2022-04-07 18:46:57 +02:00

107 lines
3.8 KiB
C++

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007-2011, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// 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 Industrial Light & Magic nor the names of
// its contributors 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.
//
///////////////////////////////////////////////////////////////////////////
#ifndef _PyImathFrustum_h_
#define _PyImathFrustum_h_
#include <Python.h>
#include <boost/python.hpp>
//#include <PyImath.h>
#include <ImathFrustum.h>
#include <ImathFrustumTest.h>
#include <PyImath.h>
namespace PyImath {
template <class T> boost::python::class_<IMATH_NAMESPACE::Frustum<T> > register_Frustum();
template <class T> boost::python::class_<IMATH_NAMESPACE::FrustumTest<T> > register_FrustumTest();
//
// Other code in the Zeno code base assumes the existance of a class with the
// same name as the Imath class, and with static functions wrap() and
// convert() to produce a PyImath object from an Imath object and vice-versa,
// respectively. The class Boost generates from the Imath class does not
// have these properties, so we define a companion class here.
// The template argument, T, is the element type (e.g.,float, double).
template <class T>
class F {
public:
static PyObject * wrap (const IMATH_NAMESPACE::Frustum<T> &f);
static int convert (PyObject *p, IMATH_NAMESPACE::Frustum<T> *f);
};
template <class T>
PyObject *
F<T>::wrap (const IMATH_NAMESPACE::Frustum<T> &f)
{
typename boost::python::return_by_value::apply < IMATH_NAMESPACE::Frustum<T> >::type converter;
PyObject *p = converter (f);
return p;
}
template <class T>
int
F<T>::convert (PyObject *p, IMATH_NAMESPACE::Frustum<T> *f)
{
boost::python::extract <IMATH_NAMESPACE::Frustumf> extractorEf (p);
if (extractorEf.check())
{
IMATH_NAMESPACE::Frustumf e = extractorEf();
f->set (T(e.nearPlane()), T(e.farPlane()), T(e.left()), T(e.right()),
T(e.top()), T(e.bottom()), e.orthographic());
return 1;
}
boost::python::extract <IMATH_NAMESPACE::Frustumd> extractorEd (p);
if (extractorEd.check())
{
IMATH_NAMESPACE::Frustumd e = extractorEd();
f->set (T(e.nearPlane()), T(e.farPlane()), T(e.left()), T(e.right()),
T(e.top()), T(e.bottom()), e.orthographic());
return 1;
}
return 0;
}
typedef F<float> Frustumf;
typedef F<double> Frustumd;
}
#endif