opencv CxImage 互转 (Mat)

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//to Mat CxImage img; img.Load("C:\\f.jpg"); uint8_t* buf=NULL; int32_t len=0; bool rs =img.Encode(buf,len,CXIMAGE_FORMAT_BMP); cv::Mat temp2; vector<uchar> buff2; buff2.resize(len); memcpy(&buff2[0],buf,len); temp2= cv::imdecode(buff2,1); cv::imshow("111",temp2); cv::waitKey();   //to Cximage vector<uchar> buff; cv::imencode(".bmp" ,temp2,buff); CxImage img2(&buff[0],buff.size(),CXIMAGE_FORMAT_BMP); img2.Blt(GetDlgItem(IDC_STATIC_P)->GetDC()->GetSafeHdc());