/usr/include/graphene-1.0/graphene-vec2.h is in libgraphene-1.0-dev 1.8.0-1.
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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 | /* graphene-vec2.h: 2-coords vector
*
* 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_VEC2_H__
#define __GRAPHENE_VEC2_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_vec2_t:
*
* A structure capable of holding a vector with two dimensions, x and y.
*
* The contents of the #graphene_vec2_t structure are private and should
* never be accessed directly.
*/
struct _graphene_vec2_t
{
/*< private >*/
GRAPHENE_PRIVATE_FIELD (graphene_simd4f_t, value);
};
GRAPHENE_AVAILABLE_IN_1_0
graphene_vec2_t * graphene_vec2_alloc (void);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_free (graphene_vec2_t *v);
GRAPHENE_AVAILABLE_IN_1_0
graphene_vec2_t * graphene_vec2_init (graphene_vec2_t *v,
float x,
float y);
GRAPHENE_AVAILABLE_IN_1_0
graphene_vec2_t * graphene_vec2_init_from_vec2 (graphene_vec2_t *v,
const graphene_vec2_t *src);
GRAPHENE_AVAILABLE_IN_1_0
graphene_vec2_t * graphene_vec2_init_from_float (graphene_vec2_t *v,
const float *src);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_to_float (const graphene_vec2_t *v,
float *dest);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_add (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_subtract (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_multiply (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_divide (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_vec2_dot (const graphene_vec2_t *a,
const graphene_vec2_t *b);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_vec2_length (const graphene_vec2_t *v);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_normalize (const graphene_vec2_t *v,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_vec2_scale (const graphene_vec2_t *v,
float factor,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_2
void graphene_vec2_negate (const graphene_vec2_t *v,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_vec2_near (const graphene_vec2_t *v1,
const graphene_vec2_t *v2,
float epsilon);
GRAPHENE_AVAILABLE_IN_1_2
bool graphene_vec2_equal (const graphene_vec2_t *v1,
const graphene_vec2_t *v2);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_min (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
void graphene_vec2_max (const graphene_vec2_t *a,
const graphene_vec2_t *b,
graphene_vec2_t *res);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_vec2_get_x (const graphene_vec2_t *v);
GRAPHENE_AVAILABLE_IN_1_0
float graphene_vec2_get_y (const graphene_vec2_t *v);
GRAPHENE_AVAILABLE_IN_1_0
const graphene_vec2_t * graphene_vec2_zero (void);
GRAPHENE_AVAILABLE_IN_1_0
const graphene_vec2_t * graphene_vec2_one (void);
GRAPHENE_AVAILABLE_IN_1_0
const graphene_vec2_t * graphene_vec2_x_axis (void);
GRAPHENE_AVAILABLE_IN_1_0
const graphene_vec2_t * graphene_vec2_y_axis (void);
GRAPHENE_END_DECLS
#endif /* __GRAPHENE_VECTORS_H__ */
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