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

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//-*****************************************************************************
//
// Copyright (c) 2009-2012,
// 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>
#include <PyIBaseProperty.h>
#include <PyIPropertyUtil.h>
#include <PyTypeBindingUtil.h>
using namespace boost::python;
template<class TPTraits>
static object getPythonArray( AbcA::ArraySamplePtr& iSampPtr )
{
typedef Abc::TypedArraySample<TPTraits> samp_type;
typedef AbcU::shared_ptr<samp_type> samp_type_ptr;
samp_type_ptr typedSampPtr =
AbcU::static_pointer_cast<samp_type>( iSampPtr );
typename return_by_value::apply<samp_type_ptr>::type converter;
return object( handle<>( converter( typedSampPtr ) ) );
}
//-*****************************************************************************
#define CASE_RETURN_ARRAY_VALUE( TPTraits, iSampPtr ) \
case TPTraits::pod_enum: \
{ \
return getPythonArray<TPTraits>( iSampPtr ); \
} \
break;
//-*****************************************************************************
template<>
object getValue ( Abc::IArrayProperty &p,
const Abc::ISampleSelector &iSS,
const ReturnTypeEnum returnType )
{
// Determine the type & extent of the array property and return its value.
const AbcA::DataType &dt = p.getDataType();
AbcU::PlainOldDataType pod = dt.getPod();
const AbcU::uint8_t extent = dt.getExtent();
AbcU::Dimensions dims;
p.getDimensions( dims, iSS );
// POD data types
if( pod < 0 || pod >= AbcU::kNumPlainOldDataTypes )
{
std::stringstream stream;
stream << "ERROR: Unhandled type " << AbcU::PODName (pod)
<< " with extent " << (int)extent;
throwPythonException( stream.str().c_str() );
return object(); // Returns None object
}
AbcA::ArraySamplePtr ptr;
p.get( ptr, iSS );
if (extent == 1)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::BooleanTPTraits, ptr )
CASE_RETURN_ARRAY_VALUE( Abc::Uint8TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Int8TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Uint16TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Int16TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Uint32TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Int32TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Uint64TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Int64TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Float16TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Float32TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Float64TPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::StringTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::WstringTPTraits, ptr );
default:
break;
};
}
else if (extent == 2)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::V2sTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V2iTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V2fTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V2dTPTraits, ptr );
default:
break;
};
}
else if (extent == 3)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::C3cTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V3sTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V3iTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::C3hTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::V3dTPTraits, ptr );
case AbcU::kFloat32POD:
{
std::string interp (p.getMetaData().get ("interpretation"));
if (!interp.compare (Abc::C3fTPTraits::interpretation()))
return getPythonArray<Abc::C3fTPTraits> (ptr);
else
return getPythonArray<Abc::V3fTPTraits> (ptr);
}
default:
break;
};
}
else if (extent == 4)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::C4cTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::C4hTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Box2sTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Box2iTPTraits, ptr );
case AbcU::kFloat32POD:
{
std::string interp (p.getMetaData().get ("interpretation"));
if (!interp.compare (Abc::C4fTPTraits::interpretation()))
return getPythonArray<Abc::C4fTPTraits>( ptr );
else if (!interp.compare (Abc::QuatfTPTraits::interpretation()))
return getPythonArray<Abc::QuatfTPTraits>( ptr );
else if (!interp.compare (Abc::Box2fTPTraits::interpretation()))
return getPythonArray<Abc::Box2fTPTraits>( ptr );
}
break;
case AbcU::kFloat64POD:
{
std::string interp (p.getMetaData().get ("interpretation"));
if (!interp.compare (Abc::QuatdTPTraits::interpretation()))
return getPythonArray<Abc::QuatdTPTraits>( ptr );
else if (!interp.compare (Abc::Box2dTPTraits::interpretation()))
return getPythonArray<Abc::Box2dTPTraits>( ptr );
}
break;
default:
break;
};
}
else if (extent == 6)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::Box3sTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Box3iTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Box3fTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::Box3dTPTraits, ptr );
default:
break;
}
}
else if (extent == 9)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::M33fTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::M33dTPTraits, ptr );
default:
break;
}
}
else if (extent == 16)
{
switch ( pod )
{
CASE_RETURN_ARRAY_VALUE( Abc::M44fTPTraits, ptr );
CASE_RETURN_ARRAY_VALUE( Abc::M44dTPTraits, ptr );
default:
break;
}
}
std::stringstream stream;
stream << "ERROR: Unhandled type " << AbcU::PODName (pod)
<< " with extent " << (int)extent;
throwPythonException( stream.str().c_str() );
return object(); // Returns None object
}
//-*****************************************************************************
static object getDimension( Abc::IArrayProperty& p,
const Abc::ISampleSelector& iSS )
{
AbcU::Dimensions oDim;
p.getDimensions( oDim, iSS );
return_by_value::apply<AbcU::Dimensions>::type converter;
return object( handle<>( converter( oDim ) ) );
}
//-*****************************************************************************
static std::string getKey( Abc::IArrayProperty &p,
const Abc::ISampleSelector &iSS )
{
AbcA::ArraySampleKey oKey;
if ( p.getKey( oKey, iSS ) ) {
return oKey.digest.str();
};
return std::string();
}
//-*****************************************************************************
void register_iarrayproperty()
{
// IBaseProperty
register_IBaseProperty<AbcA::ArrayPropertyReaderPtr>(
"IBaseProperty_Array" );
// Overloads
struct Overloads
{
static object getAllValue( Abc::IArrayProperty& iProp,
const Abc::ISampleSelector &iSS )
{
return getValue<Abc::IArrayProperty>( iProp, iSS, kReturnAll );
}
static SampleList<Abc::IArrayProperty>
getAllSampleList( Abc::IArrayProperty& iProp )
{
return getSampleList<Abc::IArrayProperty>( iProp, kReturnAll );
}
static object serialize( Abc::IArrayProperty& iProp,
const Abc::ISampleSelector &iSS )
{
std::vector<std::string> valueStrings;
for( size_t i = 0; i < iProp.getNumSamples(); ++i ) {
std::stringstream buff;
buff << getValue<Abc::IArrayProperty>( iProp, iSS, kReturnAll );
valueStrings[i] = buff.str();
};
return ConvertStrings( valueStrings );
}
};
// IArrayProperty
//
class_<Abc::IArrayProperty,
bases<Abc::IBasePropertyT<AbcA::ArrayPropertyReaderPtr> > >(
"IArrayProperty",
"The IArrayProperty class is a array property reader",
init<>( "Create an empty IArrayProperty" ) )
.def( init<Abc::ICompoundProperty,
const std::string&,
optional<Abc::Argument,
Abc::Argument&> >(
( arg( "parent" ), arg( "name" ), arg( "argument" ),
arg( "argument" ) ),
"Create a new IArrayProperty with the given parent "
"ICompoundProperty, namd and optionial arguments which can "
"be used to override the ErrorHandlingPolicy, to specify "
"protocol matching policy" ) )
.def( "getNumSamples",
&Abc::IArrayProperty::getNumSamples,
"Return the number of samples contained in this property" )
.def( "isConstant",
&Abc::IArrayProperty::isConstant,
"Return True if there's no change in value amongst samples" )
.def( "isScalarLike",
&Abc::IArrayProperty::isScalarLike,
"Return True if 1 and only 1 element exist per sample" )
.def( "getTimeSampling",
&Abc::IArrayProperty::getTimeSampling,
"Return the TimeSampling of this property" )
.def( "getValue",
Overloads::getAllValue,
( arg( "iSS" ) = Abc::ISampleSelector() ),
"Return the sample with the given ISampleSelector" )
.def( "getDimension", &getDimension )
.def( "getParent",
&Abc::IArrayProperty::getParent,
"Return the parent ICompoundProperty" )
.def( "getKey", &getKey )
.def( "serialize",
Overloads::serialize,
( arg( "iSS" ) = Abc::ISampleSelector() ),
"Return the sample with the given ISampleSelector as a string" )
.add_property( "samples", Overloads::getAllSampleList )
;
// List and Iterator for array samples
//
class_< SampleList<Abc::IArrayProperty> >
( "ArraySampleList", no_init )
.def( "__len__", &SampleList<Abc::IArrayProperty>::len )
.def( "__getitem__", &SampleList<Abc::IArrayProperty>::getItem )
.def( "__iter__", &SampleList<Abc::IArrayProperty>::getIterator,
return_value_policy<manage_new_object>() )
;
class_<SampleIterator<Abc::IArrayProperty> >
( "ArraySampleIterator", no_init )
.def ( ALEMBIC_PYTHON_NEXT_NAME, &SampleIterator<Abc::IArrayProperty>::next )
;
}