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/* cassbeam - a Cassegrain antenna simulator
Copyright (C) August 18, 2003 Walter Brisken
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*/
#include <glib.h>
#include "image-vector.h"
Image newImagefromMatrix(const Matrix M)
{
Image im;
int m, n, i, j;
MatrixType min, max;
n = MatrixSize1(M);
m = MatrixSize2(M);
im = newImage(m, n);
Matrixminmax(M, &min, &max);
for(i = 0; i < m; i++) for(j = 0; j < n; j++)
im->data[j][i] = 255.0*(M[j][i]-min)/(max-min);
return im;
}
Matrix newMatrixfromImage(const Image im)
{
Matrix M;
int m, n, i, j;
m = im->xres;
n = im->yres;
M = newMatrix(n, m);
for(i = 0; i < m; i++) for(j = 0; j < n ; j++)
M[j][i] = im->data[j][i]/255.0;
return M;
}
void saveMatrixaspgm(const Matrix M, const char *filename)
{
Image I;
g_assert(M);
I = newImagefromMatrix(M);
saveImageaspgm(I, filename);
deleteImage(I);
}
/* Note -- this doesn't blank the pad */
Matrix newpaddedMatrixfromImage(const Image im, int rowpad)
{
Matrix M;
int m, n, i, j;
m = im->xres;
n = im->yres;
M = newpaddedMatrix(n, m, rowpad);
for(i = 0; i < m; i++) for(j = 0; j < n ; j++)
M[j][i] = im->data[j][i]/255.0;
return M;
}
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