86 lines
3.5 KiB
Python
86 lines
3.5 KiB
Python
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#! /usr/bin/env python
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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 coloreffect.py by Jos Hirth and Aaron C. Spike
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'''
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import inkex
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import simplestyle, sys
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class Cleanup(inkex.Effect):
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def __init__(self):
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inkex.Effect.__init__(self)
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self.OptionParser.add_option("-s", "--stroke",
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action="store", type="float",
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dest="stroke", default=0.5,
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help="Stroke weight")
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self.OptionParser.add_option("-o", "--opacity",
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action="store", type="float",
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dest="opacity", default="100.0",
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help="Opacity")
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def effect(self):
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if len(self.selected)==0:
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self.getAttribs(self.document.getroot())
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else:
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for id,node in self.selected.iteritems():
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self.getAttribs(node)
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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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def changeStyle(self,node):
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if node.attrib.has_key('style'):
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# References for style attribute:
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# http://www.w3.org/TR/SVG11/styling.html#StyleAttribute,
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# http://www.w3.org/TR/CSS21/syndata.html
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#
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# The SVG spec is ambiguous as to how style attributes should be parsed.
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# For example, it isn't clear whether semicolons are allowed to appear
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# within strings or comments, or indeed whether comments are allowed to
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# appear at all.
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#
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# The processing here is just something simple that should usually work,
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# without trying too hard to get everything right.
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# (Won't work for the pathalogical case that someone escapes a property
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# name, probably does the wrong thing if colon or semicolon is used inside
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# a comment or string value.)
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style = node.get('style') # fixme: this will break for presentation attributes!
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if style:
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#inkex.debug('old style:'+style)
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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':
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new_val = str(self.options.stroke)
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declarations[i] = prop + ':' + new_val
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if prop == 'opacity':
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new_val = str(self.options.opacity / 100)
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declarations[i] = prop + ':' + new_val
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#inkex.debug('new style:'+';'.join(declarations))
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node.set('style', ';'.join(declarations))
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if __name__ == '__main__':
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e = Cleanup()
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e.affect()
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