First CommitHEADmaster

1 files changed, 156 insertions, 0 deletions

diff --git a/sci_gateway/cpp/opencv_pyrDown.cpp b/sci_gateway/cpp/opencv_pyrDown.cpp
new file mode 100644
index 0000000..7a8df72
--- /dev/null
+++ b/sci_gateway/cpp/opencv_pyrDown.cpp
@@ -0,0 +1,156 @@
+/***************************************************
+Author : Sukul Bagai
+****************************************************
+  return_image = pyrDown(input_image, dstsize_width, distsize_height, border;
+***************************************************/
+
+#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_pyrDown(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr=0;
+    int iRows=0,iCols=0;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int *piAddr4  = NULL;
+    int *piLen = NULL;
+    char **borderType = NULL;
+    double dstsize_width,dstsize_height;
+    int border;
+    int i;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 4, 4);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    Mat image;
+    retrieveImage(image,1);
+
+    //for value of dstsize_width
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr2, &dstsize_width);
+    if(intErr)
+        return intErr;
+
+    //for value of dstsize_width
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3 ,&dstsize_height);
+    if(intErr)
+        return intErr;
+
+    //for border
+    sciErr = getVarAddressFromPosition(pvApiCtx,4, &piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    sciErr = getMatrixOfString(pvApiCtx, piAddr4, &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, piAddr4, &iRows, &iCols, piLen, NULL);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    borderType = (char**)malloc(sizeof(char*) * iRows * iCols);
+    for(i = 0 ; i < iRows * iCols ; i++)
+    {
+        borderType[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
+    }
+    //third call to retrieve data
+    sciErr = getMatrixOfString(pvApiCtx, piAddr4, &iRows, &iCols, piLen, borderType);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    
+
+    //error checks
+    if(dstsize_height<0)
+    {
+        sciprint("Positive Value Required for Height. 1 value was used instead\n");
+        dstsize_height=1;
+    }
+    if(dstsize_width<0)
+    {
+        sciprint("Positive Value Required for Width. 1 value was used instead\n");
+        dstsize_width=1;
+    }
+    if((dstsize_width != image.cols*2) && (dstsize_width != image.cols*2+1) && (dstsize_width != image.cols*2-1))
+    {
+        sciprint("Incorrect dstsize_width value was used. src.cols*2+1 value was calculated and used instead\n");
+        dstsize_width = image.cols*2+1;
+    }
+    if((dstsize_height != image.rows*2) && (dstsize_height != image.rows*2+1) && (dstsize_height != image.rows*2-1))
+    {
+        sciprint("Incorrect dstsize_height value was used. src.rows*2+1 value was calculated and used instead\n");
+        dstsize_height = image.rows*2+1;
+    }
+
+    Mat new_image(dstsize_height,dstsize_width,image.type());
+
+    if(strcmp(borderType[0], "BORDER_CONSTANT") == 0)
+        border = BORDER_CONSTANT;
+    else if(strcmp(borderType[0], "BORDER_REPLICATE") == 0)
+        border = BORDER_REPLICATE;
+    else if(strcmp(borderType[0], "BORDER_REFLECT") == 0)
+        border = BORDER_REFLECT;
+    else if(strcmp(borderType[0], "BORDER_REFLECT_101") == 0)
+        border = BORDER_REFLECT_101;
+    else if(strcmp(borderType[0], "BORDER_WRAP") == 0)
+        border = BORDER_WRAP;
+    else
+        border = BORDER_DEFAULT;
+
+    pyrDown(image,new_image,Size(dstsize_width,dstsize_height),border);
+
+    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;
+
+  }
+/* ==================================================================== */
+}
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