/* $Xorg: pcnst.c,v 1.3 2000/08/17 19:47:26 cpqbld Exp $ */ /**** module pcnst.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. 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Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** pcnst..c -- DIXIE routines for managing the Constrain element Dean Verheiden -- AGE Logic, Inc. May 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/process/pcnst.c,v 3.5 2001/01/17 22:12:52 dawes Exp $ */ #define _XIEC_PCNST /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include /* * Server XIE Includes */ #include #include #include #include #include #include #include /* * routines internal to this module */ static Bool PrepPConstrain(floDefPtr flo, peDefPtr ped); /* * dixie element entry points */ static diElemVecRec pConstrainVec = { PrepPConstrain /* prepare for analysis and execution */ }; /*------------------------------------------------------------------------ -------------------- routine: make a constrain element ------------------ ------------------------------------------------------------------------*/ peDefPtr MakeConstrain(floDefPtr flo, xieTypPhototag tag, xieFlo *pe) { peDefPtr ped; ELEMENT(xieFloConstrain); ELEMENT_AT_LEAST_SIZE(xieFloConstrain); ELEMENT_NEEDS_1_INPUT(src); if(!(ped = MakePEDef(1, (CARD32)stuff->elemLength<<2, 0))) FloAllocError(flo,tag,xieElemConstrain, return(NULL)) ; ped->diVec = &pConstrainVec; ped->phototag = tag; ped->flags.process = TRUE; raw = (xieFloConstrain *)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->levels0, raw->levels0); cpswapl(stuff->levels1, raw->levels1); cpswapl(stuff->levels2, raw->levels2); cpswaps(stuff->lenParams, raw->lenParams); cpswaps(stuff->constrain, raw->constrain); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloConstrain)); /* * copy technique data (if any) */ if(!(ped->techVec = FindTechnique(xieValConstrain, raw->constrain)) || !(ped->techVec->copyfnc(flo, ped, &stuff[1], &raw[1], raw->lenParams, 0))) TechniqueError(flo,ped,xieValConstrain,raw->constrain,raw->lenParams, return(ped)); /* * assign phototag to inFlo */ ped->inFloLst[SRCtag].srcTag = raw->src; return(ped); } /* end MakePConstrain */ /*------------------------------------------------------------------------ ---------------- routine: copy routine for no param techniques ------------- ------------------------------------------------------------------------*/ Bool CopyPConstrainStandard(TECHNQ_COPY_ARGS) { return(tsize == 0); } /*------------------------------------------------------------------------ ---------------- routine: copy routine for Clip-Scale technique --------- ------------------------------------------------------------------------*/ #undef sparms #define sparms ((xieTecClipScale *)sParms) #undef rparms #define rparms ((xieTecClipScale *)rParms) Bool CopyPConstrainClipScale(TECHNQ_COPY_ARGS) { pCnstDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pCnstDefRec)))) FloAllocError(flo, ped->phototag,xieElemConstrain, return(TRUE)); pvt = (pCnstDefPtr)ped->techPvt; if( flo->reqClient->swapped ) { pvt->input_low[0] = ConvertFromIEEE(lswapl(sparms->inputLow0)); pvt->input_low[1] = ConvertFromIEEE(lswapl(sparms->inputLow1)); pvt->input_low[2] = ConvertFromIEEE(lswapl(sparms->inputLow2)); pvt->input_high[0] = ConvertFromIEEE(lswapl(sparms->inputHigh0)); pvt->input_high[1] = ConvertFromIEEE(lswapl(sparms->inputHigh1)); pvt->input_high[2] = ConvertFromIEEE(lswapl(sparms->inputHigh2)); cpswapl(sparms->outputLow0, pvt->output_low[0]); cpswapl(sparms->outputLow1, pvt->output_low[1]); cpswapl(sparms->outputLow2, pvt->output_low[2]); cpswapl(sparms->outputHigh0, pvt->output_high[0]); cpswapl(sparms->outputHigh1, pvt->output_high[1]); cpswapl(sparms->outputHigh2, pvt->output_high[2]); } else { pvt->input_low[0] = ConvertFromIEEE(sparms->inputLow0); pvt->input_low[1] = ConvertFromIEEE(sparms->inputLow1); pvt->input_low[2] = ConvertFromIEEE(sparms->inputLow2); pvt->input_high[0] = ConvertFromIEEE(sparms->inputHigh0); pvt->input_high[1] = ConvertFromIEEE(sparms->inputHigh1); pvt->input_high[2] = ConvertFromIEEE(sparms->inputHigh2); pvt->output_low[0] = sparms->outputLow0; pvt->output_low[1] = sparms->outputLow1; pvt->output_low[2] = sparms->outputLow2; pvt->output_high[0] = sparms->outputHigh0; pvt->output_high[1] = sparms->outputHigh1; pvt->output_high[2] = sparms->outputHigh2; } return (TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prep routine for no param techniques ------------- ------------------------------------------------------------------------*/ Bool PrepPConstrainStandard( floDefPtr flo, peDefPtr ped, pointer raw, pointer tec) { return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prep routine for Clip Scale technique ---------- ------------------------------------------------------------------------*/ Bool PrepPConstrainClipScale( floDefPtr flo, peDefPtr ped, xieTecClipScale *raw, xieTecClipScale *tec) { pCnstDefPtr pvt = (pCnstDefPtr)ped->techPvt; if (pvt->input_low[0] == pvt->input_high[0] || pvt->output_low[0] > ped->outFlo.format[0].levels - 1 || pvt->output_high[0] > ped->outFlo.format[0].levels - 1) return(FALSE); if (ped->outFlo.bands > 1) { if ( pvt->input_low[1] == pvt->input_high[1] || pvt->output_low[1] > ped->outFlo.format[1].levels - 1 || pvt->output_high[1] > ped->outFlo.format[1].levels - 1 || pvt->input_low[2] == pvt->input_high[2] || pvt->output_low[2] > ped->outFlo.format[2].levels - 1 || pvt->output_high[2] > ped->outFlo.format[2].levels - 1) return(FALSE); } return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepPConstrain( floDefPtr flo, peDefPtr ped) { inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr dst = &ped->outFlo; xieFloConstrain *raw = (xieFloConstrain *)ped->elemRaw; int b; /* grab a copy of the src attributes and propagate them to our input */ dst->bands = inf->bands = src->bands; for(b = 0; b < src->bands; b++) { /* This should be impossible */ if (IsntCanonic(src->format[b].class)) ImplementationError(flo, ped, return(FALSE)); inf->format[b] = src->format[b]; /* Copy outFlo values that are unchanged by constrain */ dst->format[b].band = b; dst->format[b].interleaved = src->format[b].interleaved; dst->format[b].width = src->format[b].width; dst->format[b].height = src->format[b].height; } /* Pull in levels information from the element description */ if ((dst->format[0].levels = raw->levels0) > MAX_LEVELS(src->bands)) ValueError(flo,ped,raw->levels0,return(FALSE)); if (dst->bands > 1) { if ((dst->format[1].levels = raw->levels1) > MAX_LEVELS(src->bands)) ValueError(flo,ped,raw->levels1,return(FALSE)); if ((dst->format[2].levels = raw->levels2) > MAX_LEVELS(src->bands)) ValueError(flo,ped,raw->levels2,return(FALSE)); } /* Set depth, class, stride, and pitch */ if(!UpdateFormatfromLevels(ped)) MatchError(flo,ped, return(FALSE)); /* Take care of any technique parameters */ if (!(ped->techVec->prepfnc(flo, ped, raw, &raw[1]))) TechniqueError(flo,ped,xieValConstrain,raw->constrain,raw->lenParams, return(FALSE)); return (TRUE); } /* end module pcnst.c */