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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 <QFont>
#include <QImage>
#include <QPainter>
#include <QPen>
#include "CommandImageInsertText.h"
#include "FileFilters.h"
#include "ProgramParameters.h"
#include "ScriptBuilderParameters.h"
/**
* constructor.
*/
CommandImageInsertText::CommandImageInsertText()
: CommandBase("-image-insert-text",
"IMAGE INSERT TEXT")
{
}
/**
* destructor.
*/
CommandImageInsertText::~CommandImageInsertText()
{
}
/**
* get the script builder parameters.
*/
void
CommandImageInsertText::getScriptBuilderParameters(ScriptBuilderParameters& paramsOut) const
{
paramsOut.clear();
paramsOut.addFile("Input Image File Name",
FileFilters::getImageOpenFileFilter());
paramsOut.addFile("Output Image File Name",
FileFilters::getImageSaveFileFilter());
paramsOut.addInt("Text X Position", 20);
paramsOut.addInt("Text Y Position", 20);
paramsOut.addString("Text");
}
/**
* get full help information.
*/
QString
CommandImageInsertText::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 + "<text-x-position> <text-y-position>\n"
+ indent9 + "<text-red> <text-green> <text-blue>\n"
+ indent9 + "<text>\n"
+ indent9 + "\n"
+ indent9 + "Place the text into an image at the specified location.\n"
+ indent9 + "The origin is at the bottom left corner of the image.\n"
+ indent9 + "\n"
+ indent9 + "The red, green, and blue color components for the text\n"
+ indent9 + "range from 0 to 255.\n"
+ indent9 + "\n");
return helpInfo;
}
/**
* execute the command.
*/
void
CommandImageInsertText::executeCommand() throw (BrainModelAlgorithmException,
CommandException,
FileException,
ProgramParametersException,
StatisticException)
{
//
// Read the parameters
//
const QString inputImageFileName =
parameters->getNextParameterAsString("Input Image File Name");
const QString outputImageFileName =
parameters->getNextParameterAsString("Output Image File Name");
const int textPositionX =
parameters->getNextParameterAsInt("Text X Position");
const int textPositionY =
parameters->getNextParameterAsInt("Text Y Position");
const int textRed =
parameters->getNextParameterAsInt("Text Red");
const int textGreen =
parameters->getNextParameterAsInt("Text Green");
const int textBlue =
parameters->getNextParameterAsInt("Text Blue");
const QString theText =
parameters->getNextParameterAsString("Text");
//
// Read the image
//
QImage image;
if (image.load(inputImageFileName) == false) {
throw CommandException("ERROR reading: " + inputImageFileName);
}
//
// Create a painter and add the text
//
QPen pen(QColor(textRed, textGreen, textBlue));
QPainter painter(&image);
painter.setPen(pen);
QFont font;
font.setBold(true);
font.setPointSize(16);
painter.setFont(font);
painter.drawText(textPositionX,
image.size().height() - textPositionY,
theText);
//
// Save the image
//
if (image.save(outputImageFileName, 0, 100) == false) {
throw CommandException("ERROR writing: " + inputImageFileName);
}
}
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