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Diffstat (limited to 'sci_gateway/cpp/opencv_sobel.cpp')
| -rw-r--r-- | sci_gateway/cpp/opencv_sobel.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_sobel.cpp b/sci_gateway/cpp/opencv_sobel.cpp new file mode 100644 index 0000000..912be4d --- /dev/null +++ b/sci_gateway/cpp/opencv_sobel.cpp @@ -0,0 +1,172 @@ +/******************************************************** + Author: Sukul Bagai +********************************************************* + return_image = sobel(input_image, ddepth, dx, dy, kszie, scale, delta); +********************************************************/ + +#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_sobel(char *fname, unsigned long fname_len) + { + + SciErr sciErr; + int intErr = 0; + int iRows=0,iCols=0; + int *piLen = NULL; + int *piAddr2 = NULL; + int *piAddr3 = NULL; + int *piAddr4 = NULL; + int *piAddr5 = NULL; + int *piAddr6 = NULL; + int *piAddr7 = NULL; + char **ddepth = NULL; + int i,j,k; + double dx,dy,ksize,scale,delta; + + + //checking input argument + CheckInputArgument(pvApiCtx, 7, 7); + CheckOutputArgument(pvApiCtx, 1, 1) ; + + Mat image; + retrieveImage(image,1); + + //for value of ddepth + sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Now, we will retrieve the string from the input parameter. For this, we will require 3 calls + //first call to retrieve dimensions + sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + //second call to retrieve length of each string + sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + ddepth = (char**)malloc(sizeof(char*) * iRows * iCols); + for(i = 0 ; i < iRows * iCols ; i++) + ddepth[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination + //third call to retrieve data + sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, ddepth); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + //for value of dx + sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr3, &dx); + if(intErr) + return intErr; + + //for value of dy + sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr4, &dy); + if(intErr) + return intErr; + + //for value of ksize + sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr5, &ksize); + if(intErr) + return intErr; + + //for value of scale + sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr6, &scale); + if(intErr) + return intErr; + + //for value of delta + sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr7, &delta); + if(intErr) + return intErr; + + Mat new_image(image.rows,image.cols,CV_8UC3); + if((int)ksize!=1 && (int)ksize!=3 && (int)ksize!=5 && (int)ksize!=7) + { + sciprint("Value of 1,3,5,7 Required for ksize. Default value of 3 was used instead"); + ksize=3; + } + + //void Sobel(InputArray src, OutputArray dst, int ddepth, int dx, int dy, int ksize=3, double scale=1, double delta=0, int borderType=BORDER_DEFAULT ) + if(strcmp(ddepth[0],"CV_8U")==0) + Sobel(image,new_image,CV_8U,dx,dy,ksize,scale,delta); + else if(strcmp(ddepth[0],"CV_16U")==0) + Sobel(image,new_image,CV_16U,dx,dy,ksize,scale,delta); + else if(strcmp(ddepth[0],"CV_16S")==0) + Sobel(image,new_image,CV_16S,dx,dy,ksize,scale,delta); + else if(strcmp(ddepth[0],"CV_32F")==0) + Sobel(image,new_image,CV_32F,dx,dy,ksize,scale,delta); + else if(strcmp(ddepth[0],"CV_64F")==0) + Sobel(image,new_image,CV_64F,dx,dy,ksize,scale,delta); + + string tempstring = type2str(new_image.type()); + char *checker; + checker = (char *)malloc(tempstring.size() + 1); + memcpy(checker, tempstring.c_str(), tempstring.size() + 1); + returnImage(checker,new_image,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; + + } +/* ==================================================================== */ +} |