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 typedef IplImage ROIplImage;
92 typedef const CvMat ROCvMat;
93 typedef PyObject PyCallableObject;
105 struct cvcontourtree_t {
115 static int is_iplimage(PyObject *o);
116 static int is_cvmat(PyObject *o);
117 static int is_cvmatnd(PyObject *o);
118 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name = "no_name");
119 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name = "no_name");
120 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name = "no_name");
121 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name = "no_name");
122 static PyObject *what_data(PyObject *o);
123 static PyObject *FROM_CvMat(CvMat *r);
124 static PyObject *FROM_ROCvMatPTR(ROCvMat *r);
125 static PyObject *shareDataND(PyObject *donor, CvMatND *pdonor, CvMatND *precipient);
127 #define FROM_double(r) PyFloat_FromDouble(r)
128 #define FROM_float(r) PyFloat_FromDouble(r)
129 #define FROM_int(r) PyInt_FromLong(r)
130 #define FROM_int64(r) PyLong_FromLongLong(r)
131 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
132 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
133 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
134 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
135 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
136 #define FROM_CvPoint3D64f(r) Py_BuildValue("(fff)", r.x, r.y, r.z)
137 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
138 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
139 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
140 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
141 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
142 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", (r).area, FROM_CvScalar((r).value), FROM_CvRect((r).rect))
145 static PyObject *fromarray(PyObject *o, int allowND);
148 static void translate_error_to_exception(void)
150 PyErr_SetString(opencv_error, cvErrorStr(cvGetErrStatus()));
154 #define ERRCHK do { if (cvGetErrStatus() != 0) { translate_error_to_exception(); return NULL; } } while (0)
161 catch (const cv::Exception &e) \
163 PyErr_SetString(opencv_error, e.err.c_str()); \
169 /************************************************************************/
171 static int failmsg(const char *fmt, ...)
177 vsnprintf(str, sizeof(str), fmt, ap);
180 PyErr_SetString(PyExc_TypeError, str);
184 /************************************************************************/
186 /* These get/setters are polymorphic, used in both iplimage and cvmat */
188 static PyObject *PyObject_FromCvScalar(CvScalar s, int type)
190 int i, spe = CV_MAT_CN(type);
193 r = PyTuple_New(spe);
194 for (i = 0; i < spe; i++)
195 PyTuple_SET_ITEM(r, i, PyFloat_FromDouble(s.val[i]));
197 r = PyFloat_FromDouble(s.val[0]);
202 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key);
203 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v);
205 // o is a Python string or buffer object. Return its size.
207 static Py_ssize_t what_size(PyObject *o)
210 Py_ssize_t buffer_len;
212 if (PyString_Check(o)) {
213 return PyString_Size(o);
214 } else if (PyObject_AsWriteBuffer(o, &buffer, &buffer_len) == 0) {
217 assert(0); // argument must be string or buffer.
223 /************************************************************************/
225 CvMat *PyCvMat_AsCvMat(PyObject *o)
227 assert(0); // not yet implemented: reference counting for CvMat in Kalman is unclear...
231 #define cvReleaseIplConvKernel(x) cvReleaseStructuringElement(x)
232 #include "generated3.i"
236 static void iplimage_dealloc(PyObject *self)
238 iplimage_t *pc = (iplimage_t*)self;
239 cvReleaseImageHeader((IplImage**)&pc->a);
244 static PyObject *iplimage_repr(PyObject *self)
246 iplimage_t *cva = (iplimage_t*)self;
247 IplImage* ipl = (IplImage*)(cva->a);
249 sprintf(str, "<iplimage(");
250 char *d = str + strlen(str);
251 sprintf(d, "nChannels=%d ", ipl->nChannels);
253 sprintf(d, "width=%d ", ipl->width);
255 sprintf(d, "height=%d ", ipl->height);
257 sprintf(d, "widthStep=%d ", ipl->widthStep);
260 return PyString_FromString(str);
263 static PyObject *iplimage_tostring(PyObject *self, PyObject *args)
265 iplimage_t *pc = (iplimage_t*)self;
267 if (!convert_to_IplImage(self, &i, "self"))
289 return (PyObject*)failmsg("Unrecognised depth %d", i->depth);
291 int bpl = i->width * i->nChannels * bps;
292 if (PyString_Check(pc->data) && bpl == i->widthStep && pc->offset == 0 && ((bpl * i->height) == what_size(pc->data))) {
296 int l = bpl * i->height;
297 char *s = new char[l];
299 for (y = 0; y < i->height; y++) {
300 memcpy(s + y * bpl, i->imageData + y * i->widthStep, bpl);
302 PyObject *r = PyString_FromStringAndSize(s, l);
308 static struct PyMethodDef iplimage_methods[] =
310 {"tostring", iplimage_tostring, METH_VARARGS},
314 static PyObject *iplimage_getnChannels(iplimage_t *cva)
316 return PyInt_FromLong(((IplImage*)(cva->a))->nChannels);
318 static PyObject *iplimage_getwidth(iplimage_t *cva)
320 return PyInt_FromLong(((IplImage*)(cva->a))->width);
322 static PyObject *iplimage_getheight(iplimage_t *cva)
324 return PyInt_FromLong(((IplImage*)(cva->a))->height);
326 static PyObject *iplimage_getdepth(iplimage_t *cva)
328 return PyLong_FromUnsignedLong((unsigned)((IplImage*)(cva->a))->depth);
330 static PyObject *iplimage_getorigin(iplimage_t *cva)
332 return PyInt_FromLong(((IplImage*)(cva->a))->origin);
334 static void iplimage_setorigin(iplimage_t *cva, PyObject *v)
336 ((IplImage*)(cva->a))->origin = PyInt_AsLong(v);
339 static PyGetSetDef iplimage_getseters[] = {
340 {(char*)"nChannels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
341 {(char*)"channels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
342 {(char*)"width", (getter)iplimage_getwidth, (setter)NULL, (char*)"width", NULL},
343 {(char*)"height", (getter)iplimage_getheight, (setter)NULL, (char*)"height", NULL},
344 {(char*)"depth", (getter)iplimage_getdepth, (setter)NULL, (char*)"depth", NULL},
345 {(char*)"origin", (getter)iplimage_getorigin, (setter)iplimage_setorigin, (char*)"origin", NULL},
346 {NULL} /* Sentinel */
349 static PyMappingMethods iplimage_as_map = {
355 static PyTypeObject iplimage_Type = {
356 PyObject_HEAD_INIT(&PyType_Type)
358 MODULESTR".iplimage", /*name*/
359 sizeof(iplimage_t), /*basicsize*/
362 static void iplimage_specials(void)
364 iplimage_Type.tp_dealloc = iplimage_dealloc;
365 iplimage_Type.tp_as_mapping = &iplimage_as_map;
366 iplimage_Type.tp_repr = iplimage_repr;
367 iplimage_Type.tp_methods = iplimage_methods;
368 iplimage_Type.tp_getset = iplimage_getseters;
371 static int is_iplimage(PyObject *o)
373 return PyType_IsSubtype(o->ob_type, &iplimage_Type);
376 /************************************************************************/
380 static void cvmat_dealloc(PyObject *self)
382 cvmat_t *pc = (cvmat_t*)self;
388 static PyObject *cvmat_repr(PyObject *self)
390 CvMat *m = ((cvmat_t*)self)->a;
392 sprintf(str, "<cvmat(");
393 char *d = str + strlen(str);
394 sprintf(d, "type=%08x ", m->type);
396 sprintf(d, "rows=%d ", m->rows);
398 sprintf(d, "cols=%d ", m->cols);
400 sprintf(d, "step=%d ", m->step);
403 return PyString_FromString(str);
406 static PyObject *cvmat_tostring(PyObject *self, PyObject *args)
409 if (!convert_to_CvMat(self, &m, "self"))
412 int bps; // bytes per sample
414 switch (CV_MAT_DEPTH(m->type)) {
417 bps = CV_MAT_CN(m->type) * 1;
421 bps = CV_MAT_CN(m->type) * 2;
425 bps = CV_MAT_CN(m->type) * 4;
428 bps = CV_MAT_CN(m->type) * 8;
431 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
434 int bpl = m->cols * bps; // bytes per line
435 cvmat_t *pc = (cvmat_t*)self;
436 if (PyString_Check(pc->data) && bpl == m->step && pc->offset == 0 && ((bpl * m->rows) == what_size(pc->data))) {
440 int l = bpl * m->rows;
441 char *s = new char[l];
443 for (y = 0; y < m->rows; y++) {
444 memcpy(s + y * bpl, m->data.ptr + y * m->step, bpl);
446 PyObject *r = PyString_FromStringAndSize(s, l);
452 static struct PyMethodDef cvmat_methods[] =
454 {"tostring", cvmat_tostring, METH_VARARGS},
458 static PyObject *cvmat_gettype(cvmat_t *cva)
460 return PyInt_FromLong(cvGetElemType(cva->a));
463 static PyObject *cvmat_getstep(cvmat_t *cva)
465 return PyInt_FromLong(cva->a->step);
468 static PyObject *cvmat_getrows(cvmat_t *cva)
470 return PyInt_FromLong(cva->a->rows);
473 static PyObject *cvmat_getcols(cvmat_t *cva)
475 return PyInt_FromLong(cva->a->cols);
478 static PyObject *cvmat_getchannels(cvmat_t *cva)
480 return PyInt_FromLong(CV_MAT_CN(cva->a->type));
484 #include "numpy/ndarrayobject.h"
486 // A PyArrayInterface, with an associated python object that should be DECREF'ed on release
492 static void arrayTrackDtor(void *p)
494 struct arrayTrack *at = (struct arrayTrack *)p;
496 delete at->s.strides;
498 Py_DECREF(at->s.descr);
502 // Fill in fields of PyArrayInterface s using mtype. This code is common
503 // to cvmat and cvmatnd
505 static void arrayinterface_common(PyArrayInterface *s, int mtype)
509 switch (CV_MAT_DEPTH(mtype)) {
542 s->flags = NPY_WRITEABLE | NPY_NOTSWAPPED;
545 static PyObject *cvmat_array_struct(cvmat_t *cva)
548 convert_to_CvMat((PyObject *)cva, &m, "");
550 arrayTrack *at = new arrayTrack;
551 PyArrayInterface *s = &at->s;
556 arrayinterface_common(s, m->type);
558 if (CV_MAT_CN(m->type) == 1) {
560 s->shape = new npy_intp[2];
561 s->shape[0] = m->rows;
562 s->shape[1] = m->cols;
563 s->strides = new npy_intp[2];
564 s->strides[0] = m->step;
565 s->strides[1] = s->itemsize;
568 s->shape = new npy_intp[3];
569 s->shape[0] = m->rows;
570 s->shape[1] = m->cols;
571 s->shape[2] = CV_MAT_CN(m->type);
572 s->strides = new npy_intp[3];
573 s->strides[0] = m->step;
574 s->strides[1] = s->itemsize * CV_MAT_CN(m->type);
575 s->strides[2] = s->itemsize;
577 s->data = (void*)(m->data.ptr);
578 s->descr = PyList_New(1);
580 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
581 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
583 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
586 static PyObject *cvmatnd_array_struct(cvmatnd_t *cva)
589 convert_to_CvMatND((PyObject *)cva, &m, "");
591 arrayTrack *at = new arrayTrack;
592 PyArrayInterface *s = &at->s;
597 arrayinterface_common(s, m->type);
600 if (CV_MAT_CN(m->type) == 1) {
602 s->shape = new npy_intp[s->nd];
603 for (i = 0; i < s->nd; i++)
604 s->shape[i] = m->dim[i].size;
605 s->strides = new npy_intp[s->nd];
606 for (i = 0; i < (s->nd - 1); i++)
607 s->strides[i] = m->dim[i].step;
608 s->strides[s->nd - 1] = s->itemsize;
611 s->shape = new npy_intp[s->nd];
612 for (i = 0; i < (s->nd - 1); i++)
613 s->shape[i] = m->dim[i].size;
614 s->shape[s->nd - 1] = CV_MAT_CN(m->type);
616 s->strides = new npy_intp[s->nd];
617 for (i = 0; i < (s->nd - 2); i++)
618 s->strides[i] = m->dim[i].step;
619 s->strides[s->nd - 2] = s->itemsize * CV_MAT_CN(m->type);
620 s->strides[s->nd - 1] = s->itemsize;
622 s->data = (void*)(m->data.ptr);
623 s->descr = PyList_New(1);
625 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
626 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
628 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
632 static PyGetSetDef cvmat_getseters[] = {
633 {(char*)"type", (getter)cvmat_gettype, (setter)NULL, (char*)"type", NULL},
634 {(char*)"step", (getter)cvmat_getstep, (setter)NULL, (char*)"step", NULL},
635 {(char*)"rows", (getter)cvmat_getrows, (setter)NULL, (char*)"rows", NULL},
636 {(char*)"cols", (getter)cvmat_getcols, (setter)NULL, (char*)"cols", NULL},
637 {(char*)"channels",(getter)cvmat_getchannels, (setter)NULL, (char*)"channels", NULL},
638 {(char*)"width", (getter)cvmat_getcols, (setter)NULL, (char*)"width", NULL},
639 {(char*)"height", (getter)cvmat_getrows, (setter)NULL, (char*)"height", NULL},
641 {(char*)"__array_struct__", (getter)cvmat_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
643 {NULL} /* Sentinel */
646 static PyMappingMethods cvmat_as_map = {
652 static PyTypeObject cvmat_Type = {
653 PyObject_HEAD_INIT(&PyType_Type)
655 MODULESTR".cvmat", /*name*/
656 sizeof(cvmat_t), /*basicsize*/
659 static void cvmat_specials(void)
661 cvmat_Type.tp_dealloc = cvmat_dealloc;
662 cvmat_Type.tp_as_mapping = &cvmat_as_map;
663 cvmat_Type.tp_repr = cvmat_repr;
664 cvmat_Type.tp_methods = cvmat_methods;
665 cvmat_Type.tp_getset = cvmat_getseters;
668 static int is_cvmat(PyObject *o)
670 return PyType_IsSubtype(o->ob_type, &cvmat_Type);
673 /************************************************************************/
677 static void cvmatnd_dealloc(PyObject *self)
679 cvmatnd_t *pc = (cvmatnd_t*)self;
684 static PyObject *cvmatnd_repr(PyObject *self)
686 CvMatND *m = ((cvmatnd_t*)self)->a;
688 sprintf(str, "<cvmatnd(");
689 char *d = str + strlen(str);
690 sprintf(d, "type=%08x ", m->type);
693 return PyString_FromString(str);
696 static size_t cvmatnd_size(CvMatND *m)
699 switch (CV_MAT_DEPTH(m->type)) {
702 bps = CV_MAT_CN(m->type) * 1;
706 bps = CV_MAT_CN(m->type) * 2;
710 bps = CV_MAT_CN(m->type) * 4;
713 bps = CV_MAT_CN(m->type) * 8;
719 for (int d = 0; d < m->dims; d++) {
725 static PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
728 if (!convert_to_CvMatND(self, &m, "self"))
732 switch (CV_MAT_DEPTH(m->type)) {
735 bps = CV_MAT_CN(m->type) * 1;
739 bps = CV_MAT_CN(m->type) * 2;
743 bps = CV_MAT_CN(m->type) * 4;
746 bps = CV_MAT_CN(m->type) * 8;
749 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
753 for (int d = 0; d < m->dims; d++) {
758 for (d = 0; d < m->dims; d++) {
761 int rowsize = m->dim[m->dims-1].size * bps;
762 char *s = new char[l];
767 memcpy(ps, cvPtrND(m, i), rowsize);
769 for (d = m->dims - 2; 0 <= d; d--) {
770 if (++i[d] < cvGetDimSize(m, d)) {
780 return PyString_FromStringAndSize(s, ps - s);
783 static struct PyMethodDef cvmatnd_methods[] =
785 {"tostring", cvmatnd_tostring, METH_VARARGS},
789 static PyObject *cvmatnd_getchannels(cvmatnd_t *cva)
791 return PyInt_FromLong(CV_MAT_CN(cva->a->type));
794 static PyGetSetDef cvmatnd_getseters[] = {
796 {(char*)"__array_struct__", (getter)cvmatnd_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
798 {(char*)"channels",(getter)cvmatnd_getchannels, (setter)NULL, (char*)"channels", NULL},
799 {NULL} /* Sentinel */
802 static PyMappingMethods cvmatnd_as_map = {
808 static PyTypeObject cvmatnd_Type = {
809 PyObject_HEAD_INIT(&PyType_Type)
811 MODULESTR".cvmatnd", /*name*/
812 sizeof(cvmatnd_t), /*basicsize*/
815 static void cvmatnd_specials(void)
817 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
818 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
819 cvmatnd_Type.tp_repr = cvmatnd_repr;
820 cvmatnd_Type.tp_methods = cvmatnd_methods;
821 cvmatnd_Type.tp_getset = cvmatnd_getseters;
824 static int is_cvmatnd(PyObject *o)
826 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
829 /************************************************************************/
833 static void cvhistogram_dealloc(PyObject *self)
835 cvhistogram_t *cvh = (cvhistogram_t*)self;
836 Py_DECREF(cvh->bins);
840 static PyTypeObject cvhistogram_Type = {
841 PyObject_HEAD_INIT(&PyType_Type)
843 MODULESTR".cvhistogram", /*name*/
844 sizeof(cvhistogram_t), /*basicsize*/
847 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
849 Py_INCREF(cvh->bins);
853 static PyGetSetDef cvhistogram_getseters[] = {
854 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
855 {NULL} /* Sentinel */
858 static void cvhistogram_specials(void)
860 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
861 cvhistogram_Type.tp_getset = cvhistogram_getseters;
864 /************************************************************************/
868 static PyObject *cvlineiterator_iter(PyObject *o)
874 static PyObject *cvlineiterator_next(PyObject *o)
876 cvlineiterator_t *pi = (cvlineiterator_t*)o;
882 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
883 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
885 CV_NEXT_LINE_POINT(pi->iter);
893 static PyTypeObject cvlineiterator_Type = {
894 PyObject_HEAD_INIT(&PyType_Type)
896 MODULESTR".cvlineiterator", /*name*/
897 sizeof(cvlineiterator_t), /*basicsize*/
900 static void cvlineiterator_specials(void)
902 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
903 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
906 /************************************************************************/
910 static void memtrack_dealloc(PyObject *self)
912 memtrack_t *pi = (memtrack_t*)self;
913 // printf("===> memtrack_dealloc %p!\n", pi->ptr);
918 static PyTypeObject memtrack_Type = {
919 PyObject_HEAD_INIT(&PyType_Type)
921 MODULESTR".memtrack", /*name*/
922 sizeof(memtrack_t), /*basicsize*/
925 Py_ssize_t memtrack_getreadbuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
927 *ptrptr = &((memtrack_t*)self)->ptr;
928 return ((memtrack_t*)self)->size;
931 Py_ssize_t memtrack_getwritebuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
933 *ptrptr = ((memtrack_t*)self)->ptr;
934 return ((memtrack_t*)self)->size;
937 Py_ssize_t memtrack_getsegcount(PyObject *self, Py_ssize_t *lenp)
939 return (Py_ssize_t)1;
942 PyBufferProcs memtrack_as_buffer = {
943 memtrack_getreadbuffer,
944 memtrack_getwritebuffer,
948 static void memtrack_specials(void)
950 memtrack_Type.tp_dealloc = memtrack_dealloc;
951 memtrack_Type.tp_as_buffer = &memtrack_as_buffer;
954 /************************************************************************/
958 static PyTypeObject cvmoments_Type = {
959 PyObject_HEAD_INIT(&PyType_Type)
961 MODULESTR".cvmoments", /*name*/
962 sizeof(cvmoments_t), /*basicsize*/
965 static void cvmoments_specials(void)
969 /************************************************************************/
973 static void cvmemstorage_dealloc(PyObject *self)
975 cvmemstorage_t *ps = (cvmemstorage_t*)self;
976 cvReleaseMemStorage(&(ps->a));
980 static PyTypeObject cvmemstorage_Type = {
981 PyObject_HEAD_INIT(&PyType_Type)
983 MODULESTR".cvmemstorage", /*name*/
984 sizeof(cvmemstorage_t), /*basicsize*/
987 static void cvmemstorage_specials(void)
989 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
992 /************************************************************************/
996 static PyTypeObject cvfont_Type = {
997 PyObject_HEAD_INIT(&PyType_Type)
999 MODULESTR".cvfont", /*name*/
1000 sizeof(cvfont_t), /*basicsize*/
1003 static void cvfont_specials(void) { }
1005 /************************************************************************/
1009 static PyTypeObject cvrng_Type = {
1010 PyObject_HEAD_INIT(&PyType_Type)
1012 MODULESTR".cvrng", /*name*/
1013 sizeof(cvrng_t), /*basicsize*/
1016 static void cvrng_specials(void)
1020 /************************************************************************/
1024 static PyTypeObject cvcontourtree_Type = {
1025 PyObject_HEAD_INIT(&PyType_Type)
1027 MODULESTR".cvcontourtree", /*name*/
1028 sizeof(cvcontourtree_t), /*basicsize*/
1031 static void cvcontourtree_specials(void) { }
1034 /************************************************************************/
1036 /* cvsubdiv2dedge */
1038 static PyTypeObject cvsubdiv2dedge_Type = {
1039 PyObject_HEAD_INIT(&PyType_Type)
1041 MODULESTR".cvsubdiv2dedge", /*name*/
1042 sizeof(cvsubdiv2dedge_t), /*basicsize*/
1045 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
1047 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
1048 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
1051 else if (e1->a > e2->a)
1057 static PyObject *cvquadedge_repr(PyObject *self)
1059 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
1061 sprintf(str, "<cvsubdiv2dedge(");
1062 char *d = str + strlen(str);
1063 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
1066 return PyString_FromString(str);
1069 static void cvsubdiv2dedge_specials(void) {
1070 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
1071 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
1074 /************************************************************************/
1078 static void cvseq_dealloc(PyObject *self)
1080 cvseq_t *ps = (cvseq_t*)self;
1081 Py_DECREF(ps->container);
1085 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
1086 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
1087 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
1088 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
1090 static struct PyMethodDef cvseq_methods[] =
1092 {"h_next", cvseq_h_next, METH_VARARGS},
1093 {"h_prev", cvseq_h_prev, METH_VARARGS},
1094 {"v_next", cvseq_v_next, METH_VARARGS},
1095 {"v_prev", cvseq_v_prev, METH_VARARGS},
1099 static Py_ssize_t cvseq_seq_length(PyObject *o)
1101 cvseq_t *ps = (cvseq_t*)o;
1103 return (Py_ssize_t)0;
1105 return (Py_ssize_t)(ps->a->total);
1108 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
1110 cvseq_t *ps = (cvseq_t*)o;
1118 if (i < cvseq_seq_length(o)) {
1119 switch (CV_SEQ_ELTYPE(ps->a)) {
1121 case CV_SEQ_ELTYPE_POINT:
1122 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
1123 return Py_BuildValue("ii", pt->x, pt->y);
1125 case CV_SEQ_ELTYPE_GENERIC:
1126 switch (ps->a->elem_size) {
1127 case sizeof(CvQuadEdge2D):
1129 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1130 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
1131 r->container = ps->container;
1132 Py_INCREF(r->container);
1133 return (PyObject*)r;
1135 case sizeof(CvConnectedComp):
1137 CvConnectedComp *cc = CV_GET_SEQ_ELEM(CvConnectedComp, ps->a, i);
1138 return FROM_CvConnectedComp(*cc);
1141 printf("seq elem size is %d\n", ps->a->elem_size);
1142 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
1145 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
1147 case CV_SEQ_ELTYPE_PTR:
1148 case CV_SEQ_ELTYPE_INDEX:
1149 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
1152 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
1153 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
1156 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
1157 return Py_BuildValue("ff", pt2->x, pt2->y);
1159 case CV_SEQ_ELTYPE_POINT3D:
1160 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
1161 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
1164 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1172 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1174 if (PyInt_Check(item)) {
1175 long i = PyInt_AS_LONG(item);
1177 i += cvseq_seq_length(o);
1178 return cvseq_seq_getitem(o, i);
1179 } else if (PySlice_Check(item)) {
1180 Py_ssize_t start, stop, step, slicelength, cur, i;
1183 if (PySlice_GetIndicesEx((PySliceObject*)item, cvseq_seq_length(o),
1184 &start, &stop, &step, &slicelength) < 0) {
1188 if (slicelength <= 0) {
1189 return PyList_New(0);
1191 result = PyList_New(slicelength);
1192 if (!result) return NULL;
1194 for (cur = start, i = 0; i < slicelength;
1196 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1202 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1208 PySequenceMethods cvseq_sequence = {
1215 static PyMappingMethods cvseq_mapping = {
1221 static PyTypeObject cvseq_Type = {
1222 PyObject_HEAD_INIT(&PyType_Type)
1224 MODULESTR".cvseq", /*name*/
1225 sizeof(cvseq_t), /*basicsize*/
1228 static void cvseq_specials(void)
1230 cvseq_Type.tp_dealloc = cvseq_dealloc;
1231 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1232 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1233 cvseq_Type.tp_methods = cvseq_methods;
1236 #define MK_ACCESSOR(FIELD) \
1237 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1239 cvseq_t *ps = (cvseq_t*)self; \
1241 if (s->FIELD == NULL) { \
1244 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1246 r->container = ps->container; \
1247 Py_INCREF(r->container); \
1248 return (PyObject*)r; \
1258 /************************************************************************/
1262 static void cvset_dealloc(PyObject *self)
1264 cvset_t *ps = (cvset_t*)self;
1265 Py_DECREF(ps->container);
1269 static PyTypeObject cvset_Type = {
1270 PyObject_HEAD_INIT(&PyType_Type)
1272 MODULESTR".cvset", /*name*/
1273 sizeof(cvset_t), /*basicsize*/
1276 static PyObject *cvset_iter(PyObject *o)
1279 cvset_t *ps = (cvset_t*)o;
1284 static PyObject *cvset_next(PyObject *o)
1286 cvset_t *ps = (cvset_t*)o;
1288 while (ps->i < ps->a->total) {
1289 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1290 int prev_i = ps->i++;
1292 return cvseq_seq_getitem(o, prev_i);
1298 static void cvset_specials(void)
1300 cvset_Type.tp_dealloc = cvset_dealloc;
1301 cvset_Type.tp_iter = cvset_iter;
1302 cvset_Type.tp_iternext = cvset_next;
1305 /************************************************************************/
1309 static PyTypeObject cvsubdiv2d_Type = {
1310 PyObject_HEAD_INIT(&PyType_Type)
1312 MODULESTR".cvsubdiv2d", /*name*/
1313 sizeof(cvsubdiv2d_t), /*basicsize*/
1316 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1318 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1319 if (strcmp(PyString_AsString(name), "edges") == 0) {
1320 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1322 r->container = p->container;
1323 Py_INCREF(r->container);
1324 return (PyObject*)r;
1326 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1331 static void cvsubdiv2d_specials(void)
1333 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1336 /************************************************************************/
1338 /* cvsubdiv2dpoint */
1340 static PyTypeObject cvsubdiv2dpoint_Type = {
1341 PyObject_HEAD_INIT(&PyType_Type)
1343 MODULESTR".cvsubdiv2dpoint", /*name*/
1344 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1347 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1349 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1350 if (strcmp(PyString_AsString(name), "first") == 0) {
1351 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1353 r->container = p->container;
1354 Py_INCREF(r->container);
1355 return (PyObject*)r;
1356 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1357 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1359 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1364 static void cvsubdiv2dpoint_specials(void)
1366 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1369 /************************************************************************/
1370 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1372 static int convert_to_PyObjectPTR(PyObject *o, PyObject **dst, const char *name = "no_name")
1378 static int convert_to_PyCallableObjectPTR(PyObject *o, PyObject **dst, const char *name = "no_name")
1384 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1386 if (PyString_Check(o) && PyString_Size(o) == 1) {
1387 *dst = PyString_AsString(o)[0];
1391 return failmsg("Expected single character string for argument '%s'", name);
1395 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1397 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1398 (*dst) = (((cvmemstorage_t*)o)->a);
1401 (*dst) = (CvMemStorage*)NULL;
1402 return failmsg("Expected CvMemStorage for argument '%s'", name);
1406 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1408 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1409 (*dst) = (((cvseq_t*)o)->a);
1412 (*dst) = (CvSeq*)NULL;
1413 return failmsg("Expected CvSeq for argument '%s'", name);
1417 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1419 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1420 return failmsg("CvSize argument '%s' expects two integers", name);
1425 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1427 if (PySequence_Check(o)) {
1428 PyObject *fi = PySequence_Fast(o, name);
1431 if (4 < PySequence_Fast_GET_SIZE(fi))
1432 return failmsg("CvScalar value for argument '%s' is longer than 4", name);
1433 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1434 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1435 if (PyFloat_Check(item) || PyInt_Check(item)) {
1436 s->val[i] = PyFloat_AsDouble(item);
1438 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1443 if (PyFloat_Check(o) || PyInt_Check(o)) {
1444 s->val[0] = PyFloat_AsDouble(o);
1446 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1452 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1454 if (!PySequence_Check(o))
1455 return failmsg("Expected sequence for point list argument '%s'", name);
1456 PyObject *fi = PySequence_Fast(o, name);
1459 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1460 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1461 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1462 if (!PyTuple_Check(item))
1463 return failmsg("Expected tuple for element in point list argument '%s'", name);
1464 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1472 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1474 PyObject *fi = PySequence_Fast(o, name);
1477 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1478 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1479 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1480 if (!PyTuple_Check(item))
1481 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1482 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1491 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1493 PyObject *fi = PySequence_Fast(o, name);
1496 *p = new CvPoint3D32f[PySequence_Fast_GET_SIZE(fi)];
1497 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1498 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1499 if (!PyTuple_Check(item))
1500 return failmsg("Expected tuple for CvPoint3D32f argument '%s'", name);
1501 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1510 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1512 if (!PyArg_ParseTuple(o,
1515 &dst->responseThreshold,
1516 &dst->lineThresholdProjected,
1517 &dst->lineThresholdBinarized,
1518 &dst->suppressNonmaxSize))
1519 return failmsg("CvRect argument '%s' expects four integers", name);
1524 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1526 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1527 return failmsg("CvRect argument '%s' expects four integers", name);
1532 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1535 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1536 return failmsg("CvRect argument '%s' expects four integers", name);
1541 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1543 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1544 return failmsg("CvSlice argument '%s' expects two integers", name);
1549 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1551 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1552 return failmsg("CvPoint argument '%s' expects two integers", name);
1557 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1559 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1560 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1565 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1567 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1568 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1573 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1575 iplimage_t *ipl = (iplimage_t*)o;
1577 Py_ssize_t buffer_len;
1579 if (!is_iplimage(o)) {
1580 return failmsg("Argument '%s' must be IplImage", name);
1581 } else if (PyString_Check(ipl->data)) {
1582 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1583 assert(cvGetErrStatus() == 0);
1586 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1587 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1588 assert(cvGetErrStatus() == 0);
1592 return failmsg("IplImage argument '%s' has no data", name);
1596 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1598 cvmat_t *m = (cvmat_t*)o;
1600 Py_ssize_t buffer_len;
1603 return failmsg("Argument '%s' must be CvMat", name);
1605 m->a->refcount = NULL;
1606 if (m->data && PyString_Check(m->data)) {
1607 assert(cvGetErrStatus() == 0);
1608 char *ptr = PyString_AsString(m->data) + m->offset;
1609 cvSetData(m->a, ptr, m->a->step);
1610 assert(cvGetErrStatus() == 0);
1613 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1614 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1615 assert(cvGetErrStatus() == 0);
1619 return failmsg("CvMat argument '%s' has no data", name);
1624 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1626 cvmatnd_t *m = (cvmatnd_t*)o;
1628 Py_ssize_t buffer_len;
1630 if (!is_cvmatnd(o)) {
1631 return failmsg("Argument '%s' must be CvMatND", name);
1632 } else if (m->data && PyString_Check(m->data)) {
1633 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1636 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1637 m->a->data.ptr = ((uchar*)buffer + m->offset);
1641 return failmsg("CvMatND argument '%s' has no data", name);
1645 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1650 } else if (is_iplimage(o)) {
1651 return convert_to_IplImage(o, (IplImage**)dst, name);
1652 } else if (is_cvmat(o)) {
1653 return convert_to_CvMat(o, (CvMat**)dst, name);
1654 } else if (is_cvmatnd(o)) {
1655 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1657 #if !PYTHON_USE_NUMPY
1658 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1660 PyObject *asmat = fromarray(o, 0);
1662 return failmsg("CvArr argument '%s' must be IplImage, CvMat, CvMatND, or support the array interface", name);
1663 // now have the array obect as a cvmat, can use regular conversion
1664 return convert_to_CvArr(asmat, dst, name);
1669 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1671 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1672 cvhistogram_t *ht = (cvhistogram_t*)o;
1674 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1676 *dst = (CvHistogram *)NULL;
1677 return failmsg("Expected CvHistogram for argument '%s'", name);
1681 // Used by FillPoly, FillConvexPoly, PolyLine
1682 struct pts_npts_contours {
1688 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1690 PyObject *fi = PySequence_Fast(o, name);
1693 dst->contours = PySequence_Fast_GET_SIZE(fi);
1694 dst->pts = new CvPoint*[dst->contours];
1695 dst->npts = new int[dst->contours];
1696 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1697 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1699 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1712 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1714 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1715 return convert_to_CvSeq(o, &(dst->seq), name);
1716 } else if (PySequence_Check(o)) {
1717 PyObject *fi = PySequence_Fast(o, name);
1720 Py_ssize_t size = -1;
1721 // Make a pass through the sequence, checking that each element is
1722 // a sequence and that they are all the same size
1723 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1724 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1726 if (!PySequence_Check(e))
1727 return failmsg("Sequence '%s' must contain sequences", name);
1729 size = (int)PySequence_Size(e);
1730 else if (size != PySequence_Size(e))
1731 return failmsg("All elements of sequence '%s' must be same size", name);
1734 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1735 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1736 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1737 PyObject *fe = PySequence_Fast(e, name);
1739 int *pdst = (int*)cvPtr2D(mt, i, 0);
1740 for (Py_ssize_t j = 0; j < size; j++) {
1741 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1749 return convert_to_CvArr(o, &(dst->mat), name);
1753 struct cvarr_count {
1758 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1760 PyObject *fi = PySequence_Fast(o, name);
1763 dst->count = PySequence_Fast_GET_SIZE(fi);
1764 dst->cvarr = new CvArr*[dst->count];
1765 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1766 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1779 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1781 PyObject *fi = PySequence_Fast(o, name);
1784 dst->count = PySequence_Fast_GET_SIZE(fi);
1785 dst->pairs = new int[2 * dst->count];
1786 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1787 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1788 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1796 struct cvpoint2d32f_count {
1797 CvPoint2D32f* points;
1801 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1803 if (PyInt_Check(o)) {
1804 dst->count = PyInt_AsLong(o);
1805 dst->points = new CvPoint2D32f[dst->count];
1808 return failmsg("Expected integer for CvPoint2D32f count");
1816 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1818 PyObject *fi = PySequence_Fast(o, name);
1821 dst->count = PySequence_Fast_GET_SIZE(fi);
1822 dst->f = new float[dst->count];
1823 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1824 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1825 dst->f[i] = (float)PyFloat_AsDouble(item);
1835 /// convert_to_chars not used
1841 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1843 PyObject *fi = PySequence_Fast(o, name);
1846 dst->count = PySequence_Fast_GET_SIZE(fi);
1847 dst->p = new CvPoint[dst->count];
1848 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1849 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1850 convert_to_CvPoint(item, &dst->p[i], name);
1856 struct CvPoint3D32fs {
1860 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1862 PyObject *fi = PySequence_Fast(o, name);
1865 dst->count = PySequence_Fast_GET_SIZE(fi);
1866 dst->p = new CvPoint3D32f[dst->count];
1867 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1868 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1869 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1875 struct CvPoint2D32fs {
1879 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1881 PyObject *fi = PySequence_Fast(o, name);
1884 dst->count = PySequence_Fast_GET_SIZE(fi);
1885 dst->p = new CvPoint2D32f[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 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1898 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1900 PyObject *fi = PySequence_Fast(o, name);
1903 dst->count = PySequence_Fast_GET_SIZE(fi);
1904 dst->i = new int[dst->count];
1905 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1906 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1907 dst->i[i] = PyInt_AsLong(item);
1917 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1919 PyObject *fi = PySequence_Fast(o, name);
1922 dst->count = PySequence_Fast_GET_SIZE(fi);
1923 dst->i = new int[dst->count + 1];
1924 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1925 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1926 dst->i[i] = PyInt_AsLong(item);
1928 dst->i[dst->count] = 0;
1937 int step[CV_MAX_DIM];
1938 int length[CV_MAX_DIM];
1941 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1943 if (PySlice_Check(item)) {
1944 Py_ssize_t start, stop, step, slicelength;
1945 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1947 dst->step[i] = step;
1948 dst->length[i] = slicelength;
1950 int index = PyInt_AsLong(item);
1954 dst->i[i] = cvGetDimSize(cva, i) + index;
1961 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1963 if (!PyTuple_Check(o)) {
1965 return convert_to_dim(o, 0, dst, cva, name);
1967 PyObject *fi = PySequence_Fast(o, name);
1969 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1972 dst->count = PySequence_Fast_GET_SIZE(fi);
1973 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1974 if (i >= cvGetDims(cva)) {
1975 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1977 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1978 if (!convert_to_dim(item, i, dst, cva, name))
1990 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1992 PyObject *fi = PySequence_Fast(o, name);
1995 dst->count = PySequence_Fast_GET_SIZE(fi);
1996 dst->ims = new IplImage*[dst->count];
1997 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1998 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1999 if (!convert_to_IplImage(item, &dst->ims[i]))
2010 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
2012 PyObject *fi = PySequence_Fast(o, name);
2015 dst->count = PySequence_Fast_GET_SIZE(fi);
2016 dst->ims = new CvArr*[dst->count];
2017 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
2018 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
2019 if (!convert_to_CvArr(item, &dst->ims[i]))
2026 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
2028 PyObject *fi = PySequence_Fast(o, name);
2031 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
2032 float **r = new float*[sz];
2033 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
2034 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
2036 if (!convert_to_floats(item, &ff))
2044 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
2046 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
2047 (*dst) = &(((cvmoments_t*)o)->a);
2050 (*dst) = (CvMoments*)NULL;
2051 return failmsg("Expected CvMoments for argument '%s'", name);
2055 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
2057 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
2058 (*dst) = &(((cvfont_t*)o)->a);
2061 (*dst) = (CvFont*)NULL;
2062 return failmsg("Expected CvFont for argument '%s'", name);
2066 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
2068 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
2069 (*dst) = ((cvcontourtree_t*)o)->a;
2073 return failmsg("Expected CvContourTree for argument '%s'", name);
2077 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
2079 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
2080 (*dst) = &(((cvrng_t*)o)->a);
2083 (*dst) = (CvRNG*)NULL;
2084 return failmsg("Expected CvRNG for argument '%s'", name);
2088 typedef void* generic;
2089 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
2091 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
2092 return convert_to_IplImage(o, (IplImage**)dst, name);
2093 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
2094 return convert_to_CvMat(o, (CvMat**)dst, name);
2095 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
2096 return convert_to_CvMatND(o, (CvMatND**)dst, name);
2098 return failmsg("Cannot identify type of '%s'", name);
2102 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
2104 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
2109 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
2111 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
2116 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
2118 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
2119 (*dst) = (((cvsubdiv2d_t*)o)->a);
2122 (*dst) = (CvSubdiv2D*)NULL;
2123 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
2127 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
2129 if (!PyInt_Check(o)) {
2130 *dst = (CvNextEdgeType)NULL;
2131 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
2133 *dst = (CvNextEdgeType)PyInt_AsLong(o);
2138 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
2140 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
2141 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2145 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2149 /************************************************************************/
2151 static PyObject *pythonize_CvMat(cvmat_t *m)
2153 // Need to make this CvMat look like any other, with a Python
2154 // buffer object as its data.
2156 assert(mat->step != 0);
2158 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2160 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2161 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2162 o->ptr = mat->refcount;
2163 o->size = gap + mat->rows * mat->step;
2164 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2172 // Now m has a reference to data, which has a reference to o.
2174 return (PyObject*)m;
2177 static PyObject *pythonize_foreign_CvMat(cvmat_t *m)
2179 // Need to make this CvMat look like any other, with a Python
2180 // buffer object as its data.
2181 // Difference here is that the buffer is 'foreign' (from NumPy, for example)
2183 assert(mat->step != 0);
2185 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2187 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2188 o->ptr = mat->data.ptr;
2189 o->size = mat->rows * mat->step;
2190 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, mat->rows * mat->step);
2193 Py_INCREF(o); // XXX - hack to prevent free of this foreign memory
2199 // Now m has a reference to data, which has a reference to o.
2201 return (PyObject*)m;
2204 static PyObject *pythonize_IplImage(iplimage_t *cva)
2206 // Need to make this iplimage look like any other, with a Python
2207 // string as its data.
2208 // So copy the image data into a Python string object, then release
2211 IplImage *ipl = (IplImage*)(cva->a);
2212 // PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2214 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2215 assert(ipl->imageDataOrigin == ipl->imageData);
2216 o->ptr = ipl->imageDataOrigin;
2217 o->size = ipl->height * ipl->widthStep;
2218 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2225 return (PyObject*)cva;
2228 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2231 // Need to make this CvMatND look like any other, with a Python
2232 // string as its data.
2233 // So copy the image data into a Python string object, then release
2237 CvMatND *mat = m->a;
2238 assert(mat->dim[0].step != 0);
2240 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2242 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2243 o->ptr = cvPtr1D(mat, 0);
2244 o->size = cvmatnd_size(mat);
2245 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2251 // cvDecRefData(mat); // Ref count should be zero here, so this is a release
2253 return (PyObject*)m;
2256 /************************************************************************/
2257 /* FROM_xxx: C -> Python converters.
2259 * Turn various OpenCV types (and some aggregate types above)
2260 * into Python objects. Used by the generated code.
2262 * All these functions and macros return a new reference.
2266 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2268 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2270 ps->container = storage;
2271 Py_INCREF(ps->container);
2272 return (PyObject*)ps;
2275 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2277 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2279 ps->container = storage;
2280 Py_INCREF(ps->container);
2281 return (PyObject*)ps;
2284 static PyObject *FROM_floats(floats r)
2288 pr = PyList_New(r.count);
2289 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2290 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2295 static PyObject *FROM_chars(chars r)
2299 pr = PyList_New(r.count);
2300 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2301 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2306 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2310 pr = PyList_New(r.count);
2311 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2312 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2317 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2321 pr = PyList_New(r.count);
2322 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2323 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2328 typedef CvSeq CvSeqOfCvConvexityDefect;
2329 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2332 pr = PyList_New(r->total);
2333 for (int i = 0; i < r->total; i++) {
2334 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2335 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2336 pd->start->x, pd->start->y,
2337 pd->end->x, pd->end->y,
2338 pd->depth_point->x, pd->depth_point->y,
2341 // This function has copied the CvSeq data into a list. Hence the
2342 // CvSeq is not being returned to the caller. Hence, no reference
2343 // count increase for the storage, unlike _FROM_CvSeqPTR.
2347 typedef CvSeq CvSeqOfCvAvgComp;
2348 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2351 pr = PyList_New(r->total);
2352 for (int i = 0; i < r->total; i++) {
2353 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2354 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2355 pd->rect.x, pd->rect.y,
2356 pd->rect.width, pd->rect.height,
2359 // This function has copied the CvSeq data into a list. Hence the
2360 // CvSeq is not being returned to the caller. Hence, no reference
2361 // count increase for the storage, unlike _FROM_CvSeqPTR.
2365 typedef CvSeq CvSeqOfCvStarKeypoint;
2366 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2369 pr = PyList_New(r->total);
2370 for (int i = 0; i < r->total; i++) {
2371 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2372 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2377 // This function has copied the CvSeq data into a list. Hence the
2378 // CvSeq is not being returned to the caller. Hence, no reference
2379 // count increase for the storage, unlike _FROM_CvSeqPTR.
2383 typedef CvSeq CvSeqOfCvSURFPoint;
2384 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2387 pr = PyList_New(r->total);
2388 for (int i = 0; i < r->total; i++) {
2389 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2390 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2397 // This function has copied the CvSeq data into a list. Hence the
2398 // CvSeq is not being returned to the caller. Hence, no reference
2399 // count increase for the storage, unlike _FROM_CvSeqPTR.
2403 typedef CvSeq CvSeqOfCvSURFDescriptor;
2404 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2407 pr = PyList_New(r->total);
2408 for (int i = 0; i < r->total; i++) {
2409 float *pd = (float*)cvGetSeqElem(r, i);
2410 int count = r->elem_size / sizeof(float);
2411 PyObject *oi = PyList_New(count);
2412 for (int j = 0; j < count; j++) {
2413 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2415 PyList_SetItem(pr, i, oi);
2417 // This function has copied the CvSeq data into a list. Hence the
2418 // CvSeq is not being returned to the caller. Hence, no reference
2419 // count increase for the storage, unlike _FROM_CvSeqPTR.
2423 typedef CvPoint2D32f CvPoint2D32f_4[4];
2424 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2426 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2433 typedef float CvMatr32f_i[9];
2435 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2437 return Py_BuildValue("(fff)(fff)(fff)",
2443 typedef float CvVect32f_i[3];
2444 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2446 return Py_BuildValue("fff",
2450 static PyObject *FROM_CvFont(CvFont r)
2452 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2454 return (PyObject*)cf;
2457 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2460 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2462 return (PyObject*)cf;
2469 static PyObject *FROM_IplImagePTR(IplImage *r)
2471 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2473 return pythonize_IplImage(cva);
2476 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2479 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2480 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2482 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2484 return (PyObject*)cva;
2490 static PyObject *FROM_ROCvMatPTR(ROCvMat *r)
2493 cvmat_t *cva = PyObject_NEW(cvmat_t, &cvmat_Type);
2494 cva->a = cvCreateMatHeader(100, 100, CV_8U);
2496 cva->data = PyBuffer_FromReadWriteMemory(r->data.ptr, r->rows * r->step);
2498 return (PyObject*)cva;
2504 static PyObject *FROM_CvMatPTR(CvMat *r)
2506 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2509 return pythonize_CvMat(cvm);
2512 static PyObject *FROM_CvMat(CvMat *r)
2514 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2516 return pythonize_CvMat(m);
2519 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2521 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2523 return pythonize_CvMatND(m);
2526 static PyObject *FROM_CvRNG(CvRNG r)
2528 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2530 return (PyObject*)m;
2533 static PyObject *FROM_CvMoments(CvMoments r)
2535 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2537 return (PyObject*)m;
2540 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2542 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2544 return (PyObject*)m;
2547 static PyObject *FROM_generic(generic r)
2549 CvTypeInfo* t = cvTypeOf(r);
2551 failmsg("OpenCV returned NULL");
2553 } if (strcmp(t->type_name, "opencv-image") == 0)
2554 return FROM_IplImagePTR((IplImage*)r);
2555 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2556 return FROM_CvMat((CvMat*)r);
2557 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2558 return FROM_CvHaarClassifierCascadePTR((CvHaarClassifierCascade*)r);
2560 failmsg("Unknown OpenCV type '%s'", t->type_name);
2565 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2567 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2569 m->container = Py_None; // XXX
2570 Py_INCREF(m->container);
2571 return (PyObject*)m;
2574 /************************************************************************/
2576 /* A few functions are too odd to be generated,
2577 * so are handwritten here */
2579 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2583 const char *keywords[] = { "delay", NULL };
2584 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2587 Py_BEGIN_ALLOW_THREADS
2588 r = cvWaitKey(delay);
2589 Py_END_ALLOW_THREADS
2593 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2595 const char *keywords[] = { "filename", "iscolor", NULL };
2597 int iscolor = CV_LOAD_IMAGE_COLOR;
2599 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2602 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2603 // So make a local copy 'filename_copy'.
2604 char filename_copy[2048];
2605 strncpy(filename_copy, filename, sizeof(filename_copy));
2608 Py_BEGIN_ALLOW_THREADS
2609 r = cvLoadImage(filename_copy, iscolor);
2610 Py_END_ALLOW_THREADS
2613 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2616 return FROM_IplImagePTR(r);
2620 static PyObject *pycvLoadImageM(PyObject *self, PyObject *args, PyObject *kw)
2622 const char *keywords[] = { "filename", "iscolor", NULL };
2624 int iscolor = CV_LOAD_IMAGE_COLOR;
2626 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2629 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2630 // So make a local copy 'filename_copy'.
2631 char filename_copy[2048];
2632 strncpy(filename_copy, filename, sizeof(filename_copy));
2635 Py_BEGIN_ALLOW_THREADS
2636 r = cvLoadImageM(filename_copy, iscolor);
2637 Py_END_ALLOW_THREADS
2640 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2643 return FROM_CvMatPTR(r);
2647 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2649 int w, h, depth, channels;
2650 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2652 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2653 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2654 if (cva->a == NULL) {
2655 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2658 cva->data = Py_None;
2659 Py_INCREF(cva->data);
2662 return (PyObject*)cva;
2666 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2668 int w, h, depth, channels;
2669 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2671 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2672 ERRWRAP(cva->a = cvCreateImage(cvSize(w, h), depth, channels));
2673 if (cva->a == NULL) {
2674 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2677 return pythonize_IplImage(cva);
2681 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2683 int rows, cols, type;
2684 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2686 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2687 ERRWRAP(m->a = cvCreateMatHeader(rows, cols, type));
2689 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2695 return (PyObject*)m;
2699 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2701 int rows, cols, type;
2702 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2704 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2705 ERRWRAP(m->a = cvCreateMat(rows, cols, type));
2707 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2710 return pythonize_CvMat(m);
2714 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2719 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2721 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2722 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2726 return (PyObject*)m;
2730 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2735 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2737 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2738 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2739 return pythonize_CvMatND(m);
2742 #if PYTHON_USE_NUMPY
2743 static PyObject *pycvfromarray(PyObject *self, PyObject *args, PyObject *kw)
2745 const char *keywords[] = { "arr", "allowND", NULL };
2749 if (!PyArg_ParseTupleAndKeywords(args, kw, "O|i", (char**)keywords, &o, &allowND))
2751 return fromarray(o, allowND);
2754 static PyObject *fromarray(PyObject *o, int allowND)
2756 PyObject *ao = PyObject_GetAttrString(o, "__array_struct__");
2757 if ((ao == NULL) || !PyCObject_Check(ao)) {
2758 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2761 PyArrayInterface *pai = (PyArrayInterface*)PyCObject_AsVoidPtr(ao);
2762 if (pai->two != 2) {
2763 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2769 switch (pai->typekind) {
2771 if (pai->itemsize == 1)
2773 else if (pai->itemsize == 2)
2775 else if (pai->itemsize == 4)
2777 else if (pai->itemsize == 8) {
2778 PyErr_SetString(PyExc_TypeError, "OpenCV cannot handle 64-bit integer arrays");
2784 if (pai->itemsize == 1)
2786 else if (pai->itemsize == 2)
2791 if (pai->itemsize == 4)
2793 else if (pai->itemsize == 8)
2801 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2803 ERRWRAP(m->a = cvCreateMatHeader(pai->shape[0], pai->shape[1], type));
2804 m->a->step = pai->strides[0];
2805 } else if (pai->nd == 3) {
2806 if (pai->shape[2] > CV_CN_MAX)
2807 return (PyObject*)failmsg("cv.fromarray too many channels, see allowND argument");
2808 ERRWRAP(m->a = cvCreateMatHeader(pai->shape[0], pai->shape[1], type + ((pai->shape[2] - 1) << CV_CN_SHIFT)));
2809 m->a->step = pai->strides[0];
2811 return (PyObject*)failmsg("cv.fromarray array can be 2D or 3D only, see allowND argument");
2813 m->a->data.ptr = (uchar*)pai->data;
2814 return pythonize_foreign_CvMat(m);
2816 int dims[CV_MAX_DIM];
2818 for (i = 0; i < pai->nd; i++)
2819 dims[i] = pai->shape[i];
2820 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2821 ERRWRAP(m->a = cvCreateMatND(pai->nd, dims, type));
2822 m->a->data.ptr = (uchar*)pai->data;
2823 return pythonize_CvMatND(m);
2828 static PyObject *pycvCreateHist(PyObject *self, PyObject *args, PyObject *kw)
2830 const char *keywords[] = { "dims", "type", "ranges", "uniform", NULL };
2833 float **ranges = NULL;
2836 if (!PyArg_ParseTupleAndKeywords(args, kw, "Oi|O&i", (char**)keywords, &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2839 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2840 args = Py_BuildValue("Oi", dims, CV_32FC1);
2841 h->bins = pycvCreateMatND(self, args);
2843 if (h->bins == NULL) {
2846 h->h.type = CV_HIST_MAGIC_VAL;
2847 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2850 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2852 return (PyObject*)h;
2855 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args, PyObject *kw)
2857 const char *keywords[] = { "image", "pt1", "pt2", "connectivity", "left_to_right", NULL };
2861 int connectivity = 8;
2862 int left_to_right = 0;
2864 if (!PyArg_ParseTupleAndKeywords(args, kw, "O&O&O&|ii", (char**)keywords,
2865 convert_to_CvArr, &image,
2866 convert_to_CvPoint, &pt1,
2867 convert_to_CvPoint, &pt2,
2872 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2873 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2874 ERRWRAP(pi->type = cvGetElemType(image));
2875 return (PyObject*)pi;
2878 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2881 if (!PyArg_ParseTuple(args, "|i", &block_size))
2883 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2884 pm->a = cvCreateMemStorage(block_size);
2885 return (PyObject*)pm;
2888 // single index: return row
2889 // 2 indices: row, column
2890 // both row and column can be slices. column slice must have a step of 1.
2892 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2894 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2899 if (!convert_to_CvArr(o, &cva, "src"))
2902 if (!convert_to_dims(key, &dd, cva, "key")) {
2906 // Figure out if all supplied indices have a stride of zero - means they are not slices
2907 // and if all indices are positive
2909 for (int i = 0; i < dd.count; i++) {
2910 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2913 // if every dimension supplied, and none are slices, return the scalar
2914 if ((cvGetDims(cva) == dd.count) && all0) {
2916 ERRWRAP(s = cvGetND(cva, dd.i));
2917 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2919 // pad missing dimensions
2920 for (int i = dd.count; i < cvGetDims(cva); i++) {
2923 dd.length[i] = cvGetDimSize(cva, i);
2925 dd.count = cvGetDims(cva);
2927 // negative steps are illegal for OpenCV
2928 for (int i = 0; i < dd.count; i++) {
2930 return (PyObject*)failmsg("Negative step is illegal");
2933 // zero length illegal for OpenCV
2934 for (int i = 0; i < dd.count; i++) {
2935 if (dd.length[i] == 0)
2936 return (PyObject*)failmsg("Zero sized dimension is illegal");
2939 // column step can only be 0 or 1
2940 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2941 return (PyObject*)failmsg("Column step is illegal");
2943 if (is_cvmat(o) || is_iplimage(o)) {
2944 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2945 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2946 uchar *old0; // pointer to first element in old mat
2948 cvGetRawData(cva, &old0, &oldstep);
2949 uchar *new0; // pointer to first element in new mat
2950 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2952 sub->a->step = oldstep * dd.step[0];
2953 sub->data = what_data(o);
2954 Py_INCREF(sub->data);
2955 sub->offset = new0 - old0;
2956 return (PyObject*)sub;
2958 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2959 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2960 uchar *old0; // pointer to first element in old mat
2961 cvGetRawData(cva, &old0);
2962 uchar *new0; // pointer to first element in new mat
2963 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2965 for (int d = 0; d < dd.count; d++) {
2966 int stp = dd.step[d];
2967 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2968 sub->a->dim[d].size = dd.length[d];
2970 sub->data = what_data(o);
2971 Py_INCREF(sub->data);
2972 sub->offset = new0 - old0;
2973 return (PyObject*)sub;
2978 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2983 if (!convert_to_CvArr(o, &cva, "src"))
2986 if (!convert_to_dims(key, &dd, cva, "key")) {
2990 if (cvGetDims(cva) != dd.count) {
2991 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2996 if (PySequence_Check(v)) {
2997 PyObject *fi = PySequence_Fast(v, "v");
3000 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
3001 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
3004 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
3005 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
3008 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
3009 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
3012 s.val[0] = PyFloat_AsDouble(v);
3016 cvSet1D(cva, dd.i[0], s);
3019 cvSet2D(cva, dd.i[0], dd.i[1], s);
3022 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
3025 cvSetND(cva, dd.i, s);
3026 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
3029 if (cvGetErrStatus() != 0) {
3030 translate_error_to_exception();
3038 static PyObject *pycvSetData(PyObject *self, PyObject *args)
3041 int step = CV_AUTO_STEP;
3043 if (!PyArg_ParseTuple(args, "OO|i", &o, &s, &step))
3045 if (is_iplimage(o)) {
3046 iplimage_t *ipl = (iplimage_t*)o;
3047 ipl->a->widthStep = step;
3048 Py_DECREF(ipl->data);
3050 Py_INCREF(ipl->data);
3051 } else if (is_cvmat(o)) {
3052 cvmat_t *m = (cvmat_t*)o;
3057 } else if (is_cvmatnd(o)) {
3058 cvmatnd_t *m = (cvmatnd_t*)o;
3063 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
3070 static PyObject *what_data(PyObject *o)
3072 if (is_iplimage(o)) {
3073 iplimage_t *ipl = (iplimage_t*)o;
3075 } else if (is_cvmat(o)) {
3076 cvmat_t *m = (cvmat_t*)o;
3078 } else if (is_cvmatnd(o)) {
3079 cvmatnd_t *m = (cvmatnd_t*)o;
3087 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
3091 if (!PyArg_ParseTuple(args, "O", &o))
3095 if (!convert_to_CvArr(o, &a, "arr"))
3097 ERRWRAP(cvCreateData(a));
3099 Py_DECREF(what_data(o));
3100 if (is_iplimage(o)) {
3101 iplimage_t *ipl = (iplimage_t*)o;
3102 pythonize_IplImage(ipl);
3103 } else if (is_cvmat(o)) {
3104 cvmat_t *m = (cvmat_t*)o;
3106 } else if (is_cvmatnd(o)) {
3107 cvmatnd_t *m = (cvmatnd_t*)o;
3108 pythonize_CvMatND(m);
3110 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
3117 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
3121 if (!PyArg_ParseTuple(args, "O", &o))
3124 if (!convert_to_CvArr(o, &cva, "src"))
3128 ERRWRAP(nd = cvGetDims(cva));
3129 PyObject *r = PyTuple_New(nd);
3130 for (i = 0; i < nd; i++)
3131 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
3135 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
3139 if (!PyArg_ParseTuple(args, "O", &o))
3141 if (is_iplimage(o)) {
3145 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
3147 if (!convert_to_CvArr(o, &cva, "src"))
3149 ERRWRAP(cvGetImage(cva, ipl));
3151 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
3153 oipl->data = what_data(o);
3154 Py_INCREF(oipl->data);
3157 r = (PyObject*)oipl;
3162 static PyObject *pycvGetMat(PyObject *self, PyObject *args, PyObject *kw)
3164 const char *keywords[] = { "arr", "allowND", NULL };
3168 if (!PyArg_ParseTupleAndKeywords(args, kw, "O|i", (char**)keywords, &o, &allowND))
3174 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3176 if (!convert_to_CvArr(o, &cva, "src"))
3178 ERRWRAP(cvGetMat(cva, m, NULL, allowND));
3180 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3182 om->data = what_data(o);
3183 Py_INCREF(om->data);
3191 static PyObject *pycvReshape(PyObject *self, PyObject *args)
3197 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
3200 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3202 if (!convert_to_CvArr(o, &cva, "src"))
3204 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
3206 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3208 om->data = what_data(o);
3209 Py_INCREF(om->data);
3212 return (PyObject*)om;
3215 static PyObject *pycvReshapeMatND(PyObject *self, PyObject *args)
3219 PyObject *new_dims = NULL;
3221 if (!PyArg_ParseTuple(args, "OiO", &o, &new_cn, &new_dims))
3225 if (!convert_to_CvMatND(o, &cva, "src"))
3228 if (new_dims != NULL) {
3229 if (!convert_to_ints(new_dims, &dims, "new_dims"))
3234 new_cn = CV_MAT_CN(cvGetElemType(cva));
3237 int count = CV_MAT_CN(cvGetElemType(cva));
3238 for (i = 0; i < cva->dims; i++)
3239 count *= cva->dim[i].size;
3241 int newcount = new_cn;
3242 for (i = 0; i < dims.count; i++)
3243 newcount *= dims.i[i];
3245 if (count != newcount) {
3246 PyErr_SetString(PyExc_TypeError, "Total number of elements must be unchanged");
3250 CvMatND *pn = cvCreateMatNDHeader(dims.count, dims.i, CV_MAKETYPE(CV_MAT_TYPE(cva->type), new_cn));
3251 return shareDataND(o, cva, pn);
3254 static void OnMouse(int event, int x, int y, int flags, void* param)
3256 PyGILState_STATE gstate;
3257 gstate = PyGILState_Ensure();
3259 PyObject *o = (PyObject*)param;
3260 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
3262 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3268 PyGILState_Release(gstate);
3271 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
3273 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
3276 PyObject *param = NULL;
3278 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
3280 if (!PyCallable_Check(on_mouse)) {
3281 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
3284 if (param == NULL) {
3287 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
3291 void OnChange(int pos, void *param)
3293 PyGILState_STATE gstate;
3294 gstate = PyGILState_Ensure();
3296 PyObject *o = (PyObject*)param;
3297 PyObject *args = Py_BuildValue("(i)", pos);
3298 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3302 PyGILState_Release(gstate);
3305 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args)
3307 PyObject *on_change;
3308 char* trackbar_name;
3310 int *value = new int;
3313 if (!PyArg_ParseTuple(args, "ssiiO", &trackbar_name, &window_name, value, &count, &on_change))
3315 if (!PyCallable_Check(on_change)) {
3316 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3319 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3323 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3326 PyObject *pyobj_image = NULL;
3327 CvMemStorage* storage;
3328 PyObject *pyobj_storage = NULL;
3329 CvSeq* first_contour;
3330 int header_size = sizeof(CvContour);
3331 int mode = CV_RETR_LIST;
3332 int method = CV_CHAIN_APPROX_SIMPLE;
3333 CvPoint offset = cvPoint(0,0);
3334 PyObject *pyobj_offset = NULL;
3336 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3337 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3339 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3340 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3341 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3342 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3343 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3344 ps->a = first_contour;
3345 ps->container = PyTuple_GetItem(args, 1); // storage
3346 Py_INCREF(ps->container);
3347 return (PyObject*)ps;
3350 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3353 PyObject *pyobj_src_seq = NULL;
3354 int header_size = sizeof(CvContour);
3355 CvMemStorage* storage;
3356 PyObject *pyobj_storage = NULL;
3358 double parameter = 0;
3361 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3362 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3364 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3365 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3367 ERRWRAP(r = cvApproxPoly(src_seq.mat, header_size, storage, method, parameter, parameter2));
3368 return FROM_CvSeqPTR(r);
3371 static float distance_function_glue( const float* a, const float* b, void* user_param )
3373 PyObject *o = (PyObject*)user_param;
3374 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3375 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3377 return (float)PyFloat_AsDouble(r);
3380 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3382 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3384 PyObject *pyobj_signature1;
3386 PyObject *pyobj_signature2;
3388 PyObject *distance_func = NULL;
3389 CvArr* cost_matrix=NULL;
3390 PyObject *pyobj_cost_matrix = NULL;
3392 PyObject *pyobj_flow = NULL;
3393 float lower_bound = 0.0;
3394 PyObject *userdata = NULL;
3396 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3406 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3407 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3408 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3409 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3411 if (distance_func == NULL) {
3412 distance_func = Py_None;
3414 if (userdata == NULL) {
3418 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3420 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3423 return PyFloat_FromDouble(r);
3426 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3428 PyObject *pyobj_subdiv;
3432 CvSubdiv2DEdge edge;
3433 CvSubdiv2DPoint* vertex;
3435 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3437 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3439 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3442 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3445 case CV_PTLOC_INSIDE:
3446 case CV_PTLOC_ON_EDGE:
3447 r = FROM_CvSubdiv2DEdge(edge);
3449 case CV_PTLOC_VERTEX:
3450 r = FROM_CvSubdiv2DPointPTR(vertex);
3452 case CV_PTLOC_OUTSIDE_RECT:
3457 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3459 return Py_BuildValue("iO", (int)loc, r);
3462 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3465 PyObject *pyobj_prev = NULL;
3467 PyObject *pyobj_curr = NULL;
3469 PyObject *pyobj_prev_pyr = NULL;
3471 PyObject *pyobj_curr_pyr = NULL;
3472 CvPoint2D32f* prev_features;
3473 PyObject *pyobj_prev_features = NULL;
3474 PyObject *pyobj_curr_features = NULL;
3475 CvPoint2D32f* curr_features;
3478 CvTermCriteria criteria;
3481 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3482 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3483 &pyobj_prev_features,
3484 &win_size.width, &win_size.height, &level,
3485 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3487 &pyobj_curr_features))
3489 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3490 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3491 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3492 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3493 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3494 int count = (int)PySequence_Length(pyobj_prev_features);
3495 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3496 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3499 if (!pyobj_curr_features) {
3500 curr_features = new CvPoint2D32f[count];
3502 if (PySequence_Length(pyobj_curr_features) != count) {
3503 failmsg("curr_features must have same length as prev_features");
3506 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3507 flags |= CV_LKFLOW_INITIAL_GUESSES;
3509 float *track_error = new float[count];
3510 char* status = new char[count];
3511 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3513 cvpoint2d32f_count r0;
3514 r0.points = curr_features;
3525 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3528 // pt1,pt2 are input and output arguments here
3530 static PyObject *pycvClipLine(PyObject *self, PyObject *args)
3533 PyObject *pyobj_img_size = NULL;
3535 PyObject *pyobj_pt1 = NULL;
3537 PyObject *pyobj_pt2 = NULL;
3539 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3541 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3542 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3543 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3545 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3549 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3553 static PyObject *temp_test(PyObject *self, PyObject *args)
3556 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3557 printf("im=%p\n", im);
3558 CvMat *m = cvEncodeImage(".jpeg", im);
3561 CvArr *im = cvLoadImage("lena.jpg", 0);
3562 float r0[] = { 0, 255 };
3563 float *ranges[] = { r0 };
3564 int hist_size[] = { 256 };
3565 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3566 cvCalcHist(im, hist, 0, 0);
3570 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3571 CvMat row_header, *row;
3572 row = cvReshape( mat, &row_header, 0, 1 );
3573 printf("%d,%d\n", row_header.rows, row_header.cols);
3574 printf("ge %08x\n", cvGetElemType(mat));
3578 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3579 printf("CvMat stride ===> %d\n", m->step);
3583 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3584 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3586 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3587 cvGetAffineTransform(src, dst, mapping);
3588 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3592 CvArr *im = cvLoadImage("checker77.png");
3593 CvPoint2D32f corners[49];
3595 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3596 printf("count=%d\n", count);
3599 return PyFloat_FromDouble(0.0);
3602 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3605 PyObject *pyobj_image = NULL;
3606 CvSize pattern_size;
3607 PyObject *pyobj_pattern_size = NULL;
3608 cvpoint2d32f_count corners;
3609 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3611 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3612 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3614 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3615 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3617 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3618 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3619 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3622 // For functions GetSubRect, GetRow, GetCol.
3623 // recipient has a view into donor's data, and needs to share it.
3624 // make recipient use the donor's data, compute the offset,
3625 // and manage reference counts.
3627 static void preShareData(CvArr *donor, CvMat **recipient)
3629 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3632 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3634 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3635 ((cvmat_t*)recipient)->a = precipient;
3636 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3639 if (is_cvmat(donor)) {
3640 arr_data = ((cvmat_t*)donor)->data;
3641 } else if (is_iplimage(donor)) {
3642 arr_data = ((iplimage_t*)donor)->data;
3644 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3646 ((cvmat_t*)recipient)->data = arr_data;
3647 Py_INCREF(arr_data);
3651 static PyObject *shareDataND(PyObject *donor, CvMatND *pdonor, CvMatND *precipient)
3653 PyObject *recipient = (PyObject*)PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
3654 ((cvmatnd_t*)recipient)->a = precipient;
3655 ((cvmatnd_t*)recipient)->offset = 0;
3658 arr_data = ((cvmatnd_t*)donor)->data;
3659 ((cvmatnd_t*)recipient)->data = arr_data;
3660 Py_INCREF(arr_data);
3664 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args)
3667 PyObject *pyobj_moments = NULL;
3669 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3671 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3673 ERRWRAP(cvGetHuMoments(moments, &r));
3674 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3677 static PyObject *pycvFitLine(PyObject *self, PyObject *args)
3680 PyObject *pyobj_points = NULL;
3687 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3689 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3690 ERRWRAP(cvFitLine(points.mat, dist_type, param, reps, aeps, r));
3692 if (strcmp("opencv-matrix", cvTypeOf(points.mat)->type_name) == 0)
3693 dimension = CV_MAT_CN(cvGetElemType(points.mat));
3695 // sequence case... don't think there is a sequence of 3d points,
3700 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3702 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3705 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args)
3708 PyObject *pyobj_hist = NULL;
3711 int min_loc[CV_MAX_DIM];
3712 int max_loc[CV_MAX_DIM];
3714 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3716 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3717 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3718 int d = cvGetDims(hist->bins);
3719 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3720 for (int i = 0; i < d; i++) {
3721 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3722 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3724 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3727 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3728 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3729 double hit_threshold=0, double scale=1.05,
3730 int group_threshold=2, CvSize padding=cvSize(0,0),
3731 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3732 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3733 int nbins=9, int gammaCorrection=1 )
3735 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3736 if(win_stride.width == 0 && win_stride.height == 0)
3737 win_stride = block_stride;
3738 cv::Mat img = cv::cvarrToMat(image);
3739 std::vector<cv::Rect> found;
3742 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3743 int sz = m->cols*m->rows;
3744 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3745 std::vector<float> w(sz);
3746 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3747 hog.setSVMDetector(w);
3750 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3751 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3752 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3754 cvSeqPushMulti(seq, &found[0], (int)found.size());
3758 static int zero = 0;
3760 /************************************************************************/
3761 /* Custom Validators */
3763 #define CVPY_VALIDATE_DrawChessboardCorners() do { \
3764 if ((patternSize.width * patternSize.height) != corners.count) \
3765 return (PyObject*)failmsg("Size is %dx%d, but corner list is length %d", patternSize.width, patternSize.height, corners.count); \
3768 #define cvGetRotationMatrix2D cv2DRotationMatrix
3770 /************************************************************************/
3771 /* Generated functions */
3773 #define constCvMat const CvMat
3774 #define FROM_constCvMatPTR(x) FROM_CvMatPTR((CvMat*)x)
3777 #include "generated0.i"
3779 static PyMethodDef methods[] = {
3781 #if PYTHON_USE_NUMPY
3782 {"fromarray", (PyCFunction)pycvfromarray, METH_KEYWORDS, "fromarray(array) -> cvmatnd"},
3785 //{"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"},
3786 //{"_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"},
3787 //{"_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"},
3788 //{"_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"},
3790 {"temp_test", temp_test, METH_VARARGS},
3792 #include "generated1.i"
3797 /************************************************************************/
3800 static int to_ok(PyTypeObject *to)
3802 to->tp_alloc = PyType_GenericAlloc;
3803 to->tp_new = PyType_GenericNew;
3804 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3805 return (PyType_Ready(to) == 0);
3808 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3811 #if defined WIN32 || defined _WIN32
3812 __declspec(dllexport)
3818 cvSetErrMode(CV_ErrModeParent);
3820 MKTYPE(cvcontourtree);
3822 MKTYPE(cvhistogram);
3823 MKTYPE(cvlineiterator);
3826 MKTYPE(cvmemstorage);
3828 MKTYPE(cvsubdiv2dedge);
3833 MKTYPE(cvsubdiv2dpoint);
3837 #include "generated4.i"
3839 m = Py_InitModule(MODULESTR"", methods);
3840 d = PyModule_GetDict(m);
3842 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3843 PyDict_SetItemString(d, "error", opencv_error);
3845 // Couple of warnings about strict aliasing here. Not clear how to fix.
3850 convert.to = &iplimage_Type;
3851 PyDict_SetItemString(d, "iplimage", convert.o);
3852 convert.to = &cvmat_Type;
3853 PyDict_SetItemString(d, "cvmat", convert.o);
3855 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3856 #define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
3858 PUBLISHU(IPL_DEPTH_8U);
3859 PUBLISHU(IPL_DEPTH_8S);
3860 PUBLISHU(IPL_DEPTH_16U);
3861 PUBLISHU(IPL_DEPTH_16S);
3862 PUBLISHU(IPL_DEPTH_32S);
3863 PUBLISHU(IPL_DEPTH_32F);
3864 PUBLISHU(IPL_DEPTH_64F);
3866 PUBLISH(CV_LOAD_IMAGE_COLOR);
3867 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3868 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3869 PUBLISH(CV_HIST_ARRAY);
3870 PUBLISH(CV_HIST_SPARSE);
3906 PUBLISH(CV_NEXT_AROUND_ORG);
3907 PUBLISH(CV_NEXT_AROUND_DST);
3908 PUBLISH(CV_PREV_AROUND_ORG);
3909 PUBLISH(CV_PREV_AROUND_DST);
3910 PUBLISH(CV_NEXT_AROUND_LEFT);
3911 PUBLISH(CV_NEXT_AROUND_RIGHT);
3912 PUBLISH(CV_PREV_AROUND_LEFT);
3913 PUBLISH(CV_PREV_AROUND_RIGHT);
3915 PUBLISH(CV_WINDOW_AUTOSIZE);
3917 PUBLISH(CV_PTLOC_INSIDE);
3918 PUBLISH(CV_PTLOC_ON_EDGE);
3919 PUBLISH(CV_PTLOC_VERTEX);
3920 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3922 #include "generated2.i"
3926 int sizes[] = { 10 } ;
3927 float ranges[] = { 0.0, 1.0 };
3928 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3931 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3932 printf("h->type = %08x\n", h->type);
3933 printf("h->bins = %p\n", h->bins);
3934 printf("h->mat = %p\n", &(h->mat));