C++ Builder XE3 & OpenCV

FileNode operator ->() const;

#define _STLP_NO_CSTD_FUNCTION_IMPORTS
#define _FM_NO_REMAP

template<typename _Tp, int m, int n> inline
Matx<_Tp, MIN(m,n), 1> Matx<_Tp, m, n>::diag() const
{
    diag_type d;
    for( int i = 0; i < MIN(m, n); i++ )
        d.val[i] = val[i*n + i];
    return d;
}

// ---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
#include <JPEG.hpp>
#include <PNGimage.hpp>
 
 
#include "opencv2/highgui/highgui_c.h"
#include "opencv2/imgproc/imgproc_c.h"
 
// ---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
 
// ---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner)
{
}
 
// ---------------------------------------------------------------------------
void __fastcall TForm1::Button_OpenClick(TObject *Sender)
{
    if (OpenDialog1->Execute())
    {
        AnsiString sExt = ExtractFileExt(OpenDialog1->FileName).LowerCase();
        if ( sExt == ".jpeg" || sExt == ".jpg" )
        {
            TJPEGImage *jpg = new TJPEGImage;
            jpg->LoadFromFile(OpenDialog1->FileName);
            Image1->Picture->Bitmap->Assign(jpg);
            delete jpg;
        }
        else if ( sExt == ".png" )
        {
            TPngImage *png = new TPngImage;
            png->LoadFromFile(OpenDialog1->FileName);
            Image1->Picture->Bitmap->Assign(png);
            delete png;
        }
        else if ( sExt == ".bmp" )
        {
            Image1->Picture->Bitmap->LoadFromFile(OpenDialog1->FileName);
        }
    }
}
// ---------------------------------------------------------------------------
 
void __fastcall TForm1::Button_ConvertClick(TObject *Sender)
{
    // Convert src to gray image
    IplImage* src = cvLoadImage(AnsiString(OpenDialog1->FileName).c_str(), 1);
    IplImage* imageInGray = cvCreateImage(cvSize(src->width, src->height),
        IPL_DEPTH_8U, 1);
    cvCvtColor(src, imageInGray, CV_BGR2GRAY);
 
    // Save and load image
    cvSaveImage("C:\\1.bmp", imageInGray);
    Image1->Picture->LoadFromFile("C:\\1.bmp");
 
    // Release images
    cvReleaseImage(&src);
    cvReleaseImage(&imageInGray);
}
// ---------------------------------------------------------------------------

#include "opencv2/highgui/highgui_c.h"
#include "opencv2/imgproc/imgproc_c.h"