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UnrealEngine/Engine/Source/ThirdParty/Alembic/alembic-1.8.7/python/PyAlembic/PyIArchive.cpp
2025-05-18 13:04:45 +08:00

164 lines
6.1 KiB
C++

//-*****************************************************************************
//
// Copyright (c) 2009-2014,
// Sony Pictures Imageworks Inc. and
// Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// 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
// Industrial Light & Magic, nor the names of their 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 <Foundation.h>
using namespace boost::python;
const std::string kHDF5 = "HDF5";
const std::string kOgawa = "Ogawa";
const std::string kLayer = "Layer";
const std::string kUnknown = "Unknown";
//-*****************************************************************************
static Abc::IArchive* mkIArchive( const std::string &iName )
{
Abc::IArchive archive;
AbcF::IFactory factory;
factory.setPolicy(Abc::ErrorHandler::kQuietNoopPolicy);
AbcF::IFactory::CoreType coreType;
archive = factory.getArchive(iName, coreType);
if ( coreType == AbcF::IFactory::kUnknown ) {
throwPythonException( "Unknown core type" );
}
#ifndef ALEMBIC_WITH_HDF5
else if ( coreType == AbcF::IFactory::kHDF5 ) {
throwPythonException( "Unsupported core type: HDF5" );
}
#endif
return new Abc::IArchive( archive );
}
//-*****************************************************************************
static Abc::IArchive* mkLayeredIArchive( boost::python::list &iNames )
{
std::vector< std::string > files;
for ( int i = 0; i < len(iNames); ++i )
{
files.push_back( boost::python::extract<std::string>( iNames[i] ) );
}
Abc::IArchive archive;
AbcF::IFactory factory;
factory.setPolicy(Abc::ErrorHandler::kQuietNoopPolicy);
AbcF::IFactory::CoreType coreType;
archive = factory.getArchive( files, coreType );
if ( coreType == AbcF::IFactory::kUnknown ) {
throwPythonException( "Unknown core type" );
}
#ifndef ALEMBIC_WITH_HDF5
else if ( coreType == AbcF::IFactory::kHDF5 ) {
throwPythonException( "Unsupported core type: HDF5" );
}
#endif
return new Abc::IArchive( archive );
}
//-*****************************************************************************
static std::string getCoreType( Abc::IArchive& archive )
{
AbcF::IFactory factory;
factory.setPolicy(Abc::ErrorHandler::kQuietNoopPolicy);
AbcF::IFactory::CoreType coreType;
archive = factory.getArchive(archive.getName(), coreType);
if ( coreType == AbcF::IFactory::kOgawa ) {
return kOgawa;
} else if ( coreType == AbcF::IFactory::kHDF5 ) {
return kHDF5;
} else {
return kUnknown;
};
}
//-*****************************************************************************
void register_iarchive()
{
// export the CoreType constants
//
scope().attr("kHDF5") = kHDF5;
scope().attr("kOgawa") = kOgawa;
scope().attr("kLayer") = kLayer;
scope().attr("kUnknown") = kUnknown;
// IArchive
//
class_< Abc::IArchive >(
"IArchive",
"The IArchive class opens an existing Alembic archive for read access",
no_init )
.def( "__init__",
make_constructor(
mkIArchive,
default_call_policies(),
( arg( "fileName" ) ) ),
"Create an IArchive with the given file name" )
.def( "__init__",
make_constructor(
mkLayeredIArchive,
default_call_policies(),
( arg( "fileList" ) ) ),
"Create a layered IArchive with the given file name list" )
.def( "getName",
&Abc::IArchive::getName,
"Return the file name" )
.def( "getTop",
&Abc::IArchive::getTop,
"Return the single top-level IObject",
with_custodian_and_ward_postcall<0,1>() )
.def( "getCoreType",
&getCoreType,
"Return the archive CoreType" )
.def( "getTimeSampling",
&Abc::IArchive::getTimeSampling,
( arg( "index" ) ),
"Return the TimeSampling with the given index" )
.def( "getNumTimeSamplings",
&Abc::IArchive::getNumTimeSamplings,
"Return the total number of TimeSampling in the Archive" )
.def( "getMaxNumSamplesForTimeSamplingIndex",
&Abc::IArchive::getMaxNumSamplesForTimeSamplingIndex,
( arg("index" ) ),
"Returns the max number of samples set for the TimeSampling at the given index." )
.def( "valid", &Abc::IArchive::valid )
.def( ALEMBIC_PYTHON_BOOL_NAME, &Abc::IArchive::valid )
.def( "__str__", &Abc::IArchive::getName )
;
}