def duplicate(image, metadata_only=False):
"""
Duplicate the specified image.
If `metadata_only` is True, copy image metadata only, do not copy layers,
channels or paths.
"""
if not metadata_only:
new_image = pdb.gimp_image_duplicate(image)
else:
new_image = pdb.gimp_image_new(image.width, image.height,
image.base_type)
pdb.gimp_image_set_resolution(new_image,
*pdb.gimp_image_get_resolution(image))
if image.base_type == gimpenums.INDEXED:
pdb.gimp_image_set_colormap(new_image,
*pdb.gimp_image_get_colormap(image))
# Copy image parasites
unused_, parasite_names = pdb.gimp_image_get_parasite_list(image)
for name in parasite_names:
parasite = image.parasite_find(name)
# `pdb.gimp_image_parasite_attach` fails for some reason - use
# `gimp.Image.parasite_attach` instead.
new_image.parasite_attach(
gimp.Parasite(parasite.name, parasite.flags, parasite.data))
return new_image
def create_image_from_metadata(image_to_copy_metadata_from):
"""
Create a new image with metadata (dimensions, base type, parasites, etc.)
copied from `image_to_copy_metadata_from`.
Layers, channels or paths are not copied. For a full image copy, use
`pdb.gimp_image_duplicate()`.
"""
image = image_to_copy_metadata_from
new_image = pdb.gimp_image_new(image.width, image.height, image.base_type)
pdb.gimp_image_set_resolution(new_image,
*pdb.gimp_image_get_resolution(image))
pdb.gimp_image_set_unit(new_image, pdb.gimp_image_get_unit(image))
if image.base_type == gimpenums.INDEXED:
pdb.gimp_image_set_colormap(new_image,
*pdb.gimp_image_get_colormap(image))
# Copy image parasites
unused_, parasite_names = pdb.gimp_image_get_parasite_list(image)
for name in parasite_names:
parasite = image.parasite_find(name)
# `pdb.gimp_image_parasite_attach` fails for some reason - use
# `gimp.Image.parasite_attach` instead.
new_image.parasite_attach(
gimp.Parasite(parasite.name, parasite.flags, parasite.data))
return new_image
def _save_tags(self):
"""
Save tags persistently to the item.
"""
self._item.parasite_detach(self._tags_source_name)
if self._tags:
self._item.parasite_attach(
gimp.Parasite(
self._tags_source_name, gimpenums.PARASITE_PERSISTENT
| gimpenums.PARASITE_UNDOABLE, pickle.dumps(self._tags)))
def write(self, settings):
settings_from_parasite = self._read_from_parasite(self.source_name)
if settings_from_parasite is not None:
settings_to_write = settings_from_parasite
settings_to_write.update(self._to_dict(settings))
else:
settings_to_write = self._to_dict(settings)
settings_data = pickle.dumps(settings_to_write)
gimp.parasite_attach(
gimp.Parasite(self.source_name, gimpenums.PARASITE_PERSISTENT,
settings_data))
def write_dict(self, setting_names_and_values):
data = pickle.dumps(setting_names_and_values)
gimp.parasite_attach(
gimp.Parasite(self.source_name, gimpenums.PARASITE_PERSISTENT,
data))
def get_parasite(self): return gimp.Parasite(*self._get_values())
def write(self, settings):
settings_data = pickle.dumps(self._to_dict(settings))
gimp.parasite_attach(
gimp.Parasite(self.source_name, gimpenums.PARASITE_PERSISTENT,
settings_data))
