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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpmathtypes.h
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_MATH_TYPES_H__
#define __GIMP_MATH_TYPES_H__
#include <libgimpbase/gimpbasetypes.h>
G_BEGIN_DECLS
typedef struct _GimpMatrix2 GimpMatrix2;
typedef struct _GimpMatrix3 GimpMatrix3;
typedef struct _GimpMatrix4 GimpMatrix4;
/**
* GimpMatrix2
* @coeff: the coefficients
*
* A two by two matrix.
**/
struct _GimpMatrix2
{
gdouble coeff[2][2];
};
/**
* GimpMatrix3
* @coeff: the coefficients
*
* A three by three matrix.
**/
struct _GimpMatrix3
{
gdouble coeff[3][3];
};
/**
* GimpMatrix4
* @coeff: the coefficients
*
* A four by four matrix.
**/
struct _GimpMatrix4
{
gdouble coeff[4][4];
};
typedef struct _GimpVector2 GimpVector2;
typedef struct _GimpVector3 GimpVector3;
typedef struct _GimpVector4 GimpVector4;
/**
* GimpVector2:
* @x: the x axis
* @y: the y axis
*
* A two dimensional vector.
**/
struct _GimpVector2
{
gdouble x, y;
};
/**
* GIMP_TYPE_VECTOR2:
*
* Boxed type representing a two-dimensional vector.
*/
#define GIMP_TYPE_VECTOR2 (gimp_vector2_get_type ())
GType gimp_vector2_get_type (void) G_GNUC_CONST;
/**
* GimpVector3:
* @x: the x axis
* @y: the y axis
* @z: the z axis
*
* A three dimensional vector.
**/
struct _GimpVector3
{
gdouble x, y, z;
};
/**
* GIMP_TYPE_VECTOR3:
*
* Boxed type representing a three-dimensional vector.
*/
#define GIMP_TYPE_VECTOR3 (gimp_vector3_get_type ())
GType gimp_vector3_get_type (void) G_GNUC_CONST;
/**
* GimpVector4:
* @x: the x axis
* @y: the y axis
* @z: the z axis
* @w: the w axis
*
* A four dimensional vector.
**/
struct _GimpVector4
{
gdouble x, y, z, w;
};
G_END_DECLS
#endif /* __GIMP_MATH_TYPES_H__ */
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