moved draw.c to libdraw.a

[dmenu.git] / draw / initfont.c

diff --git a/draw/initfont.c b/draw/initfont.c
new file mode 100644 (file)
index 0000000..77d3182
--- /dev/null
+++ b/draw/initfont.c
@@ -0,0 +1,36 @@
+/* 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;
+}