X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Finclude%2Fregionstr.h;fp=Xserver%2Fprograms%2FXserver%2Finclude%2Fregionstr.h;h=0efd965b57a34bf759299c1986d54c484cabc09b;hp=0000000000000000000000000000000000000000;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hpb=e3340a110a3b01756b8e67531395a33b40a17d37;ds=sidebyside diff --git a/Xserver/programs/Xserver/include/regionstr.h b/Xserver/programs/Xserver/include/regionstr.h new file mode 100644 index 0000000..0efd965 --- /dev/null +++ b/Xserver/programs/Xserver/include/regionstr.h @@ -0,0 +1,409 @@ +/* $XConsortium: regionstr.h,v 1.8 94/04/17 20:26:01 dpw Exp $ */ +/*********************************************************** + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ +#ifndef REGIONSTRUCT_H +#define REGIONSTRUCT_H + +#include "miscstruct.h" + +/* Return values from RectIn() */ + +#define rgnOUT 0 +#define rgnIN 1 +#define rgnPART 2 + +#define NullRegion ((RegionPtr)0) + +/* + * clip region + */ + +typedef struct _RegData { + long size; + long numRects; +/* BoxRec rects[size]; in memory but not explicitly declared */ +} RegDataRec, *RegDataPtr; + +typedef struct _Region { + BoxRec extents; + RegDataPtr data; +} RegionRec, *RegionPtr; + +extern BoxRec miEmptyBox; +extern RegDataRec miEmptyData; + +#define REGION_NIL(reg) ((reg)->data && !(reg)->data->numRects) +#define REGION_NUM_RECTS(reg) ((reg)->data ? (reg)->data->numRects : 1) +#define REGION_SIZE(reg) ((reg)->data ? (reg)->data->size : 0) +#define REGION_RECTS(reg) ((reg)->data ? (BoxPtr)((reg)->data + 1) \ + : &(reg)->extents) +#define REGION_BOXPTR(reg) ((BoxPtr)((reg)->data + 1)) +#define REGION_BOX(reg,i) (®ION_BOXPTR(reg)[i]) +#define REGION_TOP(reg) REGION_BOX(reg, (reg)->data->numRects) +#define REGION_END(reg) REGION_BOX(reg, (reg)->data->numRects - 1) +#define REGION_SZOF(n) (sizeof(RegDataRec) + ((n) * sizeof(BoxRec))) + +#ifdef NEED_SCREEN_REGIONS + +#define REGION_CREATE(_pScreen, _rect, _size) \ + (*(_pScreen)->RegionCreate)(_rect, _size) + +#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ + (*(_pScreen)->RegionInit)(_pReg, _rect, _size) + +#define REGION_COPY(_pScreen, dst, src) \ + (*(_pScreen)->RegionCopy)(dst, src) + +#define REGION_DESTROY(_pScreen, _pReg) \ + (*(_pScreen)->RegionDestroy)(_pReg) + +#define REGION_UNINIT(_pScreen, _pReg) \ + (*(_pScreen)->RegionUninit)(_pReg) + +#define REGION_INTERSECT(_pScreen, newReg, reg1, reg2) \ + (*(_pScreen)->Intersect)(newReg, reg1, reg2) + +#define REGION_UNION(_pScreen, newReg, reg1, reg2) \ + (*(_pScreen)->Union)(newReg, reg1, reg2) + +#define REGION_SUBTRACT(_pScreen, newReg, reg1, reg2) \ + (*(_pScreen)->Subtract)(newReg, reg1, reg2) + +#define REGION_INVERSE(_pScreen, newReg, reg1, invRect) \ + (*(_pScreen)->Inverse)(newReg, reg1, invRect) + +#define REGION_RESET(_pScreen, _pReg, _pBox) \ + (*(_pScreen)->RegionReset)(_pReg, _pBox) + +#define REGION_TRANSLATE(_pScreen, _pReg, _x, _y) \ + (*(_pScreen)->TranslateRegion)(_pReg, _x, _y) + +#define RECT_IN_REGION(_pScreen, _pReg, prect) \ + (*(_pScreen)->RectIn)(_pReg, prect) + +#define POINT_IN_REGION(_pScreen, _pReg, _x, _y, prect) \ + (*(_pScreen)->PointInRegion)(_pReg, _x, _y, prect) + +#define REGION_NOTEMPTY(_pScreen, _pReg) \ + (*(_pScreen)->RegionNotEmpty)(_pReg) + +#define REGION_EMPTY(_pScreen, _pReg) \ + (*(_pScreen)->RegionEmpty)(_pReg) + +#define REGION_EXTENTS(_pScreen, _pReg) \ + (*(_pScreen)->RegionExtents)(_pReg) + +#define REGION_APPEND(_pScreen, dstrgn, rgn) \ + (*(_pScreen)->RegionAppend)(dstrgn, rgn) + +#define REGION_VALIDATE(_pScreen, badreg, pOverlap) \ + (*(_pScreen)->RegionValidate)(badreg, pOverlap) + +#define BITMAP_TO_REGION(_pScreen, pPix) \ + (*(_pScreen)->BitmapToRegion)(pPix) + +#define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \ + (*(_pScreen)->RectsToRegion)(nrects, prect, ctype) + +#else /* !NEED_SCREEN_REGIONS */ + +#define REGION_CREATE(_pScreen, _rect, _size) \ + miRegionCreate(_rect, _size) + +#define REGION_COPY(_pScreen, dst, src) \ + miRegionCopy(dst, src) + +#define REGION_DESTROY(_pScreen, _pReg) \ + miRegionDestroy(_pReg) + +#define REGION_INTERSECT(_pScreen, newReg, reg1, reg2) \ + miIntersect(newReg, reg1, reg2) + +#define REGION_UNION(_pScreen, newReg, reg1, reg2) \ + miUnion(newReg, reg1, reg2) + +#define REGION_SUBTRACT(_pScreen, newReg, reg1, reg2) \ + miSubtract(newReg, reg1, reg2) + +#define REGION_INVERSE(_pScreen, newReg, reg1, invRect) \ + miInverse(newReg, reg1, invRect) + +#define REGION_TRANSLATE(_pScreen, _pReg, _x, _y) \ + miTranslateRegion(_pReg, _x, _y) + +#define RECT_IN_REGION(_pScreen, _pReg, prect) \ + miRectIn(_pReg, prect) + +#define POINT_IN_REGION(_pScreen, _pReg, _x, _y, prect) \ + miPointInRegion(_pReg, _x, _y, prect) + +#define REGION_APPEND(_pScreen, dstrgn, rgn) \ + miRegionAppend(dstrgn, rgn) + +#define REGION_VALIDATE(_pScreen, badreg, pOverlap) \ + miRegionValidate(badreg, pOverlap) + +#define BITMAP_TO_REGION(_pScreen, pPix) \ + (*(_pScreen)->BitmapToRegion)(pPix) /* no mi version?! */ + +#define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \ + miRectsToRegion(nrects, prect, ctype) + +#ifdef DONT_INLINE_REGION_OPS + +#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ + miRegionInit(_pReg, _rect, _size) + +#define REGION_UNINIT(_pScreen, _pReg) \ + miRegionUninit(_pReg) + +#define REGION_RESET(_pScreen, _pReg, _pBox) \ + miRegionReset(_pReg, _pBox) + +#define REGION_NOTEMPTY(_pScreen, _pReg) \ + miRegionNotEmpty(_pReg) + +#define REGION_EMPTY(_pScreen, _pReg) \ + miRegionEmpty(_pReg) + +#define REGION_EXTENTS(_pScreen, _pReg) \ + miRegionExtents(_pReg) + +#else /* inline certain simple region ops for performance */ + +#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ +{ \ + if (_rect) \ + { \ + (_pReg)->extents = *(_rect); \ + (_pReg)->data = (RegDataPtr)NULL; \ + } \ + else \ + { \ + (_pReg)->extents = miEmptyBox; \ + if (((_size) > 1) && ((_pReg)->data = \ + (RegDataPtr)xalloc(REGION_SZOF(_size)))) \ + { \ + (_pReg)->data->size = (_size); \ + (_pReg)->data->numRects = 0; \ + } \ + else \ + (_pReg)->data = &miEmptyData; \ + } \ +} + +#define REGION_UNINIT(_pScreen, _pReg) \ +{ \ + if ((_pReg)->data && (_pReg)->data->size) xfree((_pReg)->data); \ +} + +#define REGION_RESET(_pScreen, _pReg, _pBox) \ +{ \ + (_pReg)->extents = *(_pBox); \ + REGION_UNINIT(_pScreen, _pReg); \ + (_pReg)->data = (RegDataPtr)NULL; \ +} + +#define REGION_NOTEMPTY(_pScreen, _pReg) \ + !REGION_NIL(_pReg) + +#define REGION_EMPTY(_pScreen, _pReg) \ +{ \ + REGION_UNINIT(_pScreen, _pReg); \ + (_pReg)->extents.x2 = (_pReg)->extents.x1; \ + (_pReg)->extents.y2 = (_pReg)->extents.y1; \ + (_pReg)->data = &miEmptyData; \ +} + +#define REGION_EXTENTS(_pScreen, _pReg) \ + &(_pReg)->extents + +#endif /* DONT_INLINE_REGION_OPS */ + +#endif /* NEED_SCREEN_REGIONS */ + +/* moved from mi.h */ + +extern RegionPtr miRegionCreate( +#if NeedFunctionPrototypes + BoxPtr /*rect*/, + int /*size*/ +#endif +); + +extern void miRegionInit( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/, + BoxPtr /*rect*/, + int /*size*/ +#endif +); + +extern void miRegionDestroy( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + +extern void miRegionUninit( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + +extern Bool miRegionCopy( +#if NeedFunctionPrototypes + RegionPtr /*dst*/, + RegionPtr /*src*/ +#endif +); + +extern Bool miIntersect( +#if NeedFunctionPrototypes + RegionPtr /*newReg*/, + RegionPtr /*reg1*/, + RegionPtr /*reg2*/ +#endif +); + +extern Bool miUnion( +#if NeedFunctionPrototypes + RegionPtr /*newReg*/, + RegionPtr /*reg1*/, + RegionPtr /*reg2*/ +#endif +); + +extern Bool miRegionAppend( +#if NeedFunctionPrototypes + RegionPtr /*dstrgn*/, + RegionPtr /*rgn*/ +#endif +); + +extern Bool miRegionValidate( +#if NeedFunctionPrototypes + RegionPtr /*badreg*/, + Bool * /*pOverlap*/ +#endif +); + +extern RegionPtr miRectsToRegion( +#if NeedFunctionPrototypes + int /*nrects*/, + xRectanglePtr /*prect*/, + int /*ctype*/ +#endif +); + +extern Bool miSubtract( +#if NeedFunctionPrototypes + RegionPtr /*regD*/, + RegionPtr /*regM*/, + RegionPtr /*regS*/ +#endif +); + +extern Bool miInverse( +#if NeedFunctionPrototypes + RegionPtr /*newReg*/, + RegionPtr /*reg1*/, + BoxPtr /*invRect*/ +#endif +); + +extern int miRectIn( +#if NeedFunctionPrototypes + RegionPtr /*region*/, + BoxPtr /*prect*/ +#endif +); + +extern void miTranslateRegion( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/, + int /*x*/, + int /*y*/ +#endif +); + +extern void miRegionReset( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/, + BoxPtr /*pBox*/ +#endif +); + +extern Bool miPointInRegion( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/, + int /*x*/, + int /*y*/, + BoxPtr /*box*/ +#endif +); + +extern Bool miRegionNotEmpty( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + +extern void miRegionEmpty( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + +extern BoxPtr miRegionExtents( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + +#endif /* REGIONSTRUCT_H */