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 | 1ae2959 | 2014-01-14 15:07:50 +0800 | [diff] [blame] | 8 | from __future__ import print_function, division, absolute_import |
Behdad Esfahbod | b21c903 | 2013-11-27 17:27:22 -0500 | [diff] [blame] | 9 | from fontTools.misc.py23 import * |
| 10 | from fontTools import misc, ttLib, cffLib |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 11 | import pygtk |
| 12 | pygtk.require('2.0') |
| 13 | import gtk |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 14 | import sys |
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 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 17 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 18 | class Row(object): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 19 | def __init__(self, parent, index, key, value, font): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 20 | self._parent = parent |
| 21 | self._index = index |
| 22 | self._key = key |
| 23 | self._value = value |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 24 | self._font = font |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 25 | |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 26 | if isinstance(value, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 27 | self._add_font(value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 28 | return |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 29 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 30 | if not isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 31 | # Try sequences |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 32 | is_sequence = True |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 33 | try: |
| 34 | len(value) |
| 35 | iter(value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 36 | # It's hard to differentiate list-type sequences |
| 37 | # from dict-type ones. Try fetching item 0. |
| 38 | value[0] |
Behdad Esfahbod | 583ce63 | 2013-09-04 09:56:51 -0400 | [diff] [blame] | 39 | except (TypeError, AttributeError, KeyError, IndexError): |
Behdad Esfahbod | 78b7494 | 2013-08-17 13:08:33 -0400 | [diff] [blame] | 40 | is_sequence = False |
| 41 | if is_sequence: |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 42 | self._add_list(key, value) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 43 | return |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 44 | if hasattr(value, '__dict__'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 45 | self._add_object(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 46 | return |
| 47 | if hasattr(value, 'items'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 48 | self._add_dict(key, value) |
Behdad Esfahbod | 7013279 | 2013-08-17 12:31:27 -0400 | [diff] [blame] | 49 | return |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 50 | |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 51 | if isinstance(value, basestring): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 52 | self._value_str = '"'+value+'"' |
| 53 | self._children = [] |
Behdad Esfahbod | aa55d75 | 2013-08-17 12:50:18 -0400 | [diff] [blame] | 54 | return |
| 55 | |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 56 | # Everything else |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 57 | self._children = [] |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 58 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 59 | def _filter_items(self): |
| 60 | items = [] |
| 61 | for k,v in self._items: |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 62 | if isinstance(v, ttLib.TTFont): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 63 | continue |
| 64 | if k in ['reader', 'file', 'tableTag', 'compileStatus', 'recurse']: |
| 65 | continue |
| 66 | if isinstance(k, basestring) and k[0] == '_': |
| 67 | continue |
| 68 | items.append((k,v)) |
| 69 | self._items = items |
| 70 | |
| 71 | def _add_font(self, font): |
| 72 | self._items = [(tag,font[tag]) for tag in font.keys()] |
| 73 | |
| 74 | def _add_object(self, key, value): |
| 75 | # Make sure item is decompiled |
| 76 | try: |
Behdad Esfahbod | ac10d81 | 2013-09-03 18:29:58 -0400 | [diff] [blame] | 77 | value["asdf"] |
Behdad Esfahbod | 227a495 | 2013-10-02 17:52:04 -0400 | [diff] [blame] | 78 | except (AttributeError, KeyError, TypeError, ttLib.TTLibError): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 79 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 80 | if isinstance(value, ttLib.getTableModule('glyf').Glyph): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 81 | # Glyph type needs explicit expanding to be useful |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 82 | value.expand(self._font['glyf']) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 83 | if isinstance(value, misc.psCharStrings.T2CharString): |
Behdad Esfahbod | 453ceed | 2013-08-18 16:53:57 -0400 | [diff] [blame] | 84 | try: |
| 85 | value.decompile() |
| 86 | except TypeError: # Subroutines can't be decompiled |
| 87 | pass |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 88 | if isinstance(value, cffLib.BaseDict): |
Behdad Esfahbod | e331431 | 2013-08-18 16:40:18 -0400 | [diff] [blame] | 89 | for k in value.rawDict.keys(): |
| 90 | getattr(value, k) |
Behnam Esfahbod | 1a281ee | 2013-09-03 20:56:24 -0700 | [diff] [blame] | 91 | if isinstance(value, cffLib.Index): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 92 | # Load all items |
| 93 | for i in range(len(value)): |
| 94 | value[i] |
| 95 | # Discard offsets as should not be needed anymore |
| 96 | if hasattr(value, 'offsets'): |
| 97 | del value.offsets |
| 98 | |
| 99 | self._value_str = value.__class__.__name__ |
Behnam Esfahbod | f7e0c67 | 2013-09-03 21:56:30 -0700 | [diff] [blame] | 100 | if isinstance(value, ttLib.tables.DefaultTable.DefaultTable): |
| 101 | self._value_str += ' (%d Bytes)' % self._font.reader.tables[key].length |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 102 | self._items = sorted(value.__dict__.items()) |
| 103 | self._filter_items() |
| 104 | |
| 105 | def _add_dict(self, key, value): |
| 106 | self._value_str = '%s of %d items' % (value.__class__.__name__, len(value)) |
| 107 | self._items = sorted(value.items()) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 108 | |
| 109 | def _add_list(self, key, value): |
| 110 | if len(value) and len(value) <= 32: |
| 111 | self._value_str = str(value) |
| 112 | else: |
| 113 | self._value_str = '%s of %d items' % (value.__class__.__name__, |
| 114 | len(value)) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 115 | self._items = list(enumerate(value)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 116 | |
| 117 | def __len__(self): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 118 | if hasattr(self, '_children'): |
| 119 | return len(self._children) |
| 120 | if hasattr(self, '_items'): |
| 121 | return len(self._items) |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 122 | assert False |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 123 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 124 | def _ensure_children(self): |
| 125 | if hasattr(self, '_children'): |
| 126 | return |
| 127 | children = [] |
| 128 | for i,(k,v) in enumerate(self._items): |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 129 | children.append(Row(self, i, k, v, self._font)) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 130 | self._children = children |
| 131 | del self._items |
| 132 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 133 | def __getitem__(self, n): |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 134 | if n >= len(self): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 135 | return None |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 136 | if not hasattr(self, '_children'): |
| 137 | self._children = [None] * len(self) |
| 138 | c = self._children[n] |
| 139 | if c is None: |
| 140 | k,v = self._items[n] |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 141 | c = self._children[n] = Row(self, n, k, v, self._font) |
Behdad Esfahbod | 8623d02 | 2013-08-18 17:19:13 -0400 | [diff] [blame] | 142 | self._items[n] = None |
| 143 | return c |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 144 | |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 145 | def get_parent(self): |
| 146 | return self._parent |
| 147 | |
| 148 | def get_index(self): |
| 149 | return self._index |
| 150 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 151 | def get_key(self): |
| 152 | return self._key |
| 153 | |
| 154 | def get_value(self): |
| 155 | return self._value |
| 156 | |
| 157 | def get_value_str(self): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 158 | if hasattr(self,'_value_str'): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 159 | return self._value_str |
| 160 | return str(self._value) |
| 161 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 162 | class FontTreeModel(gtk.GenericTreeModel): |
| 163 | |
| 164 | __gtype_name__ = 'FontTreeModel' |
| 165 | |
| 166 | def __init__(self, font): |
| 167 | super(FontTreeModel, self).__init__() |
| 168 | self._columns = (str, str) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 169 | self.font = font |
Behdad Esfahbod | 2284990 | 2013-09-03 18:26:29 -0400 | [diff] [blame] | 170 | self._root = Row(None, 0, "font", font, font) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 171 | |
| 172 | def on_get_flags(self): |
| 173 | return 0 |
| 174 | |
| 175 | def on_get_n_columns(self): |
| 176 | return len(self._columns) |
| 177 | |
| 178 | def on_get_column_type(self, index): |
| 179 | return self._columns[index] |
| 180 | |
| 181 | def on_get_iter(self, path): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 182 | rowref = self._root |
| 183 | while path: |
| 184 | rowref = rowref[path[0]] |
| 185 | path = path[1:] |
| 186 | return rowref |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 187 | |
| 188 | def on_get_path(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 189 | path = [] |
| 190 | while rowref != self._root: |
| 191 | path.append(rowref.get_index()) |
| 192 | rowref = rowref.get_parent() |
| 193 | path.reverse() |
| 194 | return tuple(path) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 195 | |
| 196 | def on_get_value(self, rowref, column): |
| 197 | if column == 0: |
| 198 | return rowref.get_key() |
| 199 | else: |
| 200 | return rowref.get_value_str() |
| 201 | |
| 202 | def on_iter_next(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 203 | return rowref.get_parent()[rowref.get_index() + 1] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 204 | |
| 205 | def on_iter_children(self, rowref): |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 206 | return rowref[0] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 207 | |
| 208 | def on_iter_has_child(self, rowref): |
| 209 | return bool(len(rowref)) |
| 210 | |
| 211 | def on_iter_n_children(self, rowref): |
| 212 | return len(rowref) |
| 213 | |
| 214 | def on_iter_nth_child(self, rowref, n): |
| 215 | if not rowref: rowref = self._root |
Behdad Esfahbod | 62d1d24 | 2013-08-18 17:04:59 -0400 | [diff] [blame] | 216 | return rowref[n] |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 217 | |
| 218 | def on_iter_parent(self, rowref): |
| 219 | return rowref.get_parent() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 220 | |
Behdad Esfahbod | b475c03 | 2013-11-28 14:26:48 -0500 | [diff] [blame] | 221 | class Inspect(object): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 222 | |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 223 | def _delete_event(self, widget, event, data=None): |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 224 | gtk.main_quit() |
| 225 | return False |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 226 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 227 | def __init__(self, fontfile): |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 228 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 229 | self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 230 | self.window.set_title("%s - pyftinspect" % fontfile) |
Behdad Esfahbod | 75858f6 | 2013-08-19 13:01:45 -0400 | [diff] [blame] | 231 | self.window.connect("delete_event", self._delete_event) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 232 | self.window.set_size_request(400, 600) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 233 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 234 | self.scrolled_window = gtk.ScrolledWindow() |
| 235 | self.window.add(self.scrolled_window) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 236 | |
Behdad Esfahbod | 283fb26 | 2013-12-16 00:50:48 -0500 | [diff] [blame] | 237 | self.font = ttLib.TTFont(fontfile, lazy=True) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 238 | self.treemodel = FontTreeModel(self.font) |
| 239 | self.treeview = gtk.TreeView(self.treemodel) |
| 240 | #self.treeview.set_reorderable(True) |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 241 | |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 242 | for i in range(2): |
Behnam Esfahbod | 25fc268 | 2013-09-03 20:27:14 -0700 | [diff] [blame] | 243 | col_name = ('Key', 'Value')[i] |
| 244 | col = gtk.TreeViewColumn(col_name) |
| 245 | col.set_sort_column_id(-1) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 246 | self.treeview.append_column(col) |
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 | cell = gtk.CellRendererText() |
| 249 | col.pack_start(cell, True) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 250 | col.add_attribute(cell, 'text', i) |
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 | self.treeview.set_search_column(1) |
| 253 | self.scrolled_window.add(self.treeview) |
| 254 | self.window.show_all() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 255 | |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 256 | def main(args): |
| 257 | if len(args) < 1: |
Behdad Esfahbod | b21c903 | 2013-11-27 17:27:22 -0500 | [diff] [blame] | 258 | print("usage: pyftinspect font...", file=sys.stderr) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 259 | sys.exit(1) |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 260 | for arg in args: |
Behdad Esfahbod | cebcf17 | 2013-09-06 18:23:13 -0400 | [diff] [blame] | 261 | Inspect(arg) |
Behdad Esfahbod | 1d6e726 | 2013-08-18 16:08:44 -0400 | [diff] [blame] | 262 | gtk.main() |
Behdad Esfahbod | be4809c | 2013-08-17 11:40:00 -0400 | [diff] [blame] | 263 | |
| 264 | if __name__ == "__main__": |
Behdad Esfahbod | 1158118 | 2013-08-29 18:30:26 -0400 | [diff] [blame] | 265 | main(sys.argv[1:]) |