OpenCV print blob

blobprint.cpp

//#define CV_8U   0
//#define CV_8S   1
//#define CV_16U  2
//#define CV_16S  3
//#define CV_32S  4
//#define CV_32F  5
//#define CV_64F  6
//#define CV_16F  7
void printblob(InputArray blob_) {
    Mat blob = blob_.getMat();
    auto shapeV = shape(blob);
    auto typeMat = blob.type();

    std::cout << "data type = " << typeMat << std::endl;
    float *ptrf;
    uchar *ptru;
    char *ptrc;
    int* ptrs;
    int len = std::min(int(blob.total()), 10);
    if (typeMat == 0) {
        ptru = (uchar *) blob.data;
        for (int i = 0; i < len; i++) {
            std::cout << (int) *(ptru + i) << ", ";
        }
    }else if (typeMat == 1) {
        ptrc = (char *)blob.data;
        for(int i = 0; i<len; i++) {
            std::cout<<(int) *(ptrc + i)<<", ";}

    }else if (typeMat == 4) {
        ptrs = (int *)blob.data;
        for(int i = 0; i<len; i++) {
            std::cout<<(int) *(ptrs + i)<<", ";}

    }
    else if (typeMat == 5) {
        ptrf = (float *)blob.data;
        for(int i = 0; i<len; i++) {
            std::cout<<*(ptrf + i)<<", ";
        }
    }
    std::cout<<std::endl;
}


void printShape(InputArray blob_)
{
    Mat blob = blob_.getMat();
    auto shapeA = shape(blob);
    for (int i = 0; i < shapeA.size(); i++)
    {
        std::cout<<"x"<<shapeA[i];
    }
    std::cout<<std::endl;
}