Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 1 | # Copyright 2013 Google, Inc. All Rights Reserved. |
| 2 | # |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 3 | # Google Author(s): Behdad Esfahbod |
| 4 | |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 5 | """GUI font inspector. |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 6 | """ |
| 7 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 8 | import pygtk |
| 9 | pygtk.require('2.0') |
| 10 | import gtk |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 11 | import sys |
Behnam Esfahbod | f7e0c67 | 2013-09-03 21:56:30 -0700 | [diff] [blame] | 12 | import array |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 13 | |
Behdad Esfahbod | c195a6b | 2013-09-04 10:35:10 -0400 | [diff] [blame] | 14 | from fontTools import misc, ttLib, cffLib |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 15 | |
Behdad Esfahbod | 3e78b60 | 2013-11-27 05:52:25 -0500 | [diff] [blame^] | 16 | try: |
| 17 | basestring |
| 18 | except NameError: |
| 19 | basestring = str |
| 20 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 21 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 22 | class Row(object): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 23 | def __init__(self, parent, index, key, value, font): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 24 | self._parent = parent |
| 25 | self._index = index |
| 26 | self._key = key |
| 27 | self._value = value |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 28 | self._font = font |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 29 | |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 30 | if isinstance(value, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 31 | self._add_font(value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 32 | return |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 33 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 34 | if not isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 35 | # Try sequences |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 36 | is_sequence = True |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 37 | try: |
| 38 | len(value) |
| 39 | iter(value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 40 | # It's hard to differentiate list-type sequences |
| 41 | # from dict-type ones. Try fetching item 0. |
| 42 | value[0] |
Behdad Esfahbod | 583ce63 | 2013-09-04 09:56:51 -0400 | [diff] [blame] | 43 | except (TypeError, AttributeError, KeyError, IndexError): |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 44 | is_sequence = False |
| 45 | if is_sequence: |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 46 | self._add_list(key, value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 47 | return |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 48 | if hasattr(value, '__dict__'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 49 | self._add_object(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 50 | return |
| 51 | if hasattr(value, 'items'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 52 | self._add_dict(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 53 | return |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 54 | |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 55 | if isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 56 | self._value_str = '"'+value+'"' |
| 57 | self._children = [] |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 58 | return |
| 59 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 60 | # Everything else |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 61 | self._children = [] |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 62 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 63 | def _filter_items(self): |
| 64 | items = [] |
| 65 | for k,v in self._items: |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 66 | if isinstance(v, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 67 | continue |
| 68 | if k in ['reader', 'file', 'tableTag', 'compileStatus', 'recurse']: |
| 69 | continue |
| 70 | if isinstance(k, basestring) and k[0] == '_': |
| 71 | continue |
| 72 | items.append((k,v)) |
| 73 | self._items = items |
| 74 | |
| 75 | def _add_font(self, font): |
| 76 | self._items = [(tag,font[tag]) for tag in font.keys()] |
| 77 | |
| 78 | def _add_object(self, key, value): |
| 79 | # Make sure item is decompiled |
| 80 | try: |
Behdad Esfahbod | ac10d81 | 2013-09-03 18:29:58 -0400 | [diff] [blame] | 81 | value["asdf"] |
Behdad Esfahbod | 227a495 | 2013-10-02 17:52:04 -0400 | [diff] [blame] | 82 | except (AttributeError, KeyError, TypeError, ttLib.TTLibError): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 83 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 84 | if isinstance(value, ttLib.getTableModule('glyf').Glyph): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 85 | # Glyph type needs explicit expanding to be useful |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 86 | value.expand(self._font['glyf']) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 87 | if isinstance(value, misc.psCharStrings.T2CharString): |
Behdad Esfahbod | 453ceed | 2013-08-18 16:53:57 -0400 | [diff] [blame] | 88 | try: |
| 89 | value.decompile() |
| 90 | except TypeError: # Subroutines can't be decompiled |
| 91 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 92 | if isinstance(value, cffLib.BaseDict): |
Behdad Esfahbod | e331431 | 2013-08-18 16:40:18 -0400 | [diff] [blame] | 93 | for k in value.rawDict.keys(): |
| 94 | getattr(value, k) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 95 | if isinstance(value, cffLib.Index): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 96 | # Load all items |
| 97 | for i in range(len(value)): |
| 98 | value[i] |
| 99 | # Discard offsets as should not be needed anymore |
| 100 | if hasattr(value, 'offsets'): |
| 101 | del value.offsets |
| 102 | |
| 103 | self._value_str = value.__class__.__name__ |
Behnam Esfahbod | f7e0c67 | 2013-09-03 21:56:30 -0700 | [diff] [blame] | 104 | if isinstance(value, ttLib.tables.DefaultTable.DefaultTable): |
| 105 | self._value_str += ' (%d Bytes)' % self._font.reader.tables[key].length |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 106 | self._items = sorted(value.__dict__.items()) |
| 107 | self._filter_items() |
| 108 | |
| 109 | def _add_dict(self, key, value): |
| 110 | self._value_str = '%s of %d items' % (value.__class__.__name__, len(value)) |
| 111 | self._items = sorted(value.items()) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 112 | |
| 113 | def _add_list(self, key, value): |
| 114 | if len(value) and len(value) <= 32: |
| 115 | self._value_str = str(value) |
| 116 | else: |
| 117 | self._value_str = '%s of %d items' % (value.__class__.__name__, |
| 118 | len(value)) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 119 | self._items = list(enumerate(value)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 120 | |
| 121 | def __len__(self): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 122 | if hasattr(self, '_children'): |
| 123 | return len(self._children) |
| 124 | if hasattr(self, '_items'): |
| 125 | return len(self._items) |
| 126 | assert 0 |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 127 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 128 | def _ensure_children(self): |
| 129 | if hasattr(self, '_children'): |
| 130 | return |
| 131 | children = [] |
| 132 | for i,(k,v) in enumerate(self._items): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 133 | children.append(Row(self, i, k, v, self._font)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 134 | self._children = children |
| 135 | del self._items |
| 136 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 137 | def __getitem__(self, n): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 138 | if n >= len(self): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 139 | return None |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 140 | if not hasattr(self, '_children'): |
| 141 | self._children = [None] * len(self) |
| 142 | c = self._children[n] |
| 143 | if c is None: |
| 144 | k,v = self._items[n] |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 145 | c = self._children[n] = Row(self, n, k, v, self._font) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 146 | self._items[n] = None |
| 147 | return c |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 148 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 149 | def get_parent(self): |
| 150 | return self._parent |
| 151 | |
| 152 | def get_index(self): |
| 153 | return self._index |
| 154 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 155 | def get_key(self): |
| 156 | return self._key |
| 157 | |
| 158 | def get_value(self): |
| 159 | return self._value |
| 160 | |
| 161 | def get_value_str(self): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 162 | if hasattr(self,'_value_str'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 163 | return self._value_str |
| 164 | return str(self._value) |
| 165 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 166 | class FontTreeModel(gtk.GenericTreeModel): |
| 167 | |
| 168 | __gtype_name__ = 'FontTreeModel' |
| 169 | |
| 170 | def __init__(self, font): |
| 171 | super(FontTreeModel, self).__init__() |
| 172 | self._columns = (str, str) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 173 | self.font = font |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 174 | self._root = Row(None, 0, "font", font, font) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 175 | |
| 176 | def on_get_flags(self): |
| 177 | return 0 |
| 178 | |
| 179 | def on_get_n_columns(self): |
| 180 | return len(self._columns) |
| 181 | |
| 182 | def on_get_column_type(self, index): |
| 183 | return self._columns[index] |
| 184 | |
| 185 | def on_get_iter(self, path): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 186 | rowref = self._root |
| 187 | while path: |
| 188 | rowref = rowref[path[0]] |
| 189 | path = path[1:] |
| 190 | return rowref |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 191 | |
| 192 | def on_get_path(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 193 | path = [] |
| 194 | while rowref != self._root: |
| 195 | path.append(rowref.get_index()) |
| 196 | rowref = rowref.get_parent() |
| 197 | path.reverse() |
| 198 | return tuple(path) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 199 | |
| 200 | def on_get_value(self, rowref, column): |
| 201 | if column == 0: |
| 202 | return rowref.get_key() |
| 203 | else: |
| 204 | return rowref.get_value_str() |
| 205 | |
| 206 | def on_iter_next(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 207 | return rowref.get_parent()[rowref.get_index() + 1] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 208 | |
| 209 | def on_iter_children(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 210 | return rowref[0] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 211 | |
| 212 | def on_iter_has_child(self, rowref): |
| 213 | return bool(len(rowref)) |
| 214 | |
| 215 | def on_iter_n_children(self, rowref): |
| 216 | return len(rowref) |
| 217 | |
| 218 | def on_iter_nth_child(self, rowref, n): |
| 219 | if not rowref: rowref = self._root |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 220 | return rowref[n] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 221 | |
| 222 | def on_iter_parent(self, rowref): |
| 223 | return rowref.get_parent() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 224 | |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 225 | class Inspect: |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 226 | |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 227 | def _delete_event(self, widget, event, data=None): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 228 | gtk.main_quit() |
| 229 | return False |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 230 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 231 | def __init__(self, fontfile): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 232 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 233 | self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 234 | self.window.set_title("%s - pyftinspect" % fontfile) |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 235 | self.window.connect("delete_event", self._delete_event) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 236 | self.window.set_size_request(400, 600) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 237 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 238 | self.scrolled_window = gtk.ScrolledWindow() |
| 239 | self.window.add(self.scrolled_window) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 240 | |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 241 | self.font = ttLib.TTFont(fontfile) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 242 | self.treemodel = FontTreeModel(self.font) |
| 243 | self.treeview = gtk.TreeView(self.treemodel) |
| 244 | #self.treeview.set_reorderable(True) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 245 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 246 | for i in range(2): |
Behnam Esfahbod | 25fc268 | 2013-09-03 20:27:14 -0700 | [diff] [blame] | 247 | col_name = ('Key', 'Value')[i] |
| 248 | col = gtk.TreeViewColumn(col_name) |
| 249 | col.set_sort_column_id(-1) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 250 | self.treeview.append_column(col) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 251 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 252 | cell = gtk.CellRendererText() |
| 253 | col.pack_start(cell, True) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 254 | col.add_attribute(cell, 'text', i) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 255 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 256 | self.treeview.set_search_column(1) |
| 257 | self.scrolled_window.add(self.treeview) |
| 258 | self.window.show_all() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 259 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 260 | def main(args): |
| 261 | if len(args) < 1: |
Behdad Esfahbod | d7e8d81 | 2013-11-27 04:57:17 -0500 | [diff] [blame] | 262 | print("usage: pyftinspect font...") |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 263 | sys.exit(1) |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 264 | for arg in args: |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 265 | Inspect(arg) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 266 | gtk.main() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 267 | |
| 268 | if __name__ == "__main__": |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 269 | main(sys.argv[1:]) |