1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
import re
import gobject
import gtk
import goocanvas
from sugar.util import GObjectSingletonMeta
from sugar.canvas.IconColor import IconColor
class IconCache(gobject.GObject):
__metaclass__ = GObjectSingletonMeta
def __init__(self):
gobject.GObject.__init__(self)
self._icons = {}
def _create_icon(self, name, color, size):
theme = gtk.icon_theme_get_default()
info = theme.lookup_icon(name, size, 0)
icon_file = open(info.get_filename(), 'r')
data = icon_file.read()
icon_file.close()
if color != None:
fill = color.get_fill_color()
stroke = color.get_stroke_color()
style = '.fill {fill:%s;stroke:%s;}' % (fill, fill)
data = re.sub('\.fill \{.*\}', style, data)
style = '.shape {stroke:%s;fill:%s;}' % (stroke, stroke)
data = re.sub('\.shape \{.*\}', style, data)
style = '.shape-and-fill {fill:%s; stroke:%s;}' % (fill, stroke)
data = re.sub('\.shape-and-fill \{.*\}', style, data)
loader = gtk.gdk.pixbuf_loader_new_with_mime_type('image/svg-xml')
loader.set_size(size, size)
loader.write(data)
loader.close()
return loader.get_pixbuf()
def get_icon(self, name, color, size):
key = (name, color, size)
if self._icons.has_key(key):
return self._icons[key]
else:
icon = self._create_icon(name, color, size)
self._icons[key] = icon
return icon
class IconItem(goocanvas.Image):
__gproperties__ = {
'icon-name': (str, None, None, None,
gobject.PARAM_CONSTRUCT_ONLY |
gobject.PARAM_READWRITE),
'color' : (object, None, None,
gobject.PARAM_CONSTRUCT_ONLY |
gobject.PARAM_READWRITE),
'size' : (int, None, None,
0, 1024, 24,
gobject.PARAM_CONSTRUCT_ONLY |
gobject.PARAM_READWRITE)
}
def do_set_property(self, pspec, value):
if pspec.name == 'icon-name':
self._icon_name = value
elif pspec.name == 'color':
self._color = value
elif pspec.name == 'size':
self._size = value
def __init__(self, **kwargs):
goocanvas.Image.__init__(self, **kwargs)
if self._color:
cache = IconCache()
pixbuf = cache.get_icon(self._icon_name, self._color, self._size)
self.props.pixbuf = pixbuf
else:
theme = gtk.icon_theme_get_default()
pixbuf = theme.load_icon(self._icon_name, self._size, 0)
self.props.pixbuf = pixbuf
|
