/usr/include/graphene-1.0/graphene-point.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* graphene-point.h: Point and Size
*
* 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_POINT_H__
#define __GRAPHENE_POINT_H__
#if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION)
#error "Only graphene.h can be included directly."
#endif
#include "graphene-types.h"
GRAPHENE_BEGIN_DECLS
/**
* GRAPHENE_POINT_INIT:
* @_x: the X coordinate
* @_y: the Y coordinate
*
* Initializes a #graphene_point_t with the given coordinates
* when declaring it, e.g:
*
* |[<!-- language="C" -->
* graphene_point_t p = GRAPHENE_POINT_INIT (10.f, 10.f);
* ]|
*
* Since: 1.0
*/
#define GRAPHENE_POINT_INIT(_x,_y) (graphene_point_t) { .x = (_x), .y = (_y) }
/**
* GRAPHENE_POINT_INIT_ZERO:
*
* Initializes a #graphene_point_t to (0, 0) when declaring it.
*
* Since: 1.0
*/
#define GRAPHENE_POINT_INIT_ZERO GRAPHENE_POINT_INIT (0.f, 0.f)
/**
* graphene_point_t:
* @x: the X coordinate of the point
* @y: the Y coordinate of the point
*
* A point with two coordinates.
*
* Since: 1.0
*/
struct _graphene_point_t
{
float x;
float y;
};
GRAPHENE_AVAILABLE_IN_1_0
graphene_point_t * graphene_point_alloc (void);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_point_free (graphene_point_t *p);
GRAPHENE_AVAILABLE_IN_1_0
graphene_point_t * graphene_point_init (graphene_point_t *p,
float x,
float y);
GRAPHENE_AVAILABLE_IN_1_0
graphene_point_t * graphene_point_init_from_point (graphene_point_t *p,
const graphene_point_t *src);
GRAPHENE_AVAILABLE_IN_1_4
graphene_point_t * graphene_point_init_from_vec2 (graphene_point_t *p,
const graphene_vec2_t *src);
GRAPHENE_AVAILABLE_IN_1_0
bool graphene_point_equal (const graphene_point_t *a,
const graphene_point_t *b);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_point_distance (const graphene_point_t *a,
const graphene_point_t *b,
float *d_x,
float *d_y);
GRAPHENE_AVAILABLE_IN_1_0
bool graphene_point_near (const graphene_point_t *a,
const graphene_point_t *b,
float epsilon);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_point_interpolate (const graphene_point_t *a,
const graphene_point_t *b,
double factor,
graphene_point_t *res);
GRAPHENE_AVAILABLE_IN_1_4
void graphene_point_to_vec2 (const graphene_point_t *p,
graphene_vec2_t *v);
GRAPHENE_AVAILABLE_IN_1_0
const graphene_point_t * graphene_point_zero (void);
GRAPHENE_END_DECLS
#endif /* __GRAPHENE_POINT_H__ */
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