diff options
| author | Behdad Esfahbod <behdad@behdad.org> | 2014-05-15 15:36:03 -0600 |
|---|---|---|
| committer | Behdad Esfahbod <behdad@behdad.org> | 2014-05-15 15:36:03 -0600 |
| commit | ebde5454e509ca68fe5647ae9b45fbfdc6480159 (patch) | |
| tree | 8ba0b5bb0ab1bf6722b9e72b8270220e8ba4d744 | |
| parent | 487b15fd9492fdb3e9d578866e539f726f12b4af (diff) | |
| parent | ec8dccb7318988591aa65bdf3a70d521837d094b (diff) | |
| download | fonttools-ebde5454e509ca68fe5647ae9b45fbfdc6480159.tar.gz | |
Merge pull request #103 from olivierberten/post4
'post' format 4.0 support
| -rw-r--r-- | Lib/fontTools/ttLib/tables/_p_o_s_t.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Lib/fontTools/ttLib/tables/_p_o_s_t.py b/Lib/fontTools/ttLib/tables/_p_o_s_t.py index ab5a9735..248983fc 100644 --- a/Lib/fontTools/ttLib/tables/_p_o_s_t.py +++ b/Lib/fontTools/ttLib/tables/_p_o_s_t.py @@ -37,6 +37,8 @@ class table__p_o_s_t(DefaultTable.DefaultTable): self.decode_format_2_0(data, ttFont) elif self.formatType == 3.0: self.decode_format_3_0(data, ttFont) + elif self.formatType == 4.0: + self.decode_format_4_0(data, ttFont) else: # supported format raise ttLib.TTLibError("'post' table format %f not supported" % self.formatType) @@ -49,6 +51,8 @@ class table__p_o_s_t(DefaultTable.DefaultTable): data = data + self.encode_format_2_0(ttFont) elif self.formatType == 3.0: pass # we're done + elif self.formatType == 4.0: + data = data + self.encode_format_4_0(ttFont) else: # supported format raise ttLib.TTLibError("'post' table format %f not supported" % self.formatType) @@ -122,6 +126,25 @@ class table__p_o_s_t(DefaultTable.DefaultTable): # try and construct glyph names from a Unicode cmap table. self.glyphOrder = None + def decode_format_4_0(self, data, ttFont): + from fontTools import agl + numGlyphs = ttFont['maxp'].numGlyphs + indices = array.array("H") + indices.fromstring(data) + if sys.byteorder != "big": + indices.byteswap() + # In some older fonts, the size of the post table doesn't match + # the number of glyphs. Sometimes it's bigger, sometimes smaller. + self.glyphOrder = glyphOrder = [''] * int(numGlyphs) + for i in range(min(len(indices),numGlyphs)): + if indices[i] == 0xFFFF: + self.glyphOrder[i] = '' + elif indices[i] in agl.UV2AGL: + self.glyphOrder[i] = agl.UV2AGL[indices[i]] + else: + self.glyphOrder[i] = "uni%04X" % indices[i] + self.build_psNameMapping(ttFont) + def encode_format_2_0(self, ttFont): numGlyphs = ttFont['maxp'].numGlyphs glyphOrder = ttFont.getGlyphOrder() @@ -150,6 +173,24 @@ class table__p_o_s_t(DefaultTable.DefaultTable): indices.byteswap() return struct.pack(">H", numGlyphs) + indices.tostring() + packPStrings(extraNames) + def encode_format_4_0(self, ttFont): + from fontTools import agl + numGlyphs = ttFont['maxp'].numGlyphs + glyphOrder = ttFont.getGlyphOrder() + assert len(glyphOrder) == numGlyphs + indices = array.array("H") + for glyphID in glyphOrder: + glyphID = glyphID.split('#')[0] + if glyphID in agl.AGL2UV: + indices.append(agl.AGL2UV[glyphID]) + elif len(glyphID) == 7 and glyphID[:3] == 'uni': + indices.append(int(glyphID[3:],16)) + else: + indices.append(0xFFFF) + if sys.byteorder != "big": + indices.byteswap() + return indices.tostring() + def toXML(self, writer, ttFont): formatstring, names, fixes = sstruct.getformat(postFormat) for name in names: |