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Diffstat (limited to 'src/pyglue/PyAllocationTransform.cpp')
-rw-r--r-- | src/pyglue/PyAllocationTransform.cpp | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/src/pyglue/PyAllocationTransform.cpp b/src/pyglue/PyAllocationTransform.cpp new file mode 100644 index 0000000..a977274 --- /dev/null +++ b/src/pyglue/PyAllocationTransform.cpp @@ -0,0 +1,300 @@ +/* +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 |