Added applytransforms option to Styles To Layers; fixed layers being
children of other layers; added hairline option
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@ -5,6 +5,7 @@
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<param name="separateby" gui-text="Separate by" type="optiongroup" appearance="combo">
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<option value="stroke">Stroke color</option>
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<option value="stroke_width">Stroke width</option>
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<option value="stroke_hairline">Stroke hairline</option>
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<option value="stroke_opacity">Stroke opacity</option>
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<option value="fill">Fill color</option>
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<option value="fill_opacity">Fill opacity</option>
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@ -15,9 +16,10 @@
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<option value="saturation">Saturation</option>
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<option value="luminance">Luminance</option>
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</param>
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<param name="subdividethreshold" gui-text="Number of sub layers" gui-description="A min/max range of the selected style type value will be calculated and you retrieve a set of layer (coarse grouping) with sub-layers (fine grouping). If you have less calculated sub layers than this threshold it will be limited automatically." type="int" min="1" max="9999">1</param>
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<param name="decimals" gui-text="Decimal tolerance" gui-description="The more decimals the more distinct layers you will get. This only applies for the sub layers (threshold > 1)" type="int" min="0" max="10">1</param>
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<param name="cleanup" gui-text="Cleanup all unused groups (requires separate extension)" type="boolean" gui-description="This will call the extension 'Remove Empty Groups' if available">true</param>
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<param name="subdividethreshold" type="int" min="1" max="9999" gui-text="Number of sub layers" gui-description="A min/max range of the selected style type value will be calculated and you retrieve a set of layer (coarse grouping) with sub-layers (fine grouping). If you have less calculated sub layers than this threshold it will be limited automatically.">1</param>
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<param name="decimals" type="int" min="0" max="10" gui-text="Decimal tolerance" gui-description="The more decimals the more distinct layers you will get. This only applies for the sub layers (threshold > 1)">1</param>
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<param name="apply_transformations" type="bool" gui-text="Apply transformations (requires separate extension)" gui-description="This will call the extension 'Apply Transformations'. Helps avoiding geometry shifting">false</param>
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<param name="cleanup" type="bool" gui-text="Cleanup all unused groups/layers (requires separate extension)" gui-description="This will call the extension 'Remove Empty Groups' if available">true</param>
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<label>This extension will re-layer your selected items or the whole document according to their style (stroke or fill)</label>
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<label>Tinkered by Mario Voigt / Stadtfabrikanten e.V. (2020)</label>
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@ -8,7 +8,7 @@ Features
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 19.08.2020
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Last patch: 10.09.2020
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Last patch: 05.04.2021
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License: GNU GPL v3
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"""
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import inkex
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@ -18,7 +18,7 @@ import math
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from operator import itemgetter
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from inkex.colors import Color
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class StylesToLayers(inkex.Effect):
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class StylesToLayers(inkex.EffectExtension):
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def findLayer(self, layerName):
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svg_layers = self.document.xpath('//svg:g[@inkscape:groupmode="layer"]', namespaces=inkex.NSS)
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@ -41,6 +41,7 @@ class StylesToLayers(inkex.Effect):
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def __init__(self):
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inkex.Effect.__init__(self)
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self.arg_parser.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting")
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self.arg_parser.add_argument("--separateby", default = "stroke", help = "Separate by")
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self.arg_parser.add_argument("--parsecolors",default = "hexval", help = "Sort colors by")
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self.arg_parser.add_argument("--subdividethreshold", type=int, default = 1, help = "Threshold for splitting into sub layers")
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@ -48,6 +49,14 @@ class StylesToLayers(inkex.Effect):
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self.arg_parser.add_argument("--cleanup", type=inkex.Boolean, default = True, help = "Decimal tolerance")
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def effect(self):
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applyTransformAvailable = False # at first we apply external extension
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try:
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import applytransform
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applyTransformAvailable = True
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except Exception as e:
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# inkex.utils.debug(e)
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inkex.utils.debug("Calling 'Apply Transformations' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery. Skipping ...")
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def colorsort(stroke_value): #this function applies to stroke or fill (hex colors)
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if self.options.parsecolors == "hexval":
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@ -71,89 +80,107 @@ class StylesToLayers(inkex.Effect):
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selected = self.svg.selected.values()
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for element in selected:
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if self.options.apply_transformations is True and applyTransformAvailable is True:
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applytransform.ApplyTransform().recursiveFuseTransform(element)
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style = element.get('style')
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#if no style attributes or stroke/fill are set as extra attribute
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stroke = element.get('stroke')
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stroke_width = element.get('stroke-width')
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stroke_opacity = element.get('stroke-opacity')
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fill = element.get('fill')
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fill_opacity = element.get('fill-opacity')
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# possible values for fill are #HEXCOLOR (like #000000), color name (like purple, black, red) or gradients (URLs)
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neutral_value = None #we will use this value to slice the filter result into sub layers (threshold)
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if fill is not None:
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style = 'fill:'+ fill + ";"
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if stroke is not None:
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style = style + 'stroke:' + stroke + ";"
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if style is not None:
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#if no style attributes or stroke/fill are set as extra attribute
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stroke = element.get('stroke')
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stroke_width = element.get('stroke-width')
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stroke_opacity = element.get('stroke-opacity')
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fill = element.get('fill')
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fill_opacity = element.get('fill-opacity')
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#we don't want to destroy elements with gradients (they contain svg:stop elements which have a style too) and we don't want to mess with tspans (text)
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if style and element.tag != inkex.addNS('stop','svg') and element.tag != inkex.addNS('tspan','svg'):
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if self.options.separateby == "stroke":
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stroke = re.search('stroke:(.*?)(;|$)', style)
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if stroke is not None:
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stroke = stroke[0]
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stroke_value = stroke.split("stroke:")[1].split(";")[0]
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if stroke_value != "none":
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stroke_converted = str(Color(stroke_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(stroke_converted)
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layer_name = "stroke-" + self.options.parsecolors + "-" + stroke_converted
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else:
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layer_name = "stroke-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "stroke_width":
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stroke_width = re.search('stroke-width:(.*?)(;|$)', style)
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if stroke_width is not None:
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stroke_width = stroke_width[0]
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neutral_value = self.svg.unittouu(stroke_width.split("stroke-width:")[1].split(";")[0])
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layer_name = stroke_width
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else:
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layer_name = "stroke-width-none"
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elif self.options.separateby == "stroke_opacity":
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stroke_opacity = re.search('stroke-opacity:(.*?)(;|$)', style)
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if stroke_opacity is not None:
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stroke_opacity = stroke_opacity[0]
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neutral_value = float(stroke_opacity.split("stroke-opacity:")[1].split(";")[0])
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layer_name = stroke_opacity
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else:
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layer_name = "stroke-opacity-none"
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elif self.options.separateby == "fill":
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fill = re.search('fill:(.*?)(;|$)', style)
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if fill is not None:
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fill = fill[0]
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fill_value = fill.split("fill:")[1].split(";")[0]
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#check if the fill color is a real color or a gradient. if it's a gradient we skip the element
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if fill_value != "none" and "url" not in fill_value:
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fill_converted = str(Color(fill_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(fill_converted)
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layer_name = "fill-" + self.options.parsecolors + "-" + fill_converted
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elif "url" in fill_value: #okay we found a gradient. we put it to some group
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layer_name = "fill-" + self.options.parsecolors + "-gradient"
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else:
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layer_name = "fill-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "fill_opacity":
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fill_opacity = re.search('fill-opacity:(.*?)(;|$)', style)
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if fill_opacity is not None:
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fill_opacity = fill_opacity[0]
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neutral_value = float(fill_opacity.split("fill-opacity:")[1].split(";")[0])
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layer_name = fill_opacity
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else:
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layer_name = "fill-opacity-none"
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else:
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inkex.utils.debug("No proper option selected.")
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exit(1)
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# possible values for fill are #HEXCOLOR (like #000000), color name (like purple, black, red) or gradients (URLs)
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neutral_value = None #we will use this value to slice the filter result into sub layers (threshold)
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if fill is not None:
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style = 'fill:'+ fill + ";"
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if stroke is not None:
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style = style + 'stroke:' + stroke + ";"
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if neutral_value is not None: #apply decimals filter
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neutral_value = float(round(neutral_value, self.options.decimals))
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if layer_name is not None:
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layer_name = layer_name.split(";")[0] #cut off existing semicolons to avoid duplicated layers with/without semicolon
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currentLayer = self.findLayer(layer_name)
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if currentLayer is None: #layer does not exist, so create a new one
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layerNodeList.append([self.createLayer(layerNodeList, layer_name), neutral_value, element, self.options.separateby])
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#we don't want to destroy elements with gradients (they contain svg:stop elements which have a style too) and we don't want to mess with tspans (text)
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#the Styles to Layers extension still might brick the gradients (some tests failed)
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if style and element.tag != inkex.addNS('stop','svg') and element.tag != inkex.addNS('tspan','svg'):
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if self.options.separateby == "stroke":
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stroke = re.search('^stroke:(.*?)(;|$)', style) #we use ^ to exlucde "-inkscape-stroke" which can be "hairline" since InkScape 1.1+
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if stroke is not None:
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stroke = stroke[0]
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stroke_value = stroke.split("stroke:")[1].split(";")[0]
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if stroke_value != "none":
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stroke_converted = str(Color(stroke_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(stroke_converted)
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layer_name = "stroke-" + self.options.parsecolors + "-" + stroke_converted
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else:
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layer_name = "stroke-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "stroke_width":
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stroke_width = re.search('stroke-width:(.*?)(;|$)', style)
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if stroke_width is not None:
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stroke_width = stroke_width[0]
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neutral_value = self.svg.unittouu(stroke_width.split("stroke-width:")[1].split(";")[0])
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layer_name = stroke_width
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else:
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layer_name = "stroke-width-none"
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elif self.options.separateby == "stroke_hairline":
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stroke_hairline = re.search('-inkscape-stroke:hairline(;|$)', style)
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if stroke_hairline is not None:
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neutral_value = 1
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layer_name = "stroke-hairline-yes"
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else:
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neutral_value = 0
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layer_name = "stroke-hairline-no"
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elif self.options.separateby == "stroke_opacity":
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stroke_opacity = re.search('stroke-opacity:(.*?)(;|$)', style)
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if stroke_opacity is not None:
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stroke_opacity = stroke_opacity[0]
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neutral_value = float(stroke_opacity.split("stroke-opacity:")[1].split(";")[0])
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layer_name = stroke_opacity
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else:
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layer_name = "stroke-opacity-none"
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elif self.options.separateby == "fill":
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fill = re.search('fill:(.*?)(;|$)', style)
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if fill is not None:
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fill = fill[0]
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fill_value = fill.split("fill:")[1].split(";")[0]
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#check if the fill color is a real color or a gradient. if it's a gradient we skip the element
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if fill_value != "none" and "url" not in fill_value:
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fill_converted = str(Color(fill_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(fill_converted)
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layer_name = "fill-" + self.options.parsecolors + "-" + fill_converted
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elif "url" in fill_value: #okay we found a gradient. we put it to some group
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layer_name = "fill-" + self.options.parsecolors + "-gradient"
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else:
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layer_name = "fill-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "fill_opacity":
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fill_opacity = re.search('fill-opacity:(.*?)(;|$)', style)
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if fill_opacity is not None:
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fill_opacity = fill_opacity[0]
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neutral_value = float(fill_opacity.split("fill-opacity:")[1].split(";")[0])
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layer_name = fill_opacity
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else:
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layer_name = "fill-opacity-none"
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else:
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layerNodeList.append([currentLayer, neutral_value, element, self.options.separateby]) #layer is existent. append items to this later
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inkex.utils.debug("No proper option selected.")
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exit(1)
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if neutral_value is not None: #apply decimals filter
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neutral_value = float(round(neutral_value, self.options.decimals))
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if layer_name is not None:
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layer_name = layer_name.split(";")[0] #cut off existing semicolons to avoid duplicated layers with/without semicolon
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currentLayer = self.findLayer(layer_name)
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if currentLayer is None: #layer does not exist, so create a new one
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layerNodeList.append([self.createLayer(layerNodeList, layer_name), neutral_value, element, self.options.separateby])
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else:
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layerNodeList.append([currentLayer, neutral_value, element, self.options.separateby]) #layer is existent. append items to this later
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contentlength = 0 #some counter to track if there are layers inside or if it is just a list with empty children
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for layerNode in layerNodeList:
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@ -163,6 +190,11 @@ class StylesToLayers(inkex.Effect):
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except:
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continue
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# we do some cosmetics with layers. Sometimes it can happen that one layer includes another. We don't want that. We move all layers to the top level
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for newLayerNode in layerNodeList:
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self.document.getroot().append(newLayerNode[0])
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# Additionally if threshold was defined re-arrange the previously created layers by putting them into sub layers
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if self.options.subdividethreshold > 1 and contentlength > 0: #check if we need to subdivide and if there are items we could rearrange into sub layers
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@ -236,7 +268,7 @@ class StylesToLayers(inkex.Effect):
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import cleangroups
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cleangroups.CleanGroups.effect(self)
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except:
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inkex.utils.debug("Calling 'Remove Empty Groups' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery.")
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inkex.utils.debug("Calling 'Remove Empty Groups' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery. Skipping ...")
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if __name__ == '__main__':
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StylesToLayers().run()
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