1 files changed, 73 insertions, 0 deletions
diff --git a/lib/silfont/scripts/psfaddanchors.py b/lib/silfont/scripts/psfaddanchors.py
new file mode 100755
index 0000000..88f595f
--- /dev/null
+++ b/lib/silfont/scripts/psfaddanchors.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+__doc__ = 'read anchor data from XML file and apply to UFO'
+__url__ = 'http://github.com/silnrsi/pysilfont'
+__copyright__ = 'Copyright (c) 2015 SIL International (http://www.sil.org)'
+__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
+__author__ = 'David Rowe'
+
+from silfont.core import execute
+from xml.etree import ElementTree as ET
+
+argspec = [
+    ('ifont',{'help': 'Input UFO'}, {'type': 'infont'}),
+    ('ofont',{'help': 'Output UFO','nargs': '?' }, {'type': 'outfont'}),
+    ('-i','--anchorinfo',{'help': 'XML file with anchor data'}, {'type': 'infile', 'def': '_anc.xml'}),
+    ('-l','--log',{'help': 'Log file'}, {'type': 'outfile', 'def': '_anc.log'}),
+    ('-a','--analysis',{'help': 'Analysis only; no output font generated', 'action': 'store_true'},{}),
+    # 'choices' for -r should correspond to infont.logger.loglevels.keys()
+    ('-r','--report',{'help': 'Set reporting level for log', 'type':str, 'choices':['X','S','E','P','W','I','V']},{})
+    ]
+
+def doit(args) :
+    infont = args.ifont
+    if args.report: infont.logger.loglevel = args.report
+    glyphcount = 0
+
+    try:
+        for g in ET.parse(args.anchorinfo).getroot().findall('glyph'): ###
+            glyphcount += 1
+            gname = g.get('PSName')
+            if gname not in infont.deflayer.keys():
+                infont.logger.log("glyph element number " + str(glyphcount) + ": " + gname + " not in font, so skipping anchor data", "W")
+                continue
+            # anchors currently in font for this glyph
+            glyph = infont.deflayer[gname]
+            anchorsinfont = set([ ( a.element.get('name'),a.element.get('x'),a.element.get('y') ) for a in glyph['anchor']])
+            # anchors in XML file to be added
+            anchorstoadd = set()
+            for p in g.findall('point'):
+                name = p.get('type')
+                x = p[0].get('x')               # assume subelement location is first child
+                y = p[0].get('y')
+                if name and x and y:
+                    anchorstoadd.add( (name,x,y) )
+                else:
+                    infont.logger.log("Incomplete information for anchor '" + name + "' for glyph " + gname, "E")
+            # compare sets
+            if anchorstoadd == anchorsinfont:
+                if len(anchorstoadd) > 0:
+                    infont.logger.log("Anchors in file already in font for glyph " + gname + ": " + str(anchorstoadd), "V")
+                else:
+                    infont.logger.log("No anchors in file or in font for glyph " + gname, "V")
+            else:
+                infont.logger.log("Anchors in file for glyph " + gname + ": " + str(anchorstoadd), "I")
+                infont.logger.log("Anchors in font for glyph " + gname + ": " + str(anchorsinfont), "I")
+                for name,x,y in anchorstoadd:
+                    # if anchor being added exists in font already, delete it first
+                    ancnames = [a.element.get('name') for a in glyph['anchor']]
+                    infont.logger.log(str(ancnames), "V") ###
+                    if name in ancnames:
+                        infont.logger.log("removing anchor " + name + ", index " + str(ancnames.index(name)), "V") ###
+                        glyph.remove('anchor', ancnames.index(name))
+                    infont.logger.log("adding anchor " + name + ": (" + x + ", " + y + ")", "V") ###
+                    glyph.add('anchor', {'name': name, 'x': x, 'y': y})
+        # If analysis only, return without writing output font
+        if args.analysis: return
+        # Return changed font and let execute() write it out
+        return infont
+    except ET.ParseError as mess:
+        infont.logger.log("Error parsing XML input file: " + str(mess), "S")
+        return # but really should terminate after logging Severe error above
+
+def cmd() : execute("UFO",doit,argspec) 
+if __name__ == "__main__": cmd()