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