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author | Campbell Barton <ideasman42@gmail.com> | 2012-02-23 09:20:09 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2012-02-23 09:20:09 +0400 |
commit | 0dc50a0e079a5ba552a8ea223039a64afa5c84db (patch) | |
tree | 5fb99b15246736308050a42a48ba598d23772278 /source/blender/python/bmesh/bmesh_py_utils.c | |
parent | 38f546a614a2e52f284ebce64b9bcf6f287128b5 (diff) |
bmesh py api, new submodules
* bmesh.types, just allows access to BMVert, BMEdge etc.
* bmesh.utils, so far only added edge_split() function, this module will give access to mesh editing functions.
Diffstat (limited to 'source/blender/python/bmesh/bmesh_py_utils.c')
-rw-r--r-- | source/blender/python/bmesh/bmesh_py_utils.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/source/blender/python/bmesh/bmesh_py_utils.c b/source/blender/python/bmesh/bmesh_py_utils.c new file mode 100644 index 00000000000..5e8464a30ef --- /dev/null +++ b/source/blender/python/bmesh/bmesh_py_utils.c @@ -0,0 +1,133 @@ +/* + * ***** 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.utils' module. + * Utility functions for operating on 'bmesh.types' + */ + + + +#include <Python.h> + +#include "bmesh.h" + +#include "bmesh_py_types.h" + +#include "BLI_utildefines.h" + +#include "bmesh_py_utils.h" /* own include */ + +PyDoc_STRVAR(bpy_bm_utils_edge_split_doc, +".. method:: edge_split(vert, edge, fac)\n" +"\n" +" Split an edge, return the newly created data.\n" +"\n" +" :arg edge: The edge to split.\n" +" :type edge: :class:`bmesh.tupes.BMEdge`\n" +" :arg vert: One of the verts on the edge, defines the split direction.\n" +" :type vert: :class:`bmesh.tupes.BMVert`\n" +" :arg fac: The point on the edge where the new vert will be created.\n" +" :type fac: float\n" +" :return: The newly created (edge, vert) pair.\n" +" :rtype: tuple\n" +); + +static PyObject *bpy_bm_utils_edge_split(PyObject *UNUSED(self), PyObject *args) +{ + BPy_BMEdge *py_edge; + BPy_BMVert *py_vert; + float fac; + + BMesh *bm; + BMVert *v_new = NULL; + BMEdge *e_new = NULL; + + if (!PyArg_ParseTuple(args, "O!O!f:edge_split", + &BPy_BMEdge_Type, &py_edge, + &BPy_BMVert_Type, &py_vert, + &fac)) + { + return NULL; + } + + BPY_BM_CHECK_OBJ(py_edge); + BPY_BM_CHECK_OBJ(py_vert); + + if (!(py_edge->e->v1 == py_vert->v || + py_edge->e->v2 == py_vert->v)) + { + PyErr_SetString(PyExc_ValueError, + "edge_split(edge, vert): the vertex is not found in the edge"); + return NULL; + } + + bm = py_edge->bm; + + v_new = BM_edge_split(bm, py_edge->e, py_vert->v, &e_new, fac); + + if (v_new && e_new) { + PyObject *ret = PyTuple_New(2); + PyTuple_SET_ITEM(ret, 0, BPy_BMEdge_CreatePyObject(bm, e_new)); + PyTuple_SET_ITEM(ret, 1, BPy_BMVert_CreatePyObject(bm, v_new)); + return ret; + } + else { + PyErr_SetString(PyExc_ValueError, + "edge_split(edge, vert): couldn't split the edge, internal error"); + return NULL; + } +} + +static struct PyMethodDef BPy_BM_utils_methods[] = { + {"edge_split", (PyCFunction)bpy_bm_utils_edge_split, METH_VARARGS, bpy_bm_utils_edge_split_doc}, + {NULL, NULL, 0, NULL} +}; + +PyDoc_STRVAR(BPy_BM_doc, +"This module provides access to blenders bmesh data structures." +); +static struct PyModuleDef BPy_BM_types_module_def = { + PyModuleDef_HEAD_INIT, + "bmesh.utils", /* m_name */ + BPy_BM_doc, /* m_doc */ + 0, /* m_size */ + BPy_BM_utils_methods, /* m_methods */ + NULL, /* m_reload */ + NULL, /* m_traverse */ + NULL, /* m_clear */ + NULL, /* m_free */ +}; + +PyObject *BPyInit_bmesh_utils(void) +{ + PyObject *submodule; + + submodule = PyModule_Create(&BPy_BM_types_module_def); + + return submodule; +} |