void cvsubdiv2dpoint_specials(void)
1254 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1257 /************************************************************************/
1258 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1260 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1262 if (PyString_Check(o) && PyString_Size(o) == 1) {
1263 *dst = PyString_AsString(o)[0];
1267 return failmsg("Expected single character string for argument '%s'", name);
1271 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1273 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1274 (*dst) = (((cvmemstorage_t*)o)->a);
1277 (*dst) = (CvMemStorage*)NULL;
1278 return failmsg("Expected CvMemStorage for argument '%s'", name);
1282 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1284 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1285 (*dst) = (((cvseq_t*)o)->a);
1288 (*dst) = (CvSeq*)NULL;
1289 return failmsg("Expected CvSeq for argument '%s'", name);
1293 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1295 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1296 return failmsg("CvSize argument '%s' expects two integers", name);
1301 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1303 if (PySequence_Check(o)) {
1304 PyObject *fi = PySequence_Fast(o, name);
1307 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1308 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1309 if (PyNumber_Check(item))
1310 s->val[i] = PyFloat_AsDouble(item);
1312 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1316 if (PyNumber_Check(o)) {
1317 s->val[0] = PyFloat_AsDouble(o);
1319 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1325 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1327 if (!PySequence_Check(o))
1328 return failmsg("Expected sequence for point list argument '%s'", name);
1329 PyObject *fi = PySequence_Fast(o, name);
1332 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1333 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1334 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1335 if (!PyTuple_Check(item))
1336 return failmsg("Expected tuple for element in point list argument '%s'", name);
1337 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1345 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1347 PyObject *fi = PySequence_Fast(o, name);
1350 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1351 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1352 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1353 if (!PyTuple_Check(item))
1354 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1355 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1363 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1365 PyObject *fi = PySequence_Fast(o, name);
1368 *p = new CvPoint3D32f[PySequence_Fast_GET_SIZE(fi)];
1369 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1370 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1371 if (!PyTuple_Check(item))
1372 return failmsg("Expected tuple for CvPoint3D32f argument '%s'", name);
1373 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1381 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1383 if (!PyArg_ParseTuple(o,
1386 &dst->responseThreshold,
1387 &dst->lineThresholdProjected,
1388 &dst->lineThresholdBinarized,
1389 &dst->suppressNonmaxSize))
1390 return failmsg("CvRect argument '%s' expects four integers", name);
1395 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1397 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1398 return failmsg("CvRect argument '%s' expects four integers", name);
1403 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1406 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1407 return failmsg("CvRect argument '%s' expects four integers", name);
1412 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1414 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1415 return failmsg("CvSlice argument '%s' expects two integers", name);
1420 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1422 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1423 return failmsg("CvPoint argument '%s' expects two integers", name);
1428 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1430 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1431 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1436 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1438 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1439 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1444 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1446 iplimage_t *ipl = (iplimage_t*)o;
1448 Py_ssize_t buffer_len;
1450 if (!is_iplimage(o)) {
1451 return failmsg("Argument '%s' must be IplImage", name);
1452 } else if (PyString_Check(ipl->data)) {
1453 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1454 assert(cvGetErrStatus() == 0);
1457 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1458 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1459 assert(cvGetErrStatus() == 0);
1463 return failmsg("IplImage argument '%s' has no data", name);
1467 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1469 cvmat_t *m = (cvmat_t*)o;
1471 Py_ssize_t buffer_len;
1474 return failmsg("Argument '%s' must be CvMat", name);
1476 m->a->refcount = NULL;
1477 if (m->data && PyString_Check(m->data)) {
1478 assert(cvGetErrStatus() == 0);
1479 char *ptr = PyString_AsString(m->data) + m->offset;
1480 cvSetData(m->a, ptr, m->a->step);
1481 assert(cvGetErrStatus() == 0);
1484 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1485 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1486 assert(cvGetErrStatus() == 0);
1490 return failmsg("CvMat argument '%s' has no data", name);
1495 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1497 cvmatnd_t *m = (cvmatnd_t*)o;
1499 Py_ssize_t buffer_len;
1501 if (!is_cvmatnd(o)) {
1502 return failmsg("Argument '%s' must be CvMatND", name);
1503 } else if (m->data && PyString_Check(m->data)) {
1504 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1507 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1508 m->a->data.ptr = ((uchar*)buffer + m->offset);
1512 return failmsg("CvMatND argument '%s' has no data", name);
1516 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1521 } else if (is_iplimage(o)) {
1522 return convert_to_IplImage(o, (IplImage**)dst, name);
1523 } else if (is_cvmat(o)) {
1524 return convert_to_CvMat(o, (CvMat**)dst, name);
1525 } else if (is_cvmatnd(o)) {
1526 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1528 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1532 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1534 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1535 cvhistogram_t *ht = (cvhistogram_t*)o;
1537 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1539 *dst = (CvHistogram *)NULL;
1540 return failmsg("Expected CvHistogram for argument '%s'", name);
1544 // Used by FillPoly, FillConvexPoly, PolyLine
1545 struct pts_npts_contours {
1551 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1553 PyObject *fi = PySequence_Fast(o, name);
1556 dst->contours = PySequence_Fast_GET_SIZE(fi);
1557 dst->pts = new CvPoint*[dst->contours];
1558 dst->npts = new int[dst->contours];
1559 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1560 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1562 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1572 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1574 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1575 return convert_to_CvSeq(o, (CvSeq**)&(dst->v), name);
1576 } else if (PySequence_Check(o)) {
1577 PyObject *fi = PySequence_Fast(o, name);
1580 Py_ssize_t size = -1;
1581 // Make a pass through the sequence, checking that each element is
1582 // a sequence and that they are all the same size
1583 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1584 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1586 if (!PySequence_Check(e))
1587 return failmsg("Sequence '%s' must contain sequences", name);
1589 size = (int)PySequence_Size(e);
1590 else if (size != PySequence_Size(e))
1591 return failmsg("All elements of sequence '%s' must be same size", name);
1594 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1595 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1596 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1597 PyObject *fe = PySequence_Fast(e, name);
1599 int *pdst = (int*)cvPtr2D(mt, i, 0);
1600 for (Py_ssize_t j = 0; j < size; j++) {
1601 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1609 return convert_to_CvArr(o, (CvArr**)&(dst->v), name);
1613 struct cvarr_count {
1618 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1620 PyObject *fi = PySequence_Fast(o, name);
1623 dst->count = PySequence_Fast_GET_SIZE(fi);
1624 dst->cvarr = new CvArr*[dst->count];
1625 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1626 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1639 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1641 PyObject *fi = PySequence_Fast(o, name);
1644 dst->count = PySequence_Fast_GET_SIZE(fi);
1645 dst->pairs = new int[2 * dst->count];
1646 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1647 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1648 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1656 struct cvpoint2d32f_count {
1657 CvPoint2D32f* points;
1661 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1663 if (PyInt_Check(o)) {
1664 dst->count = PyInt_AsLong(o);
1665 dst->points = new CvPoint2D32f[dst->count];
1668 return failmsg("Expected integer for CvPoint2D32f count");
1676 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1678 PyObject *fi = PySequence_Fast(o, name);
1681 dst->count = PySequence_Fast_GET_SIZE(fi);
1682 dst->f = new float[dst->count];
1683 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1684 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1685 dst->f[i] = (float)PyFloat_AsDouble(item);
1695 /// convert_to_chars not used
1701 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1703 PyObject *fi = PySequence_Fast(o, name);
1706 dst->count = PySequence_Fast_GET_SIZE(fi);
1707 dst->p = new CvPoint[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 convert_to_CvPoint(item, &dst->p[i], name);
1716 struct CvPoint3D32fs {
1720 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1722 PyObject *fi = PySequence_Fast(o, name);
1725 dst->count = PySequence_Fast_GET_SIZE(fi);
1726 dst->p = new CvPoint3D32f[dst->count];
1727 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1728 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1729 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1735 struct CvPoint2D32fs {
1739 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1741 PyObject *fi = PySequence_Fast(o, name);
1744 dst->count = PySequence_Fast_GET_SIZE(fi);
1745 dst->p = new CvPoint2D32f[dst->count];
1746 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1747 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1748 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1758 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1760 PyObject *fi = PySequence_Fast(o, name);
1763 dst->count = PySequence_Fast_GET_SIZE(fi);
1764 dst->i = new int[dst->count];
1765 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1766 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1767 dst->i[i] = PyInt_AsLong(item);
1777 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1779 PyObject *fi = PySequence_Fast(o, name);
1782 dst->count = PySequence_Fast_GET_SIZE(fi);
1783 dst->i = new int[dst->count + 1];
1784 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1785 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1786 dst->i[i] = PyInt_AsLong(item);
1788 dst->i[dst->count] = 0;
1797 int step[CV_MAX_DIM];
1798 int length[CV_MAX_DIM];
1801 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1803 if (PySlice_Check(item)) {
1804 Py_ssize_t start, stop, step, slicelength;
1805 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1807 dst->step[i] = step;
1808 dst->length[i] = slicelength;
1810 int index = PyInt_AsLong(item);
1814 dst->i[i] = cvGetDimSize(cva, i) + index;
1821 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1823 if (!PyTuple_Check(o)) {
1825 return convert_to_dim(o, 0, dst, cva, name);
1827 PyObject *fi = PySequence_Fast(o, name);
1829 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1832 dst->count = PySequence_Fast_GET_SIZE(fi);
1833 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1834 if (i >= cvGetDims(cva)) {
1835 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1837 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1838 if (!convert_to_dim(item, i, dst, cva, name))
1850 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1852 PyObject *fi = PySequence_Fast(o, name);
1855 dst->count = PySequence_Fast_GET_SIZE(fi);
1856 dst->ims = new IplImage*[dst->count];
1857 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1858 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1859 if (!convert_to_IplImage(item, &dst->ims[i]))
1870 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
1872 PyObject *fi = PySequence_Fast(o, name);
1875 dst->count = PySequence_Fast_GET_SIZE(fi);
1876 dst->ims = new CvArr*[dst->count];
1877 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1878 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1879 if (!convert_to_CvArr(item, &dst->ims[i]))
1886 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
1888 PyObject *fi = PySequence_Fast(o, name);
1891 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
1892 float **r = new float*[sz];
1893 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1894 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1896 if (!convert_to_floats(item, &ff))
1904 static int convert_to_IplConvKernelPTR(PyObject *o, IplConvKernel** dst, const char *name = "no_name")
1906 if (PyType_IsSubtype(o->ob_type, &iplconvkernel_Type)) {
1907 *dst = ((iplconvkernel_t*)o)->a;
1910 (*dst) = (IplConvKernel*)NULL;
1911 return failmsg("Expected IplConvKernel for argument '%s'", name);
1915 static int convert_to_CvCapturePTR(PyObject *o, CvCapture** dst, const char *name = "no_name")
1917 if (PyType_IsSubtype(o->ob_type, &cvcapture_Type)) {
1918 *dst = ((cvcapture_t*)o)->a;
1921 (*dst) = (CvCapture*)NULL;
1922 return failmsg("Expected CvCapture for argument '%s'", name);
1926 static int convert_to_CvVideoWriterPTR(PyObject *o, CvVideoWriter** dst, const char *name = "no_name")
1928 if (PyType_IsSubtype(o->ob_type, &cvvideowriter_Type)) {
1929 *dst = ((cvvideowriter_t*)o)->a;
1932 (*dst) = (CvVideoWriter*)NULL;
1933 return failmsg("Expected CvVideoWriter for argument '%s'", name);
1937 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
1939 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
1940 (*dst) = &(((cvmoments_t*)o)->a);
1943 (*dst) = (CvMoments*)NULL;
1944 return failmsg("Expected CvMoments for argument '%s'", name);
1948 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
1950 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
1951 (*dst) = &(((cvfont_t*)o)->a);
1954 (*dst) = (CvFont*)NULL;
1955 return failmsg("Expected CvFont for argument '%s'", name);
1959 static int convert_to_CvHaarClassifierCascadePTR(PyObject *o, CvHaarClassifierCascade** dst, const char *name = "no_name")
1961 if (PyType_IsSubtype(o->ob_type, &cvhaarclassifiercascade_Type)) {
1962 (*dst) = ((cvhaarclassifiercascade_t*)o)->a;
1965 (*dst) = (CvHaarClassifierCascade*)NULL;
1966 return failmsg("Expected CvHaarClassifierCascade for argument '%s'", name);
1970 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
1972 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
1973 (*dst) = ((cvcontourtree_t*)o)->a;
1977 return failmsg("Expected CvContourTree for argument '%s'", name);
1981 static int convert_to_CvPOSITObjectPTR(PyObject *o, CvPOSITObject** dst, const char *name = "no_name")
1983 if (PyType_IsSubtype(o->ob_type, &cvpositobject_Type)) {
1984 (*dst) = ((cvpositobject_t*)o)->a;
1987 (*dst) = (CvPOSITObject*)NULL;
1988 return failmsg("Expected CvPOSITObject for argument '%s'", name);
1992 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
1994 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
1995 (*dst) = &(((cvrng_t*)o)->a);
1998 (*dst) = (CvRNG*)NULL;
1999 return failmsg("Expected CvRNG for argument '%s'", name);
2003 typedef void* generic;
2004 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
2006 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
2007 return convert_to_IplImage(o, (IplImage**)dst, name);
2008 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
2009 return convert_to_CvMat(o, (CvMat**)dst, name);
2010 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
2011 return convert_to_CvMatND(o, (CvMatND**)dst, name);
2013 return failmsg("Cannot identify type of '%s'", name);
2017 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
2019 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
2024 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
2026 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
2031 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
2033 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
2034 (*dst) = (((cvsubdiv2d_t*)o)->a);
2037 (*dst) = (CvSubdiv2D*)NULL;
2038 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
2042 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
2044 if (!PyNumber_Check(o)) {
2045 *dst = (CvNextEdgeType)NULL;
2046 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
2048 *dst = (CvNextEdgeType)PyInt_AsLong(o);
2053 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
2055 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
2056 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2060 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2064 /************************************************************************/
2066 static PyObject *pythonize_CvMat(cvmat_t *m)
2068 // Need to make this CvMat look like any other, with a Python
2069 // buffer object as its data.
2070 // So copy the image data into a Python string object, then release
2073 assert(mat->step != 0);
2074 // PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2075 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2076 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2077 o->ptr = mat->refcount;
2078 o->size = mat->rows * mat->step;
2079 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2086 // Now m has a reference to data, which has a reference to o.
2088 // cvDecRefData(mat); // Ref count should be zero here, so this is a release
2089 return (PyObject*)m;
2092 static PyObject *pythonize_IplImage(iplimage_t *cva)
2094 // Need to make this iplimage look like any other, with a Python
2095 // string as its data.
2096 // So copy the image data into a Python string object, then release
2099 IplImage *ipl = (IplImage*)(cva->a);
2100 PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2105 return (PyObject*)cva;
2108 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2111 // Need to make this CvMatND look like any other, with a Python
2112 // string as its data.
2113 // So copy the image data into a Python string object, then release
2117 CvMatND *mat = m->a;
2118 assert(mat->dim[0].step != 0);
2119 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2122 cvDecRefData(mat); // Ref count should be zero here, so this is a release
2124 return (PyObject*)m;
2127 /************************************************************************/
2128 /* FROM_xxx: C -> Python converters.
2130 * Turn various OpenCV types (and some aggregate types above)
2131 * into Python objects. Used by the generated code.
2133 * All these functions and macros return a new reference.
2136 #define FROM_double(r) PyFloat_FromDouble(r)
2137 #define FROM_float(r) PyFloat_FromDouble(r)
2138 #define FROM_int(r) PyInt_FromLong(r)
2139 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
2140 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
2141 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
2142 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
2143 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", r.area, FROM_CvScalar(r.value), FROM_CvRect(r.rect))
2144 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
2145 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
2146 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
2147 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
2148 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
2149 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
2151 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2153 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2155 ps->container = storage;
2156 Py_INCREF(ps->container);
2157 return (PyObject*)ps;
2160 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2162 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2164 ps->container = storage;
2165 Py_INCREF(ps->container);
2166 return (PyObject*)ps;
2169 static PyObject *FROM_floats(floats r)
2173 pr = PyList_New(r.count);
2174 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2175 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2180 static PyObject *FROM_chars(chars r)
2184 pr = PyList_New(r.count);
2185 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2186 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2191 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2195 pr = PyList_New(r.count);
2196 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2197 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2202 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2206 pr = PyList_New(r.count);
2207 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2208 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2213 typedef CvSeq CvSeqOfCvConvexityDefect;
2214 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2217 pr = PyList_New(r->total);
2218 for (int i = 0; i < r->total; i++) {
2219 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2220 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2221 pd->start->x, pd->start->y,
2222 pd->end->x, pd->end->y,
2223 pd->depth_point->x, pd->depth_point->y,
2226 // This function has copied the CvSeq data into a list. Hence the
2227 // CvSeq is not being returned to the caller. Hence, no reference
2228 // count increase for the storage, unlike _FROM_CvSeqPTR.
2232 typedef CvSeq CvSeqOfCvAvgComp;
2233 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2236 pr = PyList_New(r->total);
2237 for (int i = 0; i < r->total; i++) {
2238 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2239 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2240 pd->rect.x, pd->rect.y,
2241 pd->rect.width, pd->rect.height,
2244 // This function has copied the CvSeq data into a list. Hence the
2245 // CvSeq is not being returned to the caller. Hence, no reference
2246 // count increase for the storage, unlike _FROM_CvSeqPTR.
2250 typedef CvSeq CvSeqOfCvStarKeypoint;
2251 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2254 pr = PyList_New(r->total);
2255 for (int i = 0; i < r->total; i++) {
2256 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2257 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2262 // This function has copied the CvSeq data into a list. Hence the
2263 // CvSeq is not being returned to the caller. Hence, no reference
2264 // count increase for the storage, unlike _FROM_CvSeqPTR.
2268 typedef CvSeq CvSeqOfCvSURFPoint;
2269 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2272 pr = PyList_New(r->total);
2273 for (int i = 0; i < r->total; i++) {
2274 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2275 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2282 // This function has copied the CvSeq data into a list. Hence the
2283 // CvSeq is not being returned to the caller. Hence, no reference
2284 // count increase for the storage, unlike _FROM_CvSeqPTR.
2288 typedef CvSeq CvSeqOfCvSURFDescriptor;
2289 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2292 pr = PyList_New(r->total);
2293 for (int i = 0; i < r->total; i++) {
2294 float *pd = (float*)cvGetSeqElem(r, i);
2295 int count = r->elem_size / sizeof(float);
2296 PyObject *oi = PyList_New(count);
2297 for (int j = 0; j < count; j++) {
2298 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2300 PyList_SetItem(pr, i, oi);
2302 // This function has copied the CvSeq data into a list. Hence the
2303 // CvSeq is not being returned to the caller. Hence, no reference
2304 // count increase for the storage, unlike _FROM_CvSeqPTR.
2308 static PyObject *FROM_IplConvKernelPTR(IplConvKernel *r)
2310 iplconvkernel_t *ick = PyObject_NEW(iplconvkernel_t, &iplconvkernel_Type);
2312 return (PyObject*)ick;
2315 static PyObject *FROM_CvCapturePTR(CvCapture *r)
2317 cvcapture_t *c = PyObject_NEW(cvcapture_t, &cvcapture_Type);
2319 return (PyObject*)c;
2322 static PyObject *FROM_CvVideoWriterPTR(CvVideoWriter *r)
2324 cvvideowriter_t *c = PyObject_NEW(cvvideowriter_t, &cvvideowriter_Type);
2326 return (PyObject*)c;
2329 typedef CvPoint2D32f CvPoint2D32f_4[4];
2330 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2332 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2339 typedef float CvMatr32f_i[9];
2341 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2343 return Py_BuildValue("(fff)(fff)(fff)",
2349 typedef float CvVect32f_i[3];
2350 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2352 return Py_BuildValue("fff",
2356 static PyObject *FROM_CvFont(CvFont r)
2358 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2360 return (PyObject*)cf;
2363 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2366 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2368 return (PyObject*)cf;
2375 static PyObject *FROM_IplImagePTR(IplImage *r)
2377 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2379 return pythonize_IplImage(cva);
2382 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2385 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2386 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2388 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2390 return (PyObject*)cva;
2396 static PyObject *FROM_CvMatPTR(CvMat *r)
2398 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2401 return pythonize_CvMat(cvm);
2404 static PyObject *FROM_CvMat(CvMat *r)
2406 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2408 return pythonize_CvMat(m);
2411 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2413 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2415 return pythonize_CvMatND(m);
2418 static PyObject *FROM_CvPOSITObjectPTR(CvPOSITObject *r)
2420 cvpositobject_t *m = PyObject_NEW(cvpositobject_t, &cvpositobject_Type);
2422 return (PyObject*)m;
2425 static PyObject *FROM_CvRNG(CvRNG r)
2427 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2429 return (PyObject*)m;
2432 static PyObject *FROM_CvHaarClassifierCascade(CvHaarClassifierCascade *r)
2434 cvhaarclassifiercascade_t *m = PyObject_NEW(cvhaarclassifiercascade_t, &cvhaarclassifiercascade_Type);
2436 return (PyObject*)m;
2439 static PyObject *FROM_CvMoments(CvMoments r)
2441 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2443 return (PyObject*)m;
2446 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2448 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2450 return (PyObject*)m;
2453 static PyObject *FROM_generic(generic r)
2455 CvTypeInfo* t = cvTypeOf(r);
2457 failmsg("OpenCV returned NULL");
2459 } if (strcmp(t->type_name, "opencv-image") == 0)
2460 return FROM_IplImagePTR((IplImage*)r);
2461 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2462 return FROM_CvMat((CvMat*)r);
2463 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2464 return FROM_CvHaarClassifierCascade((CvHaarClassifierCascade*)r);
2466 failmsg("Unknown OpenCV type '%s'", t->type_name);
2471 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2473 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2475 m->container = Py_None; // XXX
2476 Py_INCREF(m->container);
2477 return (PyObject*)m;
2480 /************************************************************************/
2482 /* A few functions are too odd to be generated,
2483 * so are handwritten here */
2485 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2489 const char *keywords[] = { "delay", NULL };
2490 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2493 Py_BEGIN_ALLOW_THREADS
2494 r = cvWaitKey(delay);
2495 Py_END_ALLOW_THREADS
2499 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2501 const char *keywords[] = { "filename", "iscolor", NULL };
2503 int iscolor = CV_LOAD_IMAGE_COLOR;
2505 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2508 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2509 // So make a local copy 'filename_copy'.
2510 char filename_copy[2048];
2511 strncpy(filename_copy, filename, sizeof(filename_copy));
2514 Py_BEGIN_ALLOW_THREADS
2515 r = cvLoadImage(filename_copy, iscolor);
2516 Py_END_ALLOW_THREADS
2519 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2522 return FROM_IplImagePTR(r);
2526 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2528 int w, h, depth, channels;
2529 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2531 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2532 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2533 if (cva->a == NULL) {
2534 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2537 cva->data = Py_None;
2538 Py_INCREF(cva->data);
2541 return (PyObject*)cva;
2545 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2547 int w, h, depth, channels;
2548 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2550 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2551 cva->a = cvCreateImage(cvSize(w, h), depth, channels);
2552 if (cva->a == NULL) {
2553 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2556 return pythonize_IplImage(cva);
2560 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2562 int rows, cols, type;
2563 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2565 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2566 m->a = cvCreateMatHeader(rows, cols, type);
2568 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2574 return (PyObject*)m;
2578 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2580 int rows, cols, type;
2581 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2583 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2584 m->a = cvCreateMat(rows, cols, type);
2586 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2589 return pythonize_CvMat(m);
2593 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2598 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2600 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2601 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2605 return (PyObject*)m;
2609 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2614 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2616 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2617 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2618 return pythonize_CvMatND(m);
2621 static PyObject *pycvCreateHist(PyObject *self, PyObject *args)
2625 float **ranges = NULL;
2628 if (!PyArg_ParseTuple(args, "Oi|O&i", &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2631 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2632 args = Py_BuildValue("Ni", dims, CV_32FC1);
2633 h->bins = pycvCreateMatND(self, args);
2635 if (h->bins == NULL) {
2638 h->h.type = CV_HIST_MAGIC_VAL;
2639 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2642 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2644 return (PyObject*)h;
2647 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args)
2652 int connectivity = 8;
2653 int left_to_right = 0;
2655 if (!PyArg_ParseTuple(args, "O&O&O&|ii",
2656 convert_to_CvArr, &image,
2657 convert_to_CvPoint, &pt1,
2658 convert_to_CvPoint, &pt2,
2663 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2664 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2665 ERRWRAP(pi->type = cvGetElemType(image));
2666 return (PyObject*)pi;
2669 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2672 if (!PyArg_ParseTuple(args, "|i", &block_size))
2674 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2675 pm->a = cvCreateMemStorage(block_size);
2676 return (PyObject*)pm;
2679 // single index: return row
2680 // 2 indices: row, column
2681 // both row and column can be slices. column slice must have a step of 1.
2683 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2685 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2690 if (!convert_to_CvArr(o, &cva, "src"))
2693 if (!convert_to_dims(key, &dd, cva, "key")) {
2697 // Figure out if all supplied indices have a stride of zero - means they are not slices
2698 // and if all indices are positive
2700 for (int i = 0; i < dd.count; i++) {
2701 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2704 // if every dimension supplied, and none are slices, return the scalar
2705 if ((cvGetDims(cva) == dd.count) && all0) {
2707 ERRWRAP(s = cvGetND(cva, dd.i));
2708 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2710 // pad missing dimensions
2711 for (int i = dd.count; i < cvGetDims(cva); i++) {
2714 dd.length[i] = cvGetDimSize(cva, i);
2716 dd.count = cvGetDims(cva);
2718 // negative steps are illegal for OpenCV
2719 for (int i = 0; i < dd.count; i++) {
2721 return (PyObject*)failmsg("Negative step is illegal");
2724 // zero length illegal for OpenCV
2725 for (int i = 0; i < dd.count; i++) {
2726 if (dd.length[i] == 0)
2727 return (PyObject*)failmsg("Zero sized dimension is illegal");
2730 // column step can only be 0 or 1
2731 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2732 return (PyObject*)failmsg("Column step is illegal");
2734 if (is_cvmat(o) || is_iplimage(o)) {
2735 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2736 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2737 uchar *old0; // pointer to first element in old mat
2739 cvGetRawData(cva, &old0, &oldstep);
2740 uchar *new0; // pointer to first element in new mat
2741 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2743 sub->a->step = oldstep * dd.step[0];
2744 sub->data = what_data(o);
2745 Py_INCREF(sub->data);
2746 sub->offset = new0 - old0;
2747 return (PyObject*)sub;
2749 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2750 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2751 uchar *old0; // pointer to first element in old mat
2752 cvGetRawData(cva, &old0);
2753 uchar *new0; // pointer to first element in new mat
2754 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2756 for (int d = 0; d < dd.count; d++) {
2757 int stp = dd.step[d];
2758 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2759 sub->a->dim[d].size = dd.length[d];
2761 sub->data = what_data(o);
2762 Py_INCREF(sub->data);
2763 sub->offset = new0 - old0;
2764 return (PyObject*)sub;
2769 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2774 if (!convert_to_CvArr(o, &cva, "src"))
2777 if (!convert_to_dims(key, &dd, cva, "key")) {
2781 if (cvGetDims(cva) != dd.count) {
2782 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2787 if (PySequence_Check(v)) {
2788 PyObject *fi = PySequence_Fast(v, "v");
2791 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
2792 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
2795 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
2796 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
2799 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
2800 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
2803 s.val[0] = PyFloat_AsDouble(v);
2807 cvSet1D(cva, dd.i[0], s);
2810 cvSet2D(cva, dd.i[0], dd.i[1], s);
2813 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
2816 cvSetND(cva, dd.i, s);
2817 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
2820 if (cvGetErrStatus() != 0) {
2821 translate_error_to_exception();
2829 static PyObject *pycvSetData(PyObject *self, PyObject *args)
2834 if (!PyArg_ParseTuple(args, "OOi", &o, &s, &step))
2836 if (is_iplimage(o)) {
2837 iplimage_t *ipl = (iplimage_t*)o;
2838 ipl->a->widthStep = step;
2839 Py_DECREF(ipl->data);
2841 Py_INCREF(ipl->data);
2842 } else if (is_cvmat(o)) {
2843 cvmat_t *m = (cvmat_t*)o;
2848 } else if (is_cvmatnd(o)) {
2849 cvmatnd_t *m = (cvmatnd_t*)o;
2854 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
2861 static PyObject *what_data(PyObject *o)
2863 if (is_iplimage(o)) {
2864 iplimage_t *ipl = (iplimage_t*)o;
2866 } else if (is_cvmat(o)) {
2867 cvmat_t *m = (cvmat_t*)o;
2869 } else if (is_cvmatnd(o)) {
2870 cvmatnd_t *m = (cvmatnd_t*)o;
2878 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
2882 if (!PyArg_ParseTuple(args, "O", &o))
2886 if (!convert_to_CvArr(o, &a, "arr"))
2888 ERRWRAP(cvCreateData(a));
2890 Py_DECREF(what_data(o));
2891 if (is_iplimage(o)) {
2892 iplimage_t *ipl = (iplimage_t*)o;
2893 pythonize_IplImage(ipl);
2894 } else if (is_cvmat(o)) {
2895 cvmat_t *m = (cvmat_t*)o;
2897 } else if (is_cvmatnd(o)) {
2898 cvmatnd_t *m = (cvmatnd_t*)o;
2899 pythonize_CvMatND(m);
2901 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
2908 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
2912 if (!PyArg_ParseTuple(args, "O", &o))
2915 if (!convert_to_CvArr(o, &cva, "src"))
2919 ERRWRAP(nd = cvGetDims(cva));
2920 PyObject *r = PyTuple_New(nd);
2921 for (i = 0; i < nd; i++)
2922 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
2926 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
2930 if (!PyArg_ParseTuple(args, "O", &o))
2932 if (is_iplimage(o)) {
2936 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
2938 if (!convert_to_CvArr(o, &cva, "src"))
2940 ERRWRAP(cvGetImage(cva, ipl));
2942 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
2944 oipl->data = what_data(o);
2945 Py_INCREF(oipl->data);
2948 r = (PyObject*)oipl;
2953 static PyObject *pycvGetMat(PyObject *self, PyObject *args)
2957 if (!PyArg_ParseTuple(args, "O", &o))
2963 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
2965 if (!convert_to_CvArr(o, &cva, "src"))
2967 ERRWRAP(cvGetMat(cva, m));
2969 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
2971 om->data = what_data(o);
2972 Py_INCREF(om->data);
2980 static PyObject *pycvReshape(PyObject *self, PyObject *args)
2986 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
2989 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
2991 if (!convert_to_CvArr(o, &cva, "src"))
2993 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
2995 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
2997 om->data = what_data(o);
2998 Py_INCREF(om->data);
3001 return (PyObject*)om;
3004 static void OnMouse(int event, int x, int y, int flags, void* param)
3006 PyGILState_STATE gstate;
3007 gstate = PyGILState_Ensure();
3009 PyObject *o = (PyObject*)param;
3010 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
3012 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3018 PyGILState_Release(gstate);
3021 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
3023 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
3026 PyObject *param = NULL;
3028 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
3030 if (!PyCallable_Check(on_mouse)) {
3031 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
3034 if (param == NULL) {
3037 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
3041 void OnChange(int pos, void *param)
3043 PyGILState_STATE gstate;
3044 gstate = PyGILState_Ensure();
3046 PyObject *o = (PyObject*)param;
3047 PyObject *args = Py_BuildValue("(i)", pos);
3048 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3052 PyGILState_Release(gstate);
3055 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args, PyObject *kw)
3057 const char *keywords[] = { "trackbar_name", "window_name", "value", "count", "on_change", NULL };
3058 PyObject *on_change;
3059 char* trackbar_name;
3061 int *value = new int;
3064 if (!PyArg_ParseTupleAndKeywords(args, kw, "ssiiO", (char**)keywords, &trackbar_name, &window_name, value, &count, &on_change))
3066 if (!PyCallable_Check(on_change)) {
3067 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3070 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3074 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3077 PyObject *pyobj_image = NULL;
3078 CvMemStorage* storage;
3079 PyObject *pyobj_storage = NULL;
3080 CvSeq* first_contour;
3081 int header_size = sizeof(CvContour);
3082 int mode = CV_RETR_LIST;
3083 int method = CV_CHAIN_APPROX_SIMPLE;
3084 CvPoint offset = cvPoint(0,0);
3085 PyObject *pyobj_offset = NULL;
3087 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3088 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3090 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3091 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3092 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3093 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3094 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3095 ps->a = first_contour;
3096 ps->container = PyTuple_GetItem(args, 1); // storage
3097 Py_INCREF(ps->container);
3098 return (PyObject*)ps;
3101 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3104 PyObject *pyobj_src_seq = NULL;
3105 int header_size = sizeof(CvContour);
3106 CvMemStorage* storage;
3107 PyObject *pyobj_storage = NULL;
3109 double parameter = 0;
3112 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3113 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3115 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3116 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3118 ERRWRAP(r = cvApproxPoly(src_seq.v, header_size, storage, method, parameter, parameter2));
3119 return FROM_CvSeqPTR(r);
3122 static float distance_function_glue( const float* a, const float* b, void* user_param )
3124 PyObject *o = (PyObject*)user_param;
3125 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3126 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3128 return (float)PyFloat_AsDouble(r);
3131 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3133 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3135 PyObject *pyobj_signature1;
3137 PyObject *pyobj_signature2;
3139 PyObject *distance_func = NULL;
3140 CvArr* cost_matrix=NULL;
3141 PyObject *pyobj_cost_matrix = NULL;
3143 PyObject *pyobj_flow = NULL;
3144 float lower_bound = 0.0;
3145 PyObject *userdata = NULL;
3147 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3157 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3158 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3159 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3160 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3162 if (distance_func == NULL) {
3163 distance_func = Py_None;
3165 if (userdata == NULL) {
3169 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3171 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3174 return PyFloat_FromDouble(r);
3177 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3179 PyObject *pyobj_subdiv;
3183 CvSubdiv2DEdge edge;
3184 CvSubdiv2DPoint* vertex;
3186 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3188 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3190 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3193 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3196 case CV_PTLOC_INSIDE:
3197 case CV_PTLOC_ON_EDGE:
3198 r = FROM_CvSubdiv2DEdge(edge);
3200 case CV_PTLOC_VERTEX:
3201 r = FROM_CvSubdiv2DPointPTR(vertex);
3203 case CV_PTLOC_OUTSIDE_RECT:
3208 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3210 return Py_BuildValue("iO", (int)loc, r);;
3213 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3216 PyObject *pyobj_prev = NULL;
3218 PyObject *pyobj_curr = NULL;
3220 PyObject *pyobj_prev_pyr = NULL;
3222 PyObject *pyobj_curr_pyr = NULL;
3223 CvPoint2D32f* prev_features;
3224 PyObject *pyobj_prev_features = NULL;
3225 PyObject *pyobj_curr_features = NULL;
3226 CvPoint2D32f* curr_features;
3229 CvTermCriteria criteria;
3232 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3233 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3234 &pyobj_prev_features,
3235 &win_size.width, &win_size.height, &level,
3236 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3238 &pyobj_curr_features))
3240 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3241 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3242 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3243 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3244 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3245 int count = (int)PySequence_Length(pyobj_prev_features);
3246 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3247 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3250 if (!pyobj_curr_features) {
3251 curr_features = new CvPoint2D32f[count];
3253 if (PySequence_Length(pyobj_curr_features) != count) {
3254 failmsg("curr_features must have same length as prev_features");
3257 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3258 flags |= CV_LKFLOW_INITIAL_GUESSES;
3260 float *track_error = new float[count];
3261 char* status = new char[count];
3262 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3264 cvpoint2d32f_count r0;
3265 r0.points = curr_features;
3276 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3279 static PyObject *pycvClipLine(PyObject *self, PyObject *args, PyObject *kw)
3282 PyObject *pyobj_img_size = NULL;
3284 PyObject *pyobj_pt1 = NULL;
3286 PyObject *pyobj_pt2 = NULL;
3288 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3290 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3291 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3292 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3294 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3298 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3302 static PyObject *temp_test(PyObject *self, PyObject *args)
3305 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3306 printf("im=%p\n", im);
3307 CvMat *m = cvEncodeImage(".jpeg", im);
3310 CvArr *im = cvLoadImage("lena.jpg", 0);
3311 float r0[] = { 0, 255 };
3312 float *ranges[] = { r0 };
3313 int hist_size[] = { 256 };
3314 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3315 cvCalcHist(im, hist, 0, 0);
3319 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3320 CvMat row_header, *row;
3321 row = cvReshape( mat, &row_header, 0, 1 );
3322 printf("%d,%d\n", row_header.rows, row_header.cols);
3323 printf("ge %08x\n", cvGetElemType(mat));
3327 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3328 printf("CvMat stride ===> %d\n", m->step);
3332 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3333 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3335 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3336 cvGetAffineTransform(src, dst, mapping);
3337 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3341 CvArr *im = cvLoadImage("checker77.png");
3342 CvPoint2D32f corners[49];
3344 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3345 printf("count=%d\n", count);
3348 return PyFloat_FromDouble(0.0);
3351 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3354 PyObject *pyobj_image = NULL;
3355 CvSize pattern_size;
3356 PyObject *pyobj_pattern_size = NULL;
3357 cvpoint2d32f_count corners;
3358 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3360 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3361 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3363 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3364 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3366 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3367 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3368 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3371 // For functions GetSubRect, GetRow, GetCol.
3372 // recipient has a view into donor's data, and needs to share it.
3373 // make recipient use the donor's data, compute the offset,
3374 // and manage reference counts.
3376 static void preShareData(CvArr *donor, CvMat **recipient)
3378 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3381 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3383 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3384 ((cvmat_t*)recipient)->a = precipient;
3385 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3388 if (is_cvmat(donor)) {
3389 arr_data = ((cvmat_t*)donor)->data;
3390 } else if (is_iplimage(donor)) {
3391 arr_data = ((iplimage_t*)donor)->data;
3393 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3395 ((cvmat_t*)recipient)->data = arr_data;
3396 Py_INCREF(arr_data);
3400 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args, PyObject *kw)
3403 PyObject *pyobj_moments = NULL;
3405 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3407 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3409 ERRWRAP(cvGetHuMoments(moments, &r));
3410 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3413 static PyObject *pycvFitLine(PyObject *self, PyObject *args, PyObject *kw)
3416 PyObject *pyobj_points = NULL;
3423 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3425 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3426 ERRWRAP(cvFitLine(points.v, dist_type, param, reps, aeps, r));
3428 if (strcmp("opencv-matrix", cvTypeOf(points.v)->type_name) == 0)
3429 dimension = CV_MAT_CN(cvGetElemType(points.v));
3431 // sequence case... don't think there is a sequence of 3d points,
3436 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3438 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3441 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args, PyObject *kw)
3444 PyObject *pyobj_hist = NULL;
3447 int min_loc[CV_MAX_DIM];
3448 int max_loc[CV_MAX_DIM];
3450 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3452 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3453 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3454 int d = cvGetDims(hist->bins);
3455 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3456 for (int i = 0; i < d; i++) {
3457 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3458 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3460 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3463 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3464 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3465 double hit_threshold=0, double scale=1.05,
3466 int group_threshold=2, CvSize padding=cvSize(0,0),
3467 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3468 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3469 int nbins=9, int gammaCorrection=1 )
3471 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3472 if(win_stride.width == 0 && win_stride.height == 0)
3473 win_stride = block_stride;
3474 cv::Mat img = cv::cvarrToMat(image);
3475 std::vector<cv::Rect> found;
3478 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3479 int sz = m->cols*m->rows;
3480 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3481 std::vector<float> w(sz);
3482 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3483 hog.setSVMDetector(w);
3486 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3487 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3488 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3490 cvSeqPushMulti(seq, &found[0], (int)found.size());
3494 static int zero = 0;
3496 /************************************************************************/
3497 /* Custom Validators */
3499 #define CVPY_VALIDATE_DrawChessboardCorners() do { \
3500 if ((pattern_size.width * pattern_size.height) != corners.count) \
3501 return (PyObject*)failmsg("Size is %dx%d, but corner list is length %d", pattern_size.width, pattern_size.height, corners.count); \
3504 /************************************************************************/
3505 /* Generated functions */
3507 #include "generated0.i"
3509 static PyMethodDef methods[] = {
3511 {"CreateHist", pycvCreateHist, METH_VARARGS, "CreateHist(dims, type, ranges, uniform = 1) -> hist"},
3512 {"CreateImage", pycvCreateImage, METH_VARARGS, "CreateImage(size, depth, channels) -> image"},
3513 {"CreateImageHeader", pycvCreateImageHeader, METH_VARARGS, "CreateImageHeader(size, depth, channels) -> image"},
3514 {"CreateMat", pycvCreateMat, METH_VARARGS, "CreateMat(row, cols, type) -> mat"},
3515 {"CreateMatHeader", pycvCreateMatHeader, METH_VARARGS, "CreateMatHeader(rows, cols, type) -> mat"},
3516 {"CreateMatND", pycvCreateMatND, METH_VARARGS, "CreateMatND(dims, type) -> matnd"},
3517 {"CreateMatNDHeader", pycvCreateMatNDHeader, METH_VARARGS, "CreateMatNDHeader(dims, type) -> matnd"},
3518 {"CreateMemStorage", pycvCreateMemStorage, METH_VARARGS, "CreateMemStorage(block_size) -> memstorage"},
3519 {"FindContours", (PyCFunction)pycvFindContours, METH_KEYWORDS, "FindContours(image, storage, mode=CV_RETR_LIST, method=CV_CHAIN_APPROX_SIMPLE, offset=(0, 0)) -> cvseq"},
3520 {"ApproxPoly", (PyCFunction)pycvApproxPoly, METH_KEYWORDS, "ApproxPoly(src_seq, storage, method, parameter=0, parameter2=0) -> None"},
3521 {"CreateData", pycvCreateData, METH_VARARGS, "CreateData(arr) -> None"},
3522 {"GetDims", pycvGetDims, METH_VARARGS, "GetDims(arr) -> dims"},
3523 {"GetImage", pycvGetImage, METH_VARARGS, "GetImage(cvmat) -> image"},
3524 {"GetMat", pycvGetMat, METH_VARARGS, "GetMat(image) -> cvmat"},
3525 {"Reshape", pycvReshape, METH_VARARGS, "Reshape(arr, new_cn, new_rows=0) -> cvmat"},
3526 {"InitLineIterator", pycvInitLineIterator, METH_VARARGS, "InitLineIterator(image, pt1, pt2, connectivity=8, left_to_right=0) -> None"},
3527 {"LoadImage", (PyCFunction)pycvLoadImage, METH_KEYWORDS, "LoadImage(filename, iscolor=CV_LOAD_IMAGE_COLOR)"},
3528 {"SetData", pycvSetData, METH_VARARGS, "SetData(arr, data, step)"},
3529 {"SetMouseCallback", (PyCFunction)pycvSetMouseCallback, METH_KEYWORDS, "SetMouseCallback(window_name, on_mouse, param) -> None"},
3530 {"CreateTrackbar", (PyCFunction)pycvCreateTrackbar, METH_KEYWORDS, "CreateTrackbar(trackbar_name, window_name, value, count, on_change) -> None"},
3531 {"CalcEMD2", (PyCFunction)pycvCalcEMD2, METH_KEYWORDS, "CalcEMD2(signature1, signature2, distance_type, distance_func = None, cost_matrix=None, flow=None, lower_bound=None, userdata = None) -> float"},
3532 {"FindChessboardCorners", (PyCFunction)pycvFindChessboardCorners, METH_KEYWORDS, "FindChessboardCorners(image, pattern_size, flags=CV_CALIB_CB_ADAPTIVE_THRESH) -> success,corners"},
3533 {"FitLine", (PyCFunction)pycvFitLine, METH_KEYWORDS, "FitLine(points, dist_type, param, reps, aeps) -> line"},
3534 {"Subdiv2DLocate", pycvSubdiv2DLocate, METH_VARARGS, "Subdiv2DLocate(subdiv, pt) -> (loc, where)"},
3535 {"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)"},
3536 {"ClipLine", (PyCFunction)pycvClipLine, METH_KEYWORDS, "ClipLine(img, pt1, pt2) -> (clipped_pt1, clipped_pt2)"},
3537 {"GetHuMoments", (PyCFunction)pycvGetHuMoments, METH_KEYWORDS, "GetHuMoments(cvmoments) -> (h1, h2, h3, h4, h5, h5, h7)"},
3538 {"GetMinMaxHistValue", (PyCFunction)pycvGetMinMaxHistValue, METH_KEYWORDS, "GetMinMaxHistValue(hist) -> min_val,max_val,min_loc,max_loc"},
3539 {"WaitKey", (PyCFunction)pycvWaitKey, METH_KEYWORDS, "WaitKey(delay=0) -> int"},
3540 //{"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"},
3541 //{"_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"},
3542 //{"_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"},
3543 //{"_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"},
3545 {"temp_test", temp_test, METH_VARARGS},
3547 #include "generated1.i"
3552 /************************************************************************/
3555 static int to_ok(PyTypeObject *to)
3557 to->tp_alloc = PyType_GenericAlloc;
3558 to->tp_new = PyType_GenericNew;
3559 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3560 return (PyType_Ready(to) == 0);
3563 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3566 #if defined WIN32 || defined _WIN32
3567 __declspec(dllexport)
3573 cvSetErrMode(CV_ErrModeParent);
3576 MKTYPE(cvcontourtree);
3578 MKTYPE(cvhaarclassifiercascade);
3579 MKTYPE(cvhistogram);
3580 MKTYPE(cvlineiterator);
3583 MKTYPE(cvmemstorage);
3585 MKTYPE(cvpositobject);
3586 MKTYPE(cvsubdiv2dedge);
3591 MKTYPE(cvsubdiv2dpoint);
3592 MKTYPE(cvvideowriter);
3593 MKTYPE(iplconvkernel);
3597 m = Py_InitModule(MODULESTR"", methods);
3598 d = PyModule_GetDict(m);
3600 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3601 PyDict_SetItemString(d, "error", opencv_error);
3603 PyDict_SetItemString(d, "iplimage", (PyObject*)&iplimage_Type);
3604 PyDict_SetItemString(d, "cvmat", (PyObject*)&cvmat_Type);
3606 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3607 #define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
3609 PUBLISHU(IPL_DEPTH_8U);
3610 PUBLISHU(IPL_DEPTH_8S);
3611 PUBLISHU(IPL_DEPTH_16U);
3612 PUBLISHU(IPL_DEPTH_16S);
3613 PUBLISHU(IPL_DEPTH_32S);
3614 PUBLISHU(IPL_DEPTH_32F);
3615 PUBLISHU(IPL_DEPTH_64F);
3617 PUBLISH(CV_LOAD_IMAGE_COLOR);
3618 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3619 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3620 PUBLISH(CV_HIST_ARRAY);
3621 PUBLISH(CV_HIST_SPARSE);
3650 PUBLISH(CV_NEXT_AROUND_ORG);
3651 PUBLISH(CV_NEXT_AROUND_DST);
3652 PUBLISH(CV_PREV_AROUND_ORG);
3653 PUBLISH(CV_PREV_AROUND_DST);
3654 PUBLISH(CV_NEXT_AROUND_LEFT);
3655 PUBLISH(CV_NEXT_AROUND_RIGHT);
3656 PUBLISH(CV_PREV_AROUND_LEFT);
3657 PUBLISH(CV_PREV_AROUND_RIGHT);
3659 PUBLISH(CV_WINDOW_AUTOSIZE);
3661 PUBLISH(CV_PTLOC_INSIDE);
3662 PUBLISH(CV_PTLOC_ON_EDGE);
3663 PUBLISH(CV_PTLOC_VERTEX);
3664 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3666 #include "generated2.i"
3670 int sizes[] = { 10 } ;
3671 float ranges[] = { 0.0, 1.0 };
3672 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3675 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3676 printf("h->type = %08x\n", h->type);
3677 printf("h->bins = %p\n", h->bins);
3678 printf("h->mat = %p\n", &(h->mat));