def getLength(self, cspath, tolerance):
parts = self.getPartsFromCubicSuper(cspath)
curveLen = 0
for i, part in enumerate(parts):
for j, seg in enumerate(part):
curveLen += bezier.bezierlength(
(seg[0], seg[1], seg[2], seg[3]), tolerance=tolerance)
return curveLen
def cspseglength(sp1, sp2, tolerance=0.001):
bez = (sp1[1][:], sp1[2][:], sp2[0][:], sp2[1][:])
return bezierlength(bez, tolerance)
def effect(self):
maxL = None
separateSegs = self.options.separateSegs
if (self.options.unit != 'perc' and self.options.unit != 'count'):
maxL = self.options.maxLength * self.svg.unittouu(
'1' + self.options.unit)
# ~ inkex.errormsg(_(str(maxL)))
tolerance = 10**(-1 * self.options.precision)
selections = self.svg.selected
pathNodes = self.document.xpath('//svg:path', namespaces=inkex.NSS)
paths = [(pathNode.get('id'), CubicSuperPath(pathNode.get('d')))
for pathNode in pathNodes]
if (len(paths) > 0):
for key, cspath in paths:
parts = getPartsFromCubicSuper(cspath)
partsSplit = False
for i, part in enumerate(parts):
newSegs = []
for j, seg in enumerate(part):
segL = bezier.bezierlength(
(seg[0], seg[1], seg[2], seg[3]),
tolerance=tolerance)
if (maxL != None):
divL = maxL
elif (self.options.unit == 'perc'):
divL = segL * self.options.maxLength / 100
else:
divL = segL / ceil(self.options.maxLength)
if (segL > divL):
coveredL = 0
s = seg
s1 = None
s2 = DEF_ERR_MARGIN #Just in case
while (not floatCmpWithMargin(segL, coveredL)):
if (s == seg):
sL = segL
else:
sL = bezier.bezierlength(
(s[0], s[1], s[2], s[3]),
tolerance=tolerance)
if (floatCmpWithMargin(segL, coveredL + divL)):
s2 = s
break
else:
if (segL > (coveredL + divL)):
t1L = divL
else:
t1L = segL - coveredL
t1 = bezier.beziertatlength(
(s[0], s[1], s[2], s[3]),
l=t1L / sL,
tolerance=tolerance)
s1, s2 = bezier.beziersplitatt(
(s[0], s[1], s[2], s[3]), t1)
coveredL += t1L
newSegs.append(s1)
s = s2
newSegs.append(s2)
else:
newSegs.append(seg)
if (len(newSegs) > len(part)):
parts[i] = newSegs
partsSplit = True
if (partsSplit or separateSegs):
elem = selections[key]
if (separateSegs):
parent = elem.getparent()
idx = parent.index(elem)
parent.remove(elem)
allSegs = [seg for part in parts for seg in part]
idSuffix = 0
for seg in allSegs:
cspath = getCubicSuperFromParts([[seg]])
newElem = copy.copy(elem)
oldId = newElem.get('id')
newElem.set('d', CubicSuperPath(cspath))
newElem.set('id', oldId + str(idSuffix).zfill(5))
parent.insert(idx, newElem)
idSuffix += 1
else:
cspath = getCubicSuperFromParts(parts)
elem.set('d', CubicSuperPath(cspath))
def getSegLength(seg, tolerance):
if (ver == 1.0):
return bezier.bezierlength(seg, tolerance=tolerance)
else:
return bezmisc.bezierlengthSimpson(seg, tolerance=tolerance)