133 lines
4.2 KiB
Python
133 lines
4.2 KiB
Python
import os
|
|
import xml.etree.ElementTree as etree
|
|
|
|
from lib import util
|
|
|
|
|
|
def get_inkscape_layers(svg_path):
|
|
document = etree.parse(svg_path)
|
|
|
|
def iter_layers():
|
|
nodes = document.findall(
|
|
'{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
|
|
|
|
for i in nodes:
|
|
inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip()
|
|
|
|
if inkscape_name.endswith(']'):
|
|
export_name, args = inkscape_name[:-1].rsplit('[', 1)
|
|
|
|
export_name = export_name.strip()
|
|
args = args.strip()
|
|
|
|
use_paths = 'p' in args
|
|
else:
|
|
use_paths = False
|
|
export_name = inkscape_name
|
|
|
|
yield Layer(inkscape_name, export_name, use_paths)
|
|
|
|
return list(iter_layers())
|
|
|
|
|
|
def _inkscape(svg_path, verbs):
|
|
def iter_args():
|
|
yield os.environ['INKSCAPE']
|
|
|
|
for i in verbs:
|
|
yield '--verb'
|
|
yield i
|
|
|
|
yield svg_path
|
|
|
|
util.command(list(iter_args()))
|
|
|
|
|
|
class Layer(object):
|
|
def __init__(self, inkscape_name, export_name, use_paths):
|
|
self.inkscape_name = inkscape_name
|
|
self.export_name = export_name
|
|
self.use_paths = use_paths
|
|
|
|
|
|
class InkscapeCommandLine(object):
|
|
def __init__(self, path):
|
|
self._path = path
|
|
self._layers = get_inkscape_layers(path)
|
|
self._current_layer_index = None
|
|
self._verbs = []
|
|
|
|
def apply_to_document(self, *verb):
|
|
self._verbs.extend(verb)
|
|
|
|
def apply_to_layer(self, layer, *verb):
|
|
self._go_to_layer(layer)
|
|
self.apply_to_document(*verb)
|
|
|
|
def select_all_in_layer(self, layer):
|
|
self.apply_to_layer(layer, 'EditSelectAll')
|
|
|
|
def apply_to_layer_content(self, layer, *verbs):
|
|
self.select_all_in_layer(layer)
|
|
self.apply_to_document(*verbs)
|
|
|
|
def _go_to_layer(self, layer, with_selection=False):
|
|
if self._current_layer_index is None:
|
|
# Initialize to a known state. We cannot assume that any layer is
|
|
# selected and thus we need as many LayerPrev as we have layers.
|
|
self._current_layer_index = len(self._layers)
|
|
self._go_to_layer(self._layers[0])
|
|
|
|
target_index = self._layers.index(layer)
|
|
|
|
if with_selection:
|
|
next_command = 'LayerMoveToNext'
|
|
previous_command = 'LayerMoveToPrev'
|
|
else:
|
|
next_command = 'LayerNext'
|
|
previous_command = 'LayerPrev'
|
|
|
|
while self._current_layer_index != target_index:
|
|
if self._current_layer_index < target_index:
|
|
self.apply_to_document(next_command)
|
|
self._current_layer_index += 1
|
|
else:
|
|
self.apply_to_document(previous_command)
|
|
self._current_layer_index -= 1
|
|
|
|
if with_selection:
|
|
# When using LayerMoveToNext and LayerMoveToPrev, inkscape does
|
|
# not reliably select the next/previous layer.
|
|
self._current_layer_index = None
|
|
|
|
def duplicate_layer(self, layer):
|
|
self.apply_to_layer(layer, 'LayerDuplicate')
|
|
|
|
# Inkscape 0.91 places a duplicated layer above (after) the selected
|
|
# one and selects the new layer.
|
|
new_layer = Layer(layer.inkscape_name + ' copy', layer.export_name, layer.use_paths)
|
|
self._current_layer_index += 1
|
|
self._layers.insert(self._current_layer_index, new_layer)
|
|
|
|
return new_layer
|
|
|
|
def delete_layer(self, layer):
|
|
self.apply_to_layer(layer, 'LayerDelete')
|
|
|
|
# Inkscape 0.91 selects the layer above (after) the deleted layer.
|
|
del self._layers[self._current_layer_index]
|
|
|
|
def clear_layer(self, layer):
|
|
self.select_all_in_layer(layer)
|
|
self.apply_to_document('EditDelete')
|
|
|
|
def move_content(self, source_layer, target_layer):
|
|
self.select_all_in_layer(source_layer)
|
|
self._go_to_layer(target_layer, True)
|
|
|
|
def run(self):
|
|
_inkscape(self._path, self._verbs)
|
|
|
|
@property
|
|
def layers(self):
|
|
return list(self._layers)
|