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)