![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index 6f39170ebdc617a4b6d46f5c25f1ffdb7b4d015a..2c08c35c4569c874f3f6e88526da360cdc2d6364 100755 (executable)
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
-import inkex, os, re, simplepath, cubicsuperpath
+import inkex, os, simplepath, cubicsuperpath
from ffgeom import *
-
-uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'pc':15.0}
-def unittouu(string):
- 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
+import gettext
+_ = gettext.gettext
class Project(inkex.Effect):
- def __init__(self):
- inkex.Effect.__init__(self)
- def effect(self):
- if len(self.options.ids) < 2:
- inkex.debug("Requires two selected paths. The second must be exctly four nodes long.")
- exit()
-
- #obj is selected second
- obj = self.selected[self.options.ids[0]]
- trafo = self.selected[self.options.ids[1]]
- if obj.tagName == 'path' and trafo.tagName == 'path':
+ def __init__(self):
+ inkex.Effect.__init__(self)
+ def effect(self):
+ if len(self.options.ids) < 2:
+ inkex.errormsg(_("This extension requires two selected paths.")
+ + " "
+ + _("The second path must be exactly four nodes long."))
+ exit()
+
+ #obj is selected second
+ obj = self.selected[self.options.ids[0]]
+ trafo = self.selected[self.options.ids[1]]
+ if obj.get(inkex.addNS('type','sodipodi')):
+ inkex.errormsg(_("The first selected object is of type '%s'.\nTry using the procedure Path | Object to Path." % obj.get(inkex.addNS('type','sodipodi'))))
+ exit()
+ if obj.tag == inkex.addNS('path','svg') or obj.tag == inkex.addNS('g','svg'):
+ if trafo.tag == inkex.addNS('path','svg'):
#distil trafo into four node points
- trafo = cubicsuperpath.parsePath(trafo.attributes.getNamedItem('d').value)
+ trafo = cubicsuperpath.parsePath(trafo.get('d'))
+ if len(trafo[0]) < 4:
+ inkex.errormsg(_("This extension requires that the second selected path be four nodes long."))
+ exit()
trafo = [[Point(csp[1][0],csp[1][1]) for csp in subs] for subs in trafo][0][:4]
#vectors pointing away from the trafo origin
self.t2 = Segment(trafo[1],trafo[2])
self.t3 = Segment(trafo[3],trafo[2])
self.t4 = Segment(trafo[0],trafo[3])
-
+
#query inkscape about the bounding box of obj
self.q = {'x':0,'y':0,'width':0,'height':0}
file = self.args[-1]
id = self.options.ids[0]
for query in self.q.keys():
- f = os.popen("inkscape --query-%s --query-id=%s %s" % (query,id,file))
+ f,err = os.popen3('inkscape --query-%s --query-id=%s "%s"' % (query,id,file))[1:]
self.q[query] = float(f.read())
f.close()
- #glean document height from the SVG
- docheight = unittouu(inkex.xml.xpath.Evaluate('/svg/@height',self.document)[0].value)
- #Flip inkscapes transposed renderer coords
- self.q['y'] = docheight - self.q['y'] - self.q['height']
-
- #process path
- d = obj.attributes.getNamedItem('d')
- p = cubicsuperpath.parsePath(d.value)
- for subs in p:
- for csp in subs:
- csp[0] = self.trafopoint(csp[0])
- csp[1] = self.trafopoint(csp[1])
- csp[2] = self.trafopoint(csp[2])
- d.value = cubicsuperpath.formatPath(p)
+ err.close()
+
+ if obj.tag == inkex.addNS("path",'svg'):
+ self.process_path(obj)
+ if obj.tag == inkex.addNS("g",'svg'):
+ self.process_group(obj)
+ else:
+ if trafo.tag == inkex.addNS('g','svg'):
+ inkex.errormsg(_("The second selected object is a group, not a path.\nTry using the procedure Object | Ungroup."))
+ else:
+ inkex.errormsg(_("The second selected object is not a path.\nTry using the procedure Path | Object to Path."))
+ exit()
+ else:
+ inkex.errormsg(_("The first selected object is not a path.\nTry using the procedure Path | Object to Path."))
+ exit()
+
+ def process_group(self,group):
+ for node in group:
+ if node.tag == inkex.addNS('path','svg'):
+ self.process_path(node)
+ if node.tag == inkex.addNS('g','svg'):
+ self.process_group(node)
+
+ def process_path(self,path):
+ d = path.get('d')
+ p = cubicsuperpath.parsePath(d)
+ for subs in p:
+ for csp in subs:
+ csp[0] = self.trafopoint(csp[0])
+ csp[1] = self.trafopoint(csp[1])
+ csp[2] = self.trafopoint(csp[2])
+ path.set('d',cubicsuperpath.formatPath(p))
def trafopoint(self,(x,y)):
#Transform algorithm thanks to Jose Hevia (freon)
p = intersectSegments(vert,horz)
return [p['x'],p['y']]
-e = Project()
-e.affect()
+if __name__ == '__main__':
+ e = Project()
+ e.affect()
+
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99