9f3e7bf14d
Inkscape does not reliably select the previous or next layer when using LayerMoveToPrev or LayerMoveToNext.
125 lines
3.5 KiB
Python
125 lines
3.5 KiB
Python
import os
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import xml.etree.ElementTree as etree
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from lib import util
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def get_inkscape_layers(svg_path):
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document = etree.parse(svg_path)
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def iter_layers():
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nodes = document.findall(
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'{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
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for i in nodes:
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inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip()
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if inkscape_name.endswith(']'):
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export_name, args = inkscape_name[:-1].rsplit('[', 1)
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export_name = export_name.strip()
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args = args.strip()
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use_paths = 'p' in args
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else:
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use_paths = False
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export_name = inkscape_name
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yield Layer(inkscape_name, export_name, use_paths)
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return list(iter_layers())
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def _inkscape(svg_path, verbs):
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def iter_args():
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yield os.environ['INKSCAPE']
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for i in verbs:
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yield '--verb'
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yield i
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yield svg_path
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util.command(list(iter_args()))
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class Layer(object):
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def __init__(self, inkscape_name, export_name, use_paths):
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self.inkscape_name = inkscape_name
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self.export_name = export_name
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self.use_paths = use_paths
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class InkscapeCommandLine(object):
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def __init__(self, path):
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self._path = path
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self._layers = get_inkscape_layers(path)
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self._current_layer_index = None
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self._verbs = []
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def apply_to_document(self, *verb):
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self._verbs.extend(verb)
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def apply_to_layer(self, layer, *verb):
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self._go_to_layer(layer)
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self.apply_to_document(*verb)
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def select_all_in_layer(self, layer):
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self.apply_to_layer(layer, 'EditSelectAll')
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def apply_to_layer_content(self, layer, *verbs):
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self.select_all_in_layer(layer)
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self.apply_to_document(*verbs)
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def _go_to_layer(self, layer, with_selection = False):
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if self._current_layer_index is None:
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# Initialize to a known state. We cannot assume that any layer is selected and thus we need as many LayerPrev as we have layers.
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self._current_layer_index = len(self._layers)
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self._go_to_layer(self._layers[0])
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target_index = self._layers.index(layer)
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if self._current_layer_index < target_index:
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for _ in range(target_index - self._current_layer_index):
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self.apply_to_document('LayerMoveToNext' if with_selection else 'LayerNext')
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elif self._current_layer_index > target_index:
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for _ in range(self._current_layer_index - target_index):
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self.apply_to_document('LayerMoveToPrev' if with_selection else 'LayerPrev')
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else:
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return
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if with_selection:
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# When using LayerMoveToNext and LayerMoveToPrev, inkscape does not reliably select the next/previous layer.
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self._current_layer_index = None
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else:
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self._current_layer_index = target_index
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def duplicate_layer(self, layer):
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self.apply_to_layer(layer, 'LayerDuplicate')
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# Inkscape 0.91 places a duplicated layer above (after) the selected one and selects the new layer.
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new_layer = Layer(layer.inkscape_name + ' copy', layer.export_name, layer.use_paths)
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self._current_layer_index += 1
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self._layers.insert(self._current_layer_index, new_layer)
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return new_layer
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def delete_layer(self, layer):
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self.apply_to_layer(layer, 'LayerDelete')
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# Inkscape 0.91 selects the layer above (after) the deleted layer.
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del self._layers[self._current_layer_index]
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def clear_layer(self, layer):
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self.select_all_in_layer(layer)
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self.apply_to_document('EditDelete')
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def move_content(self, source_layer, target_layer):
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self.select_all_in_layer(source_layer)
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self._go_to_layer(target_layer, True)
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def run(self):
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_inkscape(self._path, self._verbs)
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@property
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def layers(self):
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return list(self._layers)
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