1 files changed, 146 insertions, 0 deletions
diff --git a/sci_gateway1/cpp/opencv_TemplateMatcher.cpp b/sci_gateway1/cpp/opencv_TemplateMatcher.cpp
new file mode 100644
index 0000000..674abcb
--- /dev/null
+++ b/sci_gateway1/cpp/opencv_TemplateMatcher.cpp
@@ -0,0 +1,146 @@
+/********************************************************
+Author: Suraj Prakash
+return_image = TemplateMatcher(InputArray image, InputArray templage_image, int method)
+********************************************************/
+
+#include <numeric>
+#include "opencv2/core/core.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include "opencv2/opencv.hpp"
+#include <iostream>
+#include <vector>
+
+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_TemplateMatcher(char *fname, unsigned long fname_len){
+
+    /// Error management variable
+    SciErr sciErr;
+    
+    /// Variables
+    int i, j;
+
+    int iRows = 0;
+    int iCols = 0;
+    int *piLen = NULL;
+    int *piAddr = NULL;
+
+    char **method = NULL;
+
+
+    /// checking input argument
+    CheckInputArgument(pvApiCtx, 2, 3);
+    CheckOutputArgument(pvApiCtx, 1, 1);
+
+    Mat image, template_image;
+    retrieveImage(image, 1);
+    retrieveImage(template_image, 2);
+
+    /// if there is inconsistency in data type of image and template image
+    if(type2str(image.type()) != type2str(template_image.type())){
+      Scierror(999, "%s: Image and template image are not of same type\n");
+      return 0;
+    }
+
+    if(template_image.rows > image.rows or template_image.cols > image.cols){
+      Scierror(999, "%s: Dimensions of template image is greater then image\n");
+      return 0;
+    }
+
+    /// generated image is (W - w + 1) * (H - h + 1) and it must be 32 bit floating number with single channel
+
+    Mat new_image(image.rows, image.cols, image.type()); 
+
+
+     int nbInputArguments = *getNbInputArgument(pvApiCtx);
+     if(nbInputArguments > 2){
+     		/// variable address
+		    sciErr = getVarAddressFromPosition(pvApiCtx, 3, &piAddr);
+		    if(sciErr.iErr){   
+		        printError(&sciErr, 0);
+		        return 0;
+		    }
+		    
+		    /// Retrieve string from input parameter. (requires 3 calls)
+		    /// first to retrieve dimensions
+		    sciErr = getMatrixOfString(pvApiCtx, piAddr, &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, piAddr, &iRows, &iCols, piLen, NULL);
+		    if(sciErr.iErr){
+		        printError(&sciErr, 0);
+		        return 0;
+		    }
+
+		    method = (char**)malloc(sizeof(char*) * iRows * iCols);
+		    for(i = 0 ; i < iRows * iCols ; i++)
+		        method[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
+
+		    //third call to retrieve data
+		    sciErr = getMatrixOfString(pvApiCtx, piAddr, &iRows, &iCols, piLen, method);
+		    if(sciErr.iErr){
+		        printError(&sciErr, 0);
+		        return 0;
+		    }
+
+		     if(strcmp(method[0], "CV_TM_SQDIFF") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_SQDIFF);
+		    else if(strcmp(method[0], "CV_TM_SQDIFF_NORMED") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_SQDIFF_NORMED);
+		    else if(strcmp(method[0], "CV_TM_CCORR") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_CCORR);
+		    else if(strcmp(method[0], "CV_TM_CCORR_NORMED") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_CCORR_NORMED);
+		    else if(strcmp(method[0], "CV_TM_CCOEFF") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_CCOEFF);
+		    else if(strcmp(method[0], "CV_TM_CCOEFF_NORMED") == 0)
+		      matchTemplate(image, template_image, new_image, CV_TM_CCOEFF_NORMED);
+		    else{
+		      matchTemplate(image, template_image, new_image, CV_TM_SQDIFF);
+		      sciprint("Wrong method given, using CV_TM_SQDIFF instead");  
+    		}          
+     }
+
+     else{
+     	 matchTemplate(image, template_image, new_image, CV_TM_SQDIFF);
+     }
+    
+
+    
+
+
+     
+    
+    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;
+
+  }
+/* ==================================================================== */
+}