/* $Xorg: schoice.c,v 1.3 2000/08/17 19:47:36 cpqbld Exp $ */ /**** module schoice.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. **************************************************************************** schoice.c: Routines to handle server choice encoding Dean Verheiden && Robert NC Shelley AGE Logic, Inc. Jan 1994 ****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/mixie/export/schoice.c,v 3.5 2001/01/17 22:13:02 dawes Exp $ */ #define _XIEC_SCHOICE #define _XIEC_IPHOTO /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include /* * Element Specific Includes */ #include #include #include #include #include #include static Bool PrepSCCanonic(floDefPtr flo, peDefPtr ped); static Bool PrepSCSmuggle(floDefPtr flo, peDefPtr ped); static Bool PrepSCPackBits(floDefPtr flo, peDefPtr ped); static Bool PrepSCG42D(floDefPtr flo, peDefPtr ped); extern Bool BuildDecodeFromEncode(); extern pointer GetImportTechnique(); /* REFORMAT_UNCOMPRESSED (options for prefer space) * TRUE = convert uncompressed import data to canonic form before saving * FALSE = save uncompressed import data "as is" * * COMPRESS_BITONAL * PrepSCPackBits * PrepSCG42D * * DEFAULT_PREFERENCE * xieValPreferSpace * xieValPreferTime */ #define REFORMAT_UNCOMPRESSED TRUE #define COMPRESS_BITONAL PrepSCPackBits #define DEFAULT_PREFERENCE xieValPreferTime /*------------------------------------------------------------------------ ----------------------- choose an encode technique ----------------------- ------------------------------------------------------------------------*/ xieBoolProc GetServerChoice(floDefPtr flo, peDefPtr eped) { ePhotoDefPtr pvt = (ePhotoDefPtr)eped->elemPvt; xieFloExportPhotomap *raw = (xieFloExportPhotomap *)eped->elemRaw; outFloPtr dst = &eped->outFlo; inFloPtr inf = &eped->inFloLst[SRCtag]; peDefPtr iped = inf->srcDef; Bool smuggle = FALSE; formatPtr fmt; xieBoolProc scPrep; CARD8 b, bands, preference; CARD16 tecNum, tecLen; pointer import; import = GetImportTechnique(iped,&tecNum,&tecLen); if(raw->lenParams) preference = ((xieTecEncodeServerChoice*)&raw[1])->preference; else preference = xieValPreferDefault; switch(preference) { #if (DEFAULT_PREFERENCE == xieValPreferSpace) case xieValPreferDefault: #endif case xieValPreferSpace: if(import) { switch(tecNum) { #if REFORMAT_UNCOMPRESSED case xieValDecodeUncompressedSingle: if(iped->outFlo.format[0].levels == 2) scPrep = COMPRESS_BITONAL; else scPrep = PrepSCCanonic; break; case xieValDecodeUncompressedTriple: scPrep = PrepSCCanonic; break; #else case xieValDecodeUncompressedSingle: case xieValDecodeUncompressedTriple: #endif case xieValDecodeG31D: case xieValDecodeG32D: case xieValDecodeG42D: case xieValDecodeJPEGBaseline: case xieValDecodeTIFF2: case xieValDecodeTIFFPackBits: smuggle = TRUE; /* smuggle import encoding "as is" */ scPrep = PrepSCSmuggle; break; default: return((xieBoolProc)NULL); } } else if(iped->outFlo.bands == 1 && iped->outFlo.format[0].levels == 2) { scPrep = COMPRESS_BITONAL; } else { scPrep = PrepSCCanonic; } break; #if (DEFAULT_PREFERENCE == xieValPreferTime) case xieValPreferDefault: #endif case xieValPreferTime: scPrep = PrepSCCanonic; /* keep uncompressed */ break; default: return((xieBoolProc)NULL); } /* grab a copy of the input attributes and propagate them to our output */ fmt = smuggle ? iped->inFloLst[SRCtag].format : iped->outFlo.format; bands = smuggle ? iped->inFloLst[SRCtag].bands : iped->outFlo.bands; for(b = 0; b < bands; ++b) { dst->format[b] = inf->format[b] = fmt[b]; } dst->bands = inf->bands = bands; pvt->serverChose = TRUE; return(scPrep); } /*------------------------------------------------------------------------ ---------------------- server choice prep routines ----------------------- ------------------------------------------------------------------------*/ static Bool PrepSCCanonic(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; pvt->encodeNumber = xieValEncodeServerChoice; pvt->encodeLen = 0; pvt->congress = TRUE; if(ped->inFloLst[SRCtag].bands == 1) { xieTecDecodeUncompressedSingle *dtec; if(!(dtec = ((xieTecDecodeUncompressedSingle *) XieMalloc(sizeof(xieTecDecodeUncompressedSingle))))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeUncompressedSingle; pvt->decodeParms = (pointer)dtec; pvt->decodeLen = sizeof(xieTecDecodeUncompressedSingle); #if (IMAGE_BYTE_ORDER == MSBFirst) /* Conform to server's "native" format */ dtec->fillOrder = xieValMSFirst; dtec->pixelOrder = xieValMSFirst; #else dtec->fillOrder = xieValLSFirst; dtec->pixelOrder = xieValLSFirst; #endif dtec->pixelStride = ped->outFlo.format[0].stride; dtec->leftPad = 0; dtec->scanlinePad = PITCH_MOD >> 3; } else { xieTecDecodeUncompressedTriple *dtec; int i; if(!(dtec = ((xieTecDecodeUncompressedTriple *) XieMalloc(sizeof(xieTecDecodeUncompressedTriple))))) AllocError(flo,ped, return(FALSE)); pvt->decodeNumber = xieValDecodeUncompressedTriple; pvt->decodeParms = (pointer)dtec; pvt->decodeLen = sizeof(xieTecDecodeUncompressedTriple); #if (IMAGE_BYTE_ORDER == MSBFirst) /* Conform to server's "native" format */ dtec->fillOrder = xieValMSFirst; dtec->pixelOrder = xieValMSFirst; #else dtec->fillOrder = xieValLSFirst; dtec->pixelOrder = xieValLSFirst; #endif dtec->bandOrder = xieValLSFirst; dtec->interleave = xieValBandByPlane; for(i = 0; i < 3; i++) { dtec->leftPad[i] = 0; dtec->pixelStride[i] = ped->outFlo.format[i].stride; dtec->scanlinePad[i] = PITCH_MOD >> 3; } } return(TRUE); } /* PrepSCCanonic */ static Bool PrepSCSmuggle(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; peDefPtr iped = ped->inFloLst[SRCtag].srcDef; pointer parms; pvt->encodeNumber = xieValEncodeServerChoice; pvt->encodeLen = 0; pvt->congress = TRUE; if(!(parms = GetImportTechnique(iped,&pvt->decodeNumber,&pvt->decodeLen)) || !(pvt->decodeParms = (pointer)XieMalloc(pvt->decodeLen))) return(FALSE); memcpy((char*)pvt->decodeParms, (char*)parms, (int)pvt->decodeLen); return(TRUE); } /* PrepECSmuggle */ static Bool PrepSCPackBits(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; formatPtr fmt = ped->outFlo.format; xieTecEncodeTIFFPackBits *tp; pvt->encodeNumber = xieValEncodeTIFFPackBits; pvt->encodeLen = sizeof(xieTecEncodeTIFFPackBits); if(!(tp = (xieTecEncodeTIFFPackBits*)XieMalloc(pvt->encodeLen))) return(FALSE); pvt->encodeParms = (pointer)tp; tp->encodedOrder = xieValMSFirst; fmt->interleaved = FALSE; fmt->class = STREAM; return(BuildDecodeFromEncode(flo,ped)); } /* PrepSCPackBits */ static Bool PrepSCG42D(floDefPtr flo, peDefPtr ped) { ePhotoDefPtr pvt = (ePhotoDefPtr)ped->elemPvt; formatPtr fmt = ped->outFlo.format; xieTecEncodeG42D *tp; pvt->encodeNumber = xieValEncodeG42D; pvt->encodeLen = sizeof(xieTecEncodeG42D); if(!(tp = (xieTecEncodeG42D*)XieMalloc(pvt->encodeLen))) return(FALSE); pvt->encodeParms = (pointer)tp; tp->encodedOrder = xieValMSFirst; tp->uncompressed = FALSE; tp->radiometric = FALSE; fmt->interleaved = FALSE; fmt->class = STREAM; return(BuildDecodeFromEncode(flo,ped)); } /* PrepSCG42D */ /* end module schoice.c */