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fino2edf.cpp
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fino2edf.cpp
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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Teunis van Beelen
*
*
***************************************************************************
*
* This program 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 version 2 of the License.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
***************************************************************************
*
* This version of GPL is at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*
***************************************************************************
*/
#include "fino2edf.h"
#if defined(__APPLE__) || defined(__MACH__) || defined(__APPLE_CC__)
#define fopeno fopen
#else
#define fseeko fseeko64
#define ftello ftello64
#define fopeno fopen64
#endif
UI_FINO2EDFwindow::UI_FINO2EDFwindow(char *recent_dir, char *save_dir)
{
recent_opendir = recent_dir;
recent_savedir = save_dir;
myobjectDialog = new QDialog;
myobjectDialog->setMinimumSize(QSize(600, 240));
myobjectDialog->setMaximumSize(QSize(600, 240));
myobjectDialog->setWindowTitle("Finometer to EDF converter");
myobjectDialog->setModal(TRUE);
myobjectDialog->setAttribute(Qt::WA_DeleteOnClose, TRUE);
PatientnameLabel = new QLabel(myobjectDialog);
PatientnameLabel->setGeometry(QRect(20, 20, 140, 16));
PatientnameLabel->setText("Subject name");
RecordingLabel = new QLabel(myobjectDialog);
RecordingLabel->setGeometry(QRect(20, 50, 140, 16));
RecordingLabel->setText("Recording");
DatetimeLabel = new QLabel(myobjectDialog);
DatetimeLabel->setGeometry(QRect(20, 80, 140, 16));
DatetimeLabel->setText("Startdate and time");
PatientnameLineEdit = new QLineEdit(myobjectDialog);
PatientnameLineEdit->setGeometry(QRect(160, 20, 420, 21));
PatientnameLineEdit->setMaxLength(80);
RecordingLineEdit = new QLineEdit(myobjectDialog);
RecordingLineEdit->setGeometry(QRect(160, 50, 420, 21));
RecordingLineEdit->setMaxLength(80);
RecordingLineEdit->setText("Finometer");
StartDatetimeedit = new QDateTimeEdit(myobjectDialog);
StartDatetimeedit->setGeometry(QRect(160, 80, 140, 22));
StartDatetimeedit->setDisplayFormat("dd/MM/yyyy hh:mm:ss");
StartDatetimeedit->setDateTime(QDateTime::currentDateTime());
pushButton1 = new QPushButton(myobjectDialog);
pushButton1->setGeometry(QRect(20, 190, 100, 26));
pushButton1->setText("Select File");
pushButton2 = new QPushButton(myobjectDialog);
pushButton2->setGeometry(QRect(480, 190, 100, 26));
pushButton2->setText("Close");
QObject::connect(pushButton1, SIGNAL(clicked()), this, SLOT(SelectFileButton()));
QObject::connect(pushButton2, SIGNAL(clicked()), myobjectDialog, SLOT(close()));
myobjectDialog->exec();
}
void UI_FINO2EDFwindow::SelectFileButton()
{
FILE *inputfile=NULL,
*outputfile=NULL;
int i, j, k, p,
temp,
separator=';',
edfsignals=0,
ok,
timestep,
new_smpl_time=0,
datarecords,
str_start,
column,
line_nr;
char txt_string[2048],
path[512],
outputfilename[MAX_PATH_LENGTH],
line[2048],
scratchpad[128],
labels[MAX_SIGNALS][17],
phys_dim[MAX_SIGNALS][9],
phys_min[MAX_SIGNALS][9],
phys_max[MAX_SIGNALS][9],
patientname[81],
recording[81],
datetime[17];
double sensitivity[MAX_SIGNALS],
new_value[MAX_SIGNALS],
old_value[MAX_SIGNALS];
union{
short two;
char one[2];
} var;
for(j=0; j<MAX_SIGNALS; j++)
{
old_value[j] = 0.0;
}
enable_widgets(FALSE);
if(!(strlen(PatientnameLineEdit->text().toLatin1().data())))
{
QMessageBox messagewindow(QMessageBox::Critical, "Invalid input", "Please enter a subjectname.");
messagewindow.exec();
enable_widgets(TRUE);
return;
}
if(!(strlen(RecordingLineEdit->text().toLatin1().data())))
{
QMessageBox messagewindow(QMessageBox::Critical, "Invalid input", "Please enter a recordingdescription.");
messagewindow.exec();
enable_widgets(TRUE);
return;
}
strcpy(path, QFileDialog::getOpenFileName(0, "Select inputfile", QString::fromLocal8Bit(recent_opendir), "Text files (*.txt *.TXT)").toLocal8Bit().data());
if(!strcmp(path, ""))
{
enable_widgets(TRUE);
return;
}
get_directory_from_path(recent_opendir, path, MAX_PATH_LENGTH);
inputfile = fopeno(path, "rb");
if(inputfile==NULL)
{
snprintf(txt_string, 2048, "Can not open file %s for reading.", path);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
enable_widgets(TRUE);
return;
}
/***************** check if the txtfile is valid ******************************/
rewind(inputfile);
if(fread(scratchpad, 5, 1, inputfile)!=1)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "An error occurred while reading the inputfile.");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
if(strncmp(scratchpad, "\"T\";", 4))
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Unknown data in file (1).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
while(1)
{
temp = fgetc(inputfile);
if(temp==EOF)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Reached end of file unexpectedly (2).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
if(temp=='\n') break;
}
if(fread(scratchpad, 2, 1, inputfile)!=1)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "An error occurred while reading inputfile (3).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
if(strncmp(scratchpad, "\"s\";", 4))
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Unknown data in file (4).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
/***************** collect items *****************************************/
rewind(inputfile);
while(1)
{
temp = fgetc(inputfile);
if(temp==EOF)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Reached end of file unexpectedly (5).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
if(temp==separator)
{
break;
}
}
i = 0;
while(temp!='\n')
{
temp = fgetc(inputfile);
if(temp==EOF)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Reached end of file unexpectedly (6).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
if(temp=='\r')
{
continue;
}
if((temp==separator)||(temp=='\n'))
{
if(edfsignals>=MAX_SIGNALS)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Too many labels/signals (7).");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
line[i] = 0;
ok = 0;
if(!strcmp(line, "\" reSYS\""))
{
strcpy(labels[edfsignals], "reSYS ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" fiSYS\""))
{
strcpy(labels[edfsignals], "fiSYS ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" reDIA\""))
{
strcpy(labels[edfsignals], "reDIA ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" fiDIA\""))
{
strcpy(labels[edfsignals], "fiDIA ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" reMAP\""))
{
strcpy(labels[edfsignals], "reMAP ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" fiMAP\""))
{
strcpy(labels[edfsignals], "fiMAP ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" HR\""))
{
strcpy(labels[edfsignals], "HR ");
strcpy(phys_dim[edfsignals], "bpm ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" IBI\""))
{
strcpy(labels[edfsignals], "IBI ");
strcpy(phys_dim[edfsignals], "s ");
strcpy(phys_min[edfsignals], "-31.744 ");
strcpy(phys_max[edfsignals], "31.744 ");
sensitivity[edfsignals] = 1000.0;
ok = 1;
}
if(!strcmp(line, "\" SV\""))
{
strcpy(labels[edfsignals], "SV ");
strcpy(phys_dim[edfsignals], "ml ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" CO\""))
{
strcpy(labels[edfsignals], "CO ");
strcpy(phys_dim[edfsignals], "lpm ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" EJT\""))
{
strcpy(labels[edfsignals], "EJT ");
strcpy(phys_dim[edfsignals], "s ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" TPR\""))
{
strcpy(labels[edfsignals], "TPR ");
strcpy(phys_dim[edfsignals], "MU ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" Artifact\""))
{
strcpy(labels[edfsignals], "Artifact ");
strcpy(phys_dim[edfsignals], "_TPSROD2");
strcpy(phys_min[edfsignals], "0 ");
strcpy(phys_max[edfsignals], "10000000");
sensitivity[edfsignals] = 0.0063488;
ok = 1;
}
if(!strcmp(line, "\" Zao\""))
{
strcpy(labels[edfsignals], "Zao ");
strcpy(phys_dim[edfsignals], "mMU ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" Cwk\""))
{
strcpy(labels[edfsignals], "Cwk ");
strcpy(phys_dim[edfsignals], "MU ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!strcmp(line, "\" Height\""))
{
strcpy(labels[edfsignals], "Height ");
strcpy(phys_dim[edfsignals], "mmHg ");
strcpy(phys_min[edfsignals], "-1024 ");
strcpy(phys_max[edfsignals], "1024 ");
sensitivity[edfsignals] = 31.0;
ok = 1;
}
if(!ok)
{
snprintf(txt_string, 2048, "Found unknown label/signal: %s", line);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
edfsignals++;
i = 0;
}
if(temp==separator)
{
continue;
}
line[i++] = temp;
}
if(!edfsignals)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "There are no labels/signals.");
messagewindow.exec();
fclose(inputfile);
enable_widgets(TRUE);
return;
}
p = sprintf(patientname, "%s", PatientnameLineEdit->text().toLatin1().data());
latin1_to_ascii(patientname, p);
for( ; p<80; p++)
{
patientname[p] = ' ';
}
patientname[80] = 0;
p = sprintf(recording, "%s", RecordingLineEdit->text().toLatin1().data());
latin1_to_ascii(recording, p);
for( ; p<80; p++)
{
recording[p] = ' ';
}
recording[80] = 0;
sprintf(datetime,
"%02i.%02i.%02i%02i.%02i.%02i",
StartDatetimeedit->date().day(),
StartDatetimeedit->date().month(),
StartDatetimeedit->date().year() % 100,
StartDatetimeedit->time().hour(),
StartDatetimeedit->time().minute(),
StartDatetimeedit->time().second());
datetime[16] = 0;
/***************** write header *****************************************/
get_filename_from_path(outputfilename, path, MAX_PATH_LENGTH);
remove_extension_from_filename(outputfilename);
strcat(outputfilename, "_finometer.edf");
path[0] = 0;
if(recent_savedir[0]!=0)
{
strcpy(path, recent_savedir);
strcat(path, "/");
}
strcat(path, outputfilename);
strcpy(path, QFileDialog::getSaveFileName(0, "Output file", QString::fromLocal8Bit(path), "EDF files (*.edf *.EDF)").toLocal8Bit().data());
if(!strcmp(path, ""))
{
enable_widgets(TRUE);
fclose(inputfile);
return;
}
get_directory_from_path(recent_savedir, path, MAX_PATH_LENGTH);
outputfile = fopeno(path, "wb");
if(outputfile==NULL)
{
snprintf(txt_string, 2048, "Can not open file %s for writing.", path);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
enable_widgets(TRUE);
fclose(inputfile);
return;
}
fprintf(outputfile, "0 ");
fprintf(outputfile, "%s", patientname);
fprintf(outputfile, "%s", recording);
fprintf(outputfile, "%s", datetime);
fprintf(outputfile, "%-8i", 256 * edfsignals + 256);
fprintf(outputfile, " ");
fprintf(outputfile, "-1 ");
fprintf(outputfile, "0.01 ");
fprintf(outputfile, "%-4i", edfsignals);
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "%s", labels[i]);
}
for(i=0; i<(80*edfsignals); i++)
{
fputc(' ', outputfile);
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "%s", phys_dim[i]);
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "%s", phys_min[i]);
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "%s", phys_max[i]);
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "-31744 ");
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "31744 ");
}
for(i=0; i<(80*edfsignals); i++)
{
fputc(' ', outputfile);
}
for(i=0; i<edfsignals; i++)
{
fprintf(outputfile, "1 ");
}
for(i=0; i<(32*edfsignals); i++)
{
fputc(' ', outputfile);
}
/***************** start conversion **************************************/
rewind(inputfile);
for(i=0; ; )
{
temp = fgetc(inputfile);
if(temp==EOF)
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "Reached end of file unexpectedly (8).");
messagewindow.exec();
fclose(inputfile);
fclose(outputfile);
enable_widgets(TRUE);
return;
}
if(temp=='\n') i++;
if(i>1) break;
}
QApplication::setOverrideCursor(Qt::WaitCursor);
for(k=0; k<10; k++) qApp->processEvents();
i = 0;
column = 0;
datarecords = 0;
str_start = 0;
line_nr = 2;
while(1)
{
temp = fgetc(inputfile);
if(temp==EOF)
{
for(k=0; k<edfsignals; k++)
{
temp = (int)(new_value[k] * sensitivity[k]);
if(temp>31744) temp = 31744;
if(temp<-31744) temp = -31744;
var.two = (short)temp;
fputc(var.one[0], outputfile);
fputc(var.one[1], outputfile);
}
datarecords++;
break;
}
line[i] = temp;
/**************************************/
if(line[i]==',')
{
line[i] = '.';
}
if((line[i]==separator)||(line[i]=='\n'))
{
if(column)
{
new_value[column-1] = atof(line + str_start);
}
else
{
new_smpl_time = (int)(atof(line + str_start) * 100.0);
}
if(line[i]=='\n')
{
/**************************************/
line_nr++;
if(column!=edfsignals)
{
QApplication::restoreOverrideCursor();
snprintf(txt_string, 2048, "Number of separators in line %i is wrong.", line_nr);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
fclose(inputfile);
fclose(outputfile);
enable_widgets(TRUE);
return;
}
timestep = new_smpl_time - datarecords;
if(timestep<=0)
{
QApplication::restoreOverrideCursor();
snprintf(txt_string, 2048, "Timestep <= 0 in line %i.", line_nr);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
fclose(inputfile);
fclose(outputfile);
enable_widgets(TRUE);
return;
}
for(j=0; j<timestep; j++)
{
for(k=0; k<edfsignals; k++)
{
temp = (int)((old_value[k] + ((new_value[k] - old_value[k]) * ((double)j / (double)timestep))) * sensitivity[k]);
if(temp>31744) temp = 31744;
if(temp<-31744) temp = -31744;
var.two = (short)temp;
fputc(var.one[0], outputfile);
fputc(var.one[1], outputfile);
}
datarecords++;
}
for(j=0; j<edfsignals; j++)
{
old_value[j] = new_value[j];
}
/**************************************/
str_start = 0;
i = 0;
column = 0;
continue;
}
str_start = i + 1;
column++;
}
/**************************************/
i++;
if(i>2046)
{
QApplication::restoreOverrideCursor();
snprintf(txt_string, 2048, "Line %i is too long.", line_nr);
QMessageBox messagewindow(QMessageBox::Critical, "Error", txt_string);
messagewindow.exec();
fclose(inputfile);
fclose(outputfile);
enable_widgets(TRUE);
return;
}
}
QApplication::restoreOverrideCursor();
fseeko(outputfile, 236LL, SEEK_SET);
fprintf(outputfile, "%-8i", datarecords);
if(fclose(outputfile))
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "An error occurred while closing outputfile.");
messagewindow.exec();
enable_widgets(TRUE);
fclose(inputfile);
return;
}
if(fclose(inputfile))
{
QMessageBox messagewindow(QMessageBox::Critical, "Error", "An error occurred while closing inputfile.");
messagewindow.exec();
}
snprintf(txt_string, 2048, "Done, EDF file is located at %s", path);
QMessageBox messagewindow(QMessageBox::Information, "Ready", txt_string);
messagewindow.setIconPixmap(QPixmap(":/images/ok.png"));
messagewindow.exec();
enable_widgets(TRUE);
}
void UI_FINO2EDFwindow::enable_widgets(bool toggle)
{
StartDatetimeedit->setEnabled(toggle);
PatientnameLineEdit->setEnabled(toggle);
RecordingLineEdit->setEnabled(toggle);
pushButton1->setEnabled(toggle);
pushButton2->setEnabled(toggle);
}