/**
 * @file inpaint.cpp
 * @brief mex interface for inpaint
 * @author Kota Yamaguchi
 * @date 2012
 */
#include "mexopencv.hpp"
#include "opencv2/photo/photo.hpp"
using namespace std;
using namespace cv;

/** Inpainting algorithm types for option processing
 */
const ConstMap<std::string,int> InpaintType = ConstMap<std::string,int>
    ("NS",        cv::INPAINT_NS)
    ("Telea",    cv::INPAINT_TELEA);

/**
 * Main entry called from Matlab
 * @param nlhs number of left-hand-side arguments
 * @param plhs pointers to mxArrays in the left-hand-side
 * @param nrhs number of right-hand-side arguments
 * @param prhs pointers to mxArrays in the right-hand-side
 */
void mexFunction( int nlhs, mxArray *plhs[],
                  int nrhs, const mxArray *prhs[] )
{
    // Check the number of arguments
    if (nrhs<2 || ((nrhs%2)!=0) || nlhs>1)
        mexErrMsgIdAndTxt("mexopencv:error","Wrong number of arguments");
    
    // Argument vector
    vector<MxArray> rhs(prhs,prhs+nrhs);
    
    // Option processing
    double inpaintRadius = 3.0;
    int flags = INPAINT_NS;
    for (int i=2; i<nrhs; i+=2) {
        string key = rhs[i].toString();
        if (key=="Radius")
            inpaintRadius = rhs[i+1].toDouble();
        else if (key=="Method")
            flags = InpaintType[rhs[i+1].toString()];
        else
            mexErrMsgIdAndTxt("mexopencv:error","Unrecognized option");
    }
    
    // Process
    Mat src(rhs[0].toMat(CV_8U)), mask(rhs[1].toMat(CV_8U)), dst;
    inpaint(src, mask, dst, inpaintRadius, flags);
    plhs[0] = MxArray(dst);
}