getGaussianKernel.cpp

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#include "mexopencv.hpp"
using namespace std;
using namespace cv;

void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
    // Check the number of arguments
    nargchk((nrhs%2)==0 && nlhs<=1);

    // Argument vector
    vector<MxArray> rhs(prhs, prhs+nrhs);

    // Option processing
    int ksize = 5;
    double sigma = -1;
    int ktype = CV_64F;
    for (int i=0; i<nrhs; i+=2) {
        string key(rhs[i].toString());
        if (key=="KSize")
            ksize = rhs[i+1].toInt();
        else if (key=="Sigma")
            sigma = rhs[i+1].toDouble();
        else if (key=="KType")
            ktype = (rhs[i+1].isChar()) ?
                ClassNameMap[rhs[i+1].toString()] : rhs[i+1].toInt();
        else
            mexErrMsgIdAndTxt("mexopencv:error","Unrecognized option");
    }

    // Process
    Mat kernel = getGaussianKernel(ksize, sigma, ktype);
    plhs[0] = MxArray(kernel);
}