Patched Styles To Layers extension
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leyghisbb
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@ -20,8 +20,11 @@
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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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<param name="put_unfiltered" type="bool" gui-text="Put unfiltered elements to a separate layer">false</param>
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<param name="show_info" type="bool" gui-text="Show elements which have no style attributes to filter">false</param>
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<spacer/>
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<label>This extension will re-layer your selected items or the whole document according to their style values (stroke or fill).</label>
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<label>The filtering applies only to style attribute of the elements. It does not filter for stroke or fill if they are set separately. You can use the separate 'Cleanup Styles' extension to migrate these separated attributes into style attribute.</label>
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<label>Tinkered by Mario Voigt / Stadtfabrikanten e.V. (2020)</label>
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<label appearance="url">https://fablabchemnitz.de</label>
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<effect>
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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: 05.04.2021
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Last patch: 11.04.2021
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License: GNU GPL v3
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"""
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import inkex
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@ -40,23 +40,17 @@ class StylesToLayers(inkex.EffectExtension):
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return layer
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def __init__(self):
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inkex.Effect.__init__(self)
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inkex.EffectExtension.__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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self.arg_parser.add_argument("--decimals", type=int, default = 1, help = "Decimal tolerance")
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self.arg_parser.add_argument("--cleanup", type=inkex.Boolean, default = True, help = "Decimal tolerance")
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self.arg_parser.add_argument("--put_unfiltered", type=inkex.Boolean, default = False, help = "Put unfiltered elements to a separate layer")
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self.arg_parser.add_argument("--show_info", type=inkex.Boolean, default = False, help = "Show elements which have no style attributes to filter")
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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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@ -68,7 +62,15 @@ class StylesToLayers(inkex.EffectExtension):
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elif self.options.parsecolors == "luminance":
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return float(Color(stroke_value).to_hsl()[2])
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return None
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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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layer_name = None
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layerNodeList = [] #list with layer, neutral_value, element and self.options.separateby type
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selected = [] #list of items to parse
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@ -80,107 +82,123 @@ class StylesToLayers(inkex.EffectExtension):
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selected = self.svg.selected.values()
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for element in selected:
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# additional option to apply transformations. As we clear up some groups to form new layers, we might lose translations, rotations, etc.
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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 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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# 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 isinstance(element, inkex.ShapeElement): # Elements which have a visible representation on the canvas (even without a style attribute but by their type); if we do not use that ifInstance Filter we provokate unkown InkScape fatal crashes
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style = element.get('style')
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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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#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:(.*?)(;|$)', style)
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if stroke is not None:
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stroke = stroke[0]
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stroke_value = stroke.split("stroke:")[1].split(";")[0]
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if stroke_value != "none":
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stroke_converted = str(Color(stroke_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(stroke_converted)
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layer_name = "stroke-" + self.options.parsecolors + "-" + stroke_converted
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else:
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layer_name = "stroke-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "stroke_width":
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stroke_width = re.search('stroke-width:(.*?)(;|$)', 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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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:(.*?)(;|$)', style)
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if stroke is not None:
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stroke = stroke[0]
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stroke_value = stroke.split("stroke:")[1].split(";")[0]
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if stroke_value != "none":
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stroke_converted = str(Color(stroke_value).to_rgb()) #the color can be hex code or clear name. we handle both the same
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neutral_value = colorsort(stroke_converted)
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layer_name = "stroke-" + self.options.parsecolors + "-" + stroke_converted
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else:
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layer_name = "stroke-" + self.options.parsecolors + "-none"
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elif self.options.separateby == "stroke_width":
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stroke_width = re.search('stroke-width:(.*?)(;|$)', 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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else: #if no style attribute in element and not a group
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if isinstance(element, inkex.Group) is False:
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if self.options.show_info:
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inkex.utils.debug(element.get('id') + ' has no style attribute')
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if self.options.put_unfiltered:
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layer_name = 'without-style-attribute'
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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), None, element, None])
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else:
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layerNodeList.append([currentLayer, None, element, None]) #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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