From b11b04db2ee12bbdfc89c7a8947098410e804144 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Mon, 13 Nov 2017 20:13:10 -0800
Subject: [PATCH] Add a binding to `CGFontGetUnitsPerEm()`

---
 src/font.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/font.rs b/src/font.rs
index d4cf297..a456956 100644
--- a/src/font.rs
+++ b/src/font.rs
@@ -85,6 +85,12 @@ impl CGFont {
                                    advances.as_mut_ptr())
         }
     }
+
+    pub fn get_units_per_em(&self) -> c_int {
+        unsafe {
+            CGFontGetUnitsPerEm(self.as_ptr())
+        }
+    }
 }
 
 #[link(name = "CoreGraphics", kind = "framework")]
@@ -111,4 +117,5 @@ extern {
                               count: size_t,
                               advances: *mut c_int)
                               -> bool;
+    fn CGFontGetUnitsPerEm(font: ::sys::CGFontRef) -> c_int;
 }