dickmenu/draw/initfont.c

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2010-06-24 17:44:35 +01:00
/* See LICENSE file for copyright and license details. */
#include <X11/Xlib.h>
#include "draw.h"
#define MAX(a, b) ((a) > (b) ? (a) : (b))
void
initfont(DC *dc, const char *fontstr) {
char *def, **missing = NULL;
int i, n;
if(!fontstr || !*fontstr)
eprint("cannot load null font\n");
dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def);
if(missing)
XFreeStringList(missing);
if(dc->font.set) {
XFontStruct **xfonts;
char **font_names;
dc->font.ascent = dc->font.descent = 0;
n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names);
for(i = 0; i < n; i++) {
dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent);
dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent);
xfonts++;
}
}
else {
if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr))
&& !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed")))
eprint("cannot load font '%s'\n", fontstr);
dc->font.ascent = dc->font.xfont->ascent;
dc->font.descent = dc->font.xfont->descent;
}
dc->font.height = dc->font.ascent + dc->font.descent;
}