}
}
+struct SafeSeqItem
+{
+ PyObject * item;
+ SafeSeqItem(PyObject *obj, size_t idx) { item = PySequence_GetItem(obj, idx); }
+ ~SafeSeqItem() { Py_XDECREF(item); }
+
+private:
+ SafeSeqItem(const SafeSeqItem&); // = delete
+ SafeSeqItem& operator=(const SafeSeqItem&); // = delete
+};
+
+template <class T>
+class RefWrapper
+{
+public:
+ RefWrapper(T& item) : item_(item) {}
+
+ T& get() CV_NOEXCEPT { return item_; }
+
+private:
+ T& item_;
+};
+
+// In order to support this conversion on 3.x branch - use custom reference_wrapper
+// and C-style array instead of std::array<T, N>
+template <class T, std::size_t N>
+bool parseSequence(PyObject* obj, RefWrapper<T> (&value)[N], const ArgInfo& info)
+{
+ if (!obj || obj == Py_None)
+ {
+ return true;
+ }
+ if (!PySequence_Check(obj))
+ {
+ failmsg("Can't parse '%s'. Input argument doesn't provide sequence "
+ "protocol", info.name);
+ return false;
+ }
+ const std::size_t sequenceSize = PySequence_Size(obj);
+ if (sequenceSize != N)
+ {
+ failmsg("Can't parse '%s'. Expected sequence length %lu, got %lu",
+ info.name, N, sequenceSize);
+ return false;
+ }
+ for (std::size_t i = 0; i < N; ++i)
+ {
+ SafeSeqItem seqItem(obj, i);
+ if (!pyopencv_to(seqItem.item, value[i].get(), info))
+ {
+ failmsg("Can't parse '%s'. Sequence item with index %lu has a "
+ "wrong type", info.name, i);
+ return false;
+ }
+ }
+ return true;
+}
} // namespace
typedef std::vector<uchar> vector_uchar;
return PyLong_FromVoidPtr(ptr);
}
-struct SafeSeqItem
-{
- PyObject * item;
- SafeSeqItem(PyObject *obj, size_t idx) { item = PySequence_GetItem(obj, idx); }
- ~SafeSeqItem() { Py_XDECREF(item); }
-};
-
static bool pyopencv_to(PyObject *o, Scalar& s, const ArgInfo& info)
{
if(!o || o == Py_None)
template<>
bool pyopencv_to(PyObject* obj, Size& sz, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- return PyArg_ParseTuple(obj, "ii", &sz.width, &sz.height) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(sz.width),
+ RefWrapper<int>(sz.height)};
+ return parseSequence(obj, values, info);
}
template<>
template<>
bool pyopencv_to(PyObject* obj, Size_<float>& sz, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- return PyArg_ParseTuple(obj, "ff", &sz.width, &sz.height) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(sz.width),
+ RefWrapper<float>(sz.height)};
+ return parseSequence(obj, values, info);
}
template<>
}
template<>
+bool pyopencv_to(PyObject* obj, Rect& r, const ArgInfo& info)
+{
+ RefWrapper<int> values[] = {RefWrapper<int>(r.x), RefWrapper<int>(r.y),
+ RefWrapper<int>(r.width),
+ RefWrapper<int>(r.height)};
+ return parseSequence(obj, values, info);
+}
+
+template<>
PyObject* pyopencv_from(const Rect& r)
{
return Py_BuildValue("(iiii)", r.x, r.y, r.width, r.height);
template<>
bool pyopencv_to(PyObject* obj, Rect2d& r, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- return PyArg_ParseTuple(obj, "dddd", &r.x, &r.y, &r.width, &r.height) > 0;
+ RefWrapper<double> values[] = {
+ RefWrapper<double>(r.x), RefWrapper<double>(r.y),
+ RefWrapper<double>(r.width), RefWrapper<double>(r.height)};
+ return parseSequence(obj, values, info);
}
template<>
template<>
bool pyopencv_to(PyObject* obj, Range& r, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- while (PySequence_Check(obj))
+ if (!obj || obj == Py_None)
{
- if (2 != PySequence_Size(obj))
- {
- failmsg("Range value for argument '%s' is longer than 2", info.name);
- return false;
- }
- {
- SafeSeqItem item_wrap(obj, 0);
- PyObject *item = item_wrap.item;
- if (PyInt_Check(item)) {
- r.start = (int)PyInt_AsLong(item);
- } else {
- failmsg("Range.start value for argument '%s' is not integer", info.name);
- break;
- }
- }
- {
- SafeSeqItem item_wrap(obj, 1);
- PyObject *item = item_wrap.item;
- if (PyInt_Check(item)) {
- r.end = (int)PyInt_AsLong(item);
- } else {
- failmsg("Range.end value for argument '%s' is not integer", info.name);
- break;
- }
- }
return true;
}
- if(PyObject_Size(obj) == 0)
+ if (PyObject_Size(obj) == 0)
{
r = Range::all();
return true;
}
- return PyArg_ParseTuple(obj, "ii", &r.start, &r.end) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(r.start), RefWrapper<int>(r.end)};
+ return parseSequence(obj, values, info);
}
template<>
template<>
bool pyopencv_to(PyObject* obj, Point& p, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- if(PyComplex_Check(obj))
- {
- p.x = saturate_cast<int>(PyComplex_RealAsDouble(obj));
- p.y = saturate_cast<int>(PyComplex_ImagAsDouble(obj));
- return true;
- }
- return PyArg_ParseTuple(obj, "ii", &p.x, &p.y) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(p.x), RefWrapper<int>(p.y)};
+ return parseSequence(obj, values, info);
}
-template<>
+template <>
bool pyopencv_to(PyObject* obj, Point2f& p, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- if (PyComplex_Check(obj))
- {
- p.x = saturate_cast<float>(PyComplex_RealAsDouble(obj));
- p.y = saturate_cast<float>(PyComplex_ImagAsDouble(obj));
- return true;
- }
- return PyArg_ParseTuple(obj, "ff", &p.x, &p.y) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(p.x),
+ RefWrapper<float>(p.y)};
+ return parseSequence(obj, values, info);
}
template<>
bool pyopencv_to(PyObject* obj, Point2d& p, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- if(PyComplex_Check(obj))
- {
- p.x = PyComplex_RealAsDouble(obj);
- p.y = PyComplex_ImagAsDouble(obj);
- return true;
- }
- return PyArg_ParseTuple(obj, "dd", &p.x, &p.y) > 0;
+ RefWrapper<double> values[] = {RefWrapper<double>(p.x),
+ RefWrapper<double>(p.y)};
+ return parseSequence(obj, values, info);
}
template<>
bool pyopencv_to(PyObject* obj, Point3f& p, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- return PyArg_ParseTuple(obj, "fff", &p.x, &p.y, &p.z) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(p.x),
+ RefWrapper<float>(p.y),
+ RefWrapper<float>(p.z)};
+ return parseSequence(obj, values, info);
}
template<>
bool pyopencv_to(PyObject* obj, Point3d& p, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
- return true;
- return PyArg_ParseTuple(obj, "ddd", &p.x, &p.y, &p.z) > 0;
+ RefWrapper<double> values[] = {RefWrapper<double>(p.x),
+ RefWrapper<double>(p.y),
+ RefWrapper<double>(p.z)};
+ return parseSequence(obj, values, info);
}
template<>
static bool pyopencv_to(PyObject* obj, Vec4d& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "dddd", &v[0], &v[1], &v[2], &v[3]) > 0;
+ RefWrapper<double> values[] = {RefWrapper<double>(v[0]), RefWrapper<double>(v[1]),
+ RefWrapper<double>(v[2]), RefWrapper<double>(v[3])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec4f& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "ffff", &v[0], &v[1], &v[2], &v[3]) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(v[0]), RefWrapper<float>(v[1]),
+ RefWrapper<float>(v[2]), RefWrapper<float>(v[3])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec4i& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "iiii", &v[0], &v[1], &v[2], &v[3]) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(v[0]), RefWrapper<int>(v[1]),
+ RefWrapper<int>(v[2]), RefWrapper<int>(v[3])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec3d& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "ddd", &v[0], &v[1], &v[2]) > 0;
+ RefWrapper<double> values[] = {RefWrapper<double>(v[0]),
+ RefWrapper<double>(v[1]),
+ RefWrapper<double>(v[2])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec3f& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "fff", &v[0], &v[1], &v[2]) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(v[0]),
+ RefWrapper<float>(v[1]),
+ RefWrapper<float>(v[2])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec3i& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "iii", &v[0], &v[1], &v[2]) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(v[0]), RefWrapper<int>(v[1]),
+ RefWrapper<int>(v[2])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec2d& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "dd", &v[0], &v[1]) > 0;
+ RefWrapper<double> values[] = {RefWrapper<double>(v[0]),
+ RefWrapper<double>(v[1])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec2f& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "ff", &v[0], &v[1]) > 0;
+ RefWrapper<float> values[] = {RefWrapper<float>(v[0]),
+ RefWrapper<float>(v[1])};
+ return parseSequence(obj, values, info);
}
static bool pyopencv_to(PyObject* obj, Vec2i& v, ArgInfo& info)
{
- CV_UNUSED(info);
- if (!obj)
- return true;
- return PyArg_ParseTuple(obj, "ii", &v[0], &v[1]) > 0;
+ RefWrapper<int> values[] = {RefWrapper<int>(v[0]), RefWrapper<int>(v[1])};
+ return parseSequence(obj, values, info);
}
template<>
};
template<>
-bool pyopencv_to(PyObject* obj, Rect& r, const ArgInfo& info)
+bool pyopencv_to(PyObject* obj, TermCriteria& dst, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj || obj == Py_None)
+ if (!obj || obj == Py_None)
+ {
return true;
-
- if (PyTuple_Check(obj))
- return PyArg_ParseTuple(obj, "iiii", &r.x, &r.y, &r.width, &r.height) > 0;
- else
+ }
+ if (!PySequence_Check(obj))
+ {
+ failmsg("Can't parse '%s' as TermCriteria."
+ "Input argument doesn't provide sequence protocol",
+ info.name);
+ return false;
+ }
+ const std::size_t sequenceSize = PySequence_Size(obj);
+ if (sequenceSize != 3) {
+ failmsg("Can't parse '%s' as TermCriteria. Expected sequence length 3, "
+ "got %lu",
+ info.name, sequenceSize);
+ return false;
+ }
{
- std::vector<int> value(4);
- if (!pyopencvVecConverter<int>::to(obj, value, info))
+ const String typeItemName = format("'%s' criteria type", info.name);
+ const ArgInfo typeItemInfo(typeItemName.c_str(), false);
+ SafeSeqItem typeItem(obj, 0);
+ if (!pyopencv_to(typeItem.item, dst.type, typeItemInfo))
{
return false;
}
- if (value.size() != 4)
+ }
+ {
+ const String maxCountItemName = format("'%s' max count", info.name);
+ const ArgInfo maxCountItemInfo(maxCountItemName.c_str(), false);
+ SafeSeqItem maxCountItem(obj, 1);
+ if (!pyopencv_to(maxCountItem.item, dst.maxCount, maxCountItemInfo))
{
- failmsg("Expected 4 values for '%s', got %d", info.name, (int)value.size());
return false;
}
- r = Rect(value[0], value[1], value[2], value[3]);
- return true;
}
-
-}
-
-template<>
-bool pyopencv_to(PyObject *obj, TermCriteria& dst, const ArgInfo& info)
-{
- CV_UNUSED(info);
- if(!obj)
- return true;
- return PyArg_ParseTuple(obj, "iid", &dst.type, &dst.maxCount, &dst.epsilon) > 0;
+ {
+ const String epsilonItemName = format("'%s' epsilon", info.name);
+ const ArgInfo epsilonItemInfo(epsilonItemName.c_str(), false);
+ SafeSeqItem epsilonItem(obj, 2);
+ if (!pyopencv_to(epsilonItem.item, dst.epsilon, epsilonItemInfo))
+ {
+ return false;
+ }
+ }
+ return true;
}
template<>
}
template<>
-bool pyopencv_to(PyObject *obj, RotatedRect& dst, const ArgInfo& info)
+bool pyopencv_to(PyObject* obj, RotatedRect& dst, const ArgInfo& info)
{
- CV_UNUSED(info);
- if(!obj)
+ if (!obj || obj == Py_None)
+ {
return true;
- return PyArg_ParseTuple(obj, "(ff)(ff)f", &dst.center.x, &dst.center.y, &dst.size.width, &dst.size.height, &dst.angle) > 0;
+ }
+ if (!PySequence_Check(obj))
+ {
+ failmsg("Can't parse '%s' as RotatedRect."
+ "Input argument doesn't provide sequence protocol",
+ info.name);
+ return false;
+ }
+ const std::size_t sequenceSize = PySequence_Size(obj);
+ if (sequenceSize != 3)
+ {
+ failmsg("Can't parse '%s' as RotatedRect. Expected sequence length 3, got %lu",
+ info.name, sequenceSize);
+ return false;
+ }
+ {
+ const String centerItemName = format("'%s' center point", info.name);
+ const ArgInfo centerItemInfo(centerItemName.c_str(), false);
+ SafeSeqItem centerItem(obj, 0);
+ if (!pyopencv_to(centerItem.item, dst.center, centerItemInfo))
+ {
+ return false;
+ }
+ }
+ {
+ const String sizeItemName = format("'%s' size", info.name);
+ const ArgInfo sizeItemInfo(sizeItemName.c_str(), false);
+ SafeSeqItem sizeItem(obj, 1);
+ if (!pyopencv_to(sizeItem.item, dst.size, sizeItemInfo))
+ {
+ return false;
+ }
+ }
+ {
+ const String angleItemName = format("'%s' angle", info.name);
+ const ArgInfo angleItemInfo(angleItemName.c_str(), false);
+ SafeSeqItem angleItem(obj, 2);
+ if (!pyopencv_to(angleItem.item, dst.angle, angleItemInfo))
+ {
+ return false;
+ }
+ }
+ return true;
}
template<>
projects / platform / upstream / opencv.git / blobdiff