/* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ #ifndef lint static char sccsid[] = "@(#)open.c 5.1 (Berkeley) 5/7/85"; #endif not lint /* * Displays plot files on a gigi "graphics" terminal. */ #include #include "gigi.h" int currentx = 0; int currenty = 0; double lowx = 0.0; double lowy = 0.0; double scalex = 1.0; double scaley = 1.0; openpl() { int closepl(); /* catch interupts */ signal(SIGINT, closepl); currentx = 0; currenty = 0; /* enter grapics mode */ putchar(ESC); putchar('P'); putchar('p'); /* set some parameters */ printf("S(I0 T0 [0,0])"); space(0, 0, XMAX, YMAX); }