Source code for fontTools.ttLib.tables.S__i_l_l

from fontTools.misc import sstruct
from fontTools.misc.fixedTools import floatToFixedToStr
from fontTools.misc.textTools import safeEval
from . import DefaultTable
from . import grUtils
import struct

Sill_hdr = """
    >
    version:    16.16F
"""


[docs]class table_S__i_l_l(DefaultTable.DefaultTable): def __init__(self, tag=None): DefaultTable.DefaultTable.__init__(self, tag) self.langs = {}
[docs] def decompile(self, data, ttFont): (_, data) = sstruct.unpack2(Sill_hdr, data, self) self.version = float(floatToFixedToStr(self.version, precisionBits=16)) (numLangs,) = struct.unpack(">H", data[:2]) data = data[8:] maxsetting = 0 langinfo = [] for i in range(numLangs): (langcode, numsettings, offset) = struct.unpack( ">4sHH", data[i * 8 : (i + 1) * 8] ) offset = int(offset / 8) - (numLangs + 1) langcode = langcode.replace(b"\000", b"") langinfo.append((langcode.decode("utf-8"), numsettings, offset)) maxsetting = max(maxsetting, offset + numsettings) data = data[numLangs * 8 :] finfo = [] for i in range(maxsetting): (fid, val, _) = struct.unpack(">LHH", data[i * 8 : (i + 1) * 8]) finfo.append((fid, val)) self.langs = {} for c, n, o in langinfo: self.langs[c] = [] for i in range(o, o + n): self.langs[c].append(finfo[i])
[docs] def compile(self, ttFont): ldat = b"" fdat = b"" offset = len(self.langs) for c, inf in sorted(self.langs.items()): ldat += struct.pack(">4sHH", c.encode("utf8"), len(inf), 8 * offset + 20) for fid, val in inf: fdat += struct.pack(">LHH", fid, val, 0) offset += len(inf) ldat += struct.pack(">LHH", 0x80808080, 0, 8 * offset + 20) return ( sstruct.pack(Sill_hdr, self) + grUtils.bininfo(len(self.langs)) + ldat + fdat )
[docs] def toXML(self, writer, ttFont): writer.simpletag("version", version=self.version) writer.newline() for c, inf in sorted(self.langs.items()): writer.begintag("lang", name=c) writer.newline() for fid, val in inf: writer.simpletag("feature", fid=grUtils.num2tag(fid), val=val) writer.newline() writer.endtag("lang") writer.newline()
[docs] def fromXML(self, name, attrs, content, ttFont): if name == "version": self.version = float(safeEval(attrs["version"])) elif name == "lang": c = attrs["name"] self.langs[c] = [] for element in content: if not isinstance(element, tuple): continue tag, a, subcontent = element if tag == "feature": self.langs[c].append( (grUtils.tag2num(a["fid"]), int(safeEval(a["val"]))) )