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Copy pathLookupBinding.cpp
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100 lines (87 loc) · 3.63 KB
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//////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2010, Image Engine Design Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * Neither the name of Image Engine Design nor the names of any
// other contributors to this software may be used to endorse or
// promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////
// This include needs to be the very first to prevent problems with warnings
// regarding redefinition of _POSIX_C_SOURCE
#include "boost/python.hpp"
#include "IECorePython/LookupBinding.h"
#include "IECore/Lookup.h"
#include "IECore/Spline.h"
#include "IECore/TypedData.h"
#include "IECore/VectorTypedData.h"
#include <cassert>
#include <iterator>
#include <string>
using namespace boost::python;
using namespace IECore;
namespace IECorePython
{
template<typename T, typename U>
void bindLookup(const char *bindName);
void bindLookup()
{
bindLookup< float, float >("Lookupff");
bindLookup< double, double >("Lookupdd");
bindLookup< float, Imath::Color3f >("LookupfColor3f");
bindLookup< float, Imath::Color4f >("LookupfColor4f");
}
/// \todo Implement Lookup for generic functors.
template<typename T, typename U>
void initLookup( Lookup<T,U> &lookup, Spline< T,U > &spline, T xMin, T xMax, unsigned numSamples )
{
lookup.init( spline, xMin, xMax, numSamples );
}
template<typename T, typename U>
typename TypedData< std::vector< U > >::Ptr vectorLookup( Lookup<T,U> &lookup, typename TypedData< std::vector< T > >::Ptr x )
{
typename TypedData< std::vector< U > >::Ptr res = new TypedData< std::vector< U > >;
res->writable().resize( x->readable().size() );
typename std::vector< T >::const_iterator xIt = x->readable().begin();
typename std::vector< U >::iterator yIt = res->writable().begin();
for ( ; xIt != x->readable().end(); xIt++, yIt++ )
{
*yIt = lookup( *xIt );
}
return res;
}
template<typename T, typename U>
void bindLookup(const char *bindName)
{
class_< Lookup<T,U>, boost::noncopyable>(bindName, no_init)
.def(init<>())
.def( "init", &initLookup<T,U>, ( arg_( "self" ), arg_( "func" ), arg_( "xMin" ) = 0, arg_( "xMax" )= 1, arg_( "numSamples" )=100 ) )
.def("__call__", &Lookup<T,U>::operator() )
.def("__call__", &vectorLookup<T,U> )
;
}
}