Merge pull request #303 from ef4/blank-ascender

Prevent missing ascender from breaking layout
foliojs · Sep 12, 2014 · 8383dee · 8383dee
2 parents 33920c3 + 3acfa58
commit 8383dee
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/font/afm.coffee b/lib/font/afm.coffee
@@ -13,8 +13,8 @@ class AFMFont
     @charWidths = (@glyphWidths[characters[i]] for i in [0..255])
 
     @bbox = (+e for e in @attributes['FontBBox'].split /\s+/)
-    @ascender = +@attributes['Ascender']
-    @decender = +@attributes['Descender']
+    @ascender = +(@attributes['Ascender'] or 0)
+    @decender = +(@attributes['Descender'] or 0)
     @lineGap = (@bbox[3] - @bbox[1]) - (@ascender - @decender)
 
   parse: ->