Initial import.
diff --git a/src/libdraw/mkfont.c b/src/libdraw/mkfont.c
new file mode 100644
index 0000000..df6b0ec
--- /dev/null
+++ b/src/libdraw/mkfont.c
@@ -0,0 +1,55 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+
+/*
+ * Cobble fake font using existing subfont
+ */
+Font*
+mkfont(Subfont *subfont, Rune min)
+{
+ Font *font;
+ Cachefont *c;
+
+ font = malloc(sizeof(Font));
+ if(font == 0)
+ return 0;
+ memset(font, 0, sizeof(Font));
+ font->display = subfont->bits->display;
+ font->name = strdup("<synthetic>");
+ font->ncache = NFCACHE+NFLOOK;
+ font->nsubf = NFSUBF;
+ font->cache = malloc(font->ncache * sizeof(font->cache[0]));
+ font->subf = malloc(font->nsubf * sizeof(font->subf[0]));
+ if(font->name==0 || font->cache==0 || font->subf==0){
+ Err:
+ free(font->name);
+ free(font->cache);
+ free(font->subf);
+ free(font->sub);
+ free(font);
+ return 0;
+ }
+ memset(font->cache, 0, font->ncache*sizeof(font->cache[0]));
+ memset(font->subf, 0, font->nsubf*sizeof(font->subf[0]));
+ font->height = subfont->height;
+ font->ascent = subfont->ascent;
+ font->age = 1;
+ font->sub = malloc(sizeof(Cachefont*));
+ if(font->sub == 0)
+ goto Err;
+ c = malloc(sizeof(Cachefont));
+ if(c == 0)
+ goto Err;
+ font->nsub = 1;
+ font->sub[0] = c;
+ c->min = min;
+ c->max = min+subfont->n-1;
+ c->offset = 0;
+ c->name = 0; /* noticed by freeup() and agefont() */
+ c->subfontname = 0;
+ font->subf[0].age = 0;
+ font->subf[0].cf = c;
+ font->subf[0].f = subfont;
+ return font;
+}
