4.4BSD/usr/src/usr.bin/plot/debug.c

/*-
 * This module is believed to contain source code proprietary to AT&T.
 * Use and redistribution is subject to the Berkeley Software License
 * Agreement and your Software Agreement with AT&T (Western Electric).
 */

#ifndef lint
static char sccsid[] = "@(#)debug.c	4.3 (Berkeley) 4/18/91";
#endif /* not lint */

#include <stdio.h>

float deltx;
float delty;

main(argc,argv)  char **argv; {
	int std=1;
	FILE *fin;

	while(argc-- > 1) {
		if(*argv[1] == '-')
			switch(argv[1][1]) {
				case 'l':
					deltx = atoi(&argv[1][2]) - 1;
					break;
				case 'w':
					delty = atoi(&argv[1][2]) - 1;
					break;
				}

		else {
			std = 0;
			if ((fin = fopen(argv[1], "r")) == NULL) {
				fprintf(stderr, "can't open %s\n", argv[1]);
				exit(1);
				}
			fplt(fin);
			}
		argv++;
		}
	if (std)
		fplt( stdin );
	exit(0);
	}


fplt(fin)  FILE *fin; {
	int c;
	char s[256];
	int xi,yi,x0,y0,x1,y1,r/*,dx,n,i*/;

	printf("openpl\n");
	while((c=getc(fin)) != EOF){
		switch(c){
		case 'm':
			xi = getsi(fin);
			yi = getsi(fin);
			printf("move %d %d\n", xi, yi);
			break;
		case 'l':
			x0 = getsi(fin);
			y0 = getsi(fin);
			x1 = getsi(fin);
			y1 = getsi(fin);
			printf("line %d %d   %d %d\n", x0, y0, x1, y1);
			break;
		case 't':
			getstr(s,fin);
			printf("label %s\n", s);
			break;
		case 'e':
			printf("erase\n");
			break;
		case 'p':
			xi = getsi(fin);
			yi = getsi(fin);
			printf("point %d %d\n", xi, yi);
			break;
		case 'n':
			xi = getsi(fin);
			yi = getsi(fin);
			printf("continue %d %d\n", xi, yi);
			break;
		case 's':
			x0 = getsi(fin);
			y0 = getsi(fin);
			x1 = getsi(fin);
			y1 = getsi(fin);
			printf("space %d %d   %d %d\n", x0, y0, x1, y1);
			break;
		case 'a':
			xi = getsi(fin);
			yi = getsi(fin);
			x0 = getsi(fin);
			y0 = getsi(fin);
			x1 = getsi(fin);
			y1 = getsi(fin);
			printf("arc\n");
			break;
		case 'c':
			xi = getsi(fin);
			yi = getsi(fin);
			r = getsi(fin);
			printf("circle\n");
			break;
		case 'f':
			getstr(s,fin);
			printf("linemod %s\n", s);
			break;
		default:
			fprintf(stderr, "Unknown command %c (%o)\n", c, c);
			break;
			}
		}
	printf("closepl\n");
	}
getsi(fin)  FILE *fin; {	/* get an integer stored in 2 ascii bytes. */
	short a, b;
	if((b = getc(fin)) == EOF)
		return(EOF);
	if((a = getc(fin)) == EOF)
		return(EOF);
	a = a<<8;
	return(a|b);
}
getstr(s,fin)  char *s;  FILE *fin; {
	for( ; *s = getc(fin); s++)
		if(*s == '\n')
			break;
	*s = '\0';
}