torben@arizona.UUCP (07/29/83)
!<arch>
Makefile 428311187 27 36 100644 141 `
CFLAGS = -O
all: vplot
vplot: vplot.o chrtab.o
cc -o vplot vplot.o chrtab.o -lm
install:
install -s vplot /usr/local
clean:
rm -f *.o
chrtab.c 428311143 27 36 100700 8768 `
char chrtab[96][16] = {
0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, sp, */
0010,0010,0010,0010,0010,0010,0010,0010,0000,0000,0010,0000,0000,0000,0000,0000, /*, !, */
0024,0024,0024,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, ", */
0000,0000,0000,0044,0044,0176,0044,0044,0176,0044,0044,0000,0000,0000,0000,0000, /*, #, */
0000,0010,0010,0010,0076,0101,0100,0076,0001,0101,0076,0010,0010,0000,0000,0000, /*, $, */
0000,0000,0000,0141,0142,0004,0010,0010,0020,0043,0103,0000,0000,0000,0000,0000, /*, %, */
0000,0000,0070,0104,0110,0060,0060,0111,0106,0106,0071,0000,0000,0000,0000,0000, /*, &, */
0004,0010,0020,0040,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, ', */
0000,0004,0010,0020,0040,0040,0040,0040,0040,0040,0020,0010,0004,0000,0000,0000, /*, (, */
0000,0040,0020,0010,0004,0004,0004,0004,0004,0004,0010,0020,0040,0000,0000,0000, /*, ), */
0000,0000,0000,0010,0111,0052,0034,0177,0034,0052,0111,0010,0000,0000,0000,0000, /*, *, */
0000,0000,0000,0000,0010,0010,0010,0177,0010,0010,0010,0000,0000,0000,0000,0000, /*, +, */
0000,0000,0000,0000,0000,0000,0000,0000,0000,0030,0030,0010,0020,0000,0000,0000, /*, ,, */
0000,0000,0000,0000,0000,0000,0000,0176,0000,0000,0000,0000,0000,0000,0000,0000, /*, -, */
0000,0000,0000,0000,0000,0000,0000,0000,0000,0030,0030,0000,0000,0000,0000,0000, /*, ., */
0000,0000,0001,0002,0004,0010,0010,0010,0020,0040,0100,0000,0000,0000,0000,0000, /*, /, */
0000,0030,0044,0102,0102,0102,0102,0102,0102,0044,0030,0000,0000,0000,0000,0000, /*, 0, */
0000,0010,0030,0010,0010,0010,0010,0010,0010,0010,0034,0000,0000,0000,0000,0000, /*, 1, */
0000,0070,0104,0004,0004,0010,0020,0040,0100,0100,0174,0000,0000,0000,0000,0000, /*, 2, */
0000,0176,0004,0004,0010,0014,0002,0002,0002,0104,0070,0000,0000,0000,0000,0000, /*, 3, */
0000,0004,0014,0024,0044,0104,0176,0004,0004,0004,0004,0000,0000,0000,0000,0000, /*, 4, */
0000,0174,0100,0100,0130,0144,0002,0002,0102,0044,0030,0000,0000,0000,0000,0000, /*, 5, */
0000,0074,0102,0100,0130,0144,0102,0102,0102,0044,0030,0000,0000,0000,0000,0000, /*, 6, */
0000,0176,0004,0004,0010,0010,0020,0020,0040,0040,0040,0000,0000,0000,0000,0000, /*, 7, */
0000,0034,0042,0101,0042,0076,0101,0101,0101,0101,0076,0000,0000,0000,0000,0000, /*, 8, */
0000,0034,0042,0101,0101,0101,0043,0036,0004,0010,0020,0040,0000,0000,0000,0000, /*, 9, */
0000,0000,0000,0000,0000,0000,0030,0030,0000,0030,0030,0000,0000,0000,0000,0000, /*, :, */
0000,0000,0000,0000,0000,0000,0030,0030,0000,0030,0030,0020,0040,0000,0000,0000, /*, ;, */
0002,0004,0010,0020,0040,0100,0040,0020,0010,0004,0002,0000,0000,0000,0000,0000, /*, <, */
0000,0000,0000,0000,0177,0000,0177,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, =, */
0100,0040,0020,0010,0004,0002,0004,0010,0020,0040,0100,0000,0000,0000,0000,0000, /*, >, */
0000,0030,0044,0102,0001,0002,0004,0010,0010,0000,0010,0000,0000,0000,0000,0000, /*, ?, */
0000,0074,0102,0101,0115,0123,0121,0121,0121,0111,0046,0000,0000,0000,0000,0000, /*, @, */
0000,0010,0024,0042,0101,0101,0177,0101,0101,0101,0101,0000,0000,0000,0000,0000, /*, A, */
0000,0176,0101,0101,0101,0176,0101,0101,0101,0101,0176,0000,0000,0000,0000,0000, /*, B, */
0000,0076,0101,0100,0100,0100,0100,0100,0100,0101,0076,0000,0000,0000,0000,0000, /*, C, */
0000,0176,0101,0101,0101,0101,0101,0101,0101,0101,0176,0000,0000,0000,0000,0000, /*, D, */
0000,0176,0100,0100,0100,0170,0100,0100,0100,0100,0177,0000,0000,0000,0000,0000, /*, E, */
0000,0177,0100,0100,0100,0174,0100,0100,0100,0100,0100,0000,0000,0000,0000,0000, /*, F, */
0000,0076,0101,0100,0100,0117,0101,0101,0101,0101,0076,0000,0000,0000,0000,0000, /*, G, */
0000,0101,0101,0101,0101,0176,0101,0101,0101,0101,0101,0000,0000,0000,0000,0000, /*, H, */
0000,0034,0010,0010,0010,0010,0010,0010,0010,0010,0034,0000,0000,0000,0000,0000, /*, I, */
0000,0016,0004,0004,0004,0004,0004,0004,0104,0104,0070,0000,0000,0000,0000,0000, /*, J, */
0000,0101,0102,0104,0110,0120,0160,0110,0104,0102,0101,0000,0000,0000,0000,0000, /*, K, */
0000,0100,0100,0100,0100,0100,0100,0100,0100,0100,0177,0000,0000,0000,0000,0000, /*, L, */
0000,0101,0143,0125,0111,0101,0101,0101,0101,0101,0101,0000,0000,0000,0000,0000, /*, M, */
0000,0101,0141,0121,0111,0105,0103,0101,0101,0101,0101,0000,0000,0000,0000,0000, /*, N, */
0000,0076,0101,0101,0101,0101,0101,0101,0101,0101,0076,0000,0000,0000,0000,0000, /*, O, */
0000,0176,0101,0101,0101,0176,0100,0100,0100,0100,0100,0000,0000,0000,0000,0000, /*, P, */
0000,0076,0101,0101,0101,0101,0101,0101,0131,0105,0076,0002,0001,0000,0000,0000, /*, Q, */
0000,0176,0101,0101,0101,0176,0104,0102,0101,0101,0101,0000,0000,0000,0000,0000, /*, R, */
0000,0076,0101,0100,0100,0076,0001,0001,0001,0101,0076,0000,0000,0000,0000,0000, /*, S, */
0000,0177,0010,0010,0010,0010,0010,0010,0010,0010,0010,0000,0000,0000,0000,0000, /*, T, */
0000,0101,0101,0101,0101,0101,0101,0101,0101,0101,0076,0000,0000,0000,0000,0000, /*, U, */
0000,0101,0101,0101,0101,0101,0101,0101,0042,0024,0010,0000,0000,0000,0000,0000, /*, V, */
0000,0101,0101,0101,0101,0111,0111,0125,0143,0101,0101,0000,0000,0000,0000,0000, /*, W, */
0000,0101,0101,0042,0024,0010,0024,0042,0101,0101,0101,0000,0000,0000,0000,0000, /*, X, */
0000,0101,0042,0024,0010,0010,0010,0010,0010,0010,0010,0000,0000,0000,0000,0000, /*, Y, */
0000,0177,0001,0002,0004,0010,0020,0040,0100,0100,0177,0000,0000,0000,0000,0000, /*, Z, */
0000,0034,0020,0020,0020,0020,0020,0020,0020,0020,0020,0034,0000,0000,0000,0000, /*, [, */
0000,0000,0100,0040,0020,0010,0010,0010,0004,0002,0001,0000,0000,0000,0000,0000, /*, , \, */
0000,0070,0010,0010,0010,0010,0010,0010,0010,0010,0010,0070,0000,0000,0000,0000, /*, ], */
0010,0024,0042,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, ^, */
0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0377,0000,0000, /*, _, */
0040,0020,0010,0004,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, `, */
0000,0000,0000,0000,0000,0074,0002,0076,0102,0102,0076,0000,0000,0000,0000,0000, /*, a, */
0000,0100,0100,0100,0100,0174,0102,0102,0102,0102,0174,0000,0000,0000,0000,0000, /*, b, */
0000,0000,0000,0000,0000,0074,0102,0100,0100,0102,0074,0000,0000,0000,0000,0000, /*, c, */
0002,0002,0002,0002,0002,0076,0102,0102,0102,0102,0076,0000,0000,0000,0000,0000, /*, d, */
0000,0000,0000,0000,0000,0074,0102,0174,0100,0102,0074,0000,0000,0000,0000,0000, /*, e, */
0000,0016,0020,0020,0020,0176,0020,0020,0020,0020,0020,0000,0000,0000,0000,0000, /*, f, */
0000,0000,0000,0000,0000,0076,0102,0102,0102,0102,0076,0002,0002,0102,0076,0000, /*, g, */
0000,0100,0100,0100,0100,0174,0102,0102,0102,0102,0102,0000,0000,0000,0000,0000, /*, h, */
0000,0000,0000,0010,0000,0030,0010,0010,0010,0010,0034,0000,0000,0000,0000,0000, /*, i, */
0000,0000,0000,0010,0000,0030,0010,0010,0010,0010,0010,0010,0010,0050,0020,0000, /*, j, */
0000,0100,0100,0100,0100,0106,0110,0120,0160,0110,0106,0000,0000,0000,0000,0000, /*, k, */
0000,0030,0010,0010,0010,0010,0010,0010,0010,0010,0034,0000,0000,0000,0000,0000, /*, l, */
0000,0000,0000,0000,0000,0166,0111,0111,0111,0111,0111,0000,0000,0000,0000,0000, /*, m, */
0000,0000,0000,0000,0100,0174,0102,0102,0102,0102,0102,0000,0000,0000,0000,0000, /*, n, */
0000,0000,0000,0000,0000,0074,0102,0102,0102,0102,0074,0000,0000,0000,0000,0000, /*, o, */
0000,0000,0000,0000,0000,0174,0102,0102,0102,0102,0174,0100,0100,0100,0100,0000, /*, p, */
0000,0000,0000,0000,0000,0076,0102,0102,0102,0102,0076,0002,0002,0002,0002,0000, /*, q, */
0000,0000,0000,0000,0000,0134,0142,0100,0100,0100,0100,0000,0000,0000,0000,0000, /*, r, */
0000,0000,0000,0000,0000,0076,0100,0074,0002,0102,0074,0000,0000,0000,0000,0000, /*, s, */
0000,0020,0020,0020,0020,0176,0020,0020,0020,0020,0014,0000,0000,0000,0000,0000, /*, t, */
0000,0000,0000,0000,0000,0102,0102,0102,0102,0102,0075,0000,0000,0000,0000,0000, /*, u, */
0000,0000,0000,0000,0000,0101,0101,0101,0042,0024,0010,0000,0000,0000,0000,0000, /*, v, */
0000,0000,0000,0000,0000,0111,0111,0111,0111,0111,0066,0000,0000,0000,0000,0000, /*, w, */
0000,0000,0000,0000,0000,0102,0044,0030,0030,0044,0102,0000,0000,0000,0000,0000, /*, x, */
0000,0000,0000,0000,0000,0102,0102,0102,0042,0024,0010,0020,0040,0100,0000,0000, /*, y, */
0000,0000,0000,0000,0000,0176,0004,0010,0020,0040,0176,0000,0000,0000,0000,0000, /*, z, */
0000,0014,0020,0020,0020,0020,0040,0020,0020,0020,0020,0014,0000,0000,0000,0000, /*, {, */
0000,0010,0010,0010,0010,0000,0000,0010,0010,0010,0010,0000,0000,0000,0000,0000, /*, |, */
0000,0030,0010,0010,0010,0010,0004,0010,0010,0010,0010,0030,0000,0000,0000,0000, /*, }, */
0020,0052,0004,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000,0000, /*, ~, */
0000,0176,0176,0176,0176,0176,0176,0176,0176,0176,0176,0000,0000,0000,0000,0000, /*, del, */
};
defs.h 428311142 27 36 100644 459 `
#include <math.h>
#include <stdio.h>
#include <signal.h>
#include "vcmd.h"
#define ZERO '\200'
#define ONE '\100'
#define TWO '\040'
#define THREE '\020'
#define FOUR '\010'
#define FIVE '\004'
#define SIX '\002'
#define SEVEN '\001'
#define BLACK '\377'
#define WHITE '\000'
#define SOLID -1
#define DOTTED 014
#define SHORTDASHED 034
#define DOTDASHED 054
#define LONGDASHED 074
#define READ 0
#define WRITE 1
#define HEIGHT 1700
#define WIDTH 2112
vcmd.h 428311142 27 36 100750 150 `
#define VPRINT 0100
#define VPLOT 0200
#define VPRINTPLOT 0400
#define VEOT "\014"
#define VGETSTATE (('v'<<8)|0)
#define VSETSTATE (('v'<<8)|1)
vplot.c 428311143 27 36 100644 7287 `
#include "defs.h"
#define mapx(x) (xscale*((x) - botx))
#define mapy(y) (yscale*((y) - boty))
#define MAXTRIES 120
#define SLEEPTIME 30
#define PI 3.141592653
extern char chrtab[96][16];
extern char *getlogin();
extern char *ctime();
char picture[HEIGHT][WIDTH/8];
int f; /*Versatec file descriptor*/
int again = 1; /*Flag gets set every time an 'e' occurs*/
int done1 = 0; /*Flag gets set when picture is dirtied*/
int lastx = 0;
int lasty = 0;
int printcom[] = {VPRINT,0,0};
int plotcom[] = {VPLOT,0,0};
double xscale = 0.99;
double yscale = 0.99;
main(argc,argv)
char **argv;
int argc;
{
int onintr();
if(argc > 1) {
fprintf(stderr,"Usage: vplot\n");
exit(1);
}
signal(SIGTERM,onintr);
if(signal(SIGINT,SIG_IGN) != SIG_IGN)
signal(SIGINT,onintr);
while(again > 0) {
if(done1) {
done1 = 0;
clearpicture();
}
again = 0;
getpicture();
putpicture();
}
}
int onintr()
{
exit(1);
}
int clearpicture()
{
int i,j;
for(i = 0;i < HEIGHT;i++)
for(j = 0;j < WIDTH/8;j++)
picture[i][j] &= WHITE;
return;
}
int getpicture()
{
int x0,y0,x1,y1,x2,y2,botx,boty,topx,topy;
botx = 0;
boty = 0;
topx = WIDTH - 1;
topy = HEIGHT - 1;
for(;;) {x1 = getc(stdin); switch(x1) {
case 's':
botx = get2ch(stdin);
boty = get2ch(stdin);
topx = get2ch(stdin);
topy = get2ch(stdin);
xscale = ((double) (WIDTH - 1))/(topx - botx);
yscale = ((double) (HEIGHT - 1))/(topy - boty);
continue;
case 'l':
done1 = 1;
x1 = mapx(get2ch(stdin));
y1 = mapy(get2ch(stdin));
lastx = mapx(get2ch(stdin));
lasty = mapy(get2ch(stdin));
setseg(x1, y1, lastx, lasty);
continue;
case 'c':
done1 = 1;
x1 = mapx(get2ch(stdin));
y1 = mapy(get2ch(stdin));
x2 = get2ch(stdin); /*The radius is not scaled*/
setcircle(x1,y1,x2);
continue;
case 'a':
done1 = 1;
x0 = mapx(get2ch(stdin));
y0 = mapy(get2ch(stdin));
x1 = mapx(get2ch(stdin));
y1 = mapy(get2ch(stdin));
x2 = mapx(get2ch(stdin));
y2 = mapy(get2ch(stdin));
setarc(x0,y0,x1,y1,x2,y2);
continue;
case 'b':
done1 = 1;
x1 = mapx(get2ch(stdin));
y1 = mapy(get2ch(stdin));
lastx = mapx(get2ch(stdin));
lasty = mapy(get2ch(stdin));
setrect(x1, y1, lastx, lasty);
continue;
case 'm':
lastx = mapx(get2ch(stdin));
lasty = mapy(get2ch(stdin));
continue;
case 't':
done1 = 1;
while ((x1 = getc(stdin)) != '\n')
plotchar(x1);
continue;
case 'e':
if (done1) {
again++;
return;
}
continue;
case 'p':
done1 = 1;
lastx = mapx(get2ch(stdin));
lasty = mapy(get2ch(stdin));
setdot(lastx, lasty);
setdot(lastx+1, lasty);
setdot(lastx, lasty+1);
setdot(lastx+1, lasty+1);
continue;
case 'n':
done1 = 1;
x1 = mapx(get2ch(stdin));
y1 = mapy(get2ch(stdin));
setseg(lastx, lasty, x1, y1);
lastx = x1;
lasty = y1;
continue;
case 'f':
get2ch(stdin);
getc(stdin);
while((x1=getc(stdin))!='\n')
if(x1==-1) return;
continue;
case -1:
return;
default:
fprintf(stderr,"Vplot unimplemented cmd %c (\\0%o) \n", x1,x1);
return;
} }
}
int get2ch(fd)
FILE *fd;
{
short lo, hi;
lo = getc(fd);
hi = (getc(fd)) << 8;
return(hi|lo);
}
int plotchar(c)
register c;
{
register j;
register char *cp;
int i;
if (c<' ' || c >0177)
return;
cp = chrtab[c-' '];
for (i = 14; i>=-16; i -= 2) {
c = *cp++;
for (j=7; j>=0; --j)
if ((c>>j)&1) {
setdot(lastx+6-j*2, lasty+i);
setdot(lastx+7-j*2, lasty+i);
setdot(lastx+6-j*2, lasty+i+1);
setdot(lastx+7-j*2, lasty+i+1);
}
}
lastx += 16;
return;
}
int putpicture()
{
int tries,entry,onintr();
tries = 0;
while((entry = creat("/usr/spool/vad/lock",00000)) < 0) {
if(++tries > MAXTRIES) {
fprintf(stderr,"Versatec busy for 1hr,check for old lockfiles.\n");
exit(1);
}
sleep(SLEEPTIME);
}
if((f = open("/dev/vp0",WRITE)) < 0) {
fprintf(stderr,"Cannot open Versatec.\n");
exit(1);
}
banner(getlogin());
ioctl(f,VSETSTATE,plotcom);
write(f,picture,HEIGHT*WIDTH/8);
ioctl(f,VSETSTATE,printcom);
write(f,VEOT,1);
close(f);
close(entry);
unlink("/usr/spool/vad/lock");
system("/usr/lib/vad");
return;
}
int setdot(m,n) /*Note that 0<=m<WIDTH and 0<=n<HEIGHT*/
int m,n;
{
if(m < 0||m > WIDTH - 1||n < 0||n > HEIGHT - 1)
return;
picture[HEIGHT - 1 - n][m/8] |= (01 << (7 - m%8));
return;
}
int setseg(x0,y0,x1,y1) /*draw a line segment from (x0,y0) to (x1,y1)*/
int x0,y0,x1,y1;
{
int i,m,n;
double delx,dely,length,xinc,yinc;
delx = x1 - x0;
dely = y1 - y0;
if((length = sqrt(delx*delx + dely*dely)) <= 0.0)
length = 1.0;
xinc = delx/length;
yinc = dely/length;
for(i = 0;i <= length;i++) {
m = (int) (x0 + i*xinc + 0.5);
n = (int) (y0 + i*yinc + 0.5);
if(m < 0||m > WIDTH - 1||n < 0||n > HEIGHT - 1)
continue;
picture[HEIGHT - 1 - n][m/8] |= (01 << (7 - m%8));
}
return;
}
int setcircle(x0,y0,r)
int x0,y0,r;
{
int m,n;
double inc,param;
if(r <= 0.0)
r = 1.0;
inc = 1.0/r;
for(param = 0.0;param < 2.0*PI;param += inc) {
m = (int) (x0 + r*cos(param) + 0.5);
n = (int) (y0 + r*sin(param) + 0.5);
if(m < 0||m > WIDTH - 1||n < 0||n > HEIGHT - 1)
continue;
picture[HEIGHT - 1 - n][m/8] |= (01 << (7 - m%8));
}
}
int setarc(x0,y0,x1,y1,x2,y2)
int x0,y0,x1,y1,x2,y2;
{
int m,n;
double inc,r1,r2,theta,phi;
r1 = sqrt((double)((x1 - x0)*(x1 - x0) + (y1 - y0)*(y1 - y0)));
r2 = sqrt((double)((x2 - x0)*(x2 - x0) + (y2 - y0)*(y2 - y0)));
if(r1 <= 0.0 || r2 <= 0.0)
return;
inc = 1.0/(2.0*r1);
if(y1 - y0 >= 0)
phi = acos((x1 - x0)/r1);
else
phi = 2.0*PI - acos((x1 - x0)/r1);
if(y2 - y0 >= 0)
theta = acos((x2 - x0)/r2);
else
theta = 2.0*PI - acos((x2 - x0)/r2);
if(theta < phi)
theta += 2.0*PI;
for(;phi <= theta;phi += inc) {
m = (int) (x0 + r1*cos(phi) + 0.5);
n = (int) (y0 + r1*sin(phi) + 0.5);
if(m < 0||m > WIDTH - 1||n < 0||n > HEIGHT - 1)
continue;
picture[HEIGHT - 1 - n][m/8] |= (01 << (7 - m%8));
}
return;
}
int setrect(x0,y0,x1,y1) /*(x0,y0) is lower left corner and (x1,y1)*/
/*is upper right corner of rectangle. */
int x0,y0,x1,y1;
{
setseg(x0,y0,x0,y1);
setseg(x0,y1,x1,y1);
setseg(x1,y1,x1,y0);
setseg(x1,y0,x0,y0);
return;
}
int banner(s)
char *s;
{
long timeb;
register char *sp;
register int i, j, t;
ioctl( f, VSETSTATE, printcom );
for (i=0; i<16; i++) {
write( f, " ", 16 );
for (sp=s; *sp; sp++) {
if (*sp<=' '|| *sp >'}')
continue;
write( f, " ", 2 );
t = chrtab[*sp - ' '][i];
for (j=7; j>=0; j--)
if ((t>>j) & 01)
write( f, sp, 1);
else
write( f, " ", 1 );
}
write( f, "\n", 1);
}
write( f, "\n\n\n\n\n\n\n\n", 8 );
time(&timeb);
write( f, " ", 16 );
write( f, ctime(&timeb), 26 - 2 );
write( f, "\014", 1 );
}