forked from enlightenment/efl
99 lines
3.9 KiB
C
99 lines
3.9 KiB
C
#ifndef _REGION_H_
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#define _REGION_H_
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/* $Id: pixman.h,v 1.21 2005/06/25 01:21:16 jrmuizel Exp $ */
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/* pixregion.h */
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////////////////////////////////////////////////////////////////////////////
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#include "Eina.h"
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typedef struct _Region Region;
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typedef struct _Box Box;
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typedef enum _Region_State
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{
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REGION_STATE_OUT,
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REGION_STATE_IN,
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REGION_STATE_PARTIAL
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} Region_State;
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struct _Box
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{
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int x1, y1, x2, y2;
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};
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/* creation/destruction */
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Region *region_new (int w, int h);
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void region_free (Region *region);
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void region_size_get (Region *region, int *w, int *h);
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void region_move (Region *region, int x, int y);
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Eina_Bool region_copy (Region *dest, Region *source);
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Eina_Bool region_intersect (Region *dest, Region *source);
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Eina_Bool region_add (Region *dest, Region *source);
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Eina_Bool region_rect_add (Region *dest, int x, int y, unsigned int w, unsigned int h);
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Eina_Bool region_del (Region *dest, Region *source);
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Eina_Bool region_rect_del (Region *dest, int x, int y, unsigned int w, unsigned int h);
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int region_rects_num (Region *region);
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Box *region_rects (Region *region);
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Eina_Bool region_point_inside (Region *region, int x, int y, Box *bx);
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Region_State region_rect_inside (Region *region, Box *bx);
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Eina_Bool region_exists (Region *region);
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Box *region_bounds (Region *region);
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Eina_Bool region_append (Region *dest, Region *region);
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Eina_Bool region_validate (Region *region, Eina_Bool *overlap_ret);
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void region_reset (Region *region, Box *bx);
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void region_empty (Region *region);
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#endif
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