/usr/include/gimp-2.0/libgimpmath/gimpvector.h is in libgimp2.0-dev 2.6.12-1ubuntu1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpvector.h
*
* The gimp_vector* functions were taken from:
* GCK - The General Convenience Kit
* Copyright (C) 1996 Tom Bech
*
* 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 2 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_VECTOR_H__
#define __GIMP_VECTOR_H__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
struct _GimpVector2
{
gdouble x, y;
};
struct _GimpVector3
{
gdouble x, y, z;
};
struct _GimpVector4
{
gdouble x, y, z, w;
};
/* Two dimensional vector functions */
/* ================================ */
GimpVector2 gimp_vector2_new (gdouble x,
gdouble y);
void gimp_vector2_set (GimpVector2 *vector,
gdouble x,
gdouble y);
gdouble gimp_vector2_length (const GimpVector2 *vector);
gdouble gimp_vector2_length_val (GimpVector2 vector);
void gimp_vector2_mul (GimpVector2 *vector,
gdouble factor);
GimpVector2 gimp_vector2_mul_val (GimpVector2 vector,
gdouble factor);
void gimp_vector2_normalize (GimpVector2 *vector);
GimpVector2 gimp_vector2_normalize_val (GimpVector2 vector);
void gimp_vector2_neg (GimpVector2 *vector);
GimpVector2 gimp_vector2_neg_val (GimpVector2 vector);
void gimp_vector2_add (GimpVector2 *result,
const GimpVector2 *vector1,
const GimpVector2 *vector2);
GimpVector2 gimp_vector2_add_val (GimpVector2 vector1,
GimpVector2 vector2);
void gimp_vector2_sub (GimpVector2 *result,
const GimpVector2 *vector1,
const GimpVector2 *vector2);
GimpVector2 gimp_vector2_sub_val (GimpVector2 vector1,
GimpVector2 vector2);
gdouble gimp_vector2_inner_product (const GimpVector2 *vector1,
const GimpVector2 *vector2);
gdouble gimp_vector2_inner_product_val (GimpVector2 vector1,
GimpVector2 vector2);
GimpVector2 gimp_vector2_cross_product (const GimpVector2 *vector1,
const GimpVector2 *vector2);
GimpVector2 gimp_vector2_cross_product_val (GimpVector2 vector1,
GimpVector2 vector2);
void gimp_vector2_rotate (GimpVector2 *vector,
gdouble alpha);
GimpVector2 gimp_vector2_rotate_val (GimpVector2 vector,
gdouble alpha);
/* Three dimensional vector functions */
/* ================================== */
GimpVector3 gimp_vector3_new (gdouble x,
gdouble y,
gdouble z);
void gimp_vector3_set (GimpVector3 *vector,
gdouble x,
gdouble y,
gdouble z);
gdouble gimp_vector3_length (const GimpVector3 *vector);
gdouble gimp_vector3_length_val (GimpVector3 vector);
void gimp_vector3_mul (GimpVector3 *vector,
gdouble factor);
GimpVector3 gimp_vector3_mul_val (GimpVector3 vector,
gdouble factor);
void gimp_vector3_normalize (GimpVector3 *vector);
GimpVector3 gimp_vector3_normalize_val (GimpVector3 vector);
void gimp_vector3_neg (GimpVector3 *vector);
GimpVector3 gimp_vector3_neg_val (GimpVector3 vector);
void gimp_vector3_add (GimpVector3 *result,
const GimpVector3 *vector1,
const GimpVector3 *vector2);
GimpVector3 gimp_vector3_add_val (GimpVector3 vector1,
GimpVector3 vector2);
void gimp_vector3_sub (GimpVector3 *result,
const GimpVector3 *vector1,
const GimpVector3 *vector2);
GimpVector3 gimp_vector3_sub_val (GimpVector3 vector1,
GimpVector3 vector2);
gdouble gimp_vector3_inner_product (const GimpVector3 *vector1,
const GimpVector3 *vector2);
gdouble gimp_vector3_inner_product_val (GimpVector3 vector1,
GimpVector3 vector2);
GimpVector3 gimp_vector3_cross_product (const GimpVector3 *vector1,
const GimpVector3 *vector2);
GimpVector3 gimp_vector3_cross_product_val (GimpVector3 vector1,
GimpVector3 vector2);
void gimp_vector3_rotate (GimpVector3 *vector,
gdouble alpha,
gdouble beta,
gdouble gamma);
GimpVector3 gimp_vector3_rotate_val (GimpVector3 vector,
gdouble alpha,
gdouble beta,
gdouble gamma);
/* 2d <-> 3d Vector projection functions */
/* ===================================== */
void gimp_vector_2d_to_3d (gint sx,
gint sy,
gint w,
gint h,
gint x,
gint y,
const GimpVector3 *vp,
GimpVector3 *p);
GimpVector3 gimp_vector_2d_to_3d_val (gint sx,
gint sy,
gint w,
gint h,
gint x,
gint y,
GimpVector3 vp,
GimpVector3 p);
void gimp_vector_3d_to_2d (gint sx,
gint sy,
gint w,
gint h,
gdouble *x,
gdouble *y,
const GimpVector3 *vp,
const GimpVector3 *p);
G_END_DECLS
#endif /* __GIMP_VECTOR_H__ */
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