Files
test/source/blender/freestyle/intern/python/BPy_FrsNoise.cpp
Campbell Barton 3bcfb151c1 PyDoc: use Python's type annotation syntax for doc-strings
Replace plain-text type information with the type syntax used
for Python's type annotations as it's more concise, especially for
callbacks which often didn't include useful type information.

Note that this change only applies to inline doc-strings,
generated doc-strings from RNA need to be updated separately.

Details:

- Many minor corrections were made when "list" was incorrectly used
  instead of "sequence".
- Some type information wasn't defined in the doc-strings and has been
  added.
- Verbose type info would benefit from support for type aliases.
2024-11-03 15:44:35 +11:00

379 lines
11 KiB
C++

/* SPDX-FileCopyrightText: 2004-2022 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
*/
#include "BPy_FrsNoise.h"
#include "BPy_Convert.h"
#include "../system/RandGen.h"
#include "BLI_sys_types.h"
#include <sstream>
#ifdef __cplusplus
extern "C" {
#endif
using namespace Freestyle;
///////////////////////////////////////////////////////////////////////////////////////////
//-------------------MODULE INITIALIZATION--------------------------------
int FrsNoise_Init(PyObject *module)
{
if (module == nullptr) {
return -1;
}
if (PyType_Ready(&FrsNoise_Type) < 0) {
return -1;
}
PyModule_AddObjectRef(module, "Noise", (PyObject *)&FrsNoise_Type);
return 0;
}
//------------------------INSTANCE METHODS ----------------------------------
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_doc,
"Class to provide Perlin noise functionalities.\n"
"\n"
".. method:: __init__(seed = -1)\n"
"\n"
" Builds a Noise object. Seed is an optional argument. The seed value is used\n"
" as a seed for random number generation if it is equal to or greater than zero;\n"
" otherwise, time is used as a seed.\n"
"\n"
" :arg seed: Seed for random number generation.\n"
" :type seed: int");
static int FrsNoise_init(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"seed", nullptr};
long seed = -1;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|l", (char **)kwlist, &seed)) {
return -1;
}
self->n = new Noise(seed);
self->pn = new PseudoNoise();
return 0;
}
static void FrsNoise_dealloc(BPy_FrsNoise *self)
{
delete self->n;
delete self->pn;
Py_TYPE(self)->tp_free((PyObject *)self);
}
static PyObject *FrsNoise_repr(BPy_FrsNoise *self)
{
return PyUnicode_FromFormat("Noise - address: %p", self->n);
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_turbulence1_doc,
".. method:: turbulence1(v, freq, amp, oct=4)\n"
"\n"
" Returns a noise value for a 1D element.\n"
"\n"
" :arg v: One-dimensional sample point.\n"
" :type v: float\n"
" :arg freq: Noise frequency.\n"
" :type freq: float\n"
" :arg amp: Amplitude.\n"
" :type amp: float\n"
" :arg oct: Number of octaves.\n"
" :type oct: int\n"
" :return: A noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_drand(BPy_FrsNoise * /*self*/, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"seed", nullptr};
long seed = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|I", (char **)kwlist, &seed)) {
PyErr_SetString(PyExc_TypeError, "optional argument 1 must be of type int");
return nullptr;
}
if (seed) {
RandGen::srand48(seed);
}
return PyFloat_FromDouble(RandGen::drand48());
}
static PyObject *FrsNoise_turbulence_smooth(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", "oct", nullptr};
double x; // NOTE: this has to be a double (not float)
uint nbOctaves = 8;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "d|I", (char **)kwlist, &x, &nbOctaves)) {
return nullptr;
}
return PyFloat_FromDouble(self->pn->turbulenceSmooth(x, nbOctaves));
}
static PyObject *FrsNoise_turbulence1(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", "freq", "amp", "oct", nullptr};
float f1, f2, f3;
uint i = 4;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "fff|I", (char **)kwlist, &f1, &f2, &f3, &i)) {
return nullptr;
}
return PyFloat_FromDouble(self->n->turbulence1(f1, f2, f3, i));
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_turbulence2_doc,
".. method:: turbulence2(v, freq, amp, oct=4)\n"
"\n"
" Returns a noise value for a 2D element.\n"
"\n"
" :arg v: Two-dimensional sample point.\n"
" :type v: :class:`mathutils.Vector` | tuple[float, float] | list[float]\n"
" :arg freq: Noise frequency.\n"
" :type freq: float\n"
" :arg amp: Amplitude.\n"
" :type amp: float\n"
" :arg oct: Number of octaves.\n"
" :type oct: int\n"
" :return: A noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_turbulence2(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", "freq", "amp", "oct", nullptr};
PyObject *obj1;
float f2, f3;
uint i = 4;
Vec2f vec;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "Off|I", (char **)kwlist, &obj1, &f2, &f3, &i)) {
return nullptr;
}
if (!Vec2f_ptr_from_PyObject(obj1, vec)) {
PyErr_SetString(PyExc_TypeError,
"argument 1 must be a 2D vector (either a list of 2 elements or Vector)");
return nullptr;
}
float t = self->n->turbulence2(vec, f2, f3, i);
return PyFloat_FromDouble(t);
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_turbulence3_doc,
".. method:: turbulence3(v, freq, amp, oct=4)\n"
"\n"
" Returns a noise value for a 3D element.\n"
"\n"
" :arg v: Three-dimensional sample point.\n"
" :type v: :class:`mathutils.Vector` | tuple[float, float, float] | list[float]\n"
" :arg freq: Noise frequency.\n"
" :type freq: float\n"
" :arg amp: Amplitude.\n"
" :type amp: float\n"
" :arg oct: Number of octaves.\n"
" :type oct: int\n"
" :return: A noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_turbulence3(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", "freq", "amp", "oct", nullptr};
PyObject *obj1;
float f2, f3;
uint i = 4;
Vec3f vec;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "Off|I", (char **)kwlist, &obj1, &f2, &f3, &i)) {
return nullptr;
}
if (!Vec3f_ptr_from_PyObject(obj1, vec)) {
PyErr_SetString(PyExc_TypeError,
"argument 1 must be a 3D vector (either a list of 3 elements or Vector)");
return nullptr;
}
float t = self->n->turbulence3(vec, f2, f3, i);
return PyFloat_FromDouble(t);
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_smoothNoise1_doc,
".. method:: smoothNoise1(v)\n"
"\n"
" Returns a smooth noise value for a 1D element.\n"
"\n"
" :arg v: One-dimensional sample point.\n"
" :type v: float\n"
" :return: A smooth noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_smoothNoise1(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", nullptr};
float f;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "f", (char **)kwlist, &f)) {
return nullptr;
}
return PyFloat_FromDouble(self->n->smoothNoise1(f));
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_smoothNoise2_doc,
".. method:: smoothNoise2(v)\n"
"\n"
" Returns a smooth noise value for a 2D element.\n"
"\n"
" :arg v: Two-dimensional sample point.\n"
" :type v: :class:`mathutils.Vector` | tuple[float, float] | list[float]\n"
" :return: A smooth noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_smoothNoise2(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", nullptr};
PyObject *obj;
Vec2f vec;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", (char **)kwlist, &obj)) {
return nullptr;
}
if (!Vec2f_ptr_from_PyObject(obj, vec)) {
PyErr_SetString(PyExc_TypeError,
"argument 1 must be a 2D vector (either a list of 2 elements or Vector)");
return nullptr;
}
float t = self->n->smoothNoise2(vec);
return PyFloat_FromDouble(t);
}
PyDoc_STRVAR(
/* Wrap. */
FrsNoise_smoothNoise3_doc,
".. method:: smoothNoise3(v)\n"
"\n"
" Returns a smooth noise value for a 3D element.\n"
"\n"
" :arg v: Three-dimensional sample point.\n"
" :type v: :class:`mathutils.Vector` | tuple[float, float, float] | list[float]\n"
" :return: A smooth noise value.\n"
" :rtype: float");
static PyObject *FrsNoise_smoothNoise3(BPy_FrsNoise *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"v", nullptr};
PyObject *obj;
Vec3f vec;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", (char **)kwlist, &obj)) {
return nullptr;
}
if (!Vec3f_ptr_from_PyObject(obj, vec)) {
PyErr_SetString(PyExc_TypeError,
"argument 1 must be a 3D vector (either a list of 3 elements or Vector)");
return nullptr;
}
float t = self->n->smoothNoise3(vec);
return PyFloat_FromDouble(t);
}
static PyMethodDef BPy_FrsNoise_methods[] = {
{"turbulence1",
(PyCFunction)FrsNoise_turbulence1,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_turbulence1_doc},
{"turbulence2",
(PyCFunction)FrsNoise_turbulence2,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_turbulence2_doc},
{"turbulence3",
(PyCFunction)FrsNoise_turbulence3,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_turbulence3_doc},
{"smoothNoise1",
(PyCFunction)FrsNoise_smoothNoise1,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_smoothNoise1_doc},
{"smoothNoise2",
(PyCFunction)FrsNoise_smoothNoise2,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_smoothNoise2_doc},
{"smoothNoise3",
(PyCFunction)FrsNoise_smoothNoise3,
METH_VARARGS | METH_KEYWORDS,
FrsNoise_smoothNoise3_doc},
{"rand", (PyCFunction)FrsNoise_drand, METH_VARARGS | METH_KEYWORDS, nullptr},
{"turbulence_smooth",
(PyCFunction)FrsNoise_turbulence_smooth,
METH_VARARGS | METH_KEYWORDS,
nullptr},
{nullptr, nullptr, 0, nullptr},
};
/*-----------------------BPy_FrsNoise type definition ------------------------------*/
PyTypeObject FrsNoise_Type = {
/*ob_base*/ PyVarObject_HEAD_INIT(nullptr, 0)
/*tp_name*/ "Noise",
/*tp_basicsize*/ sizeof(BPy_FrsNoise),
/*tp_itemsize*/ 0,
/*tp_dealloc*/ (destructor)FrsNoise_dealloc,
/*tp_vectorcall_offset*/ 0,
/*tp_getattr*/ nullptr,
/*tp_setattr*/ nullptr,
/*tp_as_async*/ nullptr,
/*tp_repr*/ (reprfunc)FrsNoise_repr,
/*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 | Py_TPFLAGS_BASETYPE,
/*tp_doc*/ FrsNoise_doc,
/*tp_traverse*/ nullptr,
/*tp_clear*/ nullptr,
/*tp_richcompare*/ nullptr,
/*tp_weaklistoffset*/ 0,
/*tp_iter*/ nullptr,
/*tp_iternext*/ nullptr,
/*tp_methods*/ BPy_FrsNoise_methods,
/*tp_members*/ nullptr,
/*tp_getset*/ nullptr,
/*tp_base*/ nullptr,
/*tp_dict*/ nullptr,
/*tp_descr_get*/ nullptr,
/*tp_descr_set*/ nullptr,
/*tp_dictoffset*/ 0,
/*tp_init*/ (initproc)FrsNoise_init,
/*tp_alloc*/ nullptr,
/*tp_new*/ PyType_GenericNew,
};
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif