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-rw-r--r--codec/j2k_to_image.c350
1 files changed, 350 insertions, 0 deletions
diff --git a/codec/j2k_to_image.c b/codec/j2k_to_image.c
new file mode 100644
index 00000000..9c4b1576
--- /dev/null
+++ b/codec/j2k_to_image.c
@@ -0,0 +1,350 @@
+/* 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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