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#include <ipp.h>
#include <ippdefs.h>

#include <QtGui>
#include <QApplication>

int main(int argc, char *argv[])
{
  QApplication app(argc, argv);

  QString strFileName = QFileDialog::getOpenFileName(0, ("Open File"), QDir::currentPath(),"Images (*.png *.jpg *.bmp)");

  if (!strFileName.isEmpty()) 
  {
    QImage imgLoadImage(strFileName);
	
	int dWidthDst = 500;

	int dHeightDst = 1000;	

    QImage imgResult(dWidthDst, dHeightDst, QImage::Format_RGB32);

    if(strFileName.endsWith(".bmp", Qt::CaseInsensitive))
    {
      strFileName.remove(strFileName.size() - 4, 4);
    }
    else if(strFileName.endsWith(".jpg", Qt::CaseInsensitive))
    {
      strFileName.remove(strFileName.size() - 4, 4);
    }
    else if(strFileName.endsWith(".png", Qt::CaseInsensitive))
    {
      strFileName.remove(strFileName.size() - 4, 4);
    }

	int nInterpolation = IPPI_INTER_CUBIC;
 
    IppiSize srcSize;

    srcSize.width =  imgLoadImage.width();

    srcSize.height = imgLoadImage.height();

	//Dst Region of Interest Size

	IppiSize dstRoiSize;

	dstRoiSize.width = dWidthDst;

	dstRoiSize.height = dHeightDst;

	//Region of Interest Quelle
    IppiRect srcRoi;

    srcRoi.x = 0;

    srcRoi.y = 0;

    srcRoi.width = imgLoadImage.width();

    srcRoi.height = imgLoadImage.height();


	//Region of Interest Ziel
    IppiRect dstRoi;

    dstRoi.x = 0;

    dstRoi.y = 0;

    dstRoi.width = imgResult.width();

    dstRoi.height = imgResult.height();

	//Stepweite der Pixel
    int dstStep = imgResult.width() * 4;

    int srcStep = imgLoadImage.width() * 4;

	//Pointer zu dem Quellbild
    uchar *pSrc;

    pSrc = imgLoadImage.bits();

	//Pointer zum Ziel Bild
    uchar *pDst;

    pDst = imgResult.bits();

	//pxMap // xMapStep
	
	int xMapStep =  10;

	Ipp32f *pxMap = new Ipp32f[dWidthDst*dHeightDst];

	//pyMap // yMapStep

	int yMapStep =  10;

	Ipp32f *pyMap  = new  Ipp32f[dWidthDst*dHeightDst];

  for(int i=0; i < dWidthDst; i++)
  {
    for (int j = 0; j < imgLoadImage.width(); j++)
    {
    pxMap[i] = j;
    }
  }

  for(int i=0; i < dHeightDst; i++)
  {
    for(int j = 0; j < imgLoadImage.width(); j++)
    {
    pyMap[i] = j;
    }
  }

 	ippiRemap_8u_C4R(pSrc, srcSize, srcStep, srcRoi, pxMap, xMapStep, pyMap,  yMapStep, pDst, dstStep, dstRoiSize, nInterpolation);

    imgResult.save(strFileName + "sw.png", "PNG");

    return 0;
  }
}