Added docx writer related modules

2026-04-20 13:11:27 +02:00 · 2020-04-13 16:33:15 +02:00
parent ae80ae5640
commit 98b2dd8d4f
29 changed files with 5956 additions and 0 deletions
@@ -0,0 +1,46 @@
+#!/usr/bin/env python2
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+__license__   = 'GPL v3'
+__copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+from struct import unpack_from, pack
+
+from calibre.utils.fonts.sfnt import UnknownTable, FixedProperty
+from calibre.utils.fonts.sfnt.errors import UnsupportedFont
+from polyglot.builtins import zip
+
+
+class MaxpTable(UnknownTable):
+
+    version = FixedProperty('_version')
+
+    def __init__(self, *args, **kwargs):
+        super(MaxpTable, self).__init__(*args, **kwargs)
+
+        self._fmt = b'>lH'
+        self._version, self.num_glyphs = unpack_from(self._fmt, self.raw)
+        self.fields = ('_version', 'num_glyphs')
+
+        if self.version > 1.0:
+            raise UnsupportedFont('This font has a maxp table with version: %s'
+                    %self.version)
+        if self.version == 1.0:
+            self.fields = ('_version', 'num_glyphs', 'max_points',
+                    'max_contours', 'max_composite_points',
+                    'max_composite_contours', 'max_zones',
+                    'max_twilight_points', 'max_storage', 'max_function_defs',
+                    'max_instruction_defs', 'max_stack_elements',
+                    'max_size_of_instructions', 'max_component_elements',
+                    'max_component_depth')
+            self._fmt = b'>lH' + b'H'*(len(self.fields)-2)
+
+            vals = unpack_from(self._fmt, self.raw)
+            for f, val in zip(self.fields, vals):
+                setattr(self, f, val)
+
+    def update(self):
+        vals = [getattr(self, f) for f in self.fields]
+        self.raw = pack(self._fmt, *vals)