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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkColorTable.h,v $
Language: C++
Date: $Date: 2007-01-30 20:56:07 $
Version: $Revision: 1.19 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkColorTable_h
#define __itkColorTable_h
#include <itkObject.h>
#include <itkRGBPixel.h>
#include <itkObjectFactory.h>
namespace itk
{
/** \class ColorTable
* itkColorTable Class define a Color table for image visualisation
*
* \ingroup DataRepresentation
*/
template<class TPixel>
class ITK_EXPORT ColorTable : public Object
{
public:
/** Standard class typedefs. */
typedef ColorTable Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ColorTable,Object);
/** Generate a lookup table of 8 discrete colors. The colors are Red,
* Purple, Aqua, Yellow, Green, Blue, Grey0.70, White.
*/
void UseDiscreteColors(void);
/** Generate a lookuptable of n grayscale values. A ramp is
* generated from NonpositiveMin() to max() of the pixel type.
*/
void UseGrayColors(unsigned int n=256);
void UseHeatColors(unsigned int n=256);
void UseRandomColors(unsigned int n=256);
/** Badly named methods that require renaming and documentation. */
void useDiscrete(void){UseDiscreteColors();};
void useGray(unsigned int n=256){UseGrayColors(n);}
void useHeat(unsigned int n=256){UseHeatColors(n);}
itkGetMacro(NumberOfColors, unsigned int);
unsigned int size(void);
RGBPixel<TPixel>* GetColor(unsigned int colorId);
RGBPixel<TPixel>* color(unsigned int c);
bool SetColor(unsigned int c, TPixel r, TPixel g, TPixel b,
const char * name="UserDefined");
/** Given the position in the table and the color
* returns the value. \todo Needs renaming. */
TPixel GetColorComponent(unsigned int colorId, char rgb);
TPixel color(unsigned int c, char rgb);
char * GetColorName(unsigned int colorId);
char * colorName(unsigned int c);
unsigned int GetClosestColorTableId(TPixel r, TPixel g, TPixel b);
protected:
ColorTable();
void PrintSelf(std::ostream & os, Indent indent) const;
virtual ~ColorTable();
unsigned int m_NumberOfColors;
RGBPixel<TPixel> * m_Color;
char ** m_ColorName;
private:
ColorTable(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
void DeleteColors();
};
}// namespace itk
// Define instantiation macro for this template.
#define ITK_TEMPLATE_ColorTable(_, EXPORT, x, y) namespace itk { \
_(1(class EXPORT ColorTable< ITK_TEMPLATE_1 x >)) \
namespace Templates { typedef ColorTable< ITK_TEMPLATE_1 x > \
ColorTable##y; } \
}
#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkColorTable+-.h"
#endif
#if ITK_TEMPLATE_TXX
# include "itkColorTable.txx"
#endif
#endif
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