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 | |
34 | GRAPHENE_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 | */ |
70 | struct _graphene_size_t |
71 | { |
72 | float width; |
73 | float height; |
74 | }; |
75 | |
76 | GRAPHENE_AVAILABLE_IN_1_0 |
77 | graphene_size_t * graphene_size_alloc (void); |
78 | GRAPHENE_AVAILABLE_IN_1_0 |
79 | void graphene_size_free (graphene_size_t *s); |
80 | GRAPHENE_AVAILABLE_IN_1_0 |
81 | graphene_size_t * graphene_size_init (graphene_size_t *s, |
82 | float width, |
83 | float height); |
84 | GRAPHENE_AVAILABLE_IN_1_0 |
85 | graphene_size_t * graphene_size_init_from_size (graphene_size_t *s, |
86 | const graphene_size_t *src); |
87 | GRAPHENE_AVAILABLE_IN_1_0 |
88 | bool graphene_size_equal (const graphene_size_t *a, |
89 | const graphene_size_t *b); |
90 | |
91 | GRAPHENE_AVAILABLE_IN_1_0 |
92 | void graphene_size_scale (const graphene_size_t *s, |
93 | float factor, |
94 | graphene_size_t *res); |
95 | GRAPHENE_AVAILABLE_IN_1_0 |
96 | void graphene_size_interpolate (const graphene_size_t *a, |
97 | const graphene_size_t *b, |
98 | double factor, |
99 | graphene_size_t *res); |
100 | |
101 | GRAPHENE_AVAILABLE_IN_1_0 |
102 | const graphene_size_t * graphene_size_zero (void); |
103 | |
104 | GRAPHENE_END_DECLS |
105 | |