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top - metrics - downloadIndex: T n
Length: 41996 (0xa40c)
Types: TextFile
Names: »nf.c.backup«
└─⟦060c9c824⟧ Bits:30007080 DKUUG TeX 2/12/89
└─⟦this⟧ »./DVIware/laser-setters/quicspool/src/nf.c.backup«
└─⟦52210d11f⟧ Bits:30007239 EUUGD2: TeX 3 1992-12
└─⟦af5ba6c8e⟧ »unix3.0/DVIWARE.tar.Z«
└─⟦ca79c7339⟧
└─⟦this⟧ »DVIware/laser-setters/quicspool/src/nf.c.backup«
/* Ditroff driver */
#ifndef lint
static char *rcs = "$Header: nf.c.backup,v 1.2 88/02/03 08:52:15 simpson Exp $";
#endif
/*
$Log: nf.c.backup,v $
Revision 1.2 88/02/03 08:52:15 simpson
added tpic support
Revision 1.1 88/01/15 13:04:37 simpson
initial release
Revision 0.3 88/01/06 08:46:06 simpson
corrected determination of charexists
Revision 0.2 87/12/18 11:37:32 simpson
added spline and ellipse support
Revision 0.1 87/12/11 18:31:04 simpson
beta test
*/
#include <stdio.h>
#include <signal.h>
#include <math.h>
#include <assert.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/dir.h>
#include <local/standard.h>
#include <local/qms.h>
#include <local/profile.h>
#include "fontnode.h"
#include "fontinfo.h"
#include "constants.h"
#include "dev.h"
#define FONTDIR "--FONTDIR--"
#define DEVNAME "qms" /* Name given to -T option*/
/* Cast for accessing LocalInfo */
#define LI(p) ((struct LocalInfo *)p->localinfo)
#define UNITWIDTH 10 /* Same as in DESC file */
typedef struct {
double x, y;
} COORDINATE;
struct FontState {
int pointsize;
int font;
};
struct Stack {
struct FontState fontstate;
int h, v;
};
struct LocalInfo {
char name[21]; /* Name of font */
int pointsize;
int qmsheight; /* Height to give QMS printer */
int qmsbaseline; /* Baseline height to give QMS printer */
char pathname[81]; /* Full pathname in file system */
Boolean charexists[256];/* True if there is such a character */
short bitmapsize[2][256]; /* Width & height of each char bitmap */
short widths[256]; /* True width of each char in pixels */
long maptable[160]; /* Encoding of troff special sequences */
short maptablesize; /* # of entries in map table */
};
char EOFName[101]; /* Used by pkeofsocleanup & desceofsocleanup */
char *Whoami; /* argv[0] */
char *Model; /* Model of printer being used */
char Orientation = 'P';
char MountTable[51][21]; /* Max of 50 different fonts in table */
char *Xxxstring; /* String found in extension commands */
char *Pxxxstring; /* Pointer used by the lexical analyzer */
char PKDir[101]; /* Directory PK fonts are in */
int MaxBlocks; /* # of free blocks w/out ram or rom fonts */
int CurRamBlocks; /* # of blocks used by ram fonts */
int CurRomBlocks; /* # of blocks used by rom fonts */
int DownLoadFNum; /* Number of font currently being downloaded */
int Origin[2]; /* Origin of a postprocessor graph in pixels */
FILE *ReadLine; /* Debugger port tty */
struct sigvec SigStruct;
struct FontNode *FontList; /* Contains all fonts & their attributes */
extern char *Host, *User;
extern FILE *Accting;
extern Boolean Accounting;
extern int NumPages;
main(argc, argv)
int argc;
char *argv[];
{
Boolean found, loadnametable(), setnewid();
extern int optind;
extern char *optarg;
int *intptr, *tempintptr;
int c;
int romlist[41]; /* List of rom font #s */
int simplyexit(), callcleanup();
void qmsfntfree(), cleanup(), seteoffunction(), process(),
troffeofsocleanup(), adjust();
PROFILE_VALUE *v, *getbindingvalue();
struct qmsram *raminfo;
struct qmsfnt *fntinfo;
struct fontnode *p;
struct FontNode *createfontlist();
#ifdef DEBUG
char *malloc(), orien;
int i, fontno, size;
FILE *f;
struct fontnode *fn;
#endif
Whoami = argv[0];
while ((c = getopt(argc, argv, "x:y:n:h:w:l:i:")) != EOF)
switch (c) {
case 'x':
if (atoi(optarg) > 2550)
Orientation = 'L';
break;
case 'h':
Host = optarg;
break;
case 'n':
User = optarg;
break;
case 'y':
case 'w':
case 'l':
case 'i':
break;
default:
exit(2);
}
SigStruct.sv_handler = simplyexit;
SigStruct.sv_mask = 0;
SigStruct.sv_onstack = 0;
(void)sigvec(SIGINT, &SigStruct, (struct sigvec *)NULL);
if (optind < argc) {
Accounting = TRUE;
if (!(Accting = fopen(argv[optind], "a"))) {
fprintf(stderr, "%s: cannot open accounting file %s\n", Whoami,
argv[optind]);
Accounting = FALSE;
}
}
if (!(v = getbindingvalue("model")) || v->class != PROFILE_STRING &&
v->class != PROFILE_OTHER) {
fprintf(stderr,
"%s: model binding missing or invalid in configuration file\n",
Whoami);
exit(2);
}
Model = v->value.s;
fputs(QUICON, stdout);
printf("%s^Z%s%s", CLEAROVERLAY, CLEARAOVERLAY, ENDCMD);
fputs(QUICOFF, stdout);
(void)fflush(stdout);
if (!(v = getbindingvalue("readline")) || v->class != PROFILE_STRING &&
v->class != PROFILE_OTHER) {
fprintf(stderr,
"%s: readline binding missing or invalid in configuration file\n",
Whoami);
exit(2);
}
if (!(ReadLine = fopen(v->value.s, "r"))) {
fprintf(stderr, "%s: could not open %s for reading\n", Whoami,
v->value.s);
exit(2);
}
#ifdef DEBUG
raminfo = (struct qmsram *)malloc((unsigned)sizeof(struct qmsram));
raminfo->TR = 401;
raminfo->AR = 387;
raminfo->FR = 13;
raminfo->OR = 0;
#else
qmsopen(fileno(stdout), fileno(ReadLine));
if (!(raminfo = qmsram())) {
fprintf(stderr, "%s: could not get printer ram info\n", Whoami);
exit(2);
}
#endif
MaxBlocks = raminfo->AR + raminfo->FR;
/* Save 5 block for filling with tpic */
MaxBlocks -= 5;
#ifdef DEBUG
fntinfo = (struct qmsfnt *)malloc((unsigned)sizeof(struct qmsfnt));
fntinfo->ram = fntinfo->rom = NULL;
for (i = 0; i < 13; i++) {
switch (i) {
case 0:
fontno = 521;
orien = 'L';
break;
case 1:
fontno = 522;
orien = 'L';
break;
case 2:
fontno = 523;
orien = 'L';
break;
case 3:
fontno = 524;
orien = 'L';
break;
case 4:
fontno = 1100;
orien = 'P';
break;
case 5:
fontno = 1103;
orien = 'P';
break;
case 6:
fontno = 1200;
orien = 'P';
break;
case 7:
fontno = 1204;
orien = 'P';
break;
case 8:
fontno = 1217;
orien = 'L';
case 9:
fontno = 7009;
orien = 'P';
break;
case 10:
fontno = 7010;
orien = 'P';
break;
case 11:
fontno = 7036;
orien = 'P';
break;
case 12:
fontno = 7037;
orien = 'P';
break;
}
fn = (struct fontnode *)malloc((unsigned)sizeof(struct fontnode));
fn->next = fntinfo->rom, fntinfo->rom = fn;
fn->orientation = orien;
fn->number = fontno;
fn->bytes = 1024; /* Rom fonts occupy one block */
fn->version = '0';
fn->class = '1';
}
/* For testing, ramfonts contains the already loaded fonts. It should
* consist of lines containing two numbers and a letter, the first being
* the font number, the second being the font size, and the third letter
* is an orientation. The orientation should be the character immediately
* after the size of the font.
*/
if (f = fopen("ramfonts", "r")) { /* File is optional for testing */
while (fscanf(f, "%d%d%c", &fontno, &size, &orien) == 3)
{
fn = (struct fontnode *)malloc((unsigned)sizeof(struct fontnode));
fn->next = fntinfo->ram, fntinfo->ram = fn;
fn->orientation = orien;
fn->number = fontno;
fn->bytes = size;
fn->version = '0';
fn->class = '1';
raminfo->AR -= CEILING(size / 1024.0);
raminfo->FR += CEILING(size / 1024.0);
}
(void)fclose(f);
}
#else
if (!(fntinfo = qmsfnt())) {
fprintf(stderr, "%s: could not get printer font info\n", Whoami);
exit(2);
}
#endif
for (CurRomBlocks = 0, p = fntinfo->rom; p; p = p->next)
CurRomBlocks += CEILING(p->bytes / (double)1024);
CurRamBlocks = raminfo->FR - CurRomBlocks;
/* Make an array of rom font #s */
for (p = fntinfo->rom, intptr = romlist; p; p = p->next) {
for (tempintptr = romlist, found = FALSE; tempintptr < intptr;
tempintptr++)
if (*tempintptr == p->number)
found = TRUE;
if (!found)
*intptr++ = p->number;
}
*intptr = 0;
if (EQ(Model, "QMS800"))
(void)sprintf(PKDir, "%s/wbfonts", FONTDIR);
else
(void)sprintf(PKDir, "%s/wwfonts", FONTDIR);
if (!loadnametable(PKDir, romlist, 10001)) {
fprintf(stderr, "%s: could not open font directory %s\n", Whoami,
PKDir);
exit(2);
}
FontList = createfontlist(fntinfo);
qmsfntfree(fntinfo);
if (!setnewid(Host, User)) {
fprintf(stderr, "%s: could not change user id to %s\n", Whoami,
User);
exit(2); /* This is fatal bud */
}
SigStruct.sv_handler = callcleanup;
(void)sigvec(SIGINT, &SigStruct, (struct sigvec *)NULL);
fputs(QUICON, stdout);
if (Orientation == 'P')
fputs(PORTRAIT, stdout);
else
fputs(LANDSCAPE, stdout);
printf("%s%c%c", TEXTPROC, '0', '0');
printf("%s00000%05d", INITMARGVERT, Orientation == 'P' ? 11 * 1000 :
(int)(8.5 * 1000));
printf("%s00000%05d", INITMARGHORZ, Orientation == 'P' ? (int)(8.5 * 1000)
: 11 * 1000);
printf("%s0000", CHARSPACING);
fputs(FREEOFF, stdout);
seteoffunction(troffeofsocleanup);
process();
cleanup(FontList, SUCCEED);
}
/* Main routine that interprets the troff file */
void process()
{
int specialfont = 4; /* Loc of S font in mount table */
int c, d, n;
int realhpxl = 0, realvpxl = 0,
virthpxl = 0, virtvpxl = 0; /*Virt & real cursor locs - pxls*/
Boolean switchedtospecial = FALSE;/* T if we switch to Special font */
Boolean firstpage = TRUE, fontselected = FALSE, download(), makeroom();
char *malloc(), *getstring(), *push(), *pop(), *strcpy(), *s,
*findpkfont(), extension[1000], *cgets(), *extractinteger();
void endoflist(), spline();
double radius, anglestart, angleend, decimalanglestart, a, b,
decimalangleend, controlpoints[37][3], curvepoints[500][3];
COORDINATE start, end, center, cur, new;
struct Stack *tempstack;
struct FontNode *fonttolist();
struct FontNode *curnode = NULL; /* Current font ditroff has selected */
struct FontNode *oldnode; /* 4 saving when trying special font */
/* Current font ditroff has selected */
struct FontState current;
/* For saving font when trying the special font */
struct FontState oldcurrent;
current.font = current.pointsize = 0;
bzero((char *)MountTable, sizeof(MountTable));
while (TRUE) { /* A non-returning function is called to exit */
switch (c = getnonblank(stdin)) {
case 's':
current.pointsize = getinteger(stdin);
curnode = fonttolist(MountTable[current.font], current.pointsize);
endoflist(&FontList, curnode);
fontselected = FALSE;
putchar('\r'); /* Ends the pass */
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
break;
case 'f':
current.font = getinteger(stdin);
curnode = fonttolist(MountTable[current.font], current.pointsize);
endoflist(&FontList, curnode);
fontselected = FALSE;
putchar('\r'); /* Ends the pass */
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
break;
case 'c': /* Character at current location */
c = cgetchar();
/* If we couldn't find the font, don't print anything since we
* don't know how to increment the real & virtual pixel locations.
*/
if (!curnode || !curnode->localinfo || !LI(curnode)->charexists[c])
{
oldcurrent = current;
current.font = specialfont;
oldnode = curnode;
curnode = fonttolist(MountTable[current.font],
current.pointsize);
if (curnode && curnode->localinfo &&
LI(curnode)->charexists[c]) {
endoflist(&FontList, curnode);
fontselected = FALSE;
putchar('\r');
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
switchedtospecial = TRUE;
} else {
current = oldcurrent;
curnode = oldnode;
continue;
}
}
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
if (!(curnode->flags & LOADED)) {
if (!makeroom(FontList, MaxBlocks, &CurRamBlocks, CurRomBlocks,
curnode->blocksize)) {
fprintf(stderr,
"%s: could not free %d blocks for font %s\n", Whoami,
curnode->blocksize, LI(curnode)->pathname);
goto trytocontinue1;
}
if (!download(curnode))
goto trytocontinue1;
realhpxl = realvpxl = 0;
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
}
if (!fontselected) {
printf("%s%d%s", DEFFONT, curnode->qmsnumber, ENDCMD);
fontselected = TRUE;
}
/* For fonts with width but no bitmap, check the size of the
* raster. The QMS will not print (or download) a character with
* width and no bitmap so we must not print characters that are not
* in the font. If you do, you will get the lowest character in
* the font.
*/
trytocontinue1:
if (LI(curnode)->bitmapsize[0][c] != 0 &&
LI(curnode)->bitmapsize[1][c] != 0) {
if (c == '^' || c <= 32 || c >= 127)
printf("%s%02X", SPECIAL, c);
else
(void)putchar(c);
realhpxl += LI(curnode)->widths[c];
}
if (switchedtospecial) { /* Switch back */
switchedtospecial = FALSE;
current = oldcurrent;
curnode = oldnode;
fontselected = FALSE;
}
break;
case 'C':
s = getstring(stdin);
if (!curnode || !curnode->localinfo || (c =
lookup(LI(curnode)->maptable, LI(curnode)->maptablesize, s)) == -1
|| !LI(curnode)->charexists[c = LI(curnode)->maptable[c] >> 24 &
0xFF]) {
oldcurrent = current;
current.font = specialfont;
oldnode = curnode;
curnode = fonttolist(MountTable[current.font],
current.pointsize);
if (curnode && curnode->localinfo && (c =
lookup(LI(curnode)->maptable, LI(curnode)->maptablesize, s))
!= -1 && LI(curnode)->charexists[c = LI(curnode)->maptable[c]
>> 24 & 0xFF]) {
endoflist(&FontList, curnode);
fontselected = FALSE;
putchar('\r');
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
switchedtospecial = TRUE;
} else {
current = oldcurrent;
curnode = oldnode;
continue;
}
}
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
if (!(curnode->flags & LOADED)) {
if (!makeroom(FontList, MaxBlocks, &CurRamBlocks, CurRomBlocks,
curnode->blocksize)) {
fprintf(stderr,
"%s: could not free %d blocks for font %s\n", Whoami,
curnode->blocksize, LI(curnode)->pathname);
goto trytocontinue2;
}
if (!download(curnode))
goto trytocontinue2;
realhpxl = realvpxl = 0;
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
}
if (!fontselected) {
printf("%s%d%s", DEFFONT, curnode->qmsnumber, ENDCMD);
fontselected = TRUE;
}
trytocontinue2:
if (LI(curnode)->bitmapsize[0][c] != 0 &&
LI(curnode)->bitmapsize[1][c] != 0) {
if (c == '^' || c <= 32 || c >= 127)
printf("%s%02X", SPECIAL, c);
else
(void)putchar(c);
realhpxl += LI(curnode)->widths[c];
}
if (switchedtospecial) { /* Switch back */
switchedtospecial = FALSE;
current = oldcurrent;
curnode = oldnode;
fontselected = FALSE;
}
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
virthpxl += (c - '0') * 10 + (cgetchar() - '0');
c = cgetchar();
if (!curnode || !curnode->localinfo || !LI(curnode)->charexists[c])
{
oldcurrent = current;
current.font = specialfont;
oldnode = curnode;
curnode = fonttolist(MountTable[current.font],
current.pointsize);
if (curnode && curnode->localinfo &&
LI(curnode)->charexists[c]) {
endoflist(&FontList, curnode);
fontselected = FALSE;
putchar('\r');
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
switchedtospecial = TRUE;
} else {
current = oldcurrent;
curnode = oldnode;
continue;
}
}
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
if (!(curnode->flags & LOADED)) {
if (!makeroom(FontList, MaxBlocks, &CurRamBlocks,
CurRomBlocks, curnode->blocksize)) {
fprintf(stderr,
"%s: could not free %d blocks for font %s\n", Whoami,
curnode->blocksize, LI(curnode)->pathname);
goto trytocontinue3;
}
if (!download(curnode))
goto trytocontinue3;
realhpxl = realvpxl = 0;
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
}
if (!fontselected) {
printf("%s%d%s", DEFFONT, curnode->qmsnumber, ENDCMD);
fontselected = TRUE;
}
trytocontinue3:
if (LI(curnode)->bitmapsize[0][c] != 0 &&
LI(curnode)->bitmapsize[1][c] != 0) {
if (c == '^' || c <= 32 || c >= 127)
printf("%s%02X", SPECIAL, c);
else
(void)putchar(c);
realhpxl += LI(curnode)->widths[c];
}
if (switchedtospecial) { /* Switch back */
switchedtospecial = FALSE;
current = oldcurrent;
curnode = oldnode;
fontselected = FALSE;
}
break;
case 'p': /* Begin a new page */
(void)getinteger(stdin); /* Ignore page number */
realhpxl = realvpxl = virthpxl = virtvpxl = 0;
printf("%s%05d%s", TAB, 0, ENDCMD);
printf("%s%05d%s", JUSTIFYMARGIN, 0, ENDCMD);
if (!firstpage)
fputs(FORMFEED, stdout), NumPages++;
else
firstpage = FALSE;
break;
case 'w': /* Appears between words - ignore */
break;
case 'H': /* Absolute horizontal */
virthpxl = getinteger(stdin);
break;
case 'h': /* Relative horizontal */
virthpxl += getinteger(stdin);
break;
case 'V': /* Absolute vertical */
virtvpxl = getinteger(stdin);
break;
case 'v': /* Relative vertical */
virtvpxl += getinteger(stdin);
break;
case 'n': /* At end of line */
(void)getinteger(stdin); /* Amount of space before line */
(void)getinteger(stdin); /* Amount of space after line */
break;
case '{': /* Push stack */
tempstack = (struct Stack *)malloc(sizeof(struct Stack));
tempstack->fontstate.pointsize = current.pointsize;
tempstack->fontstate.font = current.font;
tempstack->h = virthpxl, tempstack->v = virtvpxl;
(void)push((char *)&tempstack);
break;
case '}': /* Pop stack */
tempstack = (struct Stack *)pop();
current.pointsize = tempstack->fontstate.pointsize;
current.font = tempstack->fontstate.font;
virthpxl = tempstack->h, virtvpxl = tempstack->v;
curnode = fonttolist(MountTable[current.font], current.pointsize);
endoflist(&FontList, curnode);
free((char *)tempstack);
fontselected = FALSE;
putchar('\r'); /* Ends the pass */
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
break;
case '#': /* Comment */
while (cgetchar() != '\n')
;
break;
case 'D': /* Graphics drawing commands */
switch (c = cgetchar()) {
case 'l': /* Line */
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
start.x = virthpxl, start.y = virtvpxl;
end.x = start.x + getinteger(stdin), end.y = start.y +
getinteger(stdin);
/* I don't know what this next character is. It is not
* documented.
*/
while ((c = cgetchar()) != '\n');
;
fputs(VECTORON, stdout);
printf("%s%05d:%05d", PENUP,
ROUND(virthpxl/(double)RESOLUTION*1000),
ROUND(virtvpxl/(double)RESOLUTION*1000));
printf("%s03", PENWIDTH);
printf("%s%05d:%05d", PENDOWN, ROUND(end.x / RESOLUTION *
1000), ROUND(end.y / RESOLUTION * 1000));
fputs(VECTOROFF, stdout);
printf("%s00000%s00000%s\r", TAB, JUSTIFYMARGIN, ENDCMD);
virthpxl = ROUND(end.x), virtvpxl = ROUND(end.y);
realhpxl = realvpxl = 0;
break;
case 'c': /* Circle */
d = getinteger(stdin);
printf("%s%c%05d%c%05d%05d%03d%03d%02d%s", ARC,
virthpxl+.5*d>=0.0?'+':'-', ROUND((virthpxl+.5*d)/RESOLUTION
*1000.0),
virtvpxl>=0?'+':'-', ROUND(virtvpxl/(double)RESOLUTION*1000.0),
ROUND(.5*d/RESOLUTION*1000.0),
0,0,3,ENDCMD);
printf("%s00000%s00000%s", TAB, JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
virthpxl += d;
break;
case 'e': /* Ellipse */
/* Ellipses satisfy the equation (x^2)/(a^2)+(y^2)/(b^2)=1
* where 'a' is the length of the semimajor axis and 'b' is
* the length of the semiminor axis. We divide each quadrant
* into 200 line segments and connect the line segments.
*/
a = getinteger(stdin) / 2.0 / RESOLUTION, /* In inches */
b = getinteger(stdin) / 2.0 / RESOLUTION;
center.x = virthpxl / (double)RESOLUTION + a,
center.y = virtvpxl / (double)RESOLUTION;
cur.x = a, cur.y = 0.0; /* cur and new are */
fputs(VECTORON, stdout); /* relative to the origin */
printf("%s03", PENWIDTH);
for (n = 1; n <= 200; n++, cur = new) {
new.x = a*cos((n/200.0)*(PI/2.0)),
new.y = b*sin((n/200.0)*(PI/2.0));
/* First quadrant */
printf("%s%05d:%05d", PENUP,
ROUND((center.x+cur.x)*1000.0),
ROUND((center.y+cur.y)*1000.0));
printf("%s%05d:%05d", PENDOWN,
ROUND((center.x+new.x)*1000.0),
ROUND((center.y+new.y)*1000.0));
/* Second quadrant */
printf("%s%05d:%05d", PENUP,
ROUND((center.x-cur.x)*1000.0),
ROUND((center.y+cur.y)*1000.0));
printf("%s%05d:%05d", PENDOWN,
ROUND((center.x-new.x)*1000.0),
ROUND((center.y+new.y)*1000.0));
/* Third quadrant */
printf("%s%05d:%05d", PENUP,
ROUND((center.x-cur.x)*1000.0),
ROUND((center.y-cur.y)*1000.0));
printf("%s%05d:%05d", PENDOWN,
ROUND((center.x-new.x)*1000.0),
ROUND((center.y-new.y)*1000.0));
/* Fourth quadrant */
printf("%s%05d:%05d", PENUP,
ROUND((center.x+cur.x)*1000.0),
ROUND((center.y-cur.y)*1000.0));
printf("%s%05d:%05d", PENDOWN,
ROUND((center.x+new.x)*1000.0),
ROUND((center.y-new.y)*1000.0));
}
fputs(VECTOROFF, stdout);
printf("%s00000%s00000\r", TAB, JUSTIFYMARGIN, ENDCMD);
virthpxl += ROUND(2.0 * a * RESOLUTION);
realhpxl = realvpxl = 0;
break;
case 'a': /* Arc */
start.x = virthpxl, start.y = virtvpxl;
center.x = virthpxl + getinteger(stdin), center.y = virtvpxl
+ getinteger(stdin);
end.x = center.x + getinteger(stdin), end.y = center.y +
getinteger(stdin);
radius = sqrt(pow(start.x - center.x, 2.0) + pow(start.y -
center.y, 2.0));
/* Ditroff uses reverse cartesian coordinate system */
anglestart = atan2(start.x - center.x, center.y - start.y);
angleend = atan2(end.x - center.x, center.y - end.y);
anglestart -= PI / 2.0;
angleend -= PI / 2.0;
if (anglestart < 0)
anglestart += 2 * PI;
if (angleend < 0)
angleend += 2 * PI;
decimalanglestart = angleend / PI * 500.0;
decimalangleend = anglestart / PI * 500.0;
printf("%s%c%05d%c%05d%05d%03d%03d%02d%s", DECIMALARC,
center.x>0?'+':'-', ROUND(center.x/RESOLUTION*1000.0),
center.y>0?'+':'-', ROUND(center.y/RESOLUTION*1000.0),
ROUND(radius / RESOLUTION * 1000.0),
ROUND(decimalanglestart)>=1000?0:ROUND(decimalanglestart),
ROUND(decimalangleend)>=1000?0:ROUND(decimalangleend),
3, ENDCMD);
printf("%s00000%s00000%s", TAB, JUSTIFYMARGIN, ENDCMD);
realhpxl = realvpxl = 0;
virthpxl = ROUND(end.x), virtvpxl = ROUND(end.y);
break;
case '~': /* Squiggly line */
(void)cgets(extension);
s = extension;
n = 0;
controlpoints[n][0] = virthpxl;
controlpoints[n][1] = virtvpxl;
controlpoints[n][2] = 0.0;
while (s = extractinteger(s, &c)) {
if (!(s = extractinteger(s, &d))) {
fprintf(stderr,
"%s: odd number of spline points given\n", Whoami);
break;
}
n++;
controlpoints[n][0] = controlpoints[n-1][0] + c;
controlpoints[n][1] = controlpoints[n-1][1] + d;
controlpoints[n][2] = 0.0; /* Ignore z axis */
}
spline(controlpoints, n, curvepoints, 499, 3); /* 2nd degree */
fputs(VECTORON, stdout);
printf("%s%05d:%05d", PENUP,
ROUND(curvepoints[0][0]/RESOLUTION*1000.0),
ROUND(curvepoints[0][1]/RESOLUTION*1000.0));
printf("%s03", PENWIDTH);
for (c = 1; c <= 499; c++)
printf("%s%05d:%05d", PENDOWN,
ROUND(curvepoints[c][0]/RESOLUTION*1000.0),
ROUND(curvepoints[c][1]/RESOLUTION*1000.0));
fputs(VECTOROFF, stdout);
printf("%s00000%s00000%s\r", TAB, JUSTIFYMARGIN, ENDCMD);
virthpxl = ROUND(curvepoints[n][0]), virtvpxl =
ROUND(curvepoints[n][1]);
realhpxl = realvpxl = 0;
break;
default:
fprintf(stderr, "%s: invalid ditroff draw command %c\n",
Whoami, c);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
break;
}
break;
case 'x': /* Device dependent commands */
switch (c = getnonblank(stdin)) {
case 'i': /* Init - do nothing */
while (!isspace(cgetchar())) /* Find next blank */
;
break;
case 'T': /* Name of typesetter. -T option */
if (!EQ(DEVNAME, s = getstring(stdin))) {
fprintf(stderr,"%s: %s input given to ditroff filter\n",
Whoami, s);
cleanup(FontList, 2);
}
break;
case 'r': /* Resolution */
while (!isspace(getchar()))
;
if (getinteger(stdin) != RESOLUTION) {
fprintf(stderr, "%s: ditroff input resolution != %d\n",
Whoami, RESOLUTION);
cleanup(FontList, 2);
}
/* Order of evaluation is immaterial */
if (getinteger(stdin) != 1 || getinteger(stdin) != 1) {
fprintf(stderr,
"%s: incorrect ditroff input increments\n", Whoami);
cleanup(FontList, 2);
}
break;
case 'p': /* Pause */
while (!isspace(cgetchar()))
;
break;
case 's': /* Stop */
while ((c = getchar()) != EOF) /* Standard I/O getchar */
;
callcleanup();
break;
case 't': /* Trailer */
while (!isspace(cgetchar()))
;
break;
case 'f': /* Load font into mount table */
while (!isspace(cgetchar()))
;
c = getinteger(stdin);
s = getstring(stdin);
(void)strcpy(MountTable[c], s);
/* The special font must be named S */
if (EQ(s, "S"))
specialfont = c;
if (!findpkfont(s, 10)) /* Just check for font, any size. */
fprintf(stderr,
"%s: could not find font %s at any magnification\n",
Whoami, s);
break;
case 'H': /* Height - QMS can't do */
while (!isspace(cgetchar()))
;
(void)getinteger(stdin);
break;
case 'S': /* Slant - QMS can't do */
while (!isspace(cgetchar()))
;
(void)getinteger(stdin);
break;
case 'X': /* Extensions */
(void)cgets(extension);
adjust(&realhpxl, &realvpxl, virthpxl, virtvpxl);
Pxxxstring = Xxxstring = extension;
Origin[0] = virthpxl, Origin[1] = virtvpxl;
(void)yyparse();
fputs(QUICON, stdout);
if (Orientation == 'P')
fputs(PORTRAIT, stdout);
else
fputs(LANDSCAPE, stdout);
printf("%s%c%c", TEXTPROC, '0', '0');
printf("%s00000%05d", INITMARGVERT, Orientation == 'P' ?
11 * 1000 : (int)(8.5 * 1000));
printf("%s00000%05d", INITMARGHORZ, Orientation == 'P' ?
(int)(8.5 * 1000) : 11 * 1000);
printf("%s0000", CHARSPACING);
realhpxl = realvpxl = 0;
break;
default:
fprintf(stderr, "%s: invalid ditroff x command %c\n", Whoami,
c);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
break;
}
break;
default:
fprintf(stderr, "%s: invalid ditroff command %c\n", Whoami, c);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
break;
}
}
}
/* Returns a pointer to a node on the FontList with the matching name,
* pointsize and orientation or NULL if not found.
*/
struct FontNode *getnodebyname(head, name, ptsize, or)
struct FontNode *head;
char *name;
int ptsize;
int or;
{
struct FontNode *p;
for (p = head; p; p = p->next)
if (p->localinfo && LI(p)->pointsize == ptsize && (p->flags & PORT
? 'P' : 'L') == or && EQ(LI(p)->name, name))
return p;
return NULL;
}
/* Adds a new font to the font list. All the fields in the LocalInfo
* structure are filled in. If the font is loaded on startup, the blocksize
* is left as is; otherwise, the blocksize is estimated.
*/
struct FontNode *fonttolist(font, pointsize)
char *font;
int pointsize;
{
long fontstructoffset; /* Offset at beginning of font structure */
long funnycharoffset;/* Offset before funny_char_index_table */
long ftell();
int qmsfontnum, mag, ds, i, c, fontindex, encodecompare();
short size, index;
char *fullfontpath, fontname[21], sfontname[21], *tail(), *malloc(),
descfilename[81], *findpkfont();
Boolean extractinfo();
void seteoffunction(), pkeofsocleanup(), desceofsocleanup(),
troffeofsocleanup();
FILE *f;
struct dev devheader;
struct font fontheader;
struct FontNode *fn, *getfontnode();
struct FontInfo *fi, *getfontinfo();
if (strlen(font) == 0 || pointsize == 0) /* One of the two has not */
return NULL; /* been filled in yet. */
/* If this works, we don't need to search the font directory */
if (fn = getnodebyname(FontList, font, pointsize, Orientation))
return fn;
if (!(fullfontpath = findpkfont(font, pointsize)))
return NULL; /* Try to continue */
qmsfontnum = getnumfromtable(tail(fullfontpath));
assert(qmsfontnum > 0);
if (!(fn = getfontnode(FontList, qmsfontnum, Orientation))) {
bzero((char *)(fn = (struct FontNode *)malloc((unsigned)
sizeof(struct FontNode))), sizeof(struct FontNode));
fn->next = FontList, FontList = fn;
}
if (fn->localinfo) /* This font is already on the list */
return fn;
else
bzero(fn->localinfo = malloc((unsigned)sizeof(struct LocalInfo)),
sizeof(struct LocalInfo));
fn->flags |= RAM;
if (Orientation == 'P')
fn->flags |= PORT;
fn->qmsnumber = qmsfontnum;
(void)strcpy(LI(fn)->name, font);
(void)strcpy(LI(fn)->pathname, fullfontpath);
(void)extractinfo(tail(LI(fn)->pathname), fontname, sfontname, &ds, &mag);
LI(fn)->pointsize = ROUND(mag / (double)RESOLUTION * UNITWIDTH);
(void)strcpy(EOFName, fullfontpath);
seteoffunction(pkeofsocleanup);
if (!(fi = getfontinfo(fullfontpath, (EQ(Model, "QMS800") ||
EQ(Model, "QMS1500")) && Orientation == 'P' || (!EQ(Model, "QMS800") &&
!EQ(Model, "QMS1500")) && Orientation == 'L' ? 'X' : 'Y'))) {
FontList = FontList->next; /* Bad PK file or not readable */
fprintf(stderr, "%s: could not open or bad PK file %s\n", Whoami,
fullfontpath);
free(fn->localinfo), free((char *)fn);
return NULL;
}
if (!(fn->flags & PRELOADED))
fn->blocksize = fi->blocksize;
seteoffunction(troffeofsocleanup);
LI(fn)->qmsheight = fi->qmsheight;
LI(fn)->qmsbaseline = fi->qmsbaseline;
for (i = 0; i < 256; i++) {
if (fi->chararray[i].tfm > 0 || (fi->chararray[i].w > 0 &&
fi->chararray[i].h > 0))
LI(fn)->charexists[i] = TRUE;
else
LI(fn)->charexists[i] = FALSE;
LI(fn)->widths[i] = ROUND(fi->chararray[i].tfm * ((fi->ds /
(double)FIX) / FIX) / PPI * RESOLUTION * ((double)LI(fn)->pointsize
/ UNITWIDTH));
LI(fn)->bitmapsize[0][i] = fi->chararray[i].w;
LI(fn)->bitmapsize[1][i] = fi->chararray[i].h;
}
(void)sprintf(descfilename, "%s/%s", FONTDIR, "DESC.out");
LI(fn)->maptablesize = 0;
if (!(f = fopen(descfilename, "r"))) { /* Couldn't access DESC.out! */
static Boolean printed = FALSE;
if (!printed) { /* Only print error message once */
fprintf(stderr, "%s: could not open %s file \n", Whoami,
descfilename);
printed = TRUE;
}
return fn;
}
(void)strcpy(EOFName, descfilename);
seteoffunction(desceofsocleanup);
(void)cfread((char *)&devheader, sizeof(struct dev), 1, f);
(void)cfread((char *)&size, sizeof(short), 1, f);
while (size)
(void)cfread((char *)&size, sizeof(short), 1, f);
funnycharoffset = ftell(f);
assert(devheader.nchtab <= 160);
(void)fseek(f, (long)devheader.nchtab * sizeof(short) + devheader.lchname,
1);
for (fontstructoffset = ftell(f); (i = fread((char *)&fontheader,
sizeof(struct font), 1, f)) == 1 && !EQ(LI(fn)->name, fontheader.namefont);
(void)fseek(f, 3L * fontheader.nwfont + 96 + devheader.nchtab, 1),
fontstructoffset = ftell(f))
;
if (i != 1) { /* font not found */
(void)fclose(f);
seteoffunction(troffeofsocleanup);
return fn;
}
for (i = 0; i < devheader.nchtab; i++) {
(void)fseek(f, fontstructoffset + sizeof(struct font) + 3 *
fontheader.nwfont + 96 + i, 0);
if ((fontindex = cgetc(f)) == 0)
continue;
(void)fseek(f, funnycharoffset + i * sizeof(short), 0);
(void)cfread((char *)&index, sizeof(short), 1, f);
(void)fseek(f, funnycharoffset + devheader.nchtab * sizeof(short) +
index, 0);
/* The special strings are encoded, put in the maptable and
* sorted for fast lookup using a binary search. The encoding must
* preserve the uniqueness of the strings. Assuming special
* sequences are 3 bytes or less, we can put the bytes of the strings
* in the 3 low order bytes of the maptable[] word and use
* the high order byte to store the position in the font.
*/
LI(fn)->maptable[LI(fn)->maptablesize] = 0;
while ((c = cgetc(f)) != '\0')
LI(fn)->maptable[LI(fn)->maptablesize] =
LI(fn)->maptable[LI(fn)->maptablesize] << 8 | c;
LI(fn)->maptable[LI(fn)->maptablesize] &= 0xFFFFFF;/*Keep low 3 bytes*/
(void)fseek(f, fontstructoffset + sizeof(struct font) + 2 *
fontheader.nwfont + fontindex, 0);
LI(fn)->maptable[LI(fn)->maptablesize] |= cgetc(f) << 24; /* Put font*/
LI(fn)->maptablesize++; /* pos in top byte */
}
(void)fclose(f);
seteoffunction(troffeofsocleanup);
qsort((char *)(LI(fn)->maptable), LI(fn)->maptablesize, sizeof(long),
encodecompare);
return fn;
}
/* Returns the full pathname of the font whose size most closely matches that
* passed as a parameter. Returns NULL if it can't open the directory or it
* cannot find the font at any magnification. The return value is static and
* overwritten with each call.
*/
char *findpkfont(fontname, pointsize)
char *fontname;
int pointsize;
{
int closestnumber = MAX_INTEGER;
int desiredmagnification = ROUND(RESOLUTION * pointsize /
(double)UNITWIDTH);
static char returnvalue[101];
DIR *dirp;
struct direct *direntry;
char dirfname[81], dirsfname[81];
Boolean extractinfo();
int dirdsize, dirmag;
returnvalue[0] = '\0';
if (dirp = opendir(PKDir)) {
for (direntry = readdir(dirp); direntry; direntry = readdir(dirp)) {
if (direntry->d_namlen < 5 || !extractinfo(direntry->d_name,
dirfname, dirsfname, &dirdsize, &dirmag) || !EQ(dirfname,
fontname))
continue;
if (ABS(dirmag - desiredmagnification) < closestnumber) {
closestnumber = ABS(dirmag - desiredmagnification);
(void)sprintf(returnvalue, "%s/%s", PKDir,
direntry->d_name);
}
}
closedir(dirp);
}
if (strlen(returnvalue) > 0)
return returnvalue;
return NULL;
}
/* Adjusts printer coordinates so they correspond to ditroff's coordinates. It
* adjusts the real coordinates if necessary.
*/
void adjust(realh, realv, virth, virtv)
int *realh, *realv, virth, virtv;
{
if (*realh != virth) {
printf("%s%05d%s", TAB, ROUND(virth / (double)RESOLUTION * 1000.0),
ENDCMD);
*realh = virth;
}
if (*realv != virtv) {
printf("%s%05d%s", JUSTIFYMARGIN, ROUND(virtv / (double)RESOLUTION *
1000.0), ENDCMD);
*realv = virtv;
}
}
/* Compares two encodings of troff special sequences */
int encodecompare(one, two)
long *one, *two;
{
return (*one & 0xFFFFFF) == (*two & 0xFFFFFF) ? 0 : (*one & 0xFFFFFF)
< (*two & 0xFFFFFF) ? -1 : 1;
}
/* Looks up a special sequence in the maptable and returns the position
* found. It returns -1 if not found. This routine uses a binary search.
*/
int lookup(table, numvalues, key)
long table[];
int numvalues;
char *key;
{
int start = 0, end = numvalues - 1, midpoint;
long keyencoded; /* An encoded version of the key */
char *p;
for (p = key, keyencoded = 0; p && *p; p++)
keyencoded = (keyencoded << 8) | *p;
while (start <= end) {
midpoint = (start + end) / 2;
if ((keyencoded & 0xFFFFFF) == (table[midpoint] & 0xFFFFFF))
return midpoint;
if ((keyencoded & 0xFFFFFF) > (table[midpoint] & 0xFFFFFF))
start = midpoint + 1;
else
end = midpoint - 1;
}
return -1;
}
/* Downloads a font */
Boolean download(fn)
struct FontNode *fn;
{
struct CharInfo *ci;
char *tail(), *strcpy();
void resetpkfile(), seteoffunction(),
downloadpkeofsocleanup(), troffeofsocleanup();
int downloadinterrupt(), callcleanup();
int downloadtype, result, i, truebyteswide, bytestooutput,
row, bytes;
if (!fn || fn->flags & LOADED || !(fn->flags & RAM) || (fn->flags & PORT ?
'P' : 'L') != Orientation)
return FALSE;
resetpkfile();
downloadtype = ((EQ(Model, "QMS800") || EQ(Model, "QMS1500")) &&
Orientation == 'P' || (!EQ(Model, "QMS800") && !EQ(Model, "QMS1500"))
&& Orientation == 'L' ? 'X' : 'Y');
DownLoadFNum = fn->qmsnumber;
(void)sigblock(SIGINT); /* Temporarily block interrupts */
SigStruct.sv_handler = downloadinterrupt;
(void)sigvec(SIGINT, &SigStruct, (struct sigvec *)NULL);
(void)strcpy(EOFName, LI(fn)->pathname);
seteoffunction(downloadpkeofsocleanup);
/* #defining ASCIILOAD causes ASCII characters to be used for the download
* sequence. Twice as many characters must be sent but it is useful for
* looking at the output when debugging. Also, you can actually see the
* bitmaps in the output. ASCII loading must be used when you can't get
* hardware flow control to work. Far out.
*/
#ifdef ASCIILOAD
fputs(FREEFORM, stdout);
#else
fputs(EIGHTBITON, stdout);
#endif
printf("%s%05d%c0%-4.4s%03d%03dT", DOWNLOAD, fn->qmsnumber, Orientation,
tail(LI(fn)->pathname), LI(fn)->qmsheight, LI(fn)->qmsbaseline);
(void)sigsetmask(sigblock(0) & ~SIGINT); /* Unblock interrupts */
while ((result = getnextcharinfo(LI(fn)->pathname, downloadtype, &ci)) !=
1)
switch (result) {
case 2:
fprintf(stderr, "%s: could not open %s\n", Whoami,
LI(fn)->pathname);
return FALSE;
case 3:
fprintf(stderr, "%s: %s is not a PK file\n", Whoami,
LI(fn)->pathname);
return FALSE;
case 4:
fprintf(stderr, "%s: %s PK version is incorrect\n", Whoami,
LI(fn)->pathname);
return FALSE;
case 0: /* Ok. Got a bitmap */
if (ci->h == 0 || ci->w == 0)
continue;
putchar(',');
printf("%02X%03d", ci->cc, LI(fn)->widths[ci->cc]);
if (downloadtype == 'X') {
printf("%03d%03d", ci->h, ci->w);
printf("%c%03d", LI(fn)->qmsbaseline - ci->voff >= 0 ? '+'
: '-', ABS(LI(fn)->qmsbaseline - ci->voff));
printf("%c%03d", -ci->hoff >= 0 ? '+' : '-', ABS(-ci->hoff));
} else {
printf("%03d%03d", ci->w, ci->h);
printf("%c%03d", -ci->hoff >= 0 ? '+' : '-', ABS(ci->hoff));
printf("%c%03d", (LI(fn)->qmsheight - LI(fn)->qmsbaseline) -
(ci->h - ci->voff) >= 0 ? '+' : '-', ABS((LI(fn)->qmsheight
- LI(fn)->qmsbaseline) - (ci->h - ci->voff)));
i = ci->w, ci->w = ci->h, ci->h = i; /* Swaparoo! */
}
truebyteswide = ci->w + 7 >> 3; /* >> divides by 8 */
bytestooutput = (ci->w + 15 >> 4) * 2; /* >> divides by 16 */
#ifdef ASCIILOAD
for (row = 0; row < ci->h; row++) {
#else
for (row = 0; row < ci->h; row++)
#endif
for (bytes = 0; bytes < bytestooutput; bytes++) {
if (bytes == truebyteswide - 1)
*(ci->bitmap + row * truebyteswide + bytes) &=
0xFF<<7-(ci->w+7)%8;
if (bytes < truebyteswide) {
i = *(ci->bitmap + row * truebyteswide + bytes) &
0xFF;
#ifdef ASCIILOAD
printf("%c%c", "0123456789ABCDEF"[i >> 4],
"0123456789ABCDEF"[i & 0xF]);
#else
if (i == '^')
printf("^^");
else
(void)putchar(i);
#endif
} else
#ifdef ASCIILOAD
printf("00");
#else
(void)putchar(0);
#endif
}
#ifdef ASCIILOAD
putchar('\n');
}
#endif
break;
} /* End switch */
#ifdef ASCIILOAD
printf("%s%s", ENDCMD, FREEOFF);
#else
printf("%s%s", ENDCMD, EIGHTBITOFF);
#endif
putchar('\r'); /* Ends the pass */
(void)sigblock(SIGINT);
printf("%s00000%s", TAB, ENDCMD);
printf("%s00000%s", JUSTIFYMARGIN, ENDCMD);
SigStruct.sv_handler = callcleanup;
(void)sigvec(SIGINT, &SigStruct, (struct sigvec *)NULL);
seteoffunction(troffeofsocleanup);
CurRamBlocks += fn->blocksize;
fn->flags |= LOADED;
(void)sigsetmask(sigblock(0) & ~SIGINT);
return TRUE;
}
/* The following are routines called when a SIGINT is received or EOF is
* unexpectedly encountered when reading a file.
*/
simplyexit()
{
exit(SUCCEED);
}
callcleanup()
{
void cleanup();
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, SUCCEED); /* Interrupting a program is not an error */
}
void troffeofsocleanup()
{
fprintf(stderr, "%s: unexpected EOF when reading ditroff file\n", Whoami);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
}
void pkeofsocleanup()
{
fprintf(stderr, "%s: unexpected EOF when reading PK file %s\n", Whoami,
EOFName);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
}
void desceofsocleanup()
{
fprintf(stderr, "%s: unexpected EOF when reading DESC.out file %s\n",
Whoami, EOFName);
fputs(FORMFEED, stdout), NumPages++;
cleanup(FontList, 2);
}
downloadinterrupt()
{
fputs(ENDCMD, stdout);
#ifdef ASCIILOAD
fputs(FREEOFF, stdout);
#else
fputs(EIGHTBITOFF, stdout);
#endif
printf("%s%05d%c%s", DOWNLOAD, DownLoadFNum, Orientation, ENDCMD);
callcleanup();
}
void downloadpkeofsocleanup()
{
fputs(ENDCMD, stdout);
#ifdef ASCIILOAD
fputs(FREEOFF, stdout);
#else
fputs(EIGHTBITOFF, stdout);
#endif
printf("%s%05d%c%s", DOWNLOAD, DownLoadFNum, Orientation, ENDCMD);
pkeofsocleanup();
}
#include "xxx.c"