#include <stdio.h> #include "grap.h" #include "y.tab.h" char *dflt_coord = "gg"; char *curr_coord = "gg"; int ncoord = 0; /* number of explicit coord's given */ Point xcoord; Point ycoord; int xcflag = 0; /* 1 if xcoord set */ int ycflag = 0; int logcoord = 0; coord_x(pt) /* remember x coord */ Point pt; { xcoord = pt; xcflag = 1; margin = 0; /* no extra space around picture if explicit coords */ } coord_y(pt) Point pt; { ycoord = pt; ycflag = 1; margin = 0; /* no extra space if explicit coords */ } coordlog(n) /* remember log scaling */ int n; { logcoord = n; } coord(p) /* set coord range */ Obj *p; { static char buf[10]; ncoord++; if (ncoord > 1 && strcmp(p->name, dflt_coord) == 0) { /* resetting default coordinate by implication */ sprintf(buf, "gg%d", ncoord); dflt_coord = buf; p = lookup(dflt_coord, 1); } if (xcflag) { p->coord |= XFLAG; p->pt.x = min(xcoord.x,xcoord.y); /* "xcoord" is xmin, xmax */ p->pt1.x = max(xcoord.x,xcoord.y); if ((logcoord&XFLAG) && p->pt.x <= 0.0) fatal("can't have log of x coord %g,%g", p->pt.x, p->pt1.x); xcflag = 0; } if (ycflag) { p->coord |= YFLAG; p->pt.y = min(ycoord.x,ycoord.y); /* "ycoord" is ymin, ymax */ p->pt1.y = max(ycoord.x,ycoord.y); if ((logcoord&YFLAG) && p->pt.y <= 0.0) fatal("can't have log of y coord %g,%g", p->pt.y, p->pt1.y); ycflag = 0; } p->log = logcoord; logcoord = 0; auto_x = 0; } resetcoord(p) /* reset current coordinate */ Obj *p; { curr_coord = p->name; }