def dataPointer(cls, instance):
"""Convert given instance to a data-pointer value (integer)"""
try:
return long(instance.__array_data__[0], 0)
except AttributeError as err:
instance = cls.asArray(instance)
try:
return long(instance.__array_interface__['data'][0])
except AttributeError as err:
return long(instance.__array_data__[0], 0)
def dataPointer(cls, instance):
"""Convert given instance to a data-pointer value (integer)"""
try:
return long(instance.__array_data__[0], 0)
except AttributeError as err:
instance = cls.asArray(instance)
try:
return long(instance.__array_interface__["data"][0])
except AttributeError as err:
return long(instance.__array_data__[0], 0)
def create_buffers( self ):
"""Create the internal buffer(s)"""
assert not self.buffers, """Already created the buffer"""
self.buffers = [ long(self.implementation.glGenBuffers(1)) ]
self.target = self.resolve( self.target )
self.usage = self.resolve( self.usage )
self.implementation._DELETERS_[ id(self) ] = weakref.ref( self, self.implementation.deleter( self.buffers, id(self) ))
return self.buffers
def create_buffers( self ):
"""Create the internal buffer(s)"""
assert not self.buffers, """Already created the buffer"""
self.buffers = [ long(self.implementation.glGenBuffers(1)) ]
self.target = self.resolve( self.target )
self.usage = self.resolve( self.usage )
self.implementation._DELETERS_[ id(self) ] = weakref.ref( self, self.implementation.deleter( self.buffers, id(self) ))
return self.buffers
def coerce( self, value ):
"""Coerce the given value to our type
Allowable types:
any object with true/false protocol
"""
try:
return long( value )
except ValueError:
raise ValueError( """Attempted to set value for an %s field which is not compatible: %s"""%( self.typeName(), repr(value) ))
def vrmlstr( self, value, lineariser=None):
"""Convert the given value to a VRML97 representation"""
base = str( long(value) )
if base[-1] in ('l','L'):
base = base[:-1]
return base
