/* graphene-quad.h: Quad * * 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 #include "graphene-types.h" #include "graphene-point.h" GRAPHENE_BEGIN_DECLS /** * graphene_quad_t: * * A 4 vertex quadrilateral, as represented by four #graphene_point_t. * * The contents of a #graphene_quad_t are private and should never be * accessed directly. * * Since: 1.0 */ struct _graphene_quad_t { /*< private >*/ GRAPHENE_PRIVATE_FIELD (graphene_point_t, points[4]); }; GRAPHENE_AVAILABLE_IN_1_0 graphene_quad_t * graphene_quad_alloc (void); GRAPHENE_AVAILABLE_IN_1_0 void graphene_quad_free (graphene_quad_t *q); GRAPHENE_AVAILABLE_IN_1_0 graphene_quad_t * graphene_quad_init (graphene_quad_t *q, const graphene_point_t *p1, const graphene_point_t *p2, const graphene_point_t *p3, const graphene_point_t *p4); GRAPHENE_AVAILABLE_IN_1_0 graphene_quad_t * graphene_quad_init_from_rect (graphene_quad_t *q, const graphene_rect_t *r); GRAPHENE_AVAILABLE_IN_1_2 graphene_quad_t * graphene_quad_init_from_points (graphene_quad_t *q, const graphene_point_t points[]); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_quad_contains (const graphene_quad_t *q, const graphene_point_t *p); GRAPHENE_AVAILABLE_IN_1_0 void graphene_quad_bounds (const graphene_quad_t *q, graphene_rect_t *r); GRAPHENE_AVAILABLE_IN_1_0 const graphene_point_t *graphene_quad_get_point (const graphene_quad_t *q, unsigned int index_); GRAPHENE_END_DECLS