ref: 17f7f6be4e1a316c0f5f26ff70e047aece4de2bc
dir: /sys/src/cmd/grap/frame.c/
#include <stdio.h> #include <stdlib.h> #include "grap.h" #include "y.tab.h" double frame_ht; /* default frame height */ double frame_wid; /* and width */ int nsides = 0; /* how many sides given on this frame */ char *sides[] = { "\tline from Frame.nw to Frame.ne", "\tline from Frame.sw to Frame.se", "\tline from Frame.sw to Frame.nw", "\tline from Frame.se to Frame.ne" }; char *newsides[4] = { 0, 0, 0, 0 }; /* filled in later */ void frame(void) /* pump out frame definition, reset for next */ { int i; fprintf(tfd, "\tframeht = %g\n", frame_ht); fprintf(tfd, "\tframewid = %g\n", frame_wid); fprintf(tfd, "Frame:\tbox ht frameht wid framewid with .sw at 0,0 "); if (nsides == 0) fprintf(tfd, "\n"); else { fprintf(tfd, "invis\n"); for (i = 0; i < 4; i++) { if (newsides[i]) { fprintf(tfd, "%s\n", newsides[i]); free(newsides[i]); newsides[i] = 0; } else fprintf(tfd, "%s\n", sides[i]); } nsides = 0; } } void frameht(double f) /* set height of frame */ { frame_ht = f; } void framewid(double f) /* set width of frame */ { frame_wid = f; } void frameside(int type, Attr *desc) /* create and remember sides */ { int n; char buf[100]; nsides++; switch (type) { case 0: /* no side specified; kludge up all */ frameside(TOP, desc); frameside(BOT, desc); frameside(LEFT, desc); frameside(RIGHT, desc); return; case TOP: n = 0; break; case BOT: n = 1; break; case LEFT: n = 2; break; case RIGHT: n = 3; break; } sprintf(buf, "%s %s", sides[n], desc_str(desc)); newsides[n] = tostring(buf); }