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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
*/
#include "BPy_IntegrationType.h"
#include "BPy_Convert.h"
#include "Iterator/BPy_Interface0DIterator.h"
#include "UnaryFunction0D/BPy_UnaryFunction0DDouble.h"
#include "UnaryFunction0D/BPy_UnaryFunction0DFloat.h"
#include "UnaryFunction0D/BPy_UnaryFunction0DUnsigned.h"
#include "BLI_sys_types.h"
#ifdef __cplusplus
extern "C" {
#endif
using namespace Freestyle;
///////////////////////////////////////////////////////////////////////////////////////////
//------------------------ MODULE FUNCTIONS ----------------------------------
PyDoc_STRVAR(Integrator_integrate_doc,
".. function:: integrate(func, it, it_end, integration_type)\n"
"\n"
" Returns a single value from a set of values evaluated at each 0D\n"
" element of this 1D element.\n"
"\n"
" :arg func: The UnaryFunction0D used to compute a value at each\n"
" Interface0D.\n"
" :type func: :class:`UnaryFunction0D`\n"
" :arg it: The Interface0DIterator used to iterate over the 0D\n"
" elements of this 1D element. The integration will occur over\n"
" the 0D elements starting from the one pointed by it.\n"
" :type it: :class:`Interface0DIterator`\n"
" :arg it_end: The Interface0DIterator pointing the end of the 0D\n"
" elements of the 1D element.\n"
" :type it_end: :class:`Interface0DIterator`\n"
" :arg integration_type: The integration method used to compute a\n"
" single value from a set of values.\n"
" :type integration_type: :class:`IntegrationType`\n"
" :return: The single value obtained for the 1D element. The return\n"
" value type is float if func is of the :class:`UnaryFunction0DDouble`\n"
" or :class:`UnaryFunction0DFloat` type, and int if func is of the\n"
" :class:`UnaryFunction0DUnsigned` type.\n"
" :rtype: int or float");
static PyObject *Integrator_integrate(PyObject * /*self*/, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"func", "it", "it_end", "integration_type", nullptr};
PyObject *obj1, *obj4 = nullptr;
BPy_Interface0DIterator *obj2, *obj3;
if (!PyArg_ParseTupleAndKeywords(args,
kwds,
"O!O!O!|O!",
(char **)kwlist,
&UnaryFunction0D_Type,
&obj1,
&Interface0DIterator_Type,
&obj2,
&Interface0DIterator_Type,
&obj3,
&IntegrationType_Type,
&obj4)) {
return nullptr;
}
Interface0DIterator it(*(obj2->if0D_it)), it_end(*(obj3->if0D_it));
IntegrationType t = (obj4) ? IntegrationType_from_BPy_IntegrationType(obj4) : MEAN;
if (BPy_UnaryFunction0DDouble_Check(obj1)) {
UnaryFunction0D<double> *fun = ((BPy_UnaryFunction0DDouble *)obj1)->uf0D_double;
double res = integrate(*fun, it, it_end, t);
return PyFloat_FromDouble(res);
}
if (BPy_UnaryFunction0DFloat_Check(obj1)) {
UnaryFunction0D<float> *fun = ((BPy_UnaryFunction0DFloat *)obj1)->uf0D_float;
float res = integrate(*fun, it, it_end, t);
return PyFloat_FromDouble(res);
}
if (BPy_UnaryFunction0DUnsigned_Check(obj1)) {
UnaryFunction0D<uint> *fun = ((BPy_UnaryFunction0DUnsigned *)obj1)->uf0D_unsigned;
uint res = integrate(*fun, it, it_end, t);
return PyLong_FromLong(res);
}
string class_name(Py_TYPE(obj1)->tp_name);
PyErr_SetString(PyExc_TypeError, ("unsupported function type: " + class_name).c_str());
return nullptr;
}
/*-----------------------Integrator module docstring---------------------------------------*/
PyDoc_STRVAR(module_docstring, "The Blender Freestyle.Integrator submodule\n\n");
/*-----------------------Integrator module functions definitions---------------------------*/
static PyMethodDef module_functions[] = {
{"integrate",
(PyCFunction)Integrator_integrate,
METH_VARARGS | METH_KEYWORDS,
Integrator_integrate_doc},
{nullptr, nullptr, 0, nullptr},
};
/*-----------------------Integrator module definition--------------------------------------*/
static PyModuleDef module_definition = {
PyModuleDef_HEAD_INIT,
/*m_name*/ "Freestyle.Integrator",
/*m_doc*/ module_docstring,
/*m_size*/ -1,
/*m_methods*/ module_functions,
/*m_slots*/ NULL,
/*m_traverse*/ NULL,
/*m_clear*/ NULL,
/*m_free*/ NULL,
};
/*-----------------------BPy_IntegrationType type definition ------------------------------*/
PyDoc_STRVAR(IntegrationType_doc,
"Class hierarchy: int > :class:`IntegrationType`\n"
"\n"
"Different integration methods that can be invoked to integrate into a\n"
"single value the set of values obtained from each 0D element of an 1D\n"
"element:\n"
"\n"
"* IntegrationType.MEAN: The value computed for the 1D element is the\n"
" mean of the values obtained for the 0D elements.\n"
"* IntegrationType.MIN: The value computed for the 1D element is the\n"
" minimum of the values obtained for the 0D elements.\n"
"* IntegrationType.MAX: The value computed for the 1D element is the\n"
" maximum of the values obtained for the 0D elements.\n"
"* IntegrationType.FIRST: The value computed for the 1D element is the\n"
" first of the values obtained for the 0D elements.\n"
"* IntegrationType.LAST: The value computed for the 1D element is the\n"
" last of the values obtained for the 0D elements.");
PyTypeObject IntegrationType_Type = {
PyVarObject_HEAD_INIT(nullptr, 0)
/*tp_name*/ "IntegrationType",
/*tp_basicsize*/ sizeof(PyLongObject),
/*tp_itemsize*/ 0,
/*tp_dealloc*/ nullptr,
/*tp_vectorcall_offset*/ 0,
/*tp_getattr*/ nullptr,
/*tp_setattr*/ nullptr,
/*tp_as_async*/ nullptr,
/*tp_repr*/ nullptr,
/*tp_as_number*/ nullptr,
/*tp_as_sequence*/ nullptr,
/*tp_as_mapping*/ nullptr,
/*tp_hash*/ nullptr,
/*tp_call*/ nullptr,
/*tp_str*/ nullptr,
/*tp_getattro*/ nullptr,
/*tp_setattro*/ nullptr,
/*tp_as_buffer*/ nullptr,
/*tp_flags*/ Py_TPFLAGS_DEFAULT,
/*tp_doc*/ IntegrationType_doc,
/*tp_traverse*/ nullptr,
/*tp_clear*/ nullptr,
/*tp_richcompare*/ nullptr,
/*tp_weaklistoffset*/ 0,
/*tp_iter*/ nullptr,
/*tp_iternext*/ nullptr,
/*tp_methods*/ nullptr,
/*tp_members*/ nullptr,
/*tp_getset*/ nullptr,
/*tp_base*/ &PyLong_Type,
/*tp_dict*/ nullptr,
/*tp_descr_get*/ nullptr,
/*tp_descr_set*/ nullptr,
/*tp_dictoffset*/ 0,
/*tp_init*/ nullptr,
/*tp_alloc*/ nullptr,
/*tp_new*/ nullptr,
};
/*-----------------------BPy_IntegrationType instance definitions -------------------------*/
static PyLongObject _IntegrationType_MEAN = {
PyVarObject_HEAD_INIT(&IntegrationType_Type, 1){MEAN}};
static PyLongObject _IntegrationType_MIN = {PyVarObject_HEAD_INIT(&IntegrationType_Type, 1){MIN}};
static PyLongObject _IntegrationType_MAX = {PyVarObject_HEAD_INIT(&IntegrationType_Type, 1){MAX}};
static PyLongObject _IntegrationType_FIRST = {
PyVarObject_HEAD_INIT(&IntegrationType_Type, 1){FIRST}};
static PyLongObject _IntegrationType_LAST = {
PyVarObject_HEAD_INIT(&IntegrationType_Type, 1){LAST}};
#define BPy_IntegrationType_MEAN ((PyObject *)&_IntegrationType_MEAN)
#define BPy_IntegrationType_MIN ((PyObject *)&_IntegrationType_MIN)
#define BPy_IntegrationType_MAX ((PyObject *)&_IntegrationType_MAX)
#define BPy_IntegrationType_FIRST ((PyObject *)&_IntegrationType_FIRST)
#define BPy_IntegrationType_LAST ((PyObject *)&_IntegrationType_LAST)
//-------------------MODULE INITIALIZATION--------------------------------
int IntegrationType_Init(PyObject *module)
{
PyObject *m, *d, *f;
if (module == nullptr) {
return -1;
}
if (PyType_Ready(&IntegrationType_Type) < 0) {
return -1;
}
Py_INCREF(&IntegrationType_Type);
PyModule_AddObject(module, "IntegrationType", (PyObject *)&IntegrationType_Type);
PyDict_SetItemString(IntegrationType_Type.tp_dict, "MEAN", BPy_IntegrationType_MEAN);
PyDict_SetItemString(IntegrationType_Type.tp_dict, "MIN", BPy_IntegrationType_MIN);
PyDict_SetItemString(IntegrationType_Type.tp_dict, "MAX", BPy_IntegrationType_MAX);
PyDict_SetItemString(IntegrationType_Type.tp_dict, "FIRST", BPy_IntegrationType_FIRST);
PyDict_SetItemString(IntegrationType_Type.tp_dict, "LAST", BPy_IntegrationType_LAST);
m = PyModule_Create(&module_definition);
if (m == nullptr) {
return -1;
}
Py_INCREF(m);
PyModule_AddObject(module, "Integrator", m);
// from Integrator import *
d = PyModule_GetDict(m);
for (PyMethodDef *p = module_functions; p->ml_name; p++) {
f = PyDict_GetItemString(d, p->ml_name);
Py_INCREF(f);
PyModule_AddObject(module, p->ml_name, f);
}
return 0;
}
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
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