1/* graphene-size.h: Size
2 *
3 * SPDX-License-Identifier: MIT
4 *
5 * Copyright 2014 Emmanuele Bassi
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26#pragma once
27
28#if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION)
29#error "Only graphene.h can be included directly."
30#endif
31
32#include "graphene-types.h"
33
34GRAPHENE_BEGIN_DECLS
35
36/**
37 * GRAPHENE_SIZE_INIT:
38 * @_w: the width
39 * @_h: the height
40 *
41 * Initializes a #graphene_size_t with the given sizes when
42 * declaring it, e.g.:
43 *
44 * |[<!-- language="C" -->
45 * graphene_size_t size = GRAPHENE_SIZE_INIT (100.f, 100.f);
46 * ]|
47 *
48 * Since: 1.0
49 */
50#define GRAPHENE_SIZE_INIT(_w,_h) (graphene_size_t) { .width = (_w), .height = (_h) }
51
52/**
53 * GRAPHENE_SIZE_INIT_ZERO:
54 *
55 * Initializes a #graphene_size_t to (0, 0) when declaring it.
56 *
57 * Since: 1.0
58 */
59#define GRAPHENE_SIZE_INIT_ZERO GRAPHENE_SIZE_INIT (0.f, 0.f)
60
61/**
62 * graphene_size_t:
63 * @width: the width
64 * @height: the height
65 *
66 * A size.
67 *
68 * Since: 1.0
69 */
70struct _graphene_size_t
71{
72 float width;
73 float height;
74};
75
76GRAPHENE_AVAILABLE_IN_1_0
77graphene_size_t * graphene_size_alloc (void);
78GRAPHENE_AVAILABLE_IN_1_0
79void graphene_size_free (graphene_size_t *s);
80GRAPHENE_AVAILABLE_IN_1_0
81graphene_size_t * graphene_size_init (graphene_size_t *s,
82 float width,
83 float height);
84GRAPHENE_AVAILABLE_IN_1_0
85graphene_size_t * graphene_size_init_from_size (graphene_size_t *s,
86 const graphene_size_t *src);
87GRAPHENE_AVAILABLE_IN_1_0
88bool graphene_size_equal (const graphene_size_t *a,
89 const graphene_size_t *b);
90
91GRAPHENE_AVAILABLE_IN_1_0
92void graphene_size_scale (const graphene_size_t *s,
93 float factor,
94 graphene_size_t *res);
95GRAPHENE_AVAILABLE_IN_1_0
96void graphene_size_interpolate (const graphene_size_t *a,
97 const graphene_size_t *b,
98 double factor,
99 graphene_size_t *res);
100
101GRAPHENE_AVAILABLE_IN_1_0
102const graphene_size_t * graphene_size_zero (void);
103
104GRAPHENE_END_DECLS
105

source code of gtk/subprojects/graphene/include/graphene-size.h