![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index d9814e0660f7f7afa64fd97d3cba015a7147517f..e57c7566dae00809d91427365c9c92b3cdeef52a 100644 (file)
import inkex, cubicsuperpath, simplestyle, copy, math, re, bezmisc
def numsegs(csp):
- return sum([len(p)-1 for p in csp])
+ return sum([len(p)-1 for p in csp])
def tpoint((x1,y1), (x2,y2), t = 0.5):
- return [x1+t*(x2-x1),y1+t*(y2-y1)]
+ return [x1+t*(x2-x1),y1+t*(y2-y1)]
def cspbezsplit(sp1, sp2, t = 0.5):
- m1=tpoint(sp1[1],sp1[2],t)
- m2=tpoint(sp1[2],sp2[0],t)
- m3=tpoint(sp2[0],sp2[1],t)
- m4=tpoint(m1,m2,t)
- m5=tpoint(m2,m3,t)
- m=tpoint(m4,m5,t)
- return [[sp1[0][:],sp1[1][:],m1], [m4,m,m5], [m3,sp2[1][:],sp2[2][:]]]
+ m1=tpoint(sp1[1],sp1[2],t)
+ m2=tpoint(sp1[2],sp2[0],t)
+ m3=tpoint(sp2[0],sp2[1],t)
+ m4=tpoint(m1,m2,t)
+ m5=tpoint(m2,m3,t)
+ m=tpoint(m4,m5,t)
+ return [[sp1[0][:],sp1[1][:],m1], [m4,m,m5], [m3,sp2[1][:],sp2[2][:]]]
def cspbezsplitatlength(sp1, sp2, l = 0.5, tolerance = 0.001):
- bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
- t = bezmisc.beziertatlength(bez, l, tolerance)
- return cspbezsplit(sp1, sp2, t)
+ bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
+ t = bezmisc.beziertatlength(bez, l, tolerance)
+ return cspbezsplit(sp1, sp2, t)
def cspseglength(sp1,sp2, tolerance = 0.001):
- bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
- return bezmisc.bezierlength(bez, tolerance)
+ bez = (sp1[1][:],sp1[2][:],sp2[0][:],sp2[1][:])
+ return bezmisc.bezierlength(bez, tolerance)
def csplength(csp):
- total = 0
- lengths = []
- for sp in csp:
- lengths.append([])
- for i in xrange(1,len(sp)):
- l = cspseglength(sp[i-1],sp[i])
- lengths[-1].append(l)
- total += l
- return lengths, total
+ total = 0
+ lengths = []
+ for sp in csp:
+ lengths.append([])
+ for i in xrange(1,len(sp)):
+ l = cspseglength(sp[i-1],sp[i])
+ lengths[-1].append(l)
+ total += l
+ return lengths, total
def numlengths(csplen):
- retval = 0
- for sp in csplen:
- for l in sp:
- if l > 0:
- retval += 1
- return retval
+ retval = 0
+ for sp in csplen:
+ for l in sp:
+ if l > 0:
+ retval += 1
+ return retval
class SplitIt(inkex.Effect):
- def __init__(self):
- inkex.Effect.__init__(self)
- self.OptionParser.add_option("-m", "--max",
- action="store", type="float",
- dest="max", default=0.0,
- help="maximum segment length")
- def effect(self):
- for id, node in self.selected.iteritems():
- if node.tagName == 'path':
- d = node.attributes.getNamedItem('d')
- p = cubicsuperpath.parsePath(d.value)
-
- #lens, total = csplength(p)
- #avg = total/numlengths(lens)
- #inkex.debug("average segment length: %s" % avg)
+ def __init__(self):
+ inkex.Effect.__init__(self)
+ self.OptionParser.add_option("-m", "--max",
+ action="store", type="float",
+ dest="max", default=0.0,
+ help="maximum segment length")
+ def effect(self):
+ for id, node in self.selected.iteritems():
+ if node.tagName == 'path':
+ d = node.attributes.getNamedItem('d')
+ p = cubicsuperpath.parsePath(d.value)
+
+ #lens, total = csplength(p)
+ #avg = total/numlengths(lens)
+ #inkex.debug("average segment length: %s" % avg)
- new = []
- for sub in p:
- new.append([sub[0][:]])
- i = 1
- while i <= len(sub)-1:
- length = cspseglength(new[-1][-1], sub[i])
- if length > self.options.max:
- splits = math.ceil(length/self.options.max)
- for s in xrange(int(splits),1,-1):
- new[-1][-1], next, sub[i] = cspbezsplitatlength(new[-1][-1], sub[i], 1.0/s)
- new[-1].append(next[:])
- new[-1].append(sub[i])
- i+=1
-
- d.value = cubicsuperpath.formatPath(new)
+ new = []
+ for sub in p:
+ new.append([sub[0][:]])
+ i = 1
+ while i <= len(sub)-1:
+ length = cspseglength(new[-1][-1], sub[i])
+ if length > self.options.max:
+ splits = math.ceil(length/self.options.max)
+ for s in xrange(int(splits),1,-1):
+ new[-1][-1], next, sub[i] = cspbezsplitatlength(new[-1][-1], sub[i], 1.0/s)
+ new[-1].append(next[:])
+ new[-1].append(sub[i])
+ i+=1
+
+ d.value = cubicsuperpath.formatPath(new)
e = SplitIt()
e.affect()