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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#include <unistd.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <stdint.h>
#include "ctmf.h"
#include "cairoutils.h"
const char* OPTIONS = "h";
int main(int argc, char *args[]) {
int argchar;
//char* progname = args[0];
char *infn = NULL, *outfn = NULL;
unsigned char* img;
int W, H;
unsigned char* bg;
int i, j;
int halfbox = 10;
while ((argchar = getopt (argc, args, OPTIONS)) != -1)
switch (argchar) {
//case '?':
//case 'h':
//printHelp(progname);
//return 0;
default:
return -1;
}
if (optind != argc-2) {
//printHelp(progname);
exit(-1);
}
infn = args[optind];
outfn = args[optind+1];
printf("Reading input %s...\n", infn);
img = cairoutils_read_jpeg(infn, &W, &H);
if (!img) {
fprintf(stderr, "Failed to read input image %s.\n", infn);
exit(-1);
}
printf("Image is %i x %i.\n", W, H);
bg = malloc(W * H * 4);
printf("Filtering...");
for (i=0; i<3; i++) {
printf(" %c...", "RGB"[i]);
fflush(stdout);
ctmf(img + i, bg + i, W, H, 4*W, 4*W, halfbox, 4, 512*1024);
}
printf("\n");
for (i=0; i<(W*H); i++)
for (j=0; j<3; j++) {
int ind = i*4 + j;
if (img[ind] <= bg[ind])
img[ind] = 0;
else
img[ind] -= bg[ind];
}
printf("Writing output...\n");
cairoutils_write_jpeg(outfn, img, W, H);
free(img);
free(bg);
printf("Done!\n");
return 0;
}
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