x11include/xorg-server-1.13.0/regionstr.h

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/***********************************************************
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncCopyright 1987, 1998  The Open Group
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncthe above copyright notice appear in all copies and that both that
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynccopyright notice and this permission notice appear in supporting
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncdocumentation.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncThe above copyright notice and this permission notice shall be included in
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncall copies or substantial portions of the Software.
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a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncExcept as contained in this notice, the name of The Open Group shall not be
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncused in advertising or otherwise to promote the sale, use or other dealings
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncin this Software without prior written authorization from The Open Group.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncCopyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                        All Rights Reserved
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncPermission to use, copy, modify, and distribute this software and its
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncdocumentation for any purpose and without fee is hereby granted,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncprovided that the above copyright notice appear in all copies and that
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncboth that copyright notice and this permission notice appear in
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncsupporting documentation, and that the name of Digital not be
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncused in advertising or publicity pertaining to distribution of the
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncsoftware without specific, written prior permission.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncDIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncDIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncSOFTWARE.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync******************************************************************/
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#ifndef REGIONSTRUCT_H
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGIONSTRUCT_H
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct pixman_region16 RegionRec, *RegionPtr;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "miscstruct.h"
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/* Return values from RectIn() */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define rgnOUT 0
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define rgnIN  1
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define rgnPART 2
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define NullRegion ((RegionPtr)0)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/*
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *   clip region
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct pixman_region16_data RegDataRec, *RegDataPtr;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT BoxRec RegionEmptyBox;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT RegDataRec RegionEmptyData;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT RegDataRec RegionBrokenData;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionNil(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((reg)->data && !(reg)->data->numRects);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/* not a region */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionNar(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((reg)->data == &RegionBrokenData);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline int
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionNumRects(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((reg)->data ? (reg)->data->numRects : 1);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline int
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionSize(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((reg)->data ? (reg)->data->size : 0);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionRects(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((reg)->data ? (BoxPtr) ((reg)->data + 1) : &(reg)->extents);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionBoxptr(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return ((BoxPtr) ((reg)->data + 1));
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionBox(RegionPtr reg, int i)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return (&RegionBoxptr(reg)[i]);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionTop(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return RegionBox(reg, (reg)->data->numRects);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionEnd(RegionPtr reg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return RegionBox(reg, (reg)->data->numRects - 1);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline size_t
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionSizeof(int n)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return (sizeof(RegDataRec) + ((n) * sizeof(BoxRec)));
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionInit(RegionPtr _pReg, BoxPtr _rect, int _size)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    if ((_rect) != NULL) {
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        (_pReg)->extents = *(_rect);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        (_pReg)->data = (RegDataPtr) NULL;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    }
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    else {
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        (_pReg)->extents = RegionEmptyBox;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        if (((_size) > 1) && ((_pReg)->data =
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                              (RegDataPtr) malloc(RegionSizeof(_size)))) {
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync            (_pReg)->data->size = (_size);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync            (_pReg)->data->numRects = 0;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        }
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        else
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync            (_pReg)->data = &RegionEmptyData;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    }
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionInitBoxes(RegionPtr pReg, BoxPtr boxes, int nBoxes)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_init_rects(pReg, boxes, nBoxes);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionUninit(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    if ((_pReg)->data && (_pReg)->data->size) {
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        free((_pReg)->data);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync        (_pReg)->data = NULL;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    }
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionReset(RegionPtr _pReg, BoxPtr _pBox)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->extents = *(_pBox);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    RegionUninit(_pReg);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->data = (RegDataPtr) NULL;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionNotEmpty(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return !RegionNil(_pReg);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionBroken(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return RegionNar(_pReg);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionEmpty(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    RegionUninit(_pReg);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->extents.x2 = (_pReg)->extents.x1;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->extents.y2 = (_pReg)->extents.y1;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->data = &RegionEmptyData;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline BoxPtr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionExtents(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return (&(_pReg)->extents);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionNull(RegionPtr _pReg)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->extents = RegionEmptyBox;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    (_pReg)->data = &RegionEmptyData;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void InitRegions(void);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT RegionPtr RegionCreate(BoxPtr /*rect */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                        int /*size */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void RegionDestroy(RegionPtr /*pReg */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionCopy(RegionPtr dst, RegionPtr src)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_copy(dst, src);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionIntersect(RegionPtr newReg,       /* destination Region */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                RegionPtr reg1, RegionPtr reg2  /* source regions     */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    )
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_intersect(newReg, reg1, reg2);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionUnion(RegionPtr newReg,   /* destination Region */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync            RegionPtr reg1, RegionPtr reg2      /* source regions     */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    )
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_union(newReg, reg1, reg2);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool RegionAppend(RegionPtr /*dstrgn */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                   RegionPtr /*rgn */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool RegionValidate(RegionPtr /*badreg */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                     Bool * /*pOverlap */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT RegionPtr RegionFromRects(int /*nrects */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                           xRectanglePtr /*prect */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                           int /*ctype */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/*-
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *-----------------------------------------------------------------------
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Subtract --
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  Subtract regS from regM and leave the result in regD.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  S stands for subtrahend, M for minuend and D for difference.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Results:
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  TRUE if successful.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Side Effects:
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  regD is overwritten.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *-----------------------------------------------------------------------
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionSubtract(RegionPtr regD, RegionPtr regM, RegionPtr regS)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_subtract(regD, regM, regS);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/*-
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *-----------------------------------------------------------------------
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Inverse --
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  Take a region and a box and return a region that is everything
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  in the box but not in the region. The careful reader will note
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  that this is the same as subtracting the region from the box...
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Results:
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  TRUE.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Side Effects:
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *  newReg is overwritten.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *-----------------------------------------------------------------------
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionInverse(RegionPtr newReg, /* Destination region */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync              RegionPtr reg1,   /* Region to invert */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync              BoxPtr invRect    /* Bounding box for inversion */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    )
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_inverse(newReg, reg1, invRect);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline int
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionContainsRect(RegionPtr region, BoxPtr prect)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_contains_rectangle(region, prect);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/* TranslateRegion(pReg, x, y)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync   translates in place
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync*/
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionTranslate(RegionPtr pReg, int x, int y)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    pixman_region_translate(pReg, x, y);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool RegionBreak(RegionPtr /*pReg */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionContainsPoint(RegionPtr pReg, int x, int y, BoxPtr box    /* "return" value */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    )
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_contains_point(pReg, x, y, box);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncstatic inline Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncRegionEqual(RegionPtr reg1, RegionPtr reg2)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync{
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    return pixman_region_equal(reg1, reg2);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync}
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool RegionRectAlloc(RegionPtr /*pRgn */ ,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync                                      int       /*n */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#ifdef DEBUG
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool RegionIsValid(RegionPtr   /*prgn */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync    );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#endif
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void RegionPrint(RegionPtr /*pReg */ );
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define INCLUDE_LEGACY_REGION_DEFINES
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#ifdef INCLUDE_LEGACY_REGION_DEFINES
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_NIL              RegionNil
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_NAR              RegionNar
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_NUM_RECTS            RegionNumRects
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_SIZE             RegionSize
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_RECTS                RegionRects
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_BOXPTR               RegionBoxptr
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_BOX              RegionBox
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_TOP              RegionTop
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_END              RegionEnd
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_SZOF             RegionSizeof
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define BITMAP_TO_REGION            BitmapToRegion
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_CREATE(pScreen, r, s)        RegionCreate(r,s)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_COPY(pScreen, d, r)      RegionCopy(d, r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_DESTROY(pScreen, r)      RegionDestroy(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_INTERSECT(pScreen, res, r1, r2)  RegionIntersect(res, r1, r2)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_UNION(pScreen, res, r1, r2)  RegionUnion(res, r1, r2)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_SUBTRACT(pScreen, res, r1, r2)   RegionSubtract(res, r1, r2)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_INVERSE(pScreen, n, r, b)    RegionInverse(n, r, b)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_TRANSLATE(pScreen, r, x, y)  RegionTranslate(r, x, y)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define RECT_IN_REGION(pScreen, r, b)       RegionContainsRect(r, b)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define POINT_IN_REGION(pScreen, r, x, y, b)    RegionContainsPoint(r, x, y, b)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_EQUAL(pScreen, r1, r2)       RegionEqual(r1, r2)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_APPEND(pScreen, d, r)        RegionAppend(d, r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_VALIDATE(pScreen, r, o)      RegionValidate(r, o)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define RECTS_TO_REGION(pScreen, n, r, c)   RegionFromRects(n, r, c)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_BREAK(pScreen, r)        RegionBreak(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_INIT(pScreen, r, b, s)       RegionInit(r, b, s)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_UNINIT(pScreen, r)       RegionUninit(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_RESET(pScreen, r, b)     RegionReset(r, b)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_NOTEMPTY(pScreen, r)     RegionNotEmpty(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_BROKEN(pScreen, r)       RegionBroken(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_EMPTY(pScreen, r)        RegionEmpty(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_EXTENTS(pScreen, r)      RegionExtents(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define REGION_NULL(pScreen, r)         RegionNull(r)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#endif                          /* INCLUDE_LEGACY_REGION_DEFINES */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#endif                          /* REGIONSTRUCT_H */