HObject→Mat
Mat HObject2Mat(HObject Hobj) { HTuple htCh; HString cType; cv::Mat Image; ConvertImageType(Hobj, &Hobj, "byte"); CountChannels(Hobj, &htCh); Hlong wid = 0; Hlong hgt = 0; if (htCh[0].I() == 1) { HImage hImg(Hobj); void *ptr = hImg.GetImagePointer1(&cType, &wid, &hgt);//GetImagePointer1(Hobj, &ptr, &cType, &wid, &hgt); int W = wid; int H = hgt; Image.create(H, W, CV_8UC1); unsigned char *pdata = static_cast<unsigned char *>(ptr); memcpy(Image.data, pdata, W*H); } else if (htCh[0].I() == 3) { void *Rptr; void *Gptr; void *Bptr; HImage hImg(Hobj); hImg.GetImagePointer3(&Rptr, &Gptr, &Bptr, &cType, &wid, &hgt); int W = wid; int H = hgt; Image.create(H, W, CV_8UC3); vector<cv::Mat> VecM(3); VecM[0].create(H, W, CV_8UC1); VecM[1].create(H, W, CV_8UC1); VecM[2].create(H, W, CV_8UC1); unsigned char *R2 = (unsigned char *)Rptr; unsigned char *G = (unsigned char *)Gptr; unsigned char *B = (unsigned char *)Bptr; memcpy(VecM[2].data, R2, W*H); memcpy(VecM[1].data, G, W*H); memcpy(VecM[0].data, B, W*H); cv::merge(VecM, Image); } return Image; }
Mat→HObject
HObject Mat2HObject(const cv::Mat &image) { HObject Hobj = HObject(); int hgt = image.rows; int wid = image.cols; int i; // CV_8UC3 if (image.type() == CV_8UC3) { vector<cv::Mat> imgchannel; split(image, imgchannel); cv::Mat imgB = imgchannel[0]; cv::Mat imgG = imgchannel[1]; cv::Mat imgR = imgchannel[2]; uchar* dataR = new uchar[hgt*wid]; uchar* dataG = new uchar[hgt*wid]; uchar* dataB = new uchar[hgt*wid]; for (i = 0; i<hgt; i++) { memcpy(dataR + wid*i, imgR.data + imgR.step*i, wid); memcpy(dataG + wid*i, imgG.data + imgG.step*i, wid); memcpy(dataB + wid*i, imgB.data + imgB.step*i, wid); } GenImage3(&Hobj, "byte", wid, hgt, (Hlong)dataR, (Hlong)dataG, (Hlong)dataB); delete[]dataR; delete[]dataG; delete[]dataB; dataR = NULL; dataG = NULL; dataB = NULL; } // CV_8UCU1 else if (image.type() == CV_8UC1) { uchar* data = new uchar[hgt*wid]; for (i = 0; i<hgt; i++) memcpy(data + wid*i, image.data + image.step*i, wid); GenImage1(&Hobj, "byte", wid, hgt, (Hlong)data); delete[] data; data = NULL; } return Hobj; }
【转载】https://blog.csdn.net/qq_38815760/article/details/88759919