getValidDisparityROI.cpp

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#include "mexopencv.hpp"
#include "opencv2/calib3d.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 && (nrhs%2)==0 && nlhs<=1);

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

    // Option processing
    int minDisparity = 0;
    int numberOfDisparities = 64;
    int SADWindowSize = 21;
    for (int i=2; i<nrhs; i+=2) {
        string key(rhs[i].toString());
        if (key == "MinDisparity")
            minDisparity = rhs[i+1].toInt();
        else if (key == "NumDisparities")
            numberOfDisparities = rhs[i+1].toInt();
        else if (key == "BlockSize")
            SADWindowSize = rhs[i+1].toInt();
        else
            mexErrMsgIdAndTxt("mexopencv:error",
                "Unrecognized option %s", key.c_str());
    }

    // Process
    Rect roi1(rhs[0].toRect()),
         roi2(rhs[1].toRect()),
         r;
    r = getValidDisparityROI(roi1, roi2,
        minDisparity, numberOfDisparities, SADWindowSize);
    plhs[0] = MxArray(r);
}