bmesh_py_types_customdata.hh

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/* SPDX-FileCopyrightText: 2012 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include <Python.h>
 
#include "bmesh_py_types.hh"
 
struct BMesh;
 
/* All use #BPy_BMLayerAccess struct. */
 
extern PyTypeObject BPy_BMLayerAccessVert_Type;
extern PyTypeObject BPy_BMLayerAccessEdge_Type;
extern PyTypeObject BPy_BMLayerAccessFace_Type;
extern PyTypeObject BPy_BMLayerAccessLoop_Type;
 
extern PyTypeObject BPy_BMLayerCollection_Type;
extern PyTypeObject BPy_BMLayerItem_Type;
 
#define BPy_BMLayerAccess_Check(v) (Py_TYPE(v) == &BPy_BMLayerAccess_Type)
#define BPy_BMLayerCollection_Check(v) (Py_TYPE(v) == &BPy_BMLayerCollection_Type)
#define BPy_BMLayerItem_Check(v) (Py_TYPE(v) == &BPy_BMLayerItem_Type)

struct BPy_BMLayerAccess {
  PyObject_VAR_HEAD
  BMesh *bm; /* keep first */
  char htype;
};

struct BPy_BMLayerCollection {
  PyObject_VAR_HEAD
  BMesh *bm; /* keep first */
  char htype;
  int type; /* customdata type - CD_XXX */
};

struct BPy_BMLayerItem {
  PyObject_VAR_HEAD
  BMesh *bm; /* keep first */
  char htype;
  int type;  /* customdata type - CD_XXX */
  int index; /* index of this layer type */
};
 
[[nodiscard]] PyObject *BPy_BMLayerAccess_CreatePyObject(BMesh *bm, char htype);
[[nodiscard]] PyObject *BPy_BMLayerCollection_CreatePyObject(BMesh *bm, char htype, int type);
[[nodiscard]] PyObject *BPy_BMLayerItem_CreatePyObject(BMesh *bm, char htype, int type, int index);
 
void BPy_BM_init_types_customdata();

[[nodiscard]] PyObject *BPy_BMLayerItem_GetItem(BPy_BMElem *py_ele, BPy_BMLayerItem *py_layer);
[[nodiscard]] int BPy_BMLayerItem_SetItem(BPy_BMElem *py_ele,
                                          BPy_BMLayerItem *py_layer,
                                          PyObject *value);