1 from __future__ import print_function, division, absolute_import 2 from fontTools.misc.py23 import * 3 from . import DefaultTable 4 5 class table_T_S_I__1(DefaultTable.DefaultTable): 6 7 extras = {0xfffa: "ppgm", 0xfffb: "cvt", 0xfffc: "reserved", 0xfffd: "fpgm"} 8 9 indextable = "TSI0" 10 11 def decompile(self, data, ttFont): 12 indextable = ttFont[self.indextable] 13 self.glyphPrograms = {} 14 for i in range(len(indextable.indices)): 15 glyphID, textLength, textOffset = indextable.indices[i] 16 if textLength == 0x8000: 17 # Ugh. Hi Beat! 18 textLength = indextable.indices[i+1][1] 19 if textLength > 0x8000: 20 pass # XXX Hmmm. 21 text = data[textOffset:textOffset+textLength] 22 assert len(text) == textLength 23 if text: 24 self.glyphPrograms[ttFont.getGlyphName(glyphID)] = text 25 26 self.extraPrograms = {} 27 for i in range(len(indextable.extra_indices)): 28 extraCode, textLength, textOffset = indextable.extra_indices[i] 29 if textLength == 0x8000: 30 if self.extras[extraCode] == "fpgm": # this is the last one 31 textLength = len(data) - textOffset 32 else: 33 textLength = indextable.extra_indices[i+1][1] 34 text = data[textOffset:textOffset+textLength] 35 assert len(text) == textLength 36 if text: 37 self.extraPrograms[self.extras[extraCode]] = text 38 39 def compile(self, ttFont): 40 if not hasattr(self, "glyphPrograms"): 41 self.glyphPrograms = {} 42 self.extraPrograms = {} 43 data = b'' 44 indextable = ttFont[self.indextable] 45 glyphNames = ttFont.getGlyphOrder() 46 47 indices = [] 48 for i in range(len(glyphNames)): 49 if len(data) % 2: 50 data = data + b"\015" # align on 2-byte boundaries, fill with return chars. Yum. 51 name = glyphNames[i] 52 if name in self.glyphPrograms: 53 text = self.glyphPrograms[name] 54 else: 55 text = b"" 56 textLength = len(text) 57 if textLength >= 0x8000: 58 textLength = 0x8000 # XXX ??? 59 indices.append((i, textLength, len(data))) 60 data = data + text 61 62 extra_indices = [] 63 codes = sorted(self.extras.items()) 64 for i in range(len(codes)): 65 if len(data) % 2: 66 data = data + b"\015" # align on 2-byte boundaries, fill with return chars. 67 code, name = codes[i] 68 if name in self.extraPrograms: 69 text = self.extraPrograms[name] 70 else: 71 text = b"" 72 textLength = len(text) 73 if textLength >= 0x8000: 74 textLength = 0x8000 # XXX ??? 75 extra_indices.append((code, textLength, len(data))) 76 data = data + text 77 indextable.set(indices, extra_indices) 78 return data 79 80 def toXML(self, writer, ttFont): 81 names = sorted(self.glyphPrograms.keys()) 82 writer.newline() 83 for name in names: 84 text = self.glyphPrograms[name] 85 if not text: 86 continue 87 writer.begintag("glyphProgram", name=name) 88 writer.newline() 89 writer.write_noindent(text.replace("\r", "\n")) 90 writer.newline() 91 writer.endtag("glyphProgram") 92 writer.newline() 93 writer.newline() 94 extra_names = sorted(self.extraPrograms.keys()) 95 for name in extra_names: 96 text = self.extraPrograms[name] 97 if not text: 98 continue 99 writer.begintag("extraProgram", name=name) 100 writer.newline() 101 writer.write_noindent(text.replace("\r", "\n")) 102 writer.newline() 103 writer.endtag("extraProgram") 104 writer.newline() 105 writer.newline() 106 107 def fromXML(self, name, attrs, content, ttFont): 108 if not hasattr(self, "glyphPrograms"): 109 self.glyphPrograms = {} 110 self.extraPrograms = {} 111 lines = strjoin(content).replace("\r", "\n").split("\n") 112 text = '\r'.join(lines[1:-1]) 113 if name == "glyphProgram": 114 self.glyphPrograms[attrs["name"]] = text 115 elif name == "extraProgram": 116 self.extraPrograms[attrs["name"]] = text 117 118
