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#############################################################
## ##
## Copyright (c) 2003-2011 by The University of Queensland ##
## Earth Systems Science Computational Centre (ESSCC) ##
## http://www.uq.edu.au/esscc ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.opensource.org/licenses/osl-3.0.php ##
## ##
#############################################################
"""
Defines classes which relate to I{modifying} renderable objects.
"""
class Modifiable(object):
def __init__(self):
self.idModDict = dict()
def getModifierList(self):
pairList = self.idModDict.values()
pairList.sort(lambda a,b: a[0]-b[0])
return [e[1] for e in pairList]
def applySingle(self, modifier):
if (modifier != None):
self.idModDict[id(modifier.__class__)] = \
(len(self.idModDict),modifier)
def applySequence(self, sequence):
for modifier in sequence:
self.applySingle(modifier)
def apply(self, modifiers):
if ((modifiers != None) and (hasattr(modifiers, "__iter__"))):
self.applySequence(modifiers)
else:
self.applySingle(modifiers)
class Modifier(object):
def __init__(self):
pass
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