kopia lustrzana https://github.com/inkstitch/inkstitch
Lpe Satin: objects to paths (#2213)
* lpe satin: objects to paths * option to link path effects on multiple objects or to use independentlypull/2127/head
Kaalleen
GitHub
rodzic
3ef31628cb
commit
6273393b90
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@ -611,11 +611,11 @@ export default {
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this.svg.on('zoom', this.resizeCursor)
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this.resizeCursor()
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inkStitch.get('page_specs').then(response => {
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this.page_specs = response.data
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this.generatePage()
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})
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this.start()
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})
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inkStitch.get('page_specs').then(response => {
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this.page_specs = response.data
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this.generatePage()
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})
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}
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}
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@ -26,6 +26,7 @@ class StrokeToLpeSatin(InkstitchExtension):
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self.arg_parser.add_argument("-l", "--length", type=float, default=15, dest="length")
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self.arg_parser.add_argument("-t", "--stretched", type=inkex.Boolean, default=False, dest="stretched")
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self.arg_parser.add_argument("-r", "--rungs", type=inkex.Boolean, default=False, dest="add_rungs")
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self.arg_parser.add_argument("-s", "--path-specific", type=inkex.Boolean, default=True, dest="path_specific")
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def effect(self):
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if not self.svg.selection or not self.get_elements():
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@ -52,48 +53,79 @@ class StrokeToLpeSatin(InkstitchExtension):
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pattern_path = pattern_obj.get_path(self.options.add_rungs, min_width, max_width, length, self.svg.unit)
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pattern_node_type = pattern_obj.node_types
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if not self.options.path_specific:
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lpe = self._create_lpe_element(pattern, pattern_path, pattern_node_type)
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for element in self.elements:
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if self.options.path_specific:
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lpe = self._create_lpe_element(pattern, pattern_path, pattern_node_type, element)
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if isinstance(element, SatinColumn):
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self._process_satin_column(element, lpe)
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elif isinstance(element, Stroke):
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self._process_stroke(element, lpe)
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def _create_lpe_element(self, pattern, pattern_path, pattern_node_type, element=None):
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# define id for the lpe path
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if not element:
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lpe_id = f'inkstitch-effect-{pattern}'
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else:
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lpe_id = f'inkstitch-effect-{pattern}-{element.id}'
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# it is possible, that there is already a path effect with this id, if so, use it
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previous_lpe = self.svg.getElementById(lpe_id)
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if previous_lpe is not None:
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return previous_lpe
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# the lpe 'pattern along path' has two options to repeat the pattern, get user input
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copy_type = 'repeated' if self.options.stretched is False else 'repeated_stretched'
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lpe = inkex.PathEffect(attrib={'id': lpe_id,
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'effect': "skeletal",
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'is_visible': "true",
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'lpeversion': "1",
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'pattern': pattern_path,
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'copytype': copy_type,
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'prop_scale': "1",
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'scale_y_rel': "false",
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'spacing': "0",
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'normal_offset': "0",
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'tang_offset': "0",
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'prop_units': "false",
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'vertical_pattern': "false",
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'hide_knot': "false",
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'fuse_tolerance': "0.02",
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'pattern-nodetypes': pattern_node_type})
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# add the path effect element to the defs section
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self.lpe = inkex.PathEffect(attrib={'id': f'inkstitch-effect-{pattern}',
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'effect': "skeletal",
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'is_visible': "true",
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'lpeversion': "1",
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'pattern': pattern_path,
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'copytype': copy_type,
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'prop_scale': "1",
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'scale_y_rel': "false",
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'spacing': "0",
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'normal_offset': "0",
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'tang_offset': "0",
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'prop_units': "false",
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'vertical_pattern': "false",
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'hide_knot': "false",
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'fuse_tolerance': "0.02",
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'pattern-nodetypes': pattern_node_type})
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self.svg.defs.add(self.lpe)
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self.svg.defs.add(lpe)
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return lpe
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for element in self.elements:
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if isinstance(element, SatinColumn):
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self._process_satin_column(element)
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elif isinstance(element, Stroke):
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self._process_stroke(element)
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def _process_stroke(self, element, lpe):
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element = self._ensure_path_element(element, lpe)
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def _process_stroke(self, element):
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previous_effects = element.node.get(PATH_EFFECT, None)
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if not previous_effects:
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element.node.set(PATH_EFFECT, self.lpe.get_id(as_url=1))
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element.node.set(PATH_EFFECT, lpe.get_id(as_url=1))
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element.node.set(ORIGINAL_D, element.node.get('d', ''))
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else:
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url = previous_effects + ';' + self.lpe.get_id(as_url=1)
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url = previous_effects + ';' + lpe.get_id(as_url=1)
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element.node.set(PATH_EFFECT, url)
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element.node.pop('d')
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element.set_param('satin_column', 'true')
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element.node.style['stroke-width'] = self.svg.viewport_to_unit('0.756')
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def _process_satin_column(self, element):
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def _ensure_path_element(self, element, lpe):
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# elements other than paths (rectangle, circles, etc.) can be handled by inkscape for lpe
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# but they are way easier to handle for us if we turn them into paths
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if element.node.TAG == 'path':
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return element
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path_element = element.node.to_path_element()
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parent = element.node.getparent()
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parent.replace(element.node, path_element)
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return Stroke(path_element)
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def _process_satin_column(self, element, lpe):
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current_effects = element.node.get(PATH_EFFECT, None)
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# there are possibly multiple path effects, let's check if inkstitch-effect is among them
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if not current_effects or 'inkstitch-effect' not in current_effects:
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@ -106,10 +138,11 @@ class StrokeToLpeSatin(InkstitchExtension):
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inkstitch_effect = current_effects[inkstitch_effect_position][1:]
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# get the path effect element
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old_effect_element = self.svg.getElementById(inkstitch_effect)
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# remove the old inkstitch-effect
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old_effect_element.getparent().remove(old_effect_element)
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# update the path effect link
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current_effects[inkstitch_effect_position] = self.lpe.get_id(as_url=1)
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# remove the old inkstitch-effect if it is path specific
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if inkstitch_effect.endswith(element.id):
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old_effect_element.getparent().remove(old_effect_element)
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# update path effect link
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current_effects[inkstitch_effect_position] = lpe.get_id(as_url=1)
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element.node.set(PATH_EFFECT, ';'.join(current_effects))
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element.node.pop('d')
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@ -20,6 +20,8 @@
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<param name="length" type="float" precision="1" min="0.1" max="100" gui-text="Pattern Length (mm)">15</param>
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<param name="stretched" type="boolean" gui-text="Stretched">false</param>
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<param name="rungs" type="boolean" gui-text="Add rungs">true</param>
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<param name="path-specific" type="boolean" gui-text="Path specific"
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description="When disabled, changes on the path effect will apply to all elements with the same path effect.">true</param>
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</page>
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<page name="info" gui-text="Help">
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<label appearance="header">This extension converts a stroke into a satin column using the path effect "pattern along path".</label>
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