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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkColorTable.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:34 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#ifndef _itkColorTable_txx |
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#define _itkColorTable_txx |
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#include "itkColorTable.h" |
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#include "vnl/vnl_sample.h" |
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#include <stdio.h> |
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namespace itk |
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{ |
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template<class TPixel> |
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ColorTable<TPixel> |
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::ColorTable() |
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{ |
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m_NumberOfColors = 0; |
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m_Color = NULL; |
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m_ColorName = NULL; |
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} |
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template<class TPixel> |
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ColorTable<TPixel> |
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::~ColorTable() |
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**{ |
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this->DeleteColors(); |
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**} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::DeleteColors() |
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{ |
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if(m_Color != NULL) |
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{ |
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delete [] m_Color; |
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} |
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m_Color = NULL; |
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if(m_ColorName != NULL) |
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{ |
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unsigned int i; |
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for(i=0; i < m_NumberOfColors; i++) |
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{ |
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delete [] m_ColorName[i]; |
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} |
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delete [] m_ColorName; |
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} |
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m_ColorName = NULL; |
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} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::PrintSelf(std::ostream & os, Indent indent) const |
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**{ |
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Superclass::PrintSelf(os, indent); |
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os << indent << "m_NumberOfColors = " << m_NumberOfColors << std::endl; |
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os << indent << "m_Color = " << m_Color << std::endl; |
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for (unsigned int i = 0; i < m_NumberOfColors; i++) |
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{ |
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os << indent << "m_ColorName[" << i << "] = " << m_ColorName[i] << std::endl; |
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} |
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**} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::UseDiscreteColors(void) |
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**{ |
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this->DeleteColors(); |
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m_NumberOfColors = 8; |
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m_Color = new RGBPixel<TPixel>[m_NumberOfColors]; |
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m_ColorName = new char*[m_NumberOfColors]; |
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for(unsigned int i=0; i<m_NumberOfColors; i++) |
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{ |
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m_ColorName[i] = new char [80]; |
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} |
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m_Color[0].Set((TPixel)0.9,(TPixel)0.0,(TPixel)0.0); |
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sprintf(m_ColorName[0], "Red"); |
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m_Color[1].Set((TPixel)0.8,(TPixel)0.0,(TPixel)0.8); |
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sprintf(m_ColorName[1], "Purple"); |
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m_Color[2].Set((TPixel)0.0,(TPixel)0.8,(TPixel)0.8); |
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sprintf(m_ColorName[2], "Aqua"); |
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m_Color[3].Set((TPixel)0.8,(TPixel)0.8,(TPixel)0.0); |
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sprintf(m_ColorName[3], "Yellow"); |
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m_Color[4].Set((TPixel)0.0,(TPixel)0.9,(TPixel)0.0); |
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sprintf(m_ColorName[4], "Green"); |
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m_Color[5].Set((TPixel)0.0,(TPixel)0.0,(TPixel)0.9); |
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sprintf(m_ColorName[5], "Blue"); |
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m_Color[6].Set((TPixel)0.7,(TPixel)0.7,(TPixel)0.7); |
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sprintf(m_ColorName[6], "Grey0.70"); |
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m_Color[7].Set((TPixel)1.0,(TPixel)1.0,(TPixel)1.8); |
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sprintf(m_ColorName[7], "White"); |
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**} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::UseGrayColors(unsigned int n) |
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{ |
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unsigned int i; |
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this->DeleteColors(); |
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m_NumberOfColors = n; |
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m_Color = new RGBPixel<TPixel>[m_NumberOfColors]; |
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m_ColorName = new char * [m_NumberOfColors]; |
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for(i=0; i<m_NumberOfColors; i++) |
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{ |
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m_ColorName[i] = new char [80]; |
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} |
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typename NumericTraits<TPixel>::RealType range = |
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****NumericTraits<TPixel>::max() - NumericTraits<TPixel>::NonpositiveMin(); |
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typename NumericTraits<TPixel>::RealType delta = range / (n - 1); |
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TPixel gray; |
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for(i=0; i<n; i++) |
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{ |
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gray = NumericTraits<TPixel>::NonpositiveMin() |
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******+ static_cast<TPixel>(i * delta); |
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m_Color[i].Set(gray, gray, gray); |
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sprintf(m_ColorName[i], "Gray%.02f", static_cast<float>(gray)); |
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} |
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**} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::UseHeatColors(unsigned int n) |
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{ |
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unsigned int i; |
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this->DeleteColors(); |
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m_NumberOfColors = n; |
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m_Color = new RGBPixel<TPixel>[m_NumberOfColors]; |
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m_ColorName = new char * [m_NumberOfColors]; |
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for(i=0; i<m_NumberOfColors; i++) |
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{ |
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m_ColorName[i] = new char [80]; |
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} |
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for(i=0; i<n/2.0; i++) |
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{ |
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m_Color[i].SetRed( (i+1)/(TPixel)(n/2.0+1) ); |
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m_Color[i].SetGreen( 0 ); |
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m_Color[i].SetBlue ( 0 ); |
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sprintf(m_ColorName[i], "Heat%.02f", i/(float)n); |
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} |
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for(i=0; i<n/2; i++) |
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{ |
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m_Color[(int)(i+n/2.0)].SetRed(static_cast<TPixel>(1)); |
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m_Color[(int)(i+n/2.0)].SetGreen((i+1)/(TPixel)(n/2.0+1)); |
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m_Color[(int)(i+n/2.0)].SetBlue((i+1)/(TPixel)(n/2.0+1)); |
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sprintf(m_ColorName[(int)(i+n/2.0)], "Heat%.02f", (i+n/2.0)/(float)n); |
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} |
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**} |
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template<class TPixel> |
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void |
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ColorTable<TPixel> |
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::UseRandomColors(unsigned int n) |
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{ |
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unsigned int i; |
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this->DeleteColors(); |
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m_NumberOfColors = n; |
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m_Color = new RGBPixel<TPixel>[m_NumberOfColors]; |
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m_ColorName = new char * [m_NumberOfColors]; |
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for(i=0; i<m_NumberOfColors; i++) |
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{ |
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m_ColorName[i] = new char [80]; |
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} |
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TPixel r, g, b; |
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for(i=0; i<n; i++) |
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{ |
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r = static_cast<TPixel>(vnl_sample_uniform(NumericTraits<TPixel>::NonpositiveMin(), NumericTraits<TPixel>::max())); |
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m_Color[i].SetRed( r ); |
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g = static_cast<TPixel>(vnl_sample_uniform(NumericTraits<TPixel>::NonpositiveMin(), NumericTraits<TPixel>::max())); |
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m_Color[i].SetGreen( g ); |
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b = static_cast<TPixel>(vnl_sample_uniform(NumericTraits<TPixel>::NonpositiveMin(), NumericTraits<TPixel>::max())); |
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m_Color[i].SetBlue( b ); |
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sprintf(m_ColorName[i], "Random(%.02f,%.02f,%.02f)", |
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************static_cast<float>(r), |
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************static_cast<float>(g), |
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************static_cast<float>(b)); |
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} |
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**} |
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template<class TPixel> |
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unsigned int |
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ColorTable<TPixel> |
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::size(void) |
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**{ |
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itkWarningMacro(<< "Call to itkColorTable.size() is being depreciated. " \ |
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<< "Use itkColorTable.GetNumberOfColors() instead."); |
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return m_NumberOfColors; |
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**} |
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template<class TPixel> |
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bool |
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ColorTable<TPixel> |
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::SetColor(unsigned int c, TPixel r, TPixel g, TPixel b, const char *name) |
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**{ |
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if(c < m_NumberOfColors) |
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{ |
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m_Color[c].SetRed( r ); |
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m_Color[c].SetGreen( g ); |
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m_Color[c].SetBlue ( b ); |
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strcpy(m_ColorName[c], name); |
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return true; |
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} |
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return false; |
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**} |
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template<class TPixel> |
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RGBPixel<TPixel> * |
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ColorTable<TPixel> |
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::GetColor(unsigned int c) |
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**{ |
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if(c < m_NumberOfColors) |
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{ |
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return & m_Color[c]; |
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} |
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else |
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{ |
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return NULL; |
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} |
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**} |
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template<class TPixel> |
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RGBPixel<TPixel>* |
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ColorTable<TPixel> |
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::color(unsigned int c) |
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**{ |
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itkWarningMacro(<< "Call to itkColorTable.color(unsigned int colorID) " \ |
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<< "is being depreciated. " \ |
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<< "Use itkColorTable.GetColor(unsigned int colorID) instead."); |
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return this->GetColor(c); |
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**} |
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template<class TPixel> |
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TPixel |
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ColorTable<TPixel> |
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::GetColorComponent(unsigned int c, char rgb) |
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**{ |
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if(c < m_NumberOfColors) |
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{ |
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switch(rgb) |
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{ |
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case 'r' : |
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{ |
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return m_Color[c].GetRed(); |
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} |
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case 'g' : |
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{ |
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return m_Color[c].GetGreen(); |
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} |
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case 'b' : |
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{ |
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return m_Color[c].GetBlue(); |
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} |
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default: |
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{ |
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return 0; |
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} |
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} |
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} |
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else |
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{ |
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return 0; |
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} |
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**} |
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template<class TPixel> |
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TPixel |
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ColorTable<TPixel> |
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::color(unsigned int c, char rgb) |
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**{ |
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itkWarningMacro(<< "Call to itkColorTable.color(unsigned int colorID, char rgb) " \ |
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<< "is being depreciated. " \ |
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<< "Use itkColorTable.GetColorComponent(unsigned int colorID, char rgb) instead."); |
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return this->GetColorComponent(c, rgb); |
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**} |
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template<class TPixel> |
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char * |
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ColorTable<TPixel> |
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::GetColorName(unsigned int c) |
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**{ |
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if(c<m_NumberOfColors) |
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{ |
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return m_ColorName[c]; |
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} |
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else |
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{ |
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return NULL; |
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} |
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**} |
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template<class TPixel> |
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char * |
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ColorTable<TPixel> |
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::colorName(unsigned int c) |
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**{ |
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itkWarningMacro(<< "Call to itkColorTable.colorName(unsigned int colorID) " \ |
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<< "is being depreciated. " \ |
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<< "Use itkColorTable.GetColorName(unsigned int colorID) instead."); |
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return this->GetColorName(c); |
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**} |
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template<class TPixel> |
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unsigned int |
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ColorTable<TPixel> |
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::GetClosestColorTableId(TPixel r, TPixel g, TPixel b) |
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**{ |
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double match; |
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double bestMatch = 0; |
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unsigned int bestMatchColor = 0; |
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for(unsigned int i=0; i<m_NumberOfColors; i++) |
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{ |
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match = (r - (double)m_Color[i].GetRed()) |
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************* (r - (double)m_Color[i].GetRed()); |
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match += (g - (double)m_Color[i].GetGreen()) |
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************* (g - (double)m_Color[i].GetGreen()); |
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match += (b - (double)m_Color[i].GetGreen()) |
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************* (b - (double)m_Color[i].GetBlue()); |
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if(i == 0 || match < bestMatch) |
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{ |
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bestMatch = match; |
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bestMatchColor = i; |
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} |
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} |
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return bestMatchColor; |
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**} |
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} // namespace itk |
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#endif |
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