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/********************************************************
Author: Abhilasha Sancheti & Sukul Bagai
*********************************************************
return_image = clipline( width, height, x1 , y1 , x2,y2 )
********************************************************/
#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_clipline(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr=0;
int iRows=0,iCols=0;
int *piAddr1 = NULL;
int *piAddr2 = NULL;
int *piAddr3 = NULL;
int *piAddr4 = NULL;
int *piAddr5 = NULL;
int *piAddr6 = NULL;
int i,j,k;
double x1,y1,x2,y2,width,height;
//checking input argument
CheckInputArgument(pvApiCtx, 6, 6);
CheckOutputArgument(pvApiCtx, 1, 1) ;
//for width of the rectangle
sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr1);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr1 ,&width);
if(intErr)
return intErr;
// for height of the rectangle
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr2,&height);
if(intErr)
return intErr;
//for value of x coordinate of first point
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3, &x1);
if(intErr)
return intErr;
//for value of y coordinate of first point
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4,&y1);
if(intErr)
return intErr;
//for value of x coordinate of second point
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5,&x2);
if(intErr)
return intErr;
///for value of y coordinate of second point
sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr6 ,&y2);
if(intErr)
return intErr;
if(height<0)
{
sciprint("Positive Value Required for Height. 1 value was used instead");
height=1;
}
if(width<0)
{
sciprint("Positive Value Required for Width. 1 value was used instead");
width=1;
}
//temporary pt1 variable, to use in function as first line point
Point pt1(x1,y1);
//temporary pt2 variable, to use in function as second line point
Point pt2(x2,y2);
// image size
Size sz(width,height);
Rect r(0,0,width,height);
//// calling open cv clipLine function
bool ans = clipLine( sz , pt1, pt2);
int actualans=(int)ans;
// returning the result to the scilab environment
// Syntax: SciErr createMatrixOfBoolean(void* _pvCtx, int _iVar, int _iRows, int _iCols, const int* _piBool)
intErr= createScalarBoolean(pvApiCtx, nbInputArgument(pvApiCtx) + 1, actualans);
if(intErr)
return intErr;
//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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