index e1711105751dc02bd8dd18cc7944f0066c746a76..8be7b5282869fa4355d7ae6d30a28730a68d0a25 100755 (executable)
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
-import sys, copy, optparse
+import sys, copy, optparse, random, re
#a dictionary of all of the xmlns prefixes in a standard inkscape doc
NSS = {
u'xlink' :u'http://www.w3.org/1999/xlink'
}
+#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}
+def unittouu(string):
+ '''Returns userunits given a string representation of units in another system'''
+ unit = re.compile('(%s)$' % '|'.join(uuconv.keys()))
+ param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
+
+ p = param.match(string)
+ u = unit.search(string)
+ if p:
+ retval = float(p.string[p.start():p.end()])
+ else:
+ retval = 0.0
+ if u:
+ try:
+ return retval * uuconv[u.string[u.start():u.end()]]
+ except KeyError:
+ pass
+ return retval
+
try:
import xml.dom.ext
+ import xml.dom.minidom
import xml.dom.ext.reader.Sax2
import xml.xpath
except:
class Effect:
"""A class for creating Inkscape SVG Effects"""
- def __init__(self):
+ def __init__(self, *args, **kwargs):
+ self.id_characters = '0123456789abcdefghijklmnopqrstuvwkyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
self.document=None
+ self.ctx=None
self.selected={}
+ self.doc_ids={}
self.options=None
self.args=None
+ self.use_minidom=kwargs.pop("use_minidom", False)
self.OptionParser = optparse.OptionParser(usage="usage: %prog [options] SVGfile",option_class=InkOption)
self.OptionParser.add_option("--id",
action="append", type="string", dest="ids", default=[],
stream = open(self.args[-1],'r')
except:
stream = sys.stdin
- self.document = reader.fromStream(stream)
+ if self.use_minidom:
+ self.document = xml.dom.minidom.parse(stream)
+ else:
+ self.document = reader.fromStream(stream)
+ self.ctx = xml.xpath.Context.Context(self.document,processorNss=NSS)
stream.close()
def getposinlayer(self):
ctx = xml.xpath.Context.Context(self.document,processorNss=NSS)
xattr = xml.xpath.Evaluate('//sodipodi:namedview/@inkscape:cx',self.document,context=ctx)
yattr = xml.xpath.Evaluate('//sodipodi:namedview/@inkscape:cy',self.document,context=ctx)
+ doc_height = unittouu(self.document.documentElement.getAttribute('height'))
if xattr and yattr:
x = xattr[0].value
y = yattr[0].value
if x and y:
- self.view_center = (float(x),float(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 node in xml.xpath.Evaluate(path,self.document):
self.selected[id] = node
+ def getdocids(self):
+ docIdNodes = xml.xpath.Evaluate('//@id',self.document,context=self.ctx)
+ for m in docIdNodes:
+ self.doc_ids[m.value] = 1
def output(self):
"""Serialize document into XML on stdout"""
xml.dom.ext.Print(self.document)
self.parse()
self.getposinlayer()
self.getselected()
+ self.getdocids()
self.effect()
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))
+ self.doc_ids[new_id] = 1
+ return new_id
+ def xpathSingle(self, path):
+ try:
+ retval = xml.xpath.Evaluate(path,self.document,context=self.ctx)[0]
+ except:
+ debug("No matching node for expression: %s" % path)
+ retval = None
+ return retval
+