mexopencv  0.1
mex interface for opencv library
spatialGradient.cpp
Go to the documentation of this file.
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>=1 && (nrhs%2)==1 && nlhs<=2);
23 
24  // Argument vector
25  vector<MxArray> rhs(prhs, prhs+nrhs);
26 
27  // Option processing
28  int ksize = 3;
29  int borderType = cv::BORDER_DEFAULT;
30  for (int i=1; i<nrhs; i+=2) {
31  string key(rhs[i].toString());
32  if (key == "KSize")
33  ksize = rhs[i+1].toInt();
34  else if (key == "BorderType")
35  borderType = BorderType[rhs[i+1].toString()];
36  else
37  mexErrMsgIdAndTxt("mexopencv:error",
38  "Unrecognized option %s", key.c_str());
39  }
40 
41  // Execute function
42  Mat src(rhs[0].toMat(CV_8U)), dx, dy;
43  spatialGradient(src, dx, dy, ksize, borderType);
44  plhs[0] = MxArray(dx);
45  if (nlhs > 1)
46  plhs[1] = MxArray(dy);
47 }
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
Main entry called from Matlab.
const ConstMap< std::string, int > BorderType
Border type map for option processing.
Definition: mexopencv.hpp:52
mxArray object wrapper for data conversion and manipulation.
Definition: MxArray.hpp:123
void nargchk(bool cond)
Alias for input/ouput arguments number check.
Definition: mexopencv.hpp:166
Global constant definitions.