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from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from . import DefaultTable
class table_T_S_I__1(DefaultTable.DefaultTable):
extras = {0xfffa: "ppgm", 0xfffb: "cvt", 0xfffc: "reserved", 0xfffd: "fpgm"}
indextable = "TSI0"
def decompile(self, data, ttFont):
indextable = ttFont[self.indextable]
self.glyphPrograms = {}
for i in range(len(indextable.indices)):
glyphID, textLength, textOffset = indextable.indices[i]
if textLength == 0x8000:
# Ugh. Hi Beat!
textLength = indextable.indices[i+1][1]
if textLength > 0x8000:
pass # XXX Hmmm.
text = data[textOffset:textOffset+textLength]
assert len(text) == textLength
if text:
self.glyphPrograms[ttFont.getGlyphName(glyphID)] = text
self.extraPrograms = {}
for i in range(len(indextable.extra_indices)):
extraCode, textLength, textOffset = indextable.extra_indices[i]
if textLength == 0x8000:
if self.extras[extraCode] == "fpgm": # this is the last one
textLength = len(data) - textOffset
else:
textLength = indextable.extra_indices[i+1][1]
text = data[textOffset:textOffset+textLength]
assert len(text) == textLength
if text:
self.extraPrograms[self.extras[extraCode]] = text
def compile(self, ttFont):
if not hasattr(self, "glyphPrograms"):
self.glyphPrograms = {}
self.extraPrograms = {}
data = b''
indextable = ttFont[self.indextable]
glyphNames = ttFont.getGlyphOrder()
indices = []
for i in range(len(glyphNames)):
if len(data) % 2:
data = data + b"\015" # align on 2-byte boundaries, fill with return chars. Yum.
name = glyphNames[i]
if name in self.glyphPrograms:
text = self.glyphPrograms[name]
else:
text = b""
textLength = len(text)
if textLength >= 0x8000:
textLength = 0x8000 # XXX ???
indices.append((i, textLength, len(data)))
data = data + text
extra_indices = []
codes = sorted(self.extras.items())
for i in range(len(codes)):
if len(data) % 2:
data = data + b"\015" # align on 2-byte boundaries, fill with return chars.
code, name = codes[i]
if name in self.extraPrograms:
text = self.extraPrograms[name]
else:
text = b""
textLength = len(text)
if textLength >= 0x8000:
textLength = 0x8000 # XXX ???
extra_indices.append((code, textLength, len(data)))
data = data + text
indextable.set(indices, extra_indices)
return data
def toXML(self, writer, ttFont):
names = sorted(self.glyphPrograms.keys())
writer.newline()
for name in names:
text = self.glyphPrograms[name]
if not text:
continue
writer.begintag("glyphProgram", name=name)
writer.newline()
writer.write_noindent(text.replace("\r", "\n"))
writer.newline()
writer.endtag("glyphProgram")
writer.newline()
writer.newline()
extra_names = sorted(self.extraPrograms.keys())
for name in extra_names:
text = self.extraPrograms[name]
if not text:
continue
writer.begintag("extraProgram", name=name)
writer.newline()
writer.write_noindent(text.replace("\r", "\n"))
writer.newline()
writer.endtag("extraProgram")
writer.newline()
writer.newline()
def fromXML(self, name, attrs, content, ttFont):
if not hasattr(self, "glyphPrograms"):
self.glyphPrograms = {}
self.extraPrograms = {}
lines = strjoin(content).replace("\r", "\n").split("\n")
text = '\r'.join(lines[1:-1])
if name == "glyphProgram":
self.glyphPrograms[attrs["name"]] = text
elif name == "extraProgram":
self.extraPrograms[attrs["name"]] = text
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