def effect(self):
scale = self.options.scale
scaleFrom = self.options.scaleFrom
tolerance = 10**(-1 * self.options.precision)
printOut = False
selections = self.svg.selected
pathNodes = self.document.xpath('//svg:path', namespaces=inkex.NSS)
outStrs = [str(len(pathNodes))]
paths = [(pathNode.get('id'), CubicSuperPath(pathNode.get('d')))
for pathNode in pathNodes]
if (len(paths) > 1):
srcPath = paths[-1][1]
srclen = self.getLength(srcPath, tolerance)
paths = paths[:len(paths) - 1]
for key, cspath in paths:
curveLen = self.getLength(cspath, tolerance)
self.scaleCubicSuper(cspath, scaleFactor = scale * (srclen / curveLen), \
scaleFrom = scaleFrom)
selections[key].set('d', CubicSuperPath(cspath))
else:
inkex.errormsg(
_("Please select at least two paths, with the path whose \
length is to be copied at the top. You may have to convert the shape \
to path with path->Object to Path."))
def getCubicSuperPath(d = None):
if(CommonDefs.inkVer == 1.0):
if(d == None): return CubicSuperPath([])
return CubicSuperPath(Path(d).to_superpath())
else:
if(d == None): return []
return CubicSuperPath(simplepath.parsePath(d))
def effect(self):
selections = self.svg.selected
pathNodes = self.document.xpath('//svg:path', namespaces=inkex.NSS)
paths = {
p.get('id'): getPartsFromCubicSuper(CubicSuperPath(p.get('d')))
for p in pathNodes
}
#paths.keys() Order disturbed
pathIds = [p.get('id') for p in pathNodes]
if (len(paths) > 1):
if (self.options.optimized):
startPathId = pathIds[0]
pathIds = getArrangedIds(paths, startPathId)
newParts = []
firstElem = None
for key in pathIds:
parts = paths[key]
# ~ parts = getPartsFromCubicSuper(cspath)
start = parts[0][0][0]
try:
elem = self.svg.selected[key]
if (len(newParts) == 0):
newParts += parts[:]
firstElem = elem
else:
if (vectCmpWithMargin(start,
newParts[-1][-1][-1],
margin=.01)):
newParts[-1] += parts[0]
else:
newSeg = [
newParts[-1][-1][-1], newParts[-1][-1][-1],
start, start
]
newParts[-1].append(newSeg)
newParts[-1] += parts[0]
if (len(parts) > 1):
newParts += parts[1:]
parent = elem.getparent()
idx = parent.index(elem)
parent.remove(elem)
except:
pass #elem might come from group item - in this case we need to ignore it
newElem = copy.copy(firstElem)
oldId = firstElem.get('id')
newElem.set('d', CubicSuperPath(getCubicSuperFromParts(newParts)))
newElem.set('id', oldId + '_joined')
parent.insert(idx, newElem)
def recursiveFuseTransform(self,
node,
transf=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
transf = Transform(transf) * Transform(node.get("transform", None))
if 'transform' in node.attrib:
del node.attrib['transform']
node = ApplyTransform.objectToPath(node)
if 'd' in node.attrib:
d = node.get('d')
p = CubicSuperPath(d)
p = Path(p).to_absolute().transform(transf, True)
node.set('d', Path(CubicSuperPath(p).to_path()))
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS('polygon', 'svg'),
inkex.addNS('polyline', 'svg')
]:
points = node.get('points')
points = points.strip().split(' ')
for k, p in enumerate(points):
if ',' in p:
p = p.split(',')
p = [float(p[0]), float(p[1])]
applyTransformToPoint(transf, p)
p = [str(p[0]), str(p[1])]
p = ','.join(p)
points[k] = p
points = ' '.join(points)
node.set('points', points)
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS('rect', 'svg'),
inkex.addNS('text', 'svg'),
inkex.addNS('image', 'svg'),
inkex.addNS('use', 'svg'),
inkex.addNS('circle', 'svg')
]:
# node.set('transform', str(Transform(transf)))
inkex.utils.errormsg("Shape %s not yet supported" % node.tag)
else:
# e.g. <g style="...">
self.scaleStrokeWidth(node, transf)
for child in node.getchildren():
self.recursiveFuseTransform(child, transf)
def splitPath(inkex, node):
dashes = []
try: # inkscape 1.0
style = dict(Style(node.get('style')))
except: # inkscape 0.9x
style = simplestyle.parseStyle(node.get('style'))
if 'stroke-dasharray' in style:
if style['stroke-dasharray'].find(',') > 0:
dashes = [
float(dash) for dash in style['stroke-dasharray'].split(',')
if dash
]
if dashes:
try: # inkscape 1.0
p = CubicSuperPath(node.get('d'))
except: # inkscape 0.9x
p = cubicsuperpath.parsePath(node.get('d'))
new = []
for sub in p:
idash = 0
dash = dashes[0]
length = 0
new.append([sub[0][:]])
i = 1
while i < len(sub):
dash = dash - length
length = cspseglength(new[-1][-1], sub[i])
while dash < length:
new[-1][-1], next, sub[i] = cspbezsplitatlength(
new[-1][-1], sub[i], dash / length)
if idash % 2: # create a gap
new.append([next[:]])
else: # splice the curve
new[-1].append(next[:])
length = length - dash
idash = (idash + 1) % len(dashes)
dash = dashes[idash]
if idash % 2:
new.append([sub[i]])
else:
new[-1].append(sub[i])
i += 1
try: # inkscape 1.0
node.set('d', CubicSuperPath(new))
except: # inkscape 0.9x
node.set('d', cubicsuperpath.formatPath(new))
del style['stroke-dasharray']
try: # inkscape 1.0
node.set('style', Style(style))
except: # inkscape 0.9x
node.set('style', simplestyle.formatStyle(style))
if node.get(inkex.addNS('type', 'sodipodi')):
del node.attrib[inkex.addNS('type', 'sodipodi')]
def test_from_arrays(self):
"""SuperPath from arrays"""
csp = CubicSuperPath([[
[[14, 173], [14, 173], (14, 173)],
[(15, 171), (17, 168), (18, 168)],
],
[
[(18, 167), (18, 167), [20, 165]],
((21, 164), [22, 162], (23, 162)),
]])
self.assertEqual(
str(csp.to_path()),
'M 14 173 C 14 173 15 171 17 168 M 18 167 C 20 165 21 164 22 162')
def effect(self):
unit_factor = 1.0 / self.svg.uutounit(1.0, self.options.unit)
for id, node in self.svg.selected.items():
#get recent XY coordinates (top left corner of the bounding box)
bbox = node.bounding_box()
new_horiz_scale = self.options.expected_size * unit_factor / bbox.width
new_vert_scale = self.options.expected_size * unit_factor / bbox.height
if self.options.scale_type == "Horizontal":
translation_matrix = [[new_horiz_scale, 0.0, 0.0],
[0.0, 1.0, 0.0]]
elif self.options.scale_type == "Vertical":
translation_matrix = [[1.0, 0.0, 0.0],
[0.0, new_vert_scale, 0.0]]
else: #Uniform
translation_matrix = [[new_horiz_scale, 0.0, 0.0],
[0.0, new_vert_scale, 0.0]]
node.transform = Transform(translation_matrix) * node.transform
# now that the node moved we need to get the nodes XY coordinates again to fix them
bbox_new = node.bounding_box()
#inkex.utils.debug(cx)
#inkex.utils.debug(cy)
#inkex.utils.debug(cx_new)
#inkex.utils.debug(cy_new)
# We remove the transformation attribute from SVG XML tree in case it's regular path. In case the node is an object like arc,circle, ellipse or star we have the attribute "sodipodi:type". Then we do not play with it's path because the size transformation will not apply (this code block is ugly)
if node.get('sodipodi:type') is None and 'd' in node.attrib:
#inkex.utils.debug("it's a path!")
d = node.get('d')
p = CubicSuperPath(d)
transf = Transform(node.get("transform", None))
if 'transform' in node.attrib:
del node.attrib['transform']
p = Path(p).to_absolute().transform(transf, True)
node.set('d', Path(CubicSuperPath(p).to_path()))
#else:
#inkex.utils.debug("it's an object!")
#we perform second translation to reset the center of the path
translation_matrix = [[
1.0, 0.0,
bbox.left - bbox_new.left + (bbox.width - bbox_new.width) / 2
],
[
0.0, 1.0, bbox.top - bbox_new.top +
(bbox.height - bbox_new.height) / 2
]]
node.transform = Transform(translation_matrix) * node.transform
def effect(self):
path_strings = []
net_strings = ["M"]
my_path = etree.Element(inkex.addNS('path', 'svg'))
s = {
'stroke-width': self.options.s_width,
'stroke': '#000000',
'fill': 'none'
}
my_path.set('style', str(inkex.Style(s)))
for id, node in self.svg.selected.items():
if node.tag == inkex.addNS('path', 'svg'):
d = node.get('d')
p = CubicSuperPath(Path(d))
for subpath in p:
for i, csp in enumerate(subpath):
path_strings.append("%f,%f" % (csp[1][0], csp[1][1]))
node.set('d', str(Path(p)))
while len(path_strings) > 0:
net_strings.append(path_strings.pop(0))
if len(path_strings) > 0:
net_strings.append(path_strings.pop())
my_path.set('d', " ".join(net_strings))
self.svg.get_current_layer().append(my_path)
def effect(self):
if len(self.svg.selected) == 0:
inkex.errormsg(
_("Please select an object to perform the " +
"exponential-distort transformation on."))
return
for id, node in self.svg.selected.items():
type = node.get(
"{http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd}type",
"path")
if node.tag != '{http://www.w3.org/2000/svg}path' or type != 'path':
inkex.errormsg(node.tag + " is not a path. Type=" + type +
". Please use 'Path->Object to Path' first.")
else:
pts = CubicSuperPath(node.get('d'))
bbox = self.computeBBox(pts)
## bbox (60.0, 160.0, 77.0, 197.0)
## pts [[[[60.0, 77.0], [60.0, 77.0], [60.0, 77.0]], [[60.0, 197.0], [60.0, 197.0], [60.0, 197.0]], [[70.0, 197.0], ...
for p in pts:
for pp in p:
for ppp in pp:
ppp[0] = self.x_exp_p_inplace(bbox, ppp[0])
node.set('d', str(pts))
def breakContours(self, node): #this does the same as "CTRL + SHIFT + K"
if node.tag == inkex.addNS('path', 'svg'):
parent = node.getparent()
idx = parent.index(node)
idSuffix = 0
raw = Path(node.get("d")).to_arrays()
subPaths, prev = [], 0
for i in range(
len(raw)): # Breaks compound paths into simple paths
if raw[i][0] == 'M' and i != 0:
subPaths.append(raw[prev:i])
prev = i
subPaths.append(raw[prev:])
for subpath in subPaths:
replacedNode = copy.copy(node)
oldId = replacedNode.get('id')
replacedNode.set('d', CubicSuperPath(subpath))
replacedNode.set('id', oldId + str(idSuffix).zfill(5))
parent.insert(idx, replacedNode)
idSuffix += 1
self.replacedNodes.append(replacedNode)
node.delete()
for child in node:
self.breakContours(child)
def path_round_it(self, node):
if node.tag == inkex.addNS('path', 'svg'):
d = node.get('d')
p = CubicSuperPath(d)
for subpath in p:
for csp in subpath:
delta = self.roundit(csp[1])
if self.options.along:
csp[0][0] += delta[0]
csp[0][1] += delta[1]
csp[1][0] += delta[0]
csp[1][1] += delta[1]
if self.options.along:
csp[2][0] += delta[0]
csp[2][1] += delta[1]
if self.options.ctrl:
delta = self.roundit(csp[0])
csp[0][0] += delta[0]
csp[0][1] += delta[1]
delta = self.roundit(csp[2])
csp[2][0] += delta[0]
csp[2][1] += delta[1]
node.set('d', str(Path(p)))
elif node.tag == inkex.addNS('g', 'svg'):
for e in node:
self.path_round_it(e)
def test_AZ(self):
p = [
['M', [0., 4.]],
['A', [3., 6., 0., 1, 1, 5., 4.]],
['Z', []],
]
csp = CubicSuperPath(p)
self.assertTrue(len(csp[0]) > 3)
def create_vert_blocks(self, group, gridx, style):
path = lastpath = 0
blocks = []
count = 0
for node in gridx.iterchildren():
if node.tag == inkex.addNS('path','svg'): # which they ALL should because we just made them
path = CubicSuperPath(node.get('d')) # turn it into a global C style SVG path
#sys.stderr.write("count: %d\n"% count)
if count == 0: # first one so use the right border
spath = node.get('d') # work on string instead of cubicpath
lastpoint = spath.split()[-2:]
lastx = float(lastpoint[0])
lasty = float(lastpoint[1])
#sys.stderr.write("lastpoint: %s\n"% lastpoint)
spath += ' %f %f %f %f %f %f' % (lastx+self.inner_radius/2,lasty, self.width-1.5*self.inner_radius,lasty, self.width-self.inner_radius, lasty)
spath += ' %f %f %f %f %f %f' % (self.width-self.inner_radius/2,lasty, self.width,self.height-self.inner_radius/2, self.width,self.height-self.inner_radius)
spath += ' %f %f %f %f %f %f' % (self.width,self.height-1.5*self.inner_radius, self.width, 1.5*self.inner_radius, self.width,self.inner_radius)
spath += ' %f %f %f %f %f %f' % (self.width,self.inner_radius/2, self.width-self.inner_radius/2,0, self.width-self.inner_radius,0)
spath += 'z'
#sys.stderr.write("spath: %s\n"% spath)
#
name = "ColPieces_%d" % (count)
attribs = { 'style':style, 'id':name, 'd':spath }
n = etree.SubElement(group, inkex.addNS('path','svg'), attribs )
blocks.append(n) # for direct traversal later
else: # internal line - concat a reversed version with the last one
thispath = copy.deepcopy(path)
for i in range(len(thispath[0])): # reverse the internal C pairs
thispath[0][i].reverse()
thispath[0].reverse() # reverse the entire line
lastpath[0].extend(thispath[0]) # append
name = "ColPieces_%d" % (count)
attribs = { 'style':style, 'id':name, 'd':dirtyFormat(lastpath) }
n = etree.SubElement(group, inkex.addNS('path','svg'), attribs )
blocks.append(n) # for direct traversal later
n.set('d', n.get('d')+'z') # close it
#
count += 1
lastpath = path
# do the last one (LHS)
spath = node.get('d') # work on string instead of cubicpath
lastpoint = spath.split()[-2:]
lastx = float(lastpoint[0])
lasty = float(lastpoint[1])
#sys.stderr.write("lastpoint: %s\n"% lastpoint)
spath += ' %f %f %f %f %f %f' % (lastx-self.inner_radius,lasty, 1.5*self.inner_radius, lasty, self.inner_radius,lasty)
spath += ' %f %f %f %f %f %f' % (self.inner_radius/2,lasty, 0,lasty-self.inner_radius/2, 0,lasty-self.inner_radius)
spath += ' %f %f %f %f %f %f' % (0,lasty-1.5*self.inner_radius, 0,1.5*self.inner_radius, 0,self.inner_radius)
spath += ' %f %f %f %f %f %f' % (self.inner_radius/2,0, self.inner_radius,0, 1.5*self.inner_radius, 0)
spath += 'z'
#
name = "ColPieces_%d" % (count)
attribs = { 'style':style, 'id':name, 'd':spath }
n = etree.SubElement(group, inkex.addNS('path','svg'), attribs )
blocks.append(n) # for direct traversal later
#
return(blocks)
def addPathVertices(self,
path,
node=None,
transform=None,
clone_transform=None):
"""
Decompose the path data from an SVG element into individual
subpaths, each subpath consisting of absolute move to and line
to coordinates. Place these coordinates into a list of polygon
vertices.
"""
if (not path) or (len(path) == 0):
# Nothing to do
return
sp = Path(path)
if (not sp) or (len(sp) == 0):
# Path must have been devoid of any real content
return
# Get a cubic super path
p = CubicSuperPath(sp)
if (not p) or (len(p) == 0):
# Probably never happens, but...
return
# Now traverse the cubic super path
subpath_list = []
subpath_vertices = []
for sp in p:
if len(subpath_vertices):
# There's a prior subpath: see if it is closed and should be saved
if distanceSquared(subpath_vertices[0],
subpath_vertices[-1]) < 1:
# Keep the prior subpath: it appears to be a closed path
subpath_list.append(subpath_vertices)
subpath_vertices = []
subdivideCubicPath(sp, 0.2)
for csp in sp:
# Add this vertex to the list of vertices
subpath_vertices.append(csp[1])
# Handle final subpath
if len(subpath_vertices):
if distanceSquared(subpath_vertices[0], subpath_vertices[-1]) < 1:
# Path appears to be closed so let's keep it
subpath_list.append(subpath_vertices)
# Empty path?
if not subpath_list:
return
# Store the list of subpaths in a dictionary keyed off of the path's node pointer
self.paths[node] = subpath_list
self.paths_clone_transform[node] = clone_transform
def envelope2coords(self, path_envelope):
pp_envelope = CubicSuperPath(path_envelope)
# inkex.debug(pp_envelope)
c0 = pp_envelope[0][0][0]
c1 = pp_envelope[0][1][0]
c2 = pp_envelope[0][2][0]
c3 = pp_envelope[0][3][0]
# inkex.debug(str(c0)+" "+str(c1)+" "+str(c2)+" "+str(c3))
return [c0, c1, c2, c3]
def split_into_nodes(self, nodes_number=1000):
for id, node in self.svg.selected.items():
if node.tag == inkex.addNS('path', 'svg'):
p = CubicSuperPath(node.get('d'))
new = []
for sub in p:
new.append([sub[0][:]])
i = 1
while i <= len(sub) - 1:
length = bezier.cspseglength(new[-1][-1], sub[i])
splits = nodes_number
for s in range(int(splits), 1, -1):
new[-1][-1], next, sub[
i] = bezier.cspbezsplitatlength(
new[-1][-1], sub[i], 1.0 / s)
new[-1].append(next[:])
new[-1].append(sub[i])
i += 1
node.set('d', str(CubicSuperPath(new)))
def _sekl_call(self, skeletons, p0, dx, bbox):
if self.options.vertical:
flipxy(p0)
newp = []
for skelnode in skeletons.values():
self.curSekeleton = skelnode.path.to_superpath()
if self.options.vertical:
flipxy(self.curSekeleton)
for comp in self.curSekeleton:
path = copy.deepcopy(p0)
self.skelcomp, self.lengths = linearize(comp)
# !!!!>----> TODO: really test if path is closed! end point==start point is not enough!
self.skelcompIsClosed = (self.skelcomp[0] == self.skelcomp[-1])
length = sum(self.lengths)
xoffset = self.skelcomp[0][
0] - bbox.x.minimum + self.options.toffset
yoffset = self.skelcomp[0][
1] - bbox.y.center - self.options.noffset
if self.options.repeat:
NbCopies = max(
1, int(round((length + self.options.space) / dx)))
width = dx * NbCopies
if not self.skelcompIsClosed:
width -= self.options.space
bbox.x.maximum = bbox.x.minimum + width
new = []
for sub in path:
for _ in range(NbCopies):
new.append(copy.deepcopy(sub))
offset(sub, dx, 0)
path = new
for sub in path:
offset(sub, xoffset, yoffset)
if self.options.stretch:
if not bbox.width:
raise inkex.AbortExtension(
"The 'stretch' option requires that the pattern must have non-zero width :\nPlease edit the pattern width."
)
for sub in path:
stretch(sub, length / bbox.width, 1, self.skelcomp[0])
for sub in path:
for ctlpt in sub:
self.apply_diffeomorphism(ctlpt[1],
(ctlpt[0], ctlpt[2]))
if self.options.vertical:
flipxy(path)
newp += path
return CubicSuperPath(newp)
def test_QT(self):
p = [
['M', [0.0, 0.0]],
['Q', [3.0, 0.0, 3.0, 3.0]],
['T', [0.0, 6.0]],
]
csp = CubicSuperPath(p)
self.assertDeepAlmostEqual(csp, [[
[[0.0, 0.0], [0.0, 0.0], [2.0, 0.0]],
[[3.0, 1.0], [3.0, 3.0], [3.0, 5.0]],
[[2.0, 6.0], [0.0, 6.0], [0.0, 6.0]],
]])
def test_CS(self):
p = [
['M', [1.2, 2.3]],
['C', [4.5, 3.4, 5.6, 6.7, 8.9, 7.8]],
['S', [9.1, 1.2, 2.3, 3.4]],
]
csp = CubicSuperPath(p)
self.assertDeepAlmostEqual(csp, [[
[[1.2, 2.3], [1.2, 2.3], [4.5, 3.4]],
[[5.6, 6.7], [8.9, 7.8], [12.2, 8.9]],
[[9.1, 1.2], [2.3, 3.4], [2.3, 3.4]],
]])
def effect(self):
if len(self.svg.selected) > 0:
output_all = output_nodes = ""
for node in self.svg.selection.filter(inkex.PathElement):
node.apply_transform()
p = CubicSuperPath(node.get('d'))
for subpath in p:
for csp in subpath:
output_nodes += str(csp[1][0]) + "\t" + str(csp[1][1]) + "\n"
output_nodes += "\n"
sys.stderr.write(output_nodes.strip())
else:
inkex.errormsg('Please select some paths first.')
return
def envelope2coords(self, path_envelope):
pp_envelope = CubicSuperPath(path_envelope)
if len(pp_envelope[0]) < 4:
inkex.errormsg(
"The selected envelope (your second path) does not contain enough nodes. Check to have at least 4 nodes."
)
exit()
c0 = pp_envelope[0][0][0]
c1 = pp_envelope[0][1][0]
c2 = pp_envelope[0][2][0]
c3 = pp_envelope[0][3][0]
# inkex.debug(str(c0)+" "+str(c1)+" "+str(c2)+" "+str(c3))
return [c0, c1, c2, c3]
def test_LHV(self):
p = [
['M', [1.2, 2.3]],
['L', [3.4, 4.5]],
['H', [5.6]],
['V', [6.7]],
]
csp = CubicSuperPath(p)
self.assertDeepAlmostEqual(csp, [[
[[1.2, 2.3], [1.2, 2.3], [1.2, 2.3]],
[[3.4, 4.5], [3.4, 4.5], [3.4, 4.5]],
[[5.6, 4.5], [5.6, 4.5], [5.6, 4.5]],
[[5.6, 6.7], [5.6, 6.7], [5.6, 6.7]],
]])
def effect(self):
if len(self.svg.selected) > 0:
global output_nodes, points
#create numpy array of nodes
n_array = []
#Iterate through all the selected objects in Inkscape
for node in self.svg.selected.values():
#Check if the node is a path ("svg:path" node in XML )
#id = node.id
if node.tag == inkex.addNS('path','svg'):
# bake (or fuse) transform
node.apply_transform()
#turn into cubicsuperpath
d = node.get('d')
p = CubicSuperPath(d)
for subpath in p: # there may be several paths joined together (e.g. holes)
for csp in subpath: # groups of three to handle control points.
# just the points no control points (handles)
n_array.append(csp[1][0])
n_array.append(csp[1][1])
k = n.asarray(n_array)
length = int(len(k)/2)
c = k.reshape(length,2)
hull_pts = qhull(c)
pdata = ''
for vertex in hull_pts:
if pdata == '':
pdata = 'M%f,%f' % (vertex[0], vertex[1] )
else:
pdata += 'L %f,%f' % (vertex[0], vertex[1] )
pdata += ' Z'
path = 'polygon'
makeGroup = False
paths_clone_transform = None
self.joinWithNode(path, pdata, makeGroup, paths_clone_transform)
else:
inkex.errormsg('Please select some paths first.')
return
def getCubicSuperFromParts(parts):
cbsuper = []
for part in parts:
subpath = []
lastPt = None
pt = None
for seg in part:
if (pt == None):
ptLeft = seg[0]
pt = seg[0]
ptRight = seg[1]
subpath.append([ptLeft, pt, ptRight])
ptLeft = seg[2]
pt = seg[3]
subpath.append([ptLeft, pt, pt])
cbsuper.append(subpath)
if (ver == 1.0):
return CubicSuperPath(cbsuper)
else:
return cbsuper
def recursiveFuseTransform(self,
node,
transf=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
# Modification by David Burghoff:
# Since transforms apply to an object's clips, before applying the transform
# we will need to duplicate the clip path and transform it
clippathurl = node.get('clip-path')
if clippathurl is not None and node.get("transform") is not None:
myn = node
while not (myn.getparent() == None): # get svg handle
myn = myn.getparent()
svg = myn
clippath = svg.getElementById(clippathurl[5:-1])
if clippath is not None:
d = clippath.duplicate()
clippathurl = "url(#" + d.get("id") + ")"
node.set("clip-path", clippathurl)
for k in d.getchildren():
if k.get('transform') is not None:
tr = Transform(node.get("transform")) * Transform(
k.get('transform'))
else:
tr = Transform(node.get("transform"))
k.set('transform', tr)
transf = Transform(transf) * Transform(node.get("transform", None))
if 'transform' in node.attrib:
del node.attrib['transform']
node = ApplyTransform.objectToPath(node)
if transf == NULL_TRANSFORM:
# Don't do anything if there is effectively no transform applied
# reduces alerts for unsupported nodes
pass
elif 'd' in node.attrib:
d = node.get('d')
p = CubicSuperPath(d)
p = Path(p).to_absolute().transform(transf, True)
node.set('d', str(Path(CubicSuperPath(p).to_path())))
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS('polygon', 'svg'),
inkex.addNS('polyline', 'svg')
]:
points = node.get('points')
points = points.strip().split(' ')
for k, p in enumerate(points):
if ',' in p:
p = p.split(',')
p = [float(p[0]), float(p[1])]
p = transf.apply_to_point(p)
p = [str(p[0]), str(p[1])]
p = ','.join(p)
points[k] = p
points = ' '.join(points)
node.set('points', points)
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS("ellipse", "svg"),
inkex.addNS("circle", "svg")
]:
def isequal(a, b):
return abs(a - b) <= transf.absolute_tolerance
if node.TAG == "ellipse":
rx = float(node.get("rx"))
ry = float(node.get("ry"))
else:
rx = float(node.get("r"))
ry = rx
cx = float(node.get("cx"))
cy = float(node.get("cy"))
sqxy1 = (cx - rx, cy - ry)
sqxy2 = (cx + rx, cy - ry)
sqxy3 = (cx + rx, cy + ry)
newxy1 = transf.apply_to_point(sqxy1)
newxy2 = transf.apply_to_point(sqxy2)
newxy3 = transf.apply_to_point(sqxy3)
node.set("cx", (newxy1[0] + newxy3[0]) / 2)
node.set("cy", (newxy1[1] + newxy3[1]) / 2)
edgex = math.sqrt(
abs(newxy1[0] - newxy2[0])**2 + abs(newxy1[1] - newxy2[1])**2)
edgey = math.sqrt(
abs(newxy2[0] - newxy3[0])**2 + abs(newxy2[1] - newxy3[1])**2)
if not isequal(edgex, edgey) and (
node.TAG == "circle" or not isequal(newxy2[0], newxy3[0])
or not isequal(newxy1[1], newxy2[1])):
inkex.utils.errormsg(
"Warning: Shape %s (%s) is approximate only, try Object to path first for better results"
% (node.TAG, node.get("id")))
if node.TAG == "ellipse":
node.set("rx", edgex / 2)
node.set("ry", edgey / 2)
else:
node.set("r", edgex / 2)
# Modficiation by David Burghoff: Added support for lines
elif node.tag in inkex.addNS('line', 'svg'):
x1 = node.get('x1')
x2 = node.get('x2')
y1 = node.get('y1')
y2 = node.get('y2')
p1 = transf.apply_to_point([x1, y1])
p2 = transf.apply_to_point([x2, y2])
node.set('x1', str(p1[0]))
node.set('y1', str(p1[1]))
node.set('x2', str(p2[0]))
node.set('y2', str(p2[1]))
self.scaleStrokeWidth(node, transf)
elif node.typename in ['Rectangle']:
x = float(node.get('x'))
y = float(node.get('y'))
w = float(node.get('width'))
h = float(node.get('height'))
pts = [[x, y], [x + w, y], [x + w, y + h], [x, y + h], [x, y]]
xs = []
ys = []
for p in pts:
p = transf.apply_to_point(p)
xs.append(p.x)
ys.append(p.y)
node.set('x', str(min(xs)))
node.set('y', str(min(ys)))
node.set('width', str(max(xs) - min(xs)))
node.set('height', str(max(ys) - min(ys)))
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS('text', 'svg'),
inkex.addNS('image', 'svg'),
inkex.addNS('use', 'svg')
]:
inkex.utils.errormsg(
"Shape %s (%s) not yet supported, try Object to path first" %
(node.TAG, node.get("id")))
else:
# e.g. <g style="...">
self.scaleStrokeWidth(node, transf)
for child in node.getchildren():
self.recursiveFuseTransform(child, transf)
def recursiveFuseTransform(self,
node,
transf=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
transf = Transform(transf) * Transform(node.get("transform", None))
if 'transform' in node.attrib:
del node.attrib['transform']
node = ApplyTransform.objectToPath(node)
if transf == NULL_TRANSFORM:
# Don't do anything if there is effectively no transform applied
# reduces alerts for unsupported nodes
pass
elif 'd' in node.attrib:
d = node.get('d')
p = CubicSuperPath(d)
p = Path(p).to_absolute().transform(transf, True)
node.set('d', Path(CubicSuperPath(p).to_path()))
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS('polygon', 'svg'),
inkex.addNS('polyline', 'svg')
]:
points = node.get('points')
points = points.strip().split(' ')
for k, p in enumerate(points):
if ',' in p:
p = p.split(',')
p = [float(p[0]), float(p[1])]
p = transf.apply_to_point(p)
p = [str(p[0]), str(p[1])]
p = ','.join(p)
points[k] = p
points = ' '.join(points)
node.set('points', points)
self.scaleStrokeWidth(node, transf)
elif node.tag in [
inkex.addNS("ellipse", "svg"),
inkex.addNS("circle", "svg")
]:
def isequal(a, b):
return abs(a - b) <= transf.absolute_tolerance
if node.TAG == "ellipse":
rx = float(node.get("rx"))
ry = float(node.get("ry"))
else:
rx = float(node.get("r"))
ry = rx
cx = float(node.get("cx"))
cy = float(node.get("cy"))
sqxy1 = (cx - rx, cy - ry)
sqxy2 = (cx + rx, cy - ry)
sqxy3 = (cx + rx, cy + ry)
newxy1 = transf.apply_to_point(sqxy1)
newxy2 = transf.apply_to_point(sqxy2)
newxy3 = transf.apply_to_point(sqxy3)
node.set("cx", (newxy1[0] + newxy3[0]) / 2)
node.set("cy", (newxy1[1] + newxy3[1]) / 2)
edgex = math.sqrt(
abs(newxy1[0] - newxy2[0])**2 + abs(newxy1[1] - newxy2[1])**2)
edgey = math.sqrt(
abs(newxy2[0] - newxy3[0])**2 + abs(newxy2[1] - newxy3[1])**2)
if not isequal(edgex, edgey) and (
node.TAG == "circle" or not isequal(newxy2[0], newxy3[0])
or not isequal(newxy1[1], newxy2[1])):
inkex.utils.errormsg(
"Warning: Shape %s (%s) is approximate only, try Object to path first for better results"
% (node.TAG, node.get("id")))
if node.TAG == "ellipse":
node.set("rx", edgex / 2)
node.set("ry", edgey / 2)
else:
node.set("r", edgex / 2)
elif node.tag in [
inkex.addNS('rect', 'svg'),
inkex.addNS('text', 'svg'),
inkex.addNS('image', 'svg'),
inkex.addNS('use', 'svg')
]:
inkex.utils.errormsg(
"Shape %s (%s) not yet supported, try Object to path first" %
(node.TAG, node.get("id")))
else:
# e.g. <g style="...">
self.scaleStrokeWidth(node, transf)
for child in node.getchildren():
self.recursiveFuseTransform(child, transf)
def effect(self):
if len(self.options.ids) != 2:
inkex.errormsg(
"This extension requires two selected objects. The first selected object must be the straight line with two nodes."
)
exit()
# drawing that will be scaled is selected second, must be a single object
scalepath = self.svg.selected[self.options.ids[0]]
drawing = self.svg.selected[self.options.ids[1]]
if scalepath.tag != inkex.addNS('path', 'svg'):
inkex.errormsg(
"The first selected object is not a path.\nPlease select a straight line with two nodes instead."
)
exit()
# apply its transforms to the scaling path, so we get the correct coordinates to calculate path length
scalepath.apply_transform()
path = CubicSuperPath(scalepath.get('d'))
if len(path) < 1 or len(path[0]) < 2:
inkex.errormsg(
"This extension requires that the first selected path be two nodes long."
)
exit()
# calculate path length
p1_x = path[0][0][1][0]
p1_y = path[0][0][1][1]
p2_x = path[0][1][1][0]
p2_y = path[0][1][1][1]
p_length = self.svg.unittouu(
str(distance((p1_x, p1_y), (p2_x, p2_y))) + self.svg.unit)
# Find Drawing Scale
if self.options.choosescale == 'metric':
drawing_scale = int(self.options.metric)
elif self.options.choosescale == 'imperial':
drawing_scale = int(self.options.imperial)
elif self.options.choosescale == 'custom':
drawing_scale = self.options.custom_scale
# calculate scaling center
center = self.calc_scale_center(p1_x, p1_y, p2_x, p2_y)
# calculate scaling factor
target_length = self.svg.unittouu(
str(self.options.length) + self.options.unit)
factor = (target_length / p_length) / drawing_scale
# inkex.debug("%s, %s %s" % (target_length, p_length, factor))
# Add scale ruler
if self.options.showscale == "true":
dist = int(self.options.unitlength)
ruler_length = self.svg.unittouu(str(dist) +
self.options.unit) / drawing_scale
ruler_pos = (p1_x + (p2_x - p1_x) / 2, (p1_y + (p2_y - p1_y) / 2) -
self.svg.unittouu('4 mm'))
# TODO: add into current layer instead
self.create_ruler(self.document.getroot(), ruler_length, ruler_pos,
dist, drawing_scale)
# Get drawing and current transformations
for obj in (scalepath, drawing):
# Scale both objects about the center, first translate back to origin
scale_matrix = [[1, 0.0, -center[0]], [0.0, 1, -center[1]]]
obj.transform = Transform(scale_matrix) * obj.transform
# Then scale
scale_matrix = [[factor, 0.0, 0.0], [0.0, factor, 0.0]]
obj.transform = Transform(scale_matrix) * obj.transform
# Then translate back to original scale center location
scale_matrix = [[1, 0.0, center[0]], [0.0, 1, center[1]]]
obj.transform = Transform(scale_matrix) * obj.transform
def effect(self):
# Check that elements have been selected
if len(self.options.ids) == 0:
inkex.errormsg("Please select objects!")
return
# Drawing styles
linestyle = {
'stroke': '#000000',
'stroke-width': str(self.svg.unittouu('1px')),
'fill': 'none'
}
facestyle = {
'stroke': '#000000',
'stroke-width': '0px', # str(self.svg.unittouu('1px')),
'fill': 'none'
}
# Handle the transformation of the current group
parentGroup = (self.svg.selected[self.options.ids[0]]).getparent()
svg = self.document.getroot()
image_element = svg.find('.//{http://www.w3.org/2000/svg}image')
if image_element is None:
inkex.utils.debug("No image found")
exit(1)
self.path = self.checkImagePath(
image_element) # This also ensures the file exists
if self.path is None: # check if image is embedded or linked
image_string = image_element.get(
'{http://www.w3.org/1999/xlink}href')
# find comma position
i = 0
while i < 40:
if image_string[i] == ',':
break
i = i + 1
img = Image.open(
BytesIO(base64.b64decode(image_string[i +
1:len(image_string)])))
else:
img = Image.open(self.path)
extrinsic_image_width = float(image_element.get('width'))
extrinsic_image_height = float(image_element.get('height'))
(width, height) = img.size
trans = self.getGlobalTransform(parentGroup)
invtrans = None
if trans:
invtrans = self.invertTransform(trans)
# Recovery of the selected objects
pts = []
nodes = []
seeds = []
for id in self.options.ids:
node = self.svg.selected[id]
nodes.append(node)
if (node.tag == "{http://www.w3.org/2000/svg}path"
): #If it is path
# Get vertex coordinates of path
points = CubicSuperPath(node.get('d'))
for p in points[0]:
pt = [p[1][0], p[1][1]]
if trans:
Transform(trans).apply_to_point(pt)
pts.append(Point(pt[0], pt[1]))
seeds.append(Point(p[1][0], p[1][1]))
else: # For other shapes
bbox = node.bounding_box()
if bbox:
cx = 0.5 * (bbox.left + bbox.top)
cy = 0.5 * (bbox.top + bbox.bottom)
pt = [cx, cy]
if trans:
Transform(trans).apply_to_point(pt)
pts.append(Point(pt[0], pt[1]))
seeds.append(Point(cx, cy))
pts.sort()
seeds.sort()
# In Creation of groups to store the result
# Delaunay
groupDelaunay = etree.SubElement(parentGroup, inkex.addNS('g', 'svg'))
groupDelaunay.set(inkex.addNS('label', 'inkscape'), 'Delaunay')
scale_x = float(extrinsic_image_width) / float(width)
scale_y = float(extrinsic_image_height) / float(height)
# Voronoi diagram generation
triangles = voronoi.computeDelaunayTriangulation(seeds)
for triangle in triangles:
p1 = seeds[triangle[0]]
p2 = seeds[triangle[1]]
p3 = seeds[triangle[2]]
cmds = [['M', [p1.x, p1.y]], ['L', [p2.x, p2.y]],
['L', [p3.x, p3.y]], ['Z', []]]
path = etree.Element(inkex.addNS('path', 'svg'))
path.set('d', str(Path(cmds)))
middleX = (p1.x + p2.x + p3.x) / 3.0
middleY = (p1.y + p2.y + p3.y) / 3.0
if width > middleX and height > middleY and middleX >= 0 and middleY >= 0:
pixelColor = img.getpixel((middleX, middleY))
facestyle["fill"] = str(
inkex.Color((pixelColor[0], pixelColor[1], pixelColor[2])))
else:
facestyle["fill"] = "black"
path.set('style', str(inkex.Style(facestyle)))
groupDelaunay.append(path)
def getParsedPath(d):
if (ver == 1.0):
return CubicSuperPath(Path(d).to_superpath())
else:
return cubicsuperpath.parsePath(d)
def effect(self):
if self.options.version:
print(__version__)
sys.exit(0)
self.calc_unit_factor(self.options.units)
if self.options.snap_ends is not None:
self.snap_ends = self.options.snap_ends
if self.options.close_loops is not None:
self.close_loops = self.options.close_loops
if self.options.chain_epsilon is not None:
self.chain_epsilon = self.options.chain_epsilon
if self.chain_epsilon < 0.001:
self.chain_epsilon = 0.001 # keep a minimum.
self.eps_sq = self.chain_epsilon * self.unit_factor * self.chain_epsilon * self.unit_factor
if not len(self.svg.selected.items()):
inkex.errormsg("Please select one or more objects.")
return
segments = []
for id, node in self.svg.selected.items():
if node.tag != inkex.addNS('path', 'svg'):
inkex.errormsg(
"Object " + id +
" is not a path. Try\n - Path->Object to Path\n - Object->Ungroup"
)
return
if debug:
inkex.utils.debug("id=" + str(id) + ", tag=" + str(node.tag))
path_d = CubicSuperPath(Path(node.get('d')))
sub_idx = -1
for sub in path_d:
sub_idx += 1
# sub = [[[200.0, 300.0], [200.0, 300.0], [175.0, 290.0]], [[175.0, 265.0], [220.37694, 256.99876], [175.0, 240.0]], [[175.0, 215.0], [200.0, 200.0], [200.0, 200.0]]]
# this is a path of three points. All the bezier handles are included. the Structure is:
# [[handle0_OUT, point0, handle0_1], [handle1_0, point1, handle1_2], [handle2_1, point2, handle2_OUT]]
# the _OUT handles at the end of the path are ignored. The data structure has them identical to their points.
#
if debug: inkex.utils.debug(" sub=" + str(sub))
end1 = [sub[0][1][0], sub[0][1][1]]
end2 = [sub[-1][1][0], sub[-1][1][1]]
# Remove trivial self revesal when building candidate segments list.
if ((len(sub) == 3) and self.near_ends(end1, end2)):
if debug:
inkex.utils.debug(
"dropping segment from self-reversing path, length:"
+ str(len(sub)))
sub.pop()
end2 = [sub[-1][1][0], sub[-1][1][1]]
segments.append({
'id': id,
'n': sub_idx,
'end1': end1,
'end2': end2,
'seg': sub
})
if node.get(inkex.addNS('type', 'sodipodi')):
del node.attrib[inkex.addNS('type', 'sodipodi')]
if debug: inkex.utils.debug("-------- seen: ")
for s in segments:
if debug:
inkex.utils.debug(
str(s['id']) + ", " + str(s['n']) + ", " + str(s['end1']) +
", " + str(s['end2']))
# chain the segments
obsoleted = 0
remaining = 0
for id, node in self.svg.selected.items():
path_d = CubicSuperPath(Path(node.get('d')))
# ATTENTION: for parsePath() it is the same, if first and last point coincide, or if the path is really closed.
path_closed = True if re.search("z\s*$", node.get('d')) else False
new = []
cur_idx = -1
for chain in path_d:
cur_idx += 1
if not self.is_segment_done(id, cur_idx):
# quadratic algorithm: we check both ends of the current segment.
# If one of them is near another known end from the segments list, we
# chain this segment to the current segment and remove it from the
# list,
# end1-end1 or end2-end2: The new segment is reversed.
# end1-end2: The new segment is prepended to the current segment.
# end2-end1: The new segment is appended to the current segment.
self.set_segment_done(
id, cur_idx, "output") # do not cross with ourselves.
end1 = [chain[0][1][0], chain[0][1][1]]
end2 = [chain[-1][1][0], chain[-1][1][1]]
# Remove trivial self revesal when doing the actual chain operation.
if ((len(chain) == 3) and self.near_ends(end1, end2)):
chain.pop()
end2 = [chain[-1][1][0], chain[-1][1][1]]
segments_idx = 0
while segments_idx < len(segments):
seg = segments[segments_idx]
if self.is_segment_done(seg['id'], seg['n']):
segments_idx += 1
continue
if (self.near_ends(end1, seg['end1'])
or self.near_ends(end2, seg['end2'])):
seg['seg'] = self.reverse_segment(seg['seg'])
seg['end1'], seg['end2'] = seg['end2'], seg['end1']
if debug:
inkex.utils.debug("reversed seg " +
str(seg['id']) + ", " +
str(seg['n']))
if self.near_ends(end1, seg['end2']):
# prepend seg to chain
self.set_segment_done(
seg['id'], seg['n'],
'prepended to ' + str(id) + ' ' + str(cur_idx))
chain = self.link_segments(seg['seg'], chain)
end1 = [chain[0][1][0], chain[0][1][1]]
segments_idx = 0 # this chain changed. re-visit all candidate
continue
if self.near_ends(end2, seg['end1']):
# append seg to chain
self.set_segment_done(
seg['id'], seg['n'],
'appended to ' + str(id) + ' ' + str(cur_idx))
chain = self.link_segments(chain, seg['seg'])
end2 = [chain[-1][1][0], chain[-1][1][1]]
segments_idx = 0 # this chain changed. re-visit all candidate
continue
segments_idx += 1
# Now all joinable segments are joined.
# Finally, we can check, if the resulting path is a closed path:
# Closing a path here, isolates it from the rest.
# But as we prefer to make the chain as long as possible, we close late.
if self.near_ends(
end1,
end2) and not path_closed and self.close_loops:
if debug:
inkex.utils.debug("closing closeable loop " +
str(id))
if self.snap_ends:
# move first point to mid position
x1n = (chain[0][1][0] + chain[-1][1][0]) * 0.5
y1n = (chain[0][1][1] + chain[-1][1][1]) * 0.5
chain[0][1][0], chain[0][1][1] = x1n, y1n
# merge handle of the last point to the handle of the first point
dx0e = chain[-1][0][0] - chain[-1][1][0]
dy0e = chain[-1][0][1] - chain[-1][1][1]
if debug:
inkex.utils.debug("handle diff: " + str(dx0e) +
str(dy0e))
# FIXME: this does not work. cubicsuperpath.formatPath() ignores this handle.
chain[0][0][0], chain[0][0][
1] = x1n + dx0e, y1n + dy0e
# drop last point
chain.pop()
end2 = [chain[-1][1][0], chain[-1][1][1]]
path_closed = True
self.chained_count += 1
new.append(chain)
if not len(new):
# node.clear()
if node.getparent() is not None:
node.delete()
obsoleted += 1
if debug:
inkex.utils.debug("Path node obsoleted: " + str(id))
else:
remaining += 1
# BUG: All previously closed loops, are open, after we convert them back with cubicsuperpath.formatPath()
p_fmt = str(Path(CubicSuperPath(new).to_path().to_arrays()))
if path_closed: p_fmt += " z"
if debug: inkex.utils.debug("new path: " + str(p_fmt))
node.set('d', p_fmt)
# statistics:
if debug:
inkex.utils.debug("Path nodes obsoleted: " + str(obsoleted) +
"\nPath nodes remaining:" + str(remaining))
if self.min_missed_distance_sq is not None:
if debug:
inkex.utils.debug("min_missed_distance: " + str(
math.sqrt(float(self.min_missed_distance_sq)) /
self.unit_factor) + '>' + str(self.chain_epsilon) +
str(self.options.units))
if debug:
inkex.utils.debug("Successful link operations: " +
str(self.chained_count))
