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+/*
+Copyright (c) 2003-2010 Sony Pictures Imageworks Inc., et al.
+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 Sony Pictures Imageworks 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.
+*/
+
+
+#include <Python.h>
+
+#include <OpenColorIO/OpenColorIO.h>
+
+#include "PyTransform.h"
+#include "PyUtil.h"
+#include "PyDoc.h"
+
+//Rarely used. could use a log transform instead. This can sample by log when doing the offset to make best use of the data.
+
+OCIO_NAMESPACE_ENTER
+{
+ ///////////////////////////////////////////////////////////////////////////
+ ///
+
+ bool AddAllocationTransformObjectToModule( PyObject* m )
+ {
+ PyOCIO_AllocationTransformType.tp_new = PyType_GenericNew;
+ if ( PyType_Ready(&PyOCIO_AllocationTransformType) < 0 ) return false;
+
+ Py_INCREF( &PyOCIO_AllocationTransformType );
+ PyModule_AddObject(m, "AllocationTransform",
+ (PyObject *)&PyOCIO_AllocationTransformType);
+
+ return true;
+ }
+
+ /*
+ bool IsPyAllocationTransform(PyObject * pyobject)
+ {
+ if(!pyobject) return false;
+ return PyObject_TypeCheck(pyobject, &PyOCIO_AllocationTransformType);
+ }
+ */
+
+ ConstAllocationTransformRcPtr GetConstAllocationTransform(PyObject * pyobject, bool allowCast)
+ {
+ ConstAllocationTransformRcPtr transform = \
+ DynamicPtrCast<const AllocationTransform>(GetConstTransform(pyobject, allowCast));
+ if(!transform)
+ {
+ throw Exception("PyObject must be a valid OCIO.AllocationTransform.");
+ }
+ return transform;
+ }
+
+ AllocationTransformRcPtr GetEditableAllocationTransform(PyObject * pyobject)
+ {
+ AllocationTransformRcPtr transform = \
+ DynamicPtrCast<AllocationTransform>(GetEditableTransform(pyobject));
+ if(!transform)
+ {
+ throw Exception("PyObject must be a valid OCIO.AllocationTransform.");
+ }
+ return transform;
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ ///
+
+ namespace
+ {
+ int PyOCIO_AllocationTransform_init( PyOCIO_Transform * self, PyObject * args, PyObject * kwds );
+
+ PyObject * PyOCIO_AllocationTransform_equals( PyObject * self, PyObject *args );
+
+ PyObject * PyOCIO_AllocationTransform_getAllocation( PyObject * self );
+ PyObject * PyOCIO_AllocationTransform_setAllocation( PyObject * self, PyObject *args );
+ PyObject * PyOCIO_AllocationTransform_getVars( PyObject * self );
+ PyObject * PyOCIO_AllocationTransform_setVars( PyObject * self, PyObject *args );
+
+ ///////////////////////////////////////////////////////////////////////
+ ///
+
+ PyMethodDef PyOCIO_AllocationTransform_methods[] = {
+ {"getAllocation",
+ (PyCFunction) PyOCIO_AllocationTransform_getAllocation, METH_NOARGS, ALLOCATIONTRANSFORM_GETALLOCATION__DOC__ },
+ {"setAllocation",
+ PyOCIO_AllocationTransform_setAllocation, METH_VARARGS, ALLOCATIONTRANSFORM_SETALLOCATION__DOC__ },
+ {"getVars",
+ (PyCFunction) PyOCIO_AllocationTransform_getVars, METH_NOARGS, ALLOCATIONTRANSFORM_GETVARS__DOC__ },
+ {"setVars",
+ PyOCIO_AllocationTransform_setVars, METH_VARARGS, ALLOCATIONTRANSFORM_SETVARS__DOC__ },
+ {NULL, NULL, 0, NULL}
+ };
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ ///
+
+ PyTypeObject PyOCIO_AllocationTransformType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, //ob_size
+ "OCIO.AllocationTransform", //tp_name
+ sizeof(PyOCIO_Transform), //tp_basicsize
+ 0, //tp_itemsize
+ 0, //tp_dealloc
+ 0, //tp_print
+ 0, //tp_getattr
+ 0, //tp_setattr
+ 0, //tp_compare
+ 0, //tp_repr
+ 0, //tp_as_number
+ 0, //tp_as_sequence
+ 0, //tp_as_mapping
+ 0, //tp_hash
+ 0, //tp_call
+ 0, //tp_str
+ 0, //tp_getattro
+ 0, //tp_setattro
+ 0, //tp_as_buffer
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, //tp_flags
+ ALLOCATIONTRANSFORM__DOC__, //tp_doc
+ 0, //tp_traverse
+ 0, //tp_clear
+ 0, //tp_richcompare
+ 0, //tp_weaklistoffset
+ 0, //tp_iter
+ 0, //tp_iternext
+ PyOCIO_AllocationTransform_methods, //tp_methods
+ 0, //tp_members
+ 0, //tp_getset
+ &PyOCIO_TransformType, //tp_base
+ 0, //tp_dict
+ 0, //tp_descr_get
+ 0, //tp_descr_set
+ 0, //tp_dictoffset
+ (initproc) PyOCIO_AllocationTransform_init, //tp_init
+ 0, //tp_alloc
+ 0, //tp_new
+ 0, //tp_free
+ 0, //tp_is_gc
+ 0, //tp_bases
+ 0, //tp_mro
+ 0, //tp_cache
+ 0, //tp_subclasses
+ 0, //tp_weaklist
+ 0, //tp_del
+ #if PY_VERSION_HEX > 0x02060000
+ 0, //tp_version_tag
+ #endif
+ };
+
+ ///////////////////////////////////////////////////////////////////////////
+ ///
+
+ namespace
+ {
+
+ ///////////////////////////////////////////////////////////////////////
+ ///
+
+ int PyOCIO_AllocationTransform_init( PyOCIO_Transform *self, PyObject * /*args*/, PyObject * /*kwds*/ )
+ {
+ ///////////////////////////////////////////////////////////////////
+ /// init pyobject fields
+
+ self->constcppobj = new ConstTransformRcPtr();
+ self->cppobj = new TransformRcPtr();
+ self->isconst = true;
+
+ try
+ {
+ *self->cppobj = AllocationTransform::Create();
+ self->isconst = false;
+ return 0;
+ }
+ catch ( const std::exception & e )
+ {
+ std::string message = "Cannot create AllocationTransform: ";
+ message += e.what();
+ PyErr_SetString( PyExc_RuntimeError, message.c_str() );
+ return -1;
+ }
+ }
+
+ ////////////////////////////////////////////////////////////////////////
+ ///
+
+ PyObject * PyOCIO_AllocationTransform_getAllocation( PyObject * self )
+ {
+ try
+ {
+ ConstAllocationTransformRcPtr transform = GetConstAllocationTransform(self, true);
+ return PyString_FromString( AllocationToString( transform->getAllocation()) );
+ }
+ catch(...)
+ {
+ Python_Handle_Exception();
+ return NULL;
+ }
+ }
+
+ PyObject * PyOCIO_AllocationTransform_setAllocation( PyObject * self, PyObject * args )
+ {
+ try
+ {
+ Allocation hwalloc;
+ if (!PyArg_ParseTuple(args,"O&:setAllocation",
+ ConvertPyObjectToAllocation, &hwalloc)) return NULL;
+
+ AllocationTransformRcPtr transform = GetEditableAllocationTransform(self);
+ transform->setAllocation( hwalloc );
+
+ Py_RETURN_NONE;
+ }
+ catch(...)
+ {
+ Python_Handle_Exception();
+ return NULL;
+ }
+ }
+
+ ////////////////////////////////////////////////////////////////////////
+ ///
+
+ PyObject * PyOCIO_AllocationTransform_getVars( PyObject * self )
+ {
+ try
+ {
+ ConstAllocationTransformRcPtr transform = GetConstAllocationTransform(self, true);
+
+ std::vector<float> vars(transform->getNumVars());
+ if(!vars.empty())
+ {
+ transform->getVars(&vars[0]);
+ }
+
+ return CreatePyListFromFloatVector(vars);
+ }
+ catch(...)
+ {
+ Python_Handle_Exception();
+ return NULL;
+ }
+ }
+
+ PyObject * PyOCIO_AllocationTransform_setVars( PyObject * self, PyObject * args )
+ {
+ try
+ {
+ PyObject * pyvars = 0;
+ if (!PyArg_ParseTuple(args,"O:setVars", &pyvars)) return NULL;
+
+ std::vector<float> vars;
+ if(!FillFloatVectorFromPySequence(pyvars, vars))
+ {
+ PyErr_SetString(PyExc_TypeError, "First argument must be a float array.");
+ return 0;
+ }
+
+ AllocationTransformRcPtr transform = GetEditableAllocationTransform(self);
+ if(!vars.empty())
+ {
+ transform->setVars(static_cast<int>(vars.size()), &vars[0]);
+ }
+
+ Py_RETURN_NONE;
+
+ }
+ catch(...)
+ {
+ Python_Handle_Exception();
+ return NULL;
+ }
+ }
+
+ }
+
+}
+OCIO_NAMESPACE_EXIT