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  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook, Ted Gould, Kees Cook
  • Date: 2009-06-24 14:00:43 UTC
  • mfrom: (1.1.8 upstream)
  • Revision ID: james.westby@ubuntu.com-20090624140043-07stp20mry48hqup
Tags: 0.47~pre0-0ubuntu1
* New upstream release

[ Ted Gould ]
* debian/control: Adding libgsl0 and removing version specifics on boost

[ Kees Cook ]
* debian/watch: updated to run uupdate and mangle pre-release versions.
* Dropped patches that have been taken upstream:
  - 01_mips
  - 02-poppler-0.8.3
  - 03-chinese-inkscape
  - 05_fix_latex_patch
  - 06_gcc-4.4
  - 07_cdr2svg
  - 08_skip-bad-utf-on-pdf-import
  - 09_gtk-clist
  - 10_belarussian
  - 11_libpng
  - 12_desktop
  - 13_slider
  - 100_svg_import_improvements
  - 102_sp_pattern_painter_free
  - 103_bitmap_type_print

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#!/usr/bin/env python 
 
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'''
 
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This extension converts a path into a dashed line using 'stroke-dasharray'
 
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It is a modification of the file addnodes.py
 
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Copyright (C) 2005,2007 Aaron Spike, aaron@ekips.org
 
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Copyright (C) 2009 Alvin Penner, penner@vaxxine.com
 
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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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'''
 
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import inkex, cubicsuperpath, bezmisc, simplestyle
 
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def tpoint((x1,y1), (x2,y2), t = 0.5):
 
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    return [x1+t*(x2-x1),y1+t*(y2-y1)]
 
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def cspbezsplit(sp1, sp2, t = 0.5):
 
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    m1=tpoint(sp1[1],sp1[2],t)
 
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    m2=tpoint(sp1[2],sp2[0],t)
 
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    m3=tpoint(sp2[0],sp2[1],t)
 
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    m4=tpoint(m1,m2,t)
 
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    m5=tpoint(m2,m3,t)
 
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    m=tpoint(m4,m5,t)
 
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    return [[sp1[0][:],sp1[1][:],m1], [m4,m,m5], [m3,sp2[1][:],sp2[2][:]]]
 
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def cspbezsplitatlength(sp1, sp2, l = 0.5, tolerance = 0.001):
 
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    bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
 
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    t = bezmisc.beziertatlength(bez, l, tolerance)
 
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    return cspbezsplit(sp1, sp2, t)
 
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def cspseglength(sp1,sp2, tolerance = 0.001):
 
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    bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
 
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    return bezmisc.bezierlength(bez, tolerance)    
 
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class SplitIt(inkex.Effect):
 
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    def __init__(self):
 
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        inkex.Effect.__init__(self)
 
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    def effect(self):
 
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        for id, node in self.selected.iteritems():
 
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            if node.tag == inkex.addNS('path','svg'):
 
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                dashes = []
 
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                style = simplestyle.parseStyle(node.get('style'))
 
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                if style.has_key('stroke-dasharray'):
 
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                    if style['stroke-dasharray'].find(',') > 0:
 
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                        dashes = [float (dash) for dash in style['stroke-dasharray'].split(',')]
 
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                if dashes:
 
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                    p = cubicsuperpath.parsePath(node.get('d'))
 
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                    new = []
 
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                    for sub in p:
 
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                        idash = 0
 
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                        dash = dashes[0]
 
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                        length = 0
 
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                        new.append([sub[0][:]])
 
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                        i = 1
 
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                        while i < len(sub):
 
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                            dash = dash - length
 
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                            length = cspseglength(new[-1][-1], sub[i])
 
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                            while dash < length:
 
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                                new[-1][-1], next, sub[i] = cspbezsplitatlength(new[-1][-1], sub[i], dash/length)
 
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                                if idash % 2:           # create a gap
 
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                                    new.append([next[:]])
 
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                                else:                   # splice the curve
 
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                                    new[-1].append(next[:])
 
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                                length = length - dash
 
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                                idash = (idash + 1) % len(dashes)
 
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                                dash = dashes[idash]
 
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                            if idash % 2:
 
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                                new.append([sub[i]])
 
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                            else:
 
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                                new[-1].append(sub[i])
 
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                            i+=1
 
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                    node.set('d',cubicsuperpath.formatPath(new))
 
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if __name__ == '__main__':
 
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    e = SplitIt()
 
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    e.affect()
 
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# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99