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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2012 Blender Foundation.
* All rights reserved.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/python/bmesh/bmesh_py_api.c
* \ingroup pybmesh
*
* This file defines the 'bmesh' module.
*/
#include <Python.h>
#include "bmesh.h"
#include "bmesh_py_types.h"
#include "bmesh_py_utils.h"
#include "bmesh_py_select.h"
#include "BLI_utildefines.h"
#include "BKE_tessmesh.h"
#include "BKE_depsgraph.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "../generic/py_capi_utils.h"
#include "bmesh_py_api.h" /* own include */
PyDoc_STRVAR(bpy_bm_new_doc,
".. method:: new()\n"
"\n"
" :return: Retyrn a new, empty mesh.\n"
" :rtype: :class:`BMesh`\n"
);
static PyObject *bpy_bm_new(PyObject *UNUSED(self))
{
BPy_BMesh *py_bmesh;
BMesh *bm;
bm = BM_mesh_create(NULL, &bm_mesh_allocsize_default);
py_bmesh = (BPy_BMesh *)BPy_BMesh_CreatePyObject(bm);
py_bmesh->py_owns = TRUE;
return (PyObject *)py_bmesh;
}
PyDoc_STRVAR(bpy_bm_from_mesh_doc,
".. method:: from_mesh(mesh)\n"
"\n"
" Return a BMesh from this mesh, currently the mesh must already be in editmode.\n"
"\n"
" :return: the BMesh assosiated with this mesh.\n"
" :rtype: :class:`bmesh.types.BMesh`\n"
);
static PyObject *bpy_bm_from_mesh(PyObject *UNUSED(self), PyObject *value)
{
BPy_BMesh *py_bmesh;
BMesh *bm;
Mesh *me = PyC_RNA_AsPointer(value, "Mesh");
int py_owns;
if (me == NULL) {
return NULL;
}
/* temp! */
if (!me->edit_btmesh) {
bm = BM_mesh_create(NULL, &bm_mesh_allocsize_default);
BM_mesh_to_bmesh(bm, me, 0, 0); /* BMESH_TODO add args */
py_owns = TRUE;
}
else {
bm = me->edit_btmesh->bm;
py_owns = FALSE;
}
py_bmesh = (BPy_BMesh *)BPy_BMesh_CreatePyObject(bm);
py_bmesh->py_owns = py_owns;
return (PyObject *)py_bmesh;
}
PyDoc_STRVAR(bpy_bm_to_mesh_doc,
".. method:: to_mesh(mesh, bmesh)\n"
"\n"
" Return a BMesh from this mesh, currently the mesh must already be in editmode.\n"
"\n"
" :return: the BMesh assosiated with this mesh.\n"
" :rtype: :class:`bmesh.types.BMesh`\n"
);
static PyObject *bpy_bm_to_mesh(PyObject *UNUSED(self), PyObject *args)
{
PyObject *py_mesh;
BPy_BMesh *py_bmesh;
Mesh *me;
BMesh *bm;
if (!PyArg_ParseTuple(args, "OO!:to_mesh", &py_mesh, &BPy_BMesh_Type, &py_bmesh) ||
!(me = PyC_RNA_AsPointer(py_mesh, "Mesh")))
{
return NULL;
}
BPY_BM_CHECK_OBJ(py_bmesh);
if (me->edit_btmesh) {
PyErr_Format(PyExc_ValueError,
"to_mesh(): Mesh '%s' is in editmode", me->id.name + 2);
return NULL;
}
bm = py_bmesh->bm;
BM_mesh_from_bmesh(bm, me, FALSE);
/* we could have the user do this but if they forget blender can easy crash
* since the references arrays for the objects derived meshes are now invalid */
DAG_id_tag_update(&me->id, OB_RECALC_DATA);
Py_RETURN_NONE;
}
static struct PyMethodDef BPy_BM_methods[] = {
/* THESE NAMES MAY CHANGE! */
{"new", (PyCFunction)bpy_bm_new, METH_NOARGS, bpy_bm_new_doc},
{"from_mesh", (PyCFunction)bpy_bm_from_mesh, METH_O, bpy_bm_from_mesh_doc},
{"to_mesh", (PyCFunction)bpy_bm_to_mesh, METH_VARARGS, bpy_bm_to_mesh_doc},
{NULL, NULL, 0, NULL}
};
PyDoc_STRVAR(BPy_BM_doc,
"This module provides access to blenders bmesh data structures.\n"
"\n"
"\n"
"Submodules:\n"
"\n"
"* :mod:`bmesh.utils`\n"
"* :mod:`bmesh.types`\n"
);
static struct PyModuleDef BPy_BM_module_def = {
PyModuleDef_HEAD_INIT,
"bmesh", /* m_name */
BPy_BM_doc, /* m_doc */
0, /* m_size */
BPy_BM_methods, /* m_methods */
NULL, /* m_reload */
NULL, /* m_traverse */
NULL, /* m_clear */
NULL, /* m_free */
};
PyObject *BPyInit_bmesh(void)
{
PyObject *mod;
PyObject *submodule;
PyObject *sys_modules = PySys_GetObject("modules"); /* not pretty */
BPy_BM_init_types();
BPy_BM_init_select_types();
mod = PyModule_Create(&BPy_BM_module_def);
/* bmesh.types */
PyModule_AddObject(mod, "types", (submodule=BPyInit_bmesh_types()));
PyDict_SetItemString(sys_modules, "bmesh.types", submodule);
Py_INCREF(submodule);
PyModule_AddObject(mod, "utils", (submodule=BPyInit_bmesh_utils()));
PyDict_SetItemString(sys_modules, "bmesh.utils", submodule);
Py_INCREF(submodule);
return mod;
}
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