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author | shamikam | 2017-01-16 02:56:17 +0530 |
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committer | shamikam | 2017-01-16 02:56:17 +0530 |
commit | a6df67e8bcd5159cde27556f4f6a315f8dc2215f (patch) | |
tree | e806e966b06a53388fb300d89534354b222c2cad /sci_gateway/cpp/opencv_imcontour.cpp | |
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Diffstat (limited to 'sci_gateway/cpp/opencv_imcontour.cpp')
-rw-r--r-- | sci_gateway/cpp/opencv_imcontour.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_imcontour.cpp b/sci_gateway/cpp/opencv_imcontour.cpp new file mode 100644 index 0000000..7d6a83b --- /dev/null +++ b/sci_gateway/cpp/opencv_imcontour.cpp @@ -0,0 +1,62 @@ +/******************************************************** +Function :imcontour +Syntax :B=imcontour(A) +Author: Tess Zacharias + +********************************************************/ + +#include <numeric> +#include "opencv2/core/core.hpp" +#include "opencv2/highgui/highgui.hpp" +#include "opencv2/opencv.hpp" +#include <iostream> +using namespace cv; +using namespace std; +extern "C" +{ + #include "api_scilab.h" + #include "Scierror.h" + #include "BOOL.h" + #include <localization.h> + #include "sciprint.h" + #include "../common.h" + + int opencv_imcontour(char *fname, unsigned long fname_len) + { + + SciErr sciErr; + int intErr = 0; + Mat gray,image; + //checking input argument + CheckInputArgument(pvApiCtx, 1, 1); + CheckOutputArgument(pvApiCtx, 1, 1) ; + retrieveImage(image, 1); + cvtColor(image, gray, CV_BGR2GRAY); + Canny(gray, gray, 100, 200, 3); + /// Find contours + vector<vector<Point> > contours; + vector<Vec4i> hierarchy; + RNG rng(12345); + findContours( gray, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) ); + /// Draw contours + Mat drawing = Mat::zeros( gray.size(), CV_8UC3 ); + for( int i = 0; i< contours.size(); i++ ) + { + Scalar color = Scalar(rng.uniform(0,255),rng.uniform(0,255),rng.uniform(0,255)); + drawContours( drawing, contours, i, color, 1, 8, hierarchy, 0, Point()); + } + bitwise_not(drawing,drawing); + string tempstring = type2str(drawing.type()); + char *checker; + checker = (char *)malloc(tempstring.size() + 1); + memcpy(checker, tempstring.c_str(), tempstring.size() + 1); + returnImage(checker,drawing,1); + free(checker); + //Assigning the list as the Output Variable + AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1; + //Returning the Output Variables as arguments to the Scilab environment + ReturnArguments(pvApiCtx); + return 0; + + } +} |