/usr/include/graphene-1.0/graphene-plane.h is in libgraphene-1.0-dev 1.8.0-1.
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 | /* graphene-plane.h: A plane in 3D space
*
* Copyright 2014 Emmanuele Bassi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __GRAPHENE_PLANE_H__
#define __GRAPHENE_PLANE_H__
#if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION)
#error "Only graphene.h can be included directly."
#endif
#include "graphene-types.h"
#include "graphene-vec3.h"
GRAPHENE_BEGIN_DECLS
/**
* graphene_plane_t:
*
* A 2D plane that extends infinitely in a 3D volume.
*
* The contents of the `graphene_plane_t` are private, and should not be
* modified directly.
*
* Since: 1.2
*/
struct _graphene_plane_t
{
/*< private >*/
GRAPHENE_PRIVATE_FIELD (graphene_vec3_t, normal);
GRAPHENE_PRIVATE_FIELD (float, constant);
};
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_alloc (void);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_plane_free (graphene_plane_t *p);
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_init (graphene_plane_t *p,
const graphene_vec3_t *normal,
float constant);
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_init_from_vec4 (graphene_plane_t *p,
const graphene_vec4_t *src);
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_init_from_plane (graphene_plane_t *p,
const graphene_plane_t *src);
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_init_from_point (graphene_plane_t *p,
const graphene_vec3_t *normal,
const graphene_point3d_t *point);
GRAPHENE_AVAILABLE_IN_1_2
graphene_plane_t * graphene_plane_init_from_points (graphene_plane_t *p,
const graphene_point3d_t *a,
const graphene_point3d_t *b,
const graphene_point3d_t *c);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_plane_normalize (const graphene_plane_t *p,
graphene_plane_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_plane_negate (const graphene_plane_t *p,
graphene_plane_t *res);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_plane_equal (const graphene_plane_t *a,
const graphene_plane_t *b);
GRAPHENE_AVAILABLE_IN_1_2
float graphene_plane_distance (const graphene_plane_t *p,
const graphene_point3d_t *point);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_plane_get_normal (const graphene_plane_t *p,
graphene_vec3_t *normal);
GRAPHENE_AVAILABLE_IN_1_2
float graphene_plane_get_constant (const graphene_plane_t *p);
GRAPHENE_END_DECLS
#endif /* __GRAPHENE_PLANE_H__ */
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