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Diffstat (limited to 'examples/gdl/glyph.py')
| -rw-r--r-- | examples/gdl/glyph.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/examples/gdl/glyph.py b/examples/gdl/glyph.py new file mode 100644 index 0000000..66944e0 --- /dev/null +++ b/examples/gdl/glyph.py @@ -0,0 +1,174 @@ +#!/usr/bin/env python +'Corresponds to a glyph, for analysis purposes, for GDL generation' +__url__ = 'http://github.com/silnrsi/pysilfont' +__copyright__ = 'Copyright (c) 2012 SIL International (http://www.sil.org)' +__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)' + +import re, traceback +from silfont.gdl.psnames import Name +from xml.etree.cElementTree import SubElement + +# Convert from Graphite AP name to the standard name, eg upperM -> _upper +def gr_ap(txt) : + if txt.endswith('M') : + return "_" + txt[:-1] + elif txt.endswith('S') : + return txt[:-1] + else : + return txt + +# Convert from standard AP name to the Graphite name, eg _upper -> upperM +def ap_gr(txt) : + if txt.startswith('_') : + return txt[1:] + 'M' + else : + return txt + 'S' + + +class Glyph(object) : + + isDia = False + + def __init__(self, name, gid = 0) : + self.clear() + self.setName(name) + self.gdl = None + self.gid = gid + self.uid = "" # this is a string! + self.comment = "" + self.isDia = False + + def clear(self) : + self.anchors = {} + self.classes = set() + self.gdl_properties = {} + self.properties = {} + + def setName(self, name) : + self.psname = name + self.name = next(self.parseNames()) + + def setAnchor(self, name, x, y, t = None) : + send = True + if name in self.anchors : + if x is None and y is None : + del self.anchors[name] + return True + if x is None : x = self.anchors[name][0] + if y is None : y = self.anchors[name][1] + send = self.anchors[name] != (x, y) + self.anchors[name] = (x, y) + return send + # if not name.startswith("_") and t != 'basemark' : + # self.isBase = True + + def parseNames(self) : + if self.psname : + for name in self.psname.split("/") : + res = Name(name) + yield res + else : + yield None + + def GDLName(self) : + if self.gdl : + return self.gdl + elif self.name : + return self.name.GDL() + else : + return None + + def setGDL(self, name) : + self.gdl = name + + def readAP(self, elem, font) : + self.uid = elem.get('UID', None) + for p in elem.iterfind('property') : + n = p.get('name') + if n == 'GDLName' : + self.setGDL(p.get('value')) + elif n.startswith('GDL_') : + self.gdl_properties[n[4:]] = p.get('value') + else : + self.properties[n] = p.get('value') + for p in elem.iterfind('point') : + l = p.find('location') + self.setAnchor(ap_gr(p.get('type')), int(l.get('x', 0)), int(l.get('y', 0))) + p = elem.find('note') + if p is not None and p.text : + self.comment = p.text + if 'classes' in self.properties : + for c in self.properties['classes'].split() : + if c not in self.classes : + self.classes.add(c) + font.addGlyphClass(c, self, editable = True) + + def createAP(self, elem, font, autoGdlFile) : + e = SubElement(elem, 'glyph') + if self.psname : e.set('PSName', self.psname) + if self.uid : e.set('UID', self.uid) + if self.gid is not None : e.set('GID', str(self.gid)) + ce = None + if 'classes' in self.properties and self.properties['classes'].strip() : + tempClasses = self.properties['classes'] + self.properties['classes'] = " ".join(font.filterAutoClasses(self.properties['classes'].split(), autoGdlFile)) + + for k in sorted(self.anchors.keys()) : + v = self.anchors[k] + p = SubElement(e, 'point') + p.set('type', gr_ap(k)) + p.text = "\n " + l = SubElement(p, 'location') + l.set('x', str(v[0])) + l.set('y', str(v[1])) + l.tail = "\n " + if ce is not None : ce.tail = "\n " + ce = p + + for k in sorted(self.gdl_properties.keys()) : + if k == "*skipPasses*" : continue # not set in GDL + + v = self.gdl_properties[k] + if v : + p = SubElement(e, 'property') + p.set('name', 'GDL_' + k) + p.set('value', v) + if ce is not None : ce.tail = "\n " + ce = p + + if self.gdl and (not self.name or self.gdl != self.name.GDL()) : + p = SubElement(e, 'property') + p.set('name', 'GDLName') + p.set('value', self.GDLName()) + if ce is not None : ce.tail = "\n " + ce = p + + for k in sorted(self.properties.keys()) : + v = self.properties[k] + if v : + p = SubElement(e, 'property') + p.set('name', k) + p.set('value', v) + if ce is not None : ce.tail = "\n " + ce = p + + if self.comment : + p = SubElement(e, 'note') + p.text = self.comment + if ce is not None : ce.tail = "\n " + ce = p + + if 'classes' in self.properties and self.properties['classes'].strip() : + self.properties['classes'] = tempClasses + if ce is not None : + ce.tail = "\n" + e.text = "\n " + e.tail = "\n" + return e + +def isMakeGDLSpecialClass(name) : +# if re.match(r'^cn?(Takes)?.*?Dia$', name) : return True +# if name.startswith('clig') : return True +# if name.startswith('cno_') : return True + if re.match(r'^\*GC\d+\*$', name) : return True # auto-pseudo glyph with name = *GCXXXX* + return False |