def test_removing_layer(): layers = LayerList() layer = Image(np.random.random((10, 10))) layers.append(layer) layers.remove(layer) assert len(layers) == 0
def _merge_stack(ll: LayerList, rgb=False): selection = list(ll.selection) for layer in selection: ll.remove(layer) if rgb: new = stack_utils.merge_rgb(selection) else: new = stack_utils.images_to_stack(selection) ll.append(new)
def _split_stack(ll: LayerList, axis: int = 0): layer = ll.selection.active if not layer: return if layer.rgb: images = stack_utils.split_rgb(layer) else: images = stack_utils.stack_to_images(layer, axis) ll.remove(layer) ll.extend(images) ll.selection = set(images) # type: ignore
def test_ndim(): """Test world extent after adding layers.""" np.random.seed(0) layers = LayerList() assert layers.ndim == 2 # Add one layer layer_a = Image(np.random.random((10, 15))) layers.append(layer_a) assert layers.ndim == 2 # Add another layer layer_b = Image(np.random.random((8, 6, 15))) layers.append(layer_b) assert layers.ndim == 3 # Remove layer layers.remove(layer_b) assert layers.ndim == 2
def test_removing_layers(qtbot): """ Test removing layers. """ layers = LayerList() view = QtLayerList(layers) qtbot.addWidget(view) layer_a = Image(np.random.random((10, 10))) layer_b = Image(np.random.random((15, 15))) layer_c = Image(np.random.random((15, 15))) layer_d = Image(np.random.random((15, 15))) layers.append(layer_a) layers.append(layer_b) layers.append(layer_c) layers.append(layer_d) # Check layout and layers list match after removing a layer layers.remove(layer_b) assert view.vbox_layout.count() == 2 * (len(layers) + 1) assert check_layout_layers(view.vbox_layout, layers) assert check_layout_dividers(view.vbox_layout, len(layers)) # Check layout and layers list match after removing a layer layers.remove(layer_d) assert view.vbox_layout.count() == 2 * (len(layers) + 1) assert check_layout_layers(view.vbox_layout, layers) assert check_layout_dividers(view.vbox_layout, len(layers)) layers.append(layer_b) layers.append(layer_d) # Select first and third layers for layer, s in zip(layers, [True, True, False, False]): layer.selected = s layers.remove_selected() assert view.vbox_layout.count() == 2 * (len(layers) + 1) assert check_layout_layers(view.vbox_layout, layers) assert check_layout_dividers(view.vbox_layout, len(layers))