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.rgbBlue = palette.rgbGreen = palette.rgbRed = (BYTE)i; palette.rgbReserved = 0;  } cvReleaseImage(&Red); cvReleaseImage(&Green); cvReleaseImage(&Blue); } |
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