X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/723361fa124aa666d637e3fc9f5df1210a9e02b4..4508fd2c4ee3171bdc1bffb7e53ecda8290292ef:/draw/initfont.c

diff --git a/draw/initfont.c b/draw/initfont.c
new file mode 100644
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;
+}