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Diffstat (limited to 'src/silfont/scripts/psfaddanchors.py')
| -rw-r--r-- | src/silfont/scripts/psfaddanchors.py | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/silfont/scripts/psfaddanchors.py b/src/silfont/scripts/psfaddanchors.py new file mode 100644 index 0000000..3db2178 --- /dev/null +++ b/src/silfont/scripts/psfaddanchors.py @@ -0,0 +1,76 @@ +#!/usr/bin/env python3 +__doc__ = 'read anchor data from XML file and apply to UFO' +__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 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'},{}), + ('-d','--delete',{'help': 'Delete APs from a glyph before adding', '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] + if args.delete: + glyph['anchor'].clear() + 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() |