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/*Function-lab2uint8
Author :Tess Zacharias */
#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
#include<stdio.h>
#include <sciprint.h>
#include<string.h>
using namespace cv;
using namespace std;
extern "C"
{
#include "api_scilab.h"
#include "Scierror.h"
#include "BOOL.h"
#include <localization.h>
struct Color
{
float R,G,B,X,Y,Z,L,a,b;
};
Color lab2uint8(float L, float a, float b)
{
float R1=round(((255*L)/100));
float G1=round(a+128);
float B1=round(b+128);
Color rgb;
rgb.R= R1;
rgb.G = G1;
rgb.B = B1;
return rgb;
}
int opencv_lab2uint8(char *fname, unsigned long fname_len)
{
// Error management variable
SciErr sciErr;
//variable info
int iRows = 0;
int iCols = 0;
int piRows = 0;
int piCols = 0;
int* piAddr=NULL;
int* piAddr1=NULL;
int* piAddr3=NULL;
double *value=NULL;
int* piLen = NULL;
char **val;
int i,j;
int error;
Color out;
double check;
Mat img,dst;
float L,a,b;
int *piAddrNew = NULL;
//checking output argument
CheckOutputArgument(pvApiCtx,1,1);
//checking if number of input arguments are 3
int k=0;
// SciErr getMatrixOfDoubleInList(void* _pvCtx, int* _piParent, int _iItemPos, int* _piRows, int* _piCols, double** _pdblReal)
double *pstDataR = NULL;
double *pstDataG = NULL;
double *pstDataB = NULL;
sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//retrive the matrix of the R values
sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 1, &iRows, &iCols, &pstDataR);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//retrive address of the list
sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//retrive the matrix of the G values
sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 2, &iRows, &iCols, &pstDataG);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//retrive address of the list
sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//retrive the matrix of the B values
sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 3, &iRows, &iCols, &pstDataB);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
int m=0;
double *r1,*g1,*b1;
r1=(double *)malloc(sizeof(double)*iRows*iCols);
g1=(double *)malloc(sizeof(double)*iRows*iCols);
b1=(double *)malloc(sizeof(double)*iRows*iCols);
for(int i=0;i<iRows;i++)
{
for(int j=0;j<iCols;j++)
{
// Vec3d intensity = img.at<Vec3d>(i,j);
L= (pstDataR[k]);
a= (pstDataG[k]);
b= (pstDataB[k++]);
out=lab2uint8(L,a,b);
r1[m]=(out.R);
g1[m]=(out.G);
b1[m++]=(out.B);
}
}
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, 3, &piAddrNew);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Adding the R value matrix to the list
//Syntax : createMatrixOfInteger32InList(void* _pvCtx, int _iVar, int* _piParent, int _iItemPos, int _iRows, int _iCols, const int* _piData)
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 1, iRows,iCols, r1);
free(r1);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Adding the G value matrix to the list
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 2, iRows, iCols, g1);
free(g1);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Adding the B value matrix to the list
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 3, iRows, iCols, b1);
free(b1);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
ReturnArguments(pvApiCtx);
return 0;
}
}
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