codec/convert.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2006-2007, Parvatha Elangovan
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include "openjpeg.h"
  36 #include "../libs/libtiff/tiffio.h"
  37 #include "convert.h"
  38
  39 /*
  40  * Get logarithm of an integer and round downwards.
  41  *
  42  * log2(a)
  43  */
  44 static int int_floorlog2(int a) {
  45         int l;
  46         for (l = 0; a > 1; l++) {
  47                 a >>= 1;
  48         }
  49         return l;
  50 }
  51
  52 /*
  53  * Divide an integer by a power of 2 and round upwards.
  54  *
  55  * a divided by 2^b
  56  */
  57 static int int_ceildivpow2(int a, int b) {
  58         return (a + (1 << b) - 1) >> b;
  59 }
  60
  61 /*
  62  * Divide an integer and round upwards.
  63  *
  64  * a divided by b
  65  */
  66 static int int_ceildiv(int a, int b) {
  67         return (a + b - 1) / b;
  68 }
  69
  70
  71 /* -->> -->> -->> -->>
  72
  73   TGA IMAGE FORMAT
  74
  75  <<-- <<-- <<-- <<-- */
  76
  77 // TGA header definition.
  78 #pragma pack(push,1) // Pack structure byte aligned
  79 typedef struct tga_header
  80 {
  81     uint8   id_length;              /* Image id field length    */
  82     uint8   colour_map_type;        /* Colour map type          */
  83     uint8   image_type;             /* Image type               */
  84     /*
  85     ** Colour map specification
  86     */
  87     uint16  colour_map_index;       /* First entry index        */
  88     uint16  colour_map_length;      /* Colour map length        */
  89     uint8   colour_map_entry_size;  /* Colour map entry size    */
  90     /*
  91     ** Image specification
  92     */
  93     uint16  x_origin;               /* x origin of image        */
  94     uint16  y_origin;               /* u origin of image        */
  95     uint16  image_width;            /* Image width              */
  96     uint16  image_height;           /* Image height             */
  97     uint8   pixel_depth;            /* Pixel depth              */
  98     uint8   image_desc;             /* Image descriptor         */
  99 } tga_header;
 100 #pragma pack(pop) // Return to normal structure packing alignment.
 101
 102 int tga_readheader(FILE *fp, int *bits_per_pixel, int *width, int *height, int *flip_image)
 103 {
 104         int palette_size;
 105         tga_header tga ;
 106
 107         if (!bits_per_pixel || !width || !height || !flip_image)
 108                 return 0;
 109
 110         // Read TGA header
 111         fread((uint8*)&tga, sizeof(tga_header), 1, fp);
 112
 113         *bits_per_pixel = tga.pixel_depth;
 114
 115         *width  = tga.image_width;
 116         *height = tga.image_height ;
 117
 118         // Ignore tga identifier, if present ...
 119         if (tga.id_length)
 120         {
 121                 uint8 *id = (uint8 *) malloc(tga.id_length);
 122                 fread(id, tga.id_length, 1, fp);
 123                 free(id);
 124         }
 125
 126         // Test for compressed formats ... not yet supported ...
 127         // Note :-  9 - RLE encoded palettized.
 128         //                 10 - RLE encoded RGB.
 129         if (tga.image_type > 8)
 130         {
 131                 fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
 132                 return 0 ;
 133         }
 134
 135         *flip_image = !(tga.image_desc & 32);
 136
 137         // Palettized formats are not yet supported, skip over the palette, if present ...
 138         palette_size = tga.colour_map_length * (tga.colour_map_entry_size/8);
 139
 140         if (palette_size>0)
 141         {
 142                 fprintf(stderr, "File contains a palette - not yet supported.");
 143                 fseek(fp, palette_size, SEEK_CUR);
 144         }
 145         return 1;
 146 }
 147
 148 int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height, bool flip_image)
 149 {
 150         tga_header tga;
 151
 152         if (!bits_per_pixel || !width || !height)
 153                 return 0;
 154
 155         memset(&tga, 0, sizeof(tga_header));
 156
 157         tga.pixel_depth = bits_per_pixel;
 158         tga.image_width  = width;
 159         tga.image_height = height;
 160         tga.image_type = 2; // Uncompressed.
 161         tga.image_desc = 8; // 8 bits per component.
 162
 163         if (flip_image)
 164                 tga.image_desc |= 32;
 165
 166         // Write TGA header
 167         fwrite((uint8*)&tga, sizeof(tga_header), 1, fp);
 168
 169         return 1;
 170 }
 171
 172 opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
 173         FILE *f;
 174         opj_image_t *image;
 175         uint32 image_width, image_height, pixel_bit_depth;
 176         uint32 x, y;
 177         int flip_image=0;
 178         opj_image_cmptparm_t cmptparm[4];       /* maximum 4 components */
 179         int numcomps;
 180         OPJ_COLOR_SPACE color_space;
 181         bool mono ;
 182         bool save_alpha;
 183         int subsampling_dx, subsampling_dy;
 184         int i;
 185
 186         f = fopen(filename, "rb");
 187         if (!f) {
 188                 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
 189                 return 0;
 190         }
 191
 192         if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
 193                 return NULL;
 194
 195         // We currently only support 24 & 32 bit tga's ...
 196         if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
 197                 return NULL;
 198
 199         /* initialize image components */
 200         memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
 201
 202         mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16);  // Mono with & without alpha.
 203         save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); // Mono with alpha, or RGB with alpha
 204
 205         if (mono) {
 206                 color_space = CLRSPC_GRAY;
 207                 numcomps = save_alpha ? 2 : 1;
 208         }
 209         else {
 210                 numcomps = save_alpha ? 4 : 3;
 211                 color_space = CLRSPC_SRGB;
 212         }
 213
 214         subsampling_dx = parameters->subsampling_dx;
 215         subsampling_dy = parameters->subsampling_dy;
 216
 217         for (i = 0; i < numcomps; i++) {
 218                 cmptparm[i].prec = 8;
 219                 cmptparm[i].bpp = 8;
 220                 cmptparm[i].sgnd = 0;
 221                 cmptparm[i].dx = subsampling_dx;
 222                 cmptparm[i].dy = subsampling_dy;
 223                 cmptparm[i].w = image_width;
 224                 cmptparm[i].h = image_height;
 225         }
 226
 227         /* create the image */
 228         image = opj_image_create(numcomps, &cmptparm[0], color_space);
 229
 230         if (!image)
 231                 return NULL;
 232
 233         /* set image offset and reference grid */
 234         image->x0 = parameters->image_offset_x0;
 235         image->y0 = parameters->image_offset_y0;
 236         image->x1 =     !image->x0 ? (image_width - 1) * subsampling_dx + 1 : image->x0 + (image_width - 1) * subsampling_dx + 1;
 237         image->y1 =     !image->y0 ? (image_height - 1) * subsampling_dy + 1 : image->y0 + (image_height - 1) * subsampling_dy + 1;
 238
 239         /* set image data */
 240         for (y=0; y < image_height; y++)
 241         {
 242                 int index;
 243
 244                 if (flip_image)
 245                         index = (image_height-y-1)*image_width;
 246                 else
 247                         index = y*image_width;
 248
 249                 if (numcomps==3)
 250                 {
 251                         for (x=0;x<image_width;x++)
 252                         {
 253                                 uint8 r,g,b;
 254                                 fread(&b, 1, 1, f);
 255                                 fread(&g, 1, 1, f);
 256                                 fread(&r, 1, 1, f);
 257
 258                                 image->comps[0].data[index]=r;
 259                                 image->comps[1].data[index]=g;
 260                                 image->comps[2].data[index]=b;
 261                                 index++;
 262                         }
 263                 }
 264                 else if (numcomps==4)
 265                 {
 266                         for (x=0;x<image_width;x++)
 267                         {
 268                                 uint8 r,g,b,a;
 269                                 fread(&b, 1, 1, f);
 270                                 fread(&g, 1, 1, f);
 271                                 fread(&r, 1, 1, f);
 272                                 fread(&a, 1, 1, f);
 273
 274                                 image->comps[0].data[index]=r;
 275                                 image->comps[1].data[index]=g;
 276                                 image->comps[2].data[index]=b;
 277                                 image->comps[3].data[index]=a;
 278                                 index++;
 279                         }
 280                 }
 281                 else {
 282                         fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
 283                 }
 284         }
 285         return image;
 286 }
 287
 288 int imagetotga(opj_image_t * image, const char *outfile) {
 289         int width, height, bpp, x, y;
 290         bool write_alpha;
 291         int i;
 292         uint32 alpha_channel;
 293         float r,g,b,a;
 294         uint8 value;
 295         float scale;
 296         FILE *fdest;
 297
 298         fdest = fopen(outfile, "wb");
 299         if (!fdest) {
 300                 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
 301                 return 1;
 302         }
 303
 304         for (i = 0; i < image->numcomps-1; i++) {
 305                 if ((image->comps[0].dx != image->comps[i+1].dx)
 306                         ||(image->comps[0].dy != image->comps[i+1].dy)
 307                         ||(image->comps[0].prec != image->comps[i+1].prec))     {
 308       fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
 309       return 1;
 310    }
 311         }
 312
 313         width = image->comps[0].w;
 314         height = image->comps[0].h;
 315
 316         // Mono with alpha, or RGB with alpha.
 317         write_alpha = (image->numcomps==2) || (image->numcomps==4);
 318
 319         // Write TGA header
 320         bpp = write_alpha ? 32 : 24;
 321         if (!tga_writeheader(fdest, bpp, width , height, true))
 322                 return 1;
 323
 324         alpha_channel = image->numcomps-1;
 325
 326         scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
 327
 328         for (y=0; y < height; y++) {
 329                 uint32 index=y*width;
 330
 331                 for (x=0; x < width; x++, index++)      {
 332                         r = (float)(image->comps[0].data[index]);
 333
 334                         if (image->numcomps>2) {
 335                                 g = (float)(image->comps[1].data[index]);
 336                                 b = (float)(image->comps[2].data[index]);
 337                         }
 338                         else  {// Greyscale ...
 339                                 g = r;
 340                                 b = r;
 341                         }
 342
 343                         // TGA format writes BGR ...
 344                         value = (uint8)(b*scale);
 345                         fwrite(&value,1,1,fdest);
 346
 347                         value = (uint8)(g*scale);
 348                         fwrite(&value,1,1,fdest);
 349
 350                         value = (uint8)(r*scale);
 351                         fwrite(&value,1,1,fdest);
 352
 353                         if (write_alpha) {
 354                                 a = (float)(image->comps[alpha_channel].data[index]);
 355                                 value = (uint8)(a*scale);
 356                                 fwrite(&value,1,1,fdest);
 357                         }
 358                 }
 359         }
 360
 361         return 0;
 362 }
 363
 364 /* -->> -->> -->> -->>
 365
 366   BMP IMAGE FORMAT
 367
 368  <<-- <<-- <<-- <<-- */
 369
 370 /* WORD defines a two byte word */
 371 typedef unsigned short int WORD;
 372
 373 /* DWORD defines a four byte word */
 374 typedef unsigned long int DWORD;
 375
 376 typedef struct {
 377   WORD bfType;                  /* 'BM' for Bitmap (19776) */
 378   DWORD bfSize;                 /* Size of the file        */
 379   WORD bfReserved1;             /* Reserved : 0            */
 380   WORD bfReserved2;             /* Reserved : 0            */
 381   DWORD bfOffBits;              /* Offset                  */
 382 } BITMAPFILEHEADER_t;
 383
 384 typedef struct {
 385   DWORD biSize;                 /* Size of the structure in bytes */
 386   DWORD biWidth;                /* Width of the image in pixels */
 387   DWORD biHeight;               /* Heigth of the image in pixels */
 388   WORD biPlanes;                /* 1 */
 389   WORD biBitCount;              /* Number of color bits by pixels */
 390   DWORD biCompression;          /* Type of encoding 0: none 1: RLE8 2: RLE4 */
 391   DWORD biSizeImage;            /* Size of the image in bytes */
 392   DWORD biXpelsPerMeter;        /* Horizontal (X) resolution in pixels/meter */
 393   DWORD biYpelsPerMeter;        /* Vertical (Y) resolution in pixels/meter */
 394   DWORD biClrUsed;              /* Number of color used in the image (0: ALL) */
 395   DWORD biClrImportant;         /* Number of important color (0: ALL) */
 396 } BITMAPINFOHEADER_t;
 397
 398 opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) {
 399         int subsampling_dx = parameters->subsampling_dx;
 400         int subsampling_dy = parameters->subsampling_dy;
 401
 402         int i, numcomps, w, h;
 403         OPJ_COLOR_SPACE color_space;
 404         opj_image_cmptparm_t cmptparm[3];       /* maximum of 3 components */
 405         opj_image_t * image = NULL;
 406
 407         FILE *IN;
 408         BITMAPFILEHEADER_t File_h;
 409         BITMAPINFOHEADER_t Info_h;
 410         unsigned char *RGB;
 411         unsigned char *table_R, *table_G, *table_B;
 412         unsigned int j, PAD = 0;
 413
 414         int x, y, index;
 415         int gray_scale = 1, not_end_file = 1;
 416
 417         unsigned int line = 0, col = 0;
 418         unsigned char v, v2;
 419         DWORD W, H;
 420
 421         IN = fopen(filename, "rb");
 422         if (!IN) {
 423                 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
 424                 return 0;
 425         }
 426
 427         File_h.bfType = getc(IN);
 428         File_h.bfType = (getc(IN) << 8) + File_h.bfType;
 429
 430         if (File_h.bfType != 19778) {
 431                 fprintf(stderr,"Error, not a BMP file!\n");
 432                 return 0;
 433         } else {
 434                 /* FILE HEADER */
 435                 /* ------------- */
 436                 File_h.bfSize = getc(IN);
 437                 File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
 438                 File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
 439                 File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
 440
 441                 File_h.bfReserved1 = getc(IN);
 442                 File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
 443
 444                 File_h.bfReserved2 = getc(IN);
 445                 File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
 446
 447                 File_h.bfOffBits = getc(IN);
 448                 File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
 449                 File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
 450                 File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
 451
 452                 /* INFO HEADER */
 453                 /* ------------- */
 454
 455                 Info_h.biSize = getc(IN);
 456                 Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
 457                 Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
 458                 Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
 459
 460                 Info_h.biWidth = getc(IN);
 461                 Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
 462                 Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
 463                 Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
 464                 w = Info_h.biWidth;
 465
 466                 Info_h.biHeight = getc(IN);
 467                 Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
 468                 Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
 469                 Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
 470                 h = Info_h.biHeight;
 471
 472                 Info_h.biPlanes = getc(IN);
 473                 Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
 474
 475                 Info_h.biBitCount = getc(IN);
 476                 Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
 477
 478                 Info_h.biCompression = getc(IN);
 479                 Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
 480                 Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
 481                 Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
 482
 483                 Info_h.biSizeImage = getc(IN);
 484                 Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
 485                 Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
 486                 Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
 487
 488                 Info_h.biXpelsPerMeter = getc(IN);
 489                 Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
 490                 Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
 491                 Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
 492
 493                 Info_h.biYpelsPerMeter = getc(IN);
 494                 Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
 495                 Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
 496                 Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
 497
 498                 Info_h.biClrUsed = getc(IN);
 499                 Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
 500                 Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
 501                 Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
 502
 503                 Info_h.biClrImportant = getc(IN);
 504                 Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
 505                 Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
 506                 Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
 507
 508                 /* Read the data and store them in the OUT file */
 509
 510                 if (Info_h.biBitCount == 24) {
 511                         numcomps = 3;
 512                         color_space = CLRSPC_SRGB;
 513                         /* initialize image components */
 514                         memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
 515                         for(i = 0; i < numcomps; i++) {
 516                                 cmptparm[i].prec = 8;
 517                                 cmptparm[i].bpp = 8;
 518                                 cmptparm[i].sgnd = 0;
 519                                 cmptparm[i].dx = subsampling_dx;
 520                                 cmptparm[i].dy = subsampling_dy;
 521                                 cmptparm[i].w = w;
 522                                 cmptparm[i].h = h;
 523                         }
 524                         /* create the image */
 525                         image = opj_image_create(numcomps, &cmptparm[0], color_space);
 526                         if(!image) {
 527                                 fclose(IN);
 528                                 return NULL;
 529                         }
 530
 531                         /* set image offset and reference grid */
 532                         image->x0 = parameters->image_offset_x0;
 533                         image->y0 = parameters->image_offset_y0;
 534                         image->x1 =     !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
 535                         image->y1 =     !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
 536
 537                         /* set image data */
 538
 539                         /* Place the cursor at the beginning of the image information */
 540                         fseek(IN, 0, SEEK_SET);
 541                         fseek(IN, File_h.bfOffBits, SEEK_SET);
 542
 543                         W = Info_h.biWidth;
 544                         H = Info_h.biHeight;
 545
 546                         /* PAD = 4 - (3 * W) % 4; */
 547                         /* PAD = (PAD == 4) ? 0 : PAD; */
 548                         PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
 549
 550                         RGB = (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));
 551
 552                         fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
 553
 554                         index = 0;
 555
 556                         for(y = 0; y < (int)H; y++) {
 557                                 unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);
 558                                 for(x = 0; x < (int)W; x++) {
 559                                         unsigned char *pixel = &scanline[3 * x];
 560                                         image->comps[0].data[index] = pixel[2]; /* R */
 561                                         image->comps[1].data[index] = pixel[1]; /* G */
 562                                         image->comps[2].data[index] = pixel[0]; /* B */
 563                                         index++;
 564                                 }
 565                         }
 566
 567                         free(RGB);
 568
 569                 } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
 570                         table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
 571                         table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
 572                         table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
 573
 574                         for (j = 0; j < Info_h.biClrUsed; j++) {
 575                                 table_B[j] = getc(IN);
 576                                 table_G[j] = getc(IN);
 577                                 table_R[j] = getc(IN);
 578                                 getc(IN);
 579                                 if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
 580                                         gray_scale = 0;
 581                         }
 582
 583                         /* Place the cursor at the beginning of the image information */
 584                         fseek(IN, 0, SEEK_SET);
 585                         fseek(IN, File_h.bfOffBits, SEEK_SET);
 586
 587                         W = Info_h.biWidth;
 588                         H = Info_h.biHeight;
 589                         if (Info_h.biWidth % 2)
 590                                 W++;
 591
 592                         numcomps = gray_scale ? 1 : 3;
 593                         color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;
 594                         /* initialize image components */
 595                         memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
 596                         for(i = 0; i < numcomps; i++) {
 597                                 cmptparm[i].prec = 8;
 598                                 cmptparm[i].bpp = 8;
 599                                 cmptparm[i].sgnd = 0;
 600                                 cmptparm[i].dx = subsampling_dx;
 601                                 cmptparm[i].dy = subsampling_dy;
 602                                 cmptparm[i].w = w;
 603                                 cmptparm[i].h = h;
 604                         }
 605                         /* create the image */
 606                         image = opj_image_create(numcomps, &cmptparm[0], color_space);
 607                         if(!image) {
 608                                 fclose(IN);
 609                                 return NULL;
 610                         }
 611
 612                         /* set image offset and reference grid */
 613                         image->x0 = parameters->image_offset_x0;
 614                         image->y0 = parameters->image_offset_y0;
 615                         image->x1 =     !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
 616                         image->y1 =     !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
 617
 618                         /* set image data */
 619
 620                         RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
 621
 622                         fread(RGB, sizeof(unsigned char), W * H, IN);
 623                         if (gray_scale) {
 624                                 index = 0;
 625                                 for (j = 0; j < W * H; j++) {
 626                                         if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {
 627                                                 image->comps[0].data[index] = table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
 628                                                 index++;
 629                                         }
 630                                 }
 631
 632                         } else {
 633                                 index = 0;
 634                                 for (j = 0; j < W * H; j++) {
 635                                         if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {
 636                                                 unsigned char pixel_index = RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
 637                                                 image->comps[0].data[index] = table_R[pixel_index];
 638                                                 image->comps[1].data[index] = table_G[pixel_index];
 639                                                 image->comps[2].data[index] = table_B[pixel_index];
 640                                                 index++;
 641                                         }
 642                                 }
 643                         }
 644                         free(RGB);
 645       free(table_R);
 646       free(table_G);
 647       free(table_B);
 648                 } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
 649                         table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
 650                         table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
 651                         table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
 652
 653                         for (j = 0; j < Info_h.biClrUsed; j++) {
 654                                 table_B[j] = getc(IN);
 655                                 table_G[j] = getc(IN);
 656                                 table_R[j] = getc(IN);
 657                                 getc(IN);
 658                                 if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
 659                                         gray_scale = 0;
 660                         }
 661
 662                         numcomps = gray_scale ? 1 : 3;
 663                         color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;
 664                         /* initialize image components */
 665                         memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
 666                         for(i = 0; i < numcomps; i++) {
 667                                 cmptparm[i].prec = 8;
 668                                 cmptparm[i].bpp = 8;
 669                                 cmptparm[i].sgnd = 0;
 670                                 cmptparm[i].dx = subsampling_dx;
 671                                 cmptparm[i].dy = subsampling_dy;
 672                                 cmptparm[i].w = w;
 673                                 cmptparm[i].h = h;
 674                         }
 675                         /* create the image */
 676                         image = opj_image_create(numcomps, &cmptparm[0], color_space);
 677                         if(!image) {
 678                                 fclose(IN);
 679                                 return NULL;
 680                         }
 681
 682                         /* set image offset and reference grid */
 683                         image->x0 = parameters->image_offset_x0;
 684                         image->y0 = parameters->image_offset_y0;
 685                         image->x1 =     !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
 686                         image->y1 =     !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
 687
 688                         /* set image data */
 689
 690                         /* Place the cursor at the beginning of the image information */
 691                         fseek(IN, 0, SEEK_SET);
 692                         fseek(IN, File_h.bfOffBits, SEEK_SET);
 693
 694                         RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));
 695
 696                         while (not_end_file) {
 697                                 v = getc(IN);
 698                                 if (v) {
 699                                         v2 = getc(IN);
 700                                         for (i = 0; i < (int) v; i++) {
 701                                                 RGB[line * Info_h.biWidth + col] = v2;
 702                                                 col++;
 703                                         }
 704                                 } else {
 705                                         v = getc(IN);
 706                                         switch (v) {
 707                                                 case 0:
 708                                                         col = 0;
 709                                                         line++;
 710                                                         break;
 711                                                 case 1:
 712                                                         line++;
 713                                                         not_end_file = 0;
 714                                                         break;
 715                                                 case 2:
 716                                                         fprintf(stderr,"No Delta supported\n");
 717                                                         opj_image_destroy(image);
 718                                                         fclose(IN);
 719                                                         return NULL;
 720                                                 default:
 721                                                         for (i = 0; i < v; i++) {
 722                                                                 v2 = getc(IN);
 723                                                                 RGB[line * Info_h.biWidth + col] = v2;
 724                                                                 col++;
 725                                                         }
 726                                                         if (v % 2)
 727                                                                 v2 = getc(IN);
 728                                                         break;
 729                                         }
 730                                 }
 731                         }
 732                         if (gray_scale) {
 733                                 index = 0;
 734                                 for (line = 0; line < Info_h.biHeight; line++) {
 735                                         for (col = 0; col < Info_h.biWidth; col++) {
 736                                                 image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];
 737                                                 index++;
 738                                         }
 739                                 }
 740                         } else {
 741                                 index = 0;
 742                                 for (line = 0; line < Info_h.biHeight; line++) {
 743                                         for (col = 0; col < Info_h.biWidth; col++) {
 744                                                 unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];
 745                                                 image->comps[0].data[index] = table_R[pixel_index];
 746                                                 image->comps[1].data[index] = table_G[pixel_index];
 747                                                 image->comps[2].data[index] = table_B[pixel_index];
 748                                                 index++;
 749                                         }
 750                                 }
 751                         }
 752                         free(RGB);
 753       free(table_R);
 754       free(table_G);
 755       free(table_B);
 756         } else {
 757                 fprintf(stderr,
 758                         "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
 759         }
 760         fclose(IN);
 761  }
 762
 763  return image;
 764 }
 765
 766 int imagetobmp(opj_image_t * image, const char *outfile) {
 767         int w, h;
 768         int i, pad;
 769         FILE *fdest = NULL;
 770         int adjustR, adjustG, adjustB;
 771
 772         if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
 773                 && image->comps[1].dx == image->comps[2].dx
 774                 && image->comps[0].dy == image->comps[1].dy
 775                 && image->comps[1].dy == image->comps[2].dy
 776                 && image->comps[0].prec == image->comps[1].prec
 777                 && image->comps[1].prec == image->comps[2].prec) {
 778
 779                 /* -->> -->> -->> -->>
 780                 24 bits color
 781                 <<-- <<-- <<-- <<-- */
 782
 783                 fdest = fopen(outfile, "wb");
 784                 if (!fdest) {
 785                         fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
 786                         return 1;
 787                 }
 788
 789                 w = image->comps[0].w;
 790                 h = image->comps[0].h;
 791
 792                 fprintf(fdest, "BM");
 793
 794                 /* FILE HEADER */
 795                 /* ------------- */
 796                 fprintf(fdest, "%c%c%c%c",
 797                         (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
 798                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)     >> 8) & 0xff,
 799                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)     >> 16) & 0xff,
 800                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)     >> 24) & 0xff);
 801                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 802                 fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
 803
 804                 /* INFO HEADER   */
 805                 /* ------------- */
 806                 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,     ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
 807                 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
 808                         (unsigned char) ((w) >> 8) & 0xff,
 809                         (unsigned char) ((w) >> 16) & 0xff,
 810                         (unsigned char) ((w) >> 24) & 0xff);
 811                 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
 812                         (unsigned char) ((h) >> 8) & 0xff,
 813                         (unsigned char) ((h) >> 16) & 0xff,
 814                         (unsigned char) ((h) >> 24) & 0xff);
 815                 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
 816                 fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
 817                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 818                 fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
 819                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
 820                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
 821                         (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
 822                 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
 823                 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
 824                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 825                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 826
 827                 if (image->comps[0].prec > 8) {
 828                         adjustR = image->comps[0].prec - 8;
 829                         printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
 830                 }
 831                 else
 832                         adjustR = 0;
 833                 if (image->comps[1].prec > 8) {
 834                         adjustG = image->comps[1].prec - 8;
 835                         printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
 836                 }
 837                 else
 838                         adjustG = 0;
 839                 if (image->comps[2].prec > 8) {
 840                         adjustB = image->comps[2].prec - 8;
 841                         printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
 842                 }
 843                 else
 844                         adjustB = 0;
 845
 846                 for (i = 0; i < w * h; i++) {
 847                         unsigned char rc, gc, bc;
 848                         int r, g, b;
 849
 850                         r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
 851                         r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
 852                         rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
 853                         g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
 854                         g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
 855                         gc = (unsigned char) ((g >> adjustG)+((g >> (adjustG-1))%2));
 856                         b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
 857                         b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
 858                         bc = (unsigned char) ((b >> adjustB)+((b >> (adjustB-1))%2));
 859
 860                         fprintf(fdest, "%c%c%c", bc, gc, rc);
 861
 862                         if ((i + 1) % w == 0) {
 863                                 for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--)   /* ADD */
 864                                         fprintf(fdest, "%c", 0);
 865                         }
 866                 }
 867                 fclose(fdest);
 868         } else {                        /* Gray-scale */
 869
 870                 /* -->> -->> -->> -->>
 871                 8 bits non code (Gray scale)
 872                 <<-- <<-- <<-- <<-- */
 873
 874                 fdest = fopen(outfile, "wb");
 875                 w = image->comps[0].w;
 876                 h = image->comps[0].h;
 877
 878                 fprintf(fdest, "BM");
 879
 880                 /* FILE HEADER */
 881                 /* ------------- */
 882                 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
 883                         (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
 884                         (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
 885                         (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
 886                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 887                 fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
 888                         ((54 + 1024) >> 16) & 0xff,
 889                         ((54 + 1024) >> 24) & 0xff);
 890
 891                 /* INFO HEADER */
 892                 /* ------------- */
 893                 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,     ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
 894                 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
 895                         (unsigned char) ((w) >> 8) & 0xff,
 896                         (unsigned char) ((w) >> 16) & 0xff,
 897                         (unsigned char) ((w) >> 24) & 0xff);
 898                 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
 899                         (unsigned char) ((h) >> 8) & 0xff,
 900                         (unsigned char) ((h) >> 16) & 0xff,
 901                         (unsigned char) ((h) >> 24) & 0xff);
 902                 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
 903                 fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
 904                 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
 905                 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
 906                         (unsigned char) ((h * w + h * (w % 2)) >> 8) &  0xff,
 907                         (unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff,
 908                         (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
 909                 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
 910                 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
 911                 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
 912                 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
 913
 914                 if (image->comps[0].prec > 8) {
 915                         adjustR = image->comps[0].prec - 8;
 916                         printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
 917                 }
 918
 919                 for (i = 0; i < 256; i++) {
 920                         fprintf(fdest, "%c%c%c%c", i, i, i, 0);
 921                 }
 922
 923                 for (i = 0; i < w * h; i++) {
 924                         unsigned char rc;
 925                         int r;
 926
 927                         r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
 928                         r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
 929                         rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
 930
 931                         fprintf(fdest, "%c", rc);
 932
 933                         if ((i + 1) % w == 0) {
 934                                 for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--)       /* ADD */
 935                                         fprintf(fdest, "%c", 0);
 936                         }
 937                 }
 938                 fclose(fdest);
 939         }
 940
 941         return 0;
 942 }
 943
 944 /* -->> -->> -->> -->>
 945
 946 PGX IMAGE FORMAT
 947
 948 <<-- <<-- <<-- <<-- */
 949
 950
 951 unsigned char readuchar(FILE * f)
 952 {
 953   unsigned char c1;
 954   fread(&c1, 1, 1, f);
 955   return c1;
 956 }
 957
 958 unsigned short readushort(FILE * f, int bigendian)
 959 {
 960   unsigned char c1, c2;
 961   fread(&c1, 1, 1, f);
 962   fread(&c2, 1, 1, f);
 963   if (bigendian)
 964     return (c1 << 8) + c2;
 965   else
 966     return (c2 << 8) + c1;
 967 }
 968
 969 unsigned int readuint(FILE * f, int bigendian)
 970 {
 971   unsigned char c1, c2, c3, c4;
 972   fread(&c1, 1, 1, f);
 973   fread(&c2, 1, 1, f);
 974   fread(&c3, 1, 1, f);
 975   fread(&c4, 1, 1, f);
 976   if (bigendian)
 977     return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
 978   else
 979     return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
 980 }
 981
 982 opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
 983         FILE *f = NULL;
 984         int w, h, prec;
 985         int i, numcomps, max;
 986         OPJ_COLOR_SPACE color_space;
 987         opj_image_cmptparm_t cmptparm;  /* maximum of 1 component  */
 988         opj_image_t * image = NULL;
 989
 990         char endian1,endian2,sign;
 991         char signtmp[32];
 992
 993         char temp[32];
 994         int bigendian;
 995         opj_image_comp_t *comp = NULL;
 996
 997         numcomps = 1;
 998         color_space = CLRSPC_GRAY;
 999
1000         memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
1001
1002         max = 0;
1003
1004         f = fopen(filename, "rb");
1005         if (!f) {
1006           fprintf(stderr, "Failed to open %s for reading !\n", filename);
1007           return NULL;
1008         }
1009
1010         fseek(f, 0, SEEK_SET);
1011         fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
1012
1013         i=0;
1014         sign='+';
1015         while (signtmp[i]!='\0') {
1016                 if (signtmp[i]=='-') sign='-';
1017                 i++;
1018         }
1019
1020         fgetc(f);
1021         if (endian1=='M' && endian2=='L') {
1022                 bigendian = 1;
1023         } else if (endian2=='M' && endian1=='L') {
1024                 bigendian = 0;
1025         } else {
1026                 fprintf(stderr, "Bad pgx header, please check input file\n");
1027                 return NULL;
1028         }
1029
1030         /* initialize image component */
1031
1032         cmptparm.x0 = parameters->image_offset_x0;
1033         cmptparm.y0 = parameters->image_offset_y0;
1034         cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1;
1035         cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1;
1036
1037         if (sign == '-') {
1038                 cmptparm.sgnd = 1;
1039         } else {
1040                 cmptparm.sgnd = 0;
1041         }
1042         cmptparm.prec = prec;
1043         cmptparm.bpp = prec;
1044         cmptparm.dx = parameters->subsampling_dx;
1045         cmptparm.dy = parameters->subsampling_dy;
1046
1047         /* create the image */
1048         image = opj_image_create(numcomps, &cmptparm, color_space);
1049         if(!image) {
1050                 fclose(f);
1051                 return NULL;
1052         }
1053         /* set image offset and reference grid */
1054         image->x0 = cmptparm.x0;
1055         image->y0 = cmptparm.x0;
1056         image->x1 = cmptparm.w;
1057         image->y1 = cmptparm.h;
1058
1059         /* set image data */
1060
1061         comp = &image->comps[0];
1062
1063         for (i = 0; i < w * h; i++) {
1064                 int v;
1065                 if (comp->prec <= 8) {
1066                         if (!comp->sgnd) {
1067                                 v = readuchar(f);
1068                         } else {
1069                                 v = (char) readuchar(f);
1070                         }
1071                 } else if (comp->prec <= 16) {
1072                         if (!comp->sgnd) {
1073                                 v = readushort(f, bigendian);
1074                         } else {
1075                                 v = (short) readushort(f, bigendian);
1076                         }
1077                 } else {
1078                         if (!comp->sgnd) {
1079                                 v = readuint(f, bigendian);
1080                         } else {
1081                                 v = (int) readuint(f, bigendian);
1082                         }
1083                 }
1084                 if (v > max)
1085                         max = v;
1086                 comp->data[i] = v;
1087         }
1088         fclose(f);
1089         comp->bpp = int_floorlog2(max) + 1;
1090
1091         return image;
1092 }
1093
1094 int imagetopgx(opj_image_t * image, const char *outfile) {
1095         int w, h;
1096         int i, j, compno;
1097         FILE *fdest = NULL;
1098
1099         for (compno = 0; compno < image->numcomps; compno++) {
1100                 opj_image_comp_t *comp = &image->comps[compno];
1101                 char bname[256]; /* buffer for name */
1102     char *name = bname; /* pointer */
1103     int nbytes = 0;
1104     const size_t olen = strlen(outfile);
1105     const size_t dotpos = olen - 4;
1106     const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
1107     if( outfile[dotpos] != '.' ) {
1108       /* `pgx` was recognized but there is no dot at expected position */
1109       fprintf(stderr, "ERROR -> Impossible happen." );
1110       return 1;
1111       }
1112     if( total > 256 ) {
1113       name = (char*)malloc(total+1);
1114       }
1115     strncpy(name, outfile, dotpos);
1116                 if (image->numcomps > 1) {
1117                         sprintf(name+dotpos, "-%d.pgx", compno);
1118                 } else {
1119                         strcpy(name+dotpos, ".pgx");
1120                 }
1121                 fdest = fopen(name, "wb");
1122                 if (!fdest) {
1123                         fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1124                         return 1;
1125                 }
1126     /* dont need name anymore */
1127     if( total > 256 ) {
1128       free(name);
1129       }
1130
1131                 w = image->comps[compno].w;
1132                 h = image->comps[compno].h;
1133
1134                 fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, w, h);
1135                 if (comp->prec <= 8) {
1136                         nbytes = 1;
1137                 } else if (comp->prec <= 16) {
1138                         nbytes = 2;
1139                 } else {
1140                         nbytes = 4;
1141                 }
1142                 for (i = 0; i < w * h; i++) {
1143                         int v = image->comps[compno].data[i];
1144                         for (j = nbytes - 1; j >= 0; j--) {
1145                                 char byte = (char) (v >> (j * 8));
1146                                 fwrite(&byte, 1, 1, fdest);
1147                         }
1148                 }
1149                 fclose(fdest);
1150         }
1151
1152         return 0;
1153 }
1154
1155 /* -->> -->> -->> -->>
1156
1157 PNM IMAGE FORMAT
1158
1159 <<-- <<-- <<-- <<-- */
1160
1161 opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
1162         int subsampling_dx = parameters->subsampling_dx;
1163         int subsampling_dy = parameters->subsampling_dy;
1164
1165         FILE *f = NULL;
1166         int i, compno, numcomps, w, h;
1167         OPJ_COLOR_SPACE color_space;
1168         opj_image_cmptparm_t cmptparm[3];       /* maximum of 3 components */
1169         opj_image_t * image = NULL;
1170         char value;
1171
1172         f = fopen(filename, "rb");
1173         if (!f) {
1174                 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
1175                 return 0;
1176         }
1177
1178         if (fgetc(f) != 'P')
1179                 return 0;
1180         value = fgetc(f);
1181
1182                 switch(value) {
1183                         case '2':       /* greyscale image type */
1184                         case '5':
1185                                 numcomps = 1;
1186                                 color_space = CLRSPC_GRAY;
1187                                 break;
1188
1189                         case '3':       /* RGB image type */
1190                         case '6':
1191                                 numcomps = 3;
1192                                 color_space = CLRSPC_SRGB;
1193                                 break;
1194
1195                         default:
1196                                 fclose(f);
1197                                 return NULL;
1198                 }
1199
1200                 fgetc(f);
1201
1202                 /* skip comments */
1203                 while(fgetc(f) == '#') while(fgetc(f) != '\n');
1204
1205                 fseek(f, -1, SEEK_CUR);
1206                 fscanf(f, "%d %d\n255", &w, &h);
1207                 fgetc(f);       /* <cr><lf> */
1208
1209         /* initialize image components */
1210         memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
1211         for(i = 0; i < numcomps; i++) {
1212                 cmptparm[i].prec = 8;
1213                 cmptparm[i].bpp = 8;
1214                 cmptparm[i].sgnd = 0;
1215                 cmptparm[i].dx = subsampling_dx;
1216                 cmptparm[i].dy = subsampling_dy;
1217                 cmptparm[i].w = w;
1218                 cmptparm[i].h = h;
1219         }
1220         /* create the image */
1221         image = opj_image_create(numcomps, &cmptparm[0], color_space);
1222         if(!image) {
1223                 fclose(f);
1224                 return NULL;
1225         }
1226
1227         /* set image offset and reference grid */
1228         image->x0 = parameters->image_offset_x0;
1229         image->y0 = parameters->image_offset_y0;
1230         image->x1 = parameters->image_offset_x0 + (w - 1) *     subsampling_dx + 1;
1231         image->y1 = parameters->image_offset_y0 + (h - 1) *     subsampling_dy + 1;
1232
1233         /* set image data */
1234
1235         if ((value == '2') || (value == '3')) { /* ASCII */
1236                 for (i = 0; i < w * h; i++) {
1237                         for(compno = 0; compno < numcomps; compno++) {
1238                                 unsigned int index = 0;
1239                                 fscanf(f, "%u", &index);
1240                                 /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
1241                                 image->comps[compno].data[i] = index;
1242                         }
1243                 }
1244         } else if ((value == '5') || (value == '6')) {  /* BINARY */
1245                 for (i = 0; i < w * h; i++) {
1246                         for(compno = 0; compno < numcomps; compno++) {
1247                                 unsigned char index = 0;
1248                                 fread(&index, 1, 1, f);
1249                                 /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
1250                                 image->comps[compno].data[i] = index;
1251                         }
1252                 }
1253         }
1254
1255         fclose(f);
1256
1257         return image;
1258 }
1259
1260 int imagetopnm(opj_image_t * image, const char *outfile) {
1261         int w, wr, h, hr, max;
1262         int i, compno;
1263         int adjustR, adjustG, adjustB, adjustX;
1264         FILE *fdest = NULL;
1265         char S2;
1266         const char *tmp = outfile;
1267
1268         while (*tmp) {
1269                 tmp++;
1270         }
1271         tmp--;
1272         tmp--;
1273         S2 = *tmp;
1274
1275         if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
1276                 && image->comps[1].dx == image->comps[2].dx
1277                 && image->comps[0].dy == image->comps[1].dy
1278                 && image->comps[1].dy == image->comps[2].dy
1279                 && image->comps[0].prec == image->comps[1].prec
1280                 && image->comps[1].prec == image->comps[2].prec
1281                 && S2 !='g' && S2 !='G') {
1282
1283                 fdest = fopen(outfile, "wb");
1284                 if (!fdest) {
1285                         fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1286                         return 1;
1287                 }
1288
1289                 w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
1290                 wr = image->comps[0].w;
1291
1292                 h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
1293                 hr = image->comps[0].h;
1294
1295                 max = image->comps[0].prec > 8 ? 255 : (1 << image->comps[0].prec) - 1;
1296
1297                 image->comps[0].x0 = int_ceildivpow2(image->comps[0].x0 - int_ceildiv(image->x0, image->comps[0].dx), image->comps[0].factor);
1298                 image->comps[0].y0 = int_ceildivpow2(image->comps[0].y0 -       int_ceildiv(image->y0, image->comps[0].dy), image->comps[0].factor);
1299
1300                 fprintf(fdest, "P6\n%d %d\n%d\n", wr, hr, max);
1301
1302                 if (image->comps[0].prec > 8) {
1303                         adjustR = image->comps[0].prec - 8;
1304                         printf("PNM CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
1305                 }
1306                 else
1307                         adjustR = 0;
1308                 if (image->comps[1].prec > 8) {
1309                         adjustG = image->comps[1].prec - 8;
1310                         printf("PNM CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
1311                 }
1312                 else
1313                         adjustG = 0;
1314                 if (image->comps[2].prec > 8) {
1315                         adjustB = image->comps[2].prec - 8;
1316                         printf("PNM CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
1317                 }
1318                 else
1319                         adjustB = 0;
1320
1321
1322                 for (i = 0; i < wr * hr; i++) {
1323                         int r, g, b;
1324                         unsigned char rc,gc,bc;
1325                         r = image->comps[0].data[i];
1326                         r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1327                         rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
1328
1329                         g = image->comps[1].data[i];
1330                         g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
1331                         gc = (unsigned char) ((g >> adjustG)+((g >> (adjustG-1))%2));
1332
1333                         b = image->comps[2].data[i];
1334                         b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
1335                         bc = (unsigned char) ((b >> adjustB)+((b >> (adjustB-1))%2));
1336
1337                         fprintf(fdest, "%c%c%c", rc, gc, bc);
1338                 }
1339                 fclose(fdest);
1340
1341         } else {
1342                 int ncomp=(S2=='g' || S2=='G')?1:image->numcomps;
1343                 if (image->numcomps > ncomp) {
1344                         fprintf(stderr,"WARNING -> [PGM files] Only the first component\n");
1345                         fprintf(stderr,"           is written to the file\n");
1346                 }
1347                 for (compno = 0; compno < ncomp; compno++) {
1348                         char name[256];
1349                         if (ncomp > 1) {
1350                                 sprintf(name, "%d.%s", compno, outfile);
1351                         } else {
1352                                 sprintf(name, "%s", outfile);
1353                         }
1354
1355                         fdest = fopen(name, "wb");
1356                         if (!fdest) {
1357                                 fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1358                                 return 1;
1359                         }
1360
1361                         w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1362                         wr = image->comps[compno].w;
1363
1364                         h = int_ceildiv(image->y1 - image->y0, image->comps[compno].dy);
1365                         hr = image->comps[compno].h;
1366
1367                         max = image->comps[compno].prec > 8 ? 255 : (1 << image->comps[compno].prec) - 1;
1368
1369                         image->comps[compno].x0 = int_ceildivpow2(image->comps[compno].x0 - int_ceildiv(image->x0, image->comps[compno].dx), image->comps[compno].factor);
1370                         image->comps[compno].y0 = int_ceildivpow2(image->comps[compno].y0 - int_ceildiv(image->y0, image->comps[compno].dy), image->comps[compno].factor);
1371
1372                         fprintf(fdest, "P5\n%d %d\n%d\n", wr, hr, max);
1373
1374                         if (image->comps[compno].prec > 8) {
1375                                 adjustX = image->comps[0].prec - 8;
1376                                 printf("PNM CONVERSION: Truncating component %d from %d bits to 8 bits\n",compno, image->comps[compno].prec);
1377                         }
1378                         else
1379                                 adjustX = 0;
1380
1381                         for (i = 0; i < wr * hr; i++) {
1382                                 int l;
1383                                 unsigned char lc;
1384                                 l = image->comps[compno].data[i];
1385                                 l += (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
1386                                 lc = (unsigned char) ((l >> adjustX)+((l >> (adjustX-1))%2));
1387                                 fprintf(fdest, "%c", lc);
1388                         }
1389                         fclose(fdest);
1390                 }
1391         }
1392
1393         return 0;
1394 }
1395
1396 /* -->> -->> -->> -->>
1397
1398         TIFF IMAGE FORMAT
1399
1400  <<-- <<-- <<-- <<-- */
1401
1402 typedef struct tiff_infoheader{
1403         DWORD tiWidth;  // Width of Image in pixel
1404         DWORD tiHeight; // Height of Image in pixel
1405         DWORD tiPhoto;  // Photometric
1406         WORD  tiBps;    // Bits per sample
1407         WORD  tiSf;             // Sample Format
1408         WORD  tiSpp;    // Sample per pixel 1-bilevel,gray scale , 2- RGB
1409         WORD  tiPC;     // Planar config (1-Interleaved, 2-Planarcomp)
1410 }tiff_infoheader_t;
1411
1412 int imagetotif(opj_image_t * image, const char *outfile) {
1413         int width, height, imgsize;
1414         int bps,index,adjust = 0;
1415         int last_i=0;
1416         TIFF *tif;
1417         tdata_t buf;
1418         tstrip_t strip;
1419         tsize_t strip_size;
1420
1421         if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
1422                 && image->comps[1].dx == image->comps[2].dx
1423                 && image->comps[0].dy == image->comps[1].dy
1424                 && image->comps[1].dy == image->comps[2].dy
1425                 && image->comps[0].prec == image->comps[1].prec
1426                 && image->comps[1].prec == image->comps[2].prec) {
1427
1428                         /* -->> -->> -->>
1429                         RGB color
1430                         <<-- <<-- <<-- */
1431
1432                         tif = TIFFOpen(outfile, "wb");
1433                         if (!tif) {
1434                                 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1435                                 return 1;
1436                         }
1437
1438                         width   = image->comps[0].w;
1439                         height  = image->comps[0].h;
1440                         imgsize = width * height ;
1441                         bps             = image->comps[0].prec;
1442                         /* Set tags */
1443                         TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
1444                         TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
1445                         TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
1446                         TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
1447                         TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
1448                         TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
1449                         TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
1450                         TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
1451
1452                         /* Get a buffer for the data */
1453                         strip_size=TIFFStripSize(tif);
1454                         buf = _TIFFmalloc(strip_size);
1455                         index=0;
1456                         adjust = image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0;
1457                         for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
1458                                 unsigned char *dat8;
1459                                 int i, ssize;
1460                                 ssize = TIFFStripSize(tif);
1461                                 dat8 = buf;
1462                                 if (image->comps[0].prec == 8){
1463                                         for (i=0; i<ssize-2; i+=3) {    // 8 bits per pixel
1464                                                 int r = 0,g = 0,b = 0;
1465                                                 if(index < imgsize){
1466                                                         r = image->comps[0].data[index];
1467                                                         g = image->comps[1].data[index];
1468                                                         b = image->comps[2].data[index];
1469                                                         if (image->comps[0].sgnd){
1470                                                                 r += adjust;
1471                                                                 g += adjust;
1472                                                                 b += adjust;
1473                                                         }
1474                                                         dat8[i+0] = r ; // R
1475                                                         dat8[i+1] = g ; // G
1476                                                         dat8[i+2] = b ; // B
1477                                                         index++;
1478                                                         last_i = i+3;
1479                                                 }else
1480                                                         break;
1481                                         }
1482                                         if(last_i < ssize){
1483                                                 for (i=last_i; i<ssize; i+=3) { // 8 bits per pixel
1484                                                         int r = 0,g = 0,b = 0;
1485                                                         if(index < imgsize){
1486                                                                 r = image->comps[0].data[index];
1487                                                                 g = image->comps[1].data[index];
1488                                                                 b = image->comps[2].data[index];
1489                                                                 if (image->comps[0].sgnd){
1490                                                                         r += adjust;
1491                                                                         g += adjust;
1492                                                                         b += adjust;
1493                                                                 }
1494                                                                 dat8[i+0] = r ; // R
1495                                                                 if(i+1 <ssize) dat8[i+1] = g ;  else break;// G
1496                                                                 if(i+2 <ssize) dat8[i+2] = b ;  else break;// B
1497                                                                 index++;
1498                                                         }else
1499                                                                 break;
1500                                                 }
1501                                         }
1502                                 }else if (image->comps[0].prec == 12){
1503                                         for (i=0; i<ssize-8; i+=9) {    // 12 bits per pixel
1504                                                 int r = 0,g = 0,b = 0;
1505                                                 int r1 = 0,g1 = 0,b1 = 0;
1506                                                 if((index < imgsize)&(index+1 < imgsize)){
1507                                                         r  = image->comps[0].data[index];
1508                                                         g  = image->comps[1].data[index];
1509                                                         b  = image->comps[2].data[index];
1510                                                         r1 = image->comps[0].data[index+1];
1511                                                         g1 = image->comps[1].data[index+1];
1512                                                         b1 = image->comps[2].data[index+1];
1513                                                         if (image->comps[0].sgnd){
1514                                                                 r  += adjust;
1515                                                                 g  += adjust;
1516                                                                 b  += adjust;
1517                                                                 r1 += adjust;
1518                                                                 g1 += adjust;
1519                                                                 b1 += adjust;
1520                                                         }
1521                                                         dat8[i+0] = (r >> 4);
1522                                                         dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f);
1523                                                         dat8[i+2] = g ;
1524                                                         dat8[i+3] = (b >> 4);
1525                                                         dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
1526                                                         dat8[i+5] = r1;
1527                                                         dat8[i+6] = (g1 >> 4);
1528                                                         dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);
1529                                                         dat8[i+8] = b1;
1530                                                         index+=2;
1531                                                         last_i = i+9;
1532                                                 }else
1533                                                         break;
1534                                         }
1535                                         if(last_i < ssize){
1536                                                 for (i= last_i; i<ssize; i+=9) {        // 12 bits per pixel
1537                                                         int r = 0,g = 0,b = 0;
1538                                                         int r1 = 0,g1 = 0,b1 = 0;
1539                                                         if((index < imgsize)&(index+1 < imgsize)){
1540                                                                 r  = image->comps[0].data[index];
1541                                                                 g  = image->comps[1].data[index];
1542                                                                 b  = image->comps[2].data[index];
1543                                                                 r1 = image->comps[0].data[index+1];
1544                                                                 g1 = image->comps[1].data[index+1];
1545                                                                 b1 = image->comps[2].data[index+1];
1546                                                                 if (image->comps[0].sgnd){
1547                                                                         r  += adjust;
1548                                                                         g  += adjust;
1549                                                                         b  += adjust;
1550                                                                         r1 += adjust;
1551                                                                         g1 += adjust;
1552                                                                         b1 += adjust;
1553                                                                 }
1554                                                                 dat8[i+0] = (r >> 4);
1555                                                                 if(i+1 <ssize) dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f); else break;
1556                                                                 if(i+2 <ssize) dat8[i+2] = g ;                  else break;
1557                                                                 if(i+3 <ssize) dat8[i+3] = (b >> 4);    else break;
1558                                                                 if(i+4 <ssize) dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);else break;
1559                                                                 if(i+5 <ssize) dat8[i+5] = r1;                  else break;
1560                                                                 if(i+6 <ssize) dat8[i+6] = (g1 >> 4);   else break;
1561                                                                 if(i+7 <ssize) dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);else break;
1562                                                                 if(i+8 <ssize) dat8[i+8] = b1;                  else break;
1563                                                                 index+=2;
1564                                                         }else
1565                                                                 break;
1566                                                 }
1567                                         }
1568                                 }else if (image->comps[0].prec == 16){
1569                                         for (i=0 ; i<ssize-5 ; i+=6) {  // 16 bits per pixel
1570                                                 int r = 0,g = 0,b = 0;
1571                                                 if(index < imgsize){
1572                                                         r = image->comps[0].data[index];
1573                                                         g = image->comps[1].data[index];
1574                                                         b = image->comps[2].data[index];
1575                                                         if (image->comps[0].sgnd){
1576                                                         r += adjust;
1577                                                         g += adjust;
1578                                                         b += adjust;
1579                                                         }
1580                                                         dat8[i+0] =  r;//LSB
1581                                                         dat8[i+1] = (r >> 8);//MSB
1582                                                         dat8[i+2] =  g;
1583                                                         dat8[i+3] = (g >> 8);
1584                                                         dat8[i+4] =  b;
1585                                                         dat8[i+5] = (b >> 8);
1586                                                         index++;
1587                                                         last_i = i+6;
1588                                                 }else
1589                                                         break;
1590                                         }
1591                                         if(last_i < ssize){
1592                                                 for (i=0 ; i<ssize ; i+=6) {    // 16 bits per pixel
1593                                                         int r = 0,g = 0,b = 0;
1594                                                         if(index < imgsize){
1595                                                                 r = image->comps[0].data[index];
1596                                                                 g = image->comps[1].data[index];
1597                                                                 b = image->comps[2].data[index];
1598                                                                 if (image->comps[0].sgnd){
1599                                                                         r += adjust;
1600                                                                         g += adjust;
1601                                                                         b += adjust;
1602                                                                 }
1603                                                                 dat8[i+0] =  r;//LSB
1604                                                                 if(i+1 <ssize) dat8[i+1] = (r >> 8);else break;//MSB
1605                                                                 if(i+2 <ssize) dat8[i+2] =  g;          else break;
1606                                                                 if(i+3 <ssize) dat8[i+3] = (g >> 8);else break;
1607                                                                 if(i+4 <ssize) dat8[i+4] =  b;          else break;
1608                                                                 if(i+5 <ssize) dat8[i+5] = (b >> 8);else break;
1609                                                                 index++;
1610                                                         }else
1611                                                                 break;
1612                                                 }
1613                                         }
1614                                 }else{
1615                                         fprintf(stderr,"Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
1616                                         fprintf(stderr,"Aborting\n");
1617                                         return 1;
1618                                 }
1619                                 TIFFWriteEncodedStrip(tif, strip, buf, strip_size);
1620                         }
1621                         _TIFFfree(buf);
1622                         TIFFClose(tif);
1623                 }else if (image->numcomps == 1){
1624                         /* -->> -->> -->>
1625                         Black and White
1626                         <<-- <<-- <<-- */
1627
1628                         tif = TIFFOpen(outfile, "wb");
1629                         if (!tif) {
1630                                 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1631                                 return 1;
1632                         }
1633
1634                         width   = image->comps[0].w;
1635                         height  = image->comps[0].h;
1636                         imgsize = width * height;
1637                         bps             = image->comps[0].prec;
1638
1639                         /* Set tags */
1640                         TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
1641                         TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
1642                         TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
1643                         TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
1644                         TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
1645                         TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
1646                         TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
1647                         TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
1648
1649                         /* Get a buffer for the data */
1650                         strip_size = TIFFStripSize(tif);
1651                         buf = _TIFFmalloc(strip_size);
1652                         index = 0;
1653                         for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
1654                                 unsigned char *dat8;
1655                                 int i;
1656                                 dat8 = buf;
1657                                 if (image->comps[0].prec == 8){
1658                                         for (i=0; i<TIFFStripSize(tif); i+=1) { // 8 bits per pixel
1659                                                 if(index < imgsize){
1660                                                         int r = 0;
1661                                                         r = image->comps[0].data[index];
1662                                                         if (image->comps[0].sgnd){
1663                                                                 r  += adjust;
1664                                                         }
1665                                                         dat8[i+0] = r;
1666                                                         index++;
1667                                                 }else
1668                                                         break;
1669                                         }
1670                                 }else if (image->comps[0].prec == 12){
1671                                         for (i = 0; i<TIFFStripSize(tif); i+=3) {       // 12 bits per pixel
1672                                                 if(index < imgsize){
1673                                                         int r = 0, r1 = 0;
1674                                                         r  = image->comps[0].data[index];
1675                                                         r1 = image->comps[0].data[index+1];
1676                                                         if (image->comps[0].sgnd){
1677                                                                 r  += adjust;
1678                                                                 r1 += adjust;
1679                                                         }
1680                                                         dat8[i+0] = (r >> 4);
1681                                                         dat8[i+1] = ((r & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
1682                                                         dat8[i+2] = r1 ;
1683                                                         index+=2;
1684                                                 }else
1685                                                         break;
1686                                         }
1687                                 }else if (image->comps[0].prec == 16){
1688                                         for (i=0; i<TIFFStripSize(tif); i+=2) { // 16 bits per pixel
1689                                                 if(index < imgsize){
1690                                                         int r = 0;
1691                                                         r = image->comps[0].data[index];
1692                                                         if (image->comps[0].sgnd){
1693                                                                 r  += adjust;
1694                                                         }
1695                                                         dat8[i+0] = r;
1696                                                         dat8[i+1] = r >> 8;
1697                                                         index++;
1698                                                 }else
1699                                                         break;
1700                                         }
1701                                 }else{
1702                                         fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
1703                                         fprintf(stderr,"Aborting\n");
1704                                         return 1;
1705                                 }
1706                                 TIFFWriteEncodedStrip(tif, strip, buf, strip_size);
1707                         }
1708                         _TIFFfree(buf);
1709                         TIFFClose(tif);
1710                 }else{
1711                         fprintf(stderr,"TIFF file creation. Bad color format. Only RGB & Grayscale has been implemented\n");
1712                         fprintf(stderr,"Aborting\n");
1713                         return 1;
1714                 }
1715                 return 0;
1716 }
1717
1718 opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
1719 {
1720         int subsampling_dx = parameters->subsampling_dx;
1721         int subsampling_dy = parameters->subsampling_dy;
1722         TIFF *tif;
1723         tiff_infoheader_t Info;
1724         tdata_t buf;
1725         tstrip_t strip;
1726         tsize_t strip_size;
1727         int j, numcomps, w, h,index;
1728         OPJ_COLOR_SPACE color_space;
1729         opj_image_cmptparm_t cmptparm[3];
1730         opj_image_t * image = NULL;
1731         int imgsize = 0;
1732
1733         tif = TIFFOpen(filename, "r");
1734
1735         if (!tif) {
1736                 fprintf(stderr, "Failed to open %s for reading\n", filename);
1737                 return 0;
1738         }
1739
1740         TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &Info.tiWidth);
1741         TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &Info.tiHeight);
1742         TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &Info.tiBps);
1743         TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &Info.tiSf);
1744         TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &Info.tiSpp);
1745         Info.tiPhoto = 0;
1746         TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &Info.tiPhoto);
1747         TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &Info.tiPC);
1748         w= Info.tiWidth;
1749         h= Info.tiHeight;
1750
1751         if (Info.tiPhoto == 2) {
1752                 /* -->> -->> -->>
1753                 RGB color
1754                 <<-- <<-- <<-- */
1755
1756                 numcomps = 3;
1757                 color_space = CLRSPC_SRGB;
1758                 /* initialize image components*/
1759                 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
1760                 for(j = 0; j < numcomps; j++) {
1761                         if (parameters->cp_cinema) {
1762                                 cmptparm[j].prec = 12;
1763                                 cmptparm[j].bpp = 12;
1764                         }else{
1765                                 cmptparm[j].prec = Info.tiBps;
1766                                 cmptparm[j].bpp = Info.tiBps;
1767                         }
1768                         cmptparm[j].sgnd = 0;
1769                         cmptparm[j].dx = subsampling_dx;
1770                         cmptparm[j].dy = subsampling_dy;
1771                         cmptparm[j].w = w;
1772                         cmptparm[j].h = h;
1773                 }
1774                 /* create the image*/
1775                 image = opj_image_create(numcomps, &cmptparm[0], color_space);
1776                 if(!image) {
1777                         TIFFClose(tif);
1778                         return NULL;
1779                 }
1780
1781                 /* set image offset and reference grid */
1782                 image->x0 = parameters->image_offset_x0;
1783                 image->y0 = parameters->image_offset_y0;
1784                 image->x1 =     !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
1785                 image->y1 =     !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
1786
1787                 buf = _TIFFmalloc(TIFFStripSize(tif));
1788                 strip_size=0;
1789                 strip_size=TIFFStripSize(tif);
1790                 index = 0;
1791                 imgsize = image->comps[0].w * image->comps[0].h ;
1792                 /* Read the Image components*/
1793                 for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
1794                         unsigned char *dat8;
1795                         int i, ssize;
1796                         ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
1797                         dat8 = buf;
1798
1799                         if (Info.tiBps==12){
1800                                 for (i=0; i<ssize; i+=9) {      /*12 bits per pixel*/
1801                                         if((index < imgsize)&(index+1 < imgsize)){
1802                                                 image->comps[0].data[index]   = ( dat8[i+0]<<4 )                |(dat8[i+1]>>4);
1803                                                 image->comps[1].data[index]   = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
1804                                                 image->comps[2].data[index]   = ( dat8[i+3]<<4)                 |(dat8[i+4]>>4);
1805                                                 image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5];
1806                                                 image->comps[1].data[index+1] = ( dat8[i+6] <<4)                |(dat8[i+7]>>4);
1807                                                 image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];
1808                                                 index+=2;
1809                                         }else
1810                                                 break;
1811                                 }
1812                         }
1813                         else if( Info.tiBps==16){
1814                                 for (i=0; i<ssize; i+=6) {      /* 16 bits per pixel */
1815                                         if(index < imgsize){
1816                                                 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; // R
1817                                                 image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; // G
1818                                                 image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; // B
1819                                                 if(parameters->cp_cinema){/* Rounding to 12 bits*/
1820                                                         image->comps[0].data[index] = (image->comps[0].data[index] + 0x08) >> 4 ;
1821                                                         image->comps[1].data[index] = (image->comps[1].data[index] + 0x08) >> 4 ;
1822                                                         image->comps[2].data[index] = (image->comps[2].data[index] + 0x08) >> 4 ;
1823                                                 }
1824                                                 index++;
1825                                         }else
1826                                                 break;
1827                                 }
1828                         }
1829                         else if ( Info.tiBps==8){
1830                                 for (i=0; i<ssize; i+=3) {      /* 8 bits per pixel */
1831                                         if(index < imgsize){
1832                                                 image->comps[0].data[index] = dat8[i+0];// R
1833                                                 image->comps[1].data[index] = dat8[i+1];// G
1834                                                 image->comps[2].data[index] = dat8[i+2];// B
1835                                                 if(parameters->cp_cinema){/* Rounding to 12 bits*/
1836                                                         image->comps[0].data[index] = image->comps[0].data[index] << 4 ;
1837                                                         image->comps[1].data[index] = image->comps[1].data[index] << 4 ;
1838                                                         image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
1839                                                 }
1840                                                 index++;
1841                                         }else
1842                                                 break;
1843                                 }
1844                         }
1845                         else{
1846                                 fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",Info.tiBps);
1847                                 fprintf(stderr,"Aborting\n");
1848                                 return NULL;
1849                         }
1850                 }
1851
1852                 _TIFFfree(buf);
1853                 TIFFClose(tif);
1854         }else if(Info.tiPhoto == 1) {
1855                 /* -->> -->> -->>
1856                 Black and White
1857                 <<-- <<-- <<-- */
1858
1859                 numcomps = 1;
1860                 color_space = CLRSPC_GRAY;
1861                 /* initialize image components*/
1862                 memset(&cmptparm[0], 0, sizeof(opj_image_cmptparm_t));
1863                 cmptparm[0].prec = Info.tiBps;
1864                 cmptparm[0].bpp = Info.tiBps;
1865                 cmptparm[0].sgnd = 0;
1866                 cmptparm[0].dx = subsampling_dx;
1867                 cmptparm[0].dy = subsampling_dy;
1868                 cmptparm[0].w = w;
1869                 cmptparm[0].h = h;
1870
1871                 /* create the image*/
1872                 image = opj_image_create(numcomps, &cmptparm[0], color_space);
1873                 if(!image) {
1874                         TIFFClose(tif);
1875                         return NULL;
1876                 }
1877                 /* set image offset and reference grid */
1878                 image->x0 = parameters->image_offset_x0;
1879                 image->y0 = parameters->image_offset_y0;
1880                 image->x1 =     !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
1881                 image->y1 =     !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
1882
1883                 buf = _TIFFmalloc(TIFFStripSize(tif));
1884                 strip_size = 0;
1885                 strip_size = TIFFStripSize(tif);
1886                 index = 0;
1887                 imgsize = image->comps[0].w * image->comps[0].h ;
1888                 /* Read the Image components*/
1889                 for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
1890                         unsigned char *dat8;
1891                         int i, ssize;
1892                         ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
1893                         dat8 = buf;
1894
1895                         if (Info.tiBps==12){
1896                                 for (i=0; i<ssize; i+=3) {      /* 12 bits per pixel*/
1897                                         if(index < imgsize){
1898                                                 image->comps[0].data[index]   = ( dat8[i+0]<<4 )                |(dat8[i+1]>>4) ;
1899                                                 image->comps[0].data[index+1] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
1900                                                 index+=2;
1901                                         }else
1902                                                 break;
1903                                 }
1904                         }
1905                         else if( Info.tiBps==16){
1906                                 for (i=0; i<ssize; i+=2) {      /* 16 bits per pixel */
1907                                         if(index < imgsize){
1908                                                 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
1909                                                 index++;
1910                                         }else
1911                                                 break;
1912                                 }
1913                         }
1914                         else if ( Info.tiBps==8){
1915                                 for (i=0; i<ssize; i+=1) {      /* 8 bits per pixel */
1916                                         if(index < imgsize){
1917                                                 image->comps[0].data[index] = dat8[i+0];
1918                                                 index++;
1919                                         }else
1920                                                 break;
1921                                 }
1922                         }
1923                         else{
1924                                 fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",Info.tiBps);
1925                                 fprintf(stderr,"Aborting\n");
1926                                 return NULL;
1927                         }
1928                 }
1929
1930                 _TIFFfree(buf);
1931                 TIFFClose(tif);
1932         }else{
1933                 fprintf(stderr,"TIFF file creation. Bad color format. Only RGB & Grayscale has been implemented\n");
1934                 fprintf(stderr,"Aborting\n");
1935                 return NULL;
1936         }
1937         return image;
1938 }
1939
1940 /* -->> -->> -->> -->>
1941
1942         RAW IMAGE FORMAT
1943
1944  <<-- <<-- <<-- <<-- */
1945
1946 opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
1947         int subsampling_dx = parameters->subsampling_dx;
1948         int subsampling_dy = parameters->subsampling_dy;
1949
1950         FILE *f = NULL;
1951         int i, compno, numcomps, w, h;
1952         OPJ_COLOR_SPACE color_space;
1953         opj_image_cmptparm_t *cmptparm;
1954         opj_image_t * image = NULL;
1955         unsigned short ch;
1956
1957         if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
1958         {
1959                 fprintf(stderr,"\nError: invalid raw image parameters\n");
1960                 fprintf(stderr,"Please use the Format option -F:\n");
1961                 fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
1962                 fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
1963                 fprintf(stderr,"Aborting\n");
1964                 return NULL;
1965         }
1966
1967         f = fopen(filename, "rb");
1968         if (!f) {
1969                 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
1970                 fprintf(stderr,"Aborting\n");
1971                 return NULL;
1972         }
1973         numcomps = raw_cp->rawComp;
1974         color_space = CLRSPC_SRGB;
1975         w = raw_cp->rawWidth;
1976         h = raw_cp->rawHeight;
1977         cmptparm = (opj_image_cmptparm_t*) malloc(numcomps * sizeof(opj_image_cmptparm_t));
1978
1979         /* initialize image components */
1980         memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t));
1981         for(i = 0; i < numcomps; i++) {
1982                 cmptparm[i].prec = raw_cp->rawBitDepth;
1983                 cmptparm[i].bpp = raw_cp->rawBitDepth;
1984                 cmptparm[i].sgnd = raw_cp->rawSigned;
1985                 cmptparm[i].dx = subsampling_dx;
1986                 cmptparm[i].dy = subsampling_dy;
1987                 cmptparm[i].w = w;
1988                 cmptparm[i].h = h;
1989         }
1990         /* create the image */
1991         image = opj_image_create(numcomps, &cmptparm[0], color_space);
1992         if(!image) {
1993                 fclose(f);
1994                 return NULL;
1995         }
1996         /* set image offset and reference grid */
1997         image->x0 = parameters->image_offset_x0;
1998         image->y0 = parameters->image_offset_y0;
1999         image->x1 = parameters->image_offset_x0 + (w - 1) *     subsampling_dx + 1;
2000         image->y1 = parameters->image_offset_y0 + (h - 1) *     subsampling_dy + 1;
2001
2002         if(raw_cp->rawBitDepth <= 8)
2003         {
2004                 unsigned char value = 0;
2005                 for(compno = 0; compno < numcomps; compno++) {
2006                         for (i = 0; i < w * h; i++) {
2007                                 if (!fread(&value, 1, 1, f)) {
2008                                         fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
2009                                         return NULL;
2010                                 }
2011                                 image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
2012                         }
2013                 }
2014         }
2015         else
2016         {
2017                 unsigned short value = 0;
2018                 for(compno = 0; compno < numcomps; compno++) {
2019                         for (i = 0; i < w * h; i++) {
2020                                 if (!fread(&value, 2, 1, f)) {
2021                                         fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
2022                                         return NULL;
2023                                 }
2024                                 image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
2025                         }
2026                 }
2027         }
2028
2029         if (fread(&ch, 1, 1, f)) {
2030                 fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
2031         }
2032         fclose(f);
2033
2034         return image;
2035 }
2036
2037 int imagetoraw(opj_image_t * image, const char *outfile)
2038 {
2039         FILE *rawFile = NULL;
2040         int compno;
2041         int w, h;
2042         int line, row;
2043         int *ptr;
2044
2045         if((image->numcomps * image->x1 * image->y1) == 0)
2046         {
2047                 fprintf(stderr,"\nError: invalid raw image parameters\n");
2048                 return 1;
2049         }
2050
2051         rawFile = fopen(outfile, "wb");
2052         if (!rawFile) {
2053                 fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
2054                 return 1;
2055         }
2056
2057         fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);
2058
2059         for(compno = 0; compno < image->numcomps; compno++)
2060         {
2061                 fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
2062                         image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");
2063
2064                 w = image->comps[compno].w;
2065                 h = image->comps[compno].h;
2066
2067                 if(image->comps[compno].prec <= 8)
2068                 {
2069                         if(image->comps[compno].sgnd == 1)
2070                         {
2071                                 signed char curr;
2072                                 int mask = (1 << image->comps[compno].prec) - 1;
2073                                 ptr = image->comps[compno].data;
2074                                 for (line = 0; line < h; line++) {
2075                                         for(row = 0; row < w; row++)    {
2076                                                 curr = (signed char) (*ptr & mask);
2077                                                 fwrite(&curr, sizeof(signed char), 1, rawFile);
2078                                                 ptr++;
2079                                         }
2080                                 }
2081                         }
2082                         else if(image->comps[compno].sgnd == 0)
2083                         {
2084                                 unsigned char curr;
2085                                 int mask = (1 << image->comps[compno].prec) - 1;
2086                                 ptr = image->comps[compno].data;
2087                                 for (line = 0; line < h; line++) {
2088                                         for(row = 0; row < w; row++)    {
2089                                                 curr = (unsigned char) (*ptr & mask);
2090                                                 fwrite(&curr, sizeof(unsigned char), 1, rawFile);
2091                                                 ptr++;
2092                                         }
2093                                 }
2094                         }
2095                 }
2096                 else if(image->comps[compno].prec <= 16)
2097                 {
2098                         if(image->comps[compno].sgnd == 1)
2099                         {
2100                                 signed short int curr;
2101                                 int mask = (1 << image->comps[compno].prec) - 1;
2102                                 ptr = image->comps[compno].data;
2103                                 for (line = 0; line < h; line++) {
2104                                         for(row = 0; row < w; row++)    {
2105                                                 curr = (signed short int) (*ptr & mask);
2106                                                 fwrite(&curr, sizeof(signed short int), 1, rawFile);
2107                                                 ptr++;
2108                                         }
2109                                 }
2110                         }
2111                         else if(image->comps[compno].sgnd == 0)
2112                         {
2113                                 unsigned short int curr;
2114                                 int mask = (1 << image->comps[compno].prec) - 1;
2115                                 ptr = image->comps[compno].data;
2116                                 for (line = 0; line < h; line++) {
2117                                         for(row = 0; row < w; row++)    {
2118                                                 curr = (unsigned short int) (*ptr & mask);
2119                                                 fwrite(&curr, sizeof(unsigned short int), 1, rawFile);
2120                                                 ptr++;
2121                                         }
2122                                 }
2123                         }
2124                 }
2125                 else if (image->comps[compno].prec <= 32)
2126                 {
2127                         fprintf(stderr,"More than 16 bits per component no handled yet\n");
2128                         return 1;
2129                 }
2130                 else
2131                 {
2132                         fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
2133                         return 1;
2134                 }
2135         }
2136         fclose(rawFile);
2137         return 0;
2138 }