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;
103 struct cvhaarclassifiercascade_t {
105 CvHaarClassifierCascade *a;
108 struct cvcontourtree_t {
118 static int is_iplimage(PyObject *o);
119 static int is_cvmat(PyObject *o);
120 static int is_cvmatnd(PyObject *o);
121 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name = "no_name");
122 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name = "no_name");
123 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name = "no_name");
124 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name = "no_name");
125 static PyObject *what_data(PyObject *o);
126 static PyObject *FROM_CvMat(CvMat *r);
128 static void translate_error_to_exception(void)
130 PyErr_SetString(opencv_error, cvErrorStr(cvGetErrStatus()));
134 #define ERRCHK do { if (cvGetErrStatus() != 0) { translate_error_to_exception(); return NULL; } } while (0)
141 catch (const cv::Exception &e) \
143 PyErr_SetString(opencv_error, e.err.c_str()); \
149 /************************************************************************/
151 static int failmsg(const char *fmt, ...)
157 vsnprintf(str, sizeof(str), fmt, ap);
160 PyErr_SetString(PyExc_TypeError, str);
164 /************************************************************************/
166 /* These get/setters are polymorphic, used in both iplimage and cvmat */
168 static PyObject *PyObject_FromCvScalar(CvScalar s, int type)
170 int i, spe = CV_MAT_CN(type);
173 r = PyTuple_New(spe);
174 for (i = 0; i < spe; i++)
175 PyTuple_SET_ITEM(r, i, PyFloat_FromDouble(s.val[i]));
177 r = PyFloat_FromDouble(s.val[0]);
182 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key);
183 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v);
185 // o is a Python string or buffer object. Return its size.
187 static Py_ssize_t what_size(PyObject *o)
190 Py_ssize_t buffer_len;
192 if (PyString_Check(o)) {
193 return PyString_Size(o);
194 } else if (PyObject_AsWriteBuffer(o, &buffer, &buffer_len) == 0) {
197 assert(0); // argument must be string or buffer.
203 /************************************************************************/
205 CvMat *PyCvMat_AsCvMat(PyObject *o)
207 assert(0); // not yet implemented: reference counting for CvMat in Kalman is unclear...
211 #define cvReleaseIplConvKernel(x) cvReleaseStructuringElement(x)
212 #include "generated3.i"
216 static void iplimage_dealloc(PyObject *self)
218 iplimage_t *pc = (iplimage_t*)self;
219 cvReleaseImageHeader((IplImage**)&pc->a);
224 static PyObject *iplimage_repr(PyObject *self)
226 iplimage_t *cva = (iplimage_t*)self;
227 IplImage* ipl = (IplImage*)(cva->a);
229 sprintf(str, "<iplimage(");
230 char *d = str + strlen(str);
231 sprintf(d, "nChannels=%d ", ipl->nChannels);
233 sprintf(d, "width=%d ", ipl->width);
235 sprintf(d, "height=%d ", ipl->height);
237 sprintf(d, "widthStep=%d ", ipl->widthStep);
240 return PyString_FromString(str);
243 static PyObject *iplimage_tostring(PyObject *self, PyObject *args)
245 iplimage_t *pc = (iplimage_t*)self;
247 if (!convert_to_IplImage(self, &i, "self"))
269 return (PyObject*)failmsg("Unrecognised depth %d", i->depth);
271 int bpl = i->width * i->nChannels * bps;
272 if (PyString_Check(pc->data) && bpl == i->widthStep && pc->offset == 0 && ((bpl * i->height) == what_size(pc->data))) {
276 int l = bpl * i->height;
277 char *s = new char[l];
279 for (y = 0; y < i->height; y++) {
280 memcpy(s + y * bpl, i->imageData + y * i->widthStep, bpl);
282 PyObject *r = PyString_FromStringAndSize(s, l);
288 static struct PyMethodDef iplimage_methods[] =
290 {"tostring", iplimage_tostring, METH_VARARGS},
294 static PyObject *iplimage_getnChannels(iplimage_t *cva)
296 return PyInt_FromLong(((IplImage*)(cva->a))->nChannels);
298 static PyObject *iplimage_getwidth(iplimage_t *cva)
300 return PyInt_FromLong(((IplImage*)(cva->a))->width);
302 static PyObject *iplimage_getheight(iplimage_t *cva)
304 return PyInt_FromLong(((IplImage*)(cva->a))->height);
306 static PyObject *iplimage_getdepth(iplimage_t *cva)
308 return PyLong_FromUnsignedLong((unsigned)((IplImage*)(cva->a))->depth);
310 static PyObject *iplimage_getorigin(iplimage_t *cva)
312 return PyInt_FromLong(((IplImage*)(cva->a))->origin);
314 static void iplimage_setorigin(iplimage_t *cva, PyObject *v)
316 ((IplImage*)(cva->a))->origin = PyInt_AsLong(v);
319 static PyGetSetDef iplimage_getseters[] = {
320 {(char*)"nChannels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
321 {(char*)"width", (getter)iplimage_getwidth, (setter)NULL, (char*)"width", NULL},
322 {(char*)"height", (getter)iplimage_getheight, (setter)NULL, (char*)"height", NULL},
323 {(char*)"depth", (getter)iplimage_getdepth, (setter)NULL, (char*)"depth", NULL},
324 {(char*)"origin", (getter)iplimage_getorigin, (setter)iplimage_setorigin, (char*)"origin", NULL},
325 {NULL} /* Sentinel */
328 static PyMappingMethods iplimage_as_map = {
334 static PyTypeObject iplimage_Type = {
335 PyObject_HEAD_INIT(&PyType_Type)
337 MODULESTR".iplimage", /*name*/
338 sizeof(iplimage_t), /*basicsize*/
341 static void iplimage_specials(void)
343 iplimage_Type.tp_dealloc = iplimage_dealloc;
344 iplimage_Type.tp_as_mapping = &iplimage_as_map;
345 iplimage_Type.tp_repr = iplimage_repr;
346 iplimage_Type.tp_methods = iplimage_methods;
347 iplimage_Type.tp_getset = iplimage_getseters;
350 static int is_iplimage(PyObject *o)
352 return PyType_IsSubtype(o->ob_type, &iplimage_Type);
355 /************************************************************************/
359 static void cvmat_dealloc(PyObject *self)
361 cvmat_t *pc = (cvmat_t*)self;
367 static PyObject *cvmat_repr(PyObject *self)
369 CvMat *m = ((cvmat_t*)self)->a;
371 sprintf(str, "<cvmat(");
372 char *d = str + strlen(str);
373 sprintf(d, "type=%08x ", m->type);
375 sprintf(d, "rows=%d ", m->rows);
377 sprintf(d, "cols=%d ", m->cols);
379 sprintf(d, "step=%d ", m->step);
382 return PyString_FromString(str);
385 static PyObject *cvmat_tostring(PyObject *self, PyObject *args)
388 if (!convert_to_CvMat(self, &m, "self"))
391 int bps; // bytes per sample
393 switch (CV_MAT_DEPTH(m->type)) {
396 bps = CV_MAT_CN(m->type) * 1;
400 bps = CV_MAT_CN(m->type) * 2;
404 bps = CV_MAT_CN(m->type) * 4;
407 bps = CV_MAT_CN(m->type) * 8;
410 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
413 int bpl = m->cols * bps; // bytes per line
414 cvmat_t *pc = (cvmat_t*)self;
415 if (PyString_Check(pc->data) && bpl == m->step && pc->offset == 0 && ((bpl * m->rows) == what_size(pc->data))) {
419 int l = bpl * m->rows;
420 char *s = new char[l];
422 for (y = 0; y < m->rows; y++) {
423 memcpy(s + y * bpl, m->data.ptr + y * m->step, bpl);
425 PyObject *r = PyString_FromStringAndSize(s, l);
431 static struct PyMethodDef cvmat_methods[] =
433 {"tostring", cvmat_tostring, METH_VARARGS},
437 static PyObject *cvmat_gettype(cvmat_t *cva)
439 return PyInt_FromLong(cvGetElemType(cva->a));
442 static PyObject *cvmat_getstep(cvmat_t *cva)
444 return PyInt_FromLong(cva->a->step);
447 static PyObject *cvmat_getrows(cvmat_t *cva)
449 return PyInt_FromLong(cva->a->rows);
452 static PyObject *cvmat_getcols(cvmat_t *cva)
454 return PyInt_FromLong(cva->a->cols);
458 #include "numpy/ndarrayobject.h"
460 // A PyArrayInterface, with an associated python object that should be DECREF'ed on release
466 static void arrayTrackDtor(void *p)
468 struct arrayTrack *at = (struct arrayTrack *)p;
470 delete at->s.strides;
472 Py_DECREF(at->s.descr);
476 // Fill in fields of PyArrayInterface s using mtype. This code is common
477 // to cvmat and cvmatnd
479 static void arrayinterface_common(PyArrayInterface *s, int mtype)
483 switch (CV_MAT_DEPTH(mtype)) {
516 s->flags = NPY_WRITEABLE | NPY_NOTSWAPPED;
519 static PyObject *cvmat_array_struct(cvmat_t *cva)
522 convert_to_CvMat((PyObject *)cva, &m, "");
524 arrayTrack *at = new arrayTrack;
525 PyArrayInterface *s = &at->s;
530 arrayinterface_common(s, m->type);
532 if (CV_MAT_CN(m->type) == 1) {
534 s->shape = new npy_intp[2];
535 s->shape[0] = m->rows;
536 s->shape[1] = m->cols;
537 s->strides = new npy_intp[2];
538 s->strides[0] = m->step;
539 s->strides[1] = s->itemsize;
542 s->shape = new npy_intp[3];
543 s->shape[0] = m->rows;
544 s->shape[1] = m->cols;
545 s->shape[2] = CV_MAT_CN(m->type);
546 s->strides = new npy_intp[3];
547 s->strides[0] = m->step;
548 s->strides[1] = s->itemsize * CV_MAT_CN(m->type);
549 s->strides[2] = s->itemsize;
551 s->data = (void*)(m->data.ptr);
552 s->descr = PyList_New(1);
554 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
555 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
557 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
560 static PyObject *cvmatnd_array_struct(cvmatnd_t *cva)
563 convert_to_CvMatND((PyObject *)cva, &m, "");
565 arrayTrack *at = new arrayTrack;
566 PyArrayInterface *s = &at->s;
571 arrayinterface_common(s, m->type);
574 if (CV_MAT_CN(m->type) == 1) {
576 s->shape = new npy_intp[s->nd];
577 for (i = 0; i < s->nd; i++)
578 s->shape[i] = m->dim[i].size;
579 s->strides = new npy_intp[s->nd];
580 for (i = 0; i < (s->nd - 1); i++)
581 s->strides[i] = m->dim[i].step;
582 s->strides[s->nd - 1] = s->itemsize;
585 s->shape = new npy_intp[s->nd];
586 for (i = 0; i < (s->nd - 1); i++)
587 s->shape[i] = m->dim[i].size;
588 s->shape[s->nd - 1] = CV_MAT_CN(m->type);
590 s->strides = new npy_intp[s->nd];
591 for (i = 0; i < (s->nd - 2); i++)
592 s->strides[i] = m->dim[i].step;
593 s->strides[s->nd - 2] = s->itemsize * CV_MAT_CN(m->type);
594 s->strides[s->nd - 1] = s->itemsize;
596 s->data = (void*)(m->data.ptr);
597 s->descr = PyList_New(1);
599 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
600 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
602 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
606 static PyGetSetDef cvmat_getseters[] = {
607 {(char*)"type", (getter)cvmat_gettype, (setter)NULL, (char*)"type", NULL},
608 {(char*)"step", (getter)cvmat_getstep, (setter)NULL, (char*)"step", NULL},
609 {(char*)"rows", (getter)cvmat_getrows, (setter)NULL, (char*)"rows", NULL},
610 {(char*)"cols", (getter)cvmat_getcols, (setter)NULL, (char*)"cols", NULL},
611 {(char*)"width", (getter)cvmat_getcols, (setter)NULL, (char*)"width", NULL},
612 {(char*)"height", (getter)cvmat_getrows, (setter)NULL, (char*)"height", NULL},
614 {(char*)"__array_struct__", (getter)cvmat_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
616 {NULL} /* Sentinel */
619 static PyMappingMethods cvmat_as_map = {
625 static PyTypeObject cvmat_Type = {
626 PyObject_HEAD_INIT(&PyType_Type)
628 MODULESTR".cvmat", /*name*/
629 sizeof(cvmat_t), /*basicsize*/
632 static void cvmat_specials(void)
634 cvmat_Type.tp_dealloc = cvmat_dealloc;
635 cvmat_Type.tp_as_mapping = &cvmat_as_map;
636 cvmat_Type.tp_repr = cvmat_repr;
637 cvmat_Type.tp_methods = cvmat_methods;
638 cvmat_Type.tp_getset = cvmat_getseters;
641 static int is_cvmat(PyObject *o)
643 return PyType_IsSubtype(o->ob_type, &cvmat_Type);
646 /************************************************************************/
650 static void cvmatnd_dealloc(PyObject *self)
652 cvmatnd_t *pc = (cvmatnd_t*)self;
657 static PyObject *cvmatnd_repr(PyObject *self)
659 CvMatND *m = ((cvmatnd_t*)self)->a;
661 sprintf(str, "<cvmatnd(");
662 char *d = str + strlen(str);
663 sprintf(d, "type=%08x ", m->type);
666 return PyString_FromString(str);
669 static size_t cvmatnd_size(CvMatND *m)
672 switch (CV_MAT_DEPTH(m->type)) {
675 bps = CV_MAT_CN(m->type) * 1;
679 bps = CV_MAT_CN(m->type) * 2;
683 bps = CV_MAT_CN(m->type) * 4;
686 bps = CV_MAT_CN(m->type) * 8;
692 for (int d = 0; d < m->dims; d++) {
698 static PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
701 if (!convert_to_CvMatND(self, &m, "self"))
705 switch (CV_MAT_DEPTH(m->type)) {
708 bps = CV_MAT_CN(m->type) * 1;
712 bps = CV_MAT_CN(m->type) * 2;
716 bps = CV_MAT_CN(m->type) * 4;
719 bps = CV_MAT_CN(m->type) * 8;
722 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
726 for (int d = 0; d < m->dims; d++) {
731 for (d = 0; d < m->dims; d++) {
734 int rowsize = m->dim[m->dims-1].size * bps;
735 char *s = new char[l];
740 memcpy(ps, cvPtrND(m, i), rowsize);
742 for (d = m->dims - 2; 0 <= d; d--) {
743 if (++i[d] < cvGetDimSize(m, d)) {
753 return PyString_FromStringAndSize(s, ps - s);
756 static struct PyMethodDef cvmatnd_methods[] =
758 {"tostring", cvmatnd_tostring, METH_VARARGS},
762 static PyGetSetDef cvmatnd_getseters[] = {
764 {(char*)"__array_struct__", (getter)cvmatnd_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
766 {NULL} /* Sentinel */
769 static PyMappingMethods cvmatnd_as_map = {
775 static PyTypeObject cvmatnd_Type = {
776 PyObject_HEAD_INIT(&PyType_Type)
778 MODULESTR".cvmatnd", /*name*/
779 sizeof(cvmatnd_t), /*basicsize*/
782 static void cvmatnd_specials(void)
784 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
785 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
786 cvmatnd_Type.tp_repr = cvmatnd_repr;
787 cvmatnd_Type.tp_methods = cvmatnd_methods;
788 cvmatnd_Type.tp_getset = cvmatnd_getseters;
791 static int is_cvmatnd(PyObject *o)
793 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
796 /************************************************************************/
800 static void cvhistogram_dealloc(PyObject *self)
802 cvhistogram_t *cvh = (cvhistogram_t*)self;
803 Py_DECREF(cvh->bins);
807 static PyTypeObject cvhistogram_Type = {
808 PyObject_HEAD_INIT(&PyType_Type)
810 MODULESTR".cvhistogram", /*name*/
811 sizeof(cvhistogram_t), /*basicsize*/
814 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
816 Py_INCREF(cvh->bins);
820 static PyGetSetDef cvhistogram_getseters[] = {
821 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
822 {NULL} /* Sentinel */
825 static void cvhistogram_specials(void)
827 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
828 cvhistogram_Type.tp_getset = cvhistogram_getseters;
831 /************************************************************************/
835 static PyObject *cvlineiterator_iter(PyObject *o)
841 static PyObject *cvlineiterator_next(PyObject *o)
843 cvlineiterator_t *pi = (cvlineiterator_t*)o;
849 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
850 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
852 CV_NEXT_LINE_POINT(pi->iter);
860 static PyTypeObject cvlineiterator_Type = {
861 PyObject_HEAD_INIT(&PyType_Type)
863 MODULESTR".cvlineiterator", /*name*/
864 sizeof(cvlineiterator_t), /*basicsize*/
867 static void cvlineiterator_specials(void)
869 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
870 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
873 /************************************************************************/
877 static void memtrack_dealloc(PyObject *self)
879 memtrack_t *pi = (memtrack_t*)self;
880 // printf("===> memtrack_dealloc %p!\n", pi->ptr);
885 static PyTypeObject memtrack_Type = {
886 PyObject_HEAD_INIT(&PyType_Type)
888 MODULESTR".memtrack", /*name*/
889 sizeof(memtrack_t), /*basicsize*/
892 Py_ssize_t memtrack_getreadbuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
894 *ptrptr = &((memtrack_t*)self)->ptr;
895 return ((memtrack_t*)self)->size;
898 Py_ssize_t memtrack_getwritebuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
900 *ptrptr = ((memtrack_t*)self)->ptr;
901 return ((memtrack_t*)self)->size;
904 Py_ssize_t memtrack_getsegcount(PyObject *self, Py_ssize_t *lenp)
906 return (Py_ssize_t)1;
909 PyBufferProcs memtrack_as_buffer = {
910 memtrack_getreadbuffer,
911 memtrack_getwritebuffer,
915 static void memtrack_specials(void)
917 memtrack_Type.tp_dealloc = memtrack_dealloc;
918 memtrack_Type.tp_as_buffer = &memtrack_as_buffer;
921 /************************************************************************/
925 static PyTypeObject cvmoments_Type = {
926 PyObject_HEAD_INIT(&PyType_Type)
928 MODULESTR".cvmoments", /*name*/
929 sizeof(cvmoments_t), /*basicsize*/
932 static void cvmoments_specials(void)
936 /************************************************************************/
940 static void cvmemstorage_dealloc(PyObject *self)
942 cvmemstorage_t *ps = (cvmemstorage_t*)self;
943 cvReleaseMemStorage(&(ps->a));
947 static PyTypeObject cvmemstorage_Type = {
948 PyObject_HEAD_INIT(&PyType_Type)
950 MODULESTR".cvmemstorage", /*name*/
951 sizeof(cvmemstorage_t), /*basicsize*/
954 static void cvmemstorage_specials(void)
956 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
959 /************************************************************************/
963 static PyTypeObject cvfont_Type = {
964 PyObject_HEAD_INIT(&PyType_Type)
966 MODULESTR".cvfont", /*name*/
967 sizeof(cvfont_t), /*basicsize*/
970 static void cvfont_specials(void) { }
972 /************************************************************************/
976 static PyTypeObject cvrng_Type = {
977 PyObject_HEAD_INIT(&PyType_Type)
979 MODULESTR".cvrng", /*name*/
980 sizeof(cvrng_t), /*basicsize*/
983 static void cvrng_specials(void)
987 /************************************************************************/
989 /* cvhaarclassifiercascade */
991 static PyTypeObject cvhaarclassifiercascade_Type = {
992 PyObject_HEAD_INIT(&PyType_Type)
994 MODULESTR".cvhaarclassifiercascade", /*name*/
995 sizeof(cvhaarclassifiercascade_t), /*basicsize*/
998 static void cvhaarclassifiercascade_specials(void) { }
1000 /************************************************************************/
1004 static PyTypeObject cvcontourtree_Type = {
1005 PyObject_HEAD_INIT(&PyType_Type)
1007 MODULESTR".cvcontourtree", /*name*/
1008 sizeof(cvcontourtree_t), /*basicsize*/
1011 static void cvcontourtree_specials(void) { }
1014 /************************************************************************/
1016 /* cvsubdiv2dedge */
1018 static PyTypeObject cvsubdiv2dedge_Type = {
1019 PyObject_HEAD_INIT(&PyType_Type)
1021 MODULESTR".cvsubdiv2dedge", /*name*/
1022 sizeof(cvsubdiv2dedge_t), /*basicsize*/
1025 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
1027 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
1028 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
1031 else if (e1->a > e2->a)
1037 static PyObject *cvquadedge_repr(PyObject *self)
1039 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
1041 sprintf(str, "<cvsubdiv2dedge(");
1042 char *d = str + strlen(str);
1043 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
1046 return PyString_FromString(str);
1049 static void cvsubdiv2dedge_specials(void) {
1050 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
1051 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
1054 /************************************************************************/
1058 static void cvseq_dealloc(PyObject *self)
1060 cvseq_t *ps = (cvseq_t*)self;
1061 Py_DECREF(ps->container);
1065 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
1066 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
1067 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
1068 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
1070 static struct PyMethodDef cvseq_methods[] =
1072 {"h_next", cvseq_h_next, METH_VARARGS},
1073 {"h_prev", cvseq_h_prev, METH_VARARGS},
1074 {"v_next", cvseq_v_next, METH_VARARGS},
1075 {"v_prev", cvseq_v_prev, METH_VARARGS},
1079 static Py_ssize_t cvseq_seq_length(PyObject *o)
1081 cvseq_t *ps = (cvseq_t*)o;
1083 return (Py_ssize_t)0;
1085 return (Py_ssize_t)(ps->a->total);
1088 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
1090 cvseq_t *ps = (cvseq_t*)o;
1098 if (i < cvseq_seq_length(o)) {
1099 switch (CV_SEQ_ELTYPE(ps->a)) {
1101 case CV_SEQ_ELTYPE_POINT:
1102 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
1103 return Py_BuildValue("ii", pt->x, pt->y);
1105 case CV_SEQ_ELTYPE_GENERIC:
1106 switch (ps->a->elem_size) {
1107 case sizeof(CvQuadEdge2D):
1109 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1110 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
1111 r->container = ps->container;
1112 Py_INCREF(r->container);
1113 return (PyObject*)r;
1116 printf("seq elem size is %d\n", ps->a->elem_size);
1117 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
1120 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
1122 case CV_SEQ_ELTYPE_PTR:
1123 case CV_SEQ_ELTYPE_INDEX:
1124 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
1127 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
1128 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
1131 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
1132 return Py_BuildValue("ff", pt2->x, pt2->y);
1134 case CV_SEQ_ELTYPE_POINT3D:
1135 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
1136 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
1139 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1147 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1149 if (PyInt_Check(item)) {
1150 long i = PyInt_AS_LONG(item);
1152 i += cvseq_seq_length(o);
1153 return cvseq_seq_getitem(o, i);
1154 } else if (PySlice_Check(item)) {
1155 Py_ssize_t start, stop, step, slicelength, cur, i;
1158 if (PySlice_GetIndicesEx((PySliceObject*)item, cvseq_seq_length(o),
1159 &start, &stop, &step, &slicelength) < 0) {
1163 if (slicelength <= 0) {
1164 return PyList_New(0);
1166 result = PyList_New(slicelength);
1167 if (!result) return NULL;
1169 for (cur = start, i = 0; i < slicelength;
1171 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1177 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1183 PySequenceMethods cvseq_sequence = {
1190 static PyMappingMethods cvseq_mapping = {
1196 static PyTypeObject cvseq_Type = {
1197 PyObject_HEAD_INIT(&PyType_Type)
1199 MODULESTR".cvseq", /*name*/
1200 sizeof(cvseq_t), /*basicsize*/
1203 static void cvseq_specials(void)
1205 cvseq_Type.tp_dealloc = cvseq_dealloc;
1206 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1207 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1208 cvseq_Type.tp_methods = cvseq_methods;
1211 #define MK_ACCESSOR(FIELD) \
1212 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1214 cvseq_t *ps = (cvseq_t*)self; \
1216 if (s->FIELD == NULL) { \
1219 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1221 r->container = ps->container; \
1222 Py_INCREF(r->container); \
1223 return (PyObject*)r; \
1233 /************************************************************************/
1237 static void cvset_dealloc(PyObject *self)
1239 cvset_t *ps = (cvset_t*)self;
1240 Py_DECREF(ps->container);
1244 static PyTypeObject cvset_Type = {
1245 PyObject_HEAD_INIT(&PyType_Type)
1247 MODULESTR".cvset", /*name*/
1248 sizeof(cvset_t), /*basicsize*/
1251 static PyObject *cvset_iter(PyObject *o)
1254 cvset_t *ps = (cvset_t*)o;
1259 static PyObject *cvset_next(PyObject *o)
1261 cvset_t *ps = (cvset_t*)o;
1263 while (ps->i < ps->a->total) {
1264 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1265 int prev_i = ps->i++;
1267 return cvseq_seq_getitem(o, prev_i);
1273 static void cvset_specials(void)
1275 cvset_Type.tp_dealloc = cvset_dealloc;
1276 cvset_Type.tp_iter = cvset_iter;
1277 cvset_Type.tp_iternext = cvset_next;
1280 /************************************************************************/
1284 static PyTypeObject cvsubdiv2d_Type = {
1285 PyObject_HEAD_INIT(&PyType_Type)
1287 MODULESTR".cvsubdiv2d", /*name*/
1288 sizeof(cvsubdiv2d_t), /*basicsize*/
1291 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1293 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1294 if (strcmp(PyString_AsString(name), "edges") == 0) {
1295 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1297 r->container = p->container;
1298 Py_INCREF(r->container);
1299 return (PyObject*)r;
1301 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1306 static void cvsubdiv2d_specials(void)
1308 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1311 /************************************************************************/
1313 /* cvsubdiv2dpoint */
1315 static PyTypeObject cvsubdiv2dpoint_Type = {
1316 PyObject_HEAD_INIT(&PyType_Type)
1318 MODULESTR".cvsubdiv2dpoint", /*name*/
1319 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1322 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1324 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1325 if (strcmp(PyString_AsString(name), "first") == 0) {
1326 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1328 r->container = p->container;
1329 Py_INCREF(r->container);
1330 return (PyObject*)r;
1331 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1332 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1334 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1339 static void cvsubdiv2dpoint_specials(void)
1341 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1344 /************************************************************************/
1345 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1347 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1349 if (PyString_Check(o) && PyString_Size(o) == 1) {
1350 *dst = PyString_AsString(o)[0];
1354 return failmsg("Expected single character string for argument '%s'", name);
1358 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1360 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1361 (*dst) = (((cvmemstorage_t*)o)->a);
1364 (*dst) = (CvMemStorage*)NULL;
1365 return failmsg("Expected CvMemStorage for argument '%s'", name);
1369 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1371 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1372 (*dst) = (((cvseq_t*)o)->a);
1375 (*dst) = (CvSeq*)NULL;
1376 return failmsg("Expected CvSeq for argument '%s'", name);
1380 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1382 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1383 return failmsg("CvSize argument '%s' expects two integers", name);
1388 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1390 if (PySequence_Check(o)) {
1391 PyObject *fi = PySequence_Fast(o, name);
1394 if (4 < PySequence_Fast_GET_SIZE(fi))
1395 return failmsg("CvScalar value for argument '%s' is longer than 4", name);
1396 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1397 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1398 if (PyFloat_Check(item) || PyInt_Check(item)) {
1399 s->val[i] = PyFloat_AsDouble(item);
1401 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1406 if (PyFloat_Check(o) || PyInt_Check(o)) {
1407 s->val[0] = PyFloat_AsDouble(o);
1409 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1415 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1417 if (!PySequence_Check(o))
1418 return failmsg("Expected sequence for point list argument '%s'", name);
1419 PyObject *fi = PySequence_Fast(o, name);
1422 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1423 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1424 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1425 if (!PyTuple_Check(item))
1426 return failmsg("Expected tuple for element in point list argument '%s'", name);
1427 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1435 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1437 PyObject *fi = PySequence_Fast(o, name);
1440 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1441 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1442 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1443 if (!PyTuple_Check(item))
1444 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1445 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1454 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1456 PyObject *fi = PySequence_Fast(o, name);
1459 *p = new CvPoint3D32f[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 CvPoint3D32f argument '%s'", name);
1464 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1473 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1475 if (!PyArg_ParseTuple(o,
1478 &dst->responseThreshold,
1479 &dst->lineThresholdProjected,
1480 &dst->lineThresholdBinarized,
1481 &dst->suppressNonmaxSize))
1482 return failmsg("CvRect argument '%s' expects four integers", name);
1487 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1489 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1490 return failmsg("CvRect argument '%s' expects four integers", name);
1495 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1498 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1499 return failmsg("CvRect argument '%s' expects four integers", name);
1504 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1506 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1507 return failmsg("CvSlice argument '%s' expects two integers", name);
1512 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1514 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1515 return failmsg("CvPoint argument '%s' expects two integers", name);
1520 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1522 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1523 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1528 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1530 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1531 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1536 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1538 iplimage_t *ipl = (iplimage_t*)o;
1540 Py_ssize_t buffer_len;
1542 if (!is_iplimage(o)) {
1543 return failmsg("Argument '%s' must be IplImage", name);
1544 } else if (PyString_Check(ipl->data)) {
1545 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1546 assert(cvGetErrStatus() == 0);
1549 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1550 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1551 assert(cvGetErrStatus() == 0);
1555 return failmsg("IplImage argument '%s' has no data", name);
1559 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1561 cvmat_t *m = (cvmat_t*)o;
1563 Py_ssize_t buffer_len;
1566 return failmsg("Argument '%s' must be CvMat", name);
1568 m->a->refcount = NULL;
1569 if (m->data && PyString_Check(m->data)) {
1570 assert(cvGetErrStatus() == 0);
1571 char *ptr = PyString_AsString(m->data) + m->offset;
1572 cvSetData(m->a, ptr, m->a->step);
1573 assert(cvGetErrStatus() == 0);
1576 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1577 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1578 assert(cvGetErrStatus() == 0);
1582 return failmsg("CvMat argument '%s' has no data", name);
1587 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1589 cvmatnd_t *m = (cvmatnd_t*)o;
1591 Py_ssize_t buffer_len;
1593 if (!is_cvmatnd(o)) {
1594 return failmsg("Argument '%s' must be CvMatND", name);
1595 } else if (m->data && PyString_Check(m->data)) {
1596 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1599 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1600 m->a->data.ptr = ((uchar*)buffer + m->offset);
1604 return failmsg("CvMatND argument '%s' has no data", name);
1608 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1613 } else if (is_iplimage(o)) {
1614 return convert_to_IplImage(o, (IplImage**)dst, name);
1615 } else if (is_cvmat(o)) {
1616 return convert_to_CvMat(o, (CvMat**)dst, name);
1617 } else if (is_cvmatnd(o)) {
1618 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1620 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1624 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1626 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1627 cvhistogram_t *ht = (cvhistogram_t*)o;
1629 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1631 *dst = (CvHistogram *)NULL;
1632 return failmsg("Expected CvHistogram for argument '%s'", name);
1636 // Used by FillPoly, FillConvexPoly, PolyLine
1637 struct pts_npts_contours {
1643 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1645 PyObject *fi = PySequence_Fast(o, name);
1648 dst->contours = PySequence_Fast_GET_SIZE(fi);
1649 dst->pts = new CvPoint*[dst->contours];
1650 dst->npts = new int[dst->contours];
1651 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1652 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1654 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1667 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1669 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1670 return convert_to_CvSeq(o, &(dst->seq), name);
1671 } else if (PySequence_Check(o)) {
1672 PyObject *fi = PySequence_Fast(o, name);
1675 Py_ssize_t size = -1;
1676 // Make a pass through the sequence, checking that each element is
1677 // a sequence and that they are all the same size
1678 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1679 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1681 if (!PySequence_Check(e))
1682 return failmsg("Sequence '%s' must contain sequences", name);
1684 size = (int)PySequence_Size(e);
1685 else if (size != PySequence_Size(e))
1686 return failmsg("All elements of sequence '%s' must be same size", name);
1689 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1690 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1691 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1692 PyObject *fe = PySequence_Fast(e, name);
1694 int *pdst = (int*)cvPtr2D(mt, i, 0);
1695 for (Py_ssize_t j = 0; j < size; j++) {
1696 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1704 return convert_to_CvArr(o, &(dst->mat), name);
1708 struct cvarr_count {
1713 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1715 PyObject *fi = PySequence_Fast(o, name);
1718 dst->count = PySequence_Fast_GET_SIZE(fi);
1719 dst->cvarr = new CvArr*[dst->count];
1720 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1721 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1734 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1736 PyObject *fi = PySequence_Fast(o, name);
1739 dst->count = PySequence_Fast_GET_SIZE(fi);
1740 dst->pairs = new int[2 * dst->count];
1741 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1742 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1743 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1751 struct cvpoint2d32f_count {
1752 CvPoint2D32f* points;
1756 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1758 if (PyInt_Check(o)) {
1759 dst->count = PyInt_AsLong(o);
1760 dst->points = new CvPoint2D32f[dst->count];
1763 return failmsg("Expected integer for CvPoint2D32f count");
1771 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1773 PyObject *fi = PySequence_Fast(o, name);
1776 dst->count = PySequence_Fast_GET_SIZE(fi);
1777 dst->f = new float[dst->count];
1778 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1779 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1780 dst->f[i] = (float)PyFloat_AsDouble(item);
1790 /// convert_to_chars not used
1796 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1798 PyObject *fi = PySequence_Fast(o, name);
1801 dst->count = PySequence_Fast_GET_SIZE(fi);
1802 dst->p = new CvPoint[dst->count];
1803 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1804 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1805 convert_to_CvPoint(item, &dst->p[i], name);
1811 struct CvPoint3D32fs {
1815 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1817 PyObject *fi = PySequence_Fast(o, name);
1820 dst->count = PySequence_Fast_GET_SIZE(fi);
1821 dst->p = new CvPoint3D32f[dst->count];
1822 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1823 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1824 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1830 struct CvPoint2D32fs {
1834 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1836 PyObject *fi = PySequence_Fast(o, name);
1839 dst->count = PySequence_Fast_GET_SIZE(fi);
1840 dst->p = new CvPoint2D32f[dst->count];
1841 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1842 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1843 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1853 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1855 PyObject *fi = PySequence_Fast(o, name);
1858 dst->count = PySequence_Fast_GET_SIZE(fi);
1859 dst->i = new int[dst->count];
1860 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1861 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1862 dst->i[i] = PyInt_AsLong(item);
1872 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1874 PyObject *fi = PySequence_Fast(o, name);
1877 dst->count = PySequence_Fast_GET_SIZE(fi);
1878 dst->i = new int[dst->count + 1];
1879 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1880 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1881 dst->i[i] = PyInt_AsLong(item);
1883 dst->i[dst->count] = 0;
1892 int step[CV_MAX_DIM];
1893 int length[CV_MAX_DIM];
1896 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1898 if (PySlice_Check(item)) {
1899 Py_ssize_t start, stop, step, slicelength;
1900 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1902 dst->step[i] = step;
1903 dst->length[i] = slicelength;
1905 int index = PyInt_AsLong(item);
1909 dst->i[i] = cvGetDimSize(cva, i) + index;
1916 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1918 if (!PyTuple_Check(o)) {
1920 return convert_to_dim(o, 0, dst, cva, name);
1922 PyObject *fi = PySequence_Fast(o, name);
1924 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1927 dst->count = PySequence_Fast_GET_SIZE(fi);
1928 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1929 if (i >= cvGetDims(cva)) {
1930 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1932 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1933 if (!convert_to_dim(item, i, dst, cva, name))
1945 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1947 PyObject *fi = PySequence_Fast(o, name);
1950 dst->count = PySequence_Fast_GET_SIZE(fi);
1951 dst->ims = new IplImage*[dst->count];
1952 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1953 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1954 if (!convert_to_IplImage(item, &dst->ims[i]))
1965 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
1967 PyObject *fi = PySequence_Fast(o, name);
1970 dst->count = PySequence_Fast_GET_SIZE(fi);
1971 dst->ims = new CvArr*[dst->count];
1972 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1973 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1974 if (!convert_to_CvArr(item, &dst->ims[i]))
1981 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
1983 PyObject *fi = PySequence_Fast(o, name);
1986 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
1987 float **r = new float*[sz];
1988 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1989 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1991 if (!convert_to_floats(item, &ff))
1999 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
2001 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
2002 (*dst) = &(((cvmoments_t*)o)->a);
2005 (*dst) = (CvMoments*)NULL;
2006 return failmsg("Expected CvMoments for argument '%s'", name);
2010 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
2012 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
2013 (*dst) = &(((cvfont_t*)o)->a);
2016 (*dst) = (CvFont*)NULL;
2017 return failmsg("Expected CvFont for argument '%s'", name);
2021 static int convert_to_CvHaarClassifierCascadePTR(PyObject *o, CvHaarClassifierCascade** dst, const char *name = "no_name")
2023 if (PyType_IsSubtype(o->ob_type, &cvhaarclassifiercascade_Type)) {
2024 (*dst) = ((cvhaarclassifiercascade_t*)o)->a;
2027 (*dst) = (CvHaarClassifierCascade*)NULL;
2028 return failmsg("Expected CvHaarClassifierCascade for argument '%s'", name);
2032 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
2034 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
2035 (*dst) = ((cvcontourtree_t*)o)->a;
2039 return failmsg("Expected CvContourTree for argument '%s'", name);
2043 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
2045 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
2046 (*dst) = &(((cvrng_t*)o)->a);
2049 (*dst) = (CvRNG*)NULL;
2050 return failmsg("Expected CvRNG for argument '%s'", name);
2054 typedef void* generic;
2055 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
2057 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
2058 return convert_to_IplImage(o, (IplImage**)dst, name);
2059 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
2060 return convert_to_CvMat(o, (CvMat**)dst, name);
2061 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
2062 return convert_to_CvMatND(o, (CvMatND**)dst, name);
2064 return failmsg("Cannot identify type of '%s'", name);
2068 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
2070 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
2075 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
2077 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
2082 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
2084 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
2085 (*dst) = (((cvsubdiv2d_t*)o)->a);
2088 (*dst) = (CvSubdiv2D*)NULL;
2089 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
2093 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
2095 if (!PyInt_Check(o)) {
2096 *dst = (CvNextEdgeType)NULL;
2097 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
2099 *dst = (CvNextEdgeType)PyInt_AsLong(o);
2104 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
2106 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
2107 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2111 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2115 /************************************************************************/
2117 static PyObject *pythonize_CvMat(cvmat_t *m)
2119 // Need to make this CvMat look like any other, with a Python
2120 // buffer object as its data.
2121 // So copy the image data into a Python string object, then release
2124 assert(mat->step != 0);
2126 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2128 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2129 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2130 o->ptr = mat->refcount;
2131 o->size = gap + mat->rows * mat->step;
2132 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2140 // Now m has a reference to data, which has a reference to o.
2142 return (PyObject*)m;
2145 static PyObject *pythonize_IplImage(iplimage_t *cva)
2147 // Need to make this iplimage look like any other, with a Python
2148 // string as its data.
2149 // So copy the image data into a Python string object, then release
2152 IplImage *ipl = (IplImage*)(cva->a);
2153 // PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2155 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2156 assert(ipl->imageDataOrigin == ipl->imageData);
2157 o->ptr = ipl->imageDataOrigin;
2158 o->size = ipl->height * ipl->widthStep;
2159 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2166 return (PyObject*)cva;
2169 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2172 // Need to make this CvMatND look like any other, with a Python
2173 // string as its data.
2174 // So copy the image data into a Python string object, then release
2178 CvMatND *mat = m->a;
2179 assert(mat->dim[0].step != 0);
2181 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2183 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2184 o->ptr = cvPtr1D(mat, 0);
2185 o->size = cvmatnd_size(mat);
2186 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2192 // cvDecRefData(mat); // Ref count should be zero here, so this is a release
2194 return (PyObject*)m;
2197 /************************************************************************/
2198 /* FROM_xxx: C -> Python converters.
2200 * Turn various OpenCV types (and some aggregate types above)
2201 * into Python objects. Used by the generated code.
2203 * All these functions and macros return a new reference.
2206 #define FROM_double(r) PyFloat_FromDouble(r)
2207 #define FROM_float(r) PyFloat_FromDouble(r)
2208 #define FROM_int(r) PyInt_FromLong(r)
2209 #define FROM_int64(r) PyLong_FromLongLong(r)
2210 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
2211 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
2212 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
2213 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
2214 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", r.area, FROM_CvScalar(r.value), FROM_CvRect(r.rect))
2215 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
2216 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
2217 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
2218 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
2219 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
2220 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
2222 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2224 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2226 ps->container = storage;
2227 Py_INCREF(ps->container);
2228 return (PyObject*)ps;
2231 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2233 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2235 ps->container = storage;
2236 Py_INCREF(ps->container);
2237 return (PyObject*)ps;
2240 static PyObject *FROM_floats(floats r)
2244 pr = PyList_New(r.count);
2245 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2246 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2251 static PyObject *FROM_chars(chars r)
2255 pr = PyList_New(r.count);
2256 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2257 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2262 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2266 pr = PyList_New(r.count);
2267 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2268 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2273 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2277 pr = PyList_New(r.count);
2278 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2279 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2284 typedef CvSeq CvSeqOfCvConvexityDefect;
2285 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2288 pr = PyList_New(r->total);
2289 for (int i = 0; i < r->total; i++) {
2290 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2291 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2292 pd->start->x, pd->start->y,
2293 pd->end->x, pd->end->y,
2294 pd->depth_point->x, pd->depth_point->y,
2297 // This function has copied the CvSeq data into a list. Hence the
2298 // CvSeq is not being returned to the caller. Hence, no reference
2299 // count increase for the storage, unlike _FROM_CvSeqPTR.
2303 typedef CvSeq CvSeqOfCvAvgComp;
2304 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2307 pr = PyList_New(r->total);
2308 for (int i = 0; i < r->total; i++) {
2309 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2310 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2311 pd->rect.x, pd->rect.y,
2312 pd->rect.width, pd->rect.height,
2315 // This function has copied the CvSeq data into a list. Hence the
2316 // CvSeq is not being returned to the caller. Hence, no reference
2317 // count increase for the storage, unlike _FROM_CvSeqPTR.
2321 typedef CvSeq CvSeqOfCvStarKeypoint;
2322 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2325 pr = PyList_New(r->total);
2326 for (int i = 0; i < r->total; i++) {
2327 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2328 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2333 // This function has copied the CvSeq data into a list. Hence the
2334 // CvSeq is not being returned to the caller. Hence, no reference
2335 // count increase for the storage, unlike _FROM_CvSeqPTR.
2339 typedef CvSeq CvSeqOfCvSURFPoint;
2340 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2343 pr = PyList_New(r->total);
2344 for (int i = 0; i < r->total; i++) {
2345 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2346 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2353 // This function has copied the CvSeq data into a list. Hence the
2354 // CvSeq is not being returned to the caller. Hence, no reference
2355 // count increase for the storage, unlike _FROM_CvSeqPTR.
2359 typedef CvSeq CvSeqOfCvSURFDescriptor;
2360 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2363 pr = PyList_New(r->total);
2364 for (int i = 0; i < r->total; i++) {
2365 float *pd = (float*)cvGetSeqElem(r, i);
2366 int count = r->elem_size / sizeof(float);
2367 PyObject *oi = PyList_New(count);
2368 for (int j = 0; j < count; j++) {
2369 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2371 PyList_SetItem(pr, i, oi);
2373 // This function has copied the CvSeq data into a list. Hence the
2374 // CvSeq is not being returned to the caller. Hence, no reference
2375 // count increase for the storage, unlike _FROM_CvSeqPTR.
2379 typedef CvPoint2D32f CvPoint2D32f_4[4];
2380 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2382 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2389 typedef float CvMatr32f_i[9];
2391 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2393 return Py_BuildValue("(fff)(fff)(fff)",
2399 typedef float CvVect32f_i[3];
2400 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2402 return Py_BuildValue("fff",
2406 static PyObject *FROM_CvFont(CvFont r)
2408 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2410 return (PyObject*)cf;
2413 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2416 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2418 return (PyObject*)cf;
2425 static PyObject *FROM_IplImagePTR(IplImage *r)
2427 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2429 return pythonize_IplImage(cva);
2432 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2435 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2436 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2438 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2440 return (PyObject*)cva;
2446 static PyObject *FROM_CvMatPTR(CvMat *r)
2448 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2451 return pythonize_CvMat(cvm);
2454 static PyObject *FROM_CvMat(CvMat *r)
2456 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2458 return pythonize_CvMat(m);
2461 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2463 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2465 return pythonize_CvMatND(m);
2468 static PyObject *FROM_CvRNG(CvRNG r)
2470 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2472 return (PyObject*)m;
2475 static PyObject *FROM_CvHaarClassifierCascade(CvHaarClassifierCascade *r)
2477 cvhaarclassifiercascade_t *m = PyObject_NEW(cvhaarclassifiercascade_t, &cvhaarclassifiercascade_Type);
2479 return (PyObject*)m;
2482 static PyObject *FROM_CvMoments(CvMoments r)
2484 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2486 return (PyObject*)m;
2489 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2491 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2493 return (PyObject*)m;
2496 static PyObject *FROM_generic(generic r)
2498 CvTypeInfo* t = cvTypeOf(r);
2500 failmsg("OpenCV returned NULL");
2502 } if (strcmp(t->type_name, "opencv-image") == 0)
2503 return FROM_IplImagePTR((IplImage*)r);
2504 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2505 return FROM_CvMat((CvMat*)r);
2506 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2507 return FROM_CvHaarClassifierCascade((CvHaarClassifierCascade*)r);
2509 failmsg("Unknown OpenCV type '%s'", t->type_name);
2514 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2516 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2518 m->container = Py_None; // XXX
2519 Py_INCREF(m->container);
2520 return (PyObject*)m;
2523 /************************************************************************/
2525 /* A few functions are too odd to be generated,
2526 * so are handwritten here */
2528 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2532 const char *keywords[] = { "delay", NULL };
2533 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2536 Py_BEGIN_ALLOW_THREADS
2537 r = cvWaitKey(delay);
2538 Py_END_ALLOW_THREADS
2542 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2544 const char *keywords[] = { "filename", "iscolor", NULL };
2546 int iscolor = CV_LOAD_IMAGE_COLOR;
2548 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2551 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2552 // So make a local copy 'filename_copy'.
2553 char filename_copy[2048];
2554 strncpy(filename_copy, filename, sizeof(filename_copy));
2557 Py_BEGIN_ALLOW_THREADS
2558 r = cvLoadImage(filename_copy, iscolor);
2559 Py_END_ALLOW_THREADS
2562 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2565 return FROM_IplImagePTR(r);
2569 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2571 int w, h, depth, channels;
2572 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2574 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2575 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2576 if (cva->a == NULL) {
2577 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2580 cva->data = Py_None;
2581 Py_INCREF(cva->data);
2584 return (PyObject*)cva;
2588 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2590 int w, h, depth, channels;
2591 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2593 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2594 ERRWRAP(cva->a = cvCreateImage(cvSize(w, h), depth, channels));
2595 if (cva->a == NULL) {
2596 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2599 return pythonize_IplImage(cva);
2603 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2605 int rows, cols, type;
2606 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2608 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2609 ERRWRAP(m->a = cvCreateMatHeader(rows, cols, type));
2611 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2617 return (PyObject*)m;
2621 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2623 int rows, cols, type;
2624 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2626 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2627 ERRWRAP(m->a = cvCreateMat(rows, cols, type));
2629 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2632 return pythonize_CvMat(m);
2636 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2641 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2643 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2644 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2648 return (PyObject*)m;
2652 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2657 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2659 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2660 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2661 return pythonize_CvMatND(m);
2664 #if PYTHON_USE_NUMPY
2665 static PyObject *pycvfromarray(PyObject *self, PyObject *args)
2668 if (!PyArg_ParseTuple(args, "O", &o)) {
2672 PyObject *ao = PyObject_GetAttrString(o, "__array_struct__");
2673 if ((ao == NULL) || !PyCObject_Check(ao)) {
2674 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2677 PyArrayInterface *pai = (PyArrayInterface*)PyCObject_AsVoidPtr(ao);
2678 if (pai->two != 2) {
2679 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2683 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2686 switch (pai->typekind) {
2688 if (pai->itemsize == 1)
2690 else if (pai->itemsize == 2)
2692 else if (pai->itemsize == 4)
2697 if (pai->itemsize == 1)
2699 else if (pai->itemsize == 2)
2704 if (pai->itemsize == 4)
2706 else if (pai->itemsize == 8)
2710 int dims[CV_MAX_DIM];
2712 for (i = 0; i < pai->nd; i++)
2713 dims[i] = pai->shape[i];
2714 ERRWRAP(m->a = cvCreateMatND(pai->nd, dims, type));
2715 m->a->data.ptr = (uchar*)pai->data;
2716 return pythonize_CvMatND(m);
2720 static PyObject *pycvCreateHist(PyObject *self, PyObject *args)
2724 float **ranges = NULL;
2727 if (!PyArg_ParseTuple(args, "Oi|O&i", &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2730 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2731 args = Py_BuildValue("Oi", dims, CV_32FC1);
2732 h->bins = pycvCreateMatND(self, args);
2734 if (h->bins == NULL) {
2737 h->h.type = CV_HIST_MAGIC_VAL;
2738 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2741 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2743 return (PyObject*)h;
2746 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args)
2751 int connectivity = 8;
2752 int left_to_right = 0;
2754 if (!PyArg_ParseTuple(args, "O&O&O&|ii",
2755 convert_to_CvArr, &image,
2756 convert_to_CvPoint, &pt1,
2757 convert_to_CvPoint, &pt2,
2762 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2763 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2764 ERRWRAP(pi->type = cvGetElemType(image));
2765 return (PyObject*)pi;
2768 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2771 if (!PyArg_ParseTuple(args, "|i", &block_size))
2773 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2774 pm->a = cvCreateMemStorage(block_size);
2775 return (PyObject*)pm;
2778 // single index: return row
2779 // 2 indices: row, column
2780 // both row and column can be slices. column slice must have a step of 1.
2782 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2784 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2789 if (!convert_to_CvArr(o, &cva, "src"))
2792 if (!convert_to_dims(key, &dd, cva, "key")) {
2796 // Figure out if all supplied indices have a stride of zero - means they are not slices
2797 // and if all indices are positive
2799 for (int i = 0; i < dd.count; i++) {
2800 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2803 // if every dimension supplied, and none are slices, return the scalar
2804 if ((cvGetDims(cva) == dd.count) && all0) {
2806 ERRWRAP(s = cvGetND(cva, dd.i));
2807 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2809 // pad missing dimensions
2810 for (int i = dd.count; i < cvGetDims(cva); i++) {
2813 dd.length[i] = cvGetDimSize(cva, i);
2815 dd.count = cvGetDims(cva);
2817 // negative steps are illegal for OpenCV
2818 for (int i = 0; i < dd.count; i++) {
2820 return (PyObject*)failmsg("Negative step is illegal");
2823 // zero length illegal for OpenCV
2824 for (int i = 0; i < dd.count; i++) {
2825 if (dd.length[i] == 0)
2826 return (PyObject*)failmsg("Zero sized dimension is illegal");
2829 // column step can only be 0 or 1
2830 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2831 return (PyObject*)failmsg("Column step is illegal");
2833 if (is_cvmat(o) || is_iplimage(o)) {
2834 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2835 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2836 uchar *old0; // pointer to first element in old mat
2838 cvGetRawData(cva, &old0, &oldstep);
2839 uchar *new0; // pointer to first element in new mat
2840 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2842 sub->a->step = oldstep * dd.step[0];
2843 sub->data = what_data(o);
2844 Py_INCREF(sub->data);
2845 sub->offset = new0 - old0;
2846 return (PyObject*)sub;
2848 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2849 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2850 uchar *old0; // pointer to first element in old mat
2851 cvGetRawData(cva, &old0);
2852 uchar *new0; // pointer to first element in new mat
2853 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2855 for (int d = 0; d < dd.count; d++) {
2856 int stp = dd.step[d];
2857 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2858 sub->a->dim[d].size = dd.length[d];
2860 sub->data = what_data(o);
2861 Py_INCREF(sub->data);
2862 sub->offset = new0 - old0;
2863 return (PyObject*)sub;
2868 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2873 if (!convert_to_CvArr(o, &cva, "src"))
2876 if (!convert_to_dims(key, &dd, cva, "key")) {
2880 if (cvGetDims(cva) != dd.count) {
2881 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2886 if (PySequence_Check(v)) {
2887 PyObject *fi = PySequence_Fast(v, "v");
2890 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
2891 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
2894 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
2895 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
2898 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
2899 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
2902 s.val[0] = PyFloat_AsDouble(v);
2906 cvSet1D(cva, dd.i[0], s);
2909 cvSet2D(cva, dd.i[0], dd.i[1], s);
2912 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
2915 cvSetND(cva, dd.i, s);
2916 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
2919 if (cvGetErrStatus() != 0) {
2920 translate_error_to_exception();
2928 static PyObject *pycvSetData(PyObject *self, PyObject *args)
2933 if (!PyArg_ParseTuple(args, "OOi", &o, &s, &step))
2935 if (is_iplimage(o)) {
2936 iplimage_t *ipl = (iplimage_t*)o;
2937 ipl->a->widthStep = step;
2938 Py_DECREF(ipl->data);
2940 Py_INCREF(ipl->data);
2941 } else if (is_cvmat(o)) {
2942 cvmat_t *m = (cvmat_t*)o;
2947 } else if (is_cvmatnd(o)) {
2948 cvmatnd_t *m = (cvmatnd_t*)o;
2953 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
2960 static PyObject *what_data(PyObject *o)
2962 if (is_iplimage(o)) {
2963 iplimage_t *ipl = (iplimage_t*)o;
2965 } else if (is_cvmat(o)) {
2966 cvmat_t *m = (cvmat_t*)o;
2968 } else if (is_cvmatnd(o)) {
2969 cvmatnd_t *m = (cvmatnd_t*)o;
2977 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
2981 if (!PyArg_ParseTuple(args, "O", &o))
2985 if (!convert_to_CvArr(o, &a, "arr"))
2987 ERRWRAP(cvCreateData(a));
2989 Py_DECREF(what_data(o));
2990 if (is_iplimage(o)) {
2991 iplimage_t *ipl = (iplimage_t*)o;
2992 pythonize_IplImage(ipl);
2993 } else if (is_cvmat(o)) {
2994 cvmat_t *m = (cvmat_t*)o;
2996 } else if (is_cvmatnd(o)) {
2997 cvmatnd_t *m = (cvmatnd_t*)o;
2998 pythonize_CvMatND(m);
3000 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
3007 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
3011 if (!PyArg_ParseTuple(args, "O", &o))
3014 if (!convert_to_CvArr(o, &cva, "src"))
3018 ERRWRAP(nd = cvGetDims(cva));
3019 PyObject *r = PyTuple_New(nd);
3020 for (i = 0; i < nd; i++)
3021 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
3025 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
3029 if (!PyArg_ParseTuple(args, "O", &o))
3031 if (is_iplimage(o)) {
3035 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
3037 if (!convert_to_CvArr(o, &cva, "src"))
3039 ERRWRAP(cvGetImage(cva, ipl));
3041 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
3043 oipl->data = what_data(o);
3044 Py_INCREF(oipl->data);
3047 r = (PyObject*)oipl;
3052 static PyObject *pycvGetMat(PyObject *self, PyObject *args, PyObject *kw)
3054 const char *keywords[] = { "arr", "allowND", NULL };
3058 if (!PyArg_ParseTupleAndKeywords(args, kw, "O|i", (char**)keywords, &o, &allowND))
3064 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3066 if (!convert_to_CvArr(o, &cva, "src"))
3068 ERRWRAP(cvGetMat(cva, m, NULL, allowND));
3070 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3072 om->data = what_data(o);
3073 Py_INCREF(om->data);
3081 static PyObject *pycvReshape(PyObject *self, PyObject *args)
3087 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
3090 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3092 if (!convert_to_CvArr(o, &cva, "src"))
3094 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
3096 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3098 om->data = what_data(o);
3099 Py_INCREF(om->data);
3102 return (PyObject*)om;
3105 static PyObject *pycvReshapeMatND(PyObject *self, PyObject *args)
3111 if (!PyArg_ParseTuple(args, "OiO", &o, &new_cn, &new_dims))
3115 if (!convert_to_CvMatND(o, &cva, "src"))
3118 if (!convert_to_ints(new_dims, &dims, "new_dims"))
3122 int dummy[1] = { 1 };
3123 CvMatND *m = cvCreateMatNDHeader(1, dummy, 1); // these args do not matter, because overwritten
3124 ERRWRAP(cvReshapeND(cva, m, new_cn, dims.count + 1, dims.i));
3126 cvmatnd_t *om = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
3128 om->data = what_data(o);
3129 Py_INCREF(om->data);
3131 return (PyObject*)om;
3134 CvMat *m = cvCreateMatHeader(100, 100, 1); // these args do not matter, because overwritten
3135 ERRWRAP(cvReshapeND(cva, m, 0, 1, 0)); // new_cn, dims.count + 1, dims.i));
3137 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3139 om->data = what_data(o);
3140 Py_INCREF(om->data);
3142 return (PyObject*)om;
3146 int size[] = { 2, 2, 2 };
3147 CvMatND* mat = cvCreateMatND(3, size, CV_32F);
3150 row = cvReshapeND(mat, &row_header, 0, 1, 0);
3156 static void OnMouse(int event, int x, int y, int flags, void* param)
3158 PyGILState_STATE gstate;
3159 gstate = PyGILState_Ensure();
3161 PyObject *o = (PyObject*)param;
3162 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
3164 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3170 PyGILState_Release(gstate);
3173 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
3175 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
3178 PyObject *param = NULL;
3180 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
3182 if (!PyCallable_Check(on_mouse)) {
3183 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
3186 if (param == NULL) {
3189 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
3193 void OnChange(int pos, void *param)
3195 PyGILState_STATE gstate;
3196 gstate = PyGILState_Ensure();
3198 PyObject *o = (PyObject*)param;
3199 PyObject *args = Py_BuildValue("(i)", pos);
3200 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3204 PyGILState_Release(gstate);
3207 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args, PyObject *kw)
3209 const char *keywords[] = { "trackbar_name", "window_name", "value", "count", "on_change", NULL };
3210 PyObject *on_change;
3211 char* trackbar_name;
3213 int *value = new int;
3216 if (!PyArg_ParseTupleAndKeywords(args, kw, "ssiiO", (char**)keywords, &trackbar_name, &window_name, value, &count, &on_change))
3218 if (!PyCallable_Check(on_change)) {
3219 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3222 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3226 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3229 PyObject *pyobj_image = NULL;
3230 CvMemStorage* storage;
3231 PyObject *pyobj_storage = NULL;
3232 CvSeq* first_contour;
3233 int header_size = sizeof(CvContour);
3234 int mode = CV_RETR_LIST;
3235 int method = CV_CHAIN_APPROX_SIMPLE;
3236 CvPoint offset = cvPoint(0,0);
3237 PyObject *pyobj_offset = NULL;
3239 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3240 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3242 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3243 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3244 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3245 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3246 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3247 ps->a = first_contour;
3248 ps->container = PyTuple_GetItem(args, 1); // storage
3249 Py_INCREF(ps->container);
3250 return (PyObject*)ps;
3253 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3256 PyObject *pyobj_src_seq = NULL;
3257 int header_size = sizeof(CvContour);
3258 CvMemStorage* storage;
3259 PyObject *pyobj_storage = NULL;
3261 double parameter = 0;
3264 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3265 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3267 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3268 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3270 ERRWRAP(r = cvApproxPoly(src_seq.mat, header_size, storage, method, parameter, parameter2));
3271 return FROM_CvSeqPTR(r);
3274 static float distance_function_glue( const float* a, const float* b, void* user_param )
3276 PyObject *o = (PyObject*)user_param;
3277 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3278 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3280 return (float)PyFloat_AsDouble(r);
3283 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3285 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3287 PyObject *pyobj_signature1;
3289 PyObject *pyobj_signature2;
3291 PyObject *distance_func = NULL;
3292 CvArr* cost_matrix=NULL;
3293 PyObject *pyobj_cost_matrix = NULL;
3295 PyObject *pyobj_flow = NULL;
3296 float lower_bound = 0.0;
3297 PyObject *userdata = NULL;
3299 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3309 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3310 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3311 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3312 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3314 if (distance_func == NULL) {
3315 distance_func = Py_None;
3317 if (userdata == NULL) {
3321 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3323 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3326 return PyFloat_FromDouble(r);
3329 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3331 PyObject *pyobj_subdiv;
3335 CvSubdiv2DEdge edge;
3336 CvSubdiv2DPoint* vertex;
3338 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3340 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3342 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3345 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3348 case CV_PTLOC_INSIDE:
3349 case CV_PTLOC_ON_EDGE:
3350 r = FROM_CvSubdiv2DEdge(edge);
3352 case CV_PTLOC_VERTEX:
3353 r = FROM_CvSubdiv2DPointPTR(vertex);
3355 case CV_PTLOC_OUTSIDE_RECT:
3360 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3362 return Py_BuildValue("iO", (int)loc, r);;
3365 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3368 PyObject *pyobj_prev = NULL;
3370 PyObject *pyobj_curr = NULL;
3372 PyObject *pyobj_prev_pyr = NULL;
3374 PyObject *pyobj_curr_pyr = NULL;
3375 CvPoint2D32f* prev_features;
3376 PyObject *pyobj_prev_features = NULL;
3377 PyObject *pyobj_curr_features = NULL;
3378 CvPoint2D32f* curr_features;
3381 CvTermCriteria criteria;
3384 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3385 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3386 &pyobj_prev_features,
3387 &win_size.width, &win_size.height, &level,
3388 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3390 &pyobj_curr_features))
3392 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3393 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3394 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3395 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3396 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3397 int count = (int)PySequence_Length(pyobj_prev_features);
3398 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3399 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3402 if (!pyobj_curr_features) {
3403 curr_features = new CvPoint2D32f[count];
3405 if (PySequence_Length(pyobj_curr_features) != count) {
3406 failmsg("curr_features must have same length as prev_features");
3409 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3410 flags |= CV_LKFLOW_INITIAL_GUESSES;
3412 float *track_error = new float[count];
3413 char* status = new char[count];
3414 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3416 cvpoint2d32f_count r0;
3417 r0.points = curr_features;
3428 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3431 static PyObject *pycvClipLine(PyObject *self, PyObject *args, PyObject *kw)
3434 PyObject *pyobj_img_size = NULL;
3436 PyObject *pyobj_pt1 = NULL;
3438 PyObject *pyobj_pt2 = NULL;
3440 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3442 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3443 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3444 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3446 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3450 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3454 static PyObject *temp_test(PyObject *self, PyObject *args)
3457 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3458 printf("im=%p\n", im);
3459 CvMat *m = cvEncodeImage(".jpeg", im);
3462 CvArr *im = cvLoadImage("lena.jpg", 0);
3463 float r0[] = { 0, 255 };
3464 float *ranges[] = { r0 };
3465 int hist_size[] = { 256 };
3466 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3467 cvCalcHist(im, hist, 0, 0);
3471 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3472 CvMat row_header, *row;
3473 row = cvReshape( mat, &row_header, 0, 1 );
3474 printf("%d,%d\n", row_header.rows, row_header.cols);
3475 printf("ge %08x\n", cvGetElemType(mat));
3479 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3480 printf("CvMat stride ===> %d\n", m->step);
3484 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3485 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3487 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3488 cvGetAffineTransform(src, dst, mapping);
3489 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3493 CvArr *im = cvLoadImage("checker77.png");
3494 CvPoint2D32f corners[49];
3496 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3497 printf("count=%d\n", count);
3500 return PyFloat_FromDouble(0.0);
3503 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3506 PyObject *pyobj_image = NULL;
3507 CvSize pattern_size;
3508 PyObject *pyobj_pattern_size = NULL;
3509 cvpoint2d32f_count corners;
3510 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3512 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3513 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3515 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3516 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3518 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3519 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3520 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3523 // For functions GetSubRect, GetRow, GetCol.
3524 // recipient has a view into donor's data, and needs to share it.
3525 // make recipient use the donor's data, compute the offset,
3526 // and manage reference counts.
3528 static void preShareData(CvArr *donor, CvMat **recipient)
3530 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3533 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3535 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3536 ((cvmat_t*)recipient)->a = precipient;
3537 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3540 if (is_cvmat(donor)) {
3541 arr_data = ((cvmat_t*)donor)->data;
3542 } else if (is_iplimage(donor)) {
3543 arr_data = ((iplimage_t*)donor)->data;
3545 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3547 ((cvmat_t*)recipient)->data = arr_data;
3548 Py_INCREF(arr_data);
3552 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args, PyObject *kw)
3555 PyObject *pyobj_moments = NULL;
3557 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3559 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3561 ERRWRAP(cvGetHuMoments(moments, &r));
3562 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3565 static PyObject *pycvFitLine(PyObject *self, PyObject *args, PyObject *kw)
3568 PyObject *pyobj_points = NULL;
3575 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3577 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3578 ERRWRAP(cvFitLine(points.mat, dist_type, param, reps, aeps, r));
3580 if (strcmp("opencv-matrix", cvTypeOf(points.mat)->type_name) == 0)
3581 dimension = CV_MAT_CN(cvGetElemType(points.mat));
3583 // sequence case... don't think there is a sequence of 3d points,
3588 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3590 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3593 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args, PyObject *kw)
3596 PyObject *pyobj_hist = NULL;
3599 int min_loc[CV_MAX_DIM];
3600 int max_loc[CV_MAX_DIM];
3602 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3604 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3605 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3606 int d = cvGetDims(hist->bins);
3607 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3608 for (int i = 0; i < d; i++) {
3609 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3610 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3612 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3615 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3616 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3617 double hit_threshold=0, double scale=1.05,
3618 int group_threshold=2, CvSize padding=cvSize(0,0),
3619 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3620 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3621 int nbins=9, int gammaCorrection=1 )
3623 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3624 if(win_stride.width == 0 && win_stride.height == 0)
3625 win_stride = block_stride;
3626 cv::Mat img = cv::cvarrToMat(image);
3627 std::vector<cv::Rect> found;
3630 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3631 int sz = m->cols*m->rows;
3632 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3633 std::vector<float> w(sz);
3634 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3635 hog.setSVMDetector(w);
3638 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3639 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3640 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3642 cvSeqPushMulti(seq, &found[0], (int)found.size());
3646 static int zero = 0;
3648 /************************************************************************/
3649 /* Custom Validators */
3651 #define CVPY_VALIDATE_DrawChessboardCorners() do { \
3652 if ((pattern_size.width * pattern_size.height) != corners.count) \
3653 return (PyObject*)failmsg("Size is %dx%d, but corner list is length %d", pattern_size.width, pattern_size.height, corners.count); \
3656 #define cvGetRotationMatrix2D cv2DRotationMatrix
3658 /************************************************************************/
3659 /* Generated functions */
3661 #define constCvMat const CvMat
3662 #define FROM_constCvMatPTR(x) FROM_CvMatPTR((CvMat*)x)
3665 #include "generated0.i"
3667 static PyMethodDef methods[] = {
3669 #if PYTHON_USE_NUMPY
3670 {"fromarray", pycvfromarray, METH_VARARGS, "fromarray(array) -> cvmatnd"},
3673 {"CreateHist", pycvCreateHist, METH_VARARGS, "CreateHist(dims, type, ranges, uniform = 1) -> hist"},
3674 {"CreateImage", pycvCreateImage, METH_VARARGS, "CreateImage(size, depth, channels) -> image"},
3675 {"CreateImageHeader", pycvCreateImageHeader, METH_VARARGS, "CreateImageHeader(size, depth, channels) -> image"},
3676 {"CreateMat", pycvCreateMat, METH_VARARGS, "CreateMat(row, cols, type) -> mat"},
3677 {"CreateMatHeader", pycvCreateMatHeader, METH_VARARGS, "CreateMatHeader(rows, cols, type) -> mat"},
3678 {"CreateMatND", pycvCreateMatND, METH_VARARGS, "CreateMatND(dims, type) -> matnd"},
3679 {"CreateMatNDHeader", pycvCreateMatNDHeader, METH_VARARGS, "CreateMatNDHeader(dims, type) -> matnd"},
3680 {"CreateMemStorage", pycvCreateMemStorage, METH_VARARGS, "CreateMemStorage(block_size) -> memstorage"},
3681 {"FindContours", (PyCFunction)pycvFindContours, METH_KEYWORDS, "FindContours(image, storage, mode=CV_RETR_LIST, method=CV_CHAIN_APPROX_SIMPLE, offset=(0, 0)) -> cvseq"},
3682 {"ApproxPoly", (PyCFunction)pycvApproxPoly, METH_KEYWORDS, "ApproxPoly(src_seq, storage, method, parameter=0, parameter2=0) -> None"},
3683 {"CreateData", pycvCreateData, METH_VARARGS, "CreateData(arr) -> None"},
3684 {"GetDims", pycvGetDims, METH_VARARGS, "GetDims(arr) -> dims"},
3685 {"GetImage", pycvGetImage, METH_VARARGS, "GetImage(cvmat) -> image"},
3686 {"GetMat", (PyCFunction)pycvGetMat, METH_KEYWORDS, "GetMat(image, allowND=0) -> cvmat"},
3687 {"Reshape", pycvReshape, METH_VARARGS, "Reshape(arr, new_cn, new_rows=0) -> cvmat"},
3688 {"ReshapeMatND", pycvReshapeMatND, METH_VARARGS, "Reshape(arr, new_cn, new_dims) -> matnd"},
3689 {"InitLineIterator", pycvInitLineIterator, METH_VARARGS, "InitLineIterator(image, pt1, pt2, connectivity=8, left_to_right=0) -> None"},
3690 {"LoadImage", (PyCFunction)pycvLoadImage, METH_KEYWORDS, "LoadImage(filename, iscolor=CV_LOAD_IMAGE_COLOR)"},
3691 {"SetData", pycvSetData, METH_VARARGS, "SetData(arr, data, step)"},
3692 {"SetMouseCallback", (PyCFunction)pycvSetMouseCallback, METH_KEYWORDS, "SetMouseCallback(window_name, on_mouse, param) -> None"},
3693 {"CreateTrackbar", (PyCFunction)pycvCreateTrackbar, METH_KEYWORDS, "CreateTrackbar(trackbar_name, window_name, value, count, on_change) -> None"},
3694 {"CalcEMD2", (PyCFunction)pycvCalcEMD2, METH_KEYWORDS, "CalcEMD2(signature1, signature2, distance_type, distance_func = None, cost_matrix=None, flow=None, lower_bound=None, userdata = None) -> float"},
3695 {"FindChessboardCorners", (PyCFunction)pycvFindChessboardCorners, METH_KEYWORDS, "FindChessboardCorners(image, pattern_size, flags=CV_CALIB_CB_ADAPTIVE_THRESH) -> success,corners"},
3696 {"FitLine", (PyCFunction)pycvFitLine, METH_KEYWORDS, "FitLine(points, dist_type, param, reps, aeps) -> line"},
3697 {"Subdiv2DLocate", pycvSubdiv2DLocate, METH_VARARGS, "Subdiv2DLocate(subdiv, pt) -> (loc, where)"},
3698 {"CalcOpticalFlowPyrLK", pycvCalcOpticalFlowPyrLK, METH_VARARGS, "CalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, CvSize win_size, int level, criteria, flags, guesses = None) -> (curr_features, status, track_error)"},
3699 {"ClipLine", (PyCFunction)pycvClipLine, METH_KEYWORDS, "ClipLine(img, pt1, pt2) -> (clipped_pt1, clipped_pt2)"},
3700 {"GetHuMoments", (PyCFunction)pycvGetHuMoments, METH_KEYWORDS, "GetHuMoments(cvmoments) -> (h1, h2, h3, h4, h5, h5, h7)"},
3701 {"GetMinMaxHistValue", (PyCFunction)pycvGetMinMaxHistValue, METH_KEYWORDS, "GetMinMaxHistValue(hist) -> min_val,max_val,min_loc,max_loc"},
3702 {"WaitKey", (PyCFunction)pycvWaitKey, METH_KEYWORDS, "WaitKey(delay=0) -> int"},
3703 //{"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"},
3704 //{"_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"},
3705 //{"_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"},
3706 //{"_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"},
3708 {"temp_test", temp_test, METH_VARARGS},
3710 #include "generated1.i"
3715 /************************************************************************/
3718 static int to_ok(PyTypeObject *to)
3720 to->tp_alloc = PyType_GenericAlloc;
3721 to->tp_new = PyType_GenericNew;
3722 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3723 return (PyType_Ready(to) == 0);
3726 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3729 #if defined WIN32 || defined _WIN32
3730 __declspec(dllexport)
3736 cvSetErrMode(CV_ErrModeParent);
3738 MKTYPE(cvcontourtree);
3740 MKTYPE(cvhaarclassifiercascade);
3741 MKTYPE(cvhistogram);
3742 MKTYPE(cvlineiterator);
3745 MKTYPE(cvmemstorage);
3747 MKTYPE(cvsubdiv2dedge);
3752 MKTYPE(cvsubdiv2dpoint);
3756 #include "generated4.i"
3758 m = Py_InitModule(MODULESTR"", methods);
3759 d = PyModule_GetDict(m);
3761 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3762 PyDict_SetItemString(d, "error", opencv_error);
3764 // Couple of warnings about strict aliasing here. Not clear how to fix.
3769 convert.to = &iplimage_Type;
3770 PyDict_SetItemString(d, "iplimage", convert.o);
3771 convert.to = &cvmat_Type;
3772 PyDict_SetItemString(d, "cvmat", convert.o);
3774 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3775 #define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
3777 PUBLISHU(IPL_DEPTH_8U);
3778 PUBLISHU(IPL_DEPTH_8S);
3779 PUBLISHU(IPL_DEPTH_16U);
3780 PUBLISHU(IPL_DEPTH_16S);
3781 PUBLISHU(IPL_DEPTH_32S);
3782 PUBLISHU(IPL_DEPTH_32F);
3783 PUBLISHU(IPL_DEPTH_64F);
3785 PUBLISH(CV_LOAD_IMAGE_COLOR);
3786 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3787 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3788 PUBLISH(CV_HIST_ARRAY);
3789 PUBLISH(CV_HIST_SPARSE);
3825 PUBLISH(CV_NEXT_AROUND_ORG);
3826 PUBLISH(CV_NEXT_AROUND_DST);
3827 PUBLISH(CV_PREV_AROUND_ORG);
3828 PUBLISH(CV_PREV_AROUND_DST);
3829 PUBLISH(CV_NEXT_AROUND_LEFT);
3830 PUBLISH(CV_NEXT_AROUND_RIGHT);
3831 PUBLISH(CV_PREV_AROUND_LEFT);
3832 PUBLISH(CV_PREV_AROUND_RIGHT);
3834 PUBLISH(CV_WINDOW_AUTOSIZE);
3836 PUBLISH(CV_PTLOC_INSIDE);
3837 PUBLISH(CV_PTLOC_ON_EDGE);
3838 PUBLISH(CV_PTLOC_VERTEX);
3839 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3841 #include "generated2.i"
3845 int sizes[] = { 10 } ;
3846 float ranges[] = { 0.0, 1.0 };
3847 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3850 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3851 printf("h->type = %08x\n", h->type);
3852 printf("h->bins = %p\n", h->bins);
3853 printf("h->mat = %p\n", &(h->mat));