def test_reload_asyncimage(self):
from kivy.resources import resource_find
from kivy.uix.image import AsyncImage
temp_dir = mkdtemp()
event = Event()
image = AsyncImage()
image.bind(on_load=lambda *args, **kwargs: event.set())
fn = resource_find('data/logo/kivy-icon-16.png')
source = join(temp_dir, 'source.png')
copyfile(fn, source)
event.clear()
image.source = source
self.wait_for_event_or_timeout(event)
self.render(image, framecount=2)
self.assertEqual(image.texture_size, [16, 16])
remove(source)
fn = resource_find('data/logo/kivy-icon-32.png')
copyfile(fn, source)
event.clear()
image.reload()
self.wait_for_event_or_timeout(event)
self.render(image, framecount=2)
self.assertEqual(image.texture_size, [32, 32])
remove(source)
rmtree(temp_dir)
def load_zipimage(self, source, frames):
# load ZIP with images named: 000.png, 001.png, ...
from kivy.uix.image import AsyncImage
event = Event()
image = AsyncImage(anim_delay=0.0333333333333333)
# bind to 'on_load' because there are various
# steps where the image is (re)loaded, but
# the event is triggered only at the end
image.bind(on_load=lambda *args, **kwargs: event.set())
image.source = source
self.wait_for_event_or_timeout(event)
self.render(image)
proxyimg = image._coreimage
self.assertTrue(proxyimg.anim_available)
self.assertEqual(len(proxyimg.image.textures), frames)
return image
