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-rw-r--r--jpwl/decoder/jpwldec/j2k_to_image.c561
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diff --git a/jpwl/decoder/jpwldec/j2k_to_image.c b/jpwl/decoder/jpwldec/j2k_to_image.c
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+/* Copyright (c) 2001 David Janssens
+ * Copyright (c) 2002-2003 Yannick Verschueren
+ * Copyright (c) 2002-2003 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 <string.h>
+
+extern int cslen; // Aggiunta in JPWL (per gestire l'inserimento di RED nella CS!)
+
+int ceildiv(int a, int b)
+{
+ return (a + b - 1) / b;
+}
+
+int main(int argc, char **argv)
+{
+ FILE *f;
+ char *src, *src_name;
+ char *dest, S1, S2, S3;
+ int len;
+
+ j2k_image_t img;
+
+ j2k_cp_t cp;
+ int w, wr, wrr, h, hr, hrr, max;
+ 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]\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];
+
+ cp.reduce_on = 0;
+ cp.reduce_value = 0;
+
+ /* OPTION REDUCE IS ACTIVE */
+ if (argc == 5) {
+ if (strcmp(argv[3], "-reduce")) {
+ fprintf(stderr,
+ "usage: options " "-reduce n"
+ " where n is the factor of reduction [%s]\n", argv[3]);
+ return 1;
+ }
+ cp.reduce_on = 1;
+ sscanf(argv[4], "%d", &cp.reduce_value);
+ }
+
+ while (*dest) {
+ dest++;
+ }
+ dest--;
+ S3 = *dest;
+ dest--;
+ S2 = *dest;
+ dest--;
+ S1 = *dest;
+
+ 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')
+ || (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,
+ "!! Unrecognized format for infile : %c%c%c [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",
+ S1, S2, S3);
+ 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);
+
+ src_name = argv[1];
+ while (*src_name) {
+ src_name++;
+ }
+ src_name--;
+ S3 = *src_name;
+ src_name--;
+ S2 = *src_name;
+ src_name--;
+ S1 = *src_name;
+
+ /* J2K format */
+ if ((S1 == 'j' && S2 == '2' && S3 == 'k')
+ || (S1 == 'J' && S2 == '2' && S3 == 'K') || (S1 == 'j' && S2 == '2'
+ && S3 == 'c')
+ || (S1 == 'J' && S2 == '2' && S3 == 'C')) {
+ if (!j2k_decode(src, len, &img, &cp)) {
+ fprintf(stderr, "j2k_to_image: failed to decode image!\n");
+ return 1;
+ }
+ }
+
+ /* JP2 format */
+ else if ((S1 == 'j' && S2 == 'p' && S3 == '2')
+ || (S1 == 'J' && S2 == 'P' && S3 == '2')) {
+ jp2_struct = (jp2_struct_t *) malloc(sizeof(jp2_struct_t));
+
+ jp2_struct->image = &img;
+
+ if (jp2_decode(src, len, jp2_struct, &cp)) {
+ fprintf(stderr, "j2k_to_image: failed to decode image!\n");
+ return 1;
+ }
+ /* Insert code here if you want to create actions on jp2_struct before deleting it */
+ free(jp2_struct);
+ }
+
+ /* JPT format */
+ else if ((S1 == 'j' && S2 == 'p' && S3 == 't')
+ || (S1 == 'J' && S2 == 'P' && S3 == 'T')) {
+ if (!j2k_decode_jpt_stream(src, len, &img, &cp)) {
+ fprintf(stderr, "j2k_to_image: failed to decode image!\n");
+ return 1;
+ }
+ }
+
+ /* otherwise : error */
+ else {
+ fprintf(stderr,
+ "j2k_to_image : Unknown format image *.%c%c%c [only *.j2k, *.jp2, *.jpc or *.jpt]!! \n",
+ S1, S2, S3);
+ return 1;
+ }
+
+ src = realloc(src, cslen); // Aggiunta in JPWL per evitare errori di free a causa
+ // della modifica di CS in caso di aggiunta RED!
+ free(src);
+ /* ------------------ CREATE OUT IMAGE WITH THE RIGHT FORMAT ----------------------- */
+
+ /* ---------------------------- / */
+ /* / / */
+ /* / FORMAT : PNM, PGM or PPM / */
+ /* / / */
+ /* ---------------------------- / */
+
+ switch (image_type) {
+ case 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);
+ // wr = ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor),img.comps[0].dx);
+ wr = img.comps[0].w;
+ wrr = int_ceildivpow2(img.comps[0].w, img.comps[0].factor);
+
+ h = ceildiv(img.y1 - img.y0, img.comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), img.comps[0].dy);
+ hr = img.comps[0].h;
+ hrr = int_ceildivpow2(img.comps[0].h, img.comps[0].factor);
+
+ max = img.comps[0].prec > 8 ? 255 : (1 << img.comps[0].prec) - 1;
+
+ img.comps[0].x0 =
+ int_ceildivpow2(img.comps[0].x0 -
+ int_ceildiv(img.x0, img.comps[0].dx),
+ img.comps[0].factor);
+ img.comps[0].y0 =
+ int_ceildivpow2(img.comps[0].y0 -
+ int_ceildiv(img.y0, img.comps[0].dy),
+ img.comps[0].factor);
+
+
+ fprintf(f, "P6\n# %d %d %d %d %d\n%d %d\n%d\n",
+ cp.tcps[cp.tileno[0]].tccps[0].numresolutions, w, h,
+ img.comps[0].x0, img.comps[0].y0, wrr, hrr, max);
+ adjust = img.comps[0].prec > 8 ? img.comps[0].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ char r, g, b;
+ r = img.comps[0].data[i / wrr * wr + i % wrr];
+ r += (img.comps[0].sgnd ? 1 << (img.comps[0].prec - 1) : 0);
+ r = r >> adjust;
+
+ g = img.comps[1].data[i / wrr * wr + i % wrr];
+ g += (img.comps[1].sgnd ? 1 << (img.comps[1].prec - 1) : 0);
+ g = g >> adjust;
+
+ b = img.comps[2].data[i / wrr * wr + i % wrr];
+ b += (img.comps[2].sgnd ? 1 << (img.comps[2].prec - 1) : 0);
+ b = b >> adjust;
+
+ fprintf(f, "%c%c%c", r, g, b);
+ }
+ free(img.comps[0].data);
+ free(img.comps[1].data);
+ free(img.comps[2].data);
+ fclose(f);
+ } else {
+ 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);
+ // wr = ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor),img.comps[compno].dx);
+ wr = img.comps[compno].w;
+ wrr =
+ int_ceildivpow2(img.comps[compno].w, img.comps[compno].factor);
+
+ h = ceildiv(img.y1 - img.y0, img.comps[compno].dy);
+ // hr = ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), img.comps[compno].dy);
+ hr = img.comps[compno].h;
+ hrr =
+ int_ceildivpow2(img.comps[compno].h, img.comps[compno].factor);
+
+ max =
+ img.comps[compno].prec >
+ 8 ? 255 : (1 << img.comps[compno].prec) - 1;
+
+ img.comps[compno].x0 =
+ int_ceildivpow2(img.comps[compno].x0 -
+ int_ceildiv(img.x0,
+ img.comps[compno].dx),
+ img.comps[compno].factor);
+ img.comps[compno].y0 =
+ int_ceildivpow2(img.comps[compno].y0 -
+ int_ceildiv(img.y0,
+ img.comps[compno].dy),
+ img.comps[compno].factor);
+
+ fprintf(f, "P5\n# %d %d %d %d %d\n%d %d\n%d\n",
+ cp.tcps[cp.tileno[0]].tccps[compno].
+ numresolutions, w, h, img.comps[compno].x0,
+ img.comps[compno].y0, wrr, hrr, max);
+ adjust =
+ img.comps[compno].prec > 8 ? img.comps[compno].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ char l;
+ l = img.comps[compno].data[i / wrr * wr + i % wrr];
+ l += (img.comps[compno].
+ sgnd ? 1 << (img.comps[compno].prec - 1) : 0);
+ l = l >> adjust;
+ fprintf(f, "%c", l);
+ }
+ fclose(f);
+ free(img.comps[compno].data);
+ }
+ }
+ break;
+
+ /* ------------------------ / */
+ /* / / */
+ /* / FORMAT : PGX / */
+ /* / / */
+ /* /----------------------- / */
+ case 0: /* PGX */
+ for (compno = 0; compno < img.numcomps; compno++) {
+ j2k_comp_t *comp = &img.comps[compno];
+ char name[256];
+
+ 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);
+ // wr = ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor), comp->dx);
+ w = img.comps[compno].w;
+ wr = int_ceildivpow2(img.comps[compno].w, img.comps[compno].factor);
+
+ // h = ceildiv(img.y1 - img.y0, comp->dy);
+ // hr = ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), comp->dy);
+ h = img.comps[compno].h;
+ hr = int_ceildivpow2(img.comps[compno].h, img.comps[compno].factor);
+
+ 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];
+
+ for (j = nbytes - 1; j >= 0; j--) {
+
+ char byte = (char) (v >> (j * 8));
+
+ fwrite(&byte, 1, 1, f);
+
+ }
+ }
+ free(img.comps[compno].data);
+ fclose(f);
+ }
+ break;
+
+ /* ------------------------ / */
+ /* / / */
+ /* / FORMAT : BMP / */
+ /* / / */
+ /* /----------------------- / */
+
+ case 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);
+ // wr = ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor), img.comps[0].dx);
+ w = img.comps[0].w;
+ wr = int_ceildivpow2(img.comps[0].w, img.comps[0].factor);
+
+ // h = ceildiv(img.y1 - img.y0, img.comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), img.comps[0].dy);
+ h = img.comps[0].h;
+ hr = int_ceildivpow2(img.comps[0].h, img.comps[0].factor);
+
+ fprintf(f, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) +
+ 54) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 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) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 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 * hr * wr +
+ 3 * hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 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 < wr * hr; i++) {
+ unsigned char R, G, B;
+ /* a modifier */
+ // R = img.comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ R = img.comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ // G = img.comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ G = img.comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ // B = img.comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
+ B = img.comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ fprintf(f, "%c%c%c", B, G, R);
+
+ if ((i + 1) % wr == 0) {
+ for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(f, "%c", 0);
+ }
+ }
+ fclose(f);
+ free(img.comps[1].data);
+ free(img.comps[2].data);
+ } else { /* Gray-scale */
+
+ /* -->> -->> -->> -->>
+
+ 8 bits non code (Gray scale)
+
+ <<-- <<-- <<-- <<-- */
+ f = fopen(argv[2], "wb");
+ // w = ceildiv(img.x1 - img.x0, img.comps[0].dx);
+ // wr = ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor), img.comps[0].dx);
+ w = img.comps[0].w;
+ wr = int_ceildivpow2(img.comps[0].w, img.comps[0].factor);
+
+ // h = ceildiv(img.y1 - img.y0, img.comps[0].dy);
+ // hr = ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), img.comps[0].dy);
+ h = img.comps[0].h;
+ hr = int_ceildivpow2(img.comps[0].h, img.comps[0].factor);
+
+ fprintf(f, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c",
+ (unsigned char) (hr * wr + 54 + 1024 +
+ hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2))
+ >> 8) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2))
+ >> 16) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 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) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 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) (hr * wr + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) &
+ 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) &
+ 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 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 < wr * hr; i++) {
+ /* a modifier !! */
+ // fprintf(f, "%c", img.comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]);
+ fprintf(f, "%c",
+ img.comps[0].data[w * hr - ((i) / (wr) + 1) * w +
+ (i) % (wr)]);
+ /*if (((i + 1) % w == 0 && w % 2))
+ fprintf(f, "%c", 0); */
+ if ((i + 1) % wr == 0) {
+ for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(f, "%c", 0);
+ }
+ }
+ fclose(f);
+ free(img.comps[0].data);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-22 08:28:17 +0000