/* $Xorg: pcfrgb.c,v 1.3 2000/08/17 19:47:26 cpqbld Exp $ */ /**** module pcfrgb.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. ***************************************************************************** pcfrgb.c -- DIXIE routines for managing the ConvertFromRGB element Dean Verheiden -- AGE Logic, Inc. August 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/process/pcfrgb.c,v 3.5 2001/01/17 22:12:52 dawes Exp $ */ #define _XIEC_PCFRGB /* * 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 PrepPConvertFromRGB(floDefPtr flo, peDefPtr ped); /* * dixie element entry points */ static diElemVecRec pConvertFromRGBVec = { PrepPConvertFromRGB /* prepare for analysis and execution */ }; /*------------------------------------------------------------------------ ------------------ routine: make a ConvertFromRBG element ---------------- ------------------------------------------------------------------------*/ peDefPtr MakeConvertFromRGB(floDefPtr flo, xieTypPhototag tag, xieFlo *pe) { peDefPtr ped; ELEMENT(xieFloConvertFromRGB); ELEMENT_AT_LEAST_SIZE(xieFloConvertFromRGB); ELEMENT_NEEDS_1_INPUT(src); if(!(ped = MakePEDef(1, (CARD32)stuff->elemLength<<2, 0))) FloAllocError(flo,tag,xieElemConvertFromRGB, return(NULL)) ; ped->diVec = &pConvertFromRGBVec; ped->phototag = tag; ped->flags.process = TRUE; raw = (xieFloConvertFromRGB *)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); cpswaps(stuff->convert, raw->convert); cpswaps(stuff->lenParams, raw->lenParams); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloConvertFromRGB)); /* * copy technique data (if any) */ if(!(ped->techVec = FindTechnique(xieValConvertFromRGB, raw->convert)) || !(ped->techVec->copyfnc(flo, ped, &stuff[1], &raw[1], raw->lenParams, 0))) TechniqueError(flo,ped,xieValConvertFromRGB,raw->convert,raw->lenParams, return(ped)); /* * assign phototag to inFlo */ ped->inFloLst[SRCtag].srcTag = raw->src; return(ped); } /* end MakePConvertFromRGB */ /*------------------------------------------------------------------------ ------ routine: copy routine for CIELab and CIEXYZ techniques ----------- ------------------------------------------------------------------------*/ #undef sparms #define sparms ((xieTecRGBToCIELab *)sParms) #undef rparms #define rparms ((xieTecRGBToCIELab *)rParms) Bool CopyPConvertFromRGBCIE(TECHNQ_COPY_ARGS) { pTecRGBToCIEDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pTecRGBToCIEDefRec)))) FloAllocError(flo, ped->phototag,xieElemConvertFromRGB, return(TRUE)); pvt = (pTecRGBToCIEDefPtr)ped->techPvt; if( flo->reqClient->swapped ) { swap_floats(&pvt->matrix[0], &sparms->matrix00, 9); cpswaps(sparms->whiteAdjusted, pvt->whiteAdjusted); cpswaps(sparms->lenParams, pvt->lenWhiteParams); } else { copy_floats(&pvt->matrix[0], &sparms->matrix00, 9); pvt->whiteAdjusted = sparms->whiteAdjusted; pvt->lenWhiteParams = sparms->lenParams; } if(!(pvt->whiteTec = FindTechnique(xieValWhiteAdjust, pvt->whiteAdjusted)) || !(TECH_WADJ_FUNC(pvt->whiteTec)(flo, ped, &sparms[1], pvt->whitePoint, pvt->whiteTec, pvt->lenWhiteParams, pvt->whiteAdjusted == xieValDefault))) TechniqueError(flo,ped,xieValWhiteAdjust,pvt->whiteAdjusted, pvt->lenWhiteParams, return(TRUE)); return (TRUE); } /*------------------------------------------------------------------------ ---------- routine: copy routine for YCbCr and YCC techniques ------------ ------------------------------------------------------------------------*/ #undef sparms #define sparms ((xieTecRGBToYCbCr *)sParms) #undef rparms #define rparms ((xieTecRGBToYCbCr *)rParms) Bool CopyPConvertFromRGBYCbCr(TECHNQ_COPY_ARGS) { pTecRGBToYCbCrDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pTecRGBToYCbCrDefRec)))) FloAllocError(flo, ped->phototag,xieElemConvertFromRGB, return(TRUE)); pvt = (pTecRGBToYCbCrDefPtr)ped->techPvt; if( flo->reqClient->swapped ) { cpswapl(sparms->levels0, pvt->levels0); cpswapl(sparms->levels1, pvt->levels1); cpswapl(sparms->levels2, pvt->levels2); swap_floats(&pvt->red, &sparms->lumaRed, 3); swap_floats(&pvt->bias0, &sparms->bias0, 3); } else { pvt->levels0 = sparms->levels0; pvt->levels1 = sparms->levels1; pvt->levels2 = sparms->levels2; copy_floats(&pvt->red, &sparms->lumaRed, 3); copy_floats(&pvt->bias0, &sparms->bias0, 3); } return (TRUE); } #undef sparms #define sparms ((xieTecRGBToYCC *)sParms) #undef rparms #define rparms ((xieTecRGBToYCC *)rParms) Bool CopyPConvertFromRGBYCC(TECHNQ_COPY_ARGS) { pTecRGBToYCCDefPtr pvt; VALIDATE_TECHNIQUE_SIZE(ped->techVec, tsize, FALSE); if (!(ped->techPvt = (pointer )XieMalloc(sizeof(pTecRGBToYCCDefRec)))) FloAllocError(flo, ped->phototag,xieElemConvertFromRGB, return(TRUE)); pvt = (pTecRGBToYCCDefPtr)ped->techPvt; if( flo->reqClient->swapped ) { cpswapl(sparms->levels0, pvt->levels0); cpswapl(sparms->levels1, pvt->levels1); cpswapl(sparms->levels2, pvt->levels2); swap_floats(&pvt->red, &sparms->lumaRed, 3); pvt->scale = ConvertFromIEEE(lswapl(sparms->scale)); } else { pvt->levels0 = sparms->levels0; pvt->levels1 = sparms->levels1; pvt->levels2 = sparms->levels2; copy_floats(&pvt->red, &sparms->lumaRed, 3); pvt->scale = ConvertFromIEEE(sparms->scale); } return (TRUE); } #undef sparms #undef rparms /*------------------------------------------------------------------------ -- routine: prep routine for RGB to CIElab and CIEXYZ techniques --------- ------------------------------------------------------------------------*/ Bool PrepPConvertFromRGBCIE( floDefPtr flo, peDefPtr ped, xieFloConvertFromRGB *raw, xieTecRGBToCIELab *tec) /* same as xieTecRGBToCIEXYZ */ { inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr dst = &ped->outFlo; pTecRGBToCIEDefPtr pvt = (pTecRGBToCIEDefPtr)ped->techPvt; 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++) { dst->format[b] = inf->format[b] = src->format[b]; /* Now, fix up everthing in the destination that will change */ /* For this element, src may have been CONSTRAINED */ dst->format[b].class = UNCONSTRAINED; dst->format[b].depth = sz_RealPixel; dst->format[b].levels = 0; /* Unconstrained */ dst->format[b].stride = sz_RealPixel; dst->format[b].pitch = sz_RealPixel * dst->format[b].width; } return(pvt->whiteTec->prepfnc(flo,ped,pvt->whitePoint)); } /*------------------------------------------------------------------------ -- routine: prep routine for RGB to YCbCr and YCC techniques ------------- ------------------------------------------------------------------------*/ Bool PrepPConvertFromRGBYCbCr( floDefPtr flo, peDefPtr ped, xieFloConvertFromRGB *raw, xieTecRGBToYCbCr *tec) { inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr dst = &ped->outFlo; pTecRGBToYCbCrDefPtr pvt = (pTecRGBToYCbCrDefPtr)ped->techPvt; CARD32 *levels = &(pvt->levels0); 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++) { dst->format[b] = inf->format[b] = src->format[b]; if (IsConstrained(dst->format[b].class)) dst->format[b].levels = *(levels+b); } if (IsConstrained(dst->format[0].class)) { if (UpdateFormatfromLevels(ped) == FALSE) MatchError(flo,ped, return(FALSE)); } /* else the structure copy was sufficient */ return(TRUE); } Bool PrepPConvertFromRGBYCC( floDefPtr flo, peDefPtr ped, xieFloConvertFromRGB *raw, xieTecRGBToYCC *tec) { inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr dst = &ped->outFlo; pTecRGBToYCCDefPtr pvt = (pTecRGBToYCCDefPtr)ped->techPvt; CARD32 *levels = &(pvt->levels0); 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++) { dst->format[b] = inf->format[b] = src->format[b]; if (IsConstrained(dst->format[b].class)) dst->format[b].levels = *(levels+b); } if (IsConstrained(dst->format[0].class)) { if (UpdateFormatfromLevels(ped) == FALSE) MatchError(flo,ped, return(FALSE)); } /* else the structure copy was sufficient */ if (pvt->scale < .001) { /* should be about 1.35 or 1.4 */ ValueError(flo, ped, tec->scale, return(FALSE)); } return(TRUE); } /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepPConvertFromRGB(floDefPtr flo, peDefPtr ped) { inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; xieFloConvertFromRGB *raw = (xieFloConvertFromRGB *)ped->elemRaw; /* Input must be triple band and dimensions must match */ if (IsntCanonic(src->format[0].class) || src->bands != 3 || src->format[0].width != src->format[1].width || src->format[1].width != src->format[2].width || src->format[0].height != src->format[1].height || src->format[1].height != src->format[2].height) MatchError(flo,ped, return(FALSE)); /* ** Technique Prep routine will complete the normal propagation of src ** attributes, and setup of destination attributes. */ if (!(ped->techVec->prepfnc(flo, ped, raw, &raw[1]))) TechniqueError(flo,ped,xieValConvertFromRGB,raw->convert, raw->lenParams, return(FALSE)); return (TRUE); } /* end module pcfrgb.c */