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blender-archive/release/scripts/freestyle/style_modules/PredicatesU0D.py
Tamito Kajiyama b35a893249 Freestyle Python API improvements - part 4.
Major API updates were made as in part 3 to address code review comments.
This revision focuses on Python wrappers of C++ iterators.

* Most getter/setter methods were reimplemented as attributes using PyGetSetDef.

* The naming of methods and attributes was fixed to follow the naming conventions
of the Blender Python API (i.e., lower case + underscores for methods and attributes,
and CamelCase for classes).  The only irregular naming change is the following, to
better indicate the functionality:

- ChainingIterator: getVertex --> next_vertex

* In addition, some code clean-up was done in both C++ and Python.  Also duplicated
definitions of predicate classes were removed.
2013-02-16 14:21:40 +00:00

86 lines
2.2 KiB
Python

from freestyle_init import *
from Functions0D import *
class pyHigherCurvature2DAngleUP0D(UnaryPredicate0D):
def __init__(self,a):
UnaryPredicate0D.__init__(self)
self._a = a
def getName(self):
return "HigherCurvature2DAngleUP0D"
def __call__(self, inter):
func = Curvature2DAngleF0D()
a = func(inter)
return (a > self._a)
class pyUEqualsUP0D(UnaryPredicate0D):
def __init__(self,u, w):
UnaryPredicate0D.__init__(self)
self._u = u
self._w = w
def getName(self):
return "UEqualsUP0D"
def __call__(self, inter):
func = pyCurvilinearLengthF0D()
u = func(inter)
return (u > (self._u-self._w)) and (u < (self._u+self._w))
class pyVertexNatureUP0D(UnaryPredicate0D):
def __init__(self,nature):
UnaryPredicate0D.__init__(self)
self._nature = nature
def getName(self):
return "pyVertexNatureUP0D"
def __call__(self, inter):
v = inter.object
return (v.nature & self._nature) != 0
## check whether an Interface0DIterator
## is a TVertex and is the one that is
## hidden (inferred from the context)
class pyBackTVertexUP0D(UnaryPredicate0D):
def __init__(self):
UnaryPredicate0D.__init__(self)
self._getQI = QuantitativeInvisibilityF0D()
def getName(self):
return "pyBackTVertexUP0D"
def __call__(self, iter):
if (iter.object.nature & Nature.T_VERTEX) == 0:
return 0
if iter.is_end:
return 0
if self._getQI(iter) != 0:
return 1
return 0
class pyParameterUP0DGoodOne(UnaryPredicate0D):
def __init__(self,pmin,pmax):
UnaryPredicate0D.__init__(self)
self._m = pmin
self._M = pmax
#self.getCurvilinearAbscissa = GetCurvilinearAbscissaF0D()
def getName(self):
return "pyCurvilinearAbscissaHigherThanUP0D"
def __call__(self, inter):
#s = self.getCurvilinearAbscissa(inter)
u = inter.u
#print(u)
return ((u>=self._m) and (u<=self._M))
class pyParameterUP0D(UnaryPredicate0D):
def __init__(self,pmin,pmax):
UnaryPredicate0D.__init__(self)
self._m = pmin
self._M = pmax
#self.getCurvilinearAbscissa = GetCurvilinearAbscissaF0D()
def getName(self):
return "pyCurvilinearAbscissaHigherThanUP0D"
def __call__(self, inter):
func = Curvature2DAngleF0D()
c = func(inter)
b1 = (c>0.1)
#s = self.getCurvilinearAbscissa(inter)
u = inter.u
#print(u)
b = ((u>=self._m) and (u<=self._M))
return b and b1