First CommitHEADmaster

1 files changed, 188 insertions, 0 deletions

diff --git a/sci_gateway1/cpp/opencv_getTextSize.cpp b/sci_gateway1/cpp/opencv_getTextSize.cpp
new file mode 100644
index 0000000..150b8ec
--- /dev/null
+++ b/sci_gateway1/cpp/opencv_getTextSize.cpp
@@ -0,0 +1,188 @@
+/***************************************************
+Author : Sukul Bagai , Abhilasha Sancheti
+****************************************************
+Usage : [size,baseline] = getTextSize("<input text>","<fontface>",fontscale,thickness);
+***************************************************/
+
+#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_getTextSize(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    int iRows=0,iCols=0;
+    int *piAddr = NULL;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int *piAddr4  = NULL;
+    int *piLen = NULL;
+    int *piLen2 = NULL;
+    char **pstData = NULL;
+    char **pstData2 = NULL;
+    double font_scale = 0,thickness = 0;
+    int i;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 4, 4);
+    CheckOutputArgument(pvApiCtx, 2, 2) ;
+
+    //for string
+    sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
+    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, 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;
+    }
+
+    pstData = (char**)malloc(sizeof(char*) * iRows * iCols);
+    for(i = 0 ; i < iRows * iCols ; i++)
+    {
+        pstData[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
+    }
+    //third call to retrieve data
+    sciErr = getMatrixOfString(pvApiCtx, piAddr, &iRows, &iCols, piLen, pstData);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+
+    //for fontface
+    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;
+    }
+    piLen2 = (int*)malloc(sizeof(int) * iRows * iCols);
+    //second call to retrieve length of each string
+    sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen2, NULL);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+
+    pstData2 = (char**)malloc(sizeof(char*) * iRows * iCols);
+    for(i = 0 ; i < iRows * iCols ; i++)
+    {
+        pstData2[i] = (char*)malloc(sizeof(char) * (piLen2[i] + 1));//+ 1 for null termination
+    }
+    //third call to retrieve data
+    sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen2, pstData2);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+
+    //for value of font scale
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3, &font_scale);
+    if(intErr)
+        return intErr;
+
+    //for value of thickness
+    sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4, &thickness);
+    if(intErr)
+        return intErr;
+
+    int fontFace;
+
+    if(strcmp(pstData2[0],"FONT_HERSHEY_SIMPLEX")==0)
+           fontFace = FONT_HERSHEY_SIMPLEX;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_PLAIN")==0)
+          fontFace= FONT_HERSHEY_PLAIN;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_DUPLEX")==0)
+          fontFace= FONT_HERSHEY_DUPLEX;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_COMPLEX")==0)
+          fontFace= FONT_HERSHEY_COMPLEX;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_TRIPLEX")==0)
+          fontFace = FONT_HERSHEY_TRIPLEX;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_COMPLEX_SMALL")==0)
+          fontFace = FONT_HERSHEY_COMPLEX_SMALL;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_SCRIPT_SIMPLEX")==0)
+         fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX;
+    else if (strcmp(pstData2[0],"FONT_HERSHEY_SCRIPT_COMPLEX")==0)
+         fontFace = FONT_HERSHEY_SCRIPT_COMPLEX;
+
+    int baseline;
+    Size sz = getTextSize(pstData[0],fontFace,font_scale,thickness,&baseline); 
+    double tempsize[2];
+    tempsize[0]=sz.width;
+    tempsize[1]=sz.height;
+    double returnbaseline = (double)baseline;
+
+    sciErr = createMatrixOfDouble(pvApiCtx,nbInputArgument(pvApiCtx)+1,1,2,tempsize);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr,0);
+        return 0;
+    }
+    sciErr = createMatrixOfDouble(pvApiCtx,nbInputArgument(pvApiCtx)+2,1,1,&returnbaseline);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr,0);
+        return 0;
+    }
+
+    //Assigning the list as the Output Variable
+    AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
+    AssignOutputVariable(pvApiCtx, 2) = nbInputArgument(pvApiCtx) + 2;
+    //Returning the Output Variables as arguments to the Scilab environment
+    ReturnArguments(pvApiCtx);
+    return 0;
+
+  }
+/* ==================================================================== */
+}
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