Add ratio() method.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 4f590198..2f661d77 100644
--- a/src/util.h
+++ b/src/util.h
@@ -54,6 +54,10 @@ struct Size {
 		: width (w)
 		, height (h)
 	{}
+
+	float ratio () const {
+		return float (width) / height;
+	}
 	
 	int width;
 	int height;