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/********************************
Author: Sravanthi Kota Venkata
********************************/
#include "stitch.h"
F2D* maxWindow(F2D* im, I2D* window)
{
int exR, exC, rows, cols, tr, tc, i, j, k;
F2D *out, *temp;
float t;
int m;
exR = asubsref(window,0)/2;
exC = asubsref(window,1)/2;
rows = im->height;
cols = im->width;
tr = rows+exR-1;
tc = cols+exC-1;
temp = fDeepCopy(im);
out = fMallocHandle(rows, cols);
for(i=0; i<rows; i++)
{
for(j=0; j<cols; j++)
{
t = 0;
for(k=-exR; k<=exR; k++)
{
for(m=-exC; m<=exC; m++)
{
if( (i+k) < 0 || (i+k) >= rows || (j+m) < 0 || (j+m) >= cols)
continue;
if( subsref(temp,(i+k),(j+m)) > t)
t = subsref(temp,(i+k),(j+m));
}
}
subsref(out,i,j) = t;
}
}
fFreeHandle(temp);
return out;
}
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