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Bug fixed in pgx-format

This commit is contained in:
Antonin Descampe 2004-07-09 10:12:16 +00:00
parent af26e8504e
commit 132d894726
1 changed files with 16 additions and 15 deletions
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31
codec/j2k_to_image.c
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@ -47,13 +47,13 @@ int main(int argc, char **argv)
j2k_cp_t *cp;
j2k_option_t option;
int w, wr, wrr, h, hr, hrr, max;
int i, image_type = -1, compno, pad;
int i, image_type = -1, compno, pad,j;
int adjust;
jp2_struct_t * jp2_struct;
if (argc < 3) {
fprintf(stderr,
"usage: %s j2k-file image-file -reduce n (<- optional)\n",
"usage: %s j2k-file image-file [-reduce n]\n",
argv[0]);
return 1;
}
@ -94,6 +94,8 @@ int main(int argc, char **argv)
if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
|| (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
image_type = 0;
dest--;
*dest = '\0';
}
if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
@ -290,10 +292,11 @@ int main(int argc, char **argv)
for (compno = 0; compno < img->numcomps; compno++) {
j2k_comp_t *comp = &img->comps[compno];
char name[256];
if (img->numcomps > 1)
sprintf(name, "%d_%s", compno, argv[2]);
else
sprintf(name, "%s", argv[2]);
int nbytes=0;
//if (img->numcomps > 1)
sprintf(name, "%s-%d.pgx", argv[2], compno);
//else
//sprintf(name, "%s.pgx", argv[2]);
f = fopen(name, "wb");
// w = ceildiv(img->x1 - img->x0, comp->dx);
@ -308,18 +311,16 @@ int main(int argc, char **argv)
hr = int_ceildivpow2(img->comps[compno].h,
img->comps[compno].factor);
fprintf(f, "PG LM %c %d %d %d\n", comp->sgnd ? '-' : '+',
fprintf(f, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+',
comp->prec, wr, hr);
if (comp->prec <= 8) nbytes=1;
else if (comp->prec <= 16) nbytes=2;
else nbytes=4;
for (i = 0; i < wr * hr; i++) {
int v = img->comps[compno].data[i / wr * w + i % wr];
if (comp->prec <= 8) {
char c = (char) v;
fwrite(&c, 1, 1, f);
} else if (comp->prec <= 16) {
short s = (short) v;
fwrite(&s, 2, 1, f);
} else {
fwrite(&v, 4, 1, f);
for (j=nbytes-1 ; j>=0 ; j--) {
char byte=(char)(v>>(j*8));
fwrite(&byte, 1, 1, f);
}
}
fclose(f);