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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRGBPixelTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkRGBPixel.h"
int itkRGBPixelTest(int, char* [] )
{
// Test it all
float val[3] = {1, 0, .5};
itk::RGBPixel<float> pixel(val);
unsigned char pixelInit0[3] = {255, 255, 255};
unsigned char pixelInit1[3] = {255, 255, 244};
itk::RGBPixel<unsigned char> pixelArray[2];
pixelArray[0] = pixelInit0;
pixelArray[1] = pixelInit1;
std::cout << "sizeof(pixel) = " << sizeof (pixel) << std::endl;
if (sizeof(pixel) != 3 * sizeof(itk::RGBPixel<float>::ComponentType))
{
std::cerr << "ERROR: sizeof(pixel) == " << sizeof(pixel) << " but is shopuld be " << 3 * sizeof(itk::RGBPixel<float>::ComponentType) << std::endl;
return EXIT_FAILURE;
}
std::cout << "pixel.GetNumberOfComponents = " << pixel.GetNumberOfComponents() << std::endl;
std::cout << "pixel.GetScalarValue() = " << pixel.GetScalarValue() << std::endl;
std::cout << "pixel.GetNthComponent()" << std::endl;
for (unsigned int i = 0; i < pixel.GetNumberOfComponents(); i++)
{
std::cout << "\tpixel[" << i << "] = " << pixel.GetNthComponent(i) << std::endl;
}
pixel.SetRed (11.0); pixel.SetGreen (22.0); pixel.SetBlue (33.0);
std::cout << "pixel.SetRed (11.0); pixel.SetGreen (22.0); pixel.SetBlue (33.0);" << std::endl;
for (unsigned int i = 0; i < pixel.GetNumberOfComponents(); i++)
{
std::cout << "\tpixel[" << i << "] = " << pixel.GetNthComponent(i) << std::endl;
}
std::cout << "pixel.GetRed() = " << pixel.GetRed() << std::endl;
std::cout << "pixel.GetGreen() = " << pixel.GetGreen() << std::endl;
std::cout << "pixel.GetBlue() = " << pixel.GetBlue() << std::endl;
std::cout << "pixel[0] = 111; pixel[1] = 222; pixel[2] = 333;" << std::endl;
pixel[0] = 111; pixel[1] = 222; pixel[2] = 333;
for (unsigned int i = 0; i < pixel.GetNumberOfComponents(); i++)
{
std::cout << "\tpixel[" << i << "] = " << pixel.GetNthComponent(i) << std::endl;
}
std::cout << "std::cout << pixel << std::endl;" << std::endl;
std::cout << "\t" << pixel << std::endl;
for (unsigned int j = 0; j < 2; j++)
{
std::cout << "pixelArray["<< j << "].GetNumberOfComponents = " << pixelArray[j].GetNumberOfComponents() << std::endl;
std::cout << "pixelArray[" << j << "].GetScalarValue() = " << static_cast<int>(pixelArray[j].GetScalarValue()) << std::endl;
std::cout << "pixelArray[" << j << "].GetNthComponent()" << std::endl;
for (unsigned int i = 0; i < pixelArray[j].GetNumberOfComponents(); i++)
{
std::cout << "\tpixelArray[" << j << "].GetNthComponent(" << i << ") = " << static_cast<int>(pixelArray[j].GetNthComponent(i)) << std::endl;
}
}
std::cout << "Testing arithmetic methods" << std::endl;
itk::RGBPixel< float > pa;
itk::RGBPixel< float > pb;
pa[0] = 1.25;
pa[1] = 3.25;
pa[2] = 5.25;
pb[0] = 1.55;
pb[1] = 3.55;
pb[2] = 5.55;
itk::RGBPixel< float > pc;
pc = pa + pb;
std::cout << "addition = " << pc << std::endl;
pc = pa - pb;
std::cout << "subtraction = " << pc << std::endl;
pc += pb;
std::cout << "in-place addition = " << pc << std::endl;
pc -= pb;
std::cout << "in-place subtraction = " << pc << std::endl;
pc = pa * 3.2;
std::cout << "product by scalar = " << pc << std::endl;
std::cout << "Test luminance conversion" << std::endl;
itk::RGBPixel< float > rgbl;
rgbl[0] = 100;
rgbl[1] = 150;
rgbl[2] = 120;
const float luminance = rgbl.GetLuminance();
const float realLuminance = rgbl[0] * 0.30 +
rgbl[1] * 0.59 +
rgbl[2] * 0.11;
const float tolerance = 1e-4;
if( vcl_fabs( luminance - realLuminance ) > tolerance )
{
std::cerr << "Error in luminance conversion" << std::endl;
return EXIT_FAILURE;
}
itk::RGBPixel< float > rgbBase;
rgbBase[0] = 100;
rgbBase[1] = 150;
rgbBase[2] = 120;
itk::RGBPixel< float > rgbEqual;
rgbEqual[0] = 100;
rgbEqual[1] = 150;
rgbEqual[2] = 120;
if( !(rgbBase == rgbEqual) )
{
std::cerr << "Error in test for equality" << std::endl;
return EXIT_FAILURE;
}
itk::RGBPixel< float > rgbLess;
rgbLess[0] = 99;
rgbLess[1] = 149;
rgbLess[2] = 119;
if( !(rgbLess < rgbBase) )
{
std::cerr << "Error in test for less than" << std::endl;
return EXIT_FAILURE;
}
if( rgbBase < rgbEqual )
{
std::cerr << "Error in test for (not) less than" << std::endl;
return EXIT_FAILURE;
}
if( rgbBase == rgbLess )
{
std::cerr << "Error in test for (not) equal" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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