5 #include <opencv/cxcore.h>
7 #include <opencv/cvaux.h>
8 #include <opencv/cvwimage.h>
9 #include <opencv/highgui.h>
11 #define MODULESTR "cv"
13 static PyObject *opencv_error;
42 struct cvhistogram_t {
48 struct cvmemstorage_t {
56 PyObject *container; // Containing cvmemstorage_t
62 PyObject *container; // Containing cvmemstorage_t
69 PyObject *container; // Containing cvmemstorage_t
72 struct cvsubdiv2dpoint_t {
75 PyObject *container; // Containing cvmemstorage_t
78 struct cvsubdiv2dedge_t {
81 PyObject *container; // Containing cvmemstorage_t
84 struct cvlineiterator_t {
91 typedef IplImage ROIplImage;
92 typedef const CvMat ROCvMat;
93 typedef PyObject PyCallableObject;
105 struct cvcontourtree_t {
115 static int is_iplimage(PyObject *o);
116 static int is_cvmat(PyObject *o);
117 static int is_cvmatnd(PyObject *o);
118 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name = "no_name");
119 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name = "no_name");
120 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name = "no_name");
121 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name = "no_name");
122 static PyObject *what_data(PyObject *o);
123 static PyObject *FROM_CvMat(CvMat *r);
124 static PyObject *FROM_ROCvMatPTR(ROCvMat *r);
126 #define FROM_double(r) PyFloat_FromDouble(r)
127 #define FROM_float(r) PyFloat_FromDouble(r)
128 #define FROM_int(r) PyInt_FromLong(r)
129 #define FROM_int64(r) PyLong_FromLongLong(r)
130 #define FROM_unsigned(r) PyLong_FromUnsignedLong(r)
131 #define FROM_CvBox2D(r) Py_BuildValue("(ff)(ff)f", r.center.x, r.center.y, r.size.width, r.size.height, r.angle)
132 #define FROM_CvScalar(r) Py_BuildValue("(ffff)", r.val[0], r.val[1], r.val[2], r.val[3])
133 #define FROM_CvPoint(r) Py_BuildValue("(ii)", r.x, r.y)
134 #define FROM_CvPoint2D32f(r) Py_BuildValue("(ff)", r.x, r.y)
135 #define FROM_CvPoint3D64f(r) Py_BuildValue("(fff)", r.x, r.y, r.z)
136 #define FROM_CvSize(r) Py_BuildValue("(ii)", r.width, r.height)
137 #define FROM_CvRect(r) Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height)
138 #define FROM_CvSeqPTR(r) _FROM_CvSeqPTR(r, pyobj_storage)
139 #define FROM_CvSubdiv2DPTR(r) _FROM_CvSubdiv2DPTR(r, pyobj_storage)
140 #define FROM_CvPoint2D64f(r) Py_BuildValue("(ff)", r.x, r.y)
141 #define FROM_CvConnectedComp(r) Py_BuildValue("(fNN)", (r).area, FROM_CvScalar((r).value), FROM_CvRect((r).rect))
144 static PyObject *fromarray(PyObject *o, int allowND);
147 static void translate_error_to_exception(void)
149 PyErr_SetString(opencv_error, cvErrorStr(cvGetErrStatus()));
153 #define ERRCHK do { if (cvGetErrStatus() != 0) { translate_error_to_exception(); return NULL; } } while (0)
160 catch (const cv::Exception &e) \
162 PyErr_SetString(opencv_error, e.err.c_str()); \
168 /************************************************************************/
170 static int failmsg(const char *fmt, ...)
176 vsnprintf(str, sizeof(str), fmt, ap);
179 PyErr_SetString(PyExc_TypeError, str);
183 /************************************************************************/
185 /* These get/setters are polymorphic, used in both iplimage and cvmat */
187 static PyObject *PyObject_FromCvScalar(CvScalar s, int type)
189 int i, spe = CV_MAT_CN(type);
192 r = PyTuple_New(spe);
193 for (i = 0; i < spe; i++)
194 PyTuple_SET_ITEM(r, i, PyFloat_FromDouble(s.val[i]));
196 r = PyFloat_FromDouble(s.val[0]);
201 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key);
202 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v);
204 // o is a Python string or buffer object. Return its size.
206 static Py_ssize_t what_size(PyObject *o)
209 Py_ssize_t buffer_len;
211 if (PyString_Check(o)) {
212 return PyString_Size(o);
213 } else if (PyObject_AsWriteBuffer(o, &buffer, &buffer_len) == 0) {
216 assert(0); // argument must be string or buffer.
222 /************************************************************************/
224 CvMat *PyCvMat_AsCvMat(PyObject *o)
226 assert(0); // not yet implemented: reference counting for CvMat in Kalman is unclear...
230 #define cvReleaseIplConvKernel(x) cvReleaseStructuringElement(x)
231 #include "generated3.i"
235 static void iplimage_dealloc(PyObject *self)
237 iplimage_t *pc = (iplimage_t*)self;
238 cvReleaseImageHeader((IplImage**)&pc->a);
243 static PyObject *iplimage_repr(PyObject *self)
245 iplimage_t *cva = (iplimage_t*)self;
246 IplImage* ipl = (IplImage*)(cva->a);
248 sprintf(str, "<iplimage(");
249 char *d = str + strlen(str);
250 sprintf(d, "nChannels=%d ", ipl->nChannels);
252 sprintf(d, "width=%d ", ipl->width);
254 sprintf(d, "height=%d ", ipl->height);
256 sprintf(d, "widthStep=%d ", ipl->widthStep);
259 return PyString_FromString(str);
262 static PyObject *iplimage_tostring(PyObject *self, PyObject *args)
264 iplimage_t *pc = (iplimage_t*)self;
266 if (!convert_to_IplImage(self, &i, "self"))
288 return (PyObject*)failmsg("Unrecognised depth %d", i->depth);
290 int bpl = i->width * i->nChannels * bps;
291 if (PyString_Check(pc->data) && bpl == i->widthStep && pc->offset == 0 && ((bpl * i->height) == what_size(pc->data))) {
295 int l = bpl * i->height;
296 char *s = new char[l];
298 for (y = 0; y < i->height; y++) {
299 memcpy(s + y * bpl, i->imageData + y * i->widthStep, bpl);
301 PyObject *r = PyString_FromStringAndSize(s, l);
307 static struct PyMethodDef iplimage_methods[] =
309 {"tostring", iplimage_tostring, METH_VARARGS},
313 static PyObject *iplimage_getnChannels(iplimage_t *cva)
315 return PyInt_FromLong(((IplImage*)(cva->a))->nChannels);
317 static PyObject *iplimage_getwidth(iplimage_t *cva)
319 return PyInt_FromLong(((IplImage*)(cva->a))->width);
321 static PyObject *iplimage_getheight(iplimage_t *cva)
323 return PyInt_FromLong(((IplImage*)(cva->a))->height);
325 static PyObject *iplimage_getdepth(iplimage_t *cva)
327 return PyLong_FromUnsignedLong((unsigned)((IplImage*)(cva->a))->depth);
329 static PyObject *iplimage_getorigin(iplimage_t *cva)
331 return PyInt_FromLong(((IplImage*)(cva->a))->origin);
333 static void iplimage_setorigin(iplimage_t *cva, PyObject *v)
335 ((IplImage*)(cva->a))->origin = PyInt_AsLong(v);
338 static PyGetSetDef iplimage_getseters[] = {
339 {(char*)"nChannels", (getter)iplimage_getnChannels, (setter)NULL, (char*)"nChannels", NULL},
340 {(char*)"width", (getter)iplimage_getwidth, (setter)NULL, (char*)"width", NULL},
341 {(char*)"height", (getter)iplimage_getheight, (setter)NULL, (char*)"height", NULL},
342 {(char*)"depth", (getter)iplimage_getdepth, (setter)NULL, (char*)"depth", NULL},
343 {(char*)"origin", (getter)iplimage_getorigin, (setter)iplimage_setorigin, (char*)"origin", NULL},
344 {NULL} /* Sentinel */
347 static PyMappingMethods iplimage_as_map = {
353 static PyTypeObject iplimage_Type = {
354 PyObject_HEAD_INIT(&PyType_Type)
356 MODULESTR".iplimage", /*name*/
357 sizeof(iplimage_t), /*basicsize*/
360 static void iplimage_specials(void)
362 iplimage_Type.tp_dealloc = iplimage_dealloc;
363 iplimage_Type.tp_as_mapping = &iplimage_as_map;
364 iplimage_Type.tp_repr = iplimage_repr;
365 iplimage_Type.tp_methods = iplimage_methods;
366 iplimage_Type.tp_getset = iplimage_getseters;
369 static int is_iplimage(PyObject *o)
371 return PyType_IsSubtype(o->ob_type, &iplimage_Type);
374 /************************************************************************/
378 static void cvmat_dealloc(PyObject *self)
380 cvmat_t *pc = (cvmat_t*)self;
386 static PyObject *cvmat_repr(PyObject *self)
388 CvMat *m = ((cvmat_t*)self)->a;
390 sprintf(str, "<cvmat(");
391 char *d = str + strlen(str);
392 sprintf(d, "type=%08x ", m->type);
394 sprintf(d, "rows=%d ", m->rows);
396 sprintf(d, "cols=%d ", m->cols);
398 sprintf(d, "step=%d ", m->step);
401 return PyString_FromString(str);
404 static PyObject *cvmat_tostring(PyObject *self, PyObject *args)
407 if (!convert_to_CvMat(self, &m, "self"))
410 int bps; // bytes per sample
412 switch (CV_MAT_DEPTH(m->type)) {
415 bps = CV_MAT_CN(m->type) * 1;
419 bps = CV_MAT_CN(m->type) * 2;
423 bps = CV_MAT_CN(m->type) * 4;
426 bps = CV_MAT_CN(m->type) * 8;
429 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
432 int bpl = m->cols * bps; // bytes per line
433 cvmat_t *pc = (cvmat_t*)self;
434 if (PyString_Check(pc->data) && bpl == m->step && pc->offset == 0 && ((bpl * m->rows) == what_size(pc->data))) {
438 int l = bpl * m->rows;
439 char *s = new char[l];
441 for (y = 0; y < m->rows; y++) {
442 memcpy(s + y * bpl, m->data.ptr + y * m->step, bpl);
444 PyObject *r = PyString_FromStringAndSize(s, l);
450 static struct PyMethodDef cvmat_methods[] =
452 {"tostring", cvmat_tostring, METH_VARARGS},
456 static PyObject *cvmat_gettype(cvmat_t *cva)
458 return PyInt_FromLong(cvGetElemType(cva->a));
461 static PyObject *cvmat_getstep(cvmat_t *cva)
463 return PyInt_FromLong(cva->a->step);
466 static PyObject *cvmat_getrows(cvmat_t *cva)
468 return PyInt_FromLong(cva->a->rows);
471 static PyObject *cvmat_getcols(cvmat_t *cva)
473 return PyInt_FromLong(cva->a->cols);
477 #include "numpy/ndarrayobject.h"
479 // A PyArrayInterface, with an associated python object that should be DECREF'ed on release
485 static void arrayTrackDtor(void *p)
487 struct arrayTrack *at = (struct arrayTrack *)p;
489 delete at->s.strides;
491 Py_DECREF(at->s.descr);
495 // Fill in fields of PyArrayInterface s using mtype. This code is common
496 // to cvmat and cvmatnd
498 static void arrayinterface_common(PyArrayInterface *s, int mtype)
502 switch (CV_MAT_DEPTH(mtype)) {
535 s->flags = NPY_WRITEABLE | NPY_NOTSWAPPED;
538 static PyObject *cvmat_array_struct(cvmat_t *cva)
541 convert_to_CvMat((PyObject *)cva, &m, "");
543 arrayTrack *at = new arrayTrack;
544 PyArrayInterface *s = &at->s;
549 arrayinterface_common(s, m->type);
551 if (CV_MAT_CN(m->type) == 1) {
553 s->shape = new npy_intp[2];
554 s->shape[0] = m->rows;
555 s->shape[1] = m->cols;
556 s->strides = new npy_intp[2];
557 s->strides[0] = m->step;
558 s->strides[1] = s->itemsize;
561 s->shape = new npy_intp[3];
562 s->shape[0] = m->rows;
563 s->shape[1] = m->cols;
564 s->shape[2] = CV_MAT_CN(m->type);
565 s->strides = new npy_intp[3];
566 s->strides[0] = m->step;
567 s->strides[1] = s->itemsize * CV_MAT_CN(m->type);
568 s->strides[2] = s->itemsize;
570 s->data = (void*)(m->data.ptr);
571 s->descr = PyList_New(1);
573 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
574 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
576 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
579 static PyObject *cvmatnd_array_struct(cvmatnd_t *cva)
582 convert_to_CvMatND((PyObject *)cva, &m, "");
584 arrayTrack *at = new arrayTrack;
585 PyArrayInterface *s = &at->s;
590 arrayinterface_common(s, m->type);
593 if (CV_MAT_CN(m->type) == 1) {
595 s->shape = new npy_intp[s->nd];
596 for (i = 0; i < s->nd; i++)
597 s->shape[i] = m->dim[i].size;
598 s->strides = new npy_intp[s->nd];
599 for (i = 0; i < (s->nd - 1); i++)
600 s->strides[i] = m->dim[i].step;
601 s->strides[s->nd - 1] = s->itemsize;
604 s->shape = new npy_intp[s->nd];
605 for (i = 0; i < (s->nd - 1); i++)
606 s->shape[i] = m->dim[i].size;
607 s->shape[s->nd - 1] = CV_MAT_CN(m->type);
609 s->strides = new npy_intp[s->nd];
610 for (i = 0; i < (s->nd - 2); i++)
611 s->strides[i] = m->dim[i].step;
612 s->strides[s->nd - 2] = s->itemsize * CV_MAT_CN(m->type);
613 s->strides[s->nd - 1] = s->itemsize;
615 s->data = (void*)(m->data.ptr);
616 s->descr = PyList_New(1);
618 sprintf(typestr, "<%c%d", s->typekind, s->itemsize);
619 PyList_SetItem(s->descr, 0, Py_BuildValue("(ss)", "x", typestr));
621 return PyCObject_FromVoidPtr(s, arrayTrackDtor);
625 static PyGetSetDef cvmat_getseters[] = {
626 {(char*)"type", (getter)cvmat_gettype, (setter)NULL, (char*)"type", NULL},
627 {(char*)"step", (getter)cvmat_getstep, (setter)NULL, (char*)"step", NULL},
628 {(char*)"rows", (getter)cvmat_getrows, (setter)NULL, (char*)"rows", NULL},
629 {(char*)"cols", (getter)cvmat_getcols, (setter)NULL, (char*)"cols", NULL},
630 {(char*)"width", (getter)cvmat_getcols, (setter)NULL, (char*)"width", NULL},
631 {(char*)"height", (getter)cvmat_getrows, (setter)NULL, (char*)"height", NULL},
633 {(char*)"__array_struct__", (getter)cvmat_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
635 {NULL} /* Sentinel */
638 static PyMappingMethods cvmat_as_map = {
644 static PyTypeObject cvmat_Type = {
645 PyObject_HEAD_INIT(&PyType_Type)
647 MODULESTR".cvmat", /*name*/
648 sizeof(cvmat_t), /*basicsize*/
651 static void cvmat_specials(void)
653 cvmat_Type.tp_dealloc = cvmat_dealloc;
654 cvmat_Type.tp_as_mapping = &cvmat_as_map;
655 cvmat_Type.tp_repr = cvmat_repr;
656 cvmat_Type.tp_methods = cvmat_methods;
657 cvmat_Type.tp_getset = cvmat_getseters;
660 static int is_cvmat(PyObject *o)
662 return PyType_IsSubtype(o->ob_type, &cvmat_Type);
665 /************************************************************************/
669 static void cvmatnd_dealloc(PyObject *self)
671 cvmatnd_t *pc = (cvmatnd_t*)self;
676 static PyObject *cvmatnd_repr(PyObject *self)
678 CvMatND *m = ((cvmatnd_t*)self)->a;
680 sprintf(str, "<cvmatnd(");
681 char *d = str + strlen(str);
682 sprintf(d, "type=%08x ", m->type);
685 return PyString_FromString(str);
688 static size_t cvmatnd_size(CvMatND *m)
691 switch (CV_MAT_DEPTH(m->type)) {
694 bps = CV_MAT_CN(m->type) * 1;
698 bps = CV_MAT_CN(m->type) * 2;
702 bps = CV_MAT_CN(m->type) * 4;
705 bps = CV_MAT_CN(m->type) * 8;
711 for (int d = 0; d < m->dims; d++) {
717 static PyObject *cvmatnd_tostring(PyObject *self, PyObject *args)
720 if (!convert_to_CvMatND(self, &m, "self"))
724 switch (CV_MAT_DEPTH(m->type)) {
727 bps = CV_MAT_CN(m->type) * 1;
731 bps = CV_MAT_CN(m->type) * 2;
735 bps = CV_MAT_CN(m->type) * 4;
738 bps = CV_MAT_CN(m->type) * 8;
741 return (PyObject*)failmsg("Unrecognised depth %d", CV_MAT_DEPTH(m->type));
745 for (int d = 0; d < m->dims; d++) {
750 for (d = 0; d < m->dims; d++) {
753 int rowsize = m->dim[m->dims-1].size * bps;
754 char *s = new char[l];
759 memcpy(ps, cvPtrND(m, i), rowsize);
761 for (d = m->dims - 2; 0 <= d; d--) {
762 if (++i[d] < cvGetDimSize(m, d)) {
772 return PyString_FromStringAndSize(s, ps - s);
775 static struct PyMethodDef cvmatnd_methods[] =
777 {"tostring", cvmatnd_tostring, METH_VARARGS},
781 static PyGetSetDef cvmatnd_getseters[] = {
783 {(char*)"__array_struct__", (getter)cvmatnd_array_struct, (setter)NULL, (char*)"__array_struct__", NULL},
785 {NULL} /* Sentinel */
788 static PyMappingMethods cvmatnd_as_map = {
794 static PyTypeObject cvmatnd_Type = {
795 PyObject_HEAD_INIT(&PyType_Type)
797 MODULESTR".cvmatnd", /*name*/
798 sizeof(cvmatnd_t), /*basicsize*/
801 static void cvmatnd_specials(void)
803 cvmatnd_Type.tp_dealloc = cvmatnd_dealloc;
804 cvmatnd_Type.tp_as_mapping = &cvmatnd_as_map;
805 cvmatnd_Type.tp_repr = cvmatnd_repr;
806 cvmatnd_Type.tp_methods = cvmatnd_methods;
807 cvmatnd_Type.tp_getset = cvmatnd_getseters;
810 static int is_cvmatnd(PyObject *o)
812 return PyType_IsSubtype(o->ob_type, &cvmatnd_Type);
815 /************************************************************************/
819 static void cvhistogram_dealloc(PyObject *self)
821 cvhistogram_t *cvh = (cvhistogram_t*)self;
822 Py_DECREF(cvh->bins);
826 static PyTypeObject cvhistogram_Type = {
827 PyObject_HEAD_INIT(&PyType_Type)
829 MODULESTR".cvhistogram", /*name*/
830 sizeof(cvhistogram_t), /*basicsize*/
833 static PyObject *cvhistogram_getbins(cvhistogram_t *cvh)
835 Py_INCREF(cvh->bins);
839 static PyGetSetDef cvhistogram_getseters[] = {
840 {(char*)"bins", (getter)cvhistogram_getbins, (setter)NULL, (char*)"bins", NULL},
841 {NULL} /* Sentinel */
844 static void cvhistogram_specials(void)
846 cvhistogram_Type.tp_dealloc = cvhistogram_dealloc;
847 cvhistogram_Type.tp_getset = cvhistogram_getseters;
850 /************************************************************************/
854 static PyObject *cvlineiterator_iter(PyObject *o)
860 static PyObject *cvlineiterator_next(PyObject *o)
862 cvlineiterator_t *pi = (cvlineiterator_t*)o;
868 cvRawDataToScalar( (void*)(pi->iter.ptr), pi->type, &r);
869 PyObject *pr = PyObject_FromCvScalar(r, pi->type);
871 CV_NEXT_LINE_POINT(pi->iter);
879 static PyTypeObject cvlineiterator_Type = {
880 PyObject_HEAD_INIT(&PyType_Type)
882 MODULESTR".cvlineiterator", /*name*/
883 sizeof(cvlineiterator_t), /*basicsize*/
886 static void cvlineiterator_specials(void)
888 cvlineiterator_Type.tp_iter = cvlineiterator_iter;
889 cvlineiterator_Type.tp_iternext = cvlineiterator_next;
892 /************************************************************************/
896 static void memtrack_dealloc(PyObject *self)
898 memtrack_t *pi = (memtrack_t*)self;
899 // printf("===> memtrack_dealloc %p!\n", pi->ptr);
904 static PyTypeObject memtrack_Type = {
905 PyObject_HEAD_INIT(&PyType_Type)
907 MODULESTR".memtrack", /*name*/
908 sizeof(memtrack_t), /*basicsize*/
911 Py_ssize_t memtrack_getreadbuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
913 *ptrptr = &((memtrack_t*)self)->ptr;
914 return ((memtrack_t*)self)->size;
917 Py_ssize_t memtrack_getwritebuffer(PyObject *self, Py_ssize_t segment, void **ptrptr)
919 *ptrptr = ((memtrack_t*)self)->ptr;
920 return ((memtrack_t*)self)->size;
923 Py_ssize_t memtrack_getsegcount(PyObject *self, Py_ssize_t *lenp)
925 return (Py_ssize_t)1;
928 PyBufferProcs memtrack_as_buffer = {
929 memtrack_getreadbuffer,
930 memtrack_getwritebuffer,
934 static void memtrack_specials(void)
936 memtrack_Type.tp_dealloc = memtrack_dealloc;
937 memtrack_Type.tp_as_buffer = &memtrack_as_buffer;
940 /************************************************************************/
944 static PyTypeObject cvmoments_Type = {
945 PyObject_HEAD_INIT(&PyType_Type)
947 MODULESTR".cvmoments", /*name*/
948 sizeof(cvmoments_t), /*basicsize*/
951 static void cvmoments_specials(void)
955 /************************************************************************/
959 static void cvmemstorage_dealloc(PyObject *self)
961 cvmemstorage_t *ps = (cvmemstorage_t*)self;
962 cvReleaseMemStorage(&(ps->a));
966 static PyTypeObject cvmemstorage_Type = {
967 PyObject_HEAD_INIT(&PyType_Type)
969 MODULESTR".cvmemstorage", /*name*/
970 sizeof(cvmemstorage_t), /*basicsize*/
973 static void cvmemstorage_specials(void)
975 cvmemstorage_Type.tp_dealloc = cvmemstorage_dealloc;
978 /************************************************************************/
982 static PyTypeObject cvfont_Type = {
983 PyObject_HEAD_INIT(&PyType_Type)
985 MODULESTR".cvfont", /*name*/
986 sizeof(cvfont_t), /*basicsize*/
989 static void cvfont_specials(void) { }
991 /************************************************************************/
995 static PyTypeObject cvrng_Type = {
996 PyObject_HEAD_INIT(&PyType_Type)
998 MODULESTR".cvrng", /*name*/
999 sizeof(cvrng_t), /*basicsize*/
1002 static void cvrng_specials(void)
1006 /************************************************************************/
1010 static PyTypeObject cvcontourtree_Type = {
1011 PyObject_HEAD_INIT(&PyType_Type)
1013 MODULESTR".cvcontourtree", /*name*/
1014 sizeof(cvcontourtree_t), /*basicsize*/
1017 static void cvcontourtree_specials(void) { }
1020 /************************************************************************/
1022 /* cvsubdiv2dedge */
1024 static PyTypeObject cvsubdiv2dedge_Type = {
1025 PyObject_HEAD_INIT(&PyType_Type)
1027 MODULESTR".cvsubdiv2dedge", /*name*/
1028 sizeof(cvsubdiv2dedge_t), /*basicsize*/
1031 static int cvsubdiv2dedge_compare(PyObject *o1, PyObject *o2)
1033 cvsubdiv2dedge_t *e1 = (cvsubdiv2dedge_t*)o1;
1034 cvsubdiv2dedge_t *e2 = (cvsubdiv2dedge_t*)o2;
1037 else if (e1->a > e2->a)
1043 static PyObject *cvquadedge_repr(PyObject *self)
1045 CvSubdiv2DEdge m = ((cvsubdiv2dedge_t*)self)->a;
1047 sprintf(str, "<cvsubdiv2dedge(");
1048 char *d = str + strlen(str);
1049 sprintf(d, "%zx.%d", m & ~3, (int)(m & 3));
1052 return PyString_FromString(str);
1055 static void cvsubdiv2dedge_specials(void) {
1056 cvsubdiv2dedge_Type.tp_compare = cvsubdiv2dedge_compare;
1057 cvsubdiv2dedge_Type.tp_repr = cvquadedge_repr;
1060 /************************************************************************/
1064 static void cvseq_dealloc(PyObject *self)
1066 cvseq_t *ps = (cvseq_t*)self;
1067 Py_DECREF(ps->container);
1071 static PyObject *cvseq_h_next(PyObject *self, PyObject *args);
1072 static PyObject *cvseq_h_prev(PyObject *self, PyObject *args);
1073 static PyObject *cvseq_v_next(PyObject *self, PyObject *args);
1074 static PyObject *cvseq_v_prev(PyObject *self, PyObject *args);
1076 static struct PyMethodDef cvseq_methods[] =
1078 {"h_next", cvseq_h_next, METH_VARARGS},
1079 {"h_prev", cvseq_h_prev, METH_VARARGS},
1080 {"v_next", cvseq_v_next, METH_VARARGS},
1081 {"v_prev", cvseq_v_prev, METH_VARARGS},
1085 static Py_ssize_t cvseq_seq_length(PyObject *o)
1087 cvseq_t *ps = (cvseq_t*)o;
1089 return (Py_ssize_t)0;
1091 return (Py_ssize_t)(ps->a->total);
1094 static PyObject* cvseq_seq_getitem(PyObject *o, Py_ssize_t i)
1096 cvseq_t *ps = (cvseq_t*)o;
1104 if (i < cvseq_seq_length(o)) {
1105 switch (CV_SEQ_ELTYPE(ps->a)) {
1107 case CV_SEQ_ELTYPE_POINT:
1108 pt = CV_GET_SEQ_ELEM(CvPoint, ps->a, i);
1109 return Py_BuildValue("ii", pt->x, pt->y);
1111 case CV_SEQ_ELTYPE_GENERIC:
1112 switch (ps->a->elem_size) {
1113 case sizeof(CvQuadEdge2D):
1115 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1116 r->a = (CvSubdiv2DEdge)CV_GET_SEQ_ELEM(CvQuadEdge2D, ps->a, i);
1117 r->container = ps->container;
1118 Py_INCREF(r->container);
1119 return (PyObject*)r;
1121 case sizeof(CvConnectedComp):
1123 CvConnectedComp *cc = CV_GET_SEQ_ELEM(CvConnectedComp, ps->a, i);
1124 return FROM_CvConnectedComp(*cc);
1127 printf("seq elem size is %d\n", ps->a->elem_size);
1128 printf("KIND %d\n", CV_SEQ_KIND(ps->a));
1131 return PyInt_FromLong(*CV_GET_SEQ_ELEM(unsigned char, ps->a, i));
1133 case CV_SEQ_ELTYPE_PTR:
1134 case CV_SEQ_ELTYPE_INDEX:
1135 return PyInt_FromLong(*CV_GET_SEQ_ELEM(int, ps->a, i));
1138 pp = CV_GET_SEQ_ELEM(pointpair, ps->a, i);
1139 return Py_BuildValue("(ii),(ii)", pp->a.x, pp->a.y, pp->b.x, pp->b.y);
1142 pt2 = CV_GET_SEQ_ELEM(CvPoint2D32f, ps->a, i);
1143 return Py_BuildValue("ff", pt2->x, pt2->y);
1145 case CV_SEQ_ELTYPE_POINT3D:
1146 pt3 = CV_GET_SEQ_ELEM(CvPoint3D32f, ps->a, i);
1147 return Py_BuildValue("fff", pt3->x, pt3->y, pt3->z);
1150 printf("Unknown element type %08x\n", CV_SEQ_ELTYPE(ps->a));
1158 static PyObject* cvseq_map_getitem(PyObject *o, PyObject *item)
1160 if (PyInt_Check(item)) {
1161 long i = PyInt_AS_LONG(item);
1163 i += cvseq_seq_length(o);
1164 return cvseq_seq_getitem(o, i);
1165 } else if (PySlice_Check(item)) {
1166 Py_ssize_t start, stop, step, slicelength, cur, i;
1169 if (PySlice_GetIndicesEx((PySliceObject*)item, cvseq_seq_length(o),
1170 &start, &stop, &step, &slicelength) < 0) {
1174 if (slicelength <= 0) {
1175 return PyList_New(0);
1177 result = PyList_New(slicelength);
1178 if (!result) return NULL;
1180 for (cur = start, i = 0; i < slicelength;
1182 PyList_SET_ITEM(result, i, cvseq_seq_getitem(o, cur));
1188 PyErr_SetString(PyExc_TypeError, "CvSeq indices must be integers");
1194 PySequenceMethods cvseq_sequence = {
1201 static PyMappingMethods cvseq_mapping = {
1207 static PyTypeObject cvseq_Type = {
1208 PyObject_HEAD_INIT(&PyType_Type)
1210 MODULESTR".cvseq", /*name*/
1211 sizeof(cvseq_t), /*basicsize*/
1214 static void cvseq_specials(void)
1216 cvseq_Type.tp_dealloc = cvseq_dealloc;
1217 cvseq_Type.tp_as_sequence = &cvseq_sequence;
1218 cvseq_Type.tp_as_mapping = &cvseq_mapping;
1219 cvseq_Type.tp_methods = cvseq_methods;
1222 #define MK_ACCESSOR(FIELD) \
1223 static PyObject *cvseq_##FIELD(PyObject *self, PyObject *args) \
1225 cvseq_t *ps = (cvseq_t*)self; \
1227 if (s->FIELD == NULL) { \
1230 cvseq_t *r = PyObject_NEW(cvseq_t, &cvseq_Type); \
1232 r->container = ps->container; \
1233 Py_INCREF(r->container); \
1234 return (PyObject*)r; \
1244 /************************************************************************/
1248 static void cvset_dealloc(PyObject *self)
1250 cvset_t *ps = (cvset_t*)self;
1251 Py_DECREF(ps->container);
1255 static PyTypeObject cvset_Type = {
1256 PyObject_HEAD_INIT(&PyType_Type)
1258 MODULESTR".cvset", /*name*/
1259 sizeof(cvset_t), /*basicsize*/
1262 static PyObject *cvset_iter(PyObject *o)
1265 cvset_t *ps = (cvset_t*)o;
1270 static PyObject *cvset_next(PyObject *o)
1272 cvset_t *ps = (cvset_t*)o;
1274 while (ps->i < ps->a->total) {
1275 CvSetElem *e = cvGetSetElem(ps->a, ps->i);
1276 int prev_i = ps->i++;
1278 return cvseq_seq_getitem(o, prev_i);
1284 static void cvset_specials(void)
1286 cvset_Type.tp_dealloc = cvset_dealloc;
1287 cvset_Type.tp_iter = cvset_iter;
1288 cvset_Type.tp_iternext = cvset_next;
1291 /************************************************************************/
1295 static PyTypeObject cvsubdiv2d_Type = {
1296 PyObject_HEAD_INIT(&PyType_Type)
1298 MODULESTR".cvsubdiv2d", /*name*/
1299 sizeof(cvsubdiv2d_t), /*basicsize*/
1302 static PyObject *cvsubdiv2d_getattro(PyObject *o, PyObject *name)
1304 cvsubdiv2d_t *p = (cvsubdiv2d_t*)o;
1305 if (strcmp(PyString_AsString(name), "edges") == 0) {
1306 cvset_t *r = PyObject_NEW(cvset_t, &cvset_Type);
1308 r->container = p->container;
1309 Py_INCREF(r->container);
1310 return (PyObject*)r;
1312 PyErr_SetString(PyExc_TypeError, "cvsubdiv2d has no such attribute");
1317 static void cvsubdiv2d_specials(void)
1319 cvsubdiv2d_Type.tp_getattro = cvsubdiv2d_getattro;
1322 /************************************************************************/
1324 /* cvsubdiv2dpoint */
1326 static PyTypeObject cvsubdiv2dpoint_Type = {
1327 PyObject_HEAD_INIT(&PyType_Type)
1329 MODULESTR".cvsubdiv2dpoint", /*name*/
1330 sizeof(cvsubdiv2dpoint_t), /*basicsize*/
1333 static PyObject *cvsubdiv2dpoint_getattro(PyObject *o, PyObject *name)
1335 cvsubdiv2dpoint_t *p = (cvsubdiv2dpoint_t*)o;
1336 if (strcmp(PyString_AsString(name), "first") == 0) {
1337 cvsubdiv2dedge_t *r = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
1339 r->container = p->container;
1340 Py_INCREF(r->container);
1341 return (PyObject*)r;
1342 } else if (strcmp(PyString_AsString(name), "pt") == 0) {
1343 return Py_BuildValue("(ff)", p->a->pt.x, p->a->pt.y);
1345 PyErr_SetString(PyExc_TypeError, "cvsubdiv2dpoint has no such attribute");
1350 static void cvsubdiv2dpoint_specials(void)
1352 cvsubdiv2dpoint_Type.tp_getattro = cvsubdiv2dpoint_getattro;
1355 /************************************************************************/
1356 /* convert_to_X: used after PyArg_ParseTuple in the generated code */
1358 static int convert_to_PyObjectPTR(PyObject *o, PyObject **dst, const char *name = "no_name")
1364 static int convert_to_PyCallableObjectPTR(PyObject *o, PyObject **dst, const char *name = "no_name")
1370 static int convert_to_char(PyObject *o, char *dst, const char *name = "no_name")
1372 if (PyString_Check(o) && PyString_Size(o) == 1) {
1373 *dst = PyString_AsString(o)[0];
1377 return failmsg("Expected single character string for argument '%s'", name);
1381 static int convert_to_CvMemStorage(PyObject *o, CvMemStorage **dst, const char *name = "no_name")
1383 if (PyType_IsSubtype(o->ob_type, &cvmemstorage_Type)) {
1384 (*dst) = (((cvmemstorage_t*)o)->a);
1387 (*dst) = (CvMemStorage*)NULL;
1388 return failmsg("Expected CvMemStorage for argument '%s'", name);
1392 static int convert_to_CvSeq(PyObject *o, CvSeq **dst, const char *name = "no_name")
1394 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1395 (*dst) = (((cvseq_t*)o)->a);
1398 (*dst) = (CvSeq*)NULL;
1399 return failmsg("Expected CvSeq for argument '%s'", name);
1403 static int convert_to_CvSize(PyObject *o, CvSize *dst, const char *name = "no_name")
1405 if (!PyArg_ParseTuple(o, "ii", &dst->width, &dst->height))
1406 return failmsg("CvSize argument '%s' expects two integers", name);
1411 static int convert_to_CvScalar(PyObject *o, CvScalar *s, const char *name = "no_name")
1413 if (PySequence_Check(o)) {
1414 PyObject *fi = PySequence_Fast(o, name);
1417 if (4 < PySequence_Fast_GET_SIZE(fi))
1418 return failmsg("CvScalar value for argument '%s' is longer than 4", name);
1419 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1420 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1421 if (PyFloat_Check(item) || PyInt_Check(item)) {
1422 s->val[i] = PyFloat_AsDouble(item);
1424 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1429 if (PyFloat_Check(o) || PyInt_Check(o)) {
1430 s->val[0] = PyFloat_AsDouble(o);
1432 return failmsg("CvScalar value for argument '%s' is not numeric", name);
1438 static int convert_to_CvPointPTR(PyObject *o, CvPoint **p, const char *name = "no_name")
1440 if (!PySequence_Check(o))
1441 return failmsg("Expected sequence for point list argument '%s'", name);
1442 PyObject *fi = PySequence_Fast(o, name);
1445 *p = new CvPoint[PySequence_Fast_GET_SIZE(fi)];
1446 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1447 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1448 if (!PyTuple_Check(item))
1449 return failmsg("Expected tuple for element in point list argument '%s'", name);
1450 if (!PyArg_ParseTuple(item, "ii", &((*p)[i].x), &((*p)[i].y))) {
1458 static int convert_to_CvPoint2D32fPTR(PyObject *o, CvPoint2D32f **p, const char *name = "no_name")
1460 PyObject *fi = PySequence_Fast(o, name);
1463 *p = new CvPoint2D32f[PySequence_Fast_GET_SIZE(fi)];
1464 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1465 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1466 if (!PyTuple_Check(item))
1467 return failmsg("Expected tuple for CvPoint2D32f argument '%s'", name);
1468 if (!PyArg_ParseTuple(item, "ff", &((*p)[i].x), &((*p)[i].y))) {
1477 static int convert_to_CvPoint3D32fPTR(PyObject *o, CvPoint3D32f **p, const char *name = "no_name")
1479 PyObject *fi = PySequence_Fast(o, name);
1482 *p = new CvPoint3D32f[PySequence_Fast_GET_SIZE(fi)];
1483 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1484 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1485 if (!PyTuple_Check(item))
1486 return failmsg("Expected tuple for CvPoint3D32f argument '%s'", name);
1487 if (!PyArg_ParseTuple(item, "fff", &((*p)[i].x), &((*p)[i].y), &((*p)[i].z))) {
1496 static int convert_to_CvStarDetectorParams(PyObject *o, CvStarDetectorParams *dst, const char *name = "no_name")
1498 if (!PyArg_ParseTuple(o,
1501 &dst->responseThreshold,
1502 &dst->lineThresholdProjected,
1503 &dst->lineThresholdBinarized,
1504 &dst->suppressNonmaxSize))
1505 return failmsg("CvRect argument '%s' expects four integers", name);
1510 static int convert_to_CvRect(PyObject *o, CvRect *dst, const char *name = "no_name")
1512 if (!PyArg_ParseTuple(o, "iiii", &dst->x, &dst->y, &dst->width, &dst->height))
1513 return failmsg("CvRect argument '%s' expects four integers", name);
1518 static int convert_to_CvRectPTR(PyObject *o, CvRect **dst, const char *name = "no_name")
1521 if (!PyArg_ParseTuple(o, "iiii", &(*dst)->x, &(*dst)->y, &(*dst)->width, &(*dst)->height))
1522 return failmsg("CvRect argument '%s' expects four integers", name);
1527 static int convert_to_CvSlice(PyObject *o, CvSlice *dst, const char *name = "no_name")
1529 if (!PyArg_ParseTuple(o, "ii", &dst->start_index, &dst->end_index))
1530 return failmsg("CvSlice argument '%s' expects two integers", name);
1535 static int convert_to_CvPoint(PyObject *o, CvPoint *dst, const char *name = "no_name")
1537 if (!PyArg_ParseTuple(o, "ii", &dst->x, &dst->y))
1538 return failmsg("CvPoint argument '%s' expects two integers", name);
1543 static int convert_to_CvPoint2D32f(PyObject *o, CvPoint2D32f *dst, const char *name = "no_name")
1545 if (!PyArg_ParseTuple(o, "ff", &dst->x, &dst->y))
1546 return failmsg("CvPoint2D32f argument '%s' expects two floats", name);
1551 static int convert_to_CvPoint3D32f(PyObject *o, CvPoint3D32f *dst, const char *name = "no_name")
1553 if (!PyArg_ParseTuple(o, "fff", &dst->x, &dst->y, &dst->z))
1554 return failmsg("CvPoint3D32f argument '%s' expects three floats", name);
1559 static int convert_to_IplImage(PyObject *o, IplImage **dst, const char *name)
1561 iplimage_t *ipl = (iplimage_t*)o;
1563 Py_ssize_t buffer_len;
1565 if (!is_iplimage(o)) {
1566 return failmsg("Argument '%s' must be IplImage", name);
1567 } else if (PyString_Check(ipl->data)) {
1568 cvSetData(ipl->a, PyString_AsString(ipl->data) + ipl->offset, ipl->a->widthStep);
1569 assert(cvGetErrStatus() == 0);
1572 } else if (ipl->data && PyObject_AsWriteBuffer(ipl->data, &buffer, &buffer_len) == 0) {
1573 cvSetData(ipl->a, (void*)((char*)buffer + ipl->offset), ipl->a->widthStep);
1574 assert(cvGetErrStatus() == 0);
1578 return failmsg("IplImage argument '%s' has no data", name);
1582 static int convert_to_CvMat(PyObject *o, CvMat **dst, const char *name)
1584 cvmat_t *m = (cvmat_t*)o;
1586 Py_ssize_t buffer_len;
1589 return failmsg("Argument '%s' must be CvMat", name);
1591 m->a->refcount = NULL;
1592 if (m->data && PyString_Check(m->data)) {
1593 assert(cvGetErrStatus() == 0);
1594 char *ptr = PyString_AsString(m->data) + m->offset;
1595 cvSetData(m->a, ptr, m->a->step);
1596 assert(cvGetErrStatus() == 0);
1599 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1600 cvSetData(m->a, (void*)((char*)buffer + m->offset), m->a->step);
1601 assert(cvGetErrStatus() == 0);
1605 return failmsg("CvMat argument '%s' has no data", name);
1610 static int convert_to_CvMatND(PyObject *o, CvMatND **dst, const char *name)
1612 cvmatnd_t *m = (cvmatnd_t*)o;
1614 Py_ssize_t buffer_len;
1616 if (!is_cvmatnd(o)) {
1617 return failmsg("Argument '%s' must be CvMatND", name);
1618 } else if (m->data && PyString_Check(m->data)) {
1619 m->a->data.ptr = ((uchar*)PyString_AsString(m->data)) + m->offset;
1622 } else if (m->data && PyObject_AsWriteBuffer(m->data, &buffer, &buffer_len) == 0) {
1623 m->a->data.ptr = ((uchar*)buffer + m->offset);
1627 return failmsg("CvMatND argument '%s' has no data", name);
1631 static int convert_to_CvArr(PyObject *o, CvArr **dst, const char *name)
1636 } else if (is_iplimage(o)) {
1637 return convert_to_IplImage(o, (IplImage**)dst, name);
1638 } else if (is_cvmat(o)) {
1639 return convert_to_CvMat(o, (CvMat**)dst, name);
1640 } else if (is_cvmatnd(o)) {
1641 return convert_to_CvMatND(o, (CvMatND**)dst, name);
1643 #if !PYTHON_USE_NUMPY
1644 return failmsg("CvArr argument '%s' must be IplImage, CvMat or CvMatND", name);
1646 PyObject *asmat = fromarray(o, 0);
1648 return failmsg("CvArr argument '%s' must be IplImage, CvMat, CvMatND, or support the array interface", name);
1649 // now have the array obect as a cvmat, can use regular conversion
1650 return convert_to_CvArr(asmat, dst, name);
1655 static int convert_to_CvHistogram(PyObject *o, CvHistogram **dst, const char *name = "no_name")
1657 if (PyType_IsSubtype(o->ob_type, &cvhistogram_Type)) {
1658 cvhistogram_t *ht = (cvhistogram_t*)o;
1660 return convert_to_CvArr(ht->bins, &(ht->h.bins), "bins");
1662 *dst = (CvHistogram *)NULL;
1663 return failmsg("Expected CvHistogram for argument '%s'", name);
1667 // Used by FillPoly, FillConvexPoly, PolyLine
1668 struct pts_npts_contours {
1674 static int convert_to_pts_npts_contours(PyObject *o, pts_npts_contours *dst, const char *name = "no_name")
1676 PyObject *fi = PySequence_Fast(o, name);
1679 dst->contours = PySequence_Fast_GET_SIZE(fi);
1680 dst->pts = new CvPoint*[dst->contours];
1681 dst->npts = new int[dst->contours];
1682 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1683 if (!convert_to_CvPointPTR(PySequence_Fast_GET_ITEM(fi, i), &dst->pts[i], name))
1685 dst->npts[i] = PySequence_Size(PySequence_Fast_GET_ITEM(fi, i)); // safe because convert_ just succeeded
1698 static int convert_to_cvarrseq(PyObject *o, cvarrseq *dst, const char *name = "no_name")
1700 if (PyType_IsSubtype(o->ob_type, &cvseq_Type)) {
1701 return convert_to_CvSeq(o, &(dst->seq), name);
1702 } else if (PySequence_Check(o)) {
1703 PyObject *fi = PySequence_Fast(o, name);
1706 Py_ssize_t size = -1;
1707 // Make a pass through the sequence, checking that each element is
1708 // a sequence and that they are all the same size
1709 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1710 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1712 if (!PySequence_Check(e))
1713 return failmsg("Sequence '%s' must contain sequences", name);
1715 size = (int)PySequence_Size(e);
1716 else if (size != PySequence_Size(e))
1717 return failmsg("All elements of sequence '%s' must be same size", name);
1720 CvMat *mt = cvCreateMat((int)PySequence_Fast_GET_SIZE(fi), 1, CV_32SC(size));
1721 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1722 PyObject *e = PySequence_Fast_GET_ITEM(fi, i);
1723 PyObject *fe = PySequence_Fast(e, name);
1725 int *pdst = (int*)cvPtr2D(mt, i, 0);
1726 for (Py_ssize_t j = 0; j < size; j++) {
1727 *pdst++ = PyInt_AsLong(PySequence_Fast_GET_ITEM(fe, j));
1735 return convert_to_CvArr(o, &(dst->mat), name);
1739 struct cvarr_count {
1744 static int convert_to_cvarr_count(PyObject *o, cvarr_count *dst, const char *name = "no_name")
1746 PyObject *fi = PySequence_Fast(o, name);
1749 dst->count = PySequence_Fast_GET_SIZE(fi);
1750 dst->cvarr = new CvArr*[dst->count];
1751 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1752 if (!convert_to_CvArr(PySequence_Fast_GET_ITEM(fi, i), &dst->cvarr[i], name))
1765 static int convert_to_intpair(PyObject *o, intpair *dst, const char *name = "no_name")
1767 PyObject *fi = PySequence_Fast(o, name);
1770 dst->count = PySequence_Fast_GET_SIZE(fi);
1771 dst->pairs = new int[2 * dst->count];
1772 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1773 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1774 if (!PyArg_ParseTuple(item, "ii", &dst->pairs[2 * i], &dst->pairs[2 * i + 1])) {
1782 struct cvpoint2d32f_count {
1783 CvPoint2D32f* points;
1787 static int convert_to_cvpoint2d32f_count(PyObject *o, cvpoint2d32f_count *dst, const char *name = "no_name")
1789 if (PyInt_Check(o)) {
1790 dst->count = PyInt_AsLong(o);
1791 dst->points = new CvPoint2D32f[dst->count];
1794 return failmsg("Expected integer for CvPoint2D32f count");
1802 static int convert_to_floats(PyObject *o, floats *dst, const char *name = "no_name")
1804 PyObject *fi = PySequence_Fast(o, name);
1807 dst->count = PySequence_Fast_GET_SIZE(fi);
1808 dst->f = new float[dst->count];
1809 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1810 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1811 dst->f[i] = (float)PyFloat_AsDouble(item);
1821 /// convert_to_chars not used
1827 static int convert_to_CvPoints(PyObject *o, CvPoints *dst, const char *name = "no_name")
1829 PyObject *fi = PySequence_Fast(o, name);
1832 dst->count = PySequence_Fast_GET_SIZE(fi);
1833 dst->p = new CvPoint[dst->count];
1834 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1835 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1836 convert_to_CvPoint(item, &dst->p[i], name);
1842 struct CvPoint3D32fs {
1846 static int convert_to_CvPoint3D32fs(PyObject *o, CvPoint3D32fs *dst, const char *name = "no_name")
1848 PyObject *fi = PySequence_Fast(o, name);
1851 dst->count = PySequence_Fast_GET_SIZE(fi);
1852 dst->p = new CvPoint3D32f[dst->count];
1853 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1854 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1855 convert_to_CvPoint3D32f(item, &dst->p[i], name);
1861 struct CvPoint2D32fs {
1865 static int convert_to_CvPoint2D32fs(PyObject *o, CvPoint2D32fs *dst, const char *name = "no_name")
1867 PyObject *fi = PySequence_Fast(o, name);
1870 dst->count = PySequence_Fast_GET_SIZE(fi);
1871 dst->p = new CvPoint2D32f[dst->count];
1872 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1873 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1874 convert_to_CvPoint2D32f(item, &dst->p[i], name);
1884 static int convert_to_ints(PyObject *o, ints *dst, const char *name = "no_name")
1886 PyObject *fi = PySequence_Fast(o, name);
1889 dst->count = PySequence_Fast_GET_SIZE(fi);
1890 dst->i = new int[dst->count];
1891 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1892 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1893 dst->i[i] = PyInt_AsLong(item);
1903 static int convert_to_ints0(PyObject *o, ints0 *dst, const char *name = "no_name")
1905 PyObject *fi = PySequence_Fast(o, name);
1908 dst->count = PySequence_Fast_GET_SIZE(fi);
1909 dst->i = new int[dst->count + 1];
1910 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1911 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1912 dst->i[i] = PyInt_AsLong(item);
1914 dst->i[dst->count] = 0;
1923 int step[CV_MAX_DIM];
1924 int length[CV_MAX_DIM];
1927 static int convert_to_dim(PyObject *item, int i, dims *dst, CvArr *cva, const char *name = "no_name")
1929 if (PySlice_Check(item)) {
1930 Py_ssize_t start, stop, step, slicelength;
1931 PySlice_GetIndicesEx((PySliceObject*)item, cvGetDimSize(cva, i), &start, &stop, &step, &slicelength);
1933 dst->step[i] = step;
1934 dst->length[i] = slicelength;
1936 int index = PyInt_AsLong(item);
1940 dst->i[i] = cvGetDimSize(cva, i) + index;
1947 static int convert_to_dims(PyObject *o, dims *dst, CvArr *cva, const char *name = "no_name")
1949 if (!PyTuple_Check(o)) {
1951 return convert_to_dim(o, 0, dst, cva, name);
1953 PyObject *fi = PySequence_Fast(o, name);
1955 PyErr_SetString(PyExc_TypeError, "Expected tuple for index");
1958 dst->count = PySequence_Fast_GET_SIZE(fi);
1959 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1960 if (i >= cvGetDims(cva)) {
1961 return failmsg("Access specifies %d dimensions, but array only has %d", PySequence_Fast_GET_SIZE(fi), cvGetDims(cva));
1963 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1964 if (!convert_to_dim(item, i, dst, cva, name))
1976 static int convert_to_IplImages(PyObject *o, IplImages *dst, const char *name = "no_name")
1978 PyObject *fi = PySequence_Fast(o, name);
1981 dst->count = PySequence_Fast_GET_SIZE(fi);
1982 dst->ims = new IplImage*[dst->count];
1983 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
1984 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
1985 if (!convert_to_IplImage(item, &dst->ims[i]))
1996 static int convert_to_CvArrs(PyObject *o, CvArrs *dst, const char *name = "no_name")
1998 PyObject *fi = PySequence_Fast(o, name);
2001 dst->count = PySequence_Fast_GET_SIZE(fi);
2002 dst->ims = new CvArr*[dst->count];
2003 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
2004 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
2005 if (!convert_to_CvArr(item, &dst->ims[i]))
2012 static int convert_to_floatPTRPTR(PyObject *o, float*** dst, const char *name = "no_name")
2014 PyObject *fi = PySequence_Fast(o, name);
2017 Py_ssize_t sz = PySequence_Fast_GET_SIZE(fi);
2018 float **r = new float*[sz];
2019 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++) {
2020 PyObject *item = PySequence_Fast_GET_ITEM(fi, i);
2022 if (!convert_to_floats(item, &ff))
2030 static int convert_to_CvMomentsPTR(PyObject *o, CvMoments** dst, const char *name = "no_name")
2032 if (PyType_IsSubtype(o->ob_type, &cvmoments_Type)) {
2033 (*dst) = &(((cvmoments_t*)o)->a);
2036 (*dst) = (CvMoments*)NULL;
2037 return failmsg("Expected CvMoments for argument '%s'", name);
2041 static int convert_to_CvFontPTR(PyObject *o, CvFont** dst, const char *name = "no_name")
2043 if (PyType_IsSubtype(o->ob_type, &cvfont_Type)) {
2044 (*dst) = &(((cvfont_t*)o)->a);
2047 (*dst) = (CvFont*)NULL;
2048 return failmsg("Expected CvFont for argument '%s'", name);
2052 static int convert_to_CvContourTreePTR(PyObject *o, CvContourTree** dst, const char *name = "no_name")
2054 if (PyType_IsSubtype(o->ob_type, &cvcontourtree_Type)) {
2055 (*dst) = ((cvcontourtree_t*)o)->a;
2059 return failmsg("Expected CvContourTree for argument '%s'", name);
2063 static int convert_to_CvRNGPTR(PyObject *o, CvRNG** dst, const char *name = "no_name")
2065 if (PyType_IsSubtype(o->ob_type, &cvrng_Type)) {
2066 (*dst) = &(((cvrng_t*)o)->a);
2069 (*dst) = (CvRNG*)NULL;
2070 return failmsg("Expected CvRNG for argument '%s'", name);
2074 typedef void* generic;
2075 static int convert_to_generic(PyObject *o, generic *dst, const char *name = "no_name")
2077 if (PyType_IsSubtype(o->ob_type, &iplimage_Type))
2078 return convert_to_IplImage(o, (IplImage**)dst, name);
2079 else if (PyType_IsSubtype(o->ob_type, &cvmat_Type))
2080 return convert_to_CvMat(o, (CvMat**)dst, name);
2081 else if (PyType_IsSubtype(o->ob_type, &cvmatnd_Type))
2082 return convert_to_CvMatND(o, (CvMatND**)dst, name);
2084 return failmsg("Cannot identify type of '%s'", name);
2088 static int convert_to_CvTermCriteria(PyObject *o, CvTermCriteria* dst, const char *name = "no_name")
2090 if (!PyArg_ParseTuple(o, "iid", &dst->type, &dst->max_iter, &dst->epsilon))
2095 static int convert_to_CvBox2D(PyObject *o, CvBox2D* dst, const char *name = "no_name")
2097 if (!PyArg_ParseTuple(o, "(ff)(ff)f", &dst->center.x, &dst->center.y, &dst->size.width, &dst->size.height, &dst->angle))
2102 static int convert_to_CvSubdiv2DPTR(PyObject *o, CvSubdiv2D** dst, const char *name = "no_name")
2104 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2d_Type)) {
2105 (*dst) = (((cvsubdiv2d_t*)o)->a);
2108 (*dst) = (CvSubdiv2D*)NULL;
2109 return failmsg("Expected CvSubdiv2D for argument '%s'", name);
2113 static int convert_to_CvNextEdgeType(PyObject *o, CvNextEdgeType *dst, const char *name = "no_name")
2115 if (!PyInt_Check(o)) {
2116 *dst = (CvNextEdgeType)NULL;
2117 return failmsg("Expected number for CvNextEdgeType argument '%s'", name);
2119 *dst = (CvNextEdgeType)PyInt_AsLong(o);
2124 static int convert_to_CvSubdiv2DEdge(PyObject *o, CvSubdiv2DEdge *dst, const char *name = "no_name")
2126 if (PyType_IsSubtype(o->ob_type, &cvsubdiv2dedge_Type)) {
2127 (*dst) = (((cvsubdiv2dedge_t*)o)->a);
2131 return failmsg("Expected CvSubdiv2DEdge for argument '%s'", name);
2135 /************************************************************************/
2137 static PyObject *pythonize_CvMat(cvmat_t *m)
2139 // Need to make this CvMat look like any other, with a Python
2140 // buffer object as its data.
2142 assert(mat->step != 0);
2144 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2146 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2147 size_t gap = mat->data.ptr - (uchar*)mat->refcount;
2148 o->ptr = mat->refcount;
2149 o->size = gap + mat->rows * mat->step;
2150 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)gap, mat->rows * mat->step);
2158 // Now m has a reference to data, which has a reference to o.
2160 return (PyObject*)m;
2163 static PyObject *pythonize_foreign_CvMat(cvmat_t *m)
2165 // Need to make this CvMat look like any other, with a Python
2166 // buffer object as its data.
2167 // Difference here is that the buffer is 'foreign' (from NumPy, for example)
2169 assert(mat->step != 0);
2171 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->rows * mat->step);
2173 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2174 o->ptr = mat->data.ptr;
2175 o->size = mat->rows * mat->step;
2176 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, mat->rows * mat->step);
2179 Py_INCREF(o); // XXX - hack to prevent free of this foreign memory
2185 // Now m has a reference to data, which has a reference to o.
2187 return (PyObject*)m;
2190 static PyObject *pythonize_IplImage(iplimage_t *cva)
2192 // Need to make this iplimage look like any other, with a Python
2193 // string as its data.
2194 // So copy the image data into a Python string object, then release
2197 IplImage *ipl = (IplImage*)(cva->a);
2198 // PyObject *data = PyString_FromStringAndSize(ipl->imageData, ipl->imageSize);
2200 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2201 assert(ipl->imageDataOrigin == ipl->imageData);
2202 o->ptr = ipl->imageDataOrigin;
2203 o->size = ipl->height * ipl->widthStep;
2204 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2211 return (PyObject*)cva;
2214 static PyObject *pythonize_CvMatND(cvmatnd_t *m)
2217 // Need to make this CvMatND look like any other, with a Python
2218 // string as its data.
2219 // So copy the image data into a Python string object, then release
2223 CvMatND *mat = m->a;
2224 assert(mat->dim[0].step != 0);
2226 PyObject *data = PyString_FromStringAndSize((char*)(mat->data.ptr), mat->dim[0].size * mat->dim[0].step);
2228 memtrack_t *o = PyObject_NEW(memtrack_t, &memtrack_Type);
2229 o->ptr = cvPtr1D(mat, 0);
2230 o->size = cvmatnd_size(mat);
2231 PyObject *data = PyBuffer_FromReadWriteObject((PyObject*)o, (size_t)0, o->size);
2237 // cvDecRefData(mat); // Ref count should be zero here, so this is a release
2239 return (PyObject*)m;
2242 /************************************************************************/
2243 /* FROM_xxx: C -> Python converters.
2245 * Turn various OpenCV types (and some aggregate types above)
2246 * into Python objects. Used by the generated code.
2248 * All these functions and macros return a new reference.
2252 static PyObject *_FROM_CvSeqPTR(CvSeq *s, PyObject *storage)
2254 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
2256 ps->container = storage;
2257 Py_INCREF(ps->container);
2258 return (PyObject*)ps;
2261 static PyObject *_FROM_CvSubdiv2DPTR(CvSubdiv2D *s, PyObject *storage)
2263 cvsubdiv2d_t *ps = PyObject_NEW(cvsubdiv2d_t, &cvsubdiv2d_Type);
2265 ps->container = storage;
2266 Py_INCREF(ps->container);
2267 return (PyObject*)ps;
2270 static PyObject *FROM_floats(floats r)
2274 pr = PyList_New(r.count);
2275 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2276 PyList_SetItem(pr, i, PyFloat_FromDouble(r.f[i]));
2281 static PyObject *FROM_chars(chars r)
2285 pr = PyList_New(r.count);
2286 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2287 PyList_SetItem(pr, i, PyInt_FromLong(r.f[i]));
2292 static PyObject *FROM_cvpoint2d32f_count(cvpoint2d32f_count r)
2296 pr = PyList_New(r.count);
2297 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2298 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.points[i]));
2303 static PyObject *FROM_CvPoint2D32fs(CvPoint2D32fs r)
2307 pr = PyList_New(r.count);
2308 for (Py_ssize_t i = 0; i < (Py_ssize_t)r.count; i++) {
2309 PyList_SetItem(pr, i, FROM_CvPoint2D32f(r.p[i]));
2314 typedef CvSeq CvSeqOfCvConvexityDefect;
2315 static PyObject *FROM_CvSeqOfCvConvexityDefectPTR(CvSeqOfCvConvexityDefect *r)
2318 pr = PyList_New(r->total);
2319 for (int i = 0; i < r->total; i++) {
2320 CvConvexityDefect *pd = CV_GET_SEQ_ELEM(CvConvexityDefect, r, i);
2321 PyList_SetItem(pr, i, Py_BuildValue("(ii)(ii)(ii)f",
2322 pd->start->x, pd->start->y,
2323 pd->end->x, pd->end->y,
2324 pd->depth_point->x, pd->depth_point->y,
2327 // This function has copied the CvSeq data into a list. Hence the
2328 // CvSeq is not being returned to the caller. Hence, no reference
2329 // count increase for the storage, unlike _FROM_CvSeqPTR.
2333 typedef CvSeq CvSeqOfCvAvgComp;
2334 static PyObject *FROM_CvSeqOfCvAvgCompPTR(CvSeqOfCvAvgComp *r)
2337 pr = PyList_New(r->total);
2338 for (int i = 0; i < r->total; i++) {
2339 CvAvgComp *pd = CV_GET_SEQ_ELEM(CvAvgComp, r, i);
2340 PyList_SetItem(pr, i, Py_BuildValue("(iiii)i",
2341 pd->rect.x, pd->rect.y,
2342 pd->rect.width, pd->rect.height,
2345 // This function has copied the CvSeq data into a list. Hence the
2346 // CvSeq is not being returned to the caller. Hence, no reference
2347 // count increase for the storage, unlike _FROM_CvSeqPTR.
2351 typedef CvSeq CvSeqOfCvStarKeypoint;
2352 static PyObject *FROM_CvSeqOfCvStarKeypointPTR(CvSeqOfCvStarKeypoint *r)
2355 pr = PyList_New(r->total);
2356 for (int i = 0; i < r->total; i++) {
2357 CvStarKeypoint *pd = CV_GET_SEQ_ELEM(CvStarKeypoint, r, i);
2358 PyList_SetItem(pr, i, Py_BuildValue("(ii)if",
2363 // This function has copied the CvSeq data into a list. Hence the
2364 // CvSeq is not being returned to the caller. Hence, no reference
2365 // count increase for the storage, unlike _FROM_CvSeqPTR.
2369 typedef CvSeq CvSeqOfCvSURFPoint;
2370 static PyObject *FROM_CvSeqOfCvSURFPointPTR(CvSeqOfCvSURFPoint *r)
2373 pr = PyList_New(r->total);
2374 for (int i = 0; i < r->total; i++) {
2375 CvSURFPoint *pd = CV_GET_SEQ_ELEM(CvSURFPoint, r, i);
2376 PyList_SetItem(pr, i, Py_BuildValue("(ff)iiff",
2383 // This function has copied the CvSeq data into a list. Hence the
2384 // CvSeq is not being returned to the caller. Hence, no reference
2385 // count increase for the storage, unlike _FROM_CvSeqPTR.
2389 typedef CvSeq CvSeqOfCvSURFDescriptor;
2390 static PyObject *FROM_CvSeqOfCvSURFDescriptorPTR(CvSeqOfCvSURFDescriptor *r)
2393 pr = PyList_New(r->total);
2394 for (int i = 0; i < r->total; i++) {
2395 float *pd = (float*)cvGetSeqElem(r, i);
2396 int count = r->elem_size / sizeof(float);
2397 PyObject *oi = PyList_New(count);
2398 for (int j = 0; j < count; j++) {
2399 PyList_SetItem(oi, j, PyFloat_FromDouble(pd[j]));
2401 PyList_SetItem(pr, i, oi);
2403 // This function has copied the CvSeq data into a list. Hence the
2404 // CvSeq is not being returned to the caller. Hence, no reference
2405 // count increase for the storage, unlike _FROM_CvSeqPTR.
2409 typedef CvPoint2D32f CvPoint2D32f_4[4];
2410 static PyObject *FROM_CvPoint2D32f_4(CvPoint2D32f* r)
2412 return Py_BuildValue("(ff)(ff)(ff)(ff)",
2419 typedef float CvMatr32f_i[9];
2421 static PyObject *FROM_CvMatr32f_i(CvMatr32f_i r)
2423 return Py_BuildValue("(fff)(fff)(fff)",
2429 typedef float CvVect32f_i[3];
2430 static PyObject *FROM_CvVect32f_i(CvVect32f_i r)
2432 return Py_BuildValue("fff",
2436 static PyObject *FROM_CvFont(CvFont r)
2438 cvfont_t *cf = PyObject_NEW(cvfont_t, &cvfont_Type);
2440 return (PyObject*)cf;
2443 static PyObject *FROM_CvSubdiv2DPointPTR(CvSubdiv2DPoint* r)
2446 cvsubdiv2dpoint_t *cf = PyObject_NEW(cvsubdiv2dpoint_t, &cvsubdiv2dpoint_Type);
2448 return (PyObject*)cf;
2455 static PyObject *FROM_IplImagePTR(IplImage *r)
2457 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2459 return pythonize_IplImage(cva);
2462 static PyObject *FROM_ROIplImagePTR(ROIplImage *r)
2465 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2466 cva->a = cvCreateImageHeader(cvSize(100,100), 8, 1);
2468 cva->data = PyBuffer_FromReadWriteMemory(r->imageData, r->height * r->widthStep);
2470 return (PyObject*)cva;
2476 static PyObject *FROM_ROCvMatPTR(ROCvMat *r)
2479 cvmat_t *cva = PyObject_NEW(cvmat_t, &cvmat_Type);
2480 cva->a = cvCreateMatHeader(100, 100, CV_8U);
2482 cva->data = PyBuffer_FromReadWriteMemory(r->data.ptr, r->rows * r->step);
2484 return (PyObject*)cva;
2490 static PyObject *FROM_CvMatPTR(CvMat *r)
2492 cvmat_t *cvm = PyObject_NEW(cvmat_t, &cvmat_Type);
2495 return pythonize_CvMat(cvm);
2498 static PyObject *FROM_CvMat(CvMat *r)
2500 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2502 return pythonize_CvMat(m);
2505 static PyObject *FROM_CvMatNDPTR(CvMatND *r)
2507 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2509 return pythonize_CvMatND(m);
2512 static PyObject *FROM_CvRNG(CvRNG r)
2514 cvrng_t *m = PyObject_NEW(cvrng_t, &cvrng_Type);
2516 return (PyObject*)m;
2519 static PyObject *FROM_CvMoments(CvMoments r)
2521 cvmoments_t *m = PyObject_NEW(cvmoments_t, &cvmoments_Type);
2523 return (PyObject*)m;
2526 static PyObject *FROM_CvContourTreePTR(CvContourTree *r)
2528 cvcontourtree_t *m = PyObject_NEW(cvcontourtree_t, &cvcontourtree_Type);
2530 return (PyObject*)m;
2533 static PyObject *FROM_generic(generic r)
2535 CvTypeInfo* t = cvTypeOf(r);
2537 failmsg("OpenCV returned NULL");
2539 } if (strcmp(t->type_name, "opencv-image") == 0)
2540 return FROM_IplImagePTR((IplImage*)r);
2541 else if (strcmp(t->type_name, "opencv-matrix") == 0)
2542 return FROM_CvMat((CvMat*)r);
2543 else if (strcmp(t->type_name, "opencv-haar-classifier") == 0)
2544 return FROM_CvHaarClassifierCascadePTR((CvHaarClassifierCascade*)r);
2546 failmsg("Unknown OpenCV type '%s'", t->type_name);
2551 static PyObject *FROM_CvSubdiv2DEdge(CvSubdiv2DEdge r)
2553 cvsubdiv2dedge_t *m = PyObject_NEW(cvsubdiv2dedge_t, &cvsubdiv2dedge_Type);
2555 m->container = Py_None; // XXX
2556 Py_INCREF(m->container);
2557 return (PyObject*)m;
2560 /************************************************************************/
2562 /* A few functions are too odd to be generated,
2563 * so are handwritten here */
2565 static PyObject *pycvWaitKey(PyObject *self, PyObject *args, PyObject *kw)
2569 const char *keywords[] = { "delay", NULL };
2570 if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", (char**)keywords, &delay))
2573 Py_BEGIN_ALLOW_THREADS
2574 r = cvWaitKey(delay);
2575 Py_END_ALLOW_THREADS
2579 static PyObject *pycvLoadImage(PyObject *self, PyObject *args, PyObject *kw)
2581 const char *keywords[] = { "filename", "iscolor", NULL };
2583 int iscolor = CV_LOAD_IMAGE_COLOR;
2585 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2588 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2589 // So make a local copy 'filename_copy'.
2590 char filename_copy[2048];
2591 strncpy(filename_copy, filename, sizeof(filename_copy));
2594 Py_BEGIN_ALLOW_THREADS
2595 r = cvLoadImage(filename_copy, iscolor);
2596 Py_END_ALLOW_THREADS
2599 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2602 return FROM_IplImagePTR(r);
2606 static PyObject *pycvLoadImageM(PyObject *self, PyObject *args, PyObject *kw)
2608 const char *keywords[] = { "filename", "iscolor", NULL };
2610 int iscolor = CV_LOAD_IMAGE_COLOR;
2612 if (!PyArg_ParseTupleAndKeywords(args, kw, "s|i", (char**)keywords, &filename, &iscolor))
2615 // Inside ALLOW_THREADS, must not reference 'filename' because it might move.
2616 // So make a local copy 'filename_copy'.
2617 char filename_copy[2048];
2618 strncpy(filename_copy, filename, sizeof(filename_copy));
2621 Py_BEGIN_ALLOW_THREADS
2622 r = cvLoadImageM(filename_copy, iscolor);
2623 Py_END_ALLOW_THREADS
2626 PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
2629 return FROM_CvMatPTR(r);
2633 static PyObject *pycvCreateImageHeader(PyObject *self, PyObject *args)
2635 int w, h, depth, channels;
2636 if (!PyArg_ParseTuple(args, "(ii)Ii", &w, &h, &depth, &channels))
2638 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2639 cva->a = cvCreateImageHeader(cvSize(w, h), depth, channels);
2640 if (cva->a == NULL) {
2641 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2644 cva->data = Py_None;
2645 Py_INCREF(cva->data);
2648 return (PyObject*)cva;
2652 static PyObject *pycvCreateImage(PyObject *self, PyObject *args)
2654 int w, h, depth, channels;
2655 if (!PyArg_ParseTuple(args, "(ii)Ii:CreateImage", &w, &h, &depth, &channels))
2657 iplimage_t *cva = PyObject_NEW(iplimage_t, &iplimage_Type);
2658 ERRWRAP(cva->a = cvCreateImage(cvSize(w, h), depth, channels));
2659 if (cva->a == NULL) {
2660 PyErr_SetString(PyExc_TypeError, "CreateImage failed");
2663 return pythonize_IplImage(cva);
2667 static PyObject *pycvCreateMatHeader(PyObject *self, PyObject *args)
2669 int rows, cols, type;
2670 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2672 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2673 ERRWRAP(m->a = cvCreateMatHeader(rows, cols, type));
2675 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2681 return (PyObject*)m;
2685 static PyObject *pycvCreateMat(PyObject *self, PyObject *args)
2687 int rows, cols, type;
2688 if (!PyArg_ParseTuple(args, "iii", &rows, &cols, &type))
2690 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2691 ERRWRAP(m->a = cvCreateMat(rows, cols, type));
2693 PyErr_SetString(PyExc_TypeError, "CreateMat failed");
2696 return pythonize_CvMat(m);
2700 static PyObject *pycvCreateMatNDHeader(PyObject *self, PyObject *args)
2705 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2707 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2708 ERRWRAP(m->a = cvCreateMatNDHeader(dims.count, dims.i, type));
2712 return (PyObject*)m;
2716 static PyObject *pycvCreateMatND(PyObject *self, PyObject *args)
2721 if (!PyArg_ParseTuple(args, "O&i", convert_to_ints, (void*)&dims, &type))
2723 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2724 ERRWRAP(m->a = cvCreateMatND(dims.count, dims.i, type));
2725 return pythonize_CvMatND(m);
2728 #if PYTHON_USE_NUMPY
2729 static PyObject *pycvfromarray(PyObject *self, PyObject *args, PyObject *kw)
2731 const char *keywords[] = { "arr", "allowND", NULL };
2735 if (!PyArg_ParseTupleAndKeywords(args, kw, "O|i", (char**)keywords, &o, &allowND))
2737 return fromarray(o, allowND);
2740 static PyObject *fromarray(PyObject *o, int allowND)
2742 PyObject *ao = PyObject_GetAttrString(o, "__array_struct__");
2743 if ((ao == NULL) || !PyCObject_Check(ao)) {
2744 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2747 PyArrayInterface *pai = (PyArrayInterface*)PyCObject_AsVoidPtr(ao);
2748 if (pai->two != 2) {
2749 PyErr_SetString(PyExc_TypeError, "object does not have array interface");
2755 switch (pai->typekind) {
2757 if (pai->itemsize == 1)
2759 else if (pai->itemsize == 2)
2761 else if (pai->itemsize == 4)
2763 else if (pai->itemsize == 8) {
2764 PyErr_SetString(PyExc_TypeError, "OpenCV cannot handle 64-bit integer arrays");
2770 if (pai->itemsize == 1)
2772 else if (pai->itemsize == 2)
2777 if (pai->itemsize == 4)
2779 else if (pai->itemsize == 8)
2787 cvmat_t *m = PyObject_NEW(cvmat_t, &cvmat_Type);
2789 ERRWRAP(m->a = cvCreateMatHeader(pai->shape[0], pai->shape[1], type));
2790 m->a->step = pai->strides[0];
2791 } else if (pai->nd == 3) {
2792 if (pai->shape[2] > CV_CN_MAX)
2793 return (PyObject*)failmsg("cv.fromarray too many channels, see allowND argument");
2794 ERRWRAP(m->a = cvCreateMatHeader(pai->shape[0], pai->shape[1], type + ((pai->shape[2] - 1) << CV_CN_SHIFT)));
2795 m->a->step = pai->strides[0];
2797 return (PyObject*)failmsg("cv.fromarray array can be 2D or 3D only, see allowND argument");
2799 m->a->data.ptr = (uchar*)pai->data;
2800 return pythonize_foreign_CvMat(m);
2802 int dims[CV_MAX_DIM];
2804 for (i = 0; i < pai->nd; i++)
2805 dims[i] = pai->shape[i];
2806 cvmatnd_t *m = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2807 ERRWRAP(m->a = cvCreateMatND(pai->nd, dims, type));
2808 m->a->data.ptr = (uchar*)pai->data;
2809 return pythonize_CvMatND(m);
2814 static PyObject *pycvCreateHist(PyObject *self, PyObject *args, PyObject *kw)
2816 const char *keywords[] = { "dims", "type", "ranges", "uniform", NULL };
2819 float **ranges = NULL;
2822 if (!PyArg_ParseTupleAndKeywords(args, kw, "Oi|O&i", (char**)keywords, &dims, &type, convert_to_floatPTRPTR, (void*)&ranges, &uniform)) {
2825 cvhistogram_t *h = PyObject_NEW(cvhistogram_t, &cvhistogram_Type);
2826 args = Py_BuildValue("Oi", dims, CV_32FC1);
2827 h->bins = pycvCreateMatND(self, args);
2829 if (h->bins == NULL) {
2832 h->h.type = CV_HIST_MAGIC_VAL;
2833 if (!convert_to_CvArr(h->bins, &(h->h.bins), "bins"))
2836 ERRWRAP(cvSetHistBinRanges(&(h->h), ranges, uniform));
2838 return (PyObject*)h;
2841 static PyObject *pycvInitLineIterator(PyObject *self, PyObject *args, PyObject *kw)
2843 const char *keywords[] = { "image", "pt1", "pt2", "connectivity", "left_to_right", NULL };
2847 int connectivity = 8;
2848 int left_to_right = 0;
2850 if (!PyArg_ParseTupleAndKeywords(args, kw, "O&O&O&|ii", (char**)keywords,
2851 convert_to_CvArr, &image,
2852 convert_to_CvPoint, &pt1,
2853 convert_to_CvPoint, &pt2,
2858 cvlineiterator_t *pi = PyObject_NEW(cvlineiterator_t, &cvlineiterator_Type);
2859 pi->count = cvInitLineIterator(image, pt1, pt2, &pi->iter, connectivity, left_to_right);
2860 ERRWRAP(pi->type = cvGetElemType(image));
2861 return (PyObject*)pi;
2864 static PyObject *pycvCreateMemStorage(PyObject *self, PyObject *args)
2867 if (!PyArg_ParseTuple(args, "|i", &block_size))
2869 cvmemstorage_t *pm = PyObject_NEW(cvmemstorage_t, &cvmemstorage_Type);
2870 pm->a = cvCreateMemStorage(block_size);
2871 return (PyObject*)pm;
2874 // single index: return row
2875 // 2 indices: row, column
2876 // both row and column can be slices. column slice must have a step of 1.
2878 // returns a scalar when all dimensions are specified and all are integers. Otherwise returns a CvMat.
2880 static PyObject *cvarr_GetItem(PyObject *o, PyObject *key)
2885 if (!convert_to_CvArr(o, &cva, "src"))
2888 if (!convert_to_dims(key, &dd, cva, "key")) {
2892 // Figure out if all supplied indices have a stride of zero - means they are not slices
2893 // and if all indices are positive
2895 for (int i = 0; i < dd.count; i++) {
2896 all0 &= (dd.step[i] == 0) && (0 <= dd.i[i]);
2899 // if every dimension supplied, and none are slices, return the scalar
2900 if ((cvGetDims(cva) == dd.count) && all0) {
2902 ERRWRAP(s = cvGetND(cva, dd.i));
2903 return PyObject_FromCvScalar(s, cvGetElemType(cva));
2905 // pad missing dimensions
2906 for (int i = dd.count; i < cvGetDims(cva); i++) {
2909 dd.length[i] = cvGetDimSize(cva, i);
2911 dd.count = cvGetDims(cva);
2913 // negative steps are illegal for OpenCV
2914 for (int i = 0; i < dd.count; i++) {
2916 return (PyObject*)failmsg("Negative step is illegal");
2919 // zero length illegal for OpenCV
2920 for (int i = 0; i < dd.count; i++) {
2921 if (dd.length[i] == 0)
2922 return (PyObject*)failmsg("Zero sized dimension is illegal");
2925 // column step can only be 0 or 1
2926 if ((dd.step[dd.count-1] != 0) && (dd.step[dd.count-1] != 1))
2927 return (PyObject*)failmsg("Column step is illegal");
2929 if (is_cvmat(o) || is_iplimage(o)) {
2930 cvmat_t *sub = PyObject_NEW(cvmat_t, &cvmat_Type);
2931 sub->a = cvCreateMatHeader(dd.length[0], dd.length[1], cvGetElemType(cva));
2932 uchar *old0; // pointer to first element in old mat
2934 cvGetRawData(cva, &old0, &oldstep);
2935 uchar *new0; // pointer to first element in new mat
2936 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2938 sub->a->step = oldstep * dd.step[0];
2939 sub->data = what_data(o);
2940 Py_INCREF(sub->data);
2941 sub->offset = new0 - old0;
2942 return (PyObject*)sub;
2944 cvmatnd_t *sub = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
2945 sub->a = cvCreateMatNDHeader(dd.count, dd.length, cvGetElemType(cva));
2946 uchar *old0; // pointer to first element in old mat
2947 cvGetRawData(cva, &old0);
2948 uchar *new0; // pointer to first element in new mat
2949 ERRWRAP(new0 = cvPtrND(cva, dd.i));
2951 for (int d = 0; d < dd.count; d++) {
2952 int stp = dd.step[d];
2953 sub->a->dim[d].step = ((CvMatND*)cva)->dim[d].step * ((stp == 0) ? 1 : stp);
2954 sub->a->dim[d].size = dd.length[d];
2956 sub->data = what_data(o);
2957 Py_INCREF(sub->data);
2958 sub->offset = new0 - old0;
2959 return (PyObject*)sub;
2964 static int cvarr_SetItem(PyObject *o, PyObject *key, PyObject *v)
2969 if (!convert_to_CvArr(o, &cva, "src"))
2972 if (!convert_to_dims(key, &dd, cva, "key")) {
2976 if (cvGetDims(cva) != dd.count) {
2977 PyErr_SetString(PyExc_TypeError, "key length does not match array dimension");
2982 if (PySequence_Check(v)) {
2983 PyObject *fi = PySequence_Fast(v, "v");
2986 if (PySequence_Fast_GET_SIZE(fi) != CV_MAT_CN(cvGetElemType(cva))) {
2987 PyErr_SetString(PyExc_TypeError, "sequence size must be same as channel count");
2990 for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(fi); i++)
2991 s.val[i] = PyFloat_AsDouble(PySequence_Fast_GET_ITEM(fi, i));
2994 if (1 != CV_MAT_CN(cvGetElemType(cva))) {
2995 PyErr_SetString(PyExc_TypeError, "scalar supplied but channel count does not equal 1");
2998 s.val[0] = PyFloat_AsDouble(v);
3002 cvSet1D(cva, dd.i[0], s);
3005 cvSet2D(cva, dd.i[0], dd.i[1], s);
3008 cvSet3D(cva, dd.i[0], dd.i[1], dd.i[2], s);
3011 cvSetND(cva, dd.i, s);
3012 // XXX - OpenCV bug? - seems as if an error in cvSetND does not set error status?
3015 if (cvGetErrStatus() != 0) {
3016 translate_error_to_exception();
3024 static PyObject *pycvSetData(PyObject *self, PyObject *args)
3027 int step = CV_AUTO_STEP;
3029 if (!PyArg_ParseTuple(args, "OO|i", &o, &s, &step))
3031 if (is_iplimage(o)) {
3032 iplimage_t *ipl = (iplimage_t*)o;
3033 ipl->a->widthStep = step;
3034 Py_DECREF(ipl->data);
3036 Py_INCREF(ipl->data);
3037 } else if (is_cvmat(o)) {
3038 cvmat_t *m = (cvmat_t*)o;
3043 } else if (is_cvmatnd(o)) {
3044 cvmatnd_t *m = (cvmatnd_t*)o;
3049 PyErr_SetString(PyExc_TypeError, "SetData argument must be either IplImage, CvMat or CvMatND");
3056 static PyObject *what_data(PyObject *o)
3058 if (is_iplimage(o)) {
3059 iplimage_t *ipl = (iplimage_t*)o;
3061 } else if (is_cvmat(o)) {
3062 cvmat_t *m = (cvmat_t*)o;
3064 } else if (is_cvmatnd(o)) {
3065 cvmatnd_t *m = (cvmatnd_t*)o;
3073 static PyObject *pycvCreateData(PyObject *self, PyObject *args)
3077 if (!PyArg_ParseTuple(args, "O", &o))
3081 if (!convert_to_CvArr(o, &a, "arr"))
3083 ERRWRAP(cvCreateData(a));
3085 Py_DECREF(what_data(o));
3086 if (is_iplimage(o)) {
3087 iplimage_t *ipl = (iplimage_t*)o;
3088 pythonize_IplImage(ipl);
3089 } else if (is_cvmat(o)) {
3090 cvmat_t *m = (cvmat_t*)o;
3092 } else if (is_cvmatnd(o)) {
3093 cvmatnd_t *m = (cvmatnd_t*)o;
3094 pythonize_CvMatND(m);
3096 PyErr_SetString(PyExc_TypeError, "CreateData argument must be either IplImage, CvMat or CvMatND");
3103 static PyObject *pycvGetDims(PyObject *self, PyObject *args)
3107 if (!PyArg_ParseTuple(args, "O", &o))
3110 if (!convert_to_CvArr(o, &cva, "src"))
3114 ERRWRAP(nd = cvGetDims(cva));
3115 PyObject *r = PyTuple_New(nd);
3116 for (i = 0; i < nd; i++)
3117 PyTuple_SetItem(r, i, PyInt_FromLong(cvGetDimSize(cva, i)));
3121 static PyObject *pycvGetImage(PyObject *self, PyObject *args)
3125 if (!PyArg_ParseTuple(args, "O", &o))
3127 if (is_iplimage(o)) {
3131 IplImage *ipl = cvCreateImageHeader(cvSize(100,100), 8, 1); // these args do not matter, because overwritten
3133 if (!convert_to_CvArr(o, &cva, "src"))
3135 ERRWRAP(cvGetImage(cva, ipl));
3137 iplimage_t *oipl = PyObject_NEW(iplimage_t, &iplimage_Type);
3139 oipl->data = what_data(o);
3140 Py_INCREF(oipl->data);
3143 r = (PyObject*)oipl;
3148 static PyObject *pycvGetMat(PyObject *self, PyObject *args, PyObject *kw)
3150 const char *keywords[] = { "arr", "allowND", NULL };
3154 if (!PyArg_ParseTupleAndKeywords(args, kw, "O|i", (char**)keywords, &o, &allowND))
3160 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3162 if (!convert_to_CvArr(o, &cva, "src"))
3164 ERRWRAP(cvGetMat(cva, m, NULL, allowND));
3166 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3168 om->data = what_data(o);
3169 Py_INCREF(om->data);
3177 static PyObject *pycvReshape(PyObject *self, PyObject *args)
3183 if (!PyArg_ParseTuple(args, "Oi|i", &o, &new_cn, &new_rows))
3186 CvMat *m = cvCreateMatHeader(100,100, 1); // these args do not matter, because overwritten
3188 if (!convert_to_CvArr(o, &cva, "src"))
3190 ERRWRAP(cvReshape(cva, m, new_cn, new_rows));
3192 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3194 om->data = what_data(o);
3195 Py_INCREF(om->data);
3198 return (PyObject*)om;
3201 static PyObject *pycvReshapeMatND(PyObject *self, PyObject *args)
3205 PyObject *new_dims = NULL;
3207 if (!PyArg_ParseTuple(args, "O|iO", &o, &new_cn, &new_dims))
3211 if (!convert_to_CvMatND(o, &cva, "src"))
3214 if (new_dims != NULL) {
3215 if (!convert_to_ints(new_dims, &dims, "new_dims"))
3220 if ((dims.count + 1) <= 2) {
3221 CvMat *m = cvCreateMatHeader(100, 100, 1); // these args do not matter, because overwritten
3222 if (new_dims != NULL) {
3223 printf("newcn=%d newdims=%d newSizes=%p\n", new_cn, dims.count + 1, dims.i);
3224 ERRWRAP(cvReshapeND(cva, m, new_cn, dims.count + 1, dims.i));
3226 ERRWRAP(cvReshapeND(cva, m, new_cn, 0, NULL));
3229 cvmat_t *om = PyObject_NEW(cvmat_t, &cvmat_Type);
3231 om->data = what_data(o);
3232 Py_INCREF(om->data);
3234 return (PyObject*)om;
3236 int dummy[1] = { 1 };
3237 CvMatND *m = cvCreateMatNDHeader(1, dummy, 1); // these args do not matter, because overwritten
3238 if (new_dims != NULL) {
3239 printf("newcn=%d newdims=%d newSizes=%p\n", new_cn, dims.count + 1, dims.i);
3240 ERRWRAP(cvReshapeND(cva, m, new_cn, dims.count + 1, dims.i));
3242 ERRWRAP(cvReshapeND(cva, m, new_cn, 0, NULL));
3245 cvmatnd_t *om = PyObject_NEW(cvmatnd_t, &cvmatnd_Type);
3247 om->data = what_data(o);
3248 Py_INCREF(om->data);
3250 return (PyObject*)om;
3254 int size[] = { 2, 2, 2 };
3255 CvMatND* mat = cvCreateMatND(3, size, CV_32F);
3258 row = cvReshapeND(mat, &row_header, 0, 1, 0);
3264 static void OnMouse(int event, int x, int y, int flags, void* param)
3266 PyGILState_STATE gstate;
3267 gstate = PyGILState_Ensure();
3269 PyObject *o = (PyObject*)param;
3270 PyObject *args = Py_BuildValue("iiiiO", event, x, y, flags, PyTuple_GetItem(o, 1));
3272 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3278 PyGILState_Release(gstate);
3281 static PyObject *pycvSetMouseCallback(PyObject *self, PyObject *args, PyObject *kw)
3283 const char *keywords[] = { "window_name", "on_mouse", "param", NULL };
3286 PyObject *param = NULL;
3288 if (!PyArg_ParseTupleAndKeywords(args, kw, "sO|O", (char**)keywords, &name, &on_mouse, ¶m))
3290 if (!PyCallable_Check(on_mouse)) {
3291 PyErr_SetString(PyExc_TypeError, "on_mouse must be callable");
3294 if (param == NULL) {
3297 ERRWRAP(cvSetMouseCallback(name, OnMouse, Py_BuildValue("OO", on_mouse, param)));
3301 void OnChange(int pos, void *param)
3303 PyGILState_STATE gstate;
3304 gstate = PyGILState_Ensure();
3306 PyObject *o = (PyObject*)param;
3307 PyObject *args = Py_BuildValue("(i)", pos);
3308 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3312 PyGILState_Release(gstate);
3315 static PyObject *pycvCreateTrackbar(PyObject *self, PyObject *args)
3317 PyObject *on_change;
3318 char* trackbar_name;
3320 int *value = new int;
3323 if (!PyArg_ParseTuple(args, "ssiiO", &trackbar_name, &window_name, value, &count, &on_change))
3325 if (!PyCallable_Check(on_change)) {
3326 PyErr_SetString(PyExc_TypeError, "on_change must be callable");
3329 ERRWRAP(cvCreateTrackbar2(trackbar_name, window_name, value, count, OnChange, Py_BuildValue("OO", on_change, Py_None)));
3333 static PyObject *pycvFindContours(PyObject *self, PyObject *args, PyObject *kw)
3336 PyObject *pyobj_image = NULL;
3337 CvMemStorage* storage;
3338 PyObject *pyobj_storage = NULL;
3339 CvSeq* first_contour;
3340 int header_size = sizeof(CvContour);
3341 int mode = CV_RETR_LIST;
3342 int method = CV_CHAIN_APPROX_SIMPLE;
3343 CvPoint offset = cvPoint(0,0);
3344 PyObject *pyobj_offset = NULL;
3346 const char *keywords[] = { "image", "storage", "mode", "method", "offset", NULL };
3347 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|iiO", (char**)keywords, &pyobj_image, &pyobj_storage, &mode, &method, &pyobj_offset))
3349 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3350 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3351 if ((pyobj_offset != NULL) && !convert_to_CvPoint(pyobj_offset, &offset, "offset")) return NULL;
3352 ERRWRAP(cvFindContours(image, storage, &first_contour, header_size, mode, method, offset));
3353 cvseq_t *ps = PyObject_NEW(cvseq_t, &cvseq_Type);
3354 ps->a = first_contour;
3355 ps->container = PyTuple_GetItem(args, 1); // storage
3356 Py_INCREF(ps->container);
3357 return (PyObject*)ps;
3360 static PyObject *pycvApproxPoly(PyObject *self, PyObject *args, PyObject *kw)
3363 PyObject *pyobj_src_seq = NULL;
3364 int header_size = sizeof(CvContour);
3365 CvMemStorage* storage;
3366 PyObject *pyobj_storage = NULL;
3368 double parameter = 0;
3371 const char *keywords[] = { "src_seq", "storage", "method", "parameter", "parameter2", NULL };
3372 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|di", (char**)keywords, &pyobj_src_seq, &pyobj_storage, &method, ¶meter, ¶meter2))
3374 if (!convert_to_cvarrseq(pyobj_src_seq, &src_seq, "src_seq")) return NULL;
3375 if (!convert_to_CvMemStorage(pyobj_storage, &storage, "storage")) return NULL;
3377 ERRWRAP(r = cvApproxPoly(src_seq.mat, header_size, storage, method, parameter, parameter2));
3378 return FROM_CvSeqPTR(r);
3381 static float distance_function_glue( const float* a, const float* b, void* user_param )
3383 PyObject *o = (PyObject*)user_param;
3384 PyObject *args = Py_BuildValue("(ff)(ff)O", a[0], a[1], b[0], b[1], PyTuple_GetItem(o, 1));
3385 PyObject *r = PyObject_Call(PyTuple_GetItem(o, 0), args, NULL);
3387 return (float)PyFloat_AsDouble(r);
3390 static PyObject *pycvCalcEMD2(PyObject *self, PyObject *args, PyObject *kw)
3392 const char *keywords[] = { "signature1", "signature2", "distance_type", "distance_func", "cost_matrix", "flow", "lower_bound", "userdata", NULL };
3394 PyObject *pyobj_signature1;
3396 PyObject *pyobj_signature2;
3398 PyObject *distance_func = NULL;
3399 CvArr* cost_matrix=NULL;
3400 PyObject *pyobj_cost_matrix = NULL;
3402 PyObject *pyobj_flow = NULL;
3403 float lower_bound = 0.0;
3404 PyObject *userdata = NULL;
3406 if (!PyArg_ParseTupleAndKeywords(args, kw, "OOi|OOOfO", (char**)keywords,
3416 if (!convert_to_CvArr(pyobj_signature1, &signature1, "signature1")) return NULL;
3417 if (!convert_to_CvArr(pyobj_signature2, &signature2, "signature2")) return NULL;
3418 if (pyobj_cost_matrix && !convert_to_CvArr(pyobj_cost_matrix, &cost_matrix, "cost_matrix")) return NULL;
3419 if (pyobj_flow && !convert_to_CvArr(pyobj_flow, &flow, "flow")) return NULL;
3421 if (distance_func == NULL) {
3422 distance_func = Py_None;
3424 if (userdata == NULL) {
3428 PyObject *ud = Py_BuildValue("OO", distance_func, userdata);
3430 ERRWRAP(r = cvCalcEMD2(signature1, signature2, distance_type, distance_function_glue, cost_matrix, flow, &lower_bound, (void*)ud));
3433 return PyFloat_FromDouble(r);
3436 static PyObject *pycvSubdiv2DLocate(PyObject *self, PyObject *args)
3438 PyObject *pyobj_subdiv;
3442 CvSubdiv2DEdge edge;
3443 CvSubdiv2DPoint* vertex;
3445 if (!PyArg_ParseTuple(args, "OO", &pyobj_subdiv, &pyobj_pt))
3447 if (!convert_to_CvSubdiv2DPTR(pyobj_subdiv, &subdiv, "subdiv"))
3449 if (!convert_to_CvPoint2D32f(pyobj_pt, &pt, "pt"))
3452 CvSubdiv2DPointLocation loc = cvSubdiv2DLocate(subdiv, pt, &edge, &vertex);
3455 case CV_PTLOC_INSIDE:
3456 case CV_PTLOC_ON_EDGE:
3457 r = FROM_CvSubdiv2DEdge(edge);
3459 case CV_PTLOC_VERTEX:
3460 r = FROM_CvSubdiv2DPointPTR(vertex);
3462 case CV_PTLOC_OUTSIDE_RECT:
3467 return (PyObject*)failmsg("Unexpected loc from cvSubdiv2DLocate");
3469 return Py_BuildValue("iO", (int)loc, r);
3472 static PyObject *pycvCalcOpticalFlowPyrLK(PyObject *self, PyObject *args)
3475 PyObject *pyobj_prev = NULL;
3477 PyObject *pyobj_curr = NULL;
3479 PyObject *pyobj_prev_pyr = NULL;
3481 PyObject *pyobj_curr_pyr = NULL;
3482 CvPoint2D32f* prev_features;
3483 PyObject *pyobj_prev_features = NULL;
3484 PyObject *pyobj_curr_features = NULL;
3485 CvPoint2D32f* curr_features;
3488 CvTermCriteria criteria;
3491 if (!PyArg_ParseTuple(args, "OOOOO(ii)i(iif)i|O",
3492 &pyobj_prev, &pyobj_curr, &pyobj_prev_pyr, &pyobj_curr_pyr,
3493 &pyobj_prev_features,
3494 &win_size.width, &win_size.height, &level,
3495 &criteria.type, &criteria.max_iter, &criteria.epsilon,
3497 &pyobj_curr_features))
3499 if (!convert_to_CvArr(pyobj_prev, &prev, "prev")) return NULL;
3500 if (!convert_to_CvArr(pyobj_curr, &curr, "curr")) return NULL;
3501 if (!convert_to_CvArr(pyobj_prev_pyr, &prev_pyr, "prev_pyr")) return NULL;
3502 if (!convert_to_CvArr(pyobj_curr_pyr, &curr_pyr, "curr_pyr")) return NULL;
3503 if (!convert_to_CvPoint2D32fPTR(pyobj_prev_features, &prev_features, "prev_features")) return NULL;
3504 int count = (int)PySequence_Length(pyobj_prev_features);
3505 if (flags & CV_LKFLOW_INITIAL_GUESSES) {
3506 failmsg("flag CV_LKFLOW_INITIAL_GUESSES is determined automatically from function arguments - it is not required");
3509 if (!pyobj_curr_features) {
3510 curr_features = new CvPoint2D32f[count];
3512 if (PySequence_Length(pyobj_curr_features) != count) {
3513 failmsg("curr_features must have same length as prev_features");
3516 if (!convert_to_CvPoint2D32fPTR(pyobj_curr_features, &curr_features, "curr_features")) return NULL;
3517 flags |= CV_LKFLOW_INITIAL_GUESSES;
3519 float *track_error = new float[count];
3520 char* status = new char[count];
3521 ERRWRAP(cvCalcOpticalFlowPyrLK(prev, curr, prev_pyr, curr_pyr, prev_features, curr_features, count, win_size, level, status, track_error, criteria, flags));
3523 cvpoint2d32f_count r0;
3524 r0.points = curr_features;
3535 return Py_BuildValue("NNN", FROM_cvpoint2d32f_count(r0), FROM_chars(r1), FROM_floats(r2));
3538 // pt1,pt2 are input and output arguments here
3540 static PyObject *pycvClipLine(PyObject *self, PyObject *args)
3543 PyObject *pyobj_img_size = NULL;
3545 PyObject *pyobj_pt1 = NULL;
3547 PyObject *pyobj_pt2 = NULL;
3549 if (!PyArg_ParseTuple(args, "OOO", &pyobj_img_size, &pyobj_pt1, &pyobj_pt2))
3551 if (!convert_to_CvSize(pyobj_img_size, &img_size, "img_size")) return NULL;
3552 if (!convert_to_CvPoint(pyobj_pt1, &pt1, "pt1")) return NULL;
3553 if (!convert_to_CvPoint(pyobj_pt2, &pt2, "pt2")) return NULL;
3555 ERRWRAP(r = cvClipLine(img_size, &pt1, &pt2));
3559 return Py_BuildValue("NN", FROM_CvPoint(pt1), FROM_CvPoint(pt2));
3563 static PyObject *temp_test(PyObject *self, PyObject *args)
3566 CvArr *im = cvLoadImage("../samples/c/lena.jpg", 0);
3567 printf("im=%p\n", im);
3568 CvMat *m = cvEncodeImage(".jpeg", im);
3571 CvArr *im = cvLoadImage("lena.jpg", 0);
3572 float r0[] = { 0, 255 };
3573 float *ranges[] = { r0 };
3574 int hist_size[] = { 256 };
3575 CvHistogram *hist = cvCreateHist(1, hist_size, CV_HIST_ARRAY, ranges, 1);
3576 cvCalcHist(im, hist, 0, 0);
3580 CvMat* mat = cvCreateMat( 3, 3, CV_32F );
3581 CvMat row_header, *row;
3582 row = cvReshape( mat, &row_header, 0, 1 );
3583 printf("%d,%d\n", row_header.rows, row_header.cols);
3584 printf("ge %08x\n", cvGetElemType(mat));
3588 CvMat *m = cvCreateMat(1, 10, CV_8UC1);
3589 printf("CvMat stride ===> %d\n", m->step);
3593 CvPoint2D32f src[3] = { { 0,0 }, { 1,0 }, { 0,1 } };
3594 CvPoint2D32f dst[3] = { { 0,0 }, { 17,0 }, { 0,17 } };
3596 CvMat* mapping = cvCreateMat(2, 3, CV_32FC1);
3597 cvGetAffineTransform(src, dst, mapping);
3598 printf("===> %f\n", cvGetReal2D(mapping, 0, 0));
3602 CvArr *im = cvLoadImage("checker77.png");
3603 CvPoint2D32f corners[49];
3605 cvFindChessboardCorners(im, cvSize(7,7), corners, &count, 0);
3606 printf("count=%d\n", count);
3609 return PyFloat_FromDouble(0.0);
3612 static PyObject *pycvFindChessboardCorners(PyObject *self, PyObject *args, PyObject *kw)
3615 PyObject *pyobj_image = NULL;
3616 CvSize pattern_size;
3617 PyObject *pyobj_pattern_size = NULL;
3618 cvpoint2d32f_count corners;
3619 int flags = CV_CALIB_CB_ADAPTIVE_THRESH;
3621 const char *keywords[] = { "image", "pattern_size", "flags", NULL };
3622 if (!PyArg_ParseTupleAndKeywords(args, kw, "OO|i", (char**)keywords, &pyobj_image, &pyobj_pattern_size, &flags))
3624 if (!convert_to_CvArr(pyobj_image, &image, "image")) return NULL;
3625 if (!convert_to_CvSize(pyobj_pattern_size, &pattern_size, "pattern_size")) return NULL;
3627 corners.points = new CvPoint2D32f[pattern_size.width * pattern_size.height];
3628 ERRWRAP(r = cvFindChessboardCorners(image, pattern_size, corners.points,&corners.count, flags));
3629 return Py_BuildValue("NN", FROM_int(r), FROM_cvpoint2d32f_count(corners));
3632 // For functions GetSubRect, GetRow, GetCol.
3633 // recipient has a view into donor's data, and needs to share it.
3634 // make recipient use the donor's data, compute the offset,
3635 // and manage reference counts.
3637 static void preShareData(CvArr *donor, CvMat **recipient)
3639 *recipient = cvCreateMatHeader(4, 4, cvGetElemType(donor));
3642 static PyObject *shareData(PyObject *donor, CvArr *pdonor, CvMat *precipient)
3644 PyObject *recipient = (PyObject*)PyObject_NEW(cvmat_t, &cvmat_Type);
3645 ((cvmat_t*)recipient)->a = precipient;
3646 ((cvmat_t*)recipient)->offset = cvPtr1D(precipient, 0) - cvPtr1D(pdonor, 0);
3649 if (is_cvmat(donor)) {
3650 arr_data = ((cvmat_t*)donor)->data;
3651 } else if (is_iplimage(donor)) {
3652 arr_data = ((iplimage_t*)donor)->data;
3654 return (PyObject*)failmsg("Argument 'mat' must be either IplImage or CvMat");
3656 ((cvmat_t*)recipient)->data = arr_data;
3657 Py_INCREF(arr_data);
3661 static PyObject *pycvGetHuMoments(PyObject *self, PyObject *args)
3664 PyObject *pyobj_moments = NULL;
3666 if (!PyArg_ParseTuple(args, "O", &pyobj_moments))
3668 if (!convert_to_CvMomentsPTR(pyobj_moments, &moments, "moments")) return NULL;
3670 ERRWRAP(cvGetHuMoments(moments, &r));
3671 return Py_BuildValue("ddddddd", r.hu1, r.hu2, r.hu3, r.hu4, r.hu5, r.hu6, r.hu7);
3674 static PyObject *pycvFitLine(PyObject *self, PyObject *args)
3677 PyObject *pyobj_points = NULL;
3684 if (!PyArg_ParseTuple(args, "Oifff", &pyobj_points, &dist_type, ¶m, &reps, &aeps))
3686 if (!convert_to_cvarrseq(pyobj_points, &points, "points")) return NULL;
3687 ERRWRAP(cvFitLine(points.mat, dist_type, param, reps, aeps, r));
3689 if (strcmp("opencv-matrix", cvTypeOf(points.mat)->type_name) == 0)
3690 dimension = CV_MAT_CN(cvGetElemType(points.mat));
3692 // sequence case... don't think there is a sequence of 3d points,
3697 return Py_BuildValue("dddd", r[0], r[1], r[2], r[3]);
3699 return Py_BuildValue("dddddd", r[0], r[1], r[2], r[3], r[4], r[5]);
3702 static PyObject *pycvGetMinMaxHistValue(PyObject *self, PyObject *args)
3705 PyObject *pyobj_hist = NULL;
3708 int min_loc[CV_MAX_DIM];
3709 int max_loc[CV_MAX_DIM];
3711 if (!PyArg_ParseTuple(args, "O", &pyobj_hist))
3713 if (!convert_to_CvHistogram(pyobj_hist, &hist, "hist")) return NULL;
3714 ERRWRAP(cvGetMinMaxHistValue(hist, &min_val, &max_val, min_loc, max_loc));
3715 int d = cvGetDims(hist->bins);
3716 PyObject *pminloc = PyTuple_New(d), *pmaxloc = PyTuple_New(d);
3717 for (int i = 0; i < d; i++) {
3718 PyTuple_SetItem(pminloc, i, PyInt_FromLong(min_loc[i]));
3719 PyTuple_SetItem(pmaxloc, i, PyInt_FromLong(max_loc[i]));
3721 return Py_BuildValue("ffNN", min_val, max_val, pminloc, pmaxloc);
3724 static CvSeq* cvHOGDetectMultiScale( const CvArr* image, CvMemStorage* storage,
3725 const CvArr* svm_classifier=NULL, CvSize win_stride=cvSize(0,0),
3726 double hit_threshold=0, double scale=1.05,
3727 int group_threshold=2, CvSize padding=cvSize(0,0),
3728 CvSize win_size=cvSize(64,128), CvSize block_size=cvSize(16,16),
3729 CvSize block_stride=cvSize(8,8), CvSize cell_size=cvSize(8,8),
3730 int nbins=9, int gammaCorrection=1 )
3732 cv::HOGDescriptor hog(win_size, block_size, block_stride, cell_size, nbins, 1, -1, cv::HOGDescriptor::L2Hys, 0.2, gammaCorrection!=0);
3733 if(win_stride.width == 0 && win_stride.height == 0)
3734 win_stride = block_stride;
3735 cv::Mat img = cv::cvarrToMat(image);
3736 std::vector<cv::Rect> found;
3739 CvMat stub, *m = cvGetMat(svm_classifier, &stub);
3740 int sz = m->cols*m->rows;
3741 CV_Assert(CV_IS_MAT_CONT(m->type) && (m->cols == 1 || m->rows == 1) && CV_MAT_TYPE(m->type) == CV_32FC1);
3742 std::vector<float> w(sz);
3743 std::copy(m->data.fl, m->data.fl + sz, w.begin());
3744 hog.setSVMDetector(w);
3747 hog.setSVMDetector(cv::HOGDescriptor::getDefaultPeopleDetector());
3748 hog.detectMultiScale(img, found, hit_threshold, win_stride, padding, scale, group_threshold);
3749 CvSeq* seq = cvCreateSeq(cv::DataType<cv::Rect>::type, sizeof(CvSeq), sizeof(cv::Rect), storage);
3751 cvSeqPushMulti(seq, &found[0], (int)found.size());
3755 static int zero = 0;
3757 /************************************************************************/
3758 /* Custom Validators */
3760 #define CVPY_VALIDATE_DrawChessboardCorners() do { \
3761 if ((patternSize.width * patternSize.height) != corners.count) \
3762 return (PyObject*)failmsg("Size is %dx%d, but corner list is length %d", patternSize.width, patternSize.height, corners.count); \
3765 #define cvGetRotationMatrix2D cv2DRotationMatrix
3767 /************************************************************************/
3768 /* Generated functions */
3770 #define constCvMat const CvMat
3771 #define FROM_constCvMatPTR(x) FROM_CvMatPTR((CvMat*)x)
3774 #include "generated0.i"
3776 static PyMethodDef methods[] = {
3778 #if PYTHON_USE_NUMPY
3779 {"fromarray", (PyCFunction)pycvfromarray, METH_KEYWORDS, "fromarray(array) -> cvmatnd"},
3782 //{"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"},
3783 //{"_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"},
3784 //{"_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"},
3785 //{"_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"},
3787 {"temp_test", temp_test, METH_VARARGS},
3789 #include "generated1.i"
3794 /************************************************************************/
3797 static int to_ok(PyTypeObject *to)
3799 to->tp_alloc = PyType_GenericAlloc;
3800 to->tp_new = PyType_GenericNew;
3801 to->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
3802 return (PyType_Ready(to) == 0);
3805 #define MKTYPE(NAME) do { NAME##_specials(); if (!to_ok(&NAME##_Type)) return; } while (0)
3808 #if defined WIN32 || defined _WIN32
3809 __declspec(dllexport)
3815 cvSetErrMode(CV_ErrModeParent);
3817 MKTYPE(cvcontourtree);
3819 MKTYPE(cvhistogram);
3820 MKTYPE(cvlineiterator);
3823 MKTYPE(cvmemstorage);
3825 MKTYPE(cvsubdiv2dedge);
3830 MKTYPE(cvsubdiv2dpoint);
3834 #include "generated4.i"
3836 m = Py_InitModule(MODULESTR"", methods);
3837 d = PyModule_GetDict(m);
3839 opencv_error = PyErr_NewException((char*)MODULESTR".error", NULL, NULL);
3840 PyDict_SetItemString(d, "error", opencv_error);
3842 // Couple of warnings about strict aliasing here. Not clear how to fix.
3847 convert.to = &iplimage_Type;
3848 PyDict_SetItemString(d, "iplimage", convert.o);
3849 convert.to = &cvmat_Type;
3850 PyDict_SetItemString(d, "cvmat", convert.o);
3852 #define PUBLISH(I) PyDict_SetItemString(d, #I, PyInt_FromLong(I))
3853 #define PUBLISHU(I) PyDict_SetItemString(d, #I, PyLong_FromUnsignedLong(I))
3855 PUBLISHU(IPL_DEPTH_8U);
3856 PUBLISHU(IPL_DEPTH_8S);
3857 PUBLISHU(IPL_DEPTH_16U);
3858 PUBLISHU(IPL_DEPTH_16S);
3859 PUBLISHU(IPL_DEPTH_32S);
3860 PUBLISHU(IPL_DEPTH_32F);
3861 PUBLISHU(IPL_DEPTH_64F);
3863 PUBLISH(CV_LOAD_IMAGE_COLOR);
3864 PUBLISH(CV_LOAD_IMAGE_GRAYSCALE);
3865 PUBLISH(CV_LOAD_IMAGE_UNCHANGED);
3866 PUBLISH(CV_HIST_ARRAY);
3867 PUBLISH(CV_HIST_SPARSE);
3903 PUBLISH(CV_NEXT_AROUND_ORG);
3904 PUBLISH(CV_NEXT_AROUND_DST);
3905 PUBLISH(CV_PREV_AROUND_ORG);
3906 PUBLISH(CV_PREV_AROUND_DST);
3907 PUBLISH(CV_NEXT_AROUND_LEFT);
3908 PUBLISH(CV_NEXT_AROUND_RIGHT);
3909 PUBLISH(CV_PREV_AROUND_LEFT);
3910 PUBLISH(CV_PREV_AROUND_RIGHT);
3912 PUBLISH(CV_WINDOW_AUTOSIZE);
3914 PUBLISH(CV_PTLOC_INSIDE);
3915 PUBLISH(CV_PTLOC_ON_EDGE);
3916 PUBLISH(CV_PTLOC_VERTEX);
3917 PUBLISH(CV_PTLOC_OUTSIDE_RECT);
3919 #include "generated2.i"
3923 int sizes[] = { 10 } ;
3924 float ranges[] = { 0.0, 1.0 };
3925 // CvHistogram*h = cvCreateHist(1, sizes, CV_HIST_ARRAY);
3928 CvHistogram*h = cvMakeHistHeaderForArray(1, sizes, &H, data);
3929 printf("h->type = %08x\n", h->type);
3930 printf("h->bins = %p\n", h->bins);
3931 printf("h->mat = %p\n", &(h->mat));