/* $XConsortium: phist.c,v 1.4 94/04/17 20:33:46 rws Exp $ */ /* $XFree86: xc/programs/Xserver/XIE/dixie/process/phist.c,v 3.1 1996/08/20 12:21:43 dawes Exp $ */ /**** module phist.c ****/ /****************************************************************************** Copyright (c) 1993, 1994 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. 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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". AGE LOGIC MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not limitation, AGE LOGIC MAKE NO REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE SOFTWARE DOES NOT INFRINGE THIRD-PARTY PROPRIETARY RIGHTS. AGE LOGIC SHALL BEAR NO LIABILITY FOR ANY USE OF THIS SOFTWARE. IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF PROFITS, REVENUE, DATA OR USE, INCURRED BY EITHER PARTY OR ANY THIRD PARTY, WHETHER IN AN ACTION IN CONTRACT OR TORT OR BASED ON A WARRANTY, EVEN IF AGE LOGIC LICENSEES HEREUNDER HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The name of AGE Logic, Inc. may not be used in advertising or publicity pertaining to this software without specific, written prior permission from AGE Logic. Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** phist.c -- DIXIE routines for managing the MatchHistogram element Dean Verheiden -- AGE Logic, Inc. August 1993 *****************************************************************************/ #define _XIEC_PHIST /* * Include files */ #include /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include /* * Server XIE Includes */ #include #include #include #include #include #include /* * routines referenced by other modules. */ peDefPtr MakeMatchHistogram(); /* * routines internal to this module */ static Bool PrepMatchHistogram(); /* * dixie entry points */ static diElemVecRec pMatchHistogramVec = { PrepMatchHistogram /* prepare for analysis and execution */ }; /*------------------------------------------------------------------------ ----------------- routine: make a match histogram element ---------------- ------------------------------------------------------------------------*/ peDefPtr MakeMatchHistogram(flo,tag,pe) floDefPtr flo; xieTypPhototag tag; xieFlo *pe; { int inputs; peDefPtr ped; inFloPtr inFlo; ELEMENT(xieFloMatchHistogram); ELEMENT_AT_LEAST_SIZE(xieFloMatchHistogram); ELEMENT_NEEDS_1_INPUT(src); inputs = 1 + (stuff->domainPhototag ? 1 : 0); if (!(ped = MakePEDef(inputs, (CARD32)stuff->elemLength<<2, 0))) FloAllocError(flo, tag, xieElemMatchHistogram, return(NULL)); ped->diVec = &pMatchHistogramVec; ped->phototag = tag; ped->flags.process = TRUE; raw = (xieFloMatchHistogram *)ped->elemRaw; /* * copy the client element parameters (swap if necessary) */ if (flo->reqClient->swapped) { raw->elemType = stuff->elemType; raw->elemLength = stuff->elemLength; cpswaps(stuff->src, raw->src); cpswapl(stuff->domainOffsetX, raw->domainOffsetX); cpswapl(stuff->domainOffsetY, raw->domainOffsetY); cpswaps(stuff->domainPhototag,raw->domainPhototag); cpswaps(stuff->shape,raw->shape); cpswaps(stuff->lenParams,raw->lenParams); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloMatchHistogram)); /* * copy technique data (if any) */ if(!(ped->techVec = FindTechnique(xieValHistogram, raw->shape)) || !(ped->techVec->copyfnc(flo, ped, &stuff[1], &raw[1], raw->lenParams))) TechniqueError(flo,ped,xieValHistogram,raw->shape,raw->lenParams, return(ped)); /* 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 MakeMatchHistogram */ /*------------------------------------------------------------------------ ------------------- routine: copy routine for Flat technique ------------ ------------------------------------------------------------------------*/ Bool CopyPHistogramFlat(flo, ped, sparms, rparms, tsize) floDefPtr flo; peDefPtr ped; pointer sparms, rparms; CARD16 tsize; { return (tsize == 0); } /*------------------------------------------------------------------------ ---------------- routine: copy routine for Gaussian technique ----------- ------------------------------------------------------------------------*/ Bool CopyPHistogramGaussian(flo, ped, sparms, rparms, tsize) floDefPtr flo; peDefPtr ped; xieTecHistogramGaussian *sparms, *rparms; CARD16 tsize; { pTecHistogramGaussianDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pTecHistogramGaussianDefRec)))) FloAllocError(flo, ped->phototag, xieElemMatchHistogram, return(TRUE)); pvt = (pTecHistogramGaussianDefPtr)ped->techPvt; if( flo->reqClient->swapped ) { pvt->mean = ConvertFromIEEE(lswapl(sparms->mean)); pvt->sigma = ConvertFromIEEE(lswapl(sparms->sigma)); } else { pvt->mean = ConvertFromIEEE(sparms->mean); pvt->sigma = ConvertFromIEEE(sparms->sigma); } return (TRUE); } /*------------------------------------------------------------------------ -------------- routine: copy routine for Hyperbolic technique ----------- ------------------------------------------------------------------------*/ Bool CopyPHistogramHyperbolic(flo, ped, sparms, rparms, tsize) floDefPtr flo; peDefPtr ped; xieTecHistogramHyperbolic *sparms, *rparms; CARD16 tsize; { pTecHistogramHyperbolicDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pTecHistogramHyperbolicDefRec)))) FloAllocError(flo, ped->phototag, xieElemMatchHistogram, return(TRUE)); pvt = (pTecHistogramHyperbolicDefPtr)ped->techPvt; pvt->shapeFactor = sparms->shapeFactor; if( flo->reqClient->swapped ) { pvt->constant = ConvertFromIEEE(lswapl(sparms->constant)); } else { pvt->constant = ConvertFromIEEE(sparms->constant); } return (TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prep routine for Gaussian technique ------------ ------------------------------------------------------------------------*/ Bool PrepPHistogramFlat(flo, ped) floDefPtr flo; peDefPtr ped; { return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prep routine for Gaussian technique ------------ ------------------------------------------------------------------------*/ Bool PrepPHistogramGaussian(flo, ped) floDefPtr flo; peDefPtr ped; { if (((pTecHistogramGaussianDefPtr)ped->techPvt)->sigma <= 0) return(FALSE); return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prep routine for Hyperbolic technique ---------- ------------------------------------------------------------------------*/ Bool PrepPHistogramHyperbolic(flo, ped) floDefPtr flo; peDefPtr ped; { double constant = ((pTecHistogramHyperbolicDefPtr)ped->techPvt)->constant; if (constant >= -1 && constant <= 0) return(FALSE); return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepMatchHistogram(flo,ped) floDefPtr flo; peDefPtr ped; { xieFloMatchHistogram *raw = (xieFloMatchHistogram *)ped->elemRaw; inFloPtr ind, in = &ped->inFloLst[SRCtag]; outFloPtr src = &in->srcDef->outFlo; outFloPtr dst = &ped->outFlo; /* make sure source parameters are legal for MatchHistogram */ if (IsntConstrained(src->format[0].class) || src->format[0].class == BIT_PIXEL || src->bands != 1) MatchError(flo,ped, return(FALSE)); /* check out our 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]; } /* grab a copy of the input attributes and propagate them to output */ dst->bands = in->bands = src->bands; dst->format[0] = in->format[0] = src->format[0]; /* Take care of any technique parameters */ if (!(ped->techVec->prepfnc(flo, ped))) TechniqueError(flo,ped,xieValHistogram,raw->shape,raw->lenParams, return(FALSE)); return (TRUE); } /* end PrepMatchHistogram */ /* end module phist.c */