Hi Chris,

Thanks for your answer, but I am sorry, I can't find any missing hyphen on line 23.
Qt Code: 
  1. LIBS    += -L"C:/Program Files/MATLAB/MATLAB Compiler Runtime/v713/extern/lib/win32/microsoft" -lmclmcrrt
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My MTF.cpp file is

Qt Code: 
  1. #include "MTF.h"
  2.  
  3. int MaxX = 255;
  4.  
  5.  
  6. Chart * chart;
  7. Chart::Chart(PluginAnalysisIO * IO): QObject(IO)
  8. {
  9.     pluginIO = IO;
  10. //    return;
  11.     //QWidget *  parentWidget = pluginIO->outputWidgets[0];
  12.  
  13. //    QVBoxLayout *layout1 = new QVBoxLayout(parentWidget);
  14. //    layout1->addWidget(plot);
  15. //    QGridLayout * grid = new QGridLayout(parentWidget);
  16. //    layout1->addLayout(grid);
  17.    // if(!LibTI_MTFInitializeWithHandlers(DefaultErrorHandler, DefaultPrintHandler)) {
  18.       if(!LibTI_MTFInitialize()){
  19.         //mclTerminateApplication();
  20.         QMessageBox::critical(0,"Error", "Error initializing Matlab engine!\nPlease try to restart application.");
  21.         //return 2;
  22.     } else{
  23.         //return 0;
  24.     }
  25. }
  26.  
  27. int main(int a,char**  ){ return 0;}
  28.  
  29. Chart::~Chart(){
  30.     LibTI_MTFTerminate();
  31. }
  32.  
  33.  
  34.  
  35. void Chart::showChart(){
  36.  
  37.     QString imageFileName  = pluginIO->imageFileName.toLower();
  38.     QDir tempDir(QDir::tempPath());
  39.     //    QString tempPath =  tempDir.canonicalPath();
  40.     QString tempPath =  tempDir.absolutePath();
  41.  
  42.     QString outPrefix = tempPath+"/MTF_Images_";
  43.     QString CoordinatesFile = outPrefix + "coordinates.txt";
  44. #if defined(Q_OS_WIN)
  45.     outPrefix.replace("/","\\");
  46.     imageFileName.replace("/","\\");
  47.     CoordinatesFile.replace("/","\\");
  48. #endif
  49.  
  50.     mxArray * cols = mxCreateDoubleScalar(pluginIO->rawWidth);
  51.     mxArray * rows = mxCreateDoubleScalar(pluginIO->rawHeight);
  52.     mxArray * phase = mxCreateDoubleScalar(pluginIO->rawColorPattern);
  53.     mxArray * dcsub = mxCreateDoubleScalar(0);
  54.     mxArray * R = NULL;
  55.     mxArray * infilename = mxCreateString(imageFileName.toStdString().c_str());
  56.     mxArray * rotate = mxCreateDoubleScalar(0);
  57.     mxArray * figurePref = mxCreateString(outPrefix.toStdString().c_str());
  58.     mxArray * filename_coords = mxCreateString(CoordinatesFile.toStdString().c_str());
  59.     QFile::remove(pluginIO->fileNames[0]);
  60.     QFile::remove(pluginIO->fileNames[1]);
  61.     pluginIO->fileNames[0] = "";
  62.     pluginIO->fileNames[1] = "";
  63.  
  64.     FILE* coordinates = fopen(CoordinatesFile.toStdString().c_str(),"w");
  65.     if (coordinates != NULL){
  66.         fprintf(coordinates,"%d, %d, %d, %d\r\n",pluginIO->selectedRect.topLeft().x(),  pluginIO->selectedRect.bottomRight().x(),pluginIO->selectedRect.topLeft().y(), pluginIO->selectedRect.bottomRight().y());
  67.         fclose(coordinates);
  68.         if (imageFileName.endsWith(".raw",Qt::CaseInsensitive)|| imageFileName.endsWith(".rawle",Qt::CaseInsensitive)){
  69.             mlfRawmtfse(1, &R, infilename, cols, rows, phase, dcsub, figurePref, filename_coords);
  70.         } else
  71.             if (imageFileName.endsWith(".jpg",Qt::CaseInsensitive)|| imageFileName.endsWith(".bmp",Qt::CaseInsensitive)||imageFileName.endsWith(".jpeg",Qt::CaseInsensitive)){
  72.             mlfImgmtfse(1, &R, infilename, rotate, figurePref, filename_coords);
  73.  
  74.         } else  {
  75.             QMessageBox::critical(0,"Error", tr("Improper image type selected! \nAcceptable file extensions are: \n *.jpg, *.bmp, *.raw, *.rawLE") );
  76.             goto end;//-->
  77.         }
  78.  
  79.         if (R == NULL){
  80.             QString parameters = "\nFile = " + QString(mxArrayToString(infilename));
  81.             parameters += "  \nfigurePref = " + QString(mxArrayToString(figurePref));
  82.             parameters += "  \nfilename_coords = " + QString(mxArrayToString(filename_coords));
  83.             parameters += "  \ncols = " + QString::number(* mxGetPr(cols));
  84.             parameters += "  \nrows = " + QString::number(* mxGetPr(rows));
  85.             parameters += "  \nphase = " + QString::number(* mxGetPr(phase));
  86.             parameters += "  \ndcsub = " + QString::number(* mxGetPr(dcsub));
  87.             QFile coordinates_txt(CoordinatesFile);
  88.             coordinates_txt.open(QIODevice::ReadOnly);
  89.             QString coords(coordinates_txt.readAll());
  90.             coordinates_txt.close();
  91.             parameters += "\nRect: "+ coords;
  92.             QMessageBox::critical(0,"Error", tr("MatLab returned error!") + parameters);
  93.         }else
  94.             if (* mxGetPr(R) != -1){
  95.             pluginIO->fileNames[0] = outPrefix+"figure_1.jpeg";
  96.             pluginIO->fileNames[1] = outPrefix+"figure_2.jpeg";
  97.             mxDestroyArray(R);
  98.         }
  99.         else if (* mxGetPr(R) == -1){
  100.             QMessageBox::critical(0,"Error", tr("Cannot evaluate function! \nPlease try selecting another area!"));
  101.         }
  102.             else   QMessageBox::critical(0,"Error", tr("Unrecognized error!"));
  103.     } else {
  104.         QMessageBox::critical(0,"Error",tr("Error creating coordinates file: ") + CoordinatesFile);
  105.     }
  106.     end:
  107.     mxDestroyArray(infilename);
  108.     mxDestroyArray(rotate);
  109.     mxDestroyArray(figurePref);
  110.     mxDestroyArray(filename_coords);
  111.  
  112. }
  113.  
  114. extern "C"
  115. {
  116.     MTFSHARED_EXPORT int init(PluginAnalysisIO * IO){
  117.         chart = new Chart(IO);
  118.         return 0;
  119.     }
  120.  
  121.     MTFSHARED_EXPORT void show(){
  122.         chart->showChart();
  123.     }
  124. }
  125.  
  126. int DefaultPrintHandler(const char *s)
  127. {
  128.     return strlen(s);//->
  129.     return mclWrite(1 /* stdout */, s, sizeof(char)*strlen(s));
  130. }
  131.  
  132. int DefaultErrorHandler(const char *s)
  133. {
  134.     int written = 0;
  135.     size_t len = 0;
  136.     len = strlen(s);
  137.  
  138.     return len;//->
  139.     written = mclWrite(2 /* stderr */, s, sizeof(char)*len);
  140.     if (len > 0 && s[ len-1 ] != '\n')
  141.         written += mclWrite(2 /* stderr */, "\n", sizeof(char));
  142.     return written;
  143. }
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