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/*LICENSE_START*/
/*
* Copyright 1995-2002 Washington University School of Medicine
*
* http://brainmap.wustl.edu
*
* This file is part of CARET.
*
* CARET is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CARET is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CARET; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*LICENSE_END*/
#include <iostream>
#include "CommandImageCompare.h"
#include "FileFilters.h"
#include "FileUtilities.h"
#include "ImageFile.h"
#include "ProgramParameters.h"
#include "ScriptBuilderParameters.h"
/**
* constructor.
*/
CommandImageCompare::CommandImageCompare()
: CommandBase("-image-compare",
"IMAGE COMPARE")
{
}
/**
* destructor.
*/
CommandImageCompare::~CommandImageCompare()
{
}
/**
* get the script builder parameters.
*/
void
CommandImageCompare::getScriptBuilderParameters(ScriptBuilderParameters& paramsOut) const
{
QStringList fileFilters, fileExtensions;
FileFilters::getImageSaveFileFilters(fileFilters,
fileExtensions);
paramsOut.clear();
paramsOut.addFile("Image File Name 1", fileFilters);
paramsOut.addFile("Image File Name 2", fileFilters);
paramsOut.addVariableListOfParameters("Options");
}
/**
* get full help information.
*/
QString
CommandImageCompare::getHelpInformation() const
{
QString helpInfo =
(indent3 + getShortDescription() + "\n"
+ indent6 + parameters->getProgramNameWithoutPath() + " " + getOperationSwitch() + " \n"
+ indent9 + "<image-file-name-1> \n"
+ indent9 + "<image-file-name-2> \n"
+ indent9 + "[-tol pixel-tolerance] \n"
+ indent9 + "\n"
+ indent9 + "Compare two image files to determine if the pixels are\n"
+ indent9 + "different. The default value for \"pixel-tolerance\" \n"
+ indent9 + "is zero, in which cse the pixels must match exactly.\n"
+ indent9 + "\n");
return helpInfo;
}
/**
* execute the command.
*/
void
CommandImageCompare::executeCommand() throw (BrainModelAlgorithmException,
CommandException,
FileException,
ProgramParametersException,
StatisticException)
{
//
// Get the parameters
//
const QString imageFileName1 =
parameters->getNextParameterAsString("Image File Name 1");
const QString imageFileName2 =
parameters->getNextParameterAsString("Image File Name 2");
float pixelTolerance = 0.0;
while (parameters->getParametersAvailable()) {
const QString paramName =
parameters->getNextParameterAsString("Optional parameter");
if (paramName == "-tol") {
pixelTolerance = parameters->getNextParameterAsFloat("Pixel Tolerance");
}
else {
throw CommandException("Unrecognized parameter = \""
+ paramName
+ "\".");
}
}
//
// Make sure that are no more parameters
//
checkForExcessiveParameters();
//
// Read the images
//
ImageFile imageFile1, imageFile2;
imageFile1.readFile(imageFileName1);
imageFile2.readFile(imageFileName2);
//
// Compare the images
//
QString comparisonMessage;
const bool theSame = imageFile1.compareFileForUnitTesting(&imageFile2,
pixelTolerance,
comparisonMessage);
std::cout << "IMAGE COMPARISON for "
<< FileUtilities::basename(imageFileName1).toAscii().constData()
<< " and "
<< FileUtilities::basename(imageFileName2).toAscii().constData()
<< " ";
if (theSame) {
std::cout << "successful." << std::endl;
}
else {
std::cout << "FAILED." << std::endl;
std::cout << " " << comparisonMessage.toAscii().constData() << std::endl;
throw CommandException("");
}
}
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