1 #ifndef lint 2 static char sccsid[] = "@(#)open.c 4.1 (Berkeley) 11/10/83"; 3 #endif 4 5 /* 6 * Displays plot files on a gigi "graphics" terminal. 7 */ 8 9 #include <signal.h> 10 #include "gigi.h" 11 12 int currentx = 0; 13 int currenty = 0; 14 double lowx = 0.0; 15 double lowy = 0.0; 16 double scalex = 1.0; 17 double scaley = 1.0; 18 19 openpl() 20 { 21 int closepl(); 22 23 /* catch interupts */ 24 signal(SIGINT, closepl); 25 currentx = 0; 26 currenty = 0; 27 /* enter grapics mode */ 28 putchar(ESC); putchar('P'); putchar('p'); 29 30 /* set some parameters */ 31 printf("S(I0 T0 [0,0])"); 32 33 space(0, 0, XMAX, YMAX); 34 } 35