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Megahits 5
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Megahits 5 (1994)(GTI - Rhein-Main-Soft)(DE)(Disc 2 of 2)[!].iso
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dvi2pcl.lha
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skippages.c
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C/C++ Source or Header
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1992-11-25
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3KB
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111 lines
/* $Log: skippages.c,v $
* Revision 0.8 92/11/23 19:47:00 19:47:00 bt (Bo Thide')
* Fixed resolution bug. Portable downloading. Added/changed options. PJXL color support
*
* Revision 0.7 92/11/13 02:41:44 02:41:44 bt (Bo Thide')
* More bug fixes and improvements. Support for PaintJet XL
*
* Revision 0.6 92/11/10 21:48:41 21:48:41 bt (Bo Thide')
* Bug fixes. Added -R option. Better font handling.
*
* Revision 0.5 92/11/09 16:25:48 16:25:48 bt (Bo Thide')
* Rewrite of dospecial.c. Extended \special support
*
* Revision 0.4 92/11/08 02:46:04 02:46:04 bt (Bo Thide')
* Changed to portable bit manipulations. Replaced strrstr for non-POSIX compliant C. Fixed numerous bugs. Added support for more \special's.
*
* Revision 0.3 92/08/24 12:45:54 12:45:54 bt (Bo Thide')
* Fixed 8 bit (dc font) support.
*
* Revision 0.2 92/08/23 17:29:01 17:29:01 bt (Bo Thide')
* Source cleaned up. Changed certain function calls. Removed globals.
*
* Revision 0.1 92/08/22 23:58:48 23:58:48 bt (Bo Thide')
* First Release.
* */
/*
* This routine is used to pass over pages that are not being translated. It
* is assumed to begin just after the preamble has been read, or just after a
* DVI_BOP has been processed. It continues until either finding a DVI_BOP that
* matches the desired starting page specification, or until running into the
* postamble.
*/
#include <stdio.h>
#include "dvi.h"
#include "globals.h"
#include "macros.h"
static char rcsid[] = "$Header: skippages.c,v 0.8 92/11/23 19:47:00 bt Exp $";
long skippages(bitfile, dvifile, pcllevel, resolution)
FILE *bitfile;
FILE *dvifile;
short pcllevel;
short resolution;
{
int i, k, q;
bool badchar;
bool match;
long p;
long hh=0L; /* Pixel analog of DVI unit h */
long vv=0L; /* Pixel analog of DVI unit v */
long startloc=0;
while (TRUE) {
if((k = (int)getubyte(dvifile)) >= DVI_SET1) {
p = firstpar(dvifile, k);
switch(k) {
case DVI_BOP:
scanbop(dvifile);
match = TRUE;
for(i = 0 ; i <= startvals ; i++)
if(startthere[i] && (startcount[i] != count[i]))
match = FALSE;
if(match) {
startloc = lastpage - 1;
goto end;
}
break;
case DVI_SET_RULE:
case DVI_PUT_RULE:
getsquad(dvifile);
break;
case DVI_FNT_DEF1:
case DVI_FNT_DEF2:
case DVI_FNT_DEF3:
case DVI_FNT_DEF4:
definefont(dvifile, p);
break;
case DVI_XXX1:
case DVI_XXX2:
case DVI_XXX3:
case DVI_XXX4:
badchar = FALSE;
if(p + nextnamesfree - names > NAMESIZE)
prerror("Out of string space during special\n");
for (k=0; k<(int)p; k++) {
q = (int)getubyte(dvifile);
if((q < ' ') || (q > '~'))
badchar = TRUE;
*(nextnamesfree + k) = q;
}
*(nextnamesfree + p) = 0;
if(badchar)
fprintf(stderr,"Non-ASCII character in DVI_XX command\n");
dospecial(bitfile, PRESCAN_ON, pcllevel, hh, vv, resolution);
break;
case DVI_POST:
inpostamble = TRUE;
goto end;
break;
default:
break;
}
}
}
end:
return(startloc);
}