bmp和opencv格式转换

IplImage * BmpTOIpl(int width,int height,unsigned char  *pBuffer)
{
    IPlImage *image =cvCreateImage(cvSize(width,height),8,1);
   image->imageData=pBuffer;
   return image;
}




CDibPtr IplToDib(IplImage *image)
{
   CDibPtr m_ptrBitmaps;
   CSize ImageSize;
   ImageSize.cx=image->width;
   ImageSize.cy=image->height;
   m_ptrBitmaps.Create(ImageSize, 8, CDib::TopDown, CDib::Monochrome);
  (unsigned char*) m_ptrBitmaps->GetPixels()=image->ImageData;
  return m_ptrBitmaps;
}

IplImage* hBitmap2Ipl(HBITMAP hBmp) 
{ 
BITMAP bmp; 

::GetObject(hBmp,sizeof(BITMAP),&bmp); 

int nChannels = bmp.bmBitsPixel == 1 ? 1 : bmp.bmBitsPixel/8 ; 
int depth = bmp.bmBitsPixel == 1 ? IPL_DEPTH_1U : IPL_DEPTH_8U; 

IplImage* img = cvCreateImageHeader( cvSize(bmp.bmWidth, bmp.bmHeight) 
, depth, nChannels ); 

img->imageData = 
(char*)malloc(bmp.bmHeight*bmp.bmWidth*nChannels*sizeof(char)); 
memcpy(img->imageData,(char*)(bmp.bmBits),bmp.bmHeight*bmp.bmWidth*nChannels); 

return img; 
} 


void createDIB(IplImage* &pict){ 
IplImage * Red=cvCreateImage( cvSize(IMAGE_WIDTH,IMAGE_HEIGHT), 
IPL_DEPTH_8U, 1 ); 
IplImage * Green=cvCreateImage( cvSize(IMAGE_WIDTH,IMAGE_HEIGHT), 
IPL_DEPTH_8U, 1 ); 
IplImage * Blue=cvCreateImage( cvSize(IMAGE_WIDTH,IMAGE_HEIGHT), 
IPL_DEPTH_8U, 1 ); 
cvSetImageCOI( pict, 3); 
cvCopy(pict,Red); 
cvSetImageCOI( pict, 2); 
cvCopy(pict,Green); 
cvSetImageCOI(pict, 1); 
cvCopy(pict,Blue); 
//Initialize the BMP display buffer 
bmi = (BITMAPINFO*)buffer; 
bmih = &(bmi->bmiHeader); 
memset( bmih, 0, sizeof(*bmih)); 
bmih->biSize = sizeof(BITMAPINFOHEADER); 
bmih->biWidth = IMAGE_WIDTH; 
bmih->biHeight = IMAGE_HEIGHT; // -IMAGE_HEIGHT; 
bmih->biPlanes = 1; 
bmih->biCompression = BI_RGB; 
bmih->biBitCount = 24; 
palette = bmi->bmiColors; 
for( int i = 0; i < 256; i++ ){ 
palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = 
(BYTE)i; 
palette[i].rgbReserved = 0; 
} 
cvReleaseImage(&Red); 
cvReleaseImage(&Green); 
cvReleaseImage(&Blue); 
}