mexopencv  3.4.1
MEX interface for OpenCV library
mulSpectrums.cpp
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1 
8 #include "mexopencv.hpp"
9 using namespace std;
10 using namespace cv;
11 
19 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
20 {
21  // Check the number of arguments
22  nargchk(nrhs>=2 && (nrhs%2)==0 && nlhs<=1);
23 
24  // Argument vector
25  vector<MxArray> rhs(prhs, prhs+nrhs);
26 
27  // Option processing
28  int flags = 0;
29  bool conjB = false;
30  for (int i=2; i<nrhs; i+=2) {
31  string key(rhs[i].toString());
32  if (key == "Rows")
33  UPDATE_FLAG(flags, rhs[i+1].toBool(), cv::DFT_ROWS);
34  else if (key == "ConjB")
35  conjB = rhs[i+1].toBool();
36  else
37  mexErrMsgIdAndTxt("mexopencv:error",
38  "Unrecognized option %s", key.c_str());
39  }
40 
41  // Process
42  Mat a(rhs[0].toMat(rhs[0].isSingle() ? CV_32F : CV_64F)),
43  b(rhs[1].toMat(rhs[1].isSingle() ? CV_32F : CV_64F)),
44  c;
45  mulSpectrums(a, b, c, flags, conjB);
46  plhs[0] = MxArray(c);
47 }
void mulSpectrums(InputArray a, InputArray b, OutputArray c, int flags, bool conjB=false)
DFT_ROWS
STL namespace.
struct mxArray_tag mxArray
Forward declaration for mxArray.
Definition: matrix.h:259
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
Main entry called from Matlab.
#define CV_32F
#define UPDATE_FLAG(NUM, TF, BIT)
set or clear a bit in flag depending on bool value
Definition: mexopencv.hpp:174
#define CV_64F
LIBMWMEX_API_EXTERN_C void mexErrMsgIdAndTxt(const char *identifier, const char *err_msg,...)
Issue formatted error message with corresponding error identifier and return to MATLAB prompt...
mxArray object wrapper for data conversion and manipulation.
Definition: MxArray.hpp:123
void nargchk(bool cond)
Alias for input/output arguments number check.
Definition: mexopencv.hpp:181
STL class.
Global constant definitions.
T c_str(T... args)
cv::Mat toMat() const