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openjpeg/codec/j2k_to_image.c
Sebastien Lugan a8de4a648a Initial revision
2003-11-27 10:07:31 +00:00

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/* Copyright (c) 2001 David Janssens
* Copyright (c) 2002 Yannick Verschueren
* Copyright (c) 2002 Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
*
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <openjpeg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int ceildiv(int a, int b)
{
return (a + b - 1) / b;
}
int main(int argc, char **argv)
{
FILE *f;
char *src;
char *dest, S1, S2, S3;
int len;
j2k_image_t *img;
j2k_cp_t *cp;
int w, h, max;
int i, image_type = -1;
if (argc < 3) {
fprintf(stderr, "usage: %s j2k-file pnm-file\n", argv[0]);
return 1;
}
f = fopen(argv[1], "rb");
if (!f) {
fprintf(stderr, "failed to open %s for reading\n", argv[1]);
return 1;
}
dest = argv[2];
while (*dest && *dest != '.') {
dest++;
}
dest++;
S1 = *dest;
dest++;
S2 = *dest;
dest++;
S3 = *dest;
if ((S1 == 'p' && S2 == 'g' && S3 == 'x')
|| (S1 == 'P' && S2 == 'G' && S3 == 'X')) {
image_type = 0;
}
if ((S1 == 'p' && S2 == 'n' && S3 == 'm')
|| (S1 == 'P' && S2 == 'N' && S3 == 'M') || (S1 == 'p' && S2 == 'g'
&& S3 == 'm')
|| (S1 == 'P' && S2 == 'G' && S3 == 'M') || (S1 == 'P' && S2 == 'P'
&& S3 == 'M')
|| (S1 == 'p' && S2 == 'p' && S3 == 'm')) {
image_type = 1;
}
if ((S1 == 'b' && S2 == 'm' && S3 == 'p')
|| (S1 == 'B' && S2 == 'M' && S3 == 'P')) {
image_type = 2;
}
if (image_type == -1) {
fprintf(stderr,
"\033[0;33m!! Unrecognized format for infile [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\033[0;39m\n\n");
return 1;
}
fseek(f, 0, SEEK_END);
len = ftell(f);
fseek(f, 0, SEEK_SET);
src = (char *) malloc(len);
fread(src, 1, len, f);
fclose(f);
if (!j2k_decode(src, len, &img, &cp)) {
fprintf(stderr, "j2k_to_image: failed to decode image!\n");
return 1;
}
free(src);
/* ------------------ CREATE OUT IMAGE WITH THE RIGHT FORMAT ----------------------- */
/* ------------------------ / */
/* / */
/* FORMAT : PNM, PGM or PPM / */
/* / */
/* ------------------------ / */
if (image_type == 1) { /* PNM PGM PPM */
if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
&& img->comps[1].dx == img->comps[2].dx
&& img->comps[0].dy == img->comps[1].dy
&& img->comps[1].dy == img->comps[2].dy
&& img->comps[0].prec == img->comps[1].prec
&& img->comps[1].prec == img->comps[2].prec) {
f = fopen(argv[2], "wb");
w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
max = (1 << img->comps[0].prec) - 1;
fprintf(f, "P6\n%d %d\n%d\n", w, h, max);
for (i = 0; i < w * h; i++) {
char r, g, b;
r = img->comps[0].data[i];
g = img->comps[1].data[i];
b = img->comps[2].data[i];
fprintf(f, "%c%c%c", r, g, b);
}
fclose(f);
} else {
int compno;
for (compno = 0; compno < img->numcomps; compno++) {
char name[256];
if (img->numcomps > 1) {
sprintf(name, "%d.%s", compno, argv[2]);
} else {
sprintf(name, "%s", argv[2]);
}
f = fopen(name, "wb");
w = ceildiv(img->x1 - img->x0, img->comps[compno].dx);
h = ceildiv(img->y1 - img->y0, img->comps[compno].dy);
max = (1 << img->comps[compno].prec) - 1;
fprintf(f, "P5\n%d %d\n%d\n", w, h, max);
for (i = 0; i < w * h; i++) {
char l;
l = img->comps[compno].data[i];
fprintf(f, "%c", l);
}
fclose(f);
}
}
} else
/* ------------------------ / */
/* / */
/* FORMAT : PGX / */
/* / */
/* ------------------------ / */
if (image_type == 0) { /* PGX */
int compno;
for (compno = 0; compno < img->numcomps; compno++) {
j2k_comp_t *comp = &img->comps[compno];
char name[256];
/* sprintf(name, "%s-%d.pgx", argv[2], compno); */
sprintf(name, "%s", argv[2]);
f = fopen(name, "wb");
w = ceildiv(img->x1 - img->x0, comp->dx);
h = ceildiv(img->y1 - img->y0, comp->dy);
fprintf(f, "PG LM %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
w, h);
for (i = 0; i < w * h; i++) {
int v = img->comps[compno].data[i];
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);
}
}
fclose(f);
}
} else
/* ------------------------ / */
/* / */
/* FORMAT : BMP / */
/* / */
/* ------------------------ / */
if (image_type == 2) { /* BMP */
if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
&& img->comps[1].dx == img->comps[2].dx
&& img->comps[0].dy == img->comps[1].dy
&& img->comps[1].dy == img->comps[2].dy
&& img->comps[0].prec == img->comps[1].prec
&& img->comps[1].prec == img->comps[2].prec) {
/* -->> -->> -->> -->>
24 bits color
<<-- <<-- <<-- <<-- */
f = fopen(argv[2], "wb");
w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
fprintf(f, "BM");
/* FILE HEADER */
/* ------------- */
fprintf(f, "%c%c%c%c",
(unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) &
0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) &
0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) &
0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
/* INFO HEADER */
/* ------------- */
fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (unsigned char) ((w) & 0xff),
(unsigned char) ((w) >> 8) & 0xff,
(unsigned char) ((w) >> 16) & 0xff,
(unsigned char) ((w) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (unsigned char) ((h) & 0xff),
(unsigned char) ((h) >> 8) & 0xff,
(unsigned char) ((h) >> 16) & 0xff,
(unsigned char) ((h) >> 24) & 0xff);
fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
fprintf(f, "%c%c%c%c",
(unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
(unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) &
0xff);
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
for (i = 0; i < w * h; i++) {
unsigned char R, G, B;
R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
fprintf(f, "%c%c%c", B, G, R);
if (((i + 1) % w == 0 && w % 2))
fprintf(f, "%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff);
}
fclose(f);
} else { /* Gray-scale */
/* -->> -->> -->> -->>
8 bits non code (Gray scale)
<<-- <<-- <<-- <<-- */
f = fopen(argv[2], "wb");
w = ceildiv(img->x1 - img->x0, img->comps[0].dx);
h = ceildiv(img->y1 - img->y0, img->comps[0].dy);
fprintf(f, "BM");
/* FILE HEADER */
/* ------------- */
fprintf(f, "%c%c%c%c",
(unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
(unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) &
0xff,
(unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) &
0xff,
(unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) &
0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
((54 + 1024) >> 16) & 0xff, ((54 + 1024) >> 24) & 0xff);
/* INFO HEADER */
/* ------------- */
fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (unsigned char) ((w) & 0xff),
(unsigned char) ((w) >> 8) & 0xff,
(unsigned char) ((w) >> 16) & 0xff,
(unsigned char) ((w) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (unsigned char) ((h) & 0xff),
(unsigned char) ((h) >> 8) & 0xff,
(unsigned char) ((h) >> 16) & 0xff,
(unsigned char) ((h) >> 24) & 0xff);
fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
fprintf(f, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
(unsigned char) ((h * w + h * (w % 2)) >> 8) & 0xff,
(unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff,
(unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
fprintf(f, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
}
for (i = 0; i < 256; i++) {
fprintf(f, "%c%c%c%c", i, i, i, 0);
}
for (i = 0; i < w * h; i++) {
fprintf(f, "%c",
img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]);
if (((i + 1) % w == 0 && w % 2))
fprintf(f, "%c", 0);
}
}
return 0;
}
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