1 files changed, 44 insertions, 0 deletions
diff --git a/examples/fontforge-old/FFcompareFonts.py b/examples/fontforge-old/FFcompareFonts.py
new file mode 100755
index 0000000..1c68a43
--- /dev/null
+++ b/examples/fontforge-old/FFcompareFonts.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+'Compare two fonts based on specified criteria and report differences'
+__url__ = 'https://github.com/silnrsi/pysilfont'
+__copyright__ = 'Copyright (c) 2015 SIL International (https://www.sil.org)'
+__license__ = 'Released under the MIT License (https://opensource.org/licenses/MIT)'
+__author__ = 'David Raymond'
+
+from silfont.core import execute
+
+argspec = [
+    ('ifont',{'help': 'Input font file'}, {'type': 'infont'}),
+    ('ifont2',{'help': 'Input font file 2'}, {'type': 'infont', 'def': 'new'}),
+    ('-l','--log',{'help': 'Log file'}, {'type': 'outfile', 'def': 'compareFonts.log'}),
+    ('-o','--options',{'help': 'Options', 'choices': ['c'], 'nargs': '*'}, {})
+    ]
+
+def doit(args) :
+    font1=args.ifont
+    font2=args.ifont2
+    logf = args.log
+    options = args.options
+    logf.write("Comparing fonts: \n %s (%s)\n %s (%s)\n" % (font1.path,font1.fontname,font2.path,font2.fontname))
+    if options != None : logf.write('with options: %s\n' % (options))
+    logf.write("\n")
+    compare(font1,font2,logf,options)
+    compare(font2,font1,logf,None) # Compare again the other way around, just looking for missing Glyphs
+    logf.close()
+    return
+
+def compare(fonta,fontb,logf,options) :
+    for glyph in fonta :
+        if glyph in fontb :
+            if options != None : # Do extra checks based on options supplied
+                ga=fonta[glyph]
+                gb=fontb[glyph]
+                for opt in options :
+                    if opt == "c" :
+                        if len(ga.references) != len(gb.references) :
+                            logf.write("Glyph %s: number of components is different - %s v %s\n" % (glyph,len(ga.references),len(gb.references)))
+        else :
+            logf.write("Glyph %s missing from %s\n" % (glyph,fonta.path))
+
+def cmd() : execute("FF",doit,argspec) 
+if __name__ == "__main__": cmd()