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#include <stdio.h>
#include <stdlib.h>
#include "bitmap.h"
int
main (int argc, char *argv[])
{
int SIZE;
struct BM *map, *map2;
int i, x, y;
int dump;
FILE *fp;
if (argc < 2)
SIZE = 11;
else
SIZE = atoi (argv[1]);
if(NULL != getenv ("NODUMP"))
dump = 0;
else
dump = 1;
map = BM_create (SIZE, SIZE);
/* turn on bits in X pattern */
for (i = 0 ; i < SIZE ; i++)
{
BM_set (map, i, i, 1);
BM_set (map, (SIZE-1)-i, i, 1);
}
if (dump)
dump_map (map);
fprintf (stdout, "Size = %d\n", BM_get_map_size (map));
fprintf (stdout, "\n\n");
/* now invert it */
for (y = 0 ; y < SIZE ; y++)
for (x = 0 ; x < SIZE ; x++)
BM_set(map, x, y, !BM_get (map, x, y));
if (dump)
dump_map (map);
fprintf (stdout, "Size = %d\n", BM_get_map_size (map));
{
fp = fopen ("dumpfile", "w");
BM_file_write (fp, map);
fclose (fp);
fp = fopen ("dumpfile", "r");
map2 = BM_file_read (fp);
fclose (fp);
dump_map (map2);
}
BM_destroy (map);
BM_destroy (map2);
}
int
dump_map (struct BM *map)
{
int x, y;
for (y = 0 ; y < map->rows ; y++)
{
for (x = 0 ; x < map->cols ; x++)
{
fprintf (stdout, "%c", BM_get(map, x, y) ? '#' : '.');
}
fprintf (stdout, "\n");
}
}
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