cudcv@warwick.UUCP (02/06/87)
<munch> Here's part 2 of my dvi->x2700 driver --------------------------- cut here --------------------------------- #!/bin/sh echo 'Start of DVI -> 2700 driver, part 02 of 02:' echo 'x - Makefile' sed 's/^X//' > Makefile << '/' X# The following file and directory specifications may need changing at X# your site: X# X# where are the bitmaps stored? XFONTAREA=/usr/lib/tex/fonts X# X# where is the software to be installed XBINAREA=/usr/local X# X# an Apollo-specific spool file XSPOOLFILE=/usr/spool/laserwriter/apollo X# X XOPTIM= -O XCFLAGS = -DFONTAREA=\"${FONTAREA}\" \ X -DSPOOLFILE=\"${SPOOLFILE}\" '-DDVI2PS="/usr/local/dvix27 -q"' \ X '-DPOSTF="/usr/local/lib/laserf -c"' \ X '-DTEXTF="/usr/local/lib/laserf"' \ X $(OPTIM) X Xall: dvix27 X Xdvix27: dvix27.o findfile.o X cc ${CFLAGS} -o dvix27 dvix27.o findfile.o X Xinstall: all X install -s -m 755 dvix27 ${BINAREA}/dvix27 X X# X# The following may be useful if you are trying to run this as a X# printcap filter X# X Xdvix27f: dvix27f.c X ${CC} -o dvix27f ${CFLAGS} dvix27f.c / echo 'x - README' sed 's/^X//' > README << '/' XThe use of this program may not be readily apparent. If your Xprinter's name is "laser", you would use a command sequence that Xlooked something like this: X X % tex myfile X % lpr -Plaser -d myfile.dvi X XIf you are using your own fonts, or want to restrict the range of printing, Xyou should use something like X X % tex myfile X % dvix27 -a '.:/usr/lib/tex/fonts' -f 1 -t 5 myfile > myfile.x27 X % lpr -Plaser -l myfile.x27 X X XInstallation comments: X====================== X XThe font area is assumed to be /usr/lib/tex/fonts. I do not believe that Xthat this filter supports the TEXFONTS environment path. The font area is Xarranged in a new fashion that will probably be showing up in other device Xdrivers as well. All the tfm files are contained in /usr/lib/tex/fonts. If Xa file named SUBDIR is present in /usr/lib/tex/fonts (or whatever directory Xname you select), then the name of the font is taken as the name of a Xsubdirectory in searching for the pxl file associated with the font. In Xother words, amr10.1500pxl will be found in X/usr/lib/tex/fonts/amr10/amr10.1500pxl. When the file named SUBDIR is not Xpresent, all pxl files are looked for in the directory itself, in other Xwords, /usr/lib/tex/fonts/amr10.1500pxl in the above example. X XThere are some constants in dvix27 which may need to be changed, TOP Xand LEFT define the (0,0) point on the page, measured in 1/300" from Xthe *bottom* and left edge (TOP = 3500 gives the top edge of the paper Xon A4). The margin setting command is for A4 paper (search for %cm). X XNote that the fonts which come ready made with TeX are not much good Xon the Xerox (they are too pale and weedy) - you should go back to the XMETAFONT input and re-create them. The 'qms' mode from waits.mf seems Xto be a good first approximation. Make up a METAFONT which includes Xthe waits base (insert 'input waits ;' before the 'dump' in inimf), Xand use lots of lines like X X mf \\mode=qms \; mag=magstep 0.5 \; input cmr10 X Xthen use gftopk on the GF files to produce PK files that dvix27 can Xread. X XI'm afraid there is no man page for this. X Xprintcap information X==================== X XWarwick use another program called dvix27f when the LaserWriter is Xused with the /etc/printcap file. dvix27f invokes dvix27 and laserf. Xlaserf is basically the standard lpf, but is *really* transparent when Xgiven the -c flag (well almost ...). It uses a file which it expects Xto find in /usr/local/lib/laser/setup to initialize the printer. XChange the definition of setup in laserf.c if you want to move this. XA sample setup file is in laser.setup, this will need changing for Xprinters with different built in fonts or different paper sizes. Both Xdvix27f.c and laserf.c are included here. Warwick's printcap entry Xfor the 2700 reads: X X# X# Laser Printer X# Xlaser|Laser Printer:\ X :lp=/dev/laser:br#9600:fs#06360:mx#0:ff=\Eo\f:tr=\f:\ X :of=/usr/local/lib/laserf:if=/usr/local/lib/laserf:\ X :df=/usr/lib/tex/dvix27f:\ X :af=/usr/adm/laseracct:\ X :rf=/usr/local/ansicc:sd=/usr/spool/lpd/laser:xs#20: X X XHistory and acknowledgements X============================ X XThe driver was converted by Neal Holtz of Carleton University from a XSun previewer originally written by Mark Senn and later modified by Xothers (see dvi2ps for specifics). Additional modifications and Xenhancements have been done by Scott Jones and Chris Lindblad at MIT. XConversion to Xerox 2700 and to read PK files was done by Rob McMahon Xat Warwick University (cudcv@uk.ac.warwick.daisy). X X(These notes added by Richard Furuta) / echo 'x - commands.h' sed 's/^X//' > commands.h << '/' X/* X * X * $Revision: 1.1 $ X * $Log: commands.h,v $ X * Revision 1.1 83/11/23 10:56:00 mds X * Initial revision X * X * X */ X#define SETC_000 0 X#define SETC_001 1 X#define SETC_002 2 X#define SETC_003 3 X#define SETC_004 4 X#define SETC_005 5 X#define SETC_006 6 X#define SETC_007 7 X#define SETC_008 8 X#define SETC_009 9 X#define SETC_010 10 X#define SETC_011 11 X#define SETC_012 12 X#define SETC_013 13 X#define SETC_014 14 X#define SETC_015 15 X#define SETC_016 16 X#define SETC_017 17 X#define SETC_018 18 X#define SETC_019 19 X#define SETC_020 20 X#define SETC_021 21 X#define SETC_022 22 X#define SETC_023 23 X#define SETC_024 24 X#define SETC_025 25 X#define SETC_026 26 X#define SETC_027 27 X#define SETC_028 28 X#define SETC_029 29 X#define SETC_030 30 X#define SETC_031 31 X#define SETC_032 32 X#define SETC_033 33 X#define SETC_034 34 X#define SETC_035 35 X#define SETC_036 36 X#define SETC_037 37 X#define SETC_038 38 X#define SETC_039 39 X#define SETC_040 40 X#define SETC_041 41 X#define SETC_042 42 X#define SETC_043 43 X#define SETC_044 44 X#define SETC_045 45 X#define SETC_046 46 X#define SETC_047 47 X#define SETC_048 48 X#define SETC_049 49 X#define SETC_050 50 X#define SETC_051 51 X#define SETC_052 52 X#define SETC_053 53 X#define SETC_054 54 X#define SETC_055 55 X#define SETC_056 56 X#define SETC_057 57 X#define SETC_058 58 X#define SETC_059 59 X#define SETC_060 60 X#define SETC_061 61 X#define SETC_062 62 X#define SETC_063 63 X#define SETC_064 64 X#define SETC_065 65 X#define SETC_066 66 X#define SETC_067 67 X#define SETC_068 68 X#define SETC_069 69 X#define SETC_070 70 X#define SETC_071 71 X#define SETC_072 72 X#define SETC_073 73 X#define SETC_074 74 X#define SETC_075 75 X#define SETC_076 76 X#define SETC_077 77 X#define SETC_078 78 X#define SETC_079 79 X#define SETC_080 80 X#define SETC_081 81 X#define SETC_082 82 X#define SETC_083 83 X#define SETC_084 84 X#define SETC_085 85 X#define SETC_086 86 X#define SETC_087 87 X#define SETC_088 88 X#define SETC_089 89 X#define SETC_090 90 X#define SETC_091 91 X#define SETC_092 92 X#define SETC_093 93 X#define SETC_094 94 X#define SETC_095 95 X#define SETC_096 96 X#define SETC_097 97 X#define SETC_098 98 X#define SETC_099 99 X#define SETC_100 100 X#define SETC_101 101 X#define SETC_102 102 X#define SETC_103 103 X#define SETC_104 104 X#define SETC_105 105 X#define SETC_106 106 X#define SETC_107 107 X#define SETC_108 108 X#define SETC_109 109 X#define SETC_110 110 X#define SETC_111 111 X#define SETC_112 112 X#define SETC_113 113 X#define SETC_114 114 X#define SETC_115 115 X#define SETC_116 116 X#define SETC_117 117 X#define SETC_118 118 X#define SETC_119 119 X#define SETC_120 120 X#define SETC_121 121 X#define SETC_122 122 X#define SETC_123 123 X#define SETC_124 124 X#define SETC_125 125 X#define SETC_126 126 X#define SETC_127 127 X#define SET1 128 X#define SET2 129 X#define SET3 130 X#define SET4 131 X#define SET_RULE 132 X#define PUT1 133 X#define PUT2 134 X#define PUT3 135 X#define PUT4 136 X#define PUT_RULE 137 X#define NOP 138 X#define BOP 139 X#define EOP 140 X#define PUSH 141 X#define POP 142 X#define RIGHT1 143 X#define RIGHT2 144 X#define RIGHT3 145 X#define RIGHT4 146 X#define W0 147 X#define W1 148 X#define W2 149 X#define W3 150 X#define W4 151 X#define X0 152 X#define X1 153 X#define X2 154 X#define X3 155 X#define X4 156 X#define DOWN1 157 X#define DOWN2 158 X#define DOWN3 159 X#define DOWN4 160 X#define Y0 161 X#define Y1 162 X#define Y2 163 X#define Y3 164 X#define Y4 165 X#define Z0 166 X#define Z1 167 X#define Z2 168 X#define Z3 169 X#define Z4 170 X#define FONT_00 171 X#define FONT_01 172 X#define FONT_02 173 X#define FONT_03 174 X#define FONT_04 175 X#define FONT_05 176 X#define FONT_06 177 X#define FONT_07 178 X#define FONT_08 179 X#define FONT_09 180 X#define FONT_10 181 X#define FONT_11 182 X#define FONT_12 183 X#define FONT_13 184 X#define FONT_14 185 X#define FONT_15 186 X#define FONT_16 187 X#define FONT_17 188 X#define FONT_18 189 X#define FONT_19 190 X#define FONT_20 191 X#define FONT_21 192 X#define FONT_22 193 X#define FONT_23 194 X#define FONT_24 195 X#define FONT_25 196 X#define FONT_26 197 X#define FONT_27 198 X#define FONT_28 199 X#define FONT_29 200 X#define FONT_30 201 X#define FONT_31 202 X#define FONT_32 203 X#define FONT_33 204 X#define FONT_34 205 X#define FONT_35 206 X#define FONT_36 207 X#define FONT_37 208 X#define FONT_38 209 X#define FONT_39 210 X#define FONT_40 211 X#define FONT_41 212 X#define FONT_42 213 X#define FONT_43 214 X#define FONT_44 215 X#define FONT_45 216 X#define FONT_46 217 X#define FONT_47 218 X#define FONT_48 219 X#define FONT_49 220 X#define FONT_50 221 X#define FONT_51 222 X#define FONT_52 223 X#define FONT_53 224 X#define FONT_54 225 X#define FONT_55 226 X#define FONT_56 227 X#define FONT_57 228 X#define FONT_58 229 X#define FONT_59 230 X#define FONT_60 231 X#define FONT_61 232 X#define FONT_62 233 X#define FONT_63 234 X#define FNT1 235 X#define FNT2 236 X#define FNT3 237 X#define FNT4 238 X#define XXX1 239 X#define XXX2 240 X#define XXX3 241 X#define XXX4 242 X#define FNT_DEF1 243 X#define FNT_DEF2 244 X#define FNT_DEF3 245 X#define FNT_DEF4 246 X#define PRE 247 X#define POST 248 X#define POST_POST 249 / echo 'x - dvix27f.c' sed 's/^X//' > dvix27f.c << '/' X/* X * dvipsf.c - output filter for postscript to printer X * uses these other programs: X * /usr/lib/postf (the lpr filter for postscript to laserwriter) X * /usr/local/bin/dvi2ps (dvi to postscript translator) X * /usr/lib/tex.ps (the postscript prologue to support TeX) X * X * Copyright 1985 Massachusetts Institute of Technology X * Author: CJL@OZ X * X */ X X/* #define DEBUGGING */ X X#include <stdio.h> X#include <signal.h> X#include <sys/ioctl.h> X#include <fcntl.h> X X#define PROLOGUE "/usr/lib/tex.ps" X#ifndef DVI2PS X#define DVI2PS "/usr/local/bin/dvi2ps -q" X#endif X#define CAT "/bin/cat" X#ifndef POSTF X#define POSTF "/usr/lib/applef" X#endif X#ifndef TEXTF X#define TEXTF "/usr/lib/applef" X#endif X XFILE *popen(); Xchar *user,*host; X Xmain(argc, argv) X int argc; X char *argv[]; X{ X char tfn[BUFSIZ],cmdbuf[BUFSIZ],efn[BUFSIZ]; X register int ch; X register FILE *tf; X int olderrfd,i; X char *rindex(); X FILE *ef,*of; X X if (rindex(argv[0],'/')) argv[0] = rindex(argv[0],'/')+1; X for (i = 1; i < argc; i++) { X if (argv[i][0] == '-') switch (argv[i][1]) { X case 'h': X host = argv[++i]; X break; X X case 'n': X user = argv[++i]; X break; X X default: X break; X } X } X /* Copy the dvi data to a temp file, since we have to give it by name X * to dvi2ps. X */ X if ((tf = fopen(mktemp(strcpy(tfn,"/usr/tmp/dvipsf.XXXXXX")),"w")) X == NULL) { X perror(tfn); X exit(2); X } X while (!ferror(stdin) && (ch = getchar()) != EOF) putc(ch,tf); X fclose(tf); X if (ferror(stdin)) { X perror("dvipsf stdin"); X unlink(tfn); X exit(2); X } X X /* Now divert standard error to a temp file so we can print it later. */ X if ((ef = fopen(mktemp(strcpy(efn,"/usr/tmp/dvipsf.err.XXXXXX")),"w+")) X == NULL) { X perror(efn); X unlink(tfn); X exit(2); X } X unlink(efn); X fflush(stderr); olderrfd = dup(2); close(2); X dup(fileno(ef)); X X /* Run the filters */ X if (user != NULL && host != NULL) X sprintf(cmdbuf,"%s %s | %s -n %s -h %s",DVI2PS,tfn,POSTF,user,host); X else X sprintf(cmdbuf,"%s %s | %s", DVI2PS, tfn, POSTF); X system(cmdbuf); X unlink(tfn); X X /* Now put back the old stderr */ X fflush(stderr); close(2); dup(olderrfd); close(olderrfd); X X /* And send all the messages to the printer */ X if (user != NULL && host != NULL) X sprintf(cmdbuf,"%s -w80 -l66 -n %s -h %s",TEXTF,user,host); X else X sprintf(cmdbuf,"%s -w80 -l66", TEXTF); X if ((of = popen(cmdbuf,"w")) == NULL) { X perror(TEXTF); X exit(2); X } X rewind(ef); X while (!ferror(ef) && (ch = getc(ef)) != EOF) if (ch != '\031') { X putc(ch,of); X#ifdef DEBUGGING X putc(ch,stderr); X#endif X } X fclose(ef); pclose(of); X if (ferror(ef)) { X perror(efn); X exit(2); X } X X exit(0); X} / echo 'x - findfile.c' sed 's/^X//' > findfile.c << '/' X/* findfile.c X * Copyright 1985 Massachusetts Institute of Technology X */ X X#include <stdio.h> X#include <sys/types.h> X#include <sys/dir.h> X#include "findfile.h" X Xint Xfindfileindir(area, name, mag, s, nname, nmag) X char *area,*name,*s,*nname; X int mag,*nmag; X{ X FILE *f; X char buf[BUFSIZ]; X int found = 0; X char *rindex(); X X sprintf(s,"%s/SUBDIR",area); X if (!access(s,0)) sprintf(s,"%s/%s/%s.%dpxl",area,name,name,mag); X else sprintf(s,"%s/%s.%dpxl",area,name,mag); X if (!access(s,4)) { X strcpy(nname,name); X *nmag = mag; X return(-1); X } X else { X /* look for the "pk" version */ X (void) sprintf(rindex(s, '.'), ".%dpk", (2*mag+5)/10); X if (!access(s, 4)) { X (void) strcpy(nname, name); X *nmag = mag; X return (1); X } X else { X sprintf(buf,"%s/NEEDED",area); X if (!access(buf,2)) { X sprintf(s,"%s.%dpxl\n",name,mag); X f = fopen(buf,"r+"); X while (fgets(buf,sizeof(buf),f)) if (!strcmp(buf,s)) found++; X if (!found) fputs(s,f); X fclose(f); X } X return(0); X } X } X X} X X X/* -1 for a pxl file, +1 for a pk file, otherwise 0; name in s */ Xint findfile(dirvec,dirveclen,area, name, mag, s, nname, nmag) X char *dirvec[],*area,*name,*s,*nname; X int dirveclen,mag,*nmag; X{ X int i,point; X char family[128]; X X strcpy(nname,name); X *nmag = mag; X point = -1; X (void) sscanf(name,"%[^0123456789.]%d",family,&point); X X /* First check dir area given in DVI file */ X if (*area && (i = findfileindir(area, name, mag, s, nname, nmag))) X return(i); X X /* Then check along dirvec */ X for (i = 0; i < dirveclen; i++) X if (i = findfileindir(dirvec[i], name, mag, s, nname, nmag)) X return(i); X X /* next check for closest magnification along dirvec */ X return(findanyfile(dirvec,dirveclen,family,point,mag,name,s,nname,nmag)); X} X Xint strdiff(s1,s2) X char *s1,*s2; X{ X register int diff = 0; X X while (*s1 && *s2) diff += abs(*s1++ - *s2++); X while (*s1) diff += *s1++; X while (*s2) diff += *s2++; X return(diff); X} X Xscanpdir(dir,name, X family,point,mag, X bestfamily,bestname,bestpoint,bestmag, X min_df,min_dp,min_dm) X char *dir,*name,*family,*bestfamily,*bestname; X int point,mag,*bestpoint,*bestmag,*min_df,*min_dp,*min_dm; X{ X DIR *dirstream; X struct direct *dirrecord; X char qfamily[128]; X char type[4]; X int qpoint,qmag,df,dp,dm; X X if (dirstream = opendir(dir)) { X while (dirrecord = readdir(dirstream)) { X if (!strcmp(dirrecord->d_name+dirrecord->d_namlen-3,"pxl") X || !strcmp(dirrecord->d_name+dirrecord->d_namlen-2,"pk")) { X qpoint = -1; qmag = -1; X (void) sscanf(dirrecord->d_name,"%[^0123456789.]%d.%d%3s", X qfamily,&qpoint,&qmag,type); X if (!strcmp(type, "pk")) X qmag *= 5; X df = strdiff(family,qfamily); X dp = abs(point - qpoint); X dm = abs(mag - qmag); X if ((df < *min_df) X || (df == *min_df && dp < *min_dp) X || (df == *min_df && dp == *min_dp && dm < *min_dm)) { X sprintf(bestname,"%s/%s",dir,dirrecord->d_name); X strcpy(bestfamily,qfamily); X *bestpoint = qpoint; X *bestmag = qmag; X *min_df = df; X *min_dp = dp; X *min_dm = dm; X } X } X } X closedir(dirstream); X } X} X Xscandir(dir,name, X family,point,mag, X bestfamily,bestname,bestpoint,bestmag, X min_df,min_dp,min_dm) X char *dir,*name,*family,*bestfamily,*bestname; X int point,mag,*bestpoint,*bestmag,*min_df,*min_dp,*min_dm; X{ X DIR *dirstream; X struct direct *dirrecord; X int df; X char pdir[MAXNAMLEN]; X X if (dirstream = opendir(dir)) { X while (dirrecord = readdir(dirstream)) { X if (dirrecord->d_name[0] != '.') { X df = strdiff(name,dirrecord->d_name); X if (df <= *min_df) { X sprintf(pdir,"%s/%s",dir,dirrecord->d_name); X scanpdir(pdir,name, X family,point,mag, X bestfamily,bestname,bestpoint,bestmag, X min_df,min_dp,min_dm); X } X } X } X closedir(dirstream); X } X} X X X/* finds the best match to the desired font */ Xint findanyfile(dirvec,dirveclen,family,point,mag,name,s,nname,nmag) X char *dirvec[],*family,*name,*s,*nname; X int dirveclen,point,mag,*nmag; X{ X char foo[MAXNAMLEN],bestname[MAXNAMLEN],bestfamily[128]; X int min_df,min_dp,min_dm,df,dp,dm,i,bestpoint,bestmag; X X bestname[0] = '\0'; X min_df = min_dp = min_dm = 9999999; X for (i = 0; i < dirveclen; i++) { X sprintf(foo,"%s/SUBDIR",dirvec[i]); X if (!access(foo,0)) scandir(dirvec[i],name, X family,point,mag, X bestfamily,bestname,&bestpoint,&bestmag, X &min_df,&min_dp,&min_dm); X else scanpdir(dirvec[i],name, X family,point,mag, X bestfamily,bestname,&bestpoint,&bestmag, X &min_df,&min_dp,&min_dm); X } X if (bestname[0]) { X if (bestpoint > 0) sprintf(nname,"%s%d",bestfamily,bestpoint); X else strcpy(nname,bestfamily); X *nmag = bestmag; X strcpy(s,bestname); X if ((strcmp(bestfamily,family) X || bestpoint != point || abs(bestmag - mag) > 2)) X fprintf(stderr, X "Substituted font %s at mag %d for %s at mag %d.\n", X nname,(bestmag * 4 + 3) / 6, X name,(mag * 4 + 3) / 6); X return strcmp(&bestname[strlen(bestname)-3], "pxl") ? (1) : (-1); X } X return(0); X} X / echo 'x - findfile.h' sed 's/^X//' > findfile.h << '/' X/* findfile.h X * Copyright 1985 Massachusetts Institute of Technology X */ X Xextern int findfile(); X/* int findfile(dirvec,dirveclen,area, name, mag, s, nname, nmag) X * char *dirvec[],*area,*name,*s,*nname; X * int dirveclen,mag,*nmag; X */ X / echo 'x - fontstr.h' sed 's/^X//' > fontstr.h << '/' X/****************************************************************************/ X/* */ X/* Structures defining the format of Xerox 2700 (EPS 1200) */ X/* laser printer font files. */ X/* */ X/* Note: these structures only match the format of the external */ X/* file when used on PDP-11s, VAXes, or other machines with the */ X/* same size data types and same byte ordering. */ X/* */ X/* The structures are based on investigative work done by the */ X/* author, and include help from sources at least one of whom */ X/* wishes to remain anonymous. This help is gratefully */ X/* acknowledged. */ X/* */ X/* Tim Clark Computer Unit University of Warwick June 1985 */ X/****************************************************************************/ X Xstruct xheader { /* The font header - 24 (16 bit) words */ X unsigned short magic; /* should be 0xaaaa */ X unsigned char rev; /* revision number - unused */ X unsigned char flags; /* font type flags */ X unsigned short lo_length; /* length of file in bytes lsb */ X char fname[20]; /* font name in ascii */ X unsigned char ulinedepth; /* posn of underline below base */ X unsigned char ulinesize; /* thickness of underline */ X unsigned char hi_length; /* length of file in bytes msb */ X unsigned char strike_through; /* unused ? */ X unsigned char superdist; /* superscript distance */ X unsigned char subdist; /* subscript distance */ X short descend; /* maximum descender */ X short ascend; /* maximum ascender */ X short fheight; /* font height - 1 */ X unsigned char lowchar; /* first defined character */ X unsigned char highchar; /* last defined character */ X char partno[5]; /* part number - unused */ X char nulls[3]; /* reserved - set to null */ X}; X Xstruct xchardesc { /* The "look up table" for each character. X Each is 4 (16 bit words). */ X X unsigned short nbyte; /* the length of the pattern in bytes */ X X unsigned short lo_loc; /* the lowest 16 bits of the location of */ X /* the pattern, expressed as a 24-bit */ X /* quantity, which is the offset into the */ X /* font file */ X X unsigned char hi_loc; /* the highest 8 bits of the pattern */ X /* location offset (0xff equivalent to 0) */ X X unsigned char blocking; /* if "blocking" is zero then there is no */ X /* pattern information. Otherwise the value */ X /* 63-blocking gives the number of bytes in */ X /* each row of the character pattern */ X X char orgy; /* in two's complement. How much the */ X /* character is above (or if -ve, below) */ X /* the baseline (portrait) or from the */ X /* typing position (landscape). Units are */ X /* DOUBLE rasters. */ X X unsigned char width; /* the amount to move the typing position */ X /* on after drawing this character, in */ X /* units of rasters. */ X }; X Xstruct def_str /* This structure is not found in the font file - X it is for convenience, holding information for X each character derived from the "look up table". */ X X { X int bytes_per_row; /* derived from xchardesc.blocking to give */ X /* the number of bytes needed for each row */ X /* of the pattern */ X X char *pattern; /* the start of the pattern */ X X long location; /* derived from hi_loc and lo_loc to give */ X /* the 24-bit index into the font file */ X }; X X/* Font type flags */ X#define PORTRAIT 0 /* 8 1/2 is width */ X#define LANDSCAPE 1 /* 8 1/2 is length */ X#define FIXED_SP 0 /* fixed pitch */ X#define PROP_SP 2 /* proportional spacing */ X#define SHORT_FONT 0 /* font fits into 0xffff bytes */ X#define LONG_FONT 4 /* font is more than 0xffff bytes */ X X/****************************************************************************/ X/* */ X/* The overall structure of the font is then as follows:- */ X/* */ X/* A 24 (16 bit)word header of struct xheader */ X/* */ X/* A 256 byte "qualification table?" */ X/* */ X/* A number of "loook up tables" of struct xchardesc. The number */ X/* is xheader.highchar + 1. */ X/* */ X/* The character patterns. */ X/* */ X/****************************************************************************/ X X X/****************************************************************************/ X/* */ X/* vfont format. Taken from vfont(5) */ X/* */ X/****************************************************************************/ X Xstruct vfontheader { X short magic; X unsigned short size; X short maxx; X short maxy; X short xtnd; X }; X Xstruct dispatch { X unsigned short addr; X short nbytes; X char up; X char down; X char left; X char right; X short width; X }; / echo 'x - laser.setup' sed 's/^X//' > laser.setup << '/' X\E+X X\E+1XCP12.5iso-L X\E+2Titan12iso-P X\Ezl0\E2\Em700,15,20,67,495 / echo 'x - laserf.c' sed 's/^X//' > laserf.c << '/' X#ifndef lint Xstatic char sccsid[] = "@(#)lpf.c 4.12 (Berkeley) 7/16/83"; X#endif X X/* X * filter which reads the output of nroff and converts lines X * with ^H's to overwritten lines. Thus this works like 'ul' X * but is much better: it can handle more than 2 overwrites X * and it is written with some style. X * modified by kls to use register references instead of arrays X * to try to gain a little speed. X * X * as a filter for the qume, literal really means it X */ X X#include <stdio.h> X#include <signal.h> X#include <sys/types.h> X#include <sys/file.h> X#include <sys/stat.h> X X#define MAXWIDTH 132 X#define MAXREP 10 X X#define setup "/usr/local/lib/laser/setup" /* file on setup commands */ X#define RESET "\033+X\r\n" /* laser reset command */ X#define OFFSET "\033o" /* offset output */ X/* nroff doesn't let you use all eight bits, so ... */ X#define SO '\016' /* note to | 0200 into next */ Xint soflag = 0; /* we've got to | 0200 next character */ Xint nbs = 0; /* no. of backspaces for literal mode */ X Xchar buf[MAXREP][MAXWIDTH]; Xint maxcol[MAXREP] = {-1}; Xint lineno; Xint width = 132; /* default line length */ Xint length = 66; /* page length */ Xint indent; /* indentation length */ Xint npages = 1; Xint literal; /* print control characters */ Xchar *name; /* user's login name */ Xchar *host; /* user's machine name */ Xchar *acctfile; /* accounting information file */ X Xstruct stat stbuf; /* to find other execute bit for offsetting */ X Xmain(argc, argv) X int argc; X char *argv[]; X{ X register FILE *p = stdin, *o = stdout; X register int i, col; X register char *cp; X int done, linedone, maxrep; X char ch, *limit; X X while (--argc) { X if (*(cp = *++argv) == '-') { X switch (cp[1]) { X case 'n': X argc--; X name = *++argv; X break; X X case 'h': X argc--; X host = *++argv; X break; X X case 'w': X if ((i = atoi(&cp[2])) > 0 && i <= MAXWIDTH) X width = i; X break; X X case 'l': X length = atoi(&cp[2]); X break; X X case 'i': X indent = atoi(&cp[2]); X break; X X case 'c': /* Print control chars */ X literal++; X break; X } X } else X acctfile = cp; X } X X /* X * setup printer X */ X if (name && (i = open(setup, O_RDONLY)) >= 0) { X while ((col = read(i, buf, MAXREP)) > 0) X fwrite(buf, col, 1, o); X (void) close (i); X } else { X fprintf(o, "%s", RESET); X } X X for (cp = buf[0], limit = buf[MAXREP]; cp < limit; *cp++ = ' '); X done = 0; X X if (!literal) while (!done) { X col = indent; X maxrep = -1; X linedone = 0; X while (!linedone) { X switch (ch = getc(p)) { X case EOF: X linedone = done = 1; X ch = '\n'; X break; X X case '\f': X lineno = length; X case '\n': X if (maxrep < 0) X maxrep = 0; X linedone = 1; X break; X X case '\b': X if (--col < indent) X col = indent; X break; X X case '\r': X col = indent; X break; X X case '\t': X col = ((col - indent) | 07) + indent + 1; X break; X X case '\031': X /* X * lpd needs to use a different filter to X * print data so stop what we are doing and X * wait for lpd to restart us. X */ X if ((ch = getchar()) == '\1') { X fflush(stdout); X kill(getpid(), SIGSTOP); X break; X } else { X ungetc(ch, stdin); X ch = '\031'; X } X X default: X if (col >= width || !literal && ch < ' ' && X ch != '\033') { X col++; X break; X } X cp = &buf[0][col]; X for (i = 0; i < MAXREP; i++) { X if (i > maxrep) X maxrep = i; X if (*cp == ' ') { X *cp = ch; X if (col > maxcol[i]) X maxcol[i] = col; X break; X } X cp += MAXWIDTH; X } X col++; X break; X } X } X X /* print out lines */ X for (i = 0; i <= maxrep; i++) { X for (cp = buf[i], limit = cp+maxcol[i]; cp <= limit;) { X putc(*cp, o); X *cp++ = ' '; X } X if (i < maxrep) X putc('\r', o); X else X putc(ch, o); X if (++lineno >= length) { X npages++; X lineno = 0; X } X maxcol[i] = -1; X } X } else while (!done) { /* really literal */ X ch = getc(p); X if (soflag) { X ch |= 0200; X soflag = 0; X } X X switch (ch) { X case EOF: X done = 1; X break; X X X case '\f': X lineno = length; X case '\n': X nbs = 0; X if (++lineno >= length) { X npages++; X lineno = 0; X } X X default: X if (nbs) { X fprintf(o, "\033rl%d ", nbs*25); X nbs = 0; X } X putc(ch, o); X break; X X case '\b': X nbs++; X break; X X case SO: X soflag++; X break; X X } X } X X if (!lineno) { /* charged a sheet just for moving to tof */ X npages--; X } X /* X * reset terminal X */ X fprintf(o, RESET); X /* X * offset output according to other execute bit on printer X * X if (!fstat(fileno(o), &stbuf)) { X if (stbuf.st_mode & 01) X fprintf(o, OFFSET); X stbuf.st_mode ^= 01; X fchmod(fileno(o), stbuf.st_mode); X } X */ X X if (name && acctfile && access(acctfile, 02) >= 0 && X freopen(acctfile, "a", stdout) != NULL) { X printf("%7.2f\t%s:%s\n", (float)npages, host, name); X } X exit(0); X} / echo 'Part 02 of DVI -> 2700 driver complete.' exit -- UUCP: ...!mcvax!ukc!warwick!cudcv PHONE: +44 203 523037 JANET: cudcv@uk.ac.warwick.daisy ARPA: cudcv@daisy.warwick.ac.uk Rob McMahon, Computing Services, Warwick University, Coventry CV4 7AL, England
cudcv@warwick.UUCP (02/06/87)
<munch> Here is a dvi to Xerox 2700 driver in C. It runs under Unix on an assortment of machines (VAX, Gould, Sun under 2.0 & 3.0). It reads PK files, as well as PXL files, so might be of interest even to people with 2700's. It is based (heavily) on the dvi2ps that comes with Unix TeX. It works hard to do the best it can with the 2700's limited memory, it assembles fonts on the fly, sending only the characters it needs. It tries to load down the fonts for the whole document at once, but if it looks like it's running out of memory it will back off, print as much as it can, and try again. It's been running a few weeks here and, whilst I expect there are still bugs left, it seems to have stabilised (if Christer Lindh <clindh@uucp.sems> is listening - I did try to send this to you, but I think there must be a black hole in the middle of the English Channel). One gotcha - laser.setup should have the \E's replaced by real ESC characters. Have fun ... ------------------ cut here ------------------------------------------ #!/bin/sh echo 'Start of DVI -> 2700 driver, part 01 of 02:' echo 'x - dvix27.c' sed 's/^X//' > dvix27.c << '/' X#define VERSION "2.10" X X/* X * X * AUTHOR(s) X * Mark Senn wrote the early versions of this program for the X * BBN BitGraph. Stephan Bechtolsheim, Bob Brown, Richard X * Furuta, James Schaad and Robert Wells improved it. Norm X * Hutchinson ported the program to the Sun. Neal Holtz ported X * it to the Apollo, and from there to producing PostScript X * output. Scott Jones added intelligent font substitution. X * Rob McMahon converted from this version to the Xerox 2700. X */ X X/* Basic method: X * X * Using the local font cacheing machinery that was in the previewer, we X * can easily manage to send the bitmap for each chracter only once. Two X * passes are made over the DVI file. The first pass simply outputs the X * bitmaps for all characters that haven't been sent before for this X * section of the document. The section ends when the font job becomes X * too complicated, or at the end of the document. The second pass on a X * section outputs all the character setting and positioning commands. X * X */ X X X/* Change log: X * X * Early 1985, (nmh) -- ported sun version to Apollo. X * A little later (nmh) -- changed to continue on in the event of missing X * font files. X * 30-Mar-85 (nmh) -- added -a option to specify a different PXL area X * 30-Mar-85 (nmh) -- changed default PXL area to /pxl118 X * 31-Mar-85 (nmh) -- fixed bug in OpenFontFile() regarding more than MAXOPEN X * PXL files -- changed to mark files as closed in font_entry. X * 7-Apr-85 (nmh) -- made command line argument decoding case insensitive. X * cleaned up handling of DVI file name argument. X * 30-May-85 (nmh) -- new version; hacked to output PostScript commands X * 6-Jun-85 (nmh) -- added relative positioning (20% smaller PostScript output) X * add -m option to specify mag X * 11-Jun-85 (nmh) -- fixed bug regarding char spacings in very long "words" X * 12-Jun-85 (nmh) -- v1.02 - process DVI pages in reverse order X * 13-Jun-85 (nmh) -- fixed bug re PXL files getting opened too often when no PreLoad X * 14-Jun-85 (nmh) -- font dict created in PostScript only when 1st char of font downloaded X * add -m0 -mh -m1 etc. to specify magsteps X * 16-Aug-85 (nmh) -- added -c option t0 create output file in spool area (Apollo specific) X * added -h option to copy header file to output X * added -o option to pass options through to PostScript X * 20-Aug-85 (nmh) -- v1.03 X * 24-Aug-85 (nmh) -- add -q option (for quiet operation). X * changed -o option to check PostScript option X * changed to output coordinates in TeX system (but X * scaled to raster units) -- (0,0) at 1" in and down from X * top left (better for use with different size paper). X * -- v2.00 X * 25-Aug-85 (nmh) -- added dictionary enclosure to Tex.ps, and output X * suitable prolog here. X * 26-Aug-85 (nmh) -- changes to tex.ps to support Macintosh documents. X * 14-Sep-85 (nmh) -- added keyword=value decoding to \special; X * 15-Sep-85 (nmh) -- added -i file option. X * 23-Sep-85 (saj) -- added font substitution for case when font is X * unavailable at requested mag. (a frequent occurrence X * with some macro packages like LaTeX) X * 6-Jan-87 (cudcv) - major conversion to Xerox 2700. X * cope with PK files, and with colon separated paths X * for pixel area. X */ X X X/**********************************************************************/ X/************************ Global Definitions ************************/ X/**********************************************************************/ X X/* This version purports to drive a Xerox 2700 */ X X Xtypedef int BOOLEAN; X#define NEW(A) ((A *) malloc(sizeof(A))) X#define DEBUG 1 /* for massive printing of input */ X /* trace information; select by -d */ X /* option after filename: */ X /* dviview filename -d */ X#ifdef DEBUG Xint Debug = 0; X#endif X /* to enable statistics reporting via -s option */ X#define STATS X X#define BINARYOPEN fopen /* byte-oriented host version */ X X#define ARITHRSHIFT 1 /* define if ">>" operator is a */ X /* sign-propagating arithmetic */ X /* right shift */ X#define USEGLOBALMAG 1 /* when defined, the dvi global */ X /* magnification is applied */ X X/* We can leave USEGLOBALMAG undefined when we have a limited X number of font magnifications (at 300dpi) available. Otherwise, we X will simply complain about missing PXL files X */ X X/* #undef USEGLOBALMAG */ X X /* define for "optimal" relative postioning, rather X than absolute. Relative can reduce size of postcript X output 20% (and reduce print time by almost as much */ X#define USERELPOS 1 X X#define DVIFORMAT 2 X#define TRUE 1 X#define FALSE 0 X#define FIRSTPXLCHAR 0 X#define LASTPXLCHAR 127 X X#ifndef FONTAREA X#define FONTAREA "/usr/lib/tex/fonts" X#endif X X#ifdef apollo X#ifndef SPOOLFILE X#define SPOOLFILE "/local/spool/laser/tex." X#endif X#define MAXFLEN 28 X#endif apollo X X#ifdef apollo X#define MAXOPEN 45 /* limit on number of open PXL files */ X#else !apollo X#define MAXOPEN 45 /* limit on number of open PXL files */ X#endif X X#define NPXLCHARS 128 X#define PXLID 1001 X#define PK_POST 245 X#define PK_PRE 247 X#define PK_ID 89 X#define READ 4 /* for access() */ X#define RESOLUTION 300 X#define hconvRESOLUTION 300 X#define vconvRESOLUTION 300 X#define STACKSIZE 100 X#define STRSIZE 257 X#define MAXnPXLvec 10 /* number of components in PXLpath */ X#define NONEXISTANT -1 /* offset for PXL files not found */ X#define NO_FILE (FILE *)-1 X#define FF '\014' X#define ESC '\033' X#define DEL '\177' X#define MAXFONTID 9 /* number of assigned fonts on 2700 */ X#define MINCH 32 /* minimum char in 2700 font */ X#define MAXCH 254 /* maximum " " " " */ X#define MAX_PAT 0x40000 /* maximum pattern data in one font */ X#define MAX_LDFONTS 14 /* maximum number of loaded fonts */ X#define MAX_FONT_DATA 150000 /* maximum number of font bytes */ X#define TOP 3500 /* top of page - 1" in pixels for A4 */ X#define LEFT 0 /* indent 1" from left margin */ X X/* may need to byte swap for xerox */ X#ifdef vax X#define htoxs(x) (x) X#else X#define htoxs(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff)) X#endif X#define xtohs(x) htoxs(x) X X#ifdef apollo /* define for enabling of -c option (create output file) */ X#define CREOPT X#endif apollo X X/**********************************************************************/ X/*********************** external definitions ***********************/ X/**********************************************************************/ X X#include "commands.h" X#include <sys/param.h> X#include <sys/file.h> X#include <strings.h> X#include <signal.h> X#include <stdio.h> X#include "findfile.h" X#include "fontstr.h" X#include <ctype.h> X#include <errno.h> X Xextern int errno; Xint access(); Xchar *index(); Xchar *malloc(); Xint free(); Xchar *rindex(); Xchar *sprintf(); Xchar *strcpy(); Xchar *logname(); X X#define EQ(a,b) (strcmp(a,b)==0) X X /* output a formatted string */ X#define EMIT (void) fprintf X /* output a simple string */ X#define EMITS(s) fputs(s,outfp) X /* output an escaped octal number */ X#define EMITO(c) PutOct(c) X /* output a decimal integer */ X#define EMITN(n) PutInt(n) X /* output a byte value in Hex */ X#define EMITH(h) (void) putc(*(digit+((h>>4)&0xF)),outfp),\ X (void) putc(*(digit+(h&0xF)),outfp) X /* output a single character */ X#define EMITC(c) (void) putc(c,outfp) X /* output a scaled X dimension */ X#define EMITX(x) PutInt(PixRound(x,hconv)) X /* output a scaled Y dimension */ X#define EMITY(y) PutInt(PixRound(y,vconv)) X X /* formatted i/o was killing us, so build some tables */ Xchar *digit = "0123456789ABCDEF"; X Xtypedef union { X int code; X struct { X#ifndef vax X unsigned int spare :24; X unsigned int flag_dyn_f :4; X unsigned int flag_turn_on :1; X unsigned int flag_extended :1; X unsigned int flag_length_prefix :2; X#else X unsigned int flag_length_prefix :2; X unsigned int flag_extended :1; X unsigned int flag_turn_on :1; X unsigned int flag_dyn_f :4; X unsigned int spare :24; X#endif X } flag_split; X} FlagByte; X#define dyn_f flag_split.flag_dyn_f X#define turn_on flag_split.flag_turn_on X#define extended flag_split.flag_extended X#define length_prefix flag_split.flag_length_prefix X X/**********************************************************************/ X/************************* Global Procedures ************************/ X/**********************************************************************/ X X/* Note: Global procedures are declared here in alphabetical order, with X those which do not return values typed "void". Their bodies occur in X alphabetical order following the main() procedure. The names are X kept unique in the first 6 characters for portability. */ X Xvoid AbortRun(); Xfloat ActualFactor(); Xvoid AllDone(); XFILE* BINARYOPEN(); Xvoid CopyFile(); Xvoid DecodeArgs(); Xvoid DoSpecial(); Xvoid EmitChar(); Xvoid Encode(); Xvoid Fatal(); Xvoid FindPostAmblePtr(); Xvoid FlushXFont(); Xvoid GetBytes(); Xvoid GetFontDef(); Xchar *GetKeyStr(); Xint GetKeyVal(); Xint HasBeenRead(); Xint IsSame(); Xvoid lcase(); Xvoid MoveDown(); Xvoid MoveOver(); Xint NoSignExtend(); /* see cautionary note in code, re arithmetic vs logical shifts */ Xvoid OpenFontFile(); X#ifdef CREOPT XFILE* OpenOutput(); X#endif CREOPT Xint PixRound(); Xvoid PutInt(); Xint ReadFontDef(); Xvoid ReadPostAmble(); Xvoid SetChar(); Xvoid SetFntNum(); Xvoid SetPosn(); Xvoid SetRule(); X/* void SetString(); */ Xvoid SetXFont(); Xint SignExtend(); /* see cautionary note in code, re arithmetic vs logical shifts */ Xvoid SkipFontDef(); XFlagByte SkipSpecials(); Xvoid Warning(); X X X/**********************************************************************/ X/*********************** Font Data Structures ***********************/ X/**********************************************************************/ X X Xstruct char_entry { /* character entry */ X unsigned short width, height;/* width and height in pixels */ X short xOffset, yOffset; /* x offset and y offset in pixels */ X struct { X int isloaded; /* == loadpass if in current load */ X union { X long fileOffset; X long *pixptr; } address; X struct xfont *xfont; /* 2700 font this character lives in */ X int glyph; /* position in 2700 font */ X } where; X int tfmw; /* TFM width */ X int realw; /* best the 2700 can do */ X int kern; /* correction for +ve xOffset */ X FlagByte flag; /* PK flag byte */ X }; X Xstruct font_entry { /* font entry */ X int k, c, s, d, a, l; X char n[STRSIZE]; /* FNT_DEF command parameters */ X int font_space; /* computed from FNT_DEF s parameter */ X int font_mag; /* computed from FNT_DEF s and d parameters */ X char name[STRSIZE]; /* full name of PXL file */ X FILE *font_file_id; /* file identifier (NO_FILE if none) */ X int type; /* FONT_PK or FONT_PXL */ X long offset; /* offset in PK file */ X int magnification; /* magnification read from PXL file */ X int designsize; /* design size read from PXL file */ X struct char_entry ch[NPXLCHARS];/* character information */ X struct font_entry *next; X int ncdl; /* # of different chars actually downloaded */ X#ifdef STATS X int nbpxl; /* # of bytes of PXL data downloaded */ X int ncts; /* total # of characters typeset */ X#endif X}; X#define FONT_PXL 0 /* this is a PXL font */ X#define FONT_PK 1 /* this is a PK font */ X Xstruct pixel_list X{ X FILE *pixel_file_id; /* file identifier */ X struct font_entry *font_entry; /* font entry this refers to */ X int use_count; /* count of "opens" */ X }; X Xstruct xfont { X struct xfont *next; /* list of fonts */ X char xname[STRSIZE]; /* 2700 font name */ X int glyph; /* maximum glyph in this font so far */ X int usage; /* usage since assignment */ X}; X X/**********************************************************************/ X/************************* Global Variables *************************/ X/**********************************************************************/ X Xint FirstPage = -1000000; /* first page to print (uses count0) */ Xint LastPage = 1000000; /* last page to print */ X Xchar filename[STRSIZE]; /* DVI file name */ X X#ifdef CREOPT Xint G_create = FALSE; /* create an output file in spool area ? */ X#endif Xint G_errenc = FALSE; /* has an error been encountered? */ Xchar G_Logname[STRSIZE]; /* name of log file, if created */ Xint G_logging = 0; /* Are we logging warning messages? */ Xint G_logfile = FALSE; /* Are these messages going to a log file? */ XFILE *G_logfp; /* log file pointer (for errors) */ Xchar G_progname[STRSIZE]; /* program name */ Xint G_quiet = FALSE; /* for quiet operation */ Xint G_nowarn = FALSE; /* don't print out warnings */ X Xint hconv, vconv; /* converts DVI units to pixels */ Xint den; /* denominator specified in preamble */ XFILE *dvifp = NULL; /* DVI file pointer */ Xint PreLoad = TRUE; /* preload the font descriptions? */ Xstruct font_entry *prevfont=NULL; /* font_entry pointer, previous character */ Xstruct font_entry *fontptr; /* font_entry pointer */ Xstruct font_entry *hfontptr=NULL;/* font_entry pointer */ Xint h; /* current horizontal position */ Xint hh = -9999; /* current h on device */ Xint v; /* current vertical position */ Xint vv = -9999; /* current v on device */ Xint mag; /* magnification specified in preamble */ Xint ndone = 0; /* number of pages converted */ Xint nopen; /* number of open PXL files */ Xint num; /* numerator specified in preamble */ X#ifdef CREOPT Xchar outfname[256]; /* name of output file */ X#endif CREOPT XFILE *outfp = NULL; /* output file */ Xstruct font_entry *pfontptr = NULL; /* previous font_entry pointer */ Xstruct pixel_list pixel_files[MAXOPEN+1]; X /* list of open PXL file identifiers */ Xlong postambleptr; /* Pointer to the postamble */ XFILE *pxlfp; /* PXL file pointer */ Xchar *PXLpath; /* PXL path name for search */ Xchar *PXLvec[MAXnPXLvec]; /* " split into components at : */ Xint nPXLvec; /* number of components in " */ Xlong ppagep; /* previous page pointer */ Xchar rootname[STRSIZE]; /* DVI filename without extension */ X#ifdef STATS Xint Stats = FALSE; /* are we reporting stats ? */ Xint Snbpxl = 0; /* # of bytes of pixel data */ Xint Sonbpx = 0; /* "optimal" number of bytes of pixel data */ Xint Sndc = 0; /* # of different characters typeset */ Xint Stnc = 0; /* total # of chars typeset */ Xint Snbpx0, Sndc0, Stnc0; /* used for printing incremental changes per dvi page */ X#endif X Xint usermag = 0; /* user specified magnification */ Xint loadpass; /* in nth font load */ Xint Complex = FALSE; /* section too complex - print it */ Xint Emitting = FALSE; /* outputting typsetting instructions? */ Xint SkipMode = FALSE; /* in skip mode flag */ Xstruct xfont *curxfont = NULL; /* current font on 2700 */ Xstruct xfont *headxfont = NULL; /* list of 2700 fonts */ Xint nxfonts = 0; /* number of 2700 fonts so far */ Xlong total_font_data; /* total bytes of font data */ Xstruct xheader xheader; /* header for 2700 font */ Xchar qual_tab[256] = { 0 }; /* qualification table (unused) */ Xstruct xchardesc lut_tab [256]; /* character lookup table in current font */ Xstruct xchardesc space_glyph = { /* single pixel space */ X htoxs(2), 0, 0, 61, -5, 0 X}; Xchar patt_tab[MAX_PAT]; /* patterns for 2700 characters */ Xint next_free; /* next free slot in patt_tab */ Xstruct xfont *assigned_font[MAXFONTID]; /* fonts with assigned ID's */ X X/**********************************************************************/ X/******************************* main *******************************/ X/**********************************************************************/ X Xmain(argc, argv) Xint argc; Xchar *argv[]; X X{ X struct stack_entry { /* stack entry */ X int h, v, w, x, y, z; /* what's on stack */ X }; X X X int command; /* current command */ X int count[10]; /* the 10 counters at begining of each page */ X long cpagep; /* current page pointer */ X long spagep, tpagep; /* extent of this section */ X register int i; /* command parameter; loop index */ X int k; /* temporary parameter */ X char n[STRSIZE]; /* command parameter */ X int PassNo = 0; /* which pass over the DVI page are we on? */ X int sp; /* stack pointer */ X struct stack_entry stack[STACKSIZE]; /* stack */ X char SpecialStr[STRSIZE]; /* "\special" strings */ X int val, val2; /* temporarys to hold command information*/ X int w; /* current horizontal spacing */ X int x; /* current horizontal spacing */ X int y; /* current vertical spacing */ X int z; /* current vertical spacing */ X X nopen = 0; X (void) strcpy(G_progname, argv[0]); X X PXLpath = FONTAREA; /* default font area */ X X DecodeArgs( argc, argv ); X X { /* split PXLpath into vec */ X char *p; X X nPXLvec = 1; X PXLvec[0] = PXLpath; X X while ((p = index(PXLpath, ':')) != 0 && nPXLvec < MAXnPXLvec) { X *p++ = '\0'; X PXLvec[nPXLvec++] = p; X } X } X X#ifdef apollo X set_sbrk_size( 2048*1024 ); X#endif X X if ((i = NoSignExtend(dvifp, 1)) != PRE) { X (void) fprintf(stderr,"\n"); X Fatal("%s: PRE doesn't occur first--are you sure this is a DVI file?\n\n", X G_progname); X } X X i = SignExtend(dvifp, 1); X if (i != DVIFORMAT) { X (void) fprintf(stderr,"\n"); X Fatal("%s: DVI format = %d, can only process DVI format %d files\n\n", X G_progname, i, DVIFORMAT); X } X X#ifdef CREOPT X if( G_create ) X outfp = OpenOutput(); X else X#endif CREOPT X outfp = stdout; X X /* it is important that these be the very first things output !!! */ X EMIT(outfp,"%c+X\n",ESC); X /* set margins for A4 */ X EMIT(outfp,"%cm700,0,0,0,495\n",ESC); X X if (PreLoad) { X ReadPostAmble(TRUE); X (void) fseek(dvifp, (long) 14, 0); X } X else { X num = NoSignExtend(dvifp, 4); X den = NoSignExtend(dvifp, 4); X mag = NoSignExtend(dvifp, 4); X#ifdef USEGLOBALMAG X if( usermag > 0 && usermag != mag ) X (void) fprintf(stderr, "DVI magnification of %d over-ridden by user mag of %d\n", mag, usermag ); X#endif X if( usermag > 0 ) mag = usermag; X#ifndef USEGLOBALMAG X if( mag != 1000 ) X (void) fprintf(stderr, "Magnification of %d ignored.\n", mag); X#endif X hconv = DoConv(num, den, hconvRESOLUTION); X vconv = DoConv(num, den, vconvRESOLUTION); X } X k = NoSignExtend(dvifp, 1); X GetBytes(dvifp, n, k); X X PassNo = 0; X spagep = ftell(dvifp); X tpagep = 0; X total_font_data = 0; X nxfonts = 0; X curxfont = 0; X loadpass = 1; X EMIT(outfp,"%c+F\n",ESC); X X while (TRUE) X X switch (command=NoSignExtend(dvifp, 1)) { X X case SET1:case SET2:case SET3:case SET4: X val = NoSignExtend(dvifp, command-SET1+1); X if (!SkipMode) SetChar(val, command, PassNo); X break; X X case SET_RULE: X val = NoSignExtend(dvifp, 4); X val2 = NoSignExtend(dvifp, 4); X if (Emitting) SetRule(val, val2, 1); X break; X X case PUT1:case PUT2:case PUT3:case PUT4: X val = NoSignExtend(dvifp,command-PUT1+1); X if (!SkipMode) SetChar(val, command, PassNo); X break; X X case PUT_RULE: X val = NoSignExtend(dvifp, 4); X val2 = NoSignExtend(dvifp, 4); X if (Emitting) SetRule(val, val2, 0); X break; X X case NOP: X break; X X case BOP: X cpagep = ftell(dvifp) - 1; X for (i=0; i<=9; i++) X count[i] = NoSignExtend(dvifp, 4); X ppagep = NoSignExtend(dvifp, 4); X X h = v = w = x = y = z = 0; X hh = vv = -9999; X sp = 0; X fontptr = NULL; X prevfont = NULL; X X if( count[0] < FirstPage || count[0] > LastPage ) X SkipMode = TRUE; X else X SkipMode = FALSE; X X if( !SkipMode ) { X if( PassNo == 0) { X#ifdef STATS X if( Stats ) { X Sndc0 = Sndc; X Stnc0 = Stnc; X Snbpx0 = Snbpxl; X } X#endif X if( !G_quiet ) { X (void) fprintf(stderr, "[%d", count[0] ); X (void) fflush(stderr); X } X } X else if (cpagep == tpagep) { /* end of section */ X PassNo = 0; X spagep = cpagep; /* start of next section */ X for (i = 0; i < MAXFONTID; i++) X assigned_font[i] = NULL; X total_font_data = 0; X nxfonts = 0; X curxfont = 0; X loadpass++; X EMIT(outfp,"%c+F\n",ESC); X } X } X X Emitting = (PassNo != 0) && !SkipMode; X X break; X X case EOP: X if (Complex) { /* we've had to abandon font processing */ X if (spagep == cpagep) { /* start of section is this page ! */ X Fatal("Page too complex"); X } X Complex = 0; X tpagep = cpagep; X (void) fseek(dvifp, spagep, 0); X SkipMode = 0; X PassNo = 1; X FlushXFont(curxfont); X curxfont = NULL; X EMIT(outfp,"%c+P\n", ESC); X /* set up font now, in case first command isn't a char */ X SetXFont(headxfont); X } X if( !SkipMode ) { X if (PassNo == 1) { /* end of page processing in second pass */ X EMIT(outfp,"%c",FF); X hh = vv = -9999; X#ifdef STATS X if( Stats ) X (void) fprintf(stderr," - %d total ch, %d diff ch, %d pxl bytes]\n", X Stnc-Stnc0, Sndc-Sndc0, Snbpxl-Snbpx0); X else X#endif X if( !G_quiet ) { X (void) fprintf(stderr,"] "); X if( (++ndone % 10) == 0 ) X (void) fprintf(stderr,"\n"); X (void) fflush(stderr); X } X } X } X break; X X case PUSH: X if (sp >= STACKSIZE) X Fatal("stack overflow"); X stack[sp].h = h; X stack[sp].v = v; X stack[sp].w = w; X stack[sp].x = x; X stack[sp].y = y; X stack[sp].z = z; X sp++; X break; X X case POP: X --sp; X if (sp < 0) X Fatal("stack underflow"); X h = stack[sp].h; X v = stack[sp].v; X w = stack[sp].w; X x = stack[sp].x; X y = stack[sp].y; X z = stack[sp].z; X break; X X case RIGHT1:case RIGHT2:case RIGHT3:case RIGHT4: X val = SignExtend(dvifp,command-RIGHT1+1); X if (Emitting) MoveOver(val); X break; X X case W0: X if (Emitting) MoveOver(w); X break; X X case W1:case W2:case W3:case W4: X w = SignExtend(dvifp,command-W1+1); X if (Emitting) MoveOver(w); X break; X X case X0: X if (Emitting) MoveOver(x); X break; X X case X1:case X2:case X3:case X4: X x = SignExtend(dvifp,command-X1+1); X if (Emitting) MoveOver(x); X break; X X case DOWN1:case DOWN2:case DOWN3:case DOWN4: X val = SignExtend(dvifp,command-DOWN1+1); X if (Emitting) MoveDown(val); X break; X X case Y0: X if (Emitting) MoveDown(y); X break; X X case Y1:case Y2:case Y3:case Y4: X y = SignExtend(dvifp,command-Y1+1); X if (Emitting) MoveDown(y); X break; X X case Z0: X if (Emitting) MoveDown(z); X break; X X case Z1:case Z2:case Z3:case Z4: X z = SignExtend(dvifp,command-Z1+1); X if (Emitting) MoveDown(z); X break; X X case FNT1:case FNT2:case FNT3:case FNT4: X if (!SkipMode) { X SetFntNum(NoSignExtend(dvifp,command-FNT1+1)); X } X break; X X case XXX1:case XXX2:case XXX3:case XXX4: X k = NoSignExtend(dvifp,command-XXX1+1); X GetBytes(dvifp, SpecialStr, k); X if(Emitting) DoSpecial(SpecialStr, k); X break; X X case FNT_DEF1:case FNT_DEF2:case FNT_DEF3:case FNT_DEF4: X k = NoSignExtend(dvifp, command-FNT_DEF1+1); X if (PreLoad || HasBeenRead(k) ) X { X SkipFontDef (k); X } X else X { X ReadFontDef (k); X } X break; X X case PRE: X Fatal("PRE occurs within file"); X break; X X case POST: X if (PassNo == 0) { X tpagep = 0; X (void) fseek(dvifp, spagep, 0); X PassNo = 1; X FlushXFont(curxfont); X curxfont = NULL; X EMIT(outfp,"%c+P\n", ESC); X /* set up font now, in case first command isn't a char */ X SetXFont(headxfont); X } X else X AllDone(); X break; X X case POST_POST: X Fatal("POST_POST with no preceding POST"); X break; X X default: X if (command >= FONT_00 && command <= FONT_63) X {if (!SkipMode) X SetFntNum(command - FONT_00);} X else if (command >= SETC_000 && command <= SETC_127) X {if (!SkipMode) SetChar(command, command, PassNo);} X else X Fatal("%d is an undefined command", command); X break; X X } X X} X X/*-->AbortRun*/ X/**********************************************************************/ X/*************************** AbortRun *******************************/ X/**********************************************************************/ X Xvoid XAbortRun(code) Xint code; X{ X exit(code); X} X X X/*-->ActualFactor*/ X/**********************************************************************/ X/************************** ActualFactor ****************************/ X/**********************************************************************/ X Xfloat /* compute the actual size factor given the approximation */ XActualFactor(unmodsize) Xint unmodsize; /* actually factor * 1000 */ X{ X float realsize; /* the actual magnification factor */ X X realsize = (float)unmodsize / 1000.0; X /* a real hack to correct for rounding in some cases--rkf */ X if(unmodsize==1095) realsize = 1.095445; /*stephalf*/ X else if(unmodsize==1315) realsize=1.314534; /*stepihalf*/ X else if(unmodsize==1577) realsize=1.577441; /*stepiihalf*/ X else if(unmodsize==1893) realsize=1.892929; /*stepiiihalf*/ X else if(unmodsize==2074) realsize=2.0736; /*stepiv*/ X else if(unmodsize==2488) realsize=2.48832; /*stepv*/ X else if(unmodsize==2986) realsize=2.985984; /*stepiv*/ X /* the remaining magnification steps are represented with sufficient X accuracy already */ X return(realsize); X} X X X/*-->AllDone*/ X/**********************************************************************/ X/****************************** AllDone ******************************/ X/**********************************************************************/ X Xvoid XAllDone() X{ X int t; X struct font_entry *p; X X EMIT(outfp,"%c+X\n",ESC); X /* just in case the exit code wants to open a file (profiling) ... */ X (void) fclose(dvifp); X if( !G_quiet ) X (void) fprintf(stderr,"\n"); X X#ifdef CREOPT X if( G_create ) { X (void) fclose(outfp); X if( !G_quiet ) X (void) fprintf(stderr, "Output written on \"%s\"\n", outfname ); X } X#endif CREOPT X X if (G_errenc && G_logging == 1 && G_logfile) { X (void) fseek(G_logfp, (long)0, 0); X while ((t=getc(G_logfp)) != EOF) X (void) putchar(t); X } X if (G_logging == 1 && G_logfile) X (void) printf("Log file created\n"); X X#ifdef STATS X if (Stats) { X (void) fprintf( stderr, "Total chars diff chars pxl bytes\n" ); X (void) fprintf( stderr, " # %% # %% # %%\n" ); X (void) fprintf( stderr, "------- --- ------ --- ----- ---\n" ); X for( p=hfontptr; p!=NULL; p=p->next ) { X (void) fprintf( stderr, "%7d%4d", p->ncts, (100*p->ncts + Stnc/2)/Stnc ); X (void) fprintf( stderr, "%9d%4d", p->ncdl, (100*p->ncdl + Sndc/2)/Sndc ); X (void) fprintf( stderr, "%8d%4d", p->nbpxl, (100*p->nbpxl + Snbpxl/2)/Snbpxl ); X } X (void) fprintf(stderr, "\nTotal number of characters typeset: %d\n", Stnc); X (void) fprintf(stderr, "Number of different characters downloaded: %d\n", Sndc); X (void) fprintf(stderr, "Number of bytes of pxl data downloaded: %d\n", Snbpxl); X (void) fprintf(stderr, "Optimal # of bytes of pxl data: %d\n", Sonbpx); X } X#endif X X AbortRun(G_errenc); X} X X X/*-->CopyFile*/ /* copy a file straight through to output */ X/*********************************************************************/ X/***************************** CopyFile ******************************/ X/*********************************************************************/ X X#ifdef notdef Xvoid XCopyFile( str ) Xchar *str; X{ X FILE *spfp; X int t; X X if( (spfp=fopen(str,"r")) == NULL ) { X (void) fprintf(stderr,"Unable to open file %s\n", str ); X return; X } X if( !G_quiet ) X (void) fprintf(stderr," [%s", str); X while( (t = getc(spfp)) != EOF ) { X EMITC(t); X } X (void) fclose(spfp); X if( !G_quiet ) X (void) fprintf(stderr,"]"); X} X#endif X X/*-->DecodeArgs*/ X/*********************************************************************/ X/***************************** DecodeArgs ****************************/ X/*********************************************************************/ X Xvoid XDecodeArgs( argc, argv ) Xint argc; Xchar *argv[]; X{ X int argind; /* argument index for flags */ X char curarea[STRSIZE]; /* current file area */ X char curname[STRSIZE]; /* current file name */ X char *tcp, *tcp1; /* temporary character pointers */ X X argind = 1; X while (argind < argc) { X tcp = argv[argind]; X if (*tcp == '-') X switch(isupper(*++tcp) ? (*tcp-'A')+'a' : *tcp) { X X case 'a': /* a selects different pxl font area */ X PXLpath = argv[++argind]; X break; X#ifdef CREOPT X case 'c': /* create an output file in spool area */ X G_create = TRUE; X break; X#endif CREOPT X#ifdef DEBUG X case 'd': /* d selects Debug output */ X Debug = TRUE; X break; X#endif X case 'f': /* next arg is starting pagenumber */ X if( ++argind >= argc || sscanf(argv[argind], "%d", &FirstPage) != 1 ) X Fatal("Argument is not a valid integer\n", 0); X break; X X case 'l': /* l prohibits logging of errors */ X G_logging = -1; X break; X#ifdef USEGLOBALMAG X case 'm': /* specify magnification to use */ X switch( tolower(*++tcp) ) { X X case '\0': /* next arg is a magnification to use */ X if( ++argind >= argc || sscanf(argv[argind], "%d", &usermag) != 1 ) X Fatal("Argument is not a valid integer\n", 0); X break; X case '0': usermag = 1000; break; X case 'h': usermag = 1095; break; X case '1': usermag = 1200; break; X case '2': usermag = 1440; break; X case '3': usermag = 1728; break; X case '4': usermag = 2074; break; X case '5': usermag = 2488; break; X default: Fatal("%c is a bad mag step\n", *tcp); X } X break; X#endif X X case 'p': /* p prohibits pre-font loading */ X PreLoad = 0; X break; X X case 'q': /* quiet operation */ X G_quiet = TRUE; X break; X#ifdef STATS X case 's': /* print some statistics */ X Stats = TRUE; X break; X#endif X case 't': /* next arg is ending pagenumber */ X if( ++argind >= argc || sscanf(argv[argind], "%d", &LastPage) != 1 ) X Fatal("Argument is not a valid integer\n", 0); X break; X X case 'w': /* don't print out warnings */ X G_nowarn = TRUE; X break; X X default: X (void) printf("%c is not a legal flag\n", *tcp); X } X X else { X X tcp = rindex(argv[argind], '/'); /* split into directory + file name */ X if (tcp == NULL) { X curarea[0] = '\0'; X tcp = argv[argind]; X } X else { X (void) strcpy(curarea, argv[argind]); X curarea[tcp-argv[argind]+1] = '\0'; X tcp += 1; X } X X (void) strcpy(curname, tcp); X tcp1 = rindex(tcp, '.'); /* split into file name + extension */ X if (tcp1 == NULL) { X (void) strcpy(rootname, curname); X (void) strcat(curname, ".dvi"); X } X else { X *tcp1 = '\0'; X (void) strcpy(rootname, curname); X *tcp1 = '.'; X } X X (void) strcpy(filename, curarea); X (void) strcat(filename, curname); X X if ((dvifp=BINARYOPEN(filename,"r")) == NULL) { X (void) fprintf(stderr,"\n"); X (void) fprintf(stderr,"%s: can't find DVI file \"%s\"\n\n", G_progname, filename); X AbortRun(1); X } X X (void) strcpy(G_Logname, curname); X (void) strcat(G_Logname, ".log"); X } X argind++; X } X X if (dvifp == NULL) { X (void) fprintf(stderr, X "\nusage: %s [-a area] [-c] [-h] [-o option] [-p] [-s] [-r] [-f n] [-t n] [-m{0|h|1|2|3|4| mag] [-a fontarea] dvifile\n\n", X G_progname); X AbortRun(1); X } X} X X X/*-->DoConv*/ X/*********************************************************************/ X/******************************** DoConv ***************************/ X/*********************************************************************/ X Xint DoConv(num, den, convResolution) X{ X register float conv; X conv = ((float)num/(float)den) * X#ifdef USEGLOBALMAG X/* ActualFactor(mag) * why was this in as Actual Factor? jls */ X ((float) mag/1000.0) * X#endif X ((float)convResolution/254000.0); X return((int) (1.0 / conv + 0.5)); X} X X X/*-->DoSpecial*/ X/*********************************************************************/ X/***************************** DoSpecial ***************************/ X/*********************************************************************/ X#ifdef notdef Xtypedef enum {None, String, Integer, Number, Dimension} ValTyp; X Xtypedef struct { X char *Key; /* the keyword string */ X char *Val; /* the value string */ X ValTyp vt; /* the value type */ X union { /* the decoded value */ X int i; X float n; X } v; X } KeyWord; X Xtypedef struct { X char *Entry; X ValTyp Type; X } KeyDesc; X X#define PSFILE 0 XKeyDesc KeyTab[] = {{"psfile", String}, X {"hsize", Dimension}, X {"vsize", Dimension}, X {"hoffset", Dimension}, X {"voffset", Dimension}, X {"hscale", Number}, X {"vscale", Number}}; X X#define NKEYS (sizeof(KeyTab)/sizeof(KeyTab[0])) X#endif Xvoid XDoSpecial( str, n ) /* interpret a \special command, made up of keyword=value pairs */ Xchar *str; Xint n; X{ X#ifdef notdef /* don't do anything for now */ X char spbuf[STRSIZE]; X char *sf = NULL; X KeyWord k; X int i; X X str[n] = '\0'; X spbuf[0] = '\0'; X X SetPosn(h, v, 0); X EMITS("@beginspecial\n"); X X while( (str=GetKeyStr(str,&k)) != NULL ) { /* get all keyword-value pairs */ X /* for compatibility, single words are taken as file names */ X if( k.vt == None && access(k.Key,0) == 0) { X if( sf ) Warning(" More than one \\special file name given. %s ignored", sf ); X (void) strcpy(spbuf, k.Key); X sf = spbuf; X } X else if( GetKeyVal( &k, KeyTab, NKEYS, &i ) && i != -1 ) { X if( i == PSFILE ) { X if( sf ) Warning(" More than one \\special file name given. %s ignored", sf ); X (void) strcpy(spbuf, k.Val); X sf = spbuf; X } X else /* the keywords are simply output as PS procedure calls */ X EMIT(outfp, "%f @%s\n", k.v.n, KeyTab[i].Entry); X } X else Warning(" Invalid keyword or value in \\special - \"%s\" ignored", k.Key ); X } X X EMITS("@setspecial\n"); X X if( sf ) X CopyFile( sf ); X else X Warning(" No special file name provided."); X X EMITS("@endspecial\n"); X#endif notdef X} X X X/*-->EmitChar*/ X/**********************************************************************/ X/**************************** EmitChar ******************************/ X/**********************************************************************/ X/* The 2700 doesn't seem to have much idea about x-offsets, so for negative X * offsets pad out the bit map with space, and for positive offsets supply X * the offset to SetPosn as an extra parameter. X */ X X Xvoid XEmitChar(ce) /* output a character bitmap */ X struct char_entry *ce; X{ X int nbpl, nwpl; X int xbytes_per_row; X int bytes_needed; X unsigned char *pattern; X register int i, j, bit_n; X register char *sl; X struct xchardesc *cur_lut; X X /* check there's room in the pattern table */ X xbytes_per_row = (ce->height + 7) / 8; X if (xbytes_per_row < 2) xbytes_per_row = 2; X bytes_needed = xbytes_per_row * ce->width; X if (ce->xOffset < 0) X bytes_needed += - xbytes_per_row * ce->xOffset; X if (bytes_needed + next_free > MAX_PAT) { X FlushXFont(curxfont); X curxfont = 0; X } X X if (curxfont == 0) { X if (nxfonts > MAX_LDFONTS) { X /* too many fonts in this section */ X Complex++; X SkipMode++; X Emitting = 0; X return; X } X curxfont = (struct xfont *) malloc(sizeof(struct xfont)); X /* X * initialize first characters in every font to be spaces X * to use for quick, small moves. It seems character 32 is not X * usable, and ought to be a standard space. X */ X cur_lut = &lut_tab[MINCH]; X *cur_lut = space_glyph; X cur_lut->width = 18; X *++cur_lut = space_glyph; X cur_lut->width = 1; X *++cur_lut = space_glyph; X cur_lut->width = 2; X bzero(&patt_tab[0], 2); X next_free = 2; X curxfont->glyph = MINCH+3; X /* make sure the 2700 name is unique, in case this is a clever version X * that only loads fonts it doesn't already have (3700?) */ X (void) sprintf(curxfont->xname, "dvi%u-%d-%d", X getpid(), loadpass, nxfonts++); X curxfont->next = headxfont; X headxfont = curxfont; X /* header, qual table, lut entry for 3 spaces, 2 byte pattern */ X total_font_data += sizeof(struct xheader) X + 256*sizeof(qual_tab[0]) X + 3*sizeof(lut_tab[0]) X + 2; X } X X total_font_data += sizeof(lut_tab[0]) + bytes_needed; X if (total_font_data > MAX_FONT_DATA) { X /* too much font data in this section */ X Complex++; X SkipMode++; X Emitting = 0; X return; X } X X /* set up lookup table entry - loc will be adjusted later */ X cur_lut = &lut_tab[curxfont->glyph]; X cur_lut->lo_loc = htoxs(next_free & 0xffff); X cur_lut->hi_loc = next_free >> 16; X /* don't use PixRound for this - we'd rather adjust to the right */ X cur_lut->width = ce->tfmw / hconv; X cur_lut->orgy = (ce->yOffset - ((int)ce->height) - 1) / 2; X cur_lut->blocking = 63 - xbytes_per_row; X cur_lut->nbyte = htoxs(bytes_needed); X X pattern = (unsigned char *) &patt_tab[next_free]; X bzero((char *)pattern, bytes_needed); X /* for negative xOffset, add white space to pattern */ X if (ce->xOffset < 0) X pattern += - xbytes_per_row * ce->xOffset; X#ifdef notdef X if (ce->xOffset > 0) fprintf(stderr, "xOffset: %d\n", ce->xOffset); X#endif X /* for positive xOffset, adjust position before setting position, and X * compensate by increasing width of character */ X if (ce->xOffset > 0) { X ce->kern = ce->xOffset; X cur_lut->width += ce->xOffset; X } X ce->realw = cur_lut->width * hconv; X#ifdef notdef X if (ce->xOffset > 0) { X fprintf(stderr, "Incoming map: \n"); X printpixelmap((char *)ce->where.address.pixptr, nwpl*4, ce->height); X } X#endif X /* convert raster from PK or PXL to 2700 (rows and columns reversed) */ X /* this is all a bit cryptic I'm afraid */ X if (fontptr->type == FONT_PXL) { X /* this is a PXL font, just reverse rows and columns */ X nbpl = (ce->width + 7) >> 3; X nwpl = (ce->width + 31) >> 5; X for (i = 0; i < ce->height; i++) { X sl = (char *)(ce->where.address.pixptr + (ce->height-1-i)*nwpl); X for (j = 0; j < nbpl; j++, sl++) { X for (bit_n = 7; bit_n >= 0; bit_n--) { X if ((*sl >> bit_n) & 1) X pattern[xbytes_per_row * ((j << 3) + (7 - bit_n)) X + (i >> 3)] |= 1 << (7 - (i & 07)); X } X } X } X } X else { /* PK font */ X /* this code is basically from PKTOPXL, modified to swap rows & cols */ X if (ce->flag.dyn_f == 14) { /* bitwise raster image */ X bit_n = 0; X for (i = ce->height-1; i >= 0; i--) { X for (j = 0; j < ce->width; j++) { X if (((char *)ce->where.address.pixptr)[bit_n >> 3] & X (1 << (7 - (bit_n & 07)))) X pattern[xbytes_per_row * j + (i >> 3)] |= X 1 << (7 - (i & 07)); X bit_n++; X } X } X } X else { /* compressed raster */ X unsigned char *pp; X int nybble = 0, repeat = 0; X int turning_on = ce->flag.turn_on; X int row, count; X bit_n = 0; X X pp = (unsigned char *)ce->where.address.pixptr; X for (row = ce->height - 1; row >= 0; ) { X count = PKPackedNum(&pp, &nybble, ce->flag.dyn_f, &repeat); X#ifdef notdef X fprintf(stderr, X "(row %d) turn_on = %d, count = %d, repeat = %d\n", X row, turning_on, count, repeat); X#endif X while (count > 0) { X while (bit_n < ce->width && count > 0) { X if (turning_on) X pattern[xbytes_per_row * bit_n + (row >> 3)] |= X 1 << (7 - (row & 07)); X count--; X bit_n++; X } X if (bit_n == ce->width) { X for (bit_n = 0; bit_n < ce->width; bit_n++) { X if (pattern[xbytes_per_row * bit_n + (row >> 3)] & X (1 << (7 - (row & 07)))) { X for (i = 1; i <= repeat; i++) { X pattern[xbytes_per_row * bit_n + X ((row-i) >> 3)] |= X 1 << (7 - ((row-i) & 07)); X } X } X } X row -= repeat + 1; X bit_n = 0; X repeat = 0; X } X } X turning_on = !turning_on; X } X } X } X#ifdef notdef X if (ce->xOffset > 0) { X fprintf(stderr, "Outgoing map: \n"); X printpixelmap(&patt_tab[next_free], xbytes_per_row, X bytes_needed/xbytes_per_row); X } X#endif X next_free += (bytes_needed + 1) & ~1; /* start on 16-bit boundary */ X X ce->where.xfont = curxfont; X ce->where.glyph = curxfont->glyph; X X if (++curxfont->glyph == DEL) { /* DEL ignored by printer */ X curxfont->glyph++; X } X if (curxfont->glyph > MAXCH) { X FlushXFont(curxfont); X curxfont = 0; X } X X#ifdef STATS X Snbpxl += nbpl*ce->height; X fontptr->nbpxl += nbpl*ce->height; X Sonbpx += (ce->width*ce->height + 7) >> 3; X Sndc += 1; X#endif X} X X#ifdef notdef Xprintpixelmap(map, row, lines) X unsigned char *map; X int row, lines; X{ X register int i, j, k; X int c; X X for (i = 0; i < lines; i++) { X for (j = 0; j < row; j++) { X c = map[i * row + j]; X for (k = 7; k >= 0; k--) { X if (c & (1 << k)) X putc('*', stderr); X else X putc(' ', stderr); X } X } X putc('\n', stderr); X } X} X#endif X Xstatic long encode_buf = 0; Xstatic int encode_count = 0; X Xvoid XFlushXFont(xfont) X struct xfont *xfont; X{ X long patt_offset, remainder, patt_length, font_length, new_loc; X int trail_length, i, cid; X X if (xfont == 0) X return; X /* first construct header */ X xheader.magic = 0xaaaa; X xheader.rev = 1; X xheader.flags = PORTRAIT|PROP_SP; X /* don't want font name null terminated */ X for (i = 0; i < 20; i++) X xheader.fname[i] = ' '; X (void) strncpy(xheader.fname, xfont->xname, strlen(xfont->xname)); X xheader.lowchar = MINCH; X xheader.highchar = xfont->glyph - 1; X /* offset into font of pattern table */ X patt_offset = sizeof(struct xheader) + 256 + X sizeof(struct xchardesc) * (xfont->glyph - MINCH); X /* this is a rather empirical calculation of how many trailing 0x55 X * bytes are needed, found by looking through several fonts */ X remainder = (next_free + patt_offset) % 6; X trail_length = 3*((remainder + 3)/4) + 9 - remainder; X for (i = 0; i < trail_length; i++) X patt_tab[next_free++] = 0x55; X patt_length = next_free; X font_length = patt_length + patt_offset; X xheader.lo_length = htoxs(font_length & 0xffff); X xheader.hi_length = font_length >> 16; X if (xheader.hi_length) X xheader.flags |= LONG_FONT; X /* initialize encoding routine, and output header and (unused) qual tab */ X encode_buf = 0; X encode_count = 0; X Encode((unsigned char *)&xheader, sizeof(struct xheader)); X Encode((unsigned char *)qual_tab, 256*sizeof(qual_tab[0])); X /* update offsets into font */ X for (cid = xheader.lowchar; cid <= xheader.highchar; cid++) { X new_loc = xtohs(lut_tab[cid].lo_loc) + X (lut_tab[cid].hi_loc << 16) + patt_offset; X lut_tab[cid].lo_loc = htoxs(new_loc & 0xffff); X lut_tab[cid].hi_loc = new_loc >> 16; X } X /* output lookup table and pattern area */ X Encode((unsigned char *)&lut_tab[xheader.lowchar], X sizeof(struct xchardesc)*(xheader.highchar-xheader.lowchar+1)); X Encode((unsigned char *)patt_tab, patt_length); X /* flush encode_buf */ X new_loc = 0; X Encode((unsigned char *)&new_loc, 2); X} X X/* X * encode font data for the 2700. Each 6 bits of font data is converted into X * an ASCII character from '?' to '~'. Three bytes of input form 4 bytes of X * output. X */ Xvoid XEncode(p, len) X register unsigned char *p; X int len; X{ X register int i; X X while (1) { X for ( ; len > 0 && encode_count < 3; len--, encode_count++) X encode_buf = (encode_buf << 8) + *p++; X if (len <= 0) X return; X for (i = 18; i >= 0; i -= 6) { X EMITC(((encode_buf >> i) & 077) + '?'); X } X encode_count = 0; X encode_buf = 0; X } X} X Xint XPKPackedNum(p, b, dynf, repeat_count) X unsigned char **p; X int *b; X int dynf; X int *repeat_count; X{ X int i, j; X X i = GetNyb(p, b); X if (i == 0) { X do { X i++; X } while ((j = GetNyb(p, b)) == 0); X for ( ; i > 0; i--) X j = (j << 4) + GetNyb(p, b); X return (j - 15 + (13 - dynf)*16 + dynf); X } X else if (i <= dynf) X return i; X else if (i < 14) X return (i - dynf - 1)*16 + GetNyb(p, b) + dynf + 1; X else { X *repeat_count = (i == 14) ? PKPackedNum(p, b, dynf, repeat_count) : 1; X return PKPackedNum(p, b, dynf, repeat_count); X } X} X Xint XGetNyb(p, b) X unsigned char **p; X int *b; X{ X if (*b) { X *b = 0; X return (*(*p)++ & 0xf); X } X else { X *b = 1; X return (**p >> 4); X } X} X X/*-->Fatal*/ X/**********************************************************************/ X/****************************** Fatal *******************************/ X/**********************************************************************/ X/*VARARGS1*/ X Xvoid XFatal(fmt, a, b, c)/* issue a fatal error message */ Xchar *fmt; /* format */ Xchar *a, *b, *c; /* arguments */ X X{ X if (G_logging == 1 && G_logfile) X { X (void) fprintf(G_logfp, "%s: FATAL--", G_progname); X (void) fprintf(G_logfp, fmt, a, b, c); X (void) fprintf(G_logfp, "\n"); X } X X (void) fprintf(stderr,"\n"); X (void) fprintf(stderr, "%s: FATAL--", G_progname); X (void) fprintf(stderr, fmt, a, b, c); X (void) fprintf(stderr, "\n\n"); X if (G_logging == 1) X (void) printf("Log file created\n"); X#ifdef CREOPT X if (G_create && outfp != NULL) { X (void) fclose(outfp); X unlink(outfname); X } X#endif CREOPT X AbortRun(1); X} X X X/*-->FindPostAmblePtr*/ X/**********************************************************************/ X/************************ FindPostAmblePtr **************************/ X/**********************************************************************/ X Xvoid XFindPostAmblePtr(postambleptr) Xlong *postambleptr; X X/* this routine will move to the end of the file and find the start X of the postamble */ X X{ X int i; X X (void) fseek (dvifp, (long) 0, 2); /* goto end of file */ X *postambleptr = ftell (dvifp) - 4; X (void) fseek (dvifp, *postambleptr, 0); X X while (TRUE) { X (void) fseek (dvifp, --(*postambleptr), 0); X if (((i = NoSignExtend(dvifp, 1)) != 223) && X (i != DVIFORMAT)) X Fatal ("Bad end of DVI file"); X if (i == DVIFORMAT) X break; X } X (void) fseek (dvifp, (long) ((*postambleptr) - 4), 0); X (*postambleptr) = NoSignExtend(dvifp, 4); X (void) fseek (dvifp, *postambleptr, 0); X} X X X/*-->GetBytes*/ X/**********************************************************************/ X/***************************** GetBytes *****************************/ X/**********************************************************************/ X Xvoid XGetBytes(fp, cp, n) /* get n bytes from file fp */ Xregister FILE *fp; /* file pointer */ Xregister char *cp; /* character pointer */ Xregister int n; /* number of bytes */ X X{ X while (n--) X *cp++ = NoSignExtend(fp, 1); X} X X X/*-->GetFontDef*/ X/**********************************************************************/ X/**************************** GetFontDef *****************************/ X/**********************************************************************/ X Xvoid XGetFontDef() X X/*********************************************************************** X Read the font definitions as they are in the postamble of the DVI X file. X***********************************************************************/ X X{ X unsigned char byte; X X while (((byte = NoSignExtend(dvifp, 1)) >= FNT_DEF1) && X (byte <= FNT_DEF4)) { X switch (byte) { X case FNT_DEF1: X ReadFontDef (NoSignExtend(dvifp, 1)); X break; X case FNT_DEF2: X ReadFontDef (NoSignExtend(dvifp, 2)); X break; X case FNT_DEF3: X ReadFontDef (NoSignExtend(dvifp, 3)); X break; X case FNT_DEF4: X ReadFontDef (NoSignExtend(dvifp, 4)); X break; X default: X Fatal ("Bad byte value in font defs"); X break; X } X } X if (byte != POST_POST) X Fatal ("POST_POST missing after fontdefs"); X} X X X/*-->GetKeyStr*/ X/**********************************************************************/ X/***************************** GetKeyStr ****************************/ X/**********************************************************************/ X X /* extract first keyword-value pair from string (value part may be null) X * return pointer to remainder of string X * return NULL if none found X */ X#ifdef notdef Xchar KeyStr[STRSIZE]; Xchar ValStr[STRSIZE]; X Xchar *GetKeyStr( str, kw ) Xchar *str; XKeyWord *kw; X{ X char *s, *k, *v, t; X X if( !str ) return( NULL ); X X for( s=str; *s == ' '; s++ ) ; /* skip over blanks */ X if( *s == '\0' ) return( NULL ); X X for( k=KeyStr; /* extract keyword portion */ X *s != ' ' && *s != '\0' && *s != '='; X *k++ = *s++ ) ; X *k = '\0'; X kw->Key = KeyStr; X kw->Val = v = NULL; X kw->vt = None; X X for( ; *s == ' '; s++ ) ; /* skip over blanks */ X if( *s != '=' ) /* look for "=" */ X return( s ); X X for( s++ ; *s == ' '; s++ ) ; /* skip over blanks */ X if( *s == '\'' || *s == '\"' ) /* get string delimiter */ X t = *s++; X else X t = ' '; X for( v=ValStr; /* copy value portion up to delim */ X *s != t && *s != '\0'; X *v++ = *s++ ) ; X if( t != ' ' && *s == t ) s++; X *v = '\0'; X kw->Val = ValStr; X kw->vt = String; X X return( s ); X} X X X/*-->GetKeyVal*/ X/**********************************************************************/ X/***************************** GetKeyVal ****************************/ X/**********************************************************************/ X X /* get next keyword-value pair X * decode value according to table entry X */ X Xint GetKeyVal( kw, tab, nt, tno) XKeyWord *kw; XKeyDesc tab[]; Xint nt; Xint *tno; X{ X int i; X char c = '\0'; X X *tno = -1; X X for(i=0; i<nt; i++) X if( IsSame(kw->Key, tab[i].Entry) ) { X *tno = i; X switch( tab[i].Type ) { X case None: X if( kw->vt != None ) return( FALSE ); X break; X case String: X if( kw->vt != String ) return( FALSE ); X break; X case Integer: X if( kw->vt != String ) return( FALSE ); X if( sscanf(kw->Val,"%d%c", &(kw->v.i), &c) != 1 X || c != '\0' ) return( FALSE ); X break; X case Number: X case Dimension: X if( kw->vt != String ) return( FALSE ); X if( sscanf(kw->Val,"%f%c", &(kw->v.n), &c) != 1 X || c != '\0' ) return( FALSE ); X break; X } X kw->vt = tab[i].Type; X return( TRUE ); X } X X return( TRUE ); X} X#endif X X/*-->HasBeenRead*/ X/**********************************************************************/ X/*************************** HasBeenRead ****************************/ X/**********************************************************************/ X Xint XHasBeenRead(k) Xint k; X{ X struct font_entry *ptr; X X ptr = hfontptr; X while ((ptr!=NULL) && (ptr->k!=k)) X ptr = ptr->next; X return( ptr != NULL ); X} X X X/*-->IsSame*/ X/**********************************************************************/ X/******************************* IsSame *****************************/ X/**********************************************************************/ X Xint IsSame(a, b) /* compare strings, ignore case */ Xchar *a, *b; X{ X for( ; *a != '\0'; ) X if( tolower(*a++) != tolower(*b++) ) return( FALSE ); X return( *a == *b ? TRUE : FALSE ); X} X X X/*-->lcase*/ X/**********************************************************************/ X/**************************** lcase *********************************/ X/**********************************************************************/ X Xvoid lcase(s) Xchar *s; X{ X char *t; X for(t=s; *t != '\0'; t++) X *t = tolower(*t); X return; X} X X X/*-->MoveDown*/ X/**********************************************************************/ X/**************************** MoveDown ******************************/ X/**********************************************************************/ X Xvoid XMoveDown(a) Xint a; X{ X v += a; X} X X X/*-->MoveOver*/ X/**********************************************************************/ X/**************************** MoveOver ******************************/ X/**********************************************************************/ X Xvoid XMoveOver(b) Xint b; X{ X h += b; X} X X X/*-->NoSignExtend*/ X/**********************************************************************/ X/*************************** NoSignExtend ***************************/ X/**********************************************************************/ X Xint XNoSignExtend(fp, n) /* return n byte quantity from file fd */ Xregister FILE *fp; /* file pointer */ Xregister int n; /* number of bytes */ X X{ X register int x; /* number being constructed */ X X x = getc(fp); X while (--n) { X x <<= 8; X x |= getc(fp); X } X return(x); X} X X X/*-->OpenFontFile*/ X/**********************************************************************/ X/************************** OpenFontFile *****************************/ X/**********************************************************************/ X Xvoid XOpenFontFile() X/*********************************************************************** X The original version of this dvi driver reopened the font file each X time the font changed, resulting in an enormous number of relatively X expensive file openings. This version keeps a cache of up to X MAXOPEN open files, so that when a font change is made, the file X pointer, pxlfp, can usually be updated from the cache. When the X file is not found in the cache, it must be opened. In this case, X the next empty slot in the cache is assigned, or if the cache is X full, the least used font file is closed and its slot reassigned for X the new file. Identification of the least used file is based on the X counts of the number of times each file has been "opened" by this X routine. On return, the file pointer is always repositioned to the X beginning of the file. X X***********************************************************************/ X{ X register int i,least_used,current; X int firsttime = 1; X X#ifdef DEBUG X if (Debug) X (void) printf("Open Font file\n"); X#endif X if (pfontptr == fontptr) X return; /* we need not have been called */ X X for (current = 1; X (current <= nopen) && X (pixel_files[current].font_entry != fontptr); X ++current) X ; /* try to find file in open list */ X X if (current <= nopen) /* file already open */ X { X if( (pxlfp = pixel_files[current].pixel_file_id) != NO_FILE ) X (void) fseek(pxlfp,(long)0,0); /* reposition to start of file */ X } X else while (1) { /* file not in open list */ X if (firsttime && nopen < MAXOPEN) /* just add it to list */ X current = ++nopen; X else { /* list full -- find least used file, */ X /* close it, and reuse slot for new file */ X FILE *fid; X X least_used = 1; X for (i = 2; i <= nopen; ++i) X if (pixel_files[least_used].use_count > X pixel_files[i].use_count) X least_used = i; X fid = pixel_files[least_used].pixel_file_id; X if (fid != NO_FILE) { X struct font_entry *fp = pixel_files[least_used].font_entry; X X fp->font_file_id = NULL; X#ifdef STATS X if (Stats) X (void) fprintf(stderr, "PXL file %s closed.\n", fp->name); X#endif X (void) fclose( fid ); X } X current = least_used; X } X firsttime = 0; X /* it seems we have to use open/fdopen on Suns to get the errno */ X if ((i = open(fontptr->name, O_RDONLY)) < 0) { X if (errno == EMFILE) { X --nopen; X continue; X } X else { X perror(""); X Warning("PXL file %s could not be opened",fontptr->name); X pxlfp = NO_FILE; X } X } X else if ((pxlfp = fdopen(i, "r")) == NULL) { X Warning("Could not fdopen PXL file %s", fontptr->name); X pxlfp = NO_FILE; X } X else { X#ifdef STATS X if (Stats) X (void) fprintf(stderr, "PXL file %s opened.\n", fontptr->name); X#endif X } X pixel_files[current].pixel_file_id = pxlfp; X pixel_files[current].font_entry = fontptr; X pixel_files[current].use_count = 0; X break; X } X pfontptr = fontptr; /* make previous = current font */ X fontptr->font_file_id = pxlfp; /* set file identifier */ X pixel_files[current].use_count++; /* update reference count */ X} X X#ifdef CREOPT X/*-->OpenOutput*/ /* generate a unique file name and open it */ X/**********************************************************************/ X/*************************** OpenOutput *******************************/ X/**********************************************************************/ X X XFILE* XOpenOutput() X{ X FILE* fp; X long t; X int n = 0; X char *p, *pp, b[256]; X int nd; X X time( &t ); X t = t % 100000; X (void) strcpy( outfname, SPOOLFILE ); X (void) sprintf( b, "%s.%s.%x", logname(), rootname, t ); X if( (nd=strlen(b)-MAXFLEN) > 0 ) { X for(pp=(p=rindex(b,'.')); p && *p != '\0'; *(pp-nd) = *p++, pp++) ; X *(pp-nd) = '\0'; X } X (void) strcat( outfname, b ); X X while( access(outfname,0) == 0 ) { X n += 1; X if( n > 10 ) X Fatal( "Unable to create a unique output file name: %s\n", outfname ); X (void) strcpy( outfname, SPOOLFILE ); X (void) sprintf( b, "%s.%s.%x.%d", logname(), rootname, t, n ); X if( (nd=strlen(b)-MAXFLEN) > 0 ) { X for(pp=(p=rindex(b,'.')); p && *p != '\0'; *(pp-nd) = *p++, pp++) ; X *(pp-nd) = '\0'; X } X (void) strcat( outfname, b ); X } X X if( (fp=fopen(outfname,"w")) == NULL ) X Fatal("Unable to create output file: %s\n", outfname); X X return( fp ); X} X#endif CREOPT X X/*-->PixRound*/ X/**********************************************************************/ X/***************************** PixRound *****************************/ X/**********************************************************************/ X Xint XPixRound(x, conv) /* return rounded number of pixels */ X register int x; /* in DVI units */ X int conv; /* conversion factor */ X{ X int sign = 0; X if (x < 0) { X sign++; X x = -x; X } X x = (int)((x + (conv >> 1)) / conv); X if (sign) X x = -x; X return x; X} X X X/*-->PutInt*/ X/**********************************************************************/ X/***************************** PutInt *******************************/ X/**********************************************************************/ X Xvoid XPutInt(n) /* output an integer followed by a space */ Xregister int n; X{ X char buf[10]; X register char *b; X X if( n == 0 ) X EMITC('0'); X else { X if( n < 0 ) { X EMITC('-'); X n = -n; X } X X for(b=buf; n>0; ) { X *b++ = digit[n%10]; X n /= 10; X } X X for( ; b>buf; ) X EMITC(*--b); X } X X EMITC(' '); X} X X X/*-->PutOct*/ X/**********************************************************************/ X/***************************** PutOct *******************************/ X/**********************************************************************/ X Xvoid XPutOct(n) /* output an 3 digit octal number preceded by a "\" */ Xregister int n; X{ X EMITC( '\\' ); X EMITC( digit[(n&0300)>>6] ); X EMITC( digit[(n&0070)>>3] ); X EMITC( digit[n&0007] ); X} X X X/*-->ReadFontDef*/ X/**********************************************************************/ X/**************************** ReadFontDef ***************************/ X/**********************************************************************/ X Xint XReadFontDef(k) Xint k; X{ X int t, i; X register struct font_entry *tfontptr;/* temporary font_entry pointer */ X register struct char_entry *tcharptr;/* temporary char_entry pointer */ X int nmag; X char nname[128]; X X if ((tfontptr = NEW(struct font_entry)) == NULL) X Fatal("can't malloc space for font_entry"); X tfontptr->next = hfontptr; X tfontptr->font_file_id = NULL; X fontptr = hfontptr = tfontptr; X X tfontptr->ncdl = 0; X#ifdef STATS X tfontptr->nbpxl = 0; X tfontptr->ncts = 0; X#endif X X tfontptr->k = k; X tfontptr->c = NoSignExtend(dvifp, 4); /* checksum */ X tfontptr->s = NoSignExtend(dvifp, 4); /* space size */ X tfontptr->d = NoSignExtend(dvifp, 4); /* design size */ X tfontptr->a = NoSignExtend(dvifp, 1); /* area length for font name */ X tfontptr->l = NoSignExtend(dvifp, 1); /* device length */ X GetBytes(dvifp, tfontptr->n, tfontptr->a+tfontptr->l); X tfontptr->n[tfontptr->a+tfontptr->l] = '\0'; X tfontptr->font_space = tfontptr->s/6; /* never used */ X tfontptr->font_mag = (int)((ActualFactor((int)(((float)tfontptr->s/ X (float)tfontptr->d)*1000.0 + 0.5)) * X#ifdef USEGLOBALMAG X ActualFactor(mag) * X#endif X (float)RESOLUTION * 5.0) + 0.5); X X if ((t = findfile(PXLvec,nPXLvec,"", X tfontptr->n,tfontptr->font_mag,tfontptr->name, X nname, &nmag)) == 0) X Fatal("no font %s.%d",tfontptr->n,mag); X X if (tfontptr != pfontptr) X OpenFontFile(); X if ( pxlfp == NO_FILE ) { /* allow missing pxl files */ X tfontptr->magnification = 0; X tfontptr->designsize = 0; X for (i = FIRSTPXLCHAR; i <= LASTPXLCHAR; i++) { X tcharptr = &(tfontptr->ch[i]); X tcharptr->width = 0; X tcharptr->height = 0; X tcharptr->xOffset= 0; X tcharptr->yOffset = 0; X tcharptr->where.isloaded = 0; X tcharptr->where.address.fileOffset = NONEXISTANT; X tcharptr->tfmw = 0; X } X return; X } X X tfontptr->type = (t == -1) ? FONT_PXL : FONT_PK; X X if (tfontptr->type == FONT_PXL) { /* PXL file */ X if ((t = NoSignExtend(pxlfp, 4)) != PXLID) X Fatal("PXL ID = %d, can only process PXL ID = %d files", X t, PXLID); X (void) fseek(pxlfp, (long)-20, 2); X t = NoSignExtend(pxlfp, 4); X if ((tfontptr->c != 0) && (t != 0) && (tfontptr->c != t)) X Warning("font = \"%s\",\n\ X-->font checksum = %d,\n\ X-->dvi checksum = %d", X tfontptr->name, tfontptr->c, t); X tfontptr->magnification = NoSignExtend(pxlfp, 4); X tfontptr->designsize = NoSignExtend(pxlfp, 4); X X (void) fseek(pxlfp, (long) (NoSignExtend(pxlfp, 4) * 4), 0); X X for (i = FIRSTPXLCHAR; i <= LASTPXLCHAR; i++) { X tcharptr = &(tfontptr->ch[i]); X tcharptr->width = NoSignExtend(pxlfp, 2); X tcharptr->height = NoSignExtend(pxlfp, 2); X tcharptr->xOffset= SignExtend(pxlfp, 2); X tcharptr->yOffset = SignExtend(pxlfp, 2); X tcharptr->where.isloaded = 0; X tcharptr->where.address.fileOffset = NoSignExtend(pxlfp, 4) * 4; X tcharptr->tfmw = ((float)NoSignExtend(pxlfp, 4) * X (float)tfontptr->s) / X (float)(1<<20); X tcharptr->kern = 0; X } X } X else { /* PK file */ X int hppp, vppp; X X if (NoSignExtend(pxlfp, 1) != PK_PRE) X Fatal("Pre command missing from PK file"); X if ((t = NoSignExtend(pxlfp, 1)) != PK_ID) X Fatal("PK ID = %d, can only process PK ID = %d files", X t, PK_ID); X /* throw away comment */ X for (i = NoSignExtend(pxlfp, 1); i > 0; i--) X (void) NoSignExtend(pxlfp, 1); X tfontptr->designsize = NoSignExtend(pxlfp, 4); X t = NoSignExtend(pxlfp, 4); X if ((tfontptr->c != 0) && (t != 0) && (tfontptr->c != t)) X Warning("font = \"%s\",\n\ X-->font checksum = %d,\n\ X-->dvi checksum = %d", X tfontptr->name, tfontptr->c, t); X hppp = NoSignExtend(pxlfp, 4); X vppp = NoSignExtend(pxlfp, 4); X if (hppp != vppp) X Warning("font = \"%s\" - aspect ratio not 1:1", tfontptr->name); X tfontptr->magnification = hppp * 72.27 * (float)5/65536 + 0.5; X /* don't read all character info now - just mark them as pk data */ X for (i = FIRSTPXLCHAR; i < LASTPXLCHAR; i++) { X tcharptr = &(tfontptr->ch[i]); X tcharptr->where.isloaded = 0; X tcharptr->where.address.fileOffset = 0; X } X tfontptr->offset = ftell(pxlfp); X } X} X X X/*-->ReadPostAmble*/ X/**********************************************************************/ X/************************** ReadPostAmble ***************************/ X/**********************************************************************/ X Xvoid XReadPostAmble(load) Xint load; X/*********************************************************************** X This routine is used to read in the postamble values. It X initializes the magnification and checks the stack height prior to X starting printing the document. X***********************************************************************/ X{ X FindPostAmblePtr (&postambleptr); X if (NoSignExtend(dvifp, 1) != POST) X Fatal ("POST missing at head of postamble"); X#ifdef DEBUG X if (Debug) X (void) fprintf (stderr, "got POST command\n"); X#endif X ppagep = NoSignExtend(dvifp, 4); X num = NoSignExtend(dvifp, 4); X den = NoSignExtend(dvifp, 4); X mag = NoSignExtend(dvifp, 4); X#ifdef USEGLOBALMAG X if( usermag > 0 && usermag != mag ) X (void) fprintf(stderr, "DVI magnification of %d over-ridden by user mag of %d\n", mag, usermag ); X#endif X if( usermag > 0 ) mag = usermag; X#ifndef USEGLOBALMAG X if( mag != 1000 ) X (void) fprintf(stderr, "Magnification of %d ignored.\n", mag); X#endif X hconv = DoConv(num, den, hconvRESOLUTION); X vconv = DoConv(num, den, vconvRESOLUTION); X X (void) NoSignExtend(dvifp, 4); /* height-plus-depth of tallest page */ X (void) NoSignExtend(dvifp, 4); /* width of widest page */ X if (NoSignExtend(dvifp, 2) >= STACKSIZE) X Fatal ("Stack size is too small"); X (void) NoSignExtend(dvifp, 2); /* this reads the number of pages in */ X /* the DVI file */ X#ifdef DEBUG X if (Debug) X (void) fprintf (stderr, "now reading font defs"); X#endif X if (load) GetFontDef (); X} X X X/*-->SetChar*/ X/**********************************************************************/ X/***************************** SetChar ******************************/ X/**********************************************************************/ X XLoadAChar(ptr) Xregister struct char_entry *ptr; X{ X long *pr; X register int nints; X X if (ptr->where.address.fileOffset == NONEXISTANT) { X ptr->where.address.pixptr = NULL; X ptr->where.isloaded = loadpass; X return; X } X X if (ptr->where.isloaded == 0) { X /* haven't had this character before */ X OpenFontFile(); X if (fontptr->type == FONT_PXL) { /* this is a PXL file */ X (void) fseek(pxlfp, ptr->where.address.fileOffset, 0); X nints = ((ptr->width + 31) >> 5) * ptr->height; X pr = (long *)malloc((unsigned)(nints*sizeof(long)) ); X if (pr == NULL) X Fatal("Unable to allocate memory for char\n"); X (void) fread((char *)pr, 4, nints, pxlfp); X ptr->where.address.pixptr = pr; X } X else { /* this is a PK file */ X int packet_length, raster_length; X X if (ptr->where.address.fileOffset == 0) { X int car; X FlagByte flag; X X /* look for char in PK file */ X (void) fseek(pxlfp, fontptr->offset, 0); X flag = SkipSpecials(); X while (flag.code != PK_POST && X ptr->where.address.fileOffset == 0) { X fontptr->offset = ftell(pxlfp) - 1; X if (flag.extended) { X if (flag.length_prefix == 3) { X /* long character preamble */ X packet_length = NoSignExtend(pxlfp, 4); X car = NoSignExtend(pxlfp, 4); X } X else { X /* extended short character preamble */ X packet_length = (flag.length_prefix << 16) + X NoSignExtend(pxlfp, 2); X car = NoSignExtend(pxlfp, 1); X } X } X else { X /* short character preamble */ X packet_length = (flag.length_prefix << 8) + X NoSignExtend(pxlfp, 1); X car = NoSignExtend(pxlfp, 1); X } X if (car > 127 || car < 0) X Warning("Character %d in font %s out of range", X car, fontptr->name); X else X fontptr->ch[car].where.address.fileOffset = X fontptr->offset; X#ifdef notdef X fprintf(stderr, "font %s: flag %d car %d pl %d dyn_f %d\n", X fontptr->name, flag.code, car, packet_length, X flag.dyn_f); X#endif notdef X /* just make a note of where this character is, and then X skip past it */ X if (packet_length <= 0) X Fatal("Bad packet length %d in %s", X packet_length, fontptr->name); X (void) fseek(pxlfp, (long)packet_length, 1); X flag = SkipSpecials(); X } X } X if (ptr->where.address.fileOffset == 0) X Fatal("Character missing from font"); X (void) fseek(pxlfp, ptr->where.address.fileOffset, 0); X ptr->flag.code = NoSignExtend(pxlfp, 1); X if (ptr->flag.extended) { X if (ptr->flag.length_prefix == 3) { X /* read long preamble */ X packet_length = NoSignExtend(pxlfp, 4); X (void) NoSignExtend(pxlfp, 4); /* car */ X ptr->tfmw = ((float)NoSignExtend(pxlfp, 4) * X (float)fontptr->s) / X (float)(1<<20); X (void) NoSignExtend(pxlfp, 4); /* hor_esc */ X (void) NoSignExtend(pxlfp, 4); /* ver_esc */ X ptr->width = NoSignExtend(pxlfp, 4); X ptr->height = NoSignExtend(pxlfp, 4); X ptr->xOffset = SignExtend(pxlfp, 4); X ptr->yOffset = SignExtend(pxlfp, 4); X raster_length = packet_length - 24; X } X else { X /* read extended short preamble */ X packet_length = ((ptr->flag.length_prefix) << 16) + X NoSignExtend(pxlfp, 2); X (void) NoSignExtend(pxlfp, 1); /* car */ X ptr->tfmw = (NoSignExtend(pxlfp, 1) << 16); X ptr->tfmw += NoSignExtend(pxlfp, 2); X ptr->tfmw = ((float)ptr->tfmw * (float)fontptr->s) / X (float)(1<<20); X (void) NoSignExtend(pxlfp, 2); /* hor_esc */ X ptr->width = NoSignExtend(pxlfp, 2); X ptr->height = NoSignExtend(pxlfp, 2); X ptr->xOffset = SignExtend(pxlfp, 2); X ptr->yOffset = SignExtend(pxlfp, 2); X raster_length = packet_length - 13; X } X } X else { X /* read short preamble */ X packet_length = ((ptr->flag.length_prefix) << 8) X + NoSignExtend(pxlfp, 1); X (void) NoSignExtend(pxlfp, 1); /* car */ X ptr->tfmw = (NoSignExtend(pxlfp, 1) << 16); X ptr->tfmw += NoSignExtend(pxlfp, 2); X ptr->tfmw = ((float)ptr->tfmw * (float)fontptr->s) / X (float)(1<<20); X (void) NoSignExtend(pxlfp, 1); /* hor_esc */ X ptr->width = NoSignExtend(pxlfp, 1); X ptr->height = NoSignExtend(pxlfp, 1); X ptr->xOffset = SignExtend(pxlfp, 1); X ptr->yOffset = SignExtend(pxlfp, 1); X raster_length = packet_length - 8; X } X pr = (long *)malloc((unsigned)raster_length); X if (pr == NULL) X Fatal("Unable to allocate memory for char\n"); X (void) fread((char *)pr, raster_length, 1, pxlfp); X ptr->where.address.pixptr = pr; X#ifdef notdef X fprintf(stderr, "PK Char: t=%d, w=%d, h=%d, x=%d, y=%d\n", X ptr->tfmw, ptr->width, ptr->height, X ptr->xOffset, ptr->yOffset); X#endif X } X } X ptr->where.isloaded = loadpass; X X EmitChar(ptr); X /* we should really free the space used by the PXL data after this X point, but it is not large, and besides, we may want to be X more clever in the future, about sending bitmaps. So keep X the data around */ X} X XFlagByte XSkipSpecials() X{ X int i; X FlagByte flag; X X do { X flag.code = NoSignExtend(pxlfp, 1); X if (flag.code >= 240) { X switch (flag.code) { X case 240: case 241: case 242: case 243: X for (i = NoSignExtend(pxlfp, flag.code-240+1); i > 0; i--) X NoSignExtend(pxlfp, 1); X break; X case 244: X (void) NoSignExtend(pxlfp, 4); X break; X case 245: case 246: X break; X default: X Fatal("Unexpected %d !", flag); X } X } X } while (flag.code >= 240 && flag.code != PK_POST); X return flag; X} X Xvoid XSetChar(c, command, PassNo) Xint c, command, PassNo; X{ X register struct char_entry *ptr; /* temporary char_entry pointer */ X X ptr = &(fontptr->ch[c]); X X if (PassNo == 0) { X if (ptr->where.isloaded != loadpass) X LoadAChar(ptr); X return; X } X X SetPosn(h,v,ptr->kern); X SetXFont(ptr->where.xfont); X if (fontptr->font_file_id != NO_FILE) { /* ignore missing fonts */ X EMITC(ptr->where.glyph); X hh += ptr->realw; X } X X if (command <= SET4) X h += ptr->tfmw; X X#ifdef STATS X Stnc += 1; X fontptr->ncts += 1; X#endif X} X X X/*-->SetFntNum*/ X/**********************************************************************/ X/**************************** SetFntNum *****************************/ X/**********************************************************************/ X Xvoid XSetFntNum(k) Xint k; X X/* this routine is used to specify the font to be used in printing future X characters */ X X{ X fontptr = hfontptr; X while ((fontptr!=NULL) && (fontptr->k!=k)) X fontptr = fontptr->next; X if (fontptr == NULL) X Fatal("font %d undefined", k); X} X Xvoid XSetXFont(xfont) X struct xfont *xfont; X{ X register int i; X int minused = 0; X X if (xfont == 0) X return; X if (curxfont == xfont) { X curxfont->usage++; X return; X } X for (i = 0; i < MAXFONTID && assigned_font[i]; i++) { X if (assigned_font[i] == xfont) { X EMIT(outfp,"%c%d",ESC,i); X curxfont = xfont; X curxfont->usage++; X return; X } X if (assigned_font[i]->usage < assigned_font[minused]->usage) X minused = i; X } X if (i >= MAXFONTID) X i = minused; X EMIT(outfp,"%c+%d%s\n%c%d",ESC,i,xfont->xname,ESC,i); X assigned_font[i] = curxfont = xfont; X xfont->usage = 1; X} X X/*-->SetPosn*/ X/**********************************************************************/ X/***************************** SetPosn ******************************/ X/**********************************************************************/ X Xvoid XSetPosn(x, y, kern) /* output a positioning command */ Xint x, y; X{ X int rx,ry; X rx = PixRound(x-hh, hconv) - kern; X ry = PixRound(y-vv, vconv); X#ifdef USERELPOS X if (ry == 0) { /* use relative movement if just moving horizontally */ X if (rx != 0) { X if (rx > 0) { X if (rx < 4) { X if (rx & 2) X EMITC(MINCH+2); X if (rx & 1) X EMITC(MINCH+1); X } X else X EMIT(outfp, "%crr%d ", ESC, rx); X } X else X EMIT(outfp, "%crl%d ", ESC, -rx); X hh += rx*hconv; X } X } X else if (rx == 0) { X if (ry > 0) X EMIT(outfp, "%crd%d ", ESC, ry); X else X EMIT(outfp, "%cru%d ", ESC, -ry); X vv += ry*vconv; X } X else { X#endif X EMIT(outfp, "%ca%d,%d\n", ESC, X (LEFT+(rx=PixRound(x,hconv))), X (TOP-(ry=PixRound(y,vconv)))); X /* must know "real" position on device for relative positioning */ X hh = rx*hconv; X vv = ry*vconv; X#ifdef USERELPOS X } X#endif X} X X X/*-->SetRule*/ X/**********************************************************************/ X/***************************** SetRule ******************************/ X/**********************************************************************/ X Xvoid XSetRule(a, b, Set) Xint a, b; XBOOLEAN Set; X X{ /* this routine will draw a rule */ X X if( a > 0 && b > 0 ) { X if (a > b) X EMIT(outfp,"%cy%d,%d,%d,%d\n",ESC, X LEFT+PixRound(h,hconv),TOP-PixRound(v,vconv), X PixRound(a,vconv),PixRound(b,hconv)); X else X EMIT(outfp,"%cx%d,%d,%d,%d\n",ESC, X LEFT+PixRound(h,hconv),TOP-PixRound(v,vconv), X PixRound(b,hconv),PixRound(a,vconv)); X } X if (Set) X h += b; X} X X X/*-->SetString*/ X/**********************************************************************/ X/***************************** SetString ****************************/ X/**********************************************************************/ X#ifdef notdef Xvoid XSetString(firstch, PassNo) /* read and set a consecutive string of chars */ Xint firstch, PassNo; X{ X char s[256]; X register char *sp; X register int c; X register struct char_entry *ptr; X int len; X X /* read entire string of chars */ X X for(c = firstch, sp = s; c >= SETC_000 && c <= SETC_127; ) { X *sp++ = c; X c = NoSignExtend(dvifp, 1); X } X (void) fseek(dvifp, (long) -1, 1); /* backup one character */ X X len = sp - s; /* NULL's are valid chars, so cant use for string termination */ X X /* ensure that all characters are loaded, */ X X for(sp = s; sp < s+len; sp++) { X ptr = &(fontptr->ch[*sp]); X if(ptr->where.isloaded != loadpass) X LoadAChar(ptr); X } X X /* emit the instructions */ X X if( PassNo == 0 ) return; X SetPosn(h, v, 0); X for( sp=s; sp < s+len; sp++) { X ptr = &(fontptr->ch[*sp]); X if( fontptr->font_file_id != NO_FILE ) { /* ignore missing fonts */ X SetXFont(ptr->where.xfont); X EMITC(ptr->where.glyph); X hh += ptr->realw; X } X h += ptr->tfmw; X } X X#ifdef STATS X Stnc += len; X fontptr->ncts += len; X#endif X} X#endif X X/*-->SignExtend*/ X/**********************************************************************/ X/**************************** SignExtend ****************************/ X/**********************************************************************/ X Xint XSignExtend(fp, n) /* return n byte quantity from file fd */ Xregister FILE *fp; /* file pointer */ Xregister int n; /* number of bytes */ X X{ X int n1; /* number of bytes */ X register int x; /* number being constructed */ X X x = getc(fp); /* get first (high-order) byte */ X n1 = n--; X while (n--) { X x <<= 8; X x |= getc(fp); X } X X /* NOTE: This code assumes that the right-shift is an arithmetic, rather X than logical, shift which will propagate the sign bit right. According X to Kernighan and Ritchie, this is compiler dependent! */ X X x<<=32-8*n1; X x>>=32-8*n1; /* sign extend */ X X#ifdef DEBUG X if (Debug) X { X (void) fprintf(stderr,"\tSignExtend(fp,%d)=%X\n",n1,x); X } X#endif X return(x); X} X X X/*-->SkipFontDef*/ X/**********************************************************************/ X/**************************** SkipFontDef ***************************/ X/**********************************************************************/ X Xvoid XSkipFontDef(k) Xint k; X{ X int a, l; X char n[STRSIZE]; X X (void) NoSignExtend(dvifp, 4); X (void) NoSignExtend(dvifp, 4); X (void) NoSignExtend(dvifp, 4); X a = NoSignExtend(dvifp, 1); X l = NoSignExtend(dvifp, 1); X GetBytes(dvifp, n, a+l); X} X X X/*-->Warning*/ X/**********************************************************************/ X/***************************** Warning ******************************/ X/**********************************************************************/ X/*VARARGS1*/ X Xvoid XWarning(fmt, a, b, c) /* issue a warning */ Xchar *fmt; /* format */ Xchar *a, *b, *c; /* arguments */ X{ X if (G_logging == 0) X { X if (G_logfile) X G_logfp=fopen(G_Logname,"w+"); X else { X G_logfp=stderr; X if( G_nowarn ) return; X } X G_logging = 1; X if (G_logfp == NULL) G_logging = -1; X } X X G_errenc = TRUE; X if (G_logging == 1) X { X (void) fprintf(G_logfp, fmt, a, b, c); X (void) fprintf(G_logfp,"\n"); X } X} X X / echo 'Part 01 of DVI -> 2700 driver complete.' exit -- UUCP: ...!mcvax!ukc!warwick!cudcv PHONE: +44 203 523037 JANET: cudcv@uk.ac.warwick.daisy ARPA: cudcv@daisy.warwick.ac.uk Rob McMahon, Computing Services, Warwick University, Coventry CV4 7AL, England