release: 1.3.114

[lilypond.git] / buildscripts / mf-to-table.py

diff --git a/buildscripts/mf-to-table.py b/buildscripts/mf-to-table.py
index 4c87408117cd194c885b7aa023647ceedd1bc05c..1dfb64f4e2462a8531109e549b1e46e984a4cf4e 100755 (executable)
--- a/buildscripts/mf-to-table.py
+++ b/buildscripts/mf-to-table.py
@@ -43,6 +43,19 @@ class Char_metric:
                pass
 
 
+def tfm_checksum (fn):
+       s = open (fn).read ()
+       s = s[ 12 * 2 : ]
+       cs_bytes = s[:4]
+
+       shift = 24
+       cs = 0
+       for b in cs_bytes:
+               cs = cs  + (ord (b) << shift)
+               shift = shift - 8
+
+       return cs
+  
 def parse_logfile (fn):
        (autolines, deps) = read_log_file (fn)
        charmetrics = []
@@ -163,7 +176,11 @@ for opt in options:
 
 for filenm in files:
        (g,m, deps) =  parse_logfile (filenm)
+       cs = tfm_checksum (re.sub ('.log$', '.tfm', filenm))
        afm = open (afmfile_nm, 'w')
+
+       afm.write ("TfmCheckSum %u\n" % cs) 
+       
        write_afm_metric (afm, g,m)
        write_tex_defs (open (texfile_nm, 'w'), g, m)
        write_deps (open (depfile_nm, 'wb'), deps, [texfile_nm, afmfile_nm])