/* 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 #include #include //#include 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, h, max; int i, image_type = -1, compno; int adjust; 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--; S3 = *dest; dest--; S2 = *dest; dest--; S1 = *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, "!! 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; if (S1 == 'j' && S2 == '2' && S3 == 'k') { if (!j2k_decode(src, len, &img, &cp)) { fprintf(stderr, "j2k_to_image: failed to decode image!\n"); return 1; } } else { if (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; } } else { fprintf(stderr,"j2k_to_image : Unknown format image *.%c%c%c [only *.j2k or *.jpt]!! \n",S1,S2,S3); return 1; } } 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); h = ceildiv(img->y1 - img->y0, img->comps[0].dy); //max = (1 << img->comps[0].prec) - 1; max =img->comps[0].prec>8? 255:(1 << img->comps[0].prec) - 1; fprintf(f, "P6\n%d %d\n%d\n", w, h, max); adjust=img->comps[0].prec>8?img->comps[0].prec-8:0; for (i = 0; i < w * h; i++) { char r, g, b; r = img->comps[0].data[i]; r+=(img->comps[0].sgnd? 1 << (img->comps[0].prec-1):0); r=r>>adjust; g = img->comps[1].data[i]; g+=(img->comps[1].sgnd? 1 << (img->comps[1].prec-1):0); g=g>>adjust; b = img->comps[2].data[i]; b+=(img->comps[2].sgnd? 1 << (img->comps[2].prec-1):0); b=b>>adjust; fprintf(f, "%c%c%c", r, g, b); } 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); h = ceildiv(img->y1 - img->y0, img->comps[compno].dy); max =img->comps[compno].prec>8? 255:(1 << img->comps[compno].prec) - 1; fprintf(f, "P5\n%d %d\n%d\n", w, h, max); adjust=img->comps[compno].prec>8?img->comps[compno].prec-8:0; for (i = 0; i < w * h; i++) { char l; l = img->comps[compno].data[i]; l+=(img->comps[compno].sgnd? 1 << (img->comps[compno].prec-1):0); l=l>>adjust; fprintf(f, "%c", l); } fclose(f); } } break ; /* ------------------------ / */ /* / / */ /* / FORMAT : PGX / */ /* / / */ /* /----------------------- / */ case 0: /* PGX */ 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]); 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); } 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); 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); } break; default : break; } return 0; }