diff options
Diffstat (limited to 'release/scripts/freestyle/modules/freestyle/predicates.py')
| -rw-r--r-- | release/scripts/freestyle/modules/freestyle/predicates.py | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/release/scripts/freestyle/modules/freestyle/predicates.py b/release/scripts/freestyle/modules/freestyle/predicates.py index 54656e450d9..5cbe577b956 100644 --- a/release/scripts/freestyle/modules/freestyle/predicates.py +++ b/release/scripts/freestyle/modules/freestyle/predicates.py @@ -43,6 +43,7 @@ __all__ = ( "FalseUP0D", "FalseUP1D", "Length2DBP1D", + "MaterialBP1D", "NotBP1D", "NotUP1D", "ObjectNamesUP1D", @@ -150,12 +151,13 @@ from freestyle.functions import ( pyViewMapGradientNormF1D, ) +from freestyle.utils import material_from_fedge + import random # -- Unary predicates for 0D elements (vertices) -- # - class pyHigherCurvature2DAngleUP0D(UnaryPredicate0D): def __init__(self, a): UnaryPredicate0D.__init__(self) @@ -234,9 +236,10 @@ class AndUP1D(UnaryPredicate1D): def __init__(self, *predicates): UnaryPredicate1D.__init__(self) self.predicates = predicates - # there are cases in which only one predicate is supplied (in the parameter editor) - if len(self.predicates) < 1: - raise ValueError("Expected one or more UnaryPredicate1D, got ", len(predicates)) + correct_types = all(isinstance(p, UnaryPredicate1D) for p in self.predicates) + if not (correct_types and predicates): + raise TypeError("%s: Expected one or more UnaryPredicate1D, got %r" % + (self.__class__.__name__, self.predicates)) def __call__(self, inter): return all(pred(inter) for pred in self.predicates) @@ -246,9 +249,10 @@ class OrUP1D(UnaryPredicate1D): def __init__(self, *predicates): UnaryPredicate1D.__init__(self) self.predicates = predicates - # there are cases in which only one predicate is supplied (in the parameter editor) - if len(self.predicates) < 1: - raise ValueError("Expected one or more UnaryPredicate1D, got ", len(predicates)) + correct_types = all(isinstance(p, UnaryPredicate1D) for p in self.predicates) + if not (correct_types and predicates): + raise TypeError("%s: Expected one or more UnaryPredicate1D, got %r" % + (self.__class__.__name__, self.predicates)) def __call__(self, inter): return any(pred(inter) for pred in self.predicates) @@ -257,10 +261,10 @@ class OrUP1D(UnaryPredicate1D): class NotUP1D(UnaryPredicate1D): def __init__(self, pred): UnaryPredicate1D.__init__(self) - self.__pred = pred + self.predicate = pred def __call__(self, inter): - return not self.__pred(inter) + return not self.predicate(inter) class ObjectNamesUP1D(UnaryPredicate1D): @@ -563,32 +567,36 @@ class pyClosedCurveUP1D(UnaryPredicate1D): class AndBP1D(BinaryPredicate1D): def __init__(self, *predicates): BinaryPredicate1D.__init__(self) - self._predicates = predicates - if len(self.predicates) < 2: - raise ValueError("Expected two or more BinaryPredicate1D, got ", len(predictates)) + self.predicates = tuple(predicates) + correct_types = all(isinstance(p, BinaryPredicate1D) for p in self.predicates) + if not (correct_types and predicates): + raise TypeError("%s: Expected one or more BinaryPredicate1D, got %r" % + (self.__class__.__name__, self.predicates)) def __call__(self, i1, i2): - return all(pred(i1, i2) for pred in self._predicates) + return all(pred(i1, i2) for pred in self.predicates) class OrBP1D(BinaryPredicate1D): def __init__(self, *predicates): BinaryPredicate1D.__init__(self) - self._predicates = predicates - if len(self.predicates) < 2: - raise ValueError("Expected two or more BinaryPredicate1D, got ", len(predictates)) + self.predicates = tuple(predicates) + correct_types = all(isinstance(p, BinaryPredicate1D) for p in self.predicates) + if not (correct_types and predicates): + raise TypeError("%s: Expected one or more BinaryPredicate1D, got %r" % + (self.__class__.__name__, self.predicates)) def __call__(self, i1, i2): - return any(pred(i1, i2) for pred in self._predicates) + return any(pred(i1, i2) for pred in self.predicates) class NotBP1D(BinaryPredicate1D): def __init__(self, predicate): BinaryPredicate1D.__init__(self) - self._predicate = predicate + self.predicate = predicate def __call__(self, i1, i2): - return (not self._predicate(i1, i2)) + return (not self.predicate(i1, i2)) class pyZBP1D(BinaryPredicate1D): @@ -663,3 +671,10 @@ class pyShuffleBP1D(BinaryPredicate1D): def __call__(self, inter1, inter2): return (random.uniform(0, 1) < random.uniform(0, 1)) + +class MaterialBP1D(BinaryPredicate1D): + """Checks whether the two supplied ViewEdges have the same material.""" + def __call__(self, i1, i2): + fedges = (fe for ve in (i1, i2) for fe in (ve.first_fedge, ve.last_fedge)) + materials = {material_from_fedge(fe) for fe in fedges} + return len(materials) < 2 |