/* $Xorg: ephoto.c,v 1.3 2000/08/17 19:47:24 cpqbld Exp $ */ /**** module ephoto.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. ***************************************************************************** ephoto.c -- DIXIE routines for managing the ExportPhotomap element Robert NC Shelley && Dean Verheiden -- AGE Logic, Inc. April 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/export/ephoto.c,v 3.5 2001/01/17 22:12:49 dawes Exp $ */ #define _XIEC_EPHOTO /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include /* * Server XIE Includes */ #include #include #include #include #include #include #include #include /* For Server Choice function */ #include /* * routines internal to this module */ static Bool CopyEPhotoServerChoice( floDefPtr flo, peDefPtr ped, xieTecEncodeServerChoice *sparms, xieTecEncodeServerChoice *rparms, CARD16 tsize); static Bool PrepEPhoto(floDefPtr flo, peDefPtr ped); static Bool DebriefEPhoto(floDefPtr flo, peDefPtr ped, Bool ok); extern pointer GetImportTechnique(); /* * dixie entry points */ static diElemVecRec ePhotoVec = { PrepEPhoto, DebriefEPhoto }; /*------------------------------------------------------------------------ ----------------- routine: make an ExportPhotomap element ---------------- ------------------------------------------------------------------------*/ peDefPtr MakeEPhoto(floDefPtr flo, xieTypPhototag tag, xieFlo *pe) { peDefPtr ped; inFloPtr inFlo; ELEMENT(xieFloExportPhotomap); ELEMENT_AT_LEAST_SIZE(xieFloExportPhotomap); ELEMENT_NEEDS_1_INPUT(src); if(!(ped = MakePEDef(1,(CARD32)stuff->elemLength<<2,sizeof(ePhotoDefRec)))) FloAllocError(flo,tag,xieElemExportPhotomap, return(NULL)); ped->diVec = &ePhotoVec; ped->phototag = tag; ped->flags.export = TRUE; raw = (xieFloExportPhotomap *)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); cpswapl(stuff->photomap, raw->photomap); cpswaps(stuff->encodeTechnique, raw->encodeTechnique); cpswaps(stuff->lenParams, raw->lenParams); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloExportPhotomap)); /* * assign phototags to inFlos */ inFlo = ped->inFloLst; inFlo[SRCtag].srcTag = raw->src; /* * copy technique data (if any) */ if (raw->encodeTechnique == xieValEncodeServerChoice) { if (!CopyEPhotoServerChoice(flo, ped, (xieTecEncodeServerChoice *) &stuff[1], (xieTecEncodeServerChoice *) &raw[1], raw->lenParams)) TechniqueError(flo,ped,xieValEncode,raw->encodeTechnique,raw->lenParams, return(ped)); } else if (!(ped->techVec = FindTechnique(xieValEncode,raw->encodeTechnique)) || !(ped->techVec->copyfnc(flo,ped,&stuff[1],&raw[1],raw->lenParams,0))) TechniqueError(flo,ped,xieValEncode,raw->encodeTechnique,raw->lenParams, return(ped)); return(ped); } /* end MakeEPhoto */ static Bool CopyEPhotoServerChoice( floDefPtr flo, peDefPtr ped, xieTecEncodeServerChoice *sparms, xieTecEncodeServerChoice *rparms, CARD16 tsize) { if(tsize == 1) rparms->preference = sparms->preference; return(tsize <= 1); } /* All other technique-specific copy routines are defined in ecphoto.c */ /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepEPhoto(floDefPtr flo, peDefPtr ped) { xieFloExportPhotomap *raw = (xieFloExportPhotomap *)ped->elemRaw; ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr dst = &ped->outFlo; xieBoolProc scPrep; CARD32 b; /* find the photomap resource and bind it to our flo */ if(!(pvt->map = (photomapPtr) LookupIDByType(raw->photomap, RT_PHOTOMAP))) PhotomapError(flo,ped,raw->photomap, return(FALSE)); ++pvt->map->refCnt; pvt->congress = FALSE; if(raw->encodeTechnique == xieValEncodeServerChoice) { if(!(scPrep = ((xieBoolProc (*)()) DDInterface[DDServerChoiceIndex]) (flo, ped))) TechniqueError(flo,ped,xieValEncode,raw->encodeTechnique,raw->lenParams, return(FALSE)); } else { /* grab a copy of the input attributes and propagate them to our output */ outFloPtr src = &inf->srcDef->outFlo; for(b = 0; b < src->bands; ++b) { if(IsntCanonic(src->format[b].class)) MatchError(flo,ped, return(FALSE)); dst->format[b] = inf->format[b] = src->format[b]; dst->bands = inf->bands = src->bands; /* dst->bands will be 1 if we encode TripleBand interleaved BandByPixel */ } scPrep = (xieBoolProc)NULL; } /* do technique-specific preparations */ if(scPrep) { if (!(*scPrep)(flo,ped)) TechniqueError(flo,ped,xieValEncode,raw->encodeTechnique, raw->lenParams, return(FALSE)); } else { if(!(ped->techVec->prepfnc(flo, ped, &raw[1]))) TechniqueError(flo,ped,xieValEncode,raw->encodeTechnique,raw->lenParams, return(FALSE)); pvt->encodeNumber = raw->encodeTechnique; pvt->encodeLen = raw->lenParams << 2; pvt->encodeParms = (pointer)&raw[1]; if(!BuildDecodeFromEncode(flo,ped)) AllocError(flo,ped, return(FALSE)); /* see if import data can leap-frog the import and export elements */ if(ped->inFloLst[IMPORT].srcDef->flags.import && CompareDecode(flo,ped)) { inFloPtr import = &inf->srcDef->inFloLst[IMPORT]; /* copy smuggled data attributes to our inFlo */ inf->bands = import->bands; for(b = 0; b < import->bands; ++b) inf->format[b] = import->format[b]; pvt->congress = TRUE; } } return(TRUE); } /* end PrepEPhoto */ /* All technique-specific prep routines are defined in ecphoto.c */ Bool BuildDecodeFromEncode(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; /* Based on the encode technique, build a correspoinding decode technique */ switch(pvt->encodeNumber) { case xieValEncodeUncompressedSingle: { xieTecEncodeUncompressedSingle *etec = (xieTecEncodeUncompressedSingle *)pvt->encodeParms; xieTecDecodeUncompressedSingle *dtec; if (!(dtec = (xieTecDecodeUncompressedSingle *) XieMalloc(sizeof(xieTecDecodeUncompressedSingle)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeUncompressedSingle; pvt->decodeLen = sizeof(xieTecDecodeUncompressedSingle); pvt->decodeParms = (pointer)dtec; dtec->fillOrder = etec->fillOrder; dtec->pixelOrder = etec->pixelOrder; dtec->pixelStride = etec->pixelStride; dtec->leftPad = 0; dtec->scanlinePad = etec->scanlinePad; } break; case xieValEncodeUncompressedTriple: { xieTecEncodeUncompressedTriple *etec = (xieTecEncodeUncompressedTriple *)pvt->encodeParms; xieTecDecodeUncompressedTriple *dtec; int i; if (!(dtec = (xieTecDecodeUncompressedTriple *) XieMalloc(sizeof(xieTecDecodeUncompressedTriple)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeUncompressedTriple; pvt->decodeLen = sizeof(xieTecDecodeUncompressedTriple); pvt->decodeParms = (pointer)dtec; dtec->fillOrder = etec->fillOrder; dtec->pixelOrder = etec->pixelOrder; dtec->bandOrder = etec->bandOrder; dtec->interleave = etec->interleave; for (i = 0; i < 3; i++) { dtec->leftPad[i] = 0; dtec->pixelStride[i] = etec->pixelStride[i]; dtec->scanlinePad[i] = etec->scanlinePad[i]; } } break; case xieValEncodeG31D: { xieTecEncodeG31D *etec = (xieTecEncodeG31D *)pvt->encodeParms; xieTecDecodeG31D *dtec; if (!(dtec = (xieTecDecodeG31D *) XieMalloc(sizeof(xieTecDecodeG31D)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeG31D; pvt->decodeLen = sizeof(xieTecDecodeG31D); pvt->decodeParms = (pointer)dtec; dtec->normal = TRUE; dtec->radiometric = etec->radiometric; dtec->encodedOrder = etec->encodedOrder; } break; case xieValEncodeG32D: { xieTecEncodeG32D *etec = (xieTecEncodeG32D *)pvt->encodeParms; xieTecDecodeG32D *dtec; if (!(dtec = (xieTecDecodeG32D *) XieMalloc(sizeof(xieTecDecodeG32D)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeG32D; pvt->decodeLen = sizeof(xieTecDecodeG32D); pvt->decodeParms = (pointer)dtec; dtec->normal = TRUE; dtec->radiometric = etec->radiometric; dtec->encodedOrder = etec->encodedOrder; } break; case xieValEncodeG42D: { xieTecEncodeG42D *etec = (xieTecEncodeG42D *)pvt->encodeParms; xieTecDecodeG42D *dtec; if (!(dtec = (xieTecDecodeG42D *) XieMalloc(sizeof(xieTecDecodeG42D)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeG42D; pvt->decodeLen = sizeof(xieTecDecodeG42D); pvt->decodeParms = (pointer)dtec; dtec->normal = TRUE; dtec->radiometric = etec->radiometric; dtec->encodedOrder = etec->encodedOrder; } break; case xieValEncodeJPEGBaseline: { xieTecEncodeJPEGBaseline *etec = (xieTecEncodeJPEGBaseline *)pvt->encodeParms; xieTecDecodeJPEGBaseline *dtec; if (!(dtec = (xieTecDecodeJPEGBaseline *) XieMalloc(sizeof(xieTecDecodeJPEGBaseline)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeJPEGBaseline; pvt->decodeLen = sizeof(xieTecDecodeJPEGBaseline); pvt->decodeParms = (pointer)dtec; dtec->interleave = etec->interleave; dtec->upSample = etec->interleave == xieValBandByPixel; dtec->bandOrder = etec->bandOrder; } break; case xieValEncodeTIFF2: { xieTecEncodeTIFF2 *etec = (xieTecEncodeTIFF2 *)pvt->encodeParms; xieTecDecodeTIFF2 *dtec; if (!(dtec = (xieTecDecodeTIFF2 *) XieMalloc(sizeof(xieTecDecodeTIFF2)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeTIFF2; pvt->decodeLen = sizeof(xieTecDecodeTIFF2); pvt->decodeParms = (pointer)dtec; dtec->normal = TRUE; dtec->radiometric = etec->radiometric; dtec->encodedOrder = etec->encodedOrder; } break; case xieValEncodeTIFFPackBits: { xieTecEncodeTIFFPackBits *etec = (xieTecEncodeTIFFPackBits *)pvt->encodeParms; xieTecDecodeTIFFPackBits *dtec; if (!(dtec = (xieTecDecodeTIFFPackBits *) XieMalloc(sizeof(xieTecDecodeTIFFPackBits)))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeTIFFPackBits; pvt->decodeLen = sizeof(xieTecDecodeTIFFPackBits); pvt->decodeParms = (pointer)dtec; dtec->normal = TRUE; dtec->encodedOrder = etec->encodedOrder; } break; case xieValEncodeJPEGLossless: /* not implemented in SI */ default: ImplementationError(flo,ped, return(FALSE)); } return(TRUE); } Bool CompareDecode(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; peDefPtr srcped = ped->inFloLst[IMPORT].srcDef; CARD16 decodeNumber, decodeLen; pointer decodeParms; decodeParms = GetImportTechnique(srcped,&decodeNumber,&decodeLen); if(decodeNumber != pvt->decodeNumber) return(FALSE); switch (decodeNumber) { case xieValDecodeUncompressedSingle: { xieTecDecodeUncompressedSingle *itec = (xieTecDecodeUncompressedSingle *)decodeParms; xieTecDecodeUncompressedSingle *otec = (xieTecDecodeUncompressedSingle *)pvt->decodeParms; return (itec->fillOrder == otec->fillOrder && itec->pixelOrder == otec->pixelOrder && itec->pixelStride == otec->pixelStride && itec->leftPad == otec->leftPad && itec->pixelStride == otec->pixelStride && itec->scanlinePad == otec->scanlinePad); } break; case xieValDecodeUncompressedTriple: { xieTecDecodeUncompressedTriple *itec = (xieTecDecodeUncompressedTriple *)decodeParms; xieTecDecodeUncompressedTriple *otec = (xieTecDecodeUncompressedTriple *)pvt->decodeParms; return (itec->fillOrder == otec->fillOrder && itec->pixelOrder == otec->pixelOrder && itec->interleave == otec->interleave && itec->bandOrder == otec->bandOrder && itec->leftPad[0] == otec->leftPad[0] && itec->leftPad[1] == otec->leftPad[1] && itec->leftPad[2] == otec->leftPad[2] && itec->pixelStride[0] == otec->pixelStride[0] && itec->pixelStride[1] == otec->pixelStride[1] && itec->pixelStride[2] == otec->pixelStride[2] && itec->scanlinePad[0] == otec->scanlinePad[0] && itec->scanlinePad[1] == otec->scanlinePad[1] && itec->scanlinePad[2] == otec->scanlinePad[2]); } break; case xieValDecodeG31D: case xieValDecodeG32D: case xieValDecodeG42D: case xieValDecodeTIFF2: { xieTecDecodeG31D *itec = (xieTecDecodeG31D *)decodeParms; xieTecDecodeG31D *otec = (xieTecDecodeG31D *)pvt->decodeParms; return (itec->normal == otec->normal && itec->radiometric == otec->radiometric && itec->encodedOrder == otec->encodedOrder); } break; case xieValDecodeJPEGBaseline: case xieValDecodeJPEGLossless: { xieTecDecodeJPEGBaseline *itec = (xieTecDecodeJPEGBaseline *)decodeParms; xieTecDecodeJPEGBaseline *otec = (xieTecDecodeJPEGBaseline *)pvt->decodeParms; return (itec->interleave == otec->interleave && itec->bandOrder == otec->bandOrder && itec->upSample == otec->upSample); } break; case xieValDecodeTIFFPackBits: { xieTecDecodeTIFFPackBits *itec = (xieTecDecodeTIFFPackBits *)decodeParms; xieTecDecodeTIFFPackBits *otec = (xieTecDecodeTIFFPackBits *)pvt->decodeParms; return (itec->normal == otec->normal && itec->encodedOrder == otec->encodedOrder); } break; default: return (FALSE); } } /*------------------------------------------------------------------------ ---------------------- routine: post execution cleanup ------------------- ------------------------------------------------------------------------*/ static Bool DebriefEPhoto(floDefPtr flo, peDefPtr ped, Bool ok) { xieFloExportPhotomap *raw = (xieFloExportPhotomap *)ped->elemRaw; ePhotoDefPtr pvt = (ePhotoDefPtr) ped->elemPvt; inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; photomapPtr map; CARD32 b; if(!(pvt && (map = pvt->map))) return(FALSE); if(ok && map->refCnt > 1) { /* free old compression parameters and image data */ if(map->tecParms) map->tecParms = (pointer)XieFree(map->tecParms); if(map->pvtParms) map->pvtParms = (pointer)XieFree(map->pvtParms); for(b = 0; b < map->bands; b++) FreeStrips(&map->strips[b]); /* stash our new attributes and data into the photomap */ map->bands = ped->outFlo.bands; map->dataType = (map->format[0].class & UNCONSTRAINED ? xieValUnconstrained : xieValConstrained); map->technique = pvt->decodeNumber; map->lenParms = pvt->decodeLen; map->tecParms = pvt->decodeParms; map->pvtParms = pvt->pvtParms; map->dataClass = src->bands == 3 ? xieValTripleBand : xieValSingleBand; for(b = 0; b < map->bands; ++b) { map->format[b] = ped->outFlo.format[b]; DebriefStrips(&ped->outFlo.output[b],&map->strips[b]); } pvt->decodeParms = NULL; if (src->bands == 3 && map->bands == 1) { /* * save format for the other bands too, we'll need them when we decode */ for(b = 1; b < src->bands; ++b) map->format[b] = src->format[b]; } } /* if server choice, free space used to hold fabricated encode parameters */ if (pvt->serverChose && pvt->encodeParms) XieFree(pvt->encodeParms); /* Free decodeParms if something went afoul before hooking on to photomap */ if (pvt->decodeParms) XieFree(pvt->decodeParms); /* free image data that's left over on our outFlo */ for(b = 0; b < ped->outFlo.bands; b++) FreeStrips(&ped->outFlo.output[b]); /* unbind ourself from the photomap */ if(map->refCnt > 1) --map->refCnt; else if(LookupIDByType(raw->photomap, RT_PHOTOMAP)) FreeResourceByType(map->ID, RT_PHOTOMAP, RT_NONE); else DeletePhotomap(map, map->ID); return(TRUE); } /* end DebriefEPhoto */ /* end module ephoto.c */