| 1 | /* graphene-quad.h: Quad |
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| 2 | * |
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| 3 | * SPDX-License-Identifier: MIT |
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| 4 | * |
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| 5 | * Copyright 2014 Emmanuele Bassi |
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| 6 | * |
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 8 | * of this software and associated documentation files (the "Software"), to deal |
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| 9 | * in the Software without restriction, including without limitation the rights |
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| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 11 | * copies of the Software, and to permit persons to whom the Software is |
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| 12 | * furnished to do so, subject to the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice shall be included in |
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| 15 | * all copies or substantial portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 23 | * THE SOFTWARE. |
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| 24 | */ |
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| 25 | |
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| 26 | #pragma once |
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| 27 | |
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| 28 | #include "graphene-types.h" |
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| 29 | #include "graphene-point.h" |
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| 30 | |
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| 31 | GRAPHENE_BEGIN_DECLS |
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| 32 | |
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| 33 | /** |
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| 34 | * graphene_quad_t: |
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| 35 | * |
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| 36 | * A 4 vertex quadrilateral, as represented by four #graphene_point_t. |
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| 37 | * |
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| 38 | * The contents of a #graphene_quad_t are private and should never be |
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| 39 | * accessed directly. |
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| 40 | * |
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| 41 | * Since: 1.0 |
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| 42 | */ |
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| 43 | struct _graphene_quad_t |
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| 44 | { |
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| 45 | /*< private >*/ |
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| 46 | GRAPHENE_PRIVATE_FIELD (graphene_point_t, points[4]); |
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| 47 | }; |
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| 48 | |
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| 49 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 50 | graphene_quad_t * graphene_quad_alloc (void); |
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| 51 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 52 | void graphene_quad_free (graphene_quad_t *q); |
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| 53 | |
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| 54 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 55 | graphene_quad_t * graphene_quad_init (graphene_quad_t *q, |
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| 56 | const graphene_point_t *p1, |
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| 57 | const graphene_point_t *p2, |
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| 58 | const graphene_point_t *p3, |
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| 59 | const graphene_point_t *p4); |
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| 60 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 61 | graphene_quad_t * graphene_quad_init_from_rect (graphene_quad_t *q, |
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| 62 | const graphene_rect_t *r); |
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| 63 | GRAPHENE_AVAILABLE_IN_1_2 |
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| 64 | graphene_quad_t * graphene_quad_init_from_points (graphene_quad_t *q, |
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| 65 | const graphene_point_t points[]); |
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| 66 | |
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| 67 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 68 | bool graphene_quad_contains (const graphene_quad_t *q, |
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| 69 | const graphene_point_t *p); |
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| 70 | |
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| 71 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 72 | void graphene_quad_bounds (const graphene_quad_t *q, |
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| 73 | graphene_rect_t *r); |
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| 74 | |
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| 75 | GRAPHENE_AVAILABLE_IN_1_0 |
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| 76 | const graphene_point_t *graphene_quad_get_point (const graphene_quad_t *q, |
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| 77 | unsigned int index_); |
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| 78 | |
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| 79 | GRAPHENE_END_DECLS |
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| 80 | |
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