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/********************************************************
Author: Abhilasha Sancheti & Sukul Bagai
*********************************************************
return_image = arrowedline(image , x1 , y1 , x2,y2,r_value,g_value,b_value,thickness,linetype,shift,tiplength);
********************************************************/
#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_arrowedline(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 *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;
double thickness=1 , linetype=8,shift =0 ,tiplength=0.1;
double x1,y1,x2,y2,r_value,g_value,b_value;
//checking input argument
CheckInputArgument(pvApiCtx, 8, 12);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat src;
retrieveImage(src,1);
//for value of x coordinate of first point
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 first point
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 x coordinate of second point
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4 ,&x2);
if(intErr)
return intErr;
///for value of y coordinate of second point
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5 ,&y2);
if(intErr)
return intErr;
//for value of R value of colour
sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr6,&r_value);
if(intErr)
return intErr;
// for G value of colour
sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr7,&g_value);
if(intErr)
return intErr;
// for B value of colour
sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr8,&b_value);
if(intErr)
return intErr;
// for thickness of circle default: 1
sciErr = getVarAddressFromPosition(pvApiCtx,9,&piAddr9);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr9 ,&thickness);
if(intErr)
return intErr;
//for line type of circle default: 8
sciErr = getVarAddressFromPosition(pvApiCtx,10,&piAddr10);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr10,&linetype);
if(intErr)
return intErr;
// for shift in line defulat : 0
sciErr = getVarAddressFromPosition(pvApiCtx,11,&piAddr11);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Syntax: sciErr = getMatrixOfInteger8(pvApiCtx, piAddr8, &iRows8, &iCols8, &pcData);
intErr = getScalarDouble(pvApiCtx, piAddr11 ,&shift);
if(intErr)
return intErr;
// for tiplength of arrow default : 0.1
sciErr = getVarAddressFromPosition(pvApiCtx,12,&piAddr12);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Syntax: sciErr = getMatrixOfInteger8(pvApiCtx, piAddr8, &iRows8, &iCols8, &pcData);
intErr = getScalarDouble(pvApiCtx, piAddr12,&tiplength);
if(intErr)
return intErr;
//temporary pt variable, to use in function as centre
Point pt1(x1,y1);
Point pt2(x2,y2);
/// 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\n");
}
if( g_value <0 || g_value >255)
{
g_value=0;
sciprint(" g value of colour should be between 0 and 255 , using 0 instead\n");
}
if( b_value <0 || b_value >255)
{
b_value=0;
sciprint(" b value of colour should be between 0 and 255 , using 0 instead\n");
}
if ((linetype!=0) && (linetype!=4)&& (linetype!=8))
{
linetype=8;
sciprint("Only 0/4/8 allowed , using 8 instead");
}
//calling the opencv function
arrowedLine( src, pt1, pt2, Scalar(b_value,g_value,r_value), thickness, linetype, shift, tiplength);
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;
}
}
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