/* 
 * $Id$
 * ***** 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): Joseph Gilbert
 *
 * ***** END GPL LICENSE BLOCK *****
 *
 */

#ifndef EXPP_matrix_h
#define EXPP_matrix_h

#include <Python.h>

extern PyTypeObject matrix_Type;

#define MatrixObject_Check(v) ((v)->ob_type == &matrix_Type)

typedef float **ptRow;
typedef struct _Matrix {
	PyObject_VAR_HEAD 
	struct{
		float *py_data;		/*python managed*/
		float *blend_data;	/*blender managed*/
	}data;
	ptRow matrix;			/*ptr to the contigPtr (accessor)*/
	float *contigPtr;		/*1D array of data (alias)*/
	int rowSize;
	int colSize;
	int wrapped;			/*is wrapped data?*/
	PyObject *coerced_object;
} MatrixObject;
/*coerced_object is a pointer to the object that it was
coerced from when a dummy vector needs to be created from
the coerce() function for numeric protocol operations*/

/*struct data contains a pointer to the actual data that the
object uses. It can use either PyMem allocated data (which will
be stored in py_data) or be a wrapper for data allocated through
blender (stored in blend_data). This is an either/or struct not both*/

/*prototypes*/
PyObject *Matrix_Zero( MatrixObject * self );
PyObject *Matrix_Identity( MatrixObject * self );
PyObject *Matrix_Transpose( MatrixObject * self );
PyObject *Matrix_Determinant( MatrixObject * self );
PyObject *Matrix_Invert( MatrixObject * self );
PyObject *Matrix_TranslationPart( MatrixObject * self );
PyObject *Matrix_RotationPart( MatrixObject * self );
PyObject *Matrix_scalePart( MatrixObject * self );
PyObject *Matrix_Resize4x4( MatrixObject * self );
PyObject *Matrix_toEuler( MatrixObject * self );
PyObject *Matrix_toQuat( MatrixObject * self );
PyObject *Matrix_copy( MatrixObject * self );
PyObject *newMatrixObject(float *mat, int rowSize, int colSize, int type);

#endif				/* EXPP_matrix_H */