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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 <algorithm>
#include <iostream>
#include <set>
#include <QImageReader>
#include <QImageWriter>
#include "CommandImageFormatConvert.h"
#include "FileFilters.h"
#include "ImageFile.h"
#include "ProgramParameters.h"
#include "ScriptBuilderParameters.h"
/**
* constructor.
*/
CommandImageFormatConvert::CommandImageFormatConvert()
: CommandBase("-image-format-convert",
"IMAGE FORMAT CONVERT")
{
}
/**
* destructor.
*/
CommandImageFormatConvert::~CommandImageFormatConvert()
{
}
/**
* get the script builder parameters.
*/
void
CommandImageFormatConvert::getScriptBuilderParameters(ScriptBuilderParameters& paramsOut) const
{
QStringList fileFilters, fileExtensions;
FileFilters::getImageSaveFileFilters(fileFilters,
fileExtensions);
paramsOut.clear();
paramsOut.addFile("Input Image File Name", fileFilters);
paramsOut.addFile("Output Image File Name", fileFilters);
}
/**
* get full help information.
*/
QString
CommandImageFormatConvert::getHelpInformation() const
{
QString helpInfo =
(indent3 + getShortDescription() + "\n"
+ indent6 + parameters->getProgramNameWithoutPath() + " " + getOperationSwitch() + " \n"
+ indent9 + "<input-image-file-name> \n"
+ indent9 + "<output-image-file-name> \n"
+ indent9 + "\n"
+ indent9 + "Convert an image to a different image format. This \n"
+ indent9 + "program determines the format of an image by the file \n"
+ indent9 + "name's extension.\n"
+ indent9 + "\n"
+ getSupportedImageFormatInformation(9)
+ indent9 + "\n");
return helpInfo;
}
/**
* get text displaying supported formats for use by getHelpInformation().
*/
QString
CommandImageFormatConvert::getSupportedImageFormatInformation(const int indentation)
{
//
// Length of longest format name
//
int maxFormatLength = 0;
//
// Get formats writter
//
QList<QByteArray> writeByteArrayList = QImageWriter::supportedImageFormats();
std::vector<QString> writeFormatList;
QListIterator<QByteArray> writeByteArrayListIterator(writeByteArrayList);
while (writeByteArrayListIterator.hasNext()) {
const QString format(writeByteArrayListIterator.next());
writeFormatList.push_back(format);
maxFormatLength = std::max(maxFormatLength, format.length());
}
//
// Get formats read
//
QList<QByteArray> readByteArrayList = QImageReader::supportedImageFormats();
std::vector<QString> readFormatList;
QListIterator<QByteArray> readByteArrayListIterator(readByteArrayList);
while (readByteArrayListIterator.hasNext()) {
const QString format(readByteArrayListIterator.next());
readFormatList.push_back(format);
maxFormatLength = std::max(maxFormatLength, format.length());
}
//
// Get a set of all formats
//
std::set<QString> allFormats;
allFormats.insert(readFormatList.begin(), readFormatList.end());
allFormats.insert(writeFormatList.begin(), writeFormatList.end());
//
// Get read and write formats
//
const QString indentString(indentation, ' ');
const QString indentString3(indentString + " ");
QString formatStringOut;
formatStringOut += (indentString
+ "Supported Image Formats\n");
for (std::set<QString>::const_iterator iter = allFormats.begin();
iter != allFormats.end();
iter++) {
const QString formatName(*iter);
const bool readFlag =
(std::find(readFormatList.begin(), readFormatList.end(), formatName) !=
readFormatList.end());
const bool writeFlag =
(std::find(writeFormatList.begin(), writeFormatList.end(), formatName) !=
writeFormatList.end());
QString s(formatName.leftJustified(maxFormatLength + 2, ' '));
if (readFlag) {
s += "READ ";
}
else {
s += " ";
}
if (writeFlag) {
s += "WRITE ";
}
else {
s += " ";
}
s += "\n";
formatStringOut += (indentString3 + s);
}
return formatStringOut;
}
/**
* execute the command.
*/
void
CommandImageFormatConvert::executeCommand() throw (BrainModelAlgorithmException,
CommandException,
FileException,
ProgramParametersException,
StatisticException)
{
//
// Get the parameters
//
const QString inputImageFileName =
parameters->getNextParameterAsString("Input Image File Name");
const QString outputImageFileName =
parameters->getNextParameterAsString("Output Image File Name");
checkForExcessiveParameters();
//
// Read the image
//
ImageFile imageFile;
imageFile.readFile(inputImageFileName);
//
// Write the image
//
imageFile.writeFile(outputImageFileName);
}
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