def test_bbox_nonintersection_is_empty(self):
bbox1 = BoundingBox((0, 1), (2, 3))
bbox2 = BoundingBox((2, 3), (1, 2))
self.assertEqual(bbox1 & bbox2, BoundingBox())
def test_bbox_empty_equivalent_to_none(self):
bbox = BoundingBox((0, 1), (2, 3))
self.assertEqual(bbox + None, bbox + BoundingBox())
self.assertEqual(bbox & None, bbox & BoundingBox())
self.assertEqual(None + bbox, BoundingBox() + bbox)
self.assertEqual(None & bbox, BoundingBox() & bbox)
def test_bbox_empty_is_zero_for_intersection(self):
bbox = BoundingBox((0, 1), (2, 3))
self.assertEqual(BoundingBox() & bbox, BoundingBox())
def test_bbox_empty_is_identity_for_addition(self):
bbox = BoundingBox((0, 1), (2, 3))
self.assertEqual(BoundingBox() + bbox, bbox)
def test_bbox_nonempty_is_true(self):
self.assertTrue(bool(BoundingBox((0, 0), (0, 0))))
def test_bbox_empty_is_false(self):
self.assertFalse(bool(BoundingBox()))
def effect(self):
if len(self.options.ids) < 2:
inkex.errormsg(_("This extension requires two selected paths."))
return
self.prepareSelectionList()
# center at (0,0)
bbox = self.patternNode.bounding_box()
mat = [[1, 0, -bbox.center.x], [0, 1, -bbox.center.y]]
if self.options.vertical:
bbox = BoundingBox(-bbox.y, bbox.x)
mat = (Transform([[0, -1, 0], [1, 0, 0]]) * Transform(mat)).matrix
mat[1][2] += self.options.noffset
self.patternNode.transform *= mat
width = bbox.width
dx = width + self.options.space
# check if group and expand it
patternList = []
if self.options.grouppick and isinstance(self.patternNode, Group):
mat = self.patternNode.transform
for child in self.patternNode:
child.transform *= mat
patternList.append(child)
else:
patternList.append(self.patternNode)
# inkex.debug(patternList)
counter = 0
for skelnode in self.skeletons.values():
self.curSekeleton = skelnode.path.to_superpath()
for comp in self.curSekeleton:
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)
if self.options.stretch:
dx = width + self.options.space
n = int(
(length - self.options.toffset + self.options.space) /
dx)
if n > 0:
dx = (length - self.options.toffset) / n
xoffset = self.skelcomp[0][
0] - bbox.x.minimum + self.options.toffset
yoffset = self.skelcomp[0][
1] - bbox.y.center - self.options.noffset
s = self.options.toffset
while s <= length:
mat = self.localTransformAt(s, self.options.follow)
if self.options.pickmode == "rand":
clone = copy.deepcopy(patternList[random.randint(
0,
len(patternList) - 1)])
if self.options.pickmode == "seq":
clone = copy.deepcopy(patternList[counter])
counter = (counter + 1) % len(patternList)
# !!!--> should it be given an id?
# seems to work without this!?!
myid = patternList[random.randint(0,
len(patternList) -
1)].tag.split('}')[-1]
clone.set("id", self.svg.get_unique_id(myid))
self.gNode.append(clone)
clone.transform *= mat
s += dx
self.patternNode.getparent().remove(self.patternNode)