Campbell Barton
c3675c0e90
also add an assert so invalid index access will raise an error in debug mode, without this it was quite easy to access invalid memory without meaning to. no functional change.
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Joseph Gilbert
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file blender/python/mathutils/mathutils_Matrix.h
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* \ingroup pymathutils
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*/
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#ifndef MATHUTILS_MATRIX_H
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#define MATHUTILS_MATRIX_H
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extern PyTypeObject matrix_Type;
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#define MatrixObject_Check(_v) PyObject_TypeCheck((_v), &matrix_Type)
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#define MATRIX_MAX_DIM 4
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/* to remove pymat->matrix[row][col] */
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#ifdef DEBUG
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# define MATRIX_ASSERT(_mat, _row, _col) (BLI_assert(_row < (_mat)->row_size && _col < (_mat)->col_size))
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#else
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# define MATRIX_ASSERT(_mat, _row, _col) (void)0
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#endif
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#define MATRIX_ITEM_INDEX(_mat, _row, _col) (MATRIX_ASSERT(_mat, _row, _col), (((_mat)->col_size * (_row)) + (_col)))
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#define MATRIX_ITEM_PTR( _mat, _row, _col) ((_mat)->contigPtr + MATRIX_ITEM_INDEX(_mat, _row, _col))
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#define MATRIX_ITEM( _mat, _row, _col) ((_mat)->contigPtr [MATRIX_ITEM_INDEX(_mat, _row, _col)])
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#define MATRIX_ROW_INDEX(_mat, _row) (MATRIX_ITEM_INDEX(_mat, _row, 0))
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#define MATRIX_ROW_PTR( _mat, _row) ((_mat)->contigPtr + MATRIX_ROW_INDEX(_mat, _row))
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typedef struct {
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BASE_MATH_MEMBERS(contigPtr);
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unsigned short row_size;
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unsigned short col_size;
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} MatrixObject;
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/*struct data contains a pointer to the actual data that the
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object uses. It can use either PyMem allocated data (which will
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be stored in py_data) or be a wrapper for data allocated through
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blender (stored in blend_data). This is an either/or struct not both*/
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/*prototypes*/
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PyObject *Matrix_CreatePyObject(float *mat,
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const unsigned short row_size, const unsigned short col_size,
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int type, PyTypeObject *base_type);
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PyObject *Matrix_CreatePyObject_cb(PyObject *user, int row_size, int col_size, int cb_type, int cb_subtype);
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extern int mathutils_matrix_vector_cb_index;
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extern struct Mathutils_Callback mathutils_matrix_vector_cb;
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void matrix_as_3x3(float mat[3][3], MatrixObject *self);
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#endif /* MATHUTILS_MATRIX_H */
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