/* $XConsortium: mpcfromi.c,v 1.5 94/04/17 20:35:13 rws Exp $ */ /**** module mpcfromi.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. 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. 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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. ***************************************************************************** mpcfromi.c -- DDXIE ConvertFromIndex element Robert NC Shelley -- AGE Logic, Inc. July, 1993 *****************************************************************************/ #define _XIEC_MPCFROMI #define _XIEC_PCFROMI /* * Include files */ #include /* * Core X Includes */ #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include #include #include /* * Server XIE Includes */ #include #include #include #include #include #include extern int QueryColors(); /* in ...server/dix/colormap.c */ /* routines referenced by other DDXIE modules */ int miAnalyzeCvtFromInd(); /* routines used internal to this module */ static int CreateCfromI(); static int InitCfromI(); static int DoSingleCfromI(); static int DoTripleCfromI(); static int ResetCfromI(); static int DestroyCfromI(); /* DDXIE ConvertFromIndex entry points */ static ddElemVecRec mpCfromIVec = { CreateCfromI, InitCfromI, (xieIntProc)NULL, (xieIntProc)NULL, ResetCfromI, DestroyCfromI }; /* Local Declarations. */ typedef struct _mpcfromi { pCfromIDefPtr dix; xieIntProc action; bandPtr iband; bandPtr oband; Pixel *pixLst; xrgb *rgbLst; CARD32 width; pointer ibuf; pointer obuf[xieValMaxBands]; } mpCfromIRec, *mpCfromIPtr; /* action routines */ #define CfromI_1bb CfromI_1BB #define CfromI_1bB CfromI_1BB #define CfromI_1bP CfromI_1BP #define CfromI_1Bb CfromI_1BB #define CfromI_1Pb CfromI_1PB #define CfromI_1Qb CfromI_1QB #define CfromI_3bb CfromI_3BB #define CfromI_3bB CfromI_3BB #define CfromI_3bP CfromI_3BP #define CfromI_3Bb CfromI_3BB #define CfromI_3Pb CfromI_3PB #define CfromI_3Qb CfromI_3QB static int CfromI_1BB(), CfromI_1BP(), CfromI_3BB(), CfromI_3BP(); static int CfromI_1PB(), CfromI_1PP(), CfromI_3PB(), CfromI_3PP(); static int CfromI_1QB(), CfromI_1QP(), CfromI_3QB(), CfromI_3QP(); static int (*action_CfromI[2][3][4])() = { CfromI_1bb, CfromI_1Bb, CfromI_1Pb, CfromI_1Qb, /* single, o=1, i=1..4 */ CfromI_1bB, CfromI_1BB, CfromI_1PB, CfromI_1QB, /* single, o=2, i=1..4 */ CfromI_1bP, CfromI_1BP, CfromI_1PP, CfromI_1QP, /* single, o=3, i=1..4 */ CfromI_3bb, CfromI_3Bb, CfromI_3Pb, CfromI_3Qb, /* triple, o=1, i=1..4 */ CfromI_3bB, CfromI_3BB, CfromI_3PB, CfromI_3QB, /* triple, o=2, i=1..4 */ CfromI_3bP, CfromI_3BP, CfromI_3PP, CfromI_3QP, /* triple, o=3, i=1..4 */ }; /*------------------------------------------------------------------------ ------------------- see if we can handle this element -------------------- ------------------------------------------------------------------------*/ int miAnalyzeCvtFromInd(flo,ped) floDefPtr flo; peDefPtr ped; { /* stash the entry point vector with the appropriate activate routine */ ped->ddVec = mpCfromIVec; return(TRUE); } /* end miAnalyzeCvtFromInd */ /*------------------------------------------------------------------------ ---------------------------- create peTex . . . -------------------------- ------------------------------------------------------------------------*/ static int CreateCfromI(flo,ped) floDefPtr flo; peDefPtr ped; { return(MakePETex(flo, ped, sizeof(mpCfromIRec), NO_SYNC, NO_SYNC)); } /* end CreateCfromI */ /*------------------------------------------------------------------------ ---------------------------- initialize peTex . . . ---------------------- ------------------------------------------------------------------------*/ static int InitCfromI(flo,ped) floDefPtr flo; peDefPtr ped; { xieFloConvertFromIndex *raw = (xieFloConvertFromIndex *)ped->elemRaw; peTexPtr pet = ped->peTex; formatPtr ift = &ped->inFloLst[SRCtag].format[0]; formatPtr oft = &ped->outFlo.format[0]; pCfromIDefPtr dix = (pCfromIDefPtr) ped->elemPvt; mpCfromIPtr ddx = (mpCfromIPtr)pet->private; CARD32 i, pseudo = !dix->pixMsk[0]; CARD32 cells, odx = ped->outFlo.bands == 1 ? 0 : 1; CARD8 oc = oft->class, ic = ift->class; Pixel *p; xrgb *rgb; /* set up action parameters */ ddx->dix = dix; ddx->width = oft->width; ddx->iband = &pet->receptor[SRCtag].band[0]; ddx->oband = &pet->emitter[0]; ddx->action = action_CfromI[odx][oc-1][ift->class-1]; if(!ddx->action) ImplementationError(flo,ped, return(FALSE)); ped->ddVec.activate = !odx ? DoSingleCfromI : DoTripleCfromI; if(ic == BIT_PIXEL && !(ddx->ibuf = (BytePixel*)XieMalloc(ddx->width+7))) AllocError(flo,ped, return(FALSE)); if(oc == BIT_PIXEL) if( odx && (!(ddx->obuf[0] = (BytePixel*)XieMalloc(ddx->width+7)) || !(ddx->obuf[1] = (BytePixel*)XieMalloc(ddx->width+7)) || !(ddx->obuf[2] = (BytePixel*)XieMalloc(ddx->width+7))) || !odx && !(ddx->obuf[0] = (BytePixel*)XieMalloc(ddx->width+7))) AllocError(flo,ped, return(FALSE)); /* snapshot the current contents of the colormap */ SetDepthFromLevels(dix->cells,i); cells = 1<pixLst = (Pixel*) XieMalloc(cells * sizeof(Pixel))) || !(ddx->rgbLst = (xrgb *) XieMalloc(cells * sizeof(xrgb)))) AllocError(flo,ped, return(FALSE)); for(p = ddx->pixLst, i = 0; i < cells; ++i) *p++ = pseudo ? i : (i << dix->pixPos[0] & dix->pixMsk[0] | i << dix->pixPos[1] & dix->pixMsk[1] | i << dix->pixPos[2] & dix->pixMsk[2]); if(QueryColors(dix->cmap,cells,ddx->pixLst,ddx->rgbLst)) ColormapError(flo,ped,raw->colormap, return(FALSE)); /* XXX hmmm? */ /* adjust the RGB values according to the client's precision requirements */ for(rgb = ddx->rgbLst, i = 0; i < cells; ++rgb, ++i) { rgb->red >>= dix->precShift; rgb->green >>= dix->precShift; rgb->blue >>= dix->precShift; } return(InitReceptors(flo, ped, NO_DATAMAP, 1) && InitEmitter(flo, ped, NO_DATAMAP, NO_INPLACE)); } /* end InitCfromI */ /*------------------------------------------------------------------------ ------------------------- crank some input data -------------------------- ------------------------------------------------------------------------*/ static int DoSingleCfromI(flo,ped,pet) /* one band out */ floDefPtr flo; peDefPtr ped; peTexPtr pet; { mpCfromIPtr ddx = (mpCfromIPtr) pet->private; bandPtr iband = ddx->iband; bandPtr oband = ddx->oband; CARD32 width = iband->format->width; pointer src, dst; if((src = GetCurrentSrc(flo,pet,iband)) && (dst = GetCurrentDst(flo,pet,oband))) do { if(ddx->ibuf) src = bitexpand(src,ddx->ibuf,width,(char)1,(char)0); (*ddx->action)(ddx, src, ddx->obuf[0] ? ddx->obuf[0] : dst); if(ddx->obuf[0]) bitshrink(ddx->obuf[0],dst,width,(char)1); src = GetNextSrc(flo,pet,iband,FLUSH); dst = GetNextDst(flo,pet,oband,FLUSH); } while(src && dst); FreeData(flo,pet,iband,iband->current); return(TRUE); } /* end DoSingleCfromI */ static int DoTripleCfromI(flo,ped,pet) /* three bands out */ floDefPtr flo; peDefPtr ped; peTexPtr pet; { mpCfromIPtr ddx = (mpCfromIPtr) pet->private; bandPtr iband = ddx->iband; bandPtr oband = ddx->oband; CARD32 width = iband->format->width; pointer src, dstR, dstG, dstB; src = GetCurrentSrc(flo,pet,iband); dstR = GetCurrentDst(flo,pet,oband); oband++; dstG = GetCurrentDst(flo,pet,oband); oband++; dstB = GetCurrentDst(flo,pet,oband); oband -=2; while(src && dstR && dstG && dstB) { if(ddx->ibuf) src = bitexpand(src,ddx->ibuf,width,(char)1,(char)0); (*ddx->action)(ddx, src, ddx->obuf[0] ? ddx->obuf[0] : dstR, ddx->obuf[1] ? ddx->obuf[1] : dstG, ddx->obuf[2] ? ddx->obuf[2] : dstB); if(ddx->obuf[0]) bitshrink(ddx->obuf[0],dstR,width,(char)1); if(ddx->obuf[1]) bitshrink(ddx->obuf[1],dstG,width,(char)1); if(ddx->obuf[2]) bitshrink(ddx->obuf[2],dstB,width,(char)1); src = GetNextSrc(flo,pet,iband,FLUSH); dstR = GetNextDst(flo,pet,oband,FLUSH); oband++; dstG = GetNextDst(flo,pet,oband,FLUSH); oband++; dstB = GetNextDst(flo,pet,oband,FLUSH); oband -=2; } FreeData(flo,pet,iband,iband->current); return(TRUE); } /* end DoTripleCfromI */ /*------------------------------------------------------------------------ ------------------------ get rid of run-time stuff ----------------------- ------------------------------------------------------------------------*/ static int ResetCfromI(flo,ped) floDefPtr flo; peDefPtr ped; { mpCfromIPtr ddx = (mpCfromIPtr) ped->peTex->private; if(ddx->pixLst ) ddx->pixLst = (Pixel*) XieFree(ddx->pixLst ); if(ddx->rgbLst ) ddx->rgbLst = (xrgb *) XieFree(ddx->rgbLst ); if(ddx->ibuf ) ddx->ibuf = (pointer ) XieFree(ddx->ibuf ); if(ddx->obuf[0]) ddx->obuf[0] = (pointer ) XieFree(ddx->obuf[0]); if(ddx->obuf[1]) ddx->obuf[1] = (pointer ) XieFree(ddx->obuf[1]); if(ddx->obuf[2]) ddx->obuf[2] = (pointer ) XieFree(ddx->obuf[2]); ResetReceptors(ped); ResetEmitter(ped); return(TRUE); } /* end ResetCfromI */ /*------------------------------------------------------------------------ -------------------------- get rid of this element ----------------------- ------------------------------------------------------------------------*/ static int DestroyCfromI(flo,ped) floDefPtr flo; peDefPtr ped; { /* get rid of the peTex structure */ ped->peTex = (peTexPtr) XieFree(ped->peTex); /* zap this element's entry point vector */ ped->ddVec.create = (xieIntProc)NULL; ped->ddVec.initialize = (xieIntProc)NULL; ped->ddVec.activate = (xieIntProc)NULL; ped->ddVec.reset = (xieIntProc)NULL; ped->ddVec.destroy = (xieIntProc)NULL; return(TRUE); } /* end DestroyCfromI */ /* Single band output action routines: */ #define DO_SINGLE_CFROMI(fn_do,itype,otype) \ static int fn_do(ddx,SRC,DST) \ mpCfromIPtr ddx; pointer SRC; pointer DST; \ { \ itype *s = (itype *)SRC; \ otype *d = (otype *)DST; \ xrgb *x = ddx->rgbLst; \ int w = ddx->width; \ switch(ddx->dix->class) { \ case StaticGray: \ case GrayScale: \ case StaticColor: \ case PseudoColor: \ while(w--) *d++ = x[*s++].red; \ break; \ case TrueColor: \ case DirectColor: \ { int rm = ddx->dix->pixMsk[0], rs = ddx->dix->pixPos[0]; \ while(w--) *d++ = x[(*s++ & rm) >> rs].red; \ } \ } \ } /* bit versions - nyi */ /* CfromI_1bb,BitPixel, BitPixel */ /* CfromI_1bB,BitPixel, BytePixel */ /* CfromI_1bP,BitPixel, PairPixel */ /* CfromI_1Bb,BytePixel,BitPixel */ DO_SINGLE_CFROMI(CfromI_1BB,BytePixel,BytePixel) DO_SINGLE_CFROMI(CfromI_1BP,BytePixel,PairPixel) /* CfromI_1Pb,PairPixel,BitPixel */ DO_SINGLE_CFROMI(CfromI_1PB,PairPixel,BytePixel) DO_SINGLE_CFROMI(CfromI_1PP,PairPixel,PairPixel) /* CfromI_1Qb,QuadPixel,BitPixel */ DO_SINGLE_CFROMI(CfromI_1QB,QuadPixel,BytePixel) DO_SINGLE_CFROMI(CfromI_1QP,QuadPixel,PairPixel) /* Triple band output action routines: */ #define DO_TRIPLE_CFROMI(fn_do,itype,otype) \ static int fn_do(ddx,SRC,DSTR,DSTG,DSTB) \ mpCfromIPtr ddx; pointer SRC, DSTR, DSTG, DSTB; \ { \ itype *s = (itype *)SRC; \ otype *r = (otype *)DSTR; \ otype *g = (otype *)DSTG; \ otype *b = (otype *)DSTB; \ xrgb *x = ddx->rgbLst; \ int w = ddx->width; \ switch(ddx->dix->class) { \ case StaticGray: \ case GrayScale: \ while(w--) *r++ = *g++ = *b++ = x[*s++].red; \ break; \ case StaticColor: \ case PseudoColor: \ while(w--) { \ xrgb *p = x + *s++; \ *r++ = p->red; *g++ = p->green; *b++ = p->blue; \ } \ break; \ case TrueColor: \ case DirectColor: \ { int rm = ddx->dix->pixMsk[0], rs = ddx->dix->pixPos[0]; \ int gm = ddx->dix->pixMsk[1], gs = ddx->dix->pixPos[1]; \ int bm = ddx->dix->pixMsk[2], bs = ddx->dix->pixPos[2]; \ while(w--) { \ Pixel p = *s++; \ *r++ = x[(p & rm) >> rs].red; \ *g++ = x[(p & gm) >> gs].green; \ *b++ = x[(p & bm) >> bs].blue; \ } \ } \ } \ } /* bit versions - nyi */ /* CfromI_3bb,BitPixel, BitPixel */ /* CfromI_3bB,BitPixel, BytePixel */ /* CfromI_3bP,BitPixel, PairPixel */ /* CfromI_3Bb,BytePixel,BitPixel */ DO_TRIPLE_CFROMI(CfromI_3BB,BytePixel,BytePixel) DO_TRIPLE_CFROMI(CfromI_3BP,BytePixel,PairPixel) /* CfromI_3Pb,PairPixel,BitPixel */ DO_TRIPLE_CFROMI(CfromI_3PB,PairPixel,BytePixel) DO_TRIPLE_CFROMI(CfromI_3PP,PairPixel,PairPixel) /* CfromI_3Qb,QuadPixel,BitPixel */ DO_TRIPLE_CFROMI(CfromI_3QB,QuadPixel,BytePixel) DO_TRIPLE_CFROMI(CfromI_3QP,QuadPixel,PairPixel) /* end module mpcfromi.c */