/* $Xorg: echist.c,v 1.3 2000/08/17 19:47:23 cpqbld Exp $ */ /**** module echist.c ****/ /****************************************************************************** Copyright 1993, 1994, 1998 The Open Group All Rights Reserved. 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 OPEN GROUP 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 Open Group 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 Open Group. NOTICE This software is being provided by AGE Logic, Inc. under the following license. By obtaining, using and/or copying this software, you agree that you have read, understood, and will comply with these terms and conditions: Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose and without fee or royalty and to grant others any or all rights granted herein is hereby granted, provided that you agree to comply with the following copyright notice and statements, including the disclaimer, and that the same appears on all copies and derivative works of the software and documentation you make. "Copyright 1993, 1994 by AGE Logic, Inc." THIS SOFTWARE IS PROVIDED "AS IS". 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Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** echist.c -- DIXIE routines for managing the ExportClientHistogram elem. Dean Verheiden -- AGE Logic, Inc. July 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/export/echist.c,v 3.4 2001/01/17 22:12:48 dawes Exp $ */ #define _XIEC_ECHIST /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * Server XIE Includes */ #include #include #include #include /* * routines internal to this module */ static Bool PrepECHistogram(floDefPtr flo, peDefPtr ped); /* * dixie entry points */ static diElemVecRec eHistogramVec = { PrepECHistogram /* prepare for analysis and execution */ }; /*------------------------------------------------------------------------ -------------- routine: make an ExportClientHistogram element ------------ ------------------------------------------------------------------------*/ peDefPtr MakeECHistogram(floDefPtr flo, xieTypPhototag tag, xieFlo *pe) { int inputs; peDefPtr ped; inFloPtr inFlo; ELEMENT(xieFloExportClientHistogram); ELEMENT_SIZE_MATCH(xieFloExportClientHistogram); ELEMENT_NEEDS_1_INPUT(src); inputs = 1 + (stuff->domainPhototag ? 1 : 0); if(!(ped = MakePEDef(inputs, (CARD32)stuff->elemLength<<2, 0))) FloAllocError(flo,tag,xieElemExportClientHistogram, return(NULL)); ped->diVec = &eHistogramVec; ped->phototag = tag; ped->flags.export = TRUE; ped->flags.getData = TRUE; raw = (xieFloExportClientHistogram *)ped->elemRaw; /* * copy the standard client element parameters (swap if necessary) */ if (flo->reqClient->swapped) { raw->elemType = stuff->elemType; raw->elemLength = stuff->elemLength; cpswaps(stuff->src, raw->src); raw->notify = stuff->notify; cpswapl(stuff->domainOffsetX, raw->domainOffsetX); cpswapl(stuff->domainOffsetY, raw->domainOffsetY); cpswaps(stuff->domainPhototag,raw->domainPhototag); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloExportClientHistogram)); /* * assign phototags to inFlos */ inFlo = ped->inFloLst; inFlo[SRCtag].srcTag = raw->src; if(raw->domainPhototag) inFlo[ped->inCnt-1].srcTag = raw->domainPhototag; return(ped); } /* end MakeECHistogram */ /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepECHistogram(floDefPtr flo, peDefPtr ped) { xieFloExportClientHistogram *raw = (xieFloExportClientHistogram *)ped->elemRaw; inFloPtr ind, inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr outflo = &ped->outFlo; /* check notify */ if(raw->notify != xieValDisable && raw->notify != xieValFirstData && raw->notify != xieValNewData) ValueError(flo,ped,raw->notify, return(FALSE)); /* check out process domain */ if(raw->domainPhototag) { outFloPtr dom; ind = &ped->inFloLst[ped->inCnt-1]; dom = &ind->srcDef->outFlo; if((ind->bands = dom->bands) != 1 || IsntDomain(dom->format[0].class)) DomainError(flo,ped,raw->domainPhototag, return(FALSE)); ind->format[0] = dom->format[0]; } /* check and propagate src */ if (src->bands != 1 || IsntConstrained(src->format[0].class)) MatchError(flo,ped,return(FALSE)); inf->bands = 1; inf->format[0] = src->format[0]; /* Don't really have an outflo */ outflo->bands = 1; outflo->format[0] = inf->format[0]; outflo->format[0].class = STREAM; ped->swapUnits[0] = sizeof(xieTypHistogramData); return(TRUE); } /* end PrepECHistogram */ /* end module echist.c */