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/***************************************************
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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