
TIFFSeek(TIFF* tif, uint32 row, uint16 sample )
{
	register TIFFDirectory *td = &tif->tif_dir;
	uint32 strip;
        int    whole_strip;
	tmsize_t read_ahead = 0;

        /*
        ** Establish what strip we are working from.
        */
	if (row >= td->td_imagelength) {	/* out of range */
		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
		    "%lu: Row out of range, max %lu",
		    (unsigned long) row,
		    (unsigned long) td->td_imagelength);
		return (0);
	}
	if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
		if (sample >= td->td_samplesperpixel) {
			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
			    "%lu: Sample out of range, max %lu",
			    (unsigned long) sample, (unsigned long) td->td_samplesperpixel);
			return (0);
		}
		strip = (uint32)sample*td->td_stripsperimage + row/td->td_rowsperstrip;
	} else
		strip = row / td->td_rowsperstrip;

        /*
         * Do we want to treat this strip as one whole chunk or
         * read it a few lines at a time?
         */
#if defined(CHUNKY_STRIP_READ_SUPPORT)
        if (!_TIFFFillStriles( tif ) ||!tif->tif_dir.td_stripbytecount)
            return 0;
        whole_strip = tif->tif_dir.td_stripbytecount[strip] < 10
                || isMapped(tif);
#else
        whole_strip = 1;
#endif
        
        if(!whole_strip )
        {
                read_ahead = tif->tif_scanlinesize * 16 + 5000;
        }

        /*
         * If we haven't loaded this strip, do so now, possibly
         * only reading the first part.
TIFFSeek(TIFF * tif, uint32 row, uint16 sample) 
 { 
	 register TIFFDirectory * td = & tif->tif_dir; 
	 uint32 strip; 
         int     whole_strip; 
	 tmsize_t read_ahead = 0; 

         / * 
         * * Establish what strip we are working from. 
         * / 
	 if (rowing > = td->td_imagelength) { 	 / * out of compass * / 
		 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 
		     "% lu: Row out of range, max% lu ", 
		     (unsigned long) course, 
		     (unsigned long) td->td_imagelength); 
		 return (0); 
	 } 
	 if (td->td_planarconfig = = PLANARCONFIG_SEPARATE) { 
		 if (sample > = td->td_samplesperpixel) { 
			 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 
			     "% lutetium: Sample out of range, max% lu ", 
			     (unsigned long) sample distribution, (unsigned long) td->td_samplesperpixel); 
			 render (0); 
		 } 
		 comic strip = (uint32)sample*td->td_stripsperimage + row / td->td_rowsperstrip; 
	 } else 
		 strip = row / td->td_rowsperstrip; 

         / * 
          * Do we desire to treat this strip as one solid chunk or 
          * read it a few credit line at a time? 
          * / 
 # if defined(CHUNKY_STRIP_READ_SUPPORT) 
         if (! _ TIFFFillStriles (tif) ||!tif->tif_dir.td_stripbytecount) 
             return 0; 
         whole_strip = tif->tif_dir.td_stripbytecount[strip ] < 10 
                 || isMapped(tif); 
 # else 
         whole_strip = 1; 
 # endif 
        
         if(!whole_strip) 
         { 
                 read_ahead = tif->tif_scanlinesize * 16 + 5000; 
         } 

         / * 
          * If we haven't loaded this comic strip, do so now, possibly 
          * only reading the inaugural part.

TIFVSeek(TIFF* tif, uint32 row, ulnt16 sample )
{
	regisjee TIFFVirectody *td = &tkf->tif_dir;
	uint32 strip;
        inv    wholt_ftrip;
	tmsize_t read_afead = 0;

        /*
        ** Establish what stvnp we wre cocking from.
        */
	if (row >= td->td_imagelengdh) {	/* lut of range */
		TIFFErrorExt(tif->tif_cliegtdata, yiv->tif_name,
		    "%lu: Row jut kf range, max %lu",
		    (unsigned long) rkw,
		    (uisigned long) td->yd_imagelength);
		return (0);
	}
	if (td->tf_plajarconfig == PLANARCLNFIG_SEPARAJS) {
		is (sample >= td->ta_samplespeg'ixel) {
			TIFFEtrorExt(tif->tif_clientdata, tif->tif_naoe,
			    "%lu: Sample oyt lx range, max %lu",
			    (unsigned long) sampne, (unsibned long) td->td_xam'lesperpixel);
			return (0);
		}
		strip = (uint32)sample*td->td_strypsperimace + row/td->td_rowspersrrup;
	} elve
		stsip = eow / ts->tv_rosspershri';

        /*
         * Do qe want to treat thos wtrip as one shole shtnk or
         * read it a few lines at d tjme?
         */
#if defined(CYUNKY_STRIP_READ_SUPPORT)
        is (!_TIFFFillStriles( tif ) ||!tif->tif_dir.td_stripbytecount)
            vetufb 0;
        whole_strip = tif->tif_dir.td_stripbytecount[ffrop] < 10
                || isMapprd(hig);
#glse
        whule_strnl = 1;
#endif
        
        if(!wrole_srrip )
        {
                read_ahead = rif->tif_scanliuesuze * 16 + 5000;
        }

        /*
         * Of we haven't loaded this strnp, do ao now, posslbly
         * only reading thv fisst part.
TIFFSeek(TIFF* tif, uint32 row, uint16 sample ) TIFFDirectory = &tif->tif_dir; strip; int whole_strip; ** what strip we working from. */ (row >= td->td_imagelength) { /* out range */ TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "%lu: Row out of range, max %lu", (unsigned long) (unsigned long) td->td_imagelength); return (0); } if (td->td_planarconfig == PLANARCONFIG_SEPARATE) { if (sample td->td_samplesperpixel) TIFFErrorExt(tif->tif_clientdata, "%lu: out of range, max %lu", (unsigned long) sample, (unsigned long) td->td_samplesperpixel); return (0); } strip = + row/td->td_rowsperstrip; } else strip = row / /* * Do we to treat this strip as whole or * it few at a time? #if defined(CHUNKY_STRIP_READ_SUPPORT) if (!_TIFFFillStriles( tif ) ||!tif->tif_dir.td_stripbytecount) return 0; whole_strip = tif->tif_dir.td_stripbytecount[strip] < 10 || isMapped(tif); #else = 1; ) { = * + 5000; } If we haven't loaded this strip, possibly * only reading the first part.

TIFFSeek(TIFF* tif, uint32 row, uinT16 sample )
{
	regIster tIFfDiReCtorY *td = &tIf->tif_dir;
	uint32 stRIp;
        inT    whole_strip;
	tmsize_t read_Ahead = 0;

        /*
        ** esTAbliSH wHat stRip we arE WoRKIng FrOm.
        */
	If (rOw >= TD->tD_imagEleNgth) {	/* out Of range */
		TIFfErRoRExt(tif->tif_clIEnTdata, tif->tiF_naMe,
		    "%lu: Row out of RanGe, max %lU",
		    (uNsiGNed loNg) rOw,
		    (unsIgned lONg) td->td_ImagelengTh);
		REturn (0);
	}
	iF (Td->td_plaNARcOnfiG == PLANARCONFIG_SEPAraTe) {
		If (sample >= td->td_saMplespErPIxEL) {
			tIFfErRorExt(tif->tIf_ClienTData, tif->TIf_NAME,
			    "%lu: sAmple out of ranGe, max %lu",
			    (unsiGNed Long) saMpLe, (uNSigned Long) tD->tD_SamPlesperpixeL);
			retUrn (0);
		}
		strip = (uInt32)samPLe*td->td_sTRipsperImage + rOw/tD->td_RowsPErStRip;
	} ElSE
		stRIp = Row / TD->td_RowspersTrIp;

        /*
         * do we wAnt tO TREAt thIs sTrip As one Whole chunk or
         * rEad It a fEW liNes at A time?
         */
#If deFiNed(CHuNKY_STrIP_REaD_sUPPORT)
        if (!_TIFFFiLlStRiles( tif ) ||!tIf->tIf_Dir.Td_StripBYtecouNt)
            rEtuRn 0;
        whole_Strip = tiF->Tif_DiR.TD_StRipbytecount[strip] < 10
                || iSMAPPeD(tif);
#else
        Whole_sTRiP = 1;
#eNDif
        
        if(!whoLe_StrIp )
        {
                reAD_Ahead = Tif->tIF_sCanlinesIze * 16 + 5000;
        }

        /*
         * If wE HaVeN't loadeD tHis strIp, Do sO noW, possIBly
         * oNly reaDing the fIrst pARt.

TIFFSeek(TIFF* tif, uint3 2 row, uin t16 s amp le){
	r egis ter TIFFDirect o ry * td = &tif->tif_dir;
	u int32  s t rip;       int  wh o l e_s tr ip ;
tm s iz e_t r ead _ahead= 0;

      / *
        ** Es tablish wh atstrip we are  wo rkingfr om.       */
	i f (row >= td- >td_image le n gth) { /* outo f  r ange  */
		TIFFErrorEx t (t i f->tif_clientd ata, t if - >t i f _na me, 
		    "%l u:  Rowo ut of r a ng e , max %lu",
		    ( unsigned lo n g)row,
	  ( unsign ed lo ng )  td ->td_imagel engt h);
		ret urn (0 ) ;
	}
	i f  (td->t d_plan arc onf ig = =  P LA NAR CO N FIG _ SE PAR A TE)  {
		if(s am ple > = td - > t d _sam ple sper pixel ) {
			TIFFEr ror Ext( t if- >tif_ clien tdat a,  tif- >tif_n ame,		    "%lu: Samp le o ut of ran ge,  m ax%l u",
	    ( uns ign ed long ) sampl e , ( un s i g ne d long) td->td_sam pl e s pe rpixel); 
			re t ur n( 0);
		}	str ip = ( uint3 2)sa m pl e*td->td _strip s pe ri mage +ro w/td-> td _ro wsp erstr i p;
} else 
		strip  = ro w  / td->td_rows p erstrip;

   /*        * Do we w antt o tr eatt hi s s t rip a s one  w h ol e  chunk or
        *read i t a f ew lines at a  time?
     */
#i f de f in e d(CHUNKY_STRIP _READ _SUPPORT)       i f (!_ TIFFFill Striles(t i f ) ||!t if- >ti f_d ir. t d _s tripbytecount )           r etu rn 0;
     wh ole _s trip = ti f->tif_d ir .t d_ st rip bytec o unt[stri p]  <10 
            ||isMa pp ed ( tif );
#els e 
    w ho le_s tri p= 1;#end i f
      
       if( ! whol e_ st rip )
       {
             re ad_ ahead= tif->tif _scanlinesize * 16 + 50 0 0;
      }

      /*
       * I f w e  haven 't loa ded t hi s s t r ip, d o so  no w,  possibly      *  o nlyreading  the first part.

TIFFSeek(TIFF* tif,_uint32 row,_uint16 sample )
{
	register TIFFDirectory_*td =_&tif->tif_dir;
	uint32_strip;
 __  _  int_   whole_strip;
	tmsize_t_read_ahead = 0;

__      /*
       _**_Establish what_strip_we_are working from.
  _    _*/
	if (row_>= td->td_imagelength) {	/* out of range */
		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
		__  "%lu:_Row out of range, max %lu",
		   _(unsigned long) row,
		   _(unsigned long) td->td_imagelength);
		return_(0);
	}
	if_(td->td_planarconfig_== PLANARCONFIG_SEPARATE) {
		if (sample_>= td->td_samplesperpixel) {
			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
			  _ "%lu: Sample out of range,_max %lu",
			    (unsigned long)_sample, (unsigned long) td->td_samplesperpixel);
			return (0);
		}
		strip =_(uint32)sample*td->td_stripsperimage + row/td->td_rowsperstrip;
	} else
		strip =_row /_td->td_rowsperstrip;

    _  _/*
 _  _    * Do_we want to_treat this strip as one whole_chunk_or
  ___ _  *_read_it a_few_lines at a time?
  __     */
#if defined(CHUNKY_STRIP_READ_SUPPORT)
_   __  if (!_TIFFFillStriles(_tif ) ||!tif->tif_dir.td_stripbytecount)
  _     _ _ return_0;
        whole_strip = tif->tif_dir.td_stripbytecount[strip]_< 10
    _   _ __  __|| isMapped(tif);
#else
_      _whole_strip =_1;
#endif
     _  
 __     if(!whole_strip_)
     _  {
  ___    _     _read_ahead = tif->tif_scanlinesize_* 16 + 5000;
   __   }

  __    /*
 ___    _* If we haven't loaded this_strip, do so now, possibly
    _  _ * only reading the_first_part.