244 lines
14 KiB
Python
244 lines
14 KiB
Python
#!/usr/bin/env python3
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'''
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Copyright (C) 2013 Matthew Dockrey (gfish @ cyphertext.net)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Based on
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- coloreffect.py by Jos Hirth and Aaron C. Spike
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- cleanup.py (https://github.com/attoparsec/inkscape-extensions) by attoparsec
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Last Patch: 12.04.2021
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License: GNU GPL v3
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Notes:
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- This extension does not check if attributes contain duplicates properties like "opacity:1;fill:#393834;fill-opacity:1;opacity:1;fill:#393834;fill-opacity:1". We assume the SVG syntax is correct
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'''
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import inkex
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import re
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import numpy as np
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class CleanupStyles(inkex.EffectExtension):
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groups = []
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roundUpColors = []
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roundUpColors = [
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[ 0, 0, 0], #black | eri1
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[ 0, 0, 255], #blue | eri2
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[ 0, 255, 0], #green | eri3
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[255, 0, 0], #red | eri4
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[255, 0, 255], #magenta | eri5
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[ 0, 255, 255], #cyan | eri6
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[255, 255, 0], #yellow | eri7
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#half tones
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[128, 0, 255], #violet | eri8
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[0 , 128, 255], #light blue | eri9
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[255, 128, 0], #orange | eri10
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[255, 0, 128], #pink | eri11
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[128, 255, 0], #light green | eri12
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[0 , 255, 128], #mint | eri13
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]
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def add_arguments(self, pars):
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pars.add_argument("--tab")
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pars.add_argument("--mode", default="Lines", help="Join paths with lines or polygons")
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pars.add_argument("--dedicated_style_attributes", default="ignore", help="Handling of dedicated style attributes")
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pars.add_argument("--stroke_width_override", type=inkex.Boolean, default=False, help="Override stroke width")
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pars.add_argument("--stroke_width", type=float, default=0.100, help="Stroke width")
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pars.add_argument("--stroke_width_units", default="mm", help="Stroke width unit")
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pars.add_argument("--stroke_opacity_override", type=inkex.Boolean, default=False, help="Override stroke opacity")
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pars.add_argument("--stroke_opacity", type=float, default="100.0", help="Stroke opacity (%)")
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pars.add_argument("--reset_opacity", type=inkex.Boolean, default=True, help="Reset stroke style attribute 'opacity'. Do not mix up with 'fill-opacity' and 'stroke-opacity'")
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pars.add_argument("--reset_stroke_attributes", type=inkex.Boolean, default=True, help="Remove 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linejoin', 'stroke-linecap', 'stroke-miterlimit' from style attribute")
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pars.add_argument("--reset_fill_attributes", type=inkex.Boolean, default=True, help="Sets 'fill:none;fill-opacity:1;' to style attribute")
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pars.add_argument("--apply_hairlines", type=inkex.Boolean, default=True, help="Adds 'vector-effect:non-scaling-stroke;' and '-inkscape-stroke:hairline;' Hint: stroke-width is kept in background. All hairlines still have a valued width.")
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pars.add_argument("--apply_black_strokes", type=inkex.Boolean, default=True, help="Adds 'stroke:#000000;' to style attribute")
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pars.add_argument("--remove_group_styles", type=inkex.Boolean, default=False, help="Remove styles from groups")
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pars.add_argument("--harmonize_colors", type=inkex.Boolean, default=False, help="Round up colors to the next 'full color'. Example: make rgb(253,0,0) to rgb(255,0,0) to receive clear red color.")
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pars.add_argument("--allow_half_tones", type=inkex.Boolean, default=False, help="Allow rounding up to half-tone colors")
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def closestColor(self, colors, color):
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colors = np.array(colors)
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color = np.array(color)
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distances = np.sqrt(np.sum((colors-color)**2, axis=1))
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index_of_smallest = np.where(distances==np.amin(distances))
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smallest_distance = colors[index_of_smallest]
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return smallest_distance
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def effect(self):
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self.roundUpColors = [
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[ 0, 0, 0], #black | eri1
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[ 0, 0, 255], #blue | eri2
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[ 0, 255, 0], #green | eri3
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[255, 0, 0], #red | eri4
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[255, 0, 255], #magenta | eri5
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[ 0, 255, 255], #cyan | eri6
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[255, 255, 0], #yellow | eri7
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]
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if self.options.allow_half_tones is True:
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self.roundUpColors.extend([
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[128, 0, 255], #violet | eri8
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[0 , 128, 255], #light blue | eri9
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[255, 128, 0], #orange | eri10
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[255, 0, 128], #pink | eri11
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[128, 255, 0], #light green | eri12
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[0 , 255, 128], #mint | eri13
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])
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if len(self.svg.selected) == 0:
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self.getAttribs(self.document.getroot())
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else:
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for element in self.svg.selected.values():
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self.getAttribs(element)
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#finally remove the styles from collected groups (if enabled)
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if self.options.remove_group_styles is True:
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for group in self.groups:
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if group.attrib.has_key('style') is True:
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group.attrib.pop('style')
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def getAttribs(self, node):
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self.changeStyle(node)
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for child in node:
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self.getAttribs(child)
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#stroke and fill styles can be included in style attribute or they can exist separately (can occure in older SVG files). We do not parse other attributes than style
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def changeStyle(self, node):
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#we check/modify the style of all shapes (not groups)
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if isinstance(node, inkex.ShapeElement) and not isinstance(node, inkex.Group):
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# the final styles applied to this element (with influence from top level elements like groups)
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composed_style = node.composed_style()
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composedStyleAttributes = str(composed_style).split(';') #array
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composedStyleAttributesDict = {}
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if len(composed_style) > 0: #Style "composed_style" might contain just empty '' string which will lead to failing dict update
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for composedStyleAttribute in composedStyleAttributes:
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composedStyleAttributesDict.update({'{}'.format(composedStyleAttribute.split(':')[0]): composedStyleAttribute.split(':')[1]})
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#three options to handle dedicated attributes (attributes not in the "style" attribute, but separate):
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# - just delete all dedicated properties
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# - merge dedicated properties, and prefer them over those from composed style
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# - merge dedicated properties, but prefer properties from composed style
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dedicatedStyleAttributesDict = {}
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popDict = []
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# there are opacity (of group/parent), fill-opacity and stroke-opacity
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popDict.extend(['opacity', 'stroke', 'stroke-opacity', 'stroke-width', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'fill', 'fill-opacity'])
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for popItem in popDict:
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if node.attrib.has_key(str(popItem)):
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dedicatedStyleAttributesDict.update({'{}'.format(popItem): node.get(popItem)})
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node.attrib.pop(popItem)
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#inkex.utils.debug("composedStyleAttributesDict = " + str(composedStyleAttributesDict))
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#inkex.utils.debug("dedicatedStyleAttributesDict = " + str(dedicatedStyleAttributesDict))
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if self.options.dedicated_style_attributes == 'prefer_dedicated':
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composedStyleAttributesDict.update(dedicatedStyleAttributesDict)
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node.set('style', composedStyleAttributesDict)
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elif self.options.dedicated_style_attributes == 'prefer_composed':
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dedicatedStyleAttributesDict.update(composedStyleAttributesDict)
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node.set('style', dedicatedStyleAttributesDict)
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elif self.options.dedicated_style_attributes == 'ignore':
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pass
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# now parse the style with possibly merged dedicated attributes modded style attribute (dedicatedStyleAttributes)
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if node.attrib.has_key('style') is False:
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node.set('style', 'stroke:#000000;') #we add basic stroke color black. We cannot set to empty value or just ";" because it will not update properly
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style = node.get('style')
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#add missing style attributes if required
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if style.endswith(';') is False:
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style += ';'
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if re.search('(;|^)stroke:(.*?)(;|$)', style) is None: #if "stroke" is None, add one. We need to distinguish because there's also attribute "-inkscape-stroke" that's why we check starting with ^ or ;
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style += 'stroke:none;'
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if self.options.stroke_width_override is True and "stroke-width:" not in style:
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style += 'stroke-width:{:1.4f};'.format(self.svg.unittouu(str(self.options.stroke_width) + self.options.stroke_width_units))
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if self.options.stroke_opacity_override is True and "stroke-opacity:" not in style:
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style += 'stroke-opacity:{:1.1f};'.format(self.options.stroke_opacity / 100)
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if self.options.apply_hairlines is True:
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if "vector-effect:non-scaling-stroke" not in style:
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style += 'vector-effect:non-scaling-stroke;'
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if "-inkscape-stroke:hairline" not in style:
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style += '-inkscape-stroke:hairline;'
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if re.search('fill:(.*?)(;|$)', style) is None: #if "fill" is None, add one.
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style += 'fill:none;'
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#then parse the content and check what we need to adjust
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declarations = style.split(';')
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for i, decl in enumerate(declarations):
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parts = decl.split(':', 2)
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if len(parts) == 2:
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(prop, val) = parts
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prop = prop.strip().lower()
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if prop == 'stroke-width' and self.options.stroke_width_override is True:
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new_val = self.svg.unittouu(str(self.options.stroke_width) + self.options.stroke_width_units)
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declarations[i] = prop + ':{:1.4f}'.format(new_val)
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if prop == 'stroke-opacity' and self.options.stroke_opacity_override is True:
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new_val = self.options.stroke_opacity / 100
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declarations[i] = prop + ':{:1.1f}'.format(new_val)
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if self.options.reset_opacity is True:
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if prop == 'opacity':
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declarations[i] = ''
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if self.options.reset_stroke_attributes is True:
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if prop == 'stroke-dasharray':
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declarations[i] = ''
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if prop == 'stroke-dashoffset':
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declarations[i] = ''
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if prop == 'stroke-linejoin':
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declarations[i] = ''
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if prop == 'stroke-linecap':
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declarations[i] = ''
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if prop == 'stroke-miterlimit':
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declarations[i] = ''
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if self.options.apply_black_strokes is True:
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if prop == 'stroke':
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if val == 'none':
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new_val = '#000000'
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declarations[i] = prop + ':' + new_val
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if self.options.harmonize_colors is True:
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if prop == 'stroke' or prop == 'fill':
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rgb = inkex.Color(val).to_rgb()
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closest_color = self.closestColor(self.roundUpColors, [rgb[0], rgb[1], rgb[2]])
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rgbNew = inkex.Color((
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int(closest_color[0][0]),
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int(closest_color[0][1]),
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int(closest_color[0][2])
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), space='rgb')
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declarations[i] = prop + ':' + str(inkex.Color(rgbNew).to_named())
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if self.options.reset_fill_attributes is True:
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if prop == 'fill':
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new_val = 'none'
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declarations[i] = prop + ':' + new_val
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if prop == 'fill-opacity':
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new_val = '1'
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declarations[i] = prop + ':' + new_val
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if self.options.apply_hairlines is False:
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if prop == '-inkscape-stroke':
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if val == 'hairline':
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del declarations[i]
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if prop == 'vector-effect':
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if val == 'non-scaling-stroke':
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del declarations[i]
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node.set('style', ';'.join(declarations))
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# if element is group we add it to collection to remove it's style after parsing all selected items
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elif isinstance(node, inkex.ShapeElement) and isinstance(node, inkex.Group):
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self.groups.append(node)
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if __name__ == '__main__':
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CleanupStyles().run() |