mirror of https://github.com/GNOME/gimp.git
115 lines
2.0 KiB
C
115 lines
2.0 KiB
C
/* 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;
|
|
};
|
|
|
|
/**
|
|
* GimpVector3:
|
|
* @x: the x axis
|
|
* @y: the y axis
|
|
* @z: the z axis
|
|
*
|
|
* A three dimensional vector.
|
|
**/
|
|
struct _GimpVector3
|
|
{
|
|
gdouble x, y, z;
|
|
};
|
|
|
|
/**
|
|
* 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__ */
|