mexopencv  3.4.1
MEX interface for OpenCV library
drawDetectedCornersCharuco.cpp
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1 
8 #include "mexopencv.hpp"
9 #include "mexopencv_aruco.hpp"
10 #include "opencv2/aruco.hpp"
11 using namespace std;
12 using namespace cv;
13 using namespace cv::aruco;
14 
22 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
23 {
24  // Check the number of arguments
25  nargchk(nrhs>=2 && (nrhs%2)==0 && nlhs<=1);
26 
27  // Argument vector
28  vector<MxArray> rhs(prhs, prhs+nrhs);
29 
30  // Option processing
31  vector<int> charucoIds;
32  Scalar cornerColor(255, 0, 0);
33  for (int i=2; i<nrhs; i+=2) {
34  string key(rhs[i].toString());
35  if (key == "IDs")
36  charucoIds = rhs[i+1].toVector<int>();
37  else if (key == "CornerColor")
38  cornerColor = (rhs[i+1].isChar()) ?
39  ColorType[rhs[i+1].toString()] : rhs[i+1].toScalar();
40  else
41  mexErrMsgIdAndTxt("mexopencv:error",
42  "Unrecognized option %s", key.c_str());
43  }
44 
45  // Process
46  Mat image(rhs[0].toMat());
47  vector<Point2f> charucoCorners(rhs[1].toVector<Point2f>());
48  drawDetectedCornersCharuco(image, charucoCorners,
49  (!charucoIds.empty()) ? charucoIds : noArray(), cornerColor);
50  plhs[0] = MxArray(image);
51 }
void drawDetectedCornersCharuco(InputOutputArray image, InputArray charucoCorners, InputArray charucoIds=noArray(), Scalar cornerColor=Scalar(255, 0, 0))
T empty(T... args)
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.
Common definitions for the aruco module.
InputOutputArray noArray()
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)
const ConstMap< std::string, cv::Scalar > ColorType
Translates MATLAB color names (see ColorSpec) into OpenCV scalars.
Definition: mexopencv.hpp:55
cv::Mat toMat() const