halcon HObject与opencv Mat转换

cv::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 *R = (unsigned char *)Rptr;

unsigned char *G = (unsigned char *)Gptr;

unsigned char *B = (unsigned char *)Bptr;

memcpy(VecM[2].data, R, W*H);

memcpy(VecM[1].data, G, W*H);

memcpy(VecM[0].data, B, W*H);

cv::merge(VecM, Image);

}

return Image;

}