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efl/src/lib/eina/eina_rectangle.c

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/* EINA - EFL data type library
* Copyright (C) 2007-2008 Cedric BAIL, Carsten Haitzler
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include "eina_config.h"
#include "eina_private.h"
#include "eina_magic.h"
#include "eina_inlist.h"
#include "eina_mempool.h"
#include "eina_list.h"
#include "eina_trash.h"
#include "eina_log.h"
#include "eina_lock.h"
/* undefs EINA_ARG_NONULL() so NULL checks are not compiled out! */
#include "eina_safety_checks.h"
#include "eina_rectangle.h"
/*============================================================================*
* Local *
*============================================================================*/
/**
* @cond LOCAL
*/
#define EINA_RECTANGLE_POOL_MAGIC 0x1578FCB0
#define EINA_RECTANGLE_ALLOC_MAGIC 0x1578FCB1
#define BUCKET_THRESHOLD 110
typedef struct _Eina_Rectangle_Alloc Eina_Rectangle_Alloc;
struct _Eina_Rectangle_Pool
{
Eina_Inlist *head;
Eina_List *empty;
void *data;
Eina_Compare_Cb eina_rectangle_compare_func;
Eina_Trash *bucket;
unsigned int bucket_count;
Eina_Rectangle_Packing type;
unsigned int references;
int w;
int h;
Eina_Bool sorted;
EINA_MAGIC
};
struct _Eina_Rectangle_Alloc
{
EINA_INLIST;
Eina_Rectangle_Pool *pool;
EINA_MAGIC
};
#define EINA_MAGIC_CHECK_RECTANGLE_POOL(d) \
do { \
if (!EINA_MAGIC_CHECK((d), EINA_RECTANGLE_POOL_MAGIC)) { \
EINA_MAGIC_FAIL((d), EINA_RECTANGLE_POOL_MAGIC); } \
} while (0)
#define EINA_MAGIC_CHECK_RECTANGLE_ALLOC(d) \
do { \
if (!EINA_MAGIC_CHECK((d), EINA_RECTANGLE_ALLOC_MAGIC)) { \
EINA_MAGIC_FAIL((d), EINA_RECTANGLE_ALLOC_MAGIC); } \
} while (0)
static Eina_Mempool *_eina_rectangle_alloc_mp = NULL;
static Eina_Mempool *_eina_rectangle_mp = NULL;
static Eina_Spinlock _eina_spinlock;
static Eina_Trash *_eina_rectangles = NULL;
static unsigned int _eina_rectangles_count = 0;
static int _eina_rectangle_log_dom = -1;
#ifdef ERR
#undef ERR
#endif
#define ERR(...) EINA_LOG_DOM_ERR(_eina_rectangle_log_dom, __VA_ARGS__)
#ifdef DBG
#undef DBG
#endif
#define DBG(...) EINA_LOG_DOM_DBG(_eina_rectangle_log_dom, __VA_ARGS__)
static int
_eina_rectangle_cmp(const void *data1, const void *data2)
{
Eina_Rectangle *r1 = (Eina_Rectangle *) data1;
Eina_Rectangle *r2 = (Eina_Rectangle *) data2;
return (r2->w * r2->h) - (r1->w * r1->h);
}
static int
_eina_rectangle_cmp_asc(const void *data1, const void *data2)
{
Eina_Rectangle *r1 = (Eina_Rectangle *) data1;
Eina_Rectangle *r2 = (Eina_Rectangle *) data2;
return (r1->w * r1->h) - (r2->w * r2->h);
}
static int
_eina_rectangle_cmp_bl(const void *data1, const void *data2)
{
Eina_Rectangle *r1 = (Eina_Rectangle *) data1;
Eina_Rectangle *r2 = (Eina_Rectangle *) data2;
if (r1->y != r2->y)
return (r1->y) - (r2->y);
else
return (r1->x) - (r2->x);
}
static Eina_List *
_eina_rectangle_merge_list(Eina_List *empty, Eina_Rectangle_Packing type, Eina_Rectangle *r)
{
Eina_Rectangle *match, *r1;
Eina_List *l;
int xw;
int yh;
int x2 ,y2 ,w2 ,h2;
if (r->w == 0 || r->h == 0)
{
eina_rectangle_free(r);
return empty;
}
start_again:
xw = r->x + r->w;
yh = r->y + r->h;
EINA_LIST_FOREACH(empty, l, match)
{
if (match->x == r->x && match->w == r->w
&& (match->y == yh || r->y == match->y + match->h))
{
if (match->y > r->y)
match->y = r->y;
match->h += r->h;
eina_rectangle_free(r);
empty = eina_list_remove_list(empty, l);
r = match;
goto start_again;
}
else if (match->y == r->y && match->h == r->h
&& (match->x == xw || r->x == match->x + match->w))
{
if (match->x > r->x)
match->x = r->x;
match->w += r->w;
eina_rectangle_free(r);
empty = eina_list_remove_list(empty, l);
r = match;
goto start_again;
}
else if (match->y > r->y && type == Eina_Packing_Bottom_Left_Skyline
&& (match->y + match->h == r->y + r->h) &&
(match->x + match->w == r->x || r->x + r->w == match->x))
{
if (r->x < match->x)
match->x = r->x;
match->w += r->w;
x2 = r->x;
y2 = r->y;
w2 = r->w;
h2 = match->y - r->y;
eina_rectangle_free(r);
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_remove_list(empty, l);
if (r1)
empty = eina_list_append(empty, r1);
r = match;
goto start_again;
}
}
return eina_list_append(empty, r);
}
static Eina_List *
_eina_rectangle_empty_space_find(Eina_List *empty, Eina_Rectangle_Packing type, int w, int h, int *x, int *y)
{
Eina_Rectangle *r;
Eina_List *l;
EINA_LIST_FOREACH(empty, l, r)
{
if (r->w >= w && r->h >= h)
{
/* Remove l from empty */
empty = eina_list_remove_list(empty, l);
/* Remember x and y */
*x = r->x;
*y = r->y;
/* Split r in 2 rectangle if needed (only the empty one) and insert them */
if (r->w == w)
{
r->y += h;
r->h -= h;
}
else if (r->h == h)
{
r->x += w;
r->w -= w;
}
else
{
int rx1, ry1, rw1, rh1;
int x2, y2, w2, h2;
rx1 = r->x + w;
ry1 = r->y;
rw1 = r->w - w;
/* h1 could be h or r->h */
x2 = r->x;
y2 = r->y + h;
/* w2 could be w or r->w */
h2 = r->h - h;
if ((rw1 * r->h > h2 * r->w) || type == Eina_Packing_Bottom_Left || type == Eina_Packing_Bottom_Left_Skyline)
{
rh1 = r->h;
w2 = w;
}
else
{
rh1 = h;
w2 = r->w;
}
if (type == Eina_Packing_Bottom_Left_Skyline_Improved)
{
rh1 = r->h;
w2 = r->w;
}
EINA_RECTANGLE_SET(r, rx1, ry1, rw1, rh1);
empty = _eina_rectangle_merge_list(empty, type, r);
r = eina_rectangle_new(x2, y2, w2, h2);
}
if (r)
{
empty = _eina_rectangle_merge_list(empty, type, r); /* Return empty */
}
return empty;
}
}
*x = -1;
*y = -1;
return empty;
}
static Eina_List *
_eina_rectangle_skyline_merge_list(Eina_List *empty, Eina_Rectangle *r)
{
Eina_Rectangle *match;
Eina_List *l;
EINA_LIST_FOREACH(empty, l, match)
{
if (match->x == r->x + r->w)
{
match->x = r->x;
match->w = r->w + match->w;
}
else if (match->y == r->y + r->h)
{
match->y = r->y;
match->h = r->h + match->h;
}
else if (match->x + match->w == r->x)
{
match->w = r->w + match->w;
}
else if (match->y + match->h == r->y )
{
match->h = r->h + match->h;
}
}
return empty;
}
static Eina_List *
_eina_rectangle_skyline_list_update(Eina_List *empty, Eina_Rectangle *rect)
{
Eina_Rectangle *r, *r1;
Eina_List *l;
int x2, y2, w2, h2;
start_again :
EINA_LIST_FOREACH(empty, l, r)
{
if (eina_rectangles_intersect(rect, r))
{
/* Remove l from empty */
empty = eina_list_remove_list(empty, l);
if (r->y > rect->y)
{
if (r->y + r->h > rect->y + rect->h)
{
w2 = r->w;
h2 = (r->y +r->h) - (rect->y + rect->h);
x2 = r->x;
y2 = (r->y +r->h) - h2;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
if ( r->x + r->w > rect->x + rect->w )
{
w2 = (r->x +r->w) - (rect->x + rect->w);
h2 = r->h;
x2 = rect->x + rect->w;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
if ( rect->x - r->x)
{
w2 = rect->x - r->x;
h2 = r->h;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
}
else if (r->x > rect->x)
{
if (r->x + r->w > rect->x + rect->w)
{
w2 = (r->x + r->w) - (rect->x + rect->w);
h2 = r->h;
x2 = (r->x +r->w) - w2;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
if ( r->y + r->h > rect->y + rect->y )
{
w2 = r->w;
h2 = (r->y +r->h) - (rect->y + rect->h);
x2 = r->x;
y2 = rect->y + rect->h;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
if ( rect->y > r->y)
{
w2 = r->w;;
h2 = rect->y - r->y;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
}
else if (r->x == rect->x && r->y < rect->y)
{
if (rect->y + rect->h < r->y + r->h)
{
w2 = r->w;
h2 = (r->y +r->h) - (rect->y + rect->h);
x2 = r->x;
y2 = rect->y + rect->h;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
w2 = r->w;
h2 = rect->y - r->y;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
else if (r->y == rect->y && r->x < rect->x)
{
if (rect->w + rect->x < r->w + r->x)
{
w2 = (r->x + r->w) - (rect->x + rect->w);
h2 = r->h;
x2 = rect->x + rect->w;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
w2 = rect->x - r->x;
h2 = r->h;;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
else if (r->x < rect->x && r->y < rect->y)
{
w2 = rect->x - r->x;
h2 = r->h;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
w2 = r->w;
h2 = rect->y - r->y;
x2 = r->x;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
else if (r->x == rect->x && r->y == rect->y)
{
if (r->w > rect->w )
{
w2 = r->w - rect->w;
h2 = r->h;
x2 = rect->x + rect->w;
y2 = r->y;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
if (r->h > rect->h )
{
w2 = r->w;
h2 = r->h - rect->h;
x2 = r->x;
y2 = rect->y + rect->h;
r1 = eina_rectangle_new(x2, y2, w2, h2);
empty = eina_list_prepend(empty, r1);
}
}
goto start_again;
}
}
return empty;
}
static Eina_List *
_eina_rectangle_skyline_list_update_duplicate(Eina_List *empty)
{
Eina_Rectangle *r, *r1;
Eina_List *l, *l1, *l2;
start_again:
EINA_LIST_FOREACH(empty, l, r)
{
l1 = eina_list_next(l);
EINA_LIST_FOREACH(l1, l2, r1)
{
if ((r->x <= r1->x) && (r->y <= r1->y) && (r->x + r->w >= r1->x + r1->w) && (r->y + r->h >= r1->y + r1->h))
{
empty = eina_list_remove_list(empty, l2);
goto start_again;
}
else if ((r->x >= r1->x) && (r->y >= r1->y) && (r->x + r->w <= r1->x + r1->w) && (r->y + r->h <= r1->y + r1->h))
{
empty = eina_list_remove_list(empty, l);
goto start_again;
}
}
}
return empty;
}
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
Eina_Bool
eina_rectangle_init(void)
{
const char *choice, *tmp;
_eina_rectangle_log_dom = eina_log_domain_register("eina_rectangle",
EINA_LOG_COLOR_DEFAULT);
if (_eina_rectangle_log_dom < 0)
{
EINA_LOG_ERR("Could not register log domain: eina_rectangle");
return EINA_FALSE;
}
#ifdef EINA_DEFAULT_MEMPOOL
choice = "pass_through";
#else
choice = "chained_mempool";
#endif
tmp = getenv("EINA_MEMPOOL");
if (tmp && tmp[0])
choice = tmp;
_eina_rectangle_alloc_mp = eina_mempool_add
(choice, "rectangle-alloc", NULL,
sizeof(Eina_Rectangle_Alloc) + sizeof(Eina_Rectangle), 64);
if (!_eina_rectangle_alloc_mp)
{
ERR("Mempool for rectangle cannot be allocated in rectangle init.");
goto init_error;
}
_eina_rectangle_mp = eina_mempool_add
(choice, "rectangle", NULL, sizeof(Eina_Rectangle), 32);
if (!_eina_rectangle_mp)
{
ERR("Mempool for rectangle cannot be allocated in rectangle init.");
goto init_error;
}
eina_spinlock_new(&_eina_spinlock);
return EINA_TRUE;
init_error:
eina_log_domain_unregister(_eina_rectangle_log_dom);
_eina_rectangle_log_dom = -1;
return EINA_FALSE;
}
Eina_Bool
eina_rectangle_shutdown(void)
{
Eina_Rectangle *del;
eina_spinlock_free(&_eina_spinlock);
while ((del = eina_trash_pop(&_eina_rectangles)))
eina_mempool_free(_eina_rectangle_mp, del);
_eina_rectangles_count = 0;
eina_mempool_del(_eina_rectangle_alloc_mp);
eina_mempool_del(_eina_rectangle_mp);
eina_log_domain_unregister(_eina_rectangle_log_dom);
_eina_rectangle_log_dom = -1;
return EINA_TRUE;
}
/*============================================================================*
* API *
*============================================================================*/
EAPI Eina_Rectangle *
eina_rectangle_new(int x, int y, int w, int h)
{
Eina_Rectangle *rect = NULL;
if (_eina_rectangles)
{
eina_spinlock_take(&_eina_spinlock);
rect = eina_trash_pop(&_eina_rectangles);
_eina_rectangles_count--;
eina_spinlock_release(&_eina_spinlock);
}
if (!rect)
rect = eina_mempool_malloc(_eina_rectangle_mp, sizeof (Eina_Rectangle));
if (!rect)
return NULL;
EINA_RECTANGLE_SET(rect, x, y, w, h);
return rect;
}
EAPI void
eina_rectangle_free(Eina_Rectangle *rect)
{
EINA_SAFETY_ON_NULL_RETURN(rect);
if (_eina_rectangles_count > BUCKET_THRESHOLD)
eina_mempool_free(_eina_rectangle_mp, rect);
else
{
eina_spinlock_take(&_eina_spinlock);
eina_trash_push(&_eina_rectangles, rect);
_eina_rectangles_count++;
eina_spinlock_release(&_eina_spinlock);
}
}
EAPI Eina_Rectangle_Pool *
eina_rectangle_pool_new(int w, int h)
{
Eina_Rectangle_Pool *new;
if ((w <= 0) || (h <= 0))
return NULL;
new = malloc(sizeof (Eina_Rectangle_Pool));
if (!new)
return NULL;
new->head = NULL;
new->empty = eina_list_append(NULL, eina_rectangle_new(0, 0, w, h));
new->references = 0;
new->sorted = EINA_FALSE;
new->w = w;
new->h = h;
new->bucket = NULL;
new->bucket_count = 0;
new->eina_rectangle_compare_func = _eina_rectangle_cmp;
new->type = Eina_Packing_Ascending;
EINA_MAGIC_SET(new, EINA_RECTANGLE_POOL_MAGIC);
DBG("pool=%p, size=(%d, %d)", new, w, h);
return new;
}
EAPI void
eina_rectangle_pool_free(Eina_Rectangle_Pool *pool)
{
Eina_Rectangle_Alloc *del;
Eina_Rectangle *r;
EINA_SAFETY_ON_NULL_RETURN(pool);
DBG("pool=%p, size=(%d, %d), references=%u",
pool, pool->w, pool->h, pool->references);
EINA_LIST_FREE(pool->empty, r)
eina_rectangle_free(r);
while (pool->head)
{
del = (Eina_Rectangle_Alloc *)pool->head;
pool->head = (EINA_INLIST_GET(del))->next;
EINA_MAGIC_SET(del, EINA_MAGIC_NONE);
eina_mempool_free(_eina_rectangle_alloc_mp, del);
}
while (pool->bucket)
{
del = eina_trash_pop(&pool->bucket);
eina_mempool_free(_eina_rectangle_alloc_mp, del);
}
MAGIC_FREE(pool);
}
EAPI int
eina_rectangle_pool_count(Eina_Rectangle_Pool *pool)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(pool, 0);
return pool->references;
}
EAPI Eina_Rectangle *
eina_rectangle_pool_request(Eina_Rectangle_Pool *pool, int w, int h)
{
Eina_Rectangle_Alloc *new;
Eina_Rectangle *rect;
int x;
int y;
EINA_SAFETY_ON_NULL_RETURN_VAL(pool, NULL);
DBG("pool=%p, size=(%d, %d), references=%u",
pool, pool->w, pool->h, pool->references);
if (w <= 0 || h <= 0)
return NULL;
if (w > pool->w || h > pool->h)
return NULL;
/* Sort empty if dirty */
if (!pool->sorted)
{
pool->empty =
eina_list_sort(pool->empty, 0, pool->eina_rectangle_compare_func);
pool->sorted = EINA_TRUE;
}
if (pool->type == Eina_Packing_Bottom_Left_Skyline_Improved)
pool->empty = _eina_rectangle_skyline_list_update_duplicate(pool->empty);
pool->empty = _eina_rectangle_empty_space_find(pool->empty, pool->type, w, h, &x, &y);
if (x == -1)
return NULL;
pool->sorted = EINA_FALSE;
if (pool->bucket_count > 0)
{
new = eina_trash_pop(&pool->bucket);
pool->bucket_count--;
}
else
new = eina_mempool_malloc(_eina_rectangle_alloc_mp,
sizeof (Eina_Rectangle_Alloc) +
sizeof (Eina_Rectangle));
if (!new)
return NULL;
rect = (Eina_Rectangle *)(new + 1);
eina_rectangle_coords_from(rect, x, y, w, h);
if (pool->type == Eina_Packing_Bottom_Left_Skyline_Improved)
pool->empty = _eina_rectangle_skyline_list_update(pool->empty, rect);
pool->head = eina_inlist_prepend(pool->head, EINA_INLIST_GET(new));
pool->references++;
new->pool = pool;
EINA_MAGIC_SET(new, EINA_RECTANGLE_ALLOC_MAGIC);
DBG("rect=%p pool=%p, size=(%d, %d), references=%u",
rect, pool, pool->w, pool->h, pool->references);
return rect;
}
EAPI void
eina_rectangle_pool_release(Eina_Rectangle *rect)
{
Eina_Rectangle_Alloc *era = ((Eina_Rectangle_Alloc *)rect) - 1;
Eina_Rectangle_Alloc *new;
Eina_Rectangle *r;
Eina_Rectangle *match;
EINA_SAFETY_ON_NULL_RETURN(rect);
EINA_MAGIC_CHECK_RECTANGLE_ALLOC(era);
EINA_MAGIC_CHECK_RECTANGLE_POOL(era->pool);
DBG("rect=%p pool=%p, size=(%d, %d), references=%u",
rect, era->pool, era->pool->w, era->pool->h, era->pool->references);
era->pool->references--;
era->pool->head = eina_inlist_remove(era->pool->head, EINA_INLIST_GET(era));
r = eina_rectangle_new(rect->x, rect->y, rect->w, rect->h);
if (r)
{
if (era->pool->type == Eina_Packing_Bottom_Left_Skyline_Improved)
{
era->pool->empty = _eina_rectangle_skyline_merge_list(era->pool->empty, r);
era->pool->empty = _eina_rectangle_skyline_list_update_duplicate(era->pool->empty);
EINA_INLIST_FOREACH(era->pool->head, new)
{
match =(Eina_Rectangle *) (new + 1);
if (match)
era->pool->empty = _eina_rectangle_skyline_list_update(era->pool->empty, match);
}
}
else
era->pool->empty = _eina_rectangle_merge_list(era->pool->empty, era->pool->type, r);
era->pool->sorted = EINA_FALSE;
}
if (era->pool->bucket_count < BUCKET_THRESHOLD)
{
Eina_Rectangle_Pool *pool;
pool = era->pool;
pool->bucket_count++;
eina_trash_push(&pool->bucket, era);
}
else
{
EINA_MAGIC_SET(era, EINA_MAGIC_NONE);
eina_mempool_free(_eina_rectangle_alloc_mp, era);
}
}
EAPI Eina_Rectangle_Pool *
eina_rectangle_pool_get(Eina_Rectangle *rect)
{
Eina_Rectangle_Alloc *era = ((Eina_Rectangle_Alloc *)rect) - 1;
EINA_SAFETY_ON_NULL_RETURN_VAL(rect, NULL);
EINA_MAGIC_CHECK_RECTANGLE_ALLOC(era);
EINA_MAGIC_CHECK_RECTANGLE_POOL(era->pool);
return era->pool;
}
EAPI void
eina_rectangle_pool_packing_set(Eina_Rectangle_Pool *pool, Eina_Rectangle_Packing type)
{
EINA_MAGIC_CHECK_RECTANGLE_POOL(pool);
EINA_SAFETY_ON_NULL_RETURN(pool);
DBG("type=%d pool=%p, size=(%d, %d), references=%u",
type, pool, pool->w, pool->h, pool->references);
pool->type =type;
switch (type)
{
case Eina_Packing_Ascending:
pool->eina_rectangle_compare_func = _eina_rectangle_cmp_asc;
break;
case Eina_Packing_Descending:
pool->eina_rectangle_compare_func = _eina_rectangle_cmp;
break;
default:
pool->eina_rectangle_compare_func = _eina_rectangle_cmp_bl;
}
}
EAPI void
eina_rectangle_pool_data_set(Eina_Rectangle_Pool *pool, const void *data)
{
EINA_MAGIC_CHECK_RECTANGLE_POOL(pool);
EINA_SAFETY_ON_NULL_RETURN(pool);
DBG("data=%p pool=%p, size=(%d, %d), references=%u",
data, pool, pool->w, pool->h, pool->references);
pool->data = (void *)data;
}
EAPI void *
eina_rectangle_pool_data_get(Eina_Rectangle_Pool *pool)
{
EINA_MAGIC_CHECK_RECTANGLE_POOL(pool);
EINA_SAFETY_ON_NULL_RETURN_VAL(pool, NULL);
return pool->data;
}
EAPI Eina_Bool
eina_rectangle_pool_geometry_get(Eina_Rectangle_Pool *pool, int *w, int *h)
{
if (!pool)
return EINA_FALSE;
EINA_MAGIC_CHECK_RECTANGLE_POOL(pool);
EINA_SAFETY_ON_NULL_RETURN_VAL(pool, EINA_FALSE);
if (w)
*w = pool->w;
if (h)
*h = pool->h;
return EINA_TRUE;
}
EAPI Eina_Rectangle_Outside
eina_rectangle_outside_position(Eina_Rectangle *rect1, Eina_Rectangle *rect2)
{
Eina_Rectangle_Outside ret = 0;
if (rect1->y > rect2->y)
ret |= EINA_RECTANGLE_OUTSIDE_TOP;
if (rect1->x > rect2->x)
ret |= EINA_RECTANGLE_OUTSIDE_LEFT;
if (rect1->y + rect1->h < rect2->y + rect2->h)
ret |= EINA_RECTANGLE_OUTSIDE_BOTTOM;
if (rect1->x + rect1->w < rect2->x + rect2->w)
ret |= EINA_RECTANGLE_OUTSIDE_RIGHT;
return ret;
}
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