53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
import re
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import gobject
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import gtk
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import goocanvas
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from sugar.util import GObjectSingletonMeta
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class IconCache(gobject.GObject):
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__metaclass__ = GObjectSingletonMeta
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def __init__(self):
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gobject.GObject.__init__(self)
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self._icons = {}
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def _create_icon(self, name, color, size):
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theme = gtk.icon_theme_get_default()
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info = theme.lookup_icon(name, size, 0)
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icon_file = open(info.get_filename(), 'r')
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data = icon_file.read()
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icon_file.close()
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if color != None:
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style = '.fill-color {fill: %s;}' % (color)
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data = re.sub('\.fill-color \{.*\}', style, data)
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style = '.fill-and-stroke-color {fill: %s; stroke: %s;}' % (color, color)
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data = re.sub('\.fill-and-stroke-color \{.*\}', style, data)
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loader = gtk.gdk.pixbuf_loader_new_with_mime_type('image/svg-xml')
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loader.set_size(size, size)
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loader.write(data)
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loader.close()
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return loader.get_pixbuf()
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def get_icon(self, name, color, size):
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key = (name, color, size)
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if self._icons.has_key(key):
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return self._icons[key]
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else:
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icon = self._create_icon(name, color, size)
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self._icons[key] = icon
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return icon
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class IconItem(goocanvas.Image):
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def __init__(self, icon_name, color, size, **kwargs):
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goocanvas.Image.__init__(self, **kwargs)
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icon_cache = IconCache()
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pixbuf = icon_cache.get_icon(icon_name, color, size)
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self.set_property('pixbuf', pixbuf)
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