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/* graphene-vec2.h: 2-coords vector
*
* SPDX-License-Identifier: MIT
*
* 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.
*/
#pragma once
#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_ALIGNED_DECL (GRAPHENE_PRIVATE_FIELD (graphene_simd4f_t, value), 16);
};
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_10
void graphene_vec2_interpolate (const graphene_vec2_t *v1,
const graphene_vec2_t *v2,
double factor,
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