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Easy binding for python code generator

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This commit is contained in:
Hamdi Sahloul 2018-08-19 02:25:14 +09:00
parent e9a1ccb89a
commit 93bad514a8
1 changed files with 118 additions and 1 deletions
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119
modules/python/src2/cv2.cpp
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@ -27,6 +27,80 @@
# define CV_PYTHON_TYPE_HEAD_INIT() PyObject_HEAD_INIT(&PyType_Type) 0,
#endif
#define CV_PY_TO_CLASS(TYPE) \
template<> bool pyopencv_to(PyObject* dst, Ptr<TYPE>& src, const char* name); \
\
template<> \
bool pyopencv_to(PyObject* dst, TYPE& src, const char* name) \
{ \
if (!dst || dst == Py_None) \
return true; \
Ptr<TYPE> ptr; \
\
if (!pyopencv_to(dst, ptr, name)) return false; \
src = *ptr; \
return true; \
}
#define CV_PY_FROM_CLASS(TYPE) \
template<> PyObject* pyopencv_from(const Ptr<TYPE>& src); \
\
template<> \
PyObject* pyopencv_from(const TYPE& src) \
{ \
Ptr<TYPE> ptr(new TYPE()); \
\
*ptr = src; \
return pyopencv_from(ptr); \
}
#define CV_PY_TO_CLASS_PTR(TYPE) \
template<> bool pyopencv_to(PyObject* dst, Ptr<TYPE>& src, const char* name); \
\
template<> \
bool pyopencv_to(PyObject* dst, TYPE*& src, const char* name) \
{ \
if (!dst || dst == Py_None) \
return true; \
Ptr<TYPE> ptr; \
\
if (!pyopencv_to(dst, ptr, name)) return false; \
src = ptr; \
return true; \
}
#define CV_PY_FROM_CLASS_PTR(TYPE) \
template<> PyObject* pyopencv_from(const Ptr<TYPE>& src); \
\
static PyObject* pyopencv_from(TYPE*& src) \
{ \
return pyopencv_from(Ptr<TYPE>(src)); \
}
#define CV_PY_TO_ENUM(TYPE) \
template<> bool pyopencv_to(PyObject* dst, std::underlying_type<TYPE>::type& src, const char* name); \
\
template<> \
bool pyopencv_to(PyObject* dst, TYPE& src, const char* name) \
{ \
if (!dst || dst == Py_None) \
return true; \
std::underlying_type<TYPE>::type underlying; \
\
if (!pyopencv_to(dst, underlying, name)) return false; \
src = static_cast<TYPE>(underlying); \
return true; \
}
#define CV_PY_FROM_ENUM(TYPE) \
template<> PyObject* pyopencv_from(const std::underlying_type<TYPE>::type& src); \
\
template<> \
PyObject* pyopencv_from(const TYPE& src) \
{ \
return pyopencv_from(static_cast<std::underlying_type<TYPE>::type>(src)); \
}
#include "pyopencv_generated_include.h"
#include "opencv2/core/types_c.h"
@ -735,12 +809,31 @@ bool pyopencv_to(PyObject* o, UMat& um, const char* name)
}
template<>
PyObject* pyopencv_from(const UMat& m) {
PyObject* pyopencv_from(const UMat& m)
{
PyObject *o = PyObject_CallObject((PyObject *) &cv2_UMatWrapperType, NULL);
*((cv2_UMatWrapperObject *) o)->um = m;
return o;
}
template<>
bool pyopencv_to(PyObject* obj, void*& ptr, const char* name)
{
(void)name;
if (!obj || obj == Py_None)
return true;
if (!PyLong_Check(obj))
return false;
ptr = PyLong_AsVoidPtr(obj);
return ptr != NULL && !PyErr_Occurred();
}
static PyObject* pyopencv_from(void*& ptr)
{
return PyLong_FromVoidPtr(ptr);
}
static bool pyopencv_to(PyObject *o, Scalar& s, const ArgInfo info)
{
if(!o || o == Py_None)
@ -843,6 +936,30 @@ bool pyopencv_to(PyObject* obj, int& value, const char* name)
return value != -1 || !PyErr_Occurred();
}
#if defined (_M_AMD64) || defined (__x86_64__)
template<>
PyObject* pyopencv_from(const unsigned int& value)
{
return PyLong_FromUnsignedLong(value);
}
template<>
bool pyopencv_to(PyObject* obj, unsigned int& value, const char* name)
{
(void)name;
if(!obj || obj == Py_None)
return true;
if(PyInt_Check(obj))
value = (unsigned int)PyInt_AsLong(obj);
else if(PyLong_Check(obj))
value = (unsigned int)PyLong_AsLong(obj);
else
return false;
return value != (unsigned int)-1 || !PyErr_Occurred();
}
#endif
template<>
PyObject* pyopencv_from(const uchar& value)
{