/usr/include/ITK-4.5/itkScalarToRGBPixelFunctor.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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 __itkScalarToRGBPixelFunctor_h
#define __itkScalarToRGBPixelFunctor_h
#include "itkRGBPixel.h"
namespace itk
{
namespace Functor
{
/**
* \class ScalarToRGBPixelFunctor
* \brief A Function object which maps a scalar value into an RGB pixel value.
*
* This class is useful for visualizing labeled images which cannot be mapped
* succefully into grayscale images. Images of unsigned long integers, for
* example, may have too many graylevels to visualize effectively.
*
* The hashing scheme used is designed to spread close scalar values of very
* different colors by using the least significant bits (fastest changing) of
* the scalar type to determine the color. Because labeled images may
* typically use sequential values, it is desirable that those values result
* in easily discernable colors.
*
* \ingroup ITKImageFusion
*/
template< typename TScalar >
class ScalarToRGBPixelFunctor
{
public:
ScalarToRGBPixelFunctor();
~ScalarToRGBPixelFunctor() {}
typedef unsigned char RGBComponentType;
typedef RGBPixel< RGBComponentType > RGBPixelType;
typedef TScalar ScalarType;
RGBPixelType operator()(const TScalar &) const;
void SetLittleEndian()
{
m_UseMSBForHashing = false;
}
void SetBigEndian()
{
m_UseMSBForHashing = true;
}
void SetUseMSBForHashing(bool value)
{
m_UseMSBForHashing = value;
}
bool GetUseMSBForHashing() const
{
return m_UseMSBForHashing;
}
void UseMSBForHashingOn()
{
m_UseMSBForHashing = true;
}
void UseMSBForHashingOff()
{
m_UseMSBForHashing = false;
}
private:
bool m_UseMSBForHashing;
unsigned int m_ColorIndex[3];
};
} // end namespace functor
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarToRGBPixelFunctor.hxx"
#endif
#endif
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