1 /*========================================================================= 2 * 3 * Copyright Insight Software Consortium 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0.txt 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 *=========================================================================*/ 18 #ifndef itkAutumnColormapFunction_hxx 19 #define itkAutumnColormapFunction_hxx 20 21 #include "itkAutumnColormapFunction.h" 22 23 namespace itk 24 { 25 namespace Function 26 { 27 template< typename TScalar, typename TRGBPixel > 28 typename AutumnColormapFunction< TScalar, TRGBPixel >::RGBPixelType 29 AutumnColormapFunction< TScalar, TRGBPixel > operator ()(const TScalar & v) const30::operator()(const TScalar & v) const 31 { 32 // Map the input scalar between [0, 1]. 33 RealType value = this->RescaleInputValue(v); 34 35 // Apply the color mapping. 36 RealType red = 1.0; 37 38 RealType green = value; 39 40 RealType blue = 0.0; 41 42 // Set the rgb components after rescaling the values. 43 RGBPixelType pixel; 44 NumericTraits<TRGBPixel>::SetLength(pixel, 3); 45 46 pixel[0] = this->RescaleRGBComponentValue(red); 47 pixel[1] = this->RescaleRGBComponentValue(green); 48 pixel[2] = this->RescaleRGBComponentValue(blue); 49 50 return pixel; 51 } 52 } // end namespace Function 53 } // end namespace itk 54 55 #endif 56