Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 1 | # Copyright 2013 Google, Inc. All Rights Reserved. |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0(the "License"); |
| 4 | # you may not use this file except in compliance with the License. |
| 5 | # You may obtain a copy of the License at |
| 6 | # |
| 7 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | # See the License for the specific language governing permissions and |
| 13 | # limitations under the License. |
| 14 | # |
| 15 | # Google Author(s): Behdad Esfahbod |
| 16 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 17 | """GUI Font Viewer. |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 18 | """ |
| 19 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 20 | import pygtk |
| 21 | pygtk.require('2.0') |
| 22 | import gtk |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 23 | import sys |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 24 | |
Behdad Esfahbod | aa736d8 | 2013-08-17 13:21:47 -0400 | [diff] [blame] | 25 | import fontTools.ttLib |
| 26 | import fontTools.cffLib |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 27 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 28 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 29 | class Row(object): |
| 30 | def __init__(self, parent, index, key, value): |
| 31 | self._parent = parent |
| 32 | self._index = index |
| 33 | self._key = key |
| 34 | self._value = value |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 35 | |
Behdad Esfahbod | d711d4b | 2013-08-19 14:46:08 -0400 | [diff] [blame] | 36 | if isinstance(value, fontTools.ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 37 | self._add_font(value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 38 | return |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 39 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 40 | if not isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 41 | # Try sequences |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 42 | is_sequence = True |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 43 | try: |
| 44 | len(value) |
| 45 | iter(value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 46 | # It's hard to differentiate list-type sequences |
| 47 | # from dict-type ones. Try fetching item 0. |
| 48 | value[0] |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 49 | except TypeError: |
| 50 | is_sequence = False |
| 51 | except AttributeError: |
| 52 | is_sequence = False |
| 53 | except KeyError: |
| 54 | is_sequence = False |
| 55 | except IndexError: |
| 56 | is_sequence = False |
| 57 | if is_sequence: |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 58 | self._add_list(key, value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 59 | return |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 60 | if hasattr(value, '__dict__'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 61 | self._add_object(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 62 | return |
| 63 | if hasattr(value, 'items'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 64 | self._add_dict(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 65 | return |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 66 | |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 67 | if isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 68 | self._value_str = '"'+value+'"' |
| 69 | self._children = [] |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 70 | return |
| 71 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 72 | # Everything else |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 73 | self._children = [] |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 74 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 75 | def _filter_items(self): |
| 76 | items = [] |
| 77 | for k,v in self._items: |
Behdad Esfahbod | d711d4b | 2013-08-19 14:46:08 -0400 | [diff] [blame] | 78 | if isinstance(v, fontTools.ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 79 | continue |
| 80 | if k in ['reader', 'file', 'tableTag', 'compileStatus', 'recurse']: |
| 81 | continue |
| 82 | if isinstance(k, basestring) and k[0] == '_': |
| 83 | continue |
| 84 | items.append((k,v)) |
| 85 | self._items = items |
| 86 | |
| 87 | def _add_font(self, font): |
| 88 | self._items = [(tag,font[tag]) for tag in font.keys()] |
| 89 | |
| 90 | def _add_object(self, key, value): |
| 91 | # Make sure item is decompiled |
| 92 | try: |
| 93 | getattr(value, "asdf") |
| 94 | except AttributeError: |
| 95 | pass |
| 96 | if isinstance(value, fontTools.ttLib.getTableModule('glyf').Glyph): |
| 97 | # Glyph type needs explicit expanding to be useful |
| 98 | value.expand(self.font['glyf']) |
Behdad Esfahbod | 453ceed | 2013-08-18 16:53:57 -0400 | [diff] [blame] | 99 | if isinstance(value, fontTools.misc.psCharStrings.T2CharString): |
| 100 | try: |
| 101 | value.decompile() |
| 102 | except TypeError: # Subroutines can't be decompiled |
| 103 | pass |
Behdad Esfahbod | e331431 | 2013-08-18 16:40:18 -0400 | [diff] [blame] | 104 | if isinstance(value, fontTools.cffLib.BaseDict): |
| 105 | for k in value.rawDict.keys(): |
| 106 | getattr(value, k) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 107 | if isinstance(value, fontTools.cffLib.Index): |
| 108 | # Load all items |
| 109 | for i in range(len(value)): |
| 110 | value[i] |
| 111 | # Discard offsets as should not be needed anymore |
| 112 | if hasattr(value, 'offsets'): |
| 113 | del value.offsets |
| 114 | |
| 115 | self._value_str = value.__class__.__name__ |
| 116 | self._items = sorted(value.__dict__.items()) |
| 117 | self._filter_items() |
| 118 | |
| 119 | def _add_dict(self, key, value): |
| 120 | self._value_str = '%s of %d items' % (value.__class__.__name__, len(value)) |
| 121 | self._items = sorted(value.items()) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 122 | |
| 123 | def _add_list(self, key, value): |
| 124 | if len(value) and len(value) <= 32: |
| 125 | self._value_str = str(value) |
| 126 | else: |
| 127 | self._value_str = '%s of %d items' % (value.__class__.__name__, |
| 128 | len(value)) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 129 | self._items = list(enumerate(value)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 130 | |
| 131 | def __len__(self): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 132 | if hasattr(self, '_children'): |
| 133 | return len(self._children) |
| 134 | if hasattr(self, '_items'): |
| 135 | return len(self._items) |
| 136 | assert 0 |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 137 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 138 | def _ensure_children(self): |
| 139 | if hasattr(self, '_children'): |
| 140 | return |
| 141 | children = [] |
| 142 | for i,(k,v) in enumerate(self._items): |
| 143 | children.append(Row(self, i, k, v)) |
| 144 | self._children = children |
| 145 | del self._items |
| 146 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 147 | def __getitem__(self, n): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 148 | if n >= len(self): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 149 | return None |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 150 | if not hasattr(self, '_children'): |
| 151 | self._children = [None] * len(self) |
| 152 | c = self._children[n] |
| 153 | if c is None: |
| 154 | k,v = self._items[n] |
| 155 | c = self._children[n] = Row(self, n, k, v) |
| 156 | self._items[n] = None |
| 157 | return c |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 158 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 159 | def get_parent(self): |
| 160 | return self._parent |
| 161 | |
| 162 | def get_index(self): |
| 163 | return self._index |
| 164 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 165 | def get_key(self): |
| 166 | return self._key |
| 167 | |
| 168 | def get_value(self): |
| 169 | return self._value |
| 170 | |
| 171 | def get_value_str(self): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 172 | if hasattr(self,'_value_str'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 173 | return self._value_str |
| 174 | return str(self._value) |
| 175 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 176 | class FontTreeModel(gtk.GenericTreeModel): |
| 177 | |
| 178 | __gtype_name__ = 'FontTreeModel' |
| 179 | |
| 180 | def __init__(self, font): |
| 181 | super(FontTreeModel, self).__init__() |
| 182 | self._columns = (str, str) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 183 | self.font = font |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 184 | self._root = Row(None, 0, "font", font) |
| 185 | |
| 186 | def on_get_flags(self): |
| 187 | return 0 |
| 188 | |
| 189 | def on_get_n_columns(self): |
| 190 | return len(self._columns) |
| 191 | |
| 192 | def on_get_column_type(self, index): |
| 193 | return self._columns[index] |
| 194 | |
| 195 | def on_get_iter(self, path): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 196 | rowref = self._root |
| 197 | while path: |
| 198 | rowref = rowref[path[0]] |
| 199 | path = path[1:] |
| 200 | return rowref |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 201 | |
| 202 | def on_get_path(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 203 | path = [] |
| 204 | while rowref != self._root: |
| 205 | path.append(rowref.get_index()) |
| 206 | rowref = rowref.get_parent() |
| 207 | path.reverse() |
| 208 | return tuple(path) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 209 | |
| 210 | def on_get_value(self, rowref, column): |
| 211 | if column == 0: |
| 212 | return rowref.get_key() |
| 213 | else: |
| 214 | return rowref.get_value_str() |
| 215 | |
| 216 | def on_iter_next(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 217 | return rowref.get_parent()[rowref.get_index() + 1] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 218 | |
| 219 | def on_iter_children(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 220 | return rowref[0] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 221 | |
| 222 | def on_iter_has_child(self, rowref): |
| 223 | return bool(len(rowref)) |
| 224 | |
| 225 | def on_iter_n_children(self, rowref): |
| 226 | return len(rowref) |
| 227 | |
| 228 | def on_iter_nth_child(self, rowref, n): |
| 229 | if not rowref: rowref = self._root |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 230 | return rowref[n] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 231 | |
| 232 | def on_iter_parent(self, rowref): |
| 233 | return rowref.get_parent() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 234 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 235 | class FontView: |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 236 | |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 237 | def _delete_event(self, widget, event, data=None): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 238 | gtk.main_quit() |
| 239 | return False |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 240 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 241 | def __init__(self, fontfile): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 242 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 243 | self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 244 | self.window.set_title("%s - FontView" % fontfile) |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 245 | self.window.connect("delete_event", self._delete_event) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 246 | self.window.set_size_request(400, 600) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 247 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 248 | self.scrolled_window = gtk.ScrolledWindow() |
| 249 | self.window.add(self.scrolled_window) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 250 | |
Behdad Esfahbod | d711d4b | 2013-08-19 14:46:08 -0400 | [diff] [blame] | 251 | self.font = fontTools.ttLib.TTFont(fontfile) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 252 | self.treemodel = FontTreeModel(self.font) |
| 253 | self.treeview = gtk.TreeView(self.treemodel) |
| 254 | #self.treeview.set_reorderable(True) |
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 | for i in range(2): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 257 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 258 | col = gtk.TreeViewColumn('Column %d' % i) |
Behdad Esfahbod | 9c64ded | 2013-08-17 13:40:12 -0400 | [diff] [blame] | 259 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 260 | self.treeview.append_column(col) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 261 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 262 | cell = gtk.CellRendererText() |
| 263 | col.pack_start(cell, True) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 264 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 265 | col.add_attribute(cell, 'text', i) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 266 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 267 | col.set_sort_column_id(i) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 268 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 269 | self.treeview.set_search_column(1) |
| 270 | self.scrolled_window.add(self.treeview) |
| 271 | self.window.show_all() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 272 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 273 | def main(args): |
| 274 | if len(args) < 1: |
| 275 | print >>sys.stderr, "usage: pyftfontview font..." |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 276 | sys.exit(1) |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 277 | for arg in args: |
| 278 | viewer = FontView(arg) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 279 | gtk.main() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 280 | |
| 281 | if __name__ == "__main__": |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame^] | 282 | main(sys.argv[1:]) |