First CommitHEADmaster

1 files changed, 311 insertions, 0 deletions

diff --git a/sci_gateway1/cpp/opencv_puttext.cpp b/sci_gateway1/cpp/opencv_puttext.cpp
new file mode 100644
index 0000000..97bf62c
--- /dev/null
+++ b/sci_gateway1/cpp/opencv_puttext.cpp
@@ -0,0 +1,311 @@
+/********************************************************
+    Author: Abhilasha Sancheti & Sukul Bagai
+*********************************************************
+   return_image = puttext(image ,x1 ,y1 ,fontscale,r_value,g_value,b_value,text,fontface ,thickness,linetype,bottomleft(0/1));
+********************************************************/
+
+#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_puttext(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr=0;
+    int iRows=0,iCols=0;
+    int *piLen = NULL;
+    int *piLen2 = NULL;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int *piAddr4  = NULL;
+    int *piAddr5  = NULL;
+    int *piAddr6  = NULL;
+    int *piAddr7  = NULL;
+    int *piAddr8  = NULL;
+    int *piAddr9  = NULL;
+    int *piAddr10  = NULL;
+    int *piAddr11 = NULL;
+    int *piAddr12 = NULL;
+    int i,j,k , bottom , fontFace;
+    char **fontface = NULL,**text= NULL;
+    double thickness=1 ,linetype=8,bottomleft ;
+    double x1,y1,fontscale,r_value,g_value,b_value;
+    bool bottomLeftOrigin;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 9, 12);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+    
+    Mat src;
+    retrieveImage(src,1);
+    
+    //for value of x coordinate of  point of bootom-left corner of the text string
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr2,&x1);
+     if(intErr)
+      return intErr;
+
+    //for value of y coordinate of point of bootom-left corner of the text string
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3 ,&y1);
+    if(intErr)
+      return intErr;
+
+    //for value of fontscale
+    sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4,&fontscale);
+     if(intErr)
+      return intErr;
+ 
+    //for value of R value of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr5,&r_value);
+     if(intErr)
+      return intErr;
+  
+      //for value of G value of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
+    if (sciErr.iErr) 
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr6 ,&g_value);
+    if(intErr)
+      return intErr;
+
+    //for value of Bvalue of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr7 ,&b_value);
+    if(intErr)
+      return intErr;
+    
+    /// for text to be written on the image 
+    //Syntax : SciErr getMatrixOfString(void* _pvCtx, int* _piAddress, int* _piRows, int* _piCols, int* _piLength, char** _pstStrings)
+    //fisrt call to retrieve dimensions
+    sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
+   //checking for error if any
+   if (sciErr.iErr)
+   {
+    printError(&sciErr, 0);
+    return 0;
+   }
+    sciErr = getMatrixOfString(pvApiCtx, piAddr8, &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, piAddr8, &iRows, &iCols, piLen, NULL);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+
+    text = (char**)malloc(sizeof(char*) * iRows * iCols);
+    for(i = 0 ; i < iRows * iCols ; i++)
+    {
+        text[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
+    }
+    //third call to retrieve data
+    sciErr = getMatrixOfString(pvApiCtx, piAddr8, &iRows, &iCols, piLen, text);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    
+    ///for the fontface of text
+    sciErr = getVarAddressFromPosition(pvApiCtx,9,&piAddr9);
+    //checking for error if any
+    if (sciErr.iErr)
+    {
+     printError(&sciErr, 0);
+     return 0;
+    }
+     sciErr = getMatrixOfString(pvApiCtx, piAddr9, &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, piAddr9, &iRows, &iCols, piLen2, NULL);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+
+    fontface = (char**)malloc(sizeof(char*) * iRows * iCols);
+    for(i = 0 ; i < iRows * iCols ; i++)
+    {
+        fontface[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
+    }
+    //third call to retrieve data
+    sciErr = getMatrixOfString(pvApiCtx, piAddr9, &iRows, &iCols, piLen2, fontface);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+   
+    // for thickness of text
+    sciErr = getVarAddressFromPosition(pvApiCtx,10,&piAddr10);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr10,&thickness);
+    if(intErr)
+      return intErr;
+
+   //for line type of text default: 8 
+    sciErr = getVarAddressFromPosition(pvApiCtx,11,&piAddr11);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+  
+    intErr = getScalarDouble(pvApiCtx, piAddr11,&linetype);
+    if(intErr)
+      return intErr;
+
+    // for shift in line defulat : 0
+     sciErr = getVarAddressFromPosition(pvApiCtx,12,&piAddr12);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    
+    intErr = getScalarDouble(pvApiCtx, piAddr12,&bottomleft);
+    if(intErr)
+      return intErr;
+
+   
+    if (bottomleft == 0)
+        bottomLeftOrigin = false;
+    else if (bottomleft == 1)
+        bottomLeftOrigin = true;
+    else
+    {
+       bottomLeftOrigin = false;
+       sciprint("Only 0 and 1 acceptable , taking false instead");  
+    }
+    /// setting fontface  FONT_HERSHEY_SIMPLEX, FONT_HERSHEY_PLAIN, FONT_HERSHEY_DUPLEX, FONT_HERSHEY_COMPLEX, FONT_HERSHEY_TRIPLEX, FONT_HERSHEY_COMPLEX_SMALL,
+    // FONT_HERSHEY_SCRIPT_SIMPLEX, or FONT_HERSHEY_SCRIPT_COMPLEX,
+    if(strcmp(fontface[0],"FONT_HERSHEY_SIMPLEX")==0)
+           fontFace = FONT_HERSHEY_SIMPLEX;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_PLAIN")==0)
+          fontFace= FONT_HERSHEY_PLAIN;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_DUPLEX")==0)
+          fontFace= FONT_HERSHEY_DUPLEX;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_COMPLEX")==0)
+          fontFace= FONT_HERSHEY_COMPLEX;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_TRIPLEX")==0)
+          fontFace = FONT_HERSHEY_TRIPLEX;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_COMPLEX_SMALL")==0)
+          fontFace = FONT_HERSHEY_COMPLEX_SMALL;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_SCRIPT_SIMPLEX")==0)
+         fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX;
+    else if (strcmp(fontface[0],"FONT_HERSHEY_SCRIPT_COMPLEX")==0)
+         fontFace = FONT_HERSHEY_SCRIPT_COMPLEX;
+    else
+    {
+        sciprint("Invalid fontface given. FONT_HERSHEY_PLAIN was used instead");
+        fontFace = FONT_HERSHEY_PLAIN;
+    }
+    //temporary pt variable, to use in function as bottom left corner
+    Point pt1(x1,y1);
+     /// checking the parmeters for correct values   
+    if( r_value <0 || r_value >255)
+     {
+          r_value=0;
+          sciprint(" r value of colour should be between 0 and 255 , using 0 instead");
+     }
+     if( g_value <0 || g_value >255)
+     {
+          g_value=0;
+          sciprint("  g value of colour should be between 0 and 255 , using 0 instead");
+     }
+    if( b_value <0 || b_value >255)
+     {
+          b_value=0;
+          sciprint(" b value of colour should be between 0 and 255 , using 0 instead");
+     }
+    if ((linetype!=0) && (linetype!=4)&& (linetype!=8))
+    {
+             linetype=8;
+             sciprint("Only 0/4/8 allowed , using 8 instead");
+     }
+    
+           
+  
+   //syntax: putText(Mat& img, const string& text, Point org, int fontFace, double fontScale, Scalar color, int thickness=1, int lineType=8, bool bottomLeftOrigin=false )
+    putText( src, text[0], pt1, fontFace, fontscale, Scalar(b_value,g_value,r_value), thickness, linetype, bottomLeftOrigin );
+
+    string tempstring = type2str(src.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker,src,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;
+
+
+ }
+
+}
+