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 | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 16 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 17 | class Row(object): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 18 | def __init__(self, parent, index, key, value, font): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 19 | self._parent = parent |
| 20 | self._index = index |
| 21 | self._key = key |
| 22 | self._value = value |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 23 | self._font = font |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 24 | |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 25 | if isinstance(value, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 26 | self._add_font(value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 27 | return |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 28 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 29 | if not isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 30 | # Try sequences |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 31 | is_sequence = True |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 32 | try: |
| 33 | len(value) |
| 34 | iter(value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 35 | # It's hard to differentiate list-type sequences |
| 36 | # from dict-type ones. Try fetching item 0. |
| 37 | value[0] |
Behdad Esfahbod | 583ce63 | 2013-09-04 09:56:51 -0400 | [diff] [blame] | 38 | except (TypeError, AttributeError, KeyError, IndexError): |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 39 | is_sequence = False |
| 40 | if is_sequence: |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 41 | self._add_list(key, value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 42 | return |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 43 | if hasattr(value, '__dict__'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 44 | self._add_object(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 45 | return |
| 46 | if hasattr(value, 'items'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 47 | self._add_dict(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 48 | return |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 49 | |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 50 | if isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 51 | self._value_str = '"'+value+'"' |
| 52 | self._children = [] |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 53 | return |
| 54 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 55 | # Everything else |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 56 | self._children = [] |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 57 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 58 | def _filter_items(self): |
| 59 | items = [] |
| 60 | for k,v in self._items: |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 61 | if isinstance(v, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 62 | continue |
| 63 | if k in ['reader', 'file', 'tableTag', 'compileStatus', 'recurse']: |
| 64 | continue |
| 65 | if isinstance(k, basestring) and k[0] == '_': |
| 66 | continue |
| 67 | items.append((k,v)) |
| 68 | self._items = items |
| 69 | |
| 70 | def _add_font(self, font): |
| 71 | self._items = [(tag,font[tag]) for tag in font.keys()] |
| 72 | |
| 73 | def _add_object(self, key, value): |
| 74 | # Make sure item is decompiled |
| 75 | try: |
Behdad Esfahbod | ac10d81 | 2013-09-03 18:29:58 -0400 | [diff] [blame] | 76 | value["asdf"] |
Behdad Esfahbod | 227a495 | 2013-10-02 17:52:04 -0400 | [diff] [blame] | 77 | except (AttributeError, KeyError, TypeError, ttLib.TTLibError): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 78 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 79 | if isinstance(value, ttLib.getTableModule('glyf').Glyph): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 80 | # Glyph type needs explicit expanding to be useful |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 81 | value.expand(self._font['glyf']) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 82 | if isinstance(value, misc.psCharStrings.T2CharString): |
Behdad Esfahbod | 453ceed | 2013-08-18 16:53:57 -0400 | [diff] [blame] | 83 | try: |
| 84 | value.decompile() |
| 85 | except TypeError: # Subroutines can't be decompiled |
| 86 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 87 | if isinstance(value, cffLib.BaseDict): |
Behdad Esfahbod | e331431 | 2013-08-18 16:40:18 -0400 | [diff] [blame] | 88 | for k in value.rawDict.keys(): |
| 89 | getattr(value, k) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 90 | if isinstance(value, cffLib.Index): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 91 | # Load all items |
| 92 | for i in range(len(value)): |
| 93 | value[i] |
| 94 | # Discard offsets as should not be needed anymore |
| 95 | if hasattr(value, 'offsets'): |
| 96 | del value.offsets |
| 97 | |
| 98 | self._value_str = value.__class__.__name__ |
Behnam Esfahbod | f7e0c67 | 2013-09-03 21:56:30 -0700 | [diff] [blame] | 99 | if isinstance(value, ttLib.tables.DefaultTable.DefaultTable): |
| 100 | self._value_str += ' (%d Bytes)' % self._font.reader.tables[key].length |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 101 | self._items = sorted(value.__dict__.items()) |
| 102 | self._filter_items() |
| 103 | |
| 104 | def _add_dict(self, key, value): |
| 105 | self._value_str = '%s of %d items' % (value.__class__.__name__, len(value)) |
| 106 | self._items = sorted(value.items()) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 107 | |
| 108 | def _add_list(self, key, value): |
| 109 | if len(value) and len(value) <= 32: |
| 110 | self._value_str = str(value) |
| 111 | else: |
| 112 | self._value_str = '%s of %d items' % (value.__class__.__name__, |
| 113 | len(value)) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 114 | self._items = list(enumerate(value)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 115 | |
| 116 | def __len__(self): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 117 | if hasattr(self, '_children'): |
| 118 | return len(self._children) |
| 119 | if hasattr(self, '_items'): |
| 120 | return len(self._items) |
| 121 | assert 0 |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 122 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 123 | def _ensure_children(self): |
| 124 | if hasattr(self, '_children'): |
| 125 | return |
| 126 | children = [] |
| 127 | for i,(k,v) in enumerate(self._items): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 128 | children.append(Row(self, i, k, v, self._font)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 129 | self._children = children |
| 130 | del self._items |
| 131 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 132 | def __getitem__(self, n): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 133 | if n >= len(self): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 134 | return None |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 135 | if not hasattr(self, '_children'): |
| 136 | self._children = [None] * len(self) |
| 137 | c = self._children[n] |
| 138 | if c is None: |
| 139 | k,v = self._items[n] |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 140 | c = self._children[n] = Row(self, n, k, v, self._font) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 141 | self._items[n] = None |
| 142 | return c |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 143 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 144 | def get_parent(self): |
| 145 | return self._parent |
| 146 | |
| 147 | def get_index(self): |
| 148 | return self._index |
| 149 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 150 | def get_key(self): |
| 151 | return self._key |
| 152 | |
| 153 | def get_value(self): |
| 154 | return self._value |
| 155 | |
| 156 | def get_value_str(self): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 157 | if hasattr(self,'_value_str'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 158 | return self._value_str |
| 159 | return str(self._value) |
| 160 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 161 | class FontTreeModel(gtk.GenericTreeModel): |
| 162 | |
| 163 | __gtype_name__ = 'FontTreeModel' |
| 164 | |
| 165 | def __init__(self, font): |
| 166 | super(FontTreeModel, self).__init__() |
| 167 | self._columns = (str, str) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 168 | self.font = font |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 169 | self._root = Row(None, 0, "font", font, font) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 170 | |
| 171 | def on_get_flags(self): |
| 172 | return 0 |
| 173 | |
| 174 | def on_get_n_columns(self): |
| 175 | return len(self._columns) |
| 176 | |
| 177 | def on_get_column_type(self, index): |
| 178 | return self._columns[index] |
| 179 | |
| 180 | def on_get_iter(self, path): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 181 | rowref = self._root |
| 182 | while path: |
| 183 | rowref = rowref[path[0]] |
| 184 | path = path[1:] |
| 185 | return rowref |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 186 | |
| 187 | def on_get_path(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 188 | path = [] |
| 189 | while rowref != self._root: |
| 190 | path.append(rowref.get_index()) |
| 191 | rowref = rowref.get_parent() |
| 192 | path.reverse() |
| 193 | return tuple(path) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 194 | |
| 195 | def on_get_value(self, rowref, column): |
| 196 | if column == 0: |
| 197 | return rowref.get_key() |
| 198 | else: |
| 199 | return rowref.get_value_str() |
| 200 | |
| 201 | def on_iter_next(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 202 | return rowref.get_parent()[rowref.get_index() + 1] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 203 | |
| 204 | def on_iter_children(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 205 | return rowref[0] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 206 | |
| 207 | def on_iter_has_child(self, rowref): |
| 208 | return bool(len(rowref)) |
| 209 | |
| 210 | def on_iter_n_children(self, rowref): |
| 211 | return len(rowref) |
| 212 | |
| 213 | def on_iter_nth_child(self, rowref, n): |
| 214 | if not rowref: rowref = self._root |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 215 | return rowref[n] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 216 | |
| 217 | def on_iter_parent(self, rowref): |
| 218 | return rowref.get_parent() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 219 | |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 220 | class Inspect: |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 221 | |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 222 | def _delete_event(self, widget, event, data=None): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 223 | gtk.main_quit() |
| 224 | return False |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 225 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 226 | def __init__(self, fontfile): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 227 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 228 | self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 229 | self.window.set_title("%s - pyftinspect" % fontfile) |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 230 | self.window.connect("delete_event", self._delete_event) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 231 | self.window.set_size_request(400, 600) |
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.scrolled_window = gtk.ScrolledWindow() |
| 234 | self.window.add(self.scrolled_window) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 235 | |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 236 | self.font = ttLib.TTFont(fontfile) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 237 | self.treemodel = FontTreeModel(self.font) |
| 238 | self.treeview = gtk.TreeView(self.treemodel) |
| 239 | #self.treeview.set_reorderable(True) |
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 | for i in range(2): |
Behnam Esfahbod | 25fc268 | 2013-09-03 20:27:14 -0700 | [diff] [blame] | 242 | col_name = ('Key', 'Value')[i] |
| 243 | col = gtk.TreeViewColumn(col_name) |
| 244 | col.set_sort_column_id(-1) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 245 | self.treeview.append_column(col) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 246 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 247 | cell = gtk.CellRendererText() |
| 248 | col.pack_start(cell, True) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 249 | col.add_attribute(cell, 'text', i) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 250 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 251 | self.treeview.set_search_column(1) |
| 252 | self.scrolled_window.add(self.treeview) |
| 253 | self.window.show_all() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 254 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 255 | def main(args): |
| 256 | if len(args) < 1: |
Khaled Hosny | 0e37f89 | 2013-09-12 11:13:39 +0200 | [diff] [blame] | 257 | print >>sys.stderr, "usage: pyftinspect font..." |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 258 | sys.exit(1) |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 259 | for arg in args: |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 260 | Inspect(arg) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 261 | gtk.main() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 262 | |
| 263 | if __name__ == "__main__": |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 264 | main(sys.argv[1:]) |