X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Ffont.scm;h=eefc1c26ee9627316e43e11e09101d9e4ceebbe2;hb=8bb707c295338bb85ec28ebc8a6d9465fa43a69e;hp=8774042ca90b87d8ef458f2e7ebbb828cec44fcb;hpb=f52e35cada21e6bd31c188a06d0e8cf1ce03c853;p=lilypond.git

diff --git a/scm/font.scm b/scm/font.scm
index 8774042ca9..eefc1c26ee 100644
--- a/scm/font.scm
+++ b/scm/font.scm
@@ -2,7 +2,7 @@
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
-;;;; (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 ;; TODO:
 ;;
@@ -359,5 +359,8 @@
     "Century Schoolbook L" 
     "Sans" "Mono" factor))
 
-(define-public (magstep x)
-  (exp (* (/ x 6) (log 2))))
+(define-public (magstep s)
+  (exp (* (/ s 6) (log 2))))
+
+(define-public (magnification->font-size m)
+  (* 6 (/ (log m) (log 2))))