Current File : //usr/include/Imath/PyImathFrustum.h
//
// SPDX-License-Identifier: BSD-3-Clause
// Copyright Contributors to the OpenEXR Project.
//
// clang-format off
#ifndef _PyImathFrustum_h_
#define _PyImathFrustum_h_
#include <Python.h>
#include <boost/python.hpp>
#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
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