def _scale_layer_for_layer_exporter(self, image, layer, layer_exporter):
if not pdb.gimp_item_is_group(layer):
pdb.gimp_item_transform_scale(
layer,
layer.offsets[0] * self._preview_scaling_factor,
layer.offsets[1] * self._preview_scaling_factor,
(layer.offsets[0] + layer.width) * self._preview_scaling_factor,
(layer.offsets[1] + layer.height) * self._preview_scaling_factor)
def copy_and_insert_layer(image, layer, parent=None, position=0):
layer_copy = pdb.gimp_layer_new_from_drawable(layer, image)
pdb.gimp_image_insert_layer(image, layer_copy, parent, position)
pdb.gimp_item_set_visible(layer_copy, True)
if pdb.gimp_item_is_group(layer_copy):
layer_copy = pgpdb.merge_layer_group(layer_copy)
return layer_copy
def _scale_layer_for_layer_exporter(self, image, layer, layer_exporter):
if not pdb.gimp_item_is_group(layer):
pdb.gimp_item_transform_scale(
layer, layer.offsets[0] * self._preview_scaling_factor,
layer.offsets[1] * self._preview_scaling_factor,
(layer.offsets[0] + layer.width) *
self._preview_scaling_factor,
(layer.offsets[1] + layer.height) *
self._preview_scaling_factor)
def _layer_exporter_on_after_insert_layer(self, image, layer,
layer_exporter):
if not pdb.gimp_item_is_group(layer):
pdb.gimp_layer_scale(
layer,
max(1, int(round(layer.width * self._preview_scaling_factor))),
max(1,
int(round(layer.height * self._preview_scaling_factor))),
False)
def copy_and_insert_layer(image, layer, parent=None, position=0):
layer_copy = pdb.gimp_layer_new_from_drawable(layer, image)
pdb.gimp_image_insert_layer(image, layer_copy, parent, position)
pdb.gimp_item_set_visible(layer_copy, True)
if pdb.gimp_item_is_group(layer_copy):
layer_copy = pg.pdbutils.merge_layer_group(layer_copy)
return layer_copy
def _process_layers(image, layer_group, apply_layer_attributes, apply_layer_masks):
for layer in layer_group.children:
if pdb.gimp_item_is_group(layer):
layer = merge_layer_group(layer)
else:
if layer.opacity != 100.0 or layer.mode != gimpenums.NORMAL_MODE:
if apply_layer_attributes:
layer = _apply_layer_attributes(image, layer, layer_group)
else:
layer.opacity = 100.0
layer.mode = gimpenums.NORMAL_MODE
if layer.mask is not None:
if apply_layer_masks and pdb.gimp_layer_get_apply_mask(layer):
pdb.gimp_layer_remove_mask(layer, gimpenums.MASK_APPLY)
else:
pdb.gimp_layer_remove_mask(layer, gimpenums.MASK_DISCARD)
def _process_layers(image, layer_group, apply_layer_attributes, apply_layer_masks):
for layer in layer_group.children:
if pdb.gimp_item_is_group(layer):
layer = merge_layer_group(layer)
else:
if layer.opacity != 100.0 or layer.mode != gimpenums.NORMAL_MODE:
if apply_layer_attributes:
layer = _apply_layer_attributes(image, layer, layer_group)
else:
layer.opacity = 100.0
layer.mode = gimpenums.NORMAL_MODE
if layer.mask is not None:
if apply_layer_masks and pdb.gimp_layer_get_apply_mask(layer):
pdb.gimp_layer_remove_mask(layer, gimpenums.MASK_APPLY)
else:
pdb.gimp_layer_remove_mask(layer, gimpenums.MASK_DISCARD)
def merge_layer_group(layer_group):
"""
Merge layers in the specified layer group belonging to the specified image
into one layer.
This function can handle both top-level and nested layer groups.
"""
if not pdb.gimp_item_is_group(layer_group):
raise TypeError("'{}': not a layer group".format(layer_group.name))
image = layer_group.image
with undo_group(image):
orig_parent_and_pos = ()
if layer_group.parent is not None:
# Nested layer group
orig_parent_and_pos = (layer_group.parent,
pdb.gimp_image_get_item_position(
image, layer_group))
pdb.gimp_image_reorder_item(image, layer_group, None, 0)
orig_layer_visibility = [layer.visible for layer in image.layers]
for layer in image.layers:
layer.visible = False
layer_group.visible = True
merged_layer_group = pdb.gimp_image_merge_visible_layers(
image, gimpenums.EXPAND_AS_NECESSARY)
for layer, orig_visible in zip(image.layers, orig_layer_visibility):
layer.visible = orig_visible
if orig_parent_and_pos:
pdb.gimp_image_reorder_item(image, merged_layer_group,
orig_parent_and_pos[0],
orig_parent_and_pos[1])
return merged_layer_group
def merge_layer_group(layer_group):
"""
Merge layers in the specified layer group belonging to the specified image
into one layer.
This function can handle both top-level and nested layer groups.
"""
if not pdb.gimp_item_is_group(layer_group):
raise TypeError("'{}': not a layer group".format(layer_group.name))
image = layer_group.image
with undo_group(image):
orig_parent_and_pos = ()
if layer_group.parent is not None:
# Nested layer group
orig_parent_and_pos = (
layer_group.parent, pdb.gimp_image_get_item_position(image, layer_group))
pdb.gimp_image_reorder_item(image, layer_group, None, 0)
orig_layer_visibility = [layer.visible for layer in image.layers]
for layer in image.layers:
layer.visible = False
layer_group.visible = True
merged_layer_group = pdb.gimp_image_merge_visible_layers(
image, gimpenums.EXPAND_AS_NECESSARY)
for layer, orig_visible in zip(image.layers, orig_layer_visibility):
layer.visible = orig_visible
if orig_parent_and_pos:
pdb.gimp_image_reorder_item(
image, merged_layer_group, orig_parent_and_pos[0], orig_parent_and_pos[1])
return merged_layer_group
def _is_group(self, item):
return pdb.gimp_item_is_group(item)
