7842e56b97
git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@2 4cde692c-a291-49d1-8350-778aa11640f8
117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
import DefaultTable
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import string
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class table_T_S_I__1(DefaultTable.DefaultTable):
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extras = {0xfffa: "ppgm", 0xfffb: "cvt", 0xfffc: "reserved", 0xfffd: "fpgm"}
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indextable = "TSI0"
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def decompile(self, data, ttFont):
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indextable = ttFont[self.indextable]
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self.glyphPrograms = {}
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for i in range(len(indextable.indices)):
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glyphID, textLength, textOffset = indextable.indices[i]
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if textLength == 0x8000:
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# Ugh. Hi Beat!
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textLength = indextable.indices[i+1][1]
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if textLength > 0x8000:
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pass # XXX Hmmm.
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text = data[textOffset:textOffset+textLength]
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assert len(text) == textLength
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if text:
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self.glyphPrograms[ttFont.getGlyphName(glyphID)] = text
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self.extraPrograms = {}
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for i in range(len(indextable.extra_indices)):
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extraCode, textLength, textOffset = indextable.extra_indices[i]
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if textLength == 0x8000:
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if extraName == "fpgm": # this is the last one
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textLength = len(data) - textOffset
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else:
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textLength = indextable.extra_indices[i+1][1]
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text = data[textOffset:textOffset+textLength]
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assert len(text) == textLength
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if text:
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self.extraPrograms[self.extras[extraCode]] = text
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def compile(self, ttFont):
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data = ''
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indextable = ttFont[self.indextable]
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glyphNames = ttFont.getGlyphOrder()
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indices = []
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for i in range(len(glyphNames)):
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if len(data) % 2:
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data = data + "\015" # align on 2-byte boundaries, fill with return chars. Yum.
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name = glyphNames[i]
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if self.glyphPrograms.has_key(name):
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text = self.glyphPrograms[name]
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else:
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text = ""
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textLength = len(text)
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if textLength >= 0x8000:
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textLength = 0x8000 # XXX ???
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indices.append((i, textLength, len(data)))
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data = data + text
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extra_indices = []
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codes = self.extras.items()
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codes.sort()
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for i in range(len(codes)):
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if len(data) % 2:
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data = data + "\015" # align on 2-byte boundaries, fill with return chars.
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code, name = codes[i]
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if self.extraPrograms.has_key(name):
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text = self.extraPrograms[name]
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else:
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text = ""
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textLength = len(text)
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if textLength >= 0x8000:
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textLength = 0x8000 # XXX ???
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extra_indices.append((code, textLength, len(data)))
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data = data + text
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indextable.set(indices, extra_indices)
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return data
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def toXML(self, writer, ttFont):
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names = self.glyphPrograms.keys()
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names.sort()
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writer.newline()
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for name in names:
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text = self.glyphPrograms[name]
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if not text:
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continue
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writer.begintag("glyphProgram", name=name)
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writer.newline()
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writer.write_noindent(string.replace(text, "\r", "\n"))
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writer.newline()
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writer.endtag("glyphProgram")
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writer.newline()
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writer.newline()
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extra_names = self.extraPrograms.keys()
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extra_names.sort()
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for name in extra_names:
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text = self.extraPrograms[name]
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if not text:
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continue
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writer.begintag("extraProgram", name=name)
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writer.newline()
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writer.write_noindent(string.replace(text, "\r", "\n"))
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writer.newline()
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writer.endtag("extraProgram")
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writer.newline()
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writer.newline()
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def fromXML(self, (name, attrs, content), ttFont):
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if not hasattr(self, "glyphPrograms"):
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self.glyphPrograms = {}
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self.extraPrograms = {}
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lines = string.split(string.replace(string.join(content, ""), "\r", "\n"), "\n")
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text = string.join(lines[1:-1], "\r")
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if name == "glyphProgram":
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self.glyphPrograms[attrs["name"]] = text
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elif name == "extraProgram":
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self.extraPrograms[attrs["name"]] = text
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