forked from enlightenment/efl
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2007-2014 Jorge Luis Zapata
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_QUAD_H_
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#define EINA_QUAD_H_
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/**
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* @file
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* @ender_group{Eina_Quad}
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*/
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/**
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* @defgroup Eina_Quad Quadrangles
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* @ingroup Eina_Basic
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* @brief Quadrangles operations
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* @{
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*/
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/**
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* Quadrangle definition
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*/
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typedef struct _Eina_Quad
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{
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double x0; /**< Top left x coordinate */
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double y0; /**< Top left y coordinate */
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double x1; /**< Top right x coordinate */
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double y1; /**< Top right y coordinate */
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double x2; /**< Bottom right x coordinate */
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double y2; /**< Bottom right y coordinate */
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double x3; /**< Bottom left x coordinate */
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double y3; /**< Bottom left y coordinate */
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} Eina_Quad;
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EAPI void eina_quad_rectangle_to(const Eina_Quad *q,
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Eina_Rectangle *r);
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EAPI void eina_quad_rectangle_from(Eina_Quad *q,
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const Eina_Rectangle *r);
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EAPI void eina_quad_coords_set(Eina_Quad *q,
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double x1, double y1,
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double x2, double y2,
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double x3, double y3,
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double x4, double y4);
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EAPI void eina_quad_coords_get(const Eina_Quad *q,
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double *x1, double *y1,
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double *x2, double *y2,
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double *x3, double *y3,
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double *x4, double *y4);
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/**
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* @}
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*/
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#endif
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