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1 |
/* Unicode | PostScript
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* start end | offset font name
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* 0x0000 0x00ff 0x00 LucidaSansUnicode00
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4 |
*/
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5 |
#include <u.h>
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#include <libc.h>
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7 |
#include <bio.h>
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8 |
#include "common.h"
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9 |
#include "tr2post.h"
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10 |
#include "comments.h"
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11 |
#include "path.h"
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12 |
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13 |
/* Postscript font names, e.g., `LucidaSansUnicode00'
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14 |
* names may only be added because reference to the
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15 |
* names is made by indexing into this table.
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*/
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17 |
static struct pfnament *pfnafontmtab = 0;
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18 |
static int pfnamcnt = 0;
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19 |
int curpostfontid = -1;
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20 |
int curfontsize = -1;
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21 |
int curtrofffontid = -1;
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22 |
static int curfontpos = -1;
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23 |
static int fontheight = 0;
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24 |
static int fontslant = 0;
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25 |
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26 |
/* This is troffs mounted font table. It is an anachronism resulting
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27 |
* from the design of the APS typesetter. fontmnt is the
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28 |
* number of positions available. fontmnt is really 11, but
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29 |
* should not be limited.
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30 |
*/
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31 |
int fontmnt = 0;
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32 |
char **fontmtab;
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33 |
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34 |
struct troffont *troffontab = 0;
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35 |
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36 |
int troffontcnt = 0;
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37 |
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38 |
void
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39 |
mountfont(int pos, char *fontname) {
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40 |
int i;
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41 |
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42 |
if (debug) fprint(2, "mountfont(%d, %s)\n", pos, fontname);
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43 |
if (pos < 0 || pos >= fontmnt)
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44 |
error(FATAL, "cannot mount a font at position %d,\n can only mount into postions 0-%d\n",
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45 |
pos, fontmnt-1);
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46 |
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47 |
i = strlen(fontname);
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48 |
fontmtab[pos] = galloc(fontmtab[pos], i+1, "mountfont():fontmtab");
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49 |
strcpy(fontmtab[pos], fontname);
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50 |
if (curfontpos == pos) curfontpos = -1;
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51 |
}
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52 |
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53 |
void
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54 |
settrfont(void) {
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55 |
if (curfontpos == fontpos) return;
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56 |
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57 |
if (fontmtab[fontpos] == 0)
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58 |
error(FATAL, "Font at position %d was not initialized, botch!\n", fontpos);
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59 |
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60 |
curtrofffontid = findtfn(fontmtab[fontpos], 1);
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61 |
if (debug) fprint(2, "settrfont()-> curtrofffontid=%d\n", curtrofffontid);
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curfontpos = fontpos;
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63 |
if (curtrofffontid < 0) {
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64 |
int i;
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65 |
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66 |
error(WARNING, "fontpos=%d\n", fontpos);
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67 |
for (i=0; i<fontmnt; i++)
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68 |
if (fontmtab[i] == 0)
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69 |
error(WARNING, "fontmtab[%d]=0x0\n", i);
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70 |
else
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71 |
error(WARNING, "fontmtab[%d]=%s\n", i, fontmtab[i]);
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72 |
exits("settrfont()");
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73 |
}
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74 |
}
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75 |
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76 |
void
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77 |
setpsfont(int psftid, int fontsize) {
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78 |
if (psftid == curpostfontid && fontsize == curfontsize) return;
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79 |
if (psftid >= pfnamcnt)
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80 |
error(FATAL, "Postscript font index=%d used but not defined, there are only %d fonts\n",
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81 |
psftid, pfnamcnt);
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82 |
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83 |
endstring();
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84 |
if (pageon()) {
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85 |
Bprint(Bstdout, "%d /%s f\n", fontsize, pfnafontmtab[psftid].str);
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86 |
if ( fontheight != 0 || fontslant != 0 )
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87 |
Bprint(Bstdout, "%d %d changefont\n", fontslant, (fontheight != 0) ? fontheight : fontsize);
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88 |
pfnafontmtab[psftid].used = 1;
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89 |
curpostfontid = psftid;
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90 |
curfontsize = fontsize;
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91 |
}
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92 |
}
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93 |
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94 |
/* find index of PostScript font name in table
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* returns -1 if name is not in table
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96 |
* If insflg is not zero
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97 |
* and the name is not found in the table, insert it.
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98 |
*/
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99 |
int
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100 |
findpfn(char *fontname, int insflg) {
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101 |
char *tp;
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102 |
int i;
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103 |
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104 |
for (i=0; i<pfnamcnt; i++) {
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105 |
if (strcmp(pfnafontmtab[i].str, fontname) == 0)
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106 |
return(i);
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107 |
}
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108 |
if (insflg) {
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109 |
tp = galloc(pfnafontmtab, sizeof(struct pfnament)*(pfnamcnt+1), "findpfn():pfnafontmtab");
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110 |
if (tp == 0)
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111 |
return(-2);
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112 |
pfnafontmtab = (struct pfnament *)tp;
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113 |
i = strlen(fontname);
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114 |
pfnafontmtab[pfnamcnt].str = galloc(0, i+1, "findpfn():pfnafontmtab[].str");
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115 |
strncpy(pfnafontmtab[pfnamcnt].str, fontname, i);
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116 |
pfnafontmtab[pfnamcnt].str[i] = '\0';
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117 |
pfnafontmtab[pfnamcnt].used = 0;
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118 |
return(pfnamcnt++);
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119 |
}
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120 |
return(-1);
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121 |
}
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122 |
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123 |
char postroffdirname[] = "/sys/lib/postscript/troff"; /* "/sys/lib/postscript/troff/"; */
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124 |
char troffmetricdirname[] = "/sys/lib/troff/font"; /* "/sys/lib/troff/font/devutf/"; */
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125 |
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126 |
int
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127 |
readpsfontdesc(char *fontname, int trindex) {
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128 |
int errorflg = 0, line = 1, rv, start, end, offset;
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129 |
int startfont, endfont, startchar, endchar, i, pfid;
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130 |
char psfontnam[128];
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131 |
struct troffont *tp;
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132 |
Biobuf *bfd;
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133 |
Biobufhdr *Bfd;
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134 |
static char *filename = 0;
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135 |
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136 |
if (debug)
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137 |
fprint(2, "readpsfontdesc(%s,%d)\n", fontname, trindex);
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138 |
filename = galloc(filename, strlen(postroffdirname)+1+strlen(fontname)+1,
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139 |
"readpsfontdesc: cannot allocate memory\n");
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140 |
sprint(filename, "%s/%s", postroffdirname, fontname);
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141 |
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142 |
bfd = Bopen(filename, OREAD);
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143 |
if (bfd == 0) {
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144 |
error(WARNING, "cannot open file %s\n", filename);
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145 |
return(0);
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146 |
}
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147 |
Bfd = &bfd->Biobufhdr;
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148 |
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149 |
do {
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150 |
offset = 0;
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151 |
if ((rv=Bgetfield(Bfd, 'd', &start, 0)) == 0) {
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152 |
errorflg = 1;
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153 |
error(WARNING, "file %s:%d illegal start value\n", filename, line);
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154 |
} else if (rv < 0) break;
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155 |
if ((rv=Bgetfield(Bfd, 'd', &end, 0)) == 0) {
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156 |
errorflg = 1;
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157 |
error(WARNING, "file %s:%d illegal end value\n", filename, line);
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158 |
} else if (rv < 0) break;
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159 |
if (Bgetfield(Bfd, 'd', &offset, 0) < 0) {
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160 |
errorflg = 1;
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161 |
error(WARNING, "file %s:%d illegal offset value\n", filename, line);
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162 |
}
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163 |
if ((rv=Bgetfield(Bfd, 's', psfontnam, 128)) == 0) {
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164 |
errorflg = 1;
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165 |
error(WARNING, "file %s:%d illegal fontname value\n", filename, line);
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166 |
} else if (rv < 0)
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167 |
break;
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168 |
Brdline(Bfd, '\n');
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169 |
if (!errorflg) {
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170 |
struct psfent *psfentp;
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171 |
startfont = RUNEGETGROUP(start);
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172 |
startchar = RUNEGETCHAR(start);
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173 |
endfont = RUNEGETGROUP(end);
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174 |
endchar = RUNEGETCHAR(end);
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175 |
pfid = findpfn(psfontnam, 1);
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176 |
if (startfont != endfont) {
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177 |
error(WARNING, "font descriptions must not cross 256 glyph block boundary\n");
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178 |
break;
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179 |
}
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180 |
tp = &troffontab[trindex];
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181 |
tp->psfmap = galloc(tp->psfmap, ++tp->psfmapsize *
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182 |
sizeof(struct psfent),
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183 |
"readpsfontdesc():psfmap");
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184 |
psfentp = &(tp->psfmap[tp->psfmapsize-1]);
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185 |
psfentp->start = start;
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186 |
psfentp->end = end;
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187 |
psfentp->offset = offset;
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188 |
psfentp->psftid = pfid;
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189 |
if (debug) {
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190 |
fprint(2, "\tpsfmap->start=0x%x\n", start);
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191 |
fprint(2, "\tpsfmap->end=0x%x\n", end);
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192 |
fprint(2, "\tpsfmap->offset=0x%x\n", offset);
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193 |
fprint(2, "\tpsfmap->pfid=0x%x\n", pfid);
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194 |
}
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195 |
SET(i);
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196 |
USED(i, startchar, endchar);
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197 |
/*
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|
198 |
for (i=startchar; i<=endchar; i++) {
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|
199 |
tp->charent[startfont][i].postfontid = pfid;
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200 |
tp->charent[startfont][i].postcharid = i + offset - startchar;
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201 |
}
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202 |
*/
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203 |
if (debug) {
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204 |
fprint(2, "%x %x ", start, end);
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205 |
if (offset)
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206 |
fprint(2, "%x ", offset);
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207 |
fprint(2, "%s\n", psfontnam);
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|
208 |
}
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209 |
line++;
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210 |
}
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211 |
} while(errorflg != 1);
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212 |
Bterm(Bfd);
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213 |
return(1);
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214 |
}
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215 |
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216 |
int
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217 |
readtroffmetric(char *fontname, int trindex) {
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218 |
int ntoken, errorflg = 0, line = 1, rv;
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219 |
int width, flag, charnum, thisfont, thischar;
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220 |
char stoken[128], *str;
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221 |
struct charent **cp;
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222 |
BOOLEAN specharflag;
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223 |
Biobuf *bfd;
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224 |
Biobufhdr *Bfd;
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225 |
Rune troffchar, quote;
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226 |
static char *filename = 0;
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227 |
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228 |
if (debug)
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229 |
fprint(2, "readtroffmetric(%s,%d)\n", fontname, trindex);
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230 |
filename = galloc(filename, strlen(troffmetricdirname) + 4 +
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|
231 |
strlen(devname) + 1 + strlen(fontname) + 1,
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|
232 |
"readtroffmetric():filename");
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233 |
sprint(filename, "%s/dev%s/%s", troffmetricdirname, devname, fontname);
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234 |
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235 |
bfd = Bopen(filename, OREAD);
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236 |
if (bfd == 0) {
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|
237 |
error(WARNING, "cannot open file %s\n", filename);
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|
238 |
return(0);
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|
239 |
}
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|
240 |
Bfd = &bfd->Biobufhdr;
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|
241 |
do {
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|
242 |
/*
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|
243 |
* deal with the few lines at the beginning of the
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|
244 |
* troff font metric files.
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245 |
*/
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246 |
if ((rv=Bgetfield(Bfd, 's', stoken, 128)) == 0) {
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|
247 |
errorflg = 1;
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|
248 |
error(WARNING, "file %s:%d illegal token\n", filename, line);
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|
249 |
} else if (rv < 0)
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|
250 |
break;
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251 |
if (debug)
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|
252 |
fprint(2, "%s\n", stoken);
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253 |
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254 |
if (strcmp(stoken, "name") == 0) {
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255 |
if ((rv=Bgetfield(Bfd, 's', stoken, 128)) == 0) {
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|
256 |
errorflg = 1;
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|
257 |
error(WARNING, "file %s:%d illegal token\n", filename, line);
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|
258 |
} else if (rv < 0) break;
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259 |
} else if (strcmp(stoken, "named") == 0) {
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|
260 |
Brdline(Bfd, '\n');
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261 |
} else if (strcmp(stoken, "fontname") == 0) {
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|
262 |
if ((rv=Bgetfield(Bfd, 's', stoken, 128)) == 0) {
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|
263 |
errorflg = 1;
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|
264 |
error(WARNING, "file %s:%d illegal token\n", filename, line);
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|
265 |
} else if (rv < 0) break;
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|
266 |
} else if (strcmp(stoken, "spacewidth") == 0) {
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|
267 |
if ((rv=Bgetfield(Bfd, 'd', &ntoken, 0)) == 0) {
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|
268 |
errorflg = 1;
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|
269 |
error(WARNING, "file %s:%d illegal token\n", filename, line);
|
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|
270 |
} else if (rv < 0) break;
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|
271 |
troffontab[trindex].spacewidth = ntoken;
|
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|
272 |
thisfont = RUNEGETGROUP(' ');
|
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|
273 |
thischar = RUNEGETCHAR(' ');
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|
274 |
for (cp = &(troffontab[trindex].charent[thisfont][thischar]); *cp != 0; cp = &((*cp)->next))
|
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|
275 |
if ((*cp)->name)
|
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|
276 |
if (strcmp((*cp)->name, " ") == 0)
|
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|
277 |
break;
|
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|
278 |
|
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|
279 |
if (*cp == 0) *cp = galloc(0, sizeof(struct charent), "readtroffmetric:charent");
|
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|
280 |
(*cp)->postfontid = thisfont;
|
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|
281 |
(*cp)->postcharid = thischar;
|
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|
282 |
(*cp)->troffcharwidth = ntoken;
|
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|
283 |
(*cp)->name = galloc(0, 2, "readtroffmetric: char name");
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|
284 |
(*cp)->next = 0;
|
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|
285 |
strcpy((*cp)->name, " ");
|
|
|
286 |
} else if (strcmp(stoken, "special") == 0) {
|
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|
287 |
troffontab[trindex].special = TRUE;
|
|
|
288 |
} else if (strcmp(stoken, "charset") == 0) {
|
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|
289 |
line++;
|
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|
290 |
break;
|
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|
291 |
}
|
|
|
292 |
if (!errorflg) {
|
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|
293 |
line++;
|
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|
294 |
}
|
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|
295 |
} while(!errorflg && rv>=0);
|
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|
296 |
while(!errorflg && rv>=0) {
|
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|
297 |
if ((rv=Bgetfield(Bfd, 's', stoken, 128)) == 0) {
|
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|
298 |
errorflg = 1;
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|
299 |
error(WARNING, "file %s:%d illegal rune token <0x%x> rv=%d\n", filename, line, troffchar, rv);
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|
300 |
} else if (rv < 0) break;
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|
301 |
if (utflen(stoken) > 1) specharflag = TRUE;
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|
302 |
else specharflag = FALSE;
|
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|
303 |
/* if this character is a quote we have to use the previous characters info */
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|
304 |
if ((rv=Bgetfield(Bfd, 'r', "e, 0)) == 0) {
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|
305 |
errorflg = 1;
|
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|
306 |
error(WARNING, "file %s:%d illegal width or quote token <0x%x> rv=%d\n",
|
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|
307 |
filename, line, quote, rv);
|
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|
308 |
} else if (rv < 0) break;
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|
309 |
if (quote == '"') {
|
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|
310 |
/* need some code here */
|
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|
311 |
goto flush;
|
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|
312 |
} else
|
|
|
313 |
Bungetrune(Bfd);
|
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|
314 |
|
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|
315 |
if ((rv=Bgetfield(Bfd, 'd', &width, 0)) == 0) {
|
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|
316 |
errorflg = 1;
|
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|
317 |
error(WARNING, "file %s:%d illegal width token <0x%x> rv=%d\n", filename, line, troffchar, rv);
|
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|
318 |
} else if (rv < 0) break;
|
|
|
319 |
if ((rv=Bgetfield(Bfd, 'd', &flag, 0)) == 0) {
|
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|
320 |
errorflg = 1;
|
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|
321 |
error(WARNING, "file %s:%d illegal flag token <0x%x> rv=%d\n", filename, line, troffchar, rv);
|
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|
322 |
} else if (rv < 0) break;
|
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|
323 |
if ((rv=Bgetfield(Bfd, 'd', &charnum, 0)) == 0) {
|
|
|
324 |
errorflg = 1;
|
|
|
325 |
error(WARNING, "file %s:%d illegal character number token <0x%x> rv=%d\n", filename, line, troffchar, rv);
|
|
|
326 |
} else if (rv < 0)
|
|
|
327 |
break;
|
|
|
328 |
flush:
|
|
|
329 |
str = Brdline(Bfd, '\n');
|
|
|
330 |
/* stash the crap from the end of the line for debugging */
|
|
|
331 |
if (debug) {
|
|
|
332 |
if (str == 0) {
|
|
|
333 |
fprint(2, "premature EOF\n");
|
|
|
334 |
return(0);
|
|
|
335 |
}
|
|
|
336 |
str[Blinelen(Bfd)-1] = '\0';
|
|
|
337 |
}
|
|
|
338 |
line++;
|
|
|
339 |
chartorune(&troffchar, stoken);
|
|
|
340 |
if (specharflag)
|
|
|
341 |
if (debug)
|
|
|
342 |
fprint(2, "%s %d %d 0x%x %s # special\n",
|
|
|
343 |
stoken, width, flag, charnum, str);
|
|
|
344 |
if (strcmp(stoken, "---") == 0) {
|
|
|
345 |
thisfont = RUNEGETGROUP(charnum);
|
|
|
346 |
thischar = RUNEGETCHAR(charnum);
|
|
|
347 |
stoken[0] = '\0';
|
|
|
348 |
} else {
|
|
|
349 |
thisfont = RUNEGETGROUP(troffchar);
|
|
|
350 |
thischar = RUNEGETCHAR(troffchar);
|
|
|
351 |
}
|
|
|
352 |
for (cp = &troffontab[trindex].charent[thisfont][thischar];
|
|
|
353 |
*cp != 0; cp = &(*cp)->next)
|
|
|
354 |
if ((*cp)->name) {
|
|
|
355 |
if (debug)
|
|
|
356 |
fprint(2, "installing <%s>, found <%s>\n",
|
|
|
357 |
stoken, (*cp)->name);
|
|
|
358 |
if (strcmp((*cp)->name, stoken) == 0)
|
|
|
359 |
break;
|
|
|
360 |
}
|
|
|
361 |
if (*cp == 0)
|
|
|
362 |
*cp = galloc(0, sizeof(struct charent),
|
|
|
363 |
"readtroffmetric:charent");
|
|
|
364 |
(*cp)->postfontid = RUNEGETGROUP(charnum);
|
|
|
365 |
(*cp)->postcharid = RUNEGETCHAR(charnum);
|
|
|
366 |
(*cp)->troffcharwidth = width;
|
|
|
367 |
(*cp)->name = galloc(0, strlen(stoken)+1, "readtroffmetric: char name");
|
|
|
368 |
(*cp)->next = 0;
|
|
|
369 |
strcpy((*cp)->name, stoken);
|
|
|
370 |
if (debug) {
|
|
|
371 |
if (specharflag)
|
|
|
372 |
fprint(2, "%s", stoken);
|
|
|
373 |
else
|
|
|
374 |
fprint(2, "%C", troffchar);
|
|
|
375 |
fprint(2, " %d %d 0x%x %s # psfontid=0x%x pscharid=0x%x thisfont=0x%x thischar=0x%x\n",
|
|
|
376 |
width, flag, charnum, str,
|
|
|
377 |
(*cp)->postfontid,
|
|
|
378 |
(*cp)->postcharid,
|
|
|
379 |
thisfont, thischar);
|
|
|
380 |
}
|
|
|
381 |
}
|
|
|
382 |
Bterm(Bfd);
|
|
|
383 |
Bflush(Bstderr);
|
|
|
384 |
return(1);
|
|
|
385 |
}
|
|
|
386 |
|
|
|
387 |
/* find index of troff font name in table
|
|
|
388 |
* returns -1 if name is not in table
|
|
|
389 |
* returns -2 if it cannot allocate memory
|
|
|
390 |
* returns -3 if there is a font mapping problem
|
|
|
391 |
* If insflg is not zero
|
|
|
392 |
* and the name is not found in the table, insert it.
|
|
|
393 |
*/
|
|
|
394 |
int
|
|
|
395 |
findtfn(char *fontname, BOOLEAN insflg) {
|
|
|
396 |
struct troffont *tp;
|
|
|
397 |
int i, j;
|
|
|
398 |
|
|
|
399 |
if (debug)
|
|
|
400 |
fprint(2, "findtfn(%s,%d)\n", fontname, insflg);
|
|
|
401 |
for (i=0; i<troffontcnt; i++) {
|
|
|
402 |
if (troffontab[i].trfontid==0) {
|
|
|
403 |
error(WARNING, "findtfn:troffontab[%d].trfontid=0x%x, botch!\n",
|
|
|
404 |
i, troffontab[i].trfontid);
|
|
|
405 |
continue;
|
|
|
406 |
}
|
|
|
407 |
if (strcmp(troffontab[i].trfontid, fontname) == 0)
|
|
|
408 |
return(i);
|
|
|
409 |
}
|
|
|
410 |
if (insflg) {
|
|
|
411 |
tp = (struct troffont *)galloc(troffontab,
|
|
|
412 |
sizeof(struct troffont)*(troffontcnt+1),
|
|
|
413 |
"findtfn: struct troffont:");
|
|
|
414 |
if (tp == 0)
|
|
|
415 |
return(-2);
|
|
|
416 |
troffontab = tp;
|
|
|
417 |
tp = &(troffontab[troffontcnt]);
|
|
|
418 |
i = strlen(fontname);
|
|
|
419 |
tp->trfontid = galloc(0, i+1, "findtfn: trfontid:");
|
|
|
420 |
|
|
|
421 |
/* initialize new troff font entry with name and numeric fields to 0 */
|
|
|
422 |
strncpy(tp->trfontid, fontname, i);
|
|
|
423 |
tp->trfontid[i] = '\0';
|
|
|
424 |
tp->special = FALSE;
|
|
|
425 |
tp->spacewidth = 0;
|
|
|
426 |
tp->psfmapsize = 0;
|
|
|
427 |
tp->psfmap = 0;
|
|
|
428 |
for (i=0; i<NUMOFONTS; i++)
|
|
|
429 |
for (j=0; j<FONTSIZE; j++)
|
|
|
430 |
tp->charent[i][j] = 0;
|
|
|
431 |
troffontcnt++;
|
|
|
432 |
if (!readtroffmetric(fontname, troffontcnt-1))
|
|
|
433 |
return(-3);
|
|
|
434 |
if (!readpsfontdesc(fontname, troffontcnt-1))
|
|
|
435 |
return(-3);
|
|
|
436 |
return(troffontcnt-1);
|
|
|
437 |
}
|
|
|
438 |
return(-1);
|
|
|
439 |
}
|
|
|
440 |
|
|
|
441 |
void
|
|
|
442 |
finish(void) {
|
|
|
443 |
int i;
|
|
|
444 |
|
|
|
445 |
Bprint(Bstdout, "%s", TRAILER);
|
|
|
446 |
Bprint(Bstdout, "done\n");
|
|
|
447 |
Bprint(Bstdout, "%s", DOCUMENTFONTS);
|
|
|
448 |
|
|
|
449 |
for (i=0; i<pfnamcnt; i++)
|
|
|
450 |
if (pfnafontmtab[i].used)
|
|
|
451 |
Bprint(Bstdout, " %s", pfnafontmtab[i].str);
|
|
|
452 |
Bprint(Bstdout, "\n");
|
|
|
453 |
|
|
|
454 |
Bprint(Bstdout, "%s %d\n", PAGES, pages_printed);
|
|
|
455 |
|
|
|
456 |
}
|
|
|
457 |
|
|
|
458 |
/* Set slant to n degrees. Disable slanting if n is 0. */
|
|
|
459 |
void
|
|
|
460 |
t_slant(int n) {
|
|
|
461 |
fontslant = n;
|
|
|
462 |
curpostfontid = -1;
|
|
|
463 |
}
|
|
|
464 |
|
|
|
465 |
/* Set character height to n points. Disabled if n is 0 or the current size. */
|
|
|
466 |
|
|
|
467 |
void
|
|
|
468 |
t_charht(int n) {
|
|
|
469 |
fontheight = (n == fontsize) ? 0 : n;
|
|
|
470 |
curpostfontid = -1;
|
|
|
471 |
}
|