def test_resize_animated_gif(self):
with open('tests/images/newtons_cradle.gif', 'rb') as f:
backend = pillow_backend.PillowBackend.from_file(f)
pillow_backend.resize(self.backend, 100, 75)
self.assertFalse(pillow_backend.has_alpha(backend))
self.assertTrue(pillow_backend.has_animation(backend))
def test_transparent_gif(self):
with open('tests/images/transparent.gif', 'rb') as f:
backend = pillow_backend.PillowBackend.from_file(f)
self.assertTrue(pillow_backend.has_alpha(backend))
self.assertFalse(pillow_backend.has_animation(backend))
# Check that the alpha of pixel 1,1 is 0
self.assertEqual(backend.image.convert('RGBA').getpixel((1, 1))[3], 0)
def test_save_transparent_gif(self):
with open('tests/images/transparent.gif', 'rb') as f:
backend = pillow_backend.PillowBackend.from_file(f)
# Save it into memory
f = io.BytesIO()
pillow_backend.save_as_gif(backend, f)
# Reload it
f.seek(0)
backend = pillow_backend.PillowBackend.from_file(f)
self.assertTrue(pillow_backend.has_alpha(backend))
self.assertFalse(pillow_backend.has_animation(backend))
# Check that the alpha of pixel 1,1 is 0
self.assertEqual(backend.image.convert('RGBA').getpixel((1, 1))[3], 0)
def test_has_animation(self):
has_animation = pillow_backend.has_animation(self.backend)
self.assertFalse(has_animation)
