182 lines
5.0 KiB
C
182 lines
5.0 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
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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_RECTANGLE_H_
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#define EINA_RECTANGLE_H_
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#include "eina_types.h"
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/**
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* @addtogroup Eina_Tools_Group Tools
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*
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* @{
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*/
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/**
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* @defgroup Eina_Rectangle_Group Rectangle
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*
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* @{
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*/
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/**
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* Simple rectangle structure.
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*/
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typedef struct _Eina_Rectangle
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{
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int x; /**< top-left x co-ordinate of rectangle */
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int y; /**< top-left y co-ordinate of rectangle */
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int w; /**< width of rectangle */
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int h; /**< height of rectangle */
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} Eina_Rectangle;
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typedef struct _Eina_Rectangle_Pool Eina_Rectangle_Pool;
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static inline int
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eina_spans_intersect(
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int c1,
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int l1,
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int c2,
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int l2) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool
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eina_rectangle_is_empty(
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const Eina_Rectangle *r) EINA_ARG_NONNULL(1)
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EINA_WARN_UNUSED_RESULT;
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static inline void
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eina_rectangle_coords_from(
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Eina_Rectangle *r,
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int x,
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int y,
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int w,
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int h) EINA_ARG_NONNULL(1);
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static inline Eina_Bool
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eina_rectangles_intersect(
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const Eina_Rectangle *r1,
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const Eina_Rectangle *r2) EINA_ARG_NONNULL(1,
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2) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool
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eina_rectangle_xcoord_inside(
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const Eina_Rectangle *r,
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int x) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool
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eina_rectangle_ycoord_inside(
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const Eina_Rectangle *r,
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int y) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
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static inline Eina_Bool
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eina_rectangle_coords_inside(
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const Eina_Rectangle *r,
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int x,
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int y) EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
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static inline void
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eina_rectangle_union(
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Eina_Rectangle *dst,
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const Eina_Rectangle *src) EINA_ARG_NONNULL(1, 2);
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static inline Eina_Bool
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eina_rectangle_intersection(
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Eina_Rectangle *dst,
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const Eina_Rectangle *src) EINA_ARG_NONNULL(1,
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2) EINA_WARN_UNUSED_RESULT;
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static inline void
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eina_rectangle_rescale_in(
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const Eina_Rectangle *out,
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const Eina_Rectangle *in,
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Eina_Rectangle *res) EINA_ARG_NONNULL(1, 2, 3);
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static inline void
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eina_rectangle_rescale_out(
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const Eina_Rectangle *out,
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const Eina_Rectangle *in,
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Eina_Rectangle *res) EINA_ARG_NONNULL(1, 2, 3);
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EAPI Eina_Rectangle_Pool *
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eina_rectangle_pool_new(
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int w,
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int h) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
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EAPI Eina_Rectangle_Pool *
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eina_rectangle_pool_get(
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Eina_Rectangle *rect) EINA_WARN_UNUSED_RESULT
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EINA_ARG_NONNULL(
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1);
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EAPI Eina_Bool
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eina_rectangle_pool_geometry_get(
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Eina_Rectangle_Pool *pool,
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int *w,
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int *h) EINA_WARN_UNUSED_RESULT
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EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
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EAPI void *
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eina_rectangle_pool_data_get(
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Eina_Rectangle_Pool *pool) EINA_WARN_UNUSED_RESULT
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EINA_ARG_NONNULL(
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1);
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EAPI void
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eina_rectangle_pool_data_set(
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Eina_Rectangle_Pool *pool,
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const void *data) EINA_ARG_NONNULL(1);
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EAPI void
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eina_rectangle_pool_free(
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Eina_Rectangle_Pool *pool) EINA_ARG_NONNULL(1);
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EAPI int
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eina_rectangle_pool_count(
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Eina_Rectangle_Pool *pool) EINA_ARG_NONNULL(1)
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EINA_WARN_UNUSED_RESULT;
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EAPI Eina_Rectangle *
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eina_rectangle_pool_request(
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Eina_Rectangle_Pool *pool,
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int w,
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int h) EINA_WARN_UNUSED_RESULT
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EINA_ARG_NONNULL(1);
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EAPI void
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eina_rectangle_pool_release(
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Eina_Rectangle *rect) EINA_ARG_NONNULL(1);
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/**
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* @def EINA_RECTANGLE_SET
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* @brief Macro to set the values of a #Eina_Rectangle.
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*
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* @param Rectangle The rectangle to set the values.
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* @param X The X coordinate of the top left corner of the rectangle.
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* @param Y The Y coordinate of the top left corner of the rectangle.
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* @param W The width of the rectangle.
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* @param H The height of the rectangle.
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*
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* This macro set the values of @p Rectangle. (@p X, @p Y) is the
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* coordinates of the top left corner of @p Rectangle, @p W is its
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* width and @p H is its height.
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*/
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#define EINA_RECTANGLE_SET(Rectangle, X, Y, W, H) \
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(Rectangle)->x = X; \
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(Rectangle)->y = Y; \
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(Rectangle)->w = W; \
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(Rectangle)->h = H;
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EAPI Eina_Rectangle *eina_rectangle_new(int x, int y, int w,
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int h) EINA_MALLOC
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EINA_WARN_UNUSED_RESULT;
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EAPI void eina_rectangle_free(Eina_Rectangle *rect) EINA_ARG_NONNULL(
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1);
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#include "eina_inline_rectangle.x"
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /*_EINA_RECTANGLE_H_*/
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