def __init__(self, icon):
""" Animate a gtk.Image
Keywords:
icon: pass either:
- None - creates empty image with self.SIZE
- string - for a static icon
- string - for a image with multiple sub icons
- list of string pathes
- a gtk.gdk.Pixbuf if you require a static image
"""
super(AnimatedImage, self).__init__()
self._progressN = 0
if icon is None:
icon = GdkPixbuf.new(GdkPixbuf.Colorspace.RGB, True, 8, 1, 1)
icon.fill(0)
if isinstance(icon, list):
self.images = []
for f in icon:
self.images.append(GdkPixbuf.Pixbuf.new_from_file(f))
elif isinstance(icon, GdkPixbuf.Pixbuf):
self.images = [icon]
self.set_from_pixbuf(icon)
elif isinstance(icon, str):
self._imagefiles = icon
self.images = []
if not self._imagefiles:
raise IOError, "no images for the animation found in '%s'" % icon
# construct self.images list
pixbuf_orig = GdkPixbuf.Pixbuf.new_from_file(icon)
pixbuf_buffer = pixbuf_orig.copy()
x = 0
y = 0
for f in range((pixbuf_orig.get_width() / self.SIZE) *
(pixbuf_orig.get_height() / self.SIZE)):
pixbuf_orig.copy_area(x, y, self.SIZE, self.SIZE, pixbuf_buffer, 0, 0)
self.images.append(pixbuf_buffer)
if x == (pixbuf_orig.get_width() - self.SIZE):
x = 0
y += self.SIZE
else:
x += self.SIZE
self.set_from_pixbuf(self.images[self._progressN])
self.connect("show", self.start)
self.connect("hide", self.stop)
else:
raise IOError, "need a str, list or a pixbuf"
