![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index 379cfa070f33a15fddb48ba5e61af7b15b48b35f..b2b59442b1febdebe7ac65751d42434acd9005cf 100755 (executable)
#!/usr/bin/env python
+# -*- coding: utf-8 -*-
"""
inkex.py
A helper module for creating Inkscape extensions
-Copyright (C) 2005,2007 Aaron Spike, aaron@ekips.org
+Copyright (C) 2005,2010 Aaron Spike <aaron@ekips.org> and contributors
+
+Contributors:
+ Aurélio A. Heckert <aurium(a)gmail.com>
+ Bulia Byak <buliabyak@users.sf.net>
+ Nicolas Dufour, nicoduf@yahoo.fr
+ Peter J. R. Moulder <pjrm@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
import sys, copy, optparse, random, re
+import gettext
+from math import *
+
+gettext.install('inkscape')
+# _ = gettext.gettext
+# gettext.bindtextdomain('inkscape', '/usr/share/locale')
+# gettext.textdomain('inkscape')
#a dictionary of all of the xmlns prefixes in a standard inkscape doc
NSS = {
u'sodipodi' :u'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd',
-u'cc' :u'http://web.resource.org/cc/',
+u'cc' :u'http://creativecommons.org/ns#',
+u'ccOLD' :u'http://web.resource.org/cc/',
u'svg' :u'http://www.w3.org/2000/svg',
u'dc' :u'http://purl.org/dc/elements/1.1/',
u'rdf' :u'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
}
#a dictionary of unit to user unit conversion factors
-uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'pc':15.0}
+uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'm':3543.3070866,
+ 'km':3543307.0866, 'pc':15.0, 'yd':3240 , 'ft':1080}
def unittouu(string):
'''Returns userunits given a string representation of units in another system'''
unit = re.compile('(%s)$' % '|'.join(uuconv.keys()))
pass
return retval
+def uutounit(val, unit):
+ return val/uuconv[unit]
+
try:
from lxml import etree
-except:
- sys.exit('The fantastic lxml wrapper for libxml2 is required by inkex.py and therefore this extension. Please download and install the latest version from <http://cheeseshop.python.org/pypi/lxml/>, or install it through your package manager by a command like: sudo apt-get install python-lxml')
+except Exception, e:
+ sys.exit(_("The fantastic lxml wrapper for libxml2 is required by inkex.py and therefore this extension. Please download and install the latest version from http://cheeseshop.python.org/pypi/lxml/, or install it through your package manager by a command like: sudo apt-get install python-lxml\n\nTechnical details:\n%s" % (e,)))
+
def debug(what):
sys.stderr.write(str(what) + "\n")
return what
+def errormsg(msg):
+ """Intended for end-user-visible error messages.
+
+ (Currently just writes to stderr with an appended newline, but could do
+ something better in future: e.g. could add markup to distinguish error
+ messages from status messages or debugging output.)
+
+ Note that this should always be combined with translation:
+
+ import gettext
+ _ = gettext.gettext
+ ...
+ inkex.errormsg(_("This extension requires two selected paths."))
+ """
+ sys.stderr.write((unicode(msg) + "\n").encode("UTF-8"))
+
def check_inkbool(option, opt, value):
if str(value).capitalize() == 'True':
return True
elif str(value).capitalize() == 'False':
return False
else:
- raise OptionValueError("option %s: invalid inkbool value: %s" % (opt, value))
+ raise optparse.OptionValueError("option %s: invalid inkbool value: %s" % (opt, value))
def addNS(tag, ns=None):
val = tag
class Effect:
"""A class for creating Inkscape SVG Effects"""
+
def __init__(self, *args, **kwargs):
- self.id_characters = '0123456789abcdefghijklmnopqrstuvwkyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
self.document=None
self.ctx=None
self.selected={}
self.OptionParser.add_option("--id",
action="append", type="string", dest="ids", default=[],
help="id attribute of object to manipulate")
+
def effect(self):
pass
+
def getoptions(self,args=sys.argv[1:]):
"""Collect command line arguments"""
self.options, self.args = self.OptionParser.parse_args(args)
+
def parse(self,file=None):
"""Parse document in specified file or on stdin"""
try:
try:
stream = open(file,'r')
except:
- stream = open(self.args[-1],'r')
+ stream = open(self.svg_file,'r')
except:
stream = sys.stdin
self.document = etree.parse(stream)
stream.close()
+
def getposinlayer(self):
#defaults
self.current_layer = self.document.getroot()
y = yattr[0]
if x and y:
self.view_center = (float(x), doc_height - float(y)) # FIXME: y-coordinate flip, eliminate it when it's gone in Inkscape
+
def getselected(self):
"""Collect selected nodes"""
- for id in self.options.ids:
- path = '//*[@id="%s"]' % id
+ for i in self.options.ids:
+ path = '//*[@id="%s"]' % i
for node in self.document.xpath(path, namespaces=NSS):
- self.selected[id] = node
+ self.selected[i] = node
+
+ def getElementById(self, id):
+ path = '//*[@id="%s"]' % id
+ el_list = self.document.xpath(path, namespaces=NSS)
+ if el_list:
+ return el_list[0]
+ else:
+ return None
+
+ def getParentNode(self, node):
+ for parent in self.document.getiterator():
+ if node in parent.getchildren():
+ return parent
+ break
+
+
def getdocids(self):
docIdNodes = self.document.xpath('//@id', namespaces=NSS)
for m in docIdNodes:
self.doc_ids[m] = 1
+
+ def getNamedView(self):
+ return self.document.xpath('//sodipodi:namedview', namespaces=NSS)[0]
+
+ def createGuide(self, posX, posY, angle):
+ atts = {
+ 'position': str(posX)+','+str(posY),
+ 'orientation': str(sin(radians(angle)))+','+str(-cos(radians(angle)))
+ }
+ guide = etree.SubElement(
+ self.getNamedView(),
+ addNS('guide','sodipodi'), atts )
+ return guide
+
def output(self):
"""Serialize document into XML on stdout"""
self.document.write(sys.stdout)
- def affect(self):
+
+ def affect(self, args=sys.argv[1:], output=True):
"""Affect an SVG document with a callback effect"""
- self.getoptions()
+ self.svg_file = args[-1]
+ self.getoptions(args)
self.parse()
self.getposinlayer()
self.getselected()
self.getdocids()
self.effect()
- self.output()
-
+ if output: self.output()
+
def uniqueId(self, old_id, make_new_id = True):
new_id = old_id
if make_new_id:
while new_id in self.doc_ids:
- new_id = "%s%s" % (new_id,random.choice(self.id_characters))
+ new_id += random.choice('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
self.doc_ids[new_id] = 1
return new_id
+
def xpathSingle(self, path):
try:
retval = self.document.xpath(path, namespaces=NSS)[0]
except:
- debug("No matching node for expression: %s" % path)
+ errormsg(_("No matching node for expression: %s") % path)
retval = None
return retval
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99