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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef otbWrapperCastimage_h
#define otbWrapperCastimage_h
#include "otbClampImageFilter.h"
#include "OTBApplicationEngineExport.h"
#include "otbWrapperTypes.h"
namespace otb
{
namespace Wrapper
{
namespace details
{
/** \class CastImage
* \brief Helper class (private) which casts and clamps input-image type into
* output-image type.
*
* \ingroup OTBApplicationEngine
*/
template <typename TOutputImage, typename TInputImage>
struct OTBApplicationEngine_EXPORT_TEMPLATE CastImage
{
/** Input clamping */
using InputClampImageFilter = ClampImageFilter<TInputImage, DoubleVectorImageType>;
/** Output clamping */
using OutputClampImageFilter = ClampImageFilter<DoubleVectorImageType, TOutputImage>;
/** Constructor. */
CastImage(TInputImage* in) : icif(InputClampImageFilter::New()), ocif(OutputClampImageFilter::New()), out(ocif->GetOutput())
{
assert(in);
icif->SetInput(in);
ocif->SetInput(icif->GetOutput());
}
/** Input-image clamp filter. */
typename InputClampImageFilter::Pointer icif;
/** Output-image clamp filter. */
typename OutputClampImageFilter::Pointer ocif;
/** Output image. */
TOutputImage* out;
};
/** \class CastImage
* \brief Partial template specialization which optimizes processing
* pipeline when input-image is DoubleVectorImageType.
*
* \ingroup OTBApplicationEngine
*/
template <typename TOutputImage>
struct OTBApplicationEngine_EXPORT_TEMPLATE CastImage<TOutputImage, DoubleVectorImageType>
{
/** Output clamping */
using OutputClampImageFilter = ClampImageFilter<DoubleVectorImageType, TOutputImage>;
/** Constructor. */
CastImage(DoubleVectorImageType* in) : ocif(OutputClampImageFilter::New()), out(ocif->GetOutput())
{
assert(in);
ocif->SetInput(in);
}
/** Input-image clamp filter. */
itk::ProcessObject::Pointer icif;
/** Output-image clamp filter. */
typename OutputClampImageFilter::Pointer ocif;
/** Output image. */
TOutputImage* out;
};
/** \class CastImage
* \brief Template specialization which optimizes the processing
* pipeline when input-image and output-image types are identical.
*
* \ingroup OTBApplicationEngine
*/
template <typename T>
struct OTBApplicationEngine_EXPORT_TEMPLATE CastImage<T, T>
{
CastImage(T* in) : out(in)
{
assert(in);
}
itk::ProcessObject::Pointer icif;
itk::ProcessObject::Pointer ocif;
T* out;
};
/** \class CastImage
* \brief Template specialization which optimizes the processing
* pipeline when input-image and output-image types are identical.
*
* \ingroup OTBApplicationEngine
*/
template <>
struct OTBApplicationEngine_EXPORT_TEMPLATE CastImage<DoubleVectorImageType, DoubleVectorImageType>
{
CastImage(DoubleVectorImageType* in) : out(in)
{
assert(in);
}
itk::ProcessObject::Pointer icif;
itk::ProcessObject::Pointer ocif;
DoubleVectorImageType* out;
};
} // namespace details.
} // namespace Wrapper
} // namespace otb
#endif
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