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/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef EINA_RECTANGLE_H_
#define EINA_RECTANGLE_H_
#include "eina_types.h"
/**
* @addtogroup Eina_Tools_Group Tools
*
* @{
*/
/**
* @defgroup Eina_Rectangle_Group Rectangle
*
* @{
*/
/**
* @typedef Eina_Rectangle
* Simple rectangle structure.
*/
typedef struct _Eina_Rectangle {
int x;
/**< top-left x co-ordinate of rectangle */
int y;
/**< top-left y co-ordinate of rectangle */
int w;
/**< width of rectangle */
int h;
/**< height of rectangle */
} Eina_Rectangle;
/**
* @typedef Eina_Rectangle_Pool
* Type for an opaque pool of rectangle.
*/
typedef struct _Eina_Rectangle_Pool Eina_Rectangle_Pool;
static inline int eina_spans_intersect(int c1, int l1, int c2,
int l2) EINA_WARN_UNUSED_RESULT;
static inline Eina_Bool eina_rectangle_is_empty(const Eina_Rectangle *
r) EINA_ARG_NONNULL(1)
EINA_WARN_UNUSED_RESULT;
static inline void eina_rectangle_coords_from(Eina_Rectangle * r, int x,
int y, int w,
int h) EINA_ARG_NONNULL(1);
static inline Eina_Bool eina_rectangles_intersect(const Eina_Rectangle *
r1,
const Eina_Rectangle *
r2) EINA_ARG_NONNULL(1,
2)
EINA_WARN_UNUSED_RESULT;
static inline Eina_Bool eina_rectangle_xcoord_inside(const Eina_Rectangle *
r,
int x)
EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
static inline Eina_Bool eina_rectangle_ycoord_inside(const Eina_Rectangle *
r,
int y)
EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
static inline Eina_Bool eina_rectangle_coords_inside(const Eina_Rectangle *
r, int x,
int y)
EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
static inline void eina_rectangle_union(Eina_Rectangle * dst,
const Eina_Rectangle *
src) EINA_ARG_NONNULL(1, 2);
static inline Eina_Bool eina_rectangle_intersection(Eina_Rectangle * dst,
const Eina_Rectangle *
src)
EINA_ARG_NONNULL(1, 2) EINA_WARN_UNUSED_RESULT;
static inline void eina_rectangle_rescale_in(const Eina_Rectangle * out,
const Eina_Rectangle * in,
Eina_Rectangle *
res) EINA_ARG_NONNULL(1, 2,
3);
static inline void eina_rectangle_rescale_out(const Eina_Rectangle * out,
const Eina_Rectangle * in,
Eina_Rectangle *
res) EINA_ARG_NONNULL(1, 2,
3);
EAPI Eina_Rectangle_Pool *eina_rectangle_pool_new(int w, int h)
EINA_MALLOC EINA_WARN_UNUSED_RESULT;
EAPI Eina_Rectangle_Pool *eina_rectangle_pool_get(Eina_Rectangle * rect)
EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
EAPI Eina_Bool eina_rectangle_pool_geometry_get(Eina_Rectangle_Pool * pool,
int *w, int *h)
EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
EAPI void *eina_rectangle_pool_data_get(Eina_Rectangle_Pool * pool)
EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
EAPI void eina_rectangle_pool_data_set(Eina_Rectangle_Pool * pool,
const void *data)
EINA_ARG_NONNULL(1);
EAPI void eina_rectangle_pool_free(Eina_Rectangle_Pool *
pool) EINA_ARG_NONNULL(1);
EAPI int eina_rectangle_pool_count(Eina_Rectangle_Pool *
pool) EINA_ARG_NONNULL(1)
EINA_WARN_UNUSED_RESULT;
EAPI Eina_Rectangle *eina_rectangle_pool_request(Eina_Rectangle_Pool *
pool, int w, int h)
EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
EAPI void eina_rectangle_pool_release(Eina_Rectangle *
rect) EINA_ARG_NONNULL(1);
/**
* @def EINA_RECTANGLE_SET
* @brief Macro to set the values of a #Eina_Rectangle.
*
* @param Rectangle The rectangle to set the values.
* @param X The X coordinate of the top left corner of the rectangle.
* @param Y The Y coordinate of the top left corner of the rectangle.
* @param W The width of the rectangle.
* @param H The height of the rectangle.
*
* This macro set the values of @p Rectangle. (@p X, @p Y) is the
* coordinates of the top left corner of @p Rectangle, @p W is its
* width and @p H is its height.
*/
#define EINA_RECTANGLE_SET(Rectangle, X, Y, W, H) \
(Rectangle)->x = X; \
(Rectangle)->y = Y; \
(Rectangle)->w = W; \
(Rectangle)->h = H;
EAPI Eina_Rectangle *eina_rectangle_new(int x, int y, int w, int h)
EINA_MALLOC EINA_WARN_UNUSED_RESULT;
EAPI void eina_rectangle_free(Eina_Rectangle * rect) EINA_ARG_NONNULL(1);
#include "eina_inline_rectangle.x"
/**
* @}
*/
/**
* @}
*/
#endif /*_EINA_RECTANGLE_H_*/
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