mexopencv  3.4.1
MEX interface for OpenCV library
preCornerDetect.cpp
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1 
8 #include "mexopencv.hpp"
9 #include "opencv2/imgproc.hpp"
10 using namespace std;
11 using namespace cv;
12 
20 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
21 {
22  // Check the number of arguments
23  nargchk(nrhs>=1 && (nrhs%2)==1 && nlhs<=1);
24 
25  // Argument vector
26  vector<MxArray> rhs(prhs, prhs+nrhs);
27 
28  // Option processing
29  int ksize = 3;
30  int borderType = cv::BORDER_DEFAULT;
31  for (int i=1; i<nrhs; i+=2) {
32  string key(rhs[i].toString());
33  if (key == "KSize")
34  ksize = rhs[i+1].toInt();
35  else if (key == "BorderType")
36  borderType = BorderType[rhs[i+1].toString()];
37  else
38  mexErrMsgIdAndTxt("mexopencv:error",
39  "Unrecognized option %s", key.c_str());
40  }
41 
42  // Process
43  Mat src(rhs[0].toMat(rhs[0].isUint8() ? CV_8U : CV_32F)), dst;
44  preCornerDetect(src, dst, ksize, borderType);
45  plhs[0] = MxArray(dst);
46 }
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
Main entry called from Matlab.
#define CV_8U
STL namespace.
struct mxArray_tag mxArray
Forward declaration for mxArray.
Definition: matrix.h:259
#define CV_32F
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...
const ConstMap< std::string, int > BorderType
Border type map for option processing.
Definition: mexopencv.hpp:66
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
void preCornerDetect(InputArray src, OutputArray dst, int ksize, int borderType=BORDER_DEFAULT)
STL class.
Global constant definitions.
T c_str(T... args)
BORDER_DEFAULT
cv::Mat toMat() const