2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2006-2007, Parvatha Elangovan
15 * All rights reserved.
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
38 #include "opj_apps_config.h"
45 #ifdef OPJ_HAVE_LIBTIFF
47 #endif /* OPJ_HAVE_LIBTIFF */
49 #ifdef OPJ_HAVE_LIBPNG
52 #endif /* OPJ_HAVE_LIBPNG */
58 * Get logarithm of an integer and round downwards.
62 static int int_floorlog2(int a) {
64 for (l = 0; a > 1; l++) {
70 /* -->> -->> -->> -->>
74 <<-- <<-- <<-- <<-- */
76 #ifdef INFORMATION_ONLY
77 /* TGA header definition. */
80 unsigned char id_length; /* Image id field length */
81 unsigned char colour_map_type; /* Colour map type */
82 unsigned char image_type; /* Image type */
84 ** Colour map specification
86 unsigned short colour_map_index; /* First entry index */
87 unsigned short colour_map_length; /* Colour map length */
88 unsigned char colour_map_entry_size; /* Colour map entry size */
90 ** Image specification
92 unsigned short x_origin; /* x origin of image */
93 unsigned short y_origin; /* u origin of image */
94 unsigned short image_width; /* Image width */
95 unsigned short image_height; /* Image height */
96 unsigned char pixel_depth; /* Pixel depth */
97 unsigned char image_desc; /* Image descriptor */
99 #endif /* INFORMATION_ONLY */
101 static unsigned short get_ushort(unsigned short val) {
103 #ifdef OPJ_BIG_ENDIAN
104 return( ((val & 0xff) << 8) + (val >> 8) );
111 #define TGA_HEADER_SIZE 18
113 static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
114 unsigned int *width, unsigned int *height, int *flip_image)
118 unsigned char id_len, /*cmap_type,*/ image_type;
119 unsigned char pixel_depth, image_desc;
120 unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size;
121 unsigned short /*x_origin, y_origin,*/ image_w, image_h;
123 if (!bits_per_pixel || !width || !height || !flip_image)
125 tga = (unsigned char*)malloc(18);
127 if ( fread(tga, TGA_HEADER_SIZE, 1, fp) != 1 )
129 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
132 id_len = (unsigned char)tga[0];
133 /*cmap_type = (unsigned char)tga[1];*/
134 image_type = (unsigned char)tga[2];
135 /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/
136 cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
137 cmap_entry_size = (unsigned char)tga[7];
141 x_origin = get_ushort(*(unsigned short*)(&tga[8]));
142 y_origin = get_ushort(*(unsigned short*)(&tga[10]));
144 image_w = get_ushort(*(unsigned short*)(&tga[12]));
145 image_h = get_ushort(*(unsigned short*)(&tga[14]));
146 pixel_depth = (unsigned char)tga[16];
147 image_desc = (unsigned char)tga[17];
151 *bits_per_pixel = (unsigned int)pixel_depth;
152 *width = (unsigned int)image_w;
153 *height = (unsigned int)image_h;
155 /* Ignore tga identifier, if present ... */
158 unsigned char *id = (unsigned char *) malloc(id_len);
159 if ( !fread(id, id_len, 1, fp) )
161 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
168 /* Test for compressed formats ... not yet supported ...
169 // Note :- 9 - RLE encoded palettized.
170 // 10 - RLE encoded RGB. */
173 fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
177 *flip_image = !(image_desc & 32);
179 /* Palettized formats are not yet supported, skip over the palette, if present ... */
180 palette_size = cmap_len * (cmap_entry_size/8);
184 fprintf(stderr, "File contains a palette - not yet supported.");
185 fseek(fp, palette_size, SEEK_CUR);
190 #ifdef OPJ_BIG_ENDIAN
192 static INLINE int16_t swap16(int16_t x)
194 return((((u_int16_t)x & 0x00ffU) << 8) |
195 (((u_int16_t)x & 0xff00U) >> 8));
200 static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
203 unsigned short image_w, image_h, us0;
204 unsigned char uc0, image_type;
205 unsigned char pixel_depth, image_desc;
207 if (!bits_per_pixel || !width || !height)
212 if ( bits_per_pixel < 256 )
213 pixel_depth = (unsigned char)bits_per_pixel;
215 fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
220 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
221 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */
223 image_type = 2; /* Uncompressed. */
224 if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;
227 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
228 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
229 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */
231 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
232 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */
234 image_w = (unsigned short)width;
235 image_h = (unsigned short) height;
237 #ifndef OPJ_BIG_ENDIAN
238 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
239 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
241 image_w = swap16(image_w);
242 image_h = swap16(image_h);
243 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
244 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
247 if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;
249 image_desc = 8; /* 8 bits per component. */
253 if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;
258 fputs("\nwrite_tgaheader: write ERROR\n", stderr);
262 opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
265 unsigned int image_width, image_height, pixel_bit_depth;
268 opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
270 OPJ_COLOR_SPACE color_space;
273 int subsampling_dx, subsampling_dy;
276 f = fopen(filename, "rb");
278 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
282 if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
285 /* We currently only support 24 & 32 bit tga's ... */
286 if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
289 /* initialize image components */
290 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
292 mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */
293 save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
296 color_space = OPJ_CLRSPC_GRAY;
297 numcomps = save_alpha ? 2 : 1;
300 numcomps = save_alpha ? 4 : 3;
301 color_space = OPJ_CLRSPC_SRGB;
304 subsampling_dx = parameters->subsampling_dx;
305 subsampling_dy = parameters->subsampling_dy;
307 for (i = 0; i < numcomps; i++) {
308 cmptparm[i].prec = 8;
310 cmptparm[i].sgnd = 0;
311 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
312 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
313 cmptparm[i].w = image_width;
314 cmptparm[i].h = image_height;
317 /* create the image */
318 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
323 /* set image offset and reference grid */
324 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
325 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
326 image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1;
327 image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1;
330 for (y=0; y < image_height; y++)
335 index = (int)((image_height-y-1)*image_width);
337 index = (int)(y*image_width);
341 for (x=0;x<image_width;x++)
345 if( !fread(&b, 1, 1, f) )
347 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
348 opj_image_destroy(image);
351 if ( !fread(&g, 1, 1, f) )
353 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
354 opj_image_destroy(image);
357 if ( !fread(&r, 1, 1, f) )
359 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
360 opj_image_destroy(image);
364 image->comps[0].data[index]=r;
365 image->comps[1].data[index]=g;
366 image->comps[2].data[index]=b;
370 else if (numcomps==4)
372 for (x=0;x<image_width;x++)
374 unsigned char r,g,b,a;
375 if ( !fread(&b, 1, 1, f) )
377 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
378 opj_image_destroy(image);
381 if ( !fread(&g, 1, 1, f) )
383 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
384 opj_image_destroy(image);
387 if ( !fread(&r, 1, 1, f) )
389 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
390 opj_image_destroy(image);
393 if ( !fread(&a, 1, 1, f) )
395 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
396 opj_image_destroy(image);
400 image->comps[0].data[index]=r;
401 image->comps[1].data[index]=g;
402 image->comps[2].data[index]=b;
403 image->comps[3].data[index]=a;
408 fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
414 int imagetotga(opj_image_t * image, const char *outfile) {
415 int width, height, bpp, x, y;
416 OPJ_BOOL write_alpha;
418 int adjustR, adjustG, adjustB, fails;
419 unsigned int alpha_channel;
427 fdest = fopen(outfile, "wb");
429 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
433 for (i = 0; i < image->numcomps-1; i++) {
434 if ((image->comps[0].dx != image->comps[i+1].dx)
435 ||(image->comps[0].dy != image->comps[i+1].dy)
436 ||(image->comps[0].prec != image->comps[i+1].prec)) {
437 fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
442 width = (int)image->comps[0].w;
443 height = (int)image->comps[0].h;
445 /* Mono with alpha, or RGB with alpha. */
446 write_alpha = (image->numcomps==2) || (image->numcomps==4);
448 /* Write TGA header */
449 bpp = write_alpha ? 32 : 24;
451 if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
454 alpha_channel = image->numcomps-1;
456 scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
458 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
459 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
460 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
462 for (y=0; y < height; y++)
464 unsigned int index= (unsigned int)(y*width);
466 for (x=0; x < width; x++, index++)
468 r = (float)(image->comps[0].data[index] + adjustR);
470 if (image->numcomps > 2)
472 g = (float)(image->comps[1].data[index] + adjustG);
473 b = (float)(image->comps[2].data[index] + adjustB);
481 /* TGA format writes BGR ... */
482 if(b > 255.) b = 255.; else if(b < 0.) b = 0.;
483 value = (unsigned char)(b*scale);
484 res = fwrite(&value,1,1,fdest);
488 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
491 if(g > 255.) g = 255.; else if(g < 0.) g = 0.;
492 value = (unsigned char)(g*scale);
493 res = fwrite(&value,1,1,fdest);
497 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
500 if(r > 255.) r = 255.; else if(r < 0.) r = 0.;
501 value = (unsigned char)(r*scale);
502 res = fwrite(&value,1,1,fdest);
506 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
512 a = (float)(image->comps[alpha_channel].data[index]);
513 if(a > 255.) a = 255.; else if(a < 0.) a = 0.;
514 value = (unsigned char)(a*scale);
515 res = fwrite(&value,1,1,fdest);
519 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
532 /* -->> -->> -->> -->>
536 <<-- <<-- <<-- <<-- */
538 /* WORD defines a two byte word */
539 typedef unsigned short int WORD;
541 /* DWORD defines a four byte word */
542 typedef unsigned int DWORD;
545 WORD bfType; /* 'BM' for Bitmap (19776) */
546 DWORD bfSize; /* Size of the file */
547 WORD bfReserved1; /* Reserved : 0 */
548 WORD bfReserved2; /* Reserved : 0 */
549 DWORD bfOffBits; /* Offset */
550 } BITMAPFILEHEADER_t;
553 DWORD biSize; /* Size of the structure in bytes */
554 DWORD biWidth; /* Width of the image in pixels */
555 DWORD biHeight; /* Heigth of the image in pixels */
556 WORD biPlanes; /* 1 */
557 WORD biBitCount; /* Number of color bits by pixels */
558 DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
559 DWORD biSizeImage; /* Size of the image in bytes */
560 DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
561 DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
562 DWORD biClrUsed; /* Number of color used in the image (0: ALL) */
563 DWORD biClrImportant; /* Number of important color (0: ALL) */
564 } BITMAPINFOHEADER_t;
566 opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
568 int subsampling_dx = parameters->subsampling_dx;
569 int subsampling_dy = parameters->subsampling_dy;
571 int i, numcomps, w, h;
572 OPJ_COLOR_SPACE color_space;
573 opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
574 opj_image_t * image = NULL;
577 BITMAPFILEHEADER_t File_h;
578 BITMAPINFOHEADER_t Info_h;
580 unsigned char *table_R, *table_G, *table_B;
581 unsigned int j, PAD = 0;
589 IN = fopen(filename, "rb");
592 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
596 File_h.bfType = (WORD)getc(IN);
597 File_h.bfType = (WORD)((getc(IN) << 8) + File_h.bfType);
599 if (File_h.bfType != 19778)
601 fprintf(stderr,"Error, not a BMP file!\n");
607 File_h.bfSize = (DWORD)getc(IN);
608 File_h.bfSize = (DWORD)(getc(IN) << 8) + File_h.bfSize;
609 File_h.bfSize = (DWORD)(getc(IN) << 16) + File_h.bfSize;
610 File_h.bfSize = (DWORD)(getc(IN) << 24) + File_h.bfSize;
612 File_h.bfReserved1 = (WORD)getc(IN);
613 File_h.bfReserved1 = (WORD)((getc(IN) << 8) + File_h.bfReserved1);
615 File_h.bfReserved2 = (WORD)getc(IN);
616 File_h.bfReserved2 = (WORD)((getc(IN) << 8) + File_h.bfReserved2);
618 File_h.bfOffBits = (DWORD)getc(IN);
619 File_h.bfOffBits = (DWORD)(getc(IN) << 8) + File_h.bfOffBits;
620 File_h.bfOffBits = (DWORD)(getc(IN) << 16) + File_h.bfOffBits;
621 File_h.bfOffBits = (DWORD)(getc(IN) << 24) + File_h.bfOffBits;
626 Info_h.biSize = (DWORD)getc(IN);
627 Info_h.biSize = (DWORD)(getc(IN) << 8) + Info_h.biSize;
628 Info_h.biSize = (DWORD)(getc(IN) << 16) + Info_h.biSize;
629 Info_h.biSize = (DWORD)(getc(IN) << 24) + Info_h.biSize;
631 if(Info_h.biSize != 40)
633 fprintf(stderr,"Error, unknown BMP header size %d\n", Info_h.biSize);
637 Info_h.biWidth = (DWORD)getc(IN);
638 Info_h.biWidth = (DWORD)(getc(IN) << 8) + Info_h.biWidth;
639 Info_h.biWidth = (DWORD)(getc(IN) << 16) + Info_h.biWidth;
640 Info_h.biWidth = (DWORD)(getc(IN) << 24) + Info_h.biWidth;
641 w = (int)Info_h.biWidth;
643 Info_h.biHeight = (DWORD)getc(IN);
644 Info_h.biHeight = (DWORD)(getc(IN) << 8) + Info_h.biHeight;
645 Info_h.biHeight = (DWORD)(getc(IN) << 16) + Info_h.biHeight;
646 Info_h.biHeight = (DWORD)(getc(IN) << 24) + Info_h.biHeight;
647 h = (int)Info_h.biHeight;
649 Info_h.biPlanes = (WORD)getc(IN);
650 Info_h.biPlanes = (WORD)((getc(IN) << 8) + Info_h.biPlanes);
652 Info_h.biBitCount = (WORD)getc(IN);
653 Info_h.biBitCount = (WORD)((getc(IN) << 8) + Info_h.biBitCount);
655 Info_h.biCompression = (DWORD)getc(IN);
656 Info_h.biCompression = (DWORD)(getc(IN) << 8) + Info_h.biCompression;
657 Info_h.biCompression = (DWORD)(getc(IN) << 16) + Info_h.biCompression;
658 Info_h.biCompression = (DWORD)(getc(IN) << 24) + Info_h.biCompression;
660 Info_h.biSizeImage = (DWORD)getc(IN);
661 Info_h.biSizeImage = (DWORD)(getc(IN) << 8) + Info_h.biSizeImage;
662 Info_h.biSizeImage = (DWORD)(getc(IN) << 16) + Info_h.biSizeImage;
663 Info_h.biSizeImage = (DWORD)(getc(IN) << 24) + Info_h.biSizeImage;
665 Info_h.biXpelsPerMeter = (DWORD)getc(IN);
666 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biXpelsPerMeter;
667 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biXpelsPerMeter;
668 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biXpelsPerMeter;
670 Info_h.biYpelsPerMeter = (DWORD)getc(IN);
671 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biYpelsPerMeter;
672 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biYpelsPerMeter;
673 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biYpelsPerMeter;
675 Info_h.biClrUsed = (DWORD)getc(IN);
676 Info_h.biClrUsed = (DWORD)(getc(IN) << 8) + Info_h.biClrUsed;
677 Info_h.biClrUsed = (DWORD)(getc(IN) << 16) + Info_h.biClrUsed;
678 Info_h.biClrUsed = (DWORD)(getc(IN) << 24) + Info_h.biClrUsed;
680 Info_h.biClrImportant = (DWORD)getc(IN);
681 Info_h.biClrImportant = (DWORD)(getc(IN) << 8) + Info_h.biClrImportant;
682 Info_h.biClrImportant = (DWORD)(getc(IN) << 16) + Info_h.biClrImportant;
683 Info_h.biClrImportant = (DWORD)(getc(IN) << 24) + Info_h.biClrImportant;
685 /* Read the data and store them in the OUT file */
687 if (Info_h.biBitCount == 24)
690 color_space = OPJ_CLRSPC_SRGB;
691 /* initialize image components */
692 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
693 for(i = 0; i < numcomps; i++)
695 cmptparm[i].prec = 8;
697 cmptparm[i].sgnd = 0;
698 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
699 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
700 cmptparm[i].w = (OPJ_UINT32)w;
701 cmptparm[i].h = (OPJ_UINT32)h;
703 /* create the image */
704 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
711 /* set image offset and reference grid */
712 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
713 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
714 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
715 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
719 /* Place the cursor at the beginning of the image information */
720 fseek(IN, 0, SEEK_SET);
721 fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
726 /* PAD = 4 - (3 * W) % 4; */
727 /* PAD = (PAD == 4) ? 0 : PAD; */
728 PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
730 RGB = (unsigned char *)
731 malloc((3 * W + PAD) * H * sizeof(unsigned char));
733 if ( fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN) != (3 * W + PAD) * H )
736 opj_image_destroy(image);
737 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
743 for(y = 0; y < H; y++)
745 unsigned char *scanline = RGB + (3 * (unsigned int)W + PAD) * ((unsigned int)H - 1 - (unsigned int)y);
746 for(x = 0; x < W; x++)
748 unsigned char *pixel = &scanline[3 * x];
749 image->comps[0].data[index] = pixel[2]; /* R */
750 image->comps[1].data[index] = pixel[1]; /* G */
751 image->comps[2].data[index] = pixel[0]; /* B */
756 }/* if (Info_h.biBitCount == 24) */
758 if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */
760 if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
762 if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256;
764 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
765 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
766 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
769 for (j = 0; j < Info_h.biClrUsed; j++)
771 table_B[j] = (unsigned char)getc(IN);
772 table_G[j] = (unsigned char)getc(IN);
773 table_R[j] = (unsigned char)getc(IN);
776 !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
778 if(has_color) gray_scale = 0;
780 /* Place the cursor at the beginning of the image information */
781 fseek(IN, 0, SEEK_SET);
782 fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
786 if (Info_h.biWidth % 2)
789 numcomps = gray_scale ? 1 : 3;
790 color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
791 /* initialize image components */
792 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
793 for(i = 0; i < numcomps; i++)
795 cmptparm[i].prec = 8;
797 cmptparm[i].sgnd = 0;
798 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
799 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
800 cmptparm[i].w = (OPJ_UINT32)w;
801 cmptparm[i].h = (OPJ_UINT32)h;
803 /* create the image */
804 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
808 free(table_R); free(table_G); free(table_B);
812 /* set image offset and reference grid */
813 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
814 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
815 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
816 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
820 RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
822 if ( fread(RGB, sizeof(unsigned char), W * H, IN) != W * H )
828 opj_image_destroy(image);
829 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
835 for (j = 0; j < W * H; j++)
837 if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2))
839 image->comps[0].data[index] =
840 table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
849 for (j = 0; j < W * H; j++)
851 if ((j % W < W - 1 && Info_h.biWidth % 2)
852 || !(Info_h.biWidth % 2))
854 unsigned char pixel_index =
855 RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
856 image->comps[0].data[index] = table_R[pixel_index];
857 image->comps[1].data[index] = table_G[pixel_index];
858 image->comps[2].data[index] = table_B[pixel_index];
869 if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/
871 unsigned char *pix, *beyond;
872 int *gray, *red, *green, *blue;
877 if (Info_h.biClrUsed == 0)
878 Info_h.biClrUsed = 256;
879 else if (Info_h.biClrUsed > 256)
880 Info_h.biClrUsed = 256;
882 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
883 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
884 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
887 for (j = 0; j < Info_h.biClrUsed; j++)
889 table_B[j] = (unsigned char)getc(IN);
890 table_G[j] = (unsigned char)getc(IN);
891 table_R[j] = (unsigned char)getc(IN);
893 has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
899 numcomps = gray_scale ? 1 : 3;
900 color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
901 /* initialize image components */
902 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
903 for (i = 0; i < numcomps; i++)
905 cmptparm[i].prec = 8;
907 cmptparm[i].sgnd = 0;
908 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
909 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
910 cmptparm[i].w = (OPJ_UINT32)w;
911 cmptparm[i].h = (OPJ_UINT32)h;
913 /* create the image */
914 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
924 /* set image offset and reference grid */
925 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
926 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
927 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
928 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
932 /* Place the cursor at the beginning of the image information */
933 fseek(IN, 0, SEEK_SET);
934 fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
938 RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char));
939 beyond = RGB + W * H;
951 for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++)
952 *pix = (unsigned char)c1;
958 if (c == 0x00) /* EOL */
962 pix = RGB + x + (H - y - 1) * W;
964 else if (c == 0x01) /* EOP */
966 else if (c == 0x02) /* MOVE by dxdy */
969 x += (unsigned int)c;
971 y += (unsigned int)c;
972 pix = RGB + (H - y - 1) * W + x;
977 for (; i < c && x < W && pix < beyond; i++, x++, pix++)
980 *pix = (unsigned char)c1;
982 if (c & 1) /* skip padding byte */
990 gray = image->comps[0].data;
998 *gray++ = table_R[uc];
1003 /*int *red, *green, *blue;*/
1005 red = image->comps[0].data;
1006 green = image->comps[1].data;
1007 blue = image->comps[2].data;
1015 *red++ = table_R[uc];
1016 *green++ = table_G[uc];
1017 *blue++ = table_B[uc];
1028 "Other system than 24 bits/pixels or 8 bits (no RLE coding) "
1029 "is not yet implemented [%d]\n", Info_h.biBitCount);
1035 int imagetobmp(opj_image_t * image, const char *outfile) {
1039 int adjustR, adjustG, adjustB;
1041 if (image->comps[0].prec < 8) {
1042 fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec);
1045 if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
1046 && image->comps[1].dx == image->comps[2].dx
1047 && image->comps[0].dy == image->comps[1].dy
1048 && image->comps[1].dy == image->comps[2].dy
1049 && image->comps[0].prec == image->comps[1].prec
1050 && image->comps[1].prec == image->comps[2].prec) {
1052 /* -->> -->> -->> -->>
1054 <<-- <<-- <<-- <<-- */
1056 fdest = fopen(outfile, "wb");
1058 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1062 w = (int)image->comps[0].w;
1063 h = (int)image->comps[0].h;
1065 fprintf(fdest, "BM");
1069 fprintf(fdest, "%c%c%c%c",
1070 (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
1071 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff,
1072 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff,
1073 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff);
1074 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1075 fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
1079 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
1080 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
1081 (unsigned char) ((w) >> 8) & 0xff,
1082 (unsigned char) ((w) >> 16) & 0xff,
1083 (unsigned char) ((w) >> 24) & 0xff);
1084 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
1085 (unsigned char) ((h) >> 8) & 0xff,
1086 (unsigned char) ((h) >> 16) & 0xff,
1087 (unsigned char) ((h) >> 24) & 0xff);
1088 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
1089 fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
1090 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1091 fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
1092 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
1093 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
1094 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
1095 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1096 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1097 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1098 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1100 if (image->comps[0].prec > 8) {
1101 adjustR = (int)image->comps[0].prec - 8;
1102 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
1106 if (image->comps[1].prec > 8) {
1107 adjustG = (int)image->comps[1].prec - 8;
1108 printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
1112 if (image->comps[2].prec > 8) {
1113 adjustB = (int)image->comps[2].prec - 8;
1114 printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
1119 for (i = 0; i < w * h; i++) {
1120 unsigned char rc, gc, bc;
1123 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1124 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1125 r = ((r >> adjustR)+((r >> (adjustR-1))%2));
1126 if(r > 255) r = 255; else if(r < 0) r = 0;
1127 rc = (unsigned char)r;
1129 g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1130 g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
1131 g = ((g >> adjustG)+((g >> (adjustG-1))%2));
1132 if(g > 255) g = 255; else if(g < 0) g = 0;
1133 gc = (unsigned char)g;
1135 b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1136 b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
1137 b = ((b >> adjustB)+((b >> (adjustB-1))%2));
1138 if(b > 255) b = 255; else if(b < 0) b = 0;
1139 bc = (unsigned char)b;
1141 fprintf(fdest, "%c%c%c", bc, gc, rc);
1143 if ((i + 1) % w == 0) {
1144 for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) /* ADD */
1145 fprintf(fdest, "%c", 0);
1149 } else { /* Gray-scale */
1151 /* -->> -->> -->> -->>
1152 8 bits non code (Gray scale)
1153 <<-- <<-- <<-- <<-- */
1155 fdest = fopen(outfile, "wb");
1156 w = (int)image->comps[0].w;
1157 h = (int)image->comps[0].h;
1159 fprintf(fdest, "BM");
1163 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
1164 (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
1165 (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
1166 (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
1167 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1168 fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
1169 ((54 + 1024) >> 16) & 0xff,
1170 ((54 + 1024) >> 24) & 0xff);
1174 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
1175 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
1176 (unsigned char) ((w) >> 8) & 0xff,
1177 (unsigned char) ((w) >> 16) & 0xff,
1178 (unsigned char) ((w) >> 24) & 0xff);
1179 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
1180 (unsigned char) ((h) >> 8) & 0xff,
1181 (unsigned char) ((h) >> 16) & 0xff,
1182 (unsigned char) ((h) >> 24) & 0xff);
1183 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
1184 fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
1185 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1186 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
1187 (unsigned char) ((h * w + h * (w % 2)) >> 8) & 0xff,
1188 (unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff,
1189 (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
1190 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1191 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1192 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1193 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1195 if (image->comps[0].prec > 8) {
1196 adjustR = (int)image->comps[0].prec - 8;
1197 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
1201 for (i = 0; i < 256; i++) {
1202 fprintf(fdest, "%c%c%c%c", i, i, i, 0);
1205 for (i = 0; i < w * h; i++) {
1208 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1209 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1210 r = ((r >> adjustR)+((r >> (adjustR-1))%2));
1211 if(r > 255) r = 255; else if(r < 0) r = 0;
1213 fprintf(fdest, "%c", (unsigned char)r);
1215 if ((i + 1) % w == 0) {
1216 for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) /* ADD */
1217 fprintf(fdest, "%c", 0);
1226 /* -->> -->> -->> -->>
1230 <<-- <<-- <<-- <<-- */
1233 static unsigned char readuchar(FILE * f)
1236 if ( !fread(&c1, 1, 1, f) )
1238 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1244 static unsigned short readushort(FILE * f, int bigendian)
1246 unsigned char c1, c2;
1247 if ( !fread(&c1, 1, 1, f) )
1249 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1252 if ( !fread(&c2, 1, 1, f) )
1254 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1258 return (unsigned short)((c1 << 8) + c2);
1260 return (unsigned short)((c2 << 8) + c1);
1263 static unsigned int readuint(FILE * f, int bigendian)
1265 unsigned char c1, c2, c3, c4;
1266 if ( !fread(&c1, 1, 1, f) )
1268 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1271 if ( !fread(&c2, 1, 1, f) )
1273 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1276 if ( !fread(&c3, 1, 1, f) )
1278 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1281 if ( !fread(&c4, 1, 1, f) )
1283 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1287 return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4;
1289 return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(c2 << 8) + c1;
1292 opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
1295 int i, numcomps, max;
1296 OPJ_COLOR_SPACE color_space;
1297 opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
1298 opj_image_t * image = NULL;
1299 int adjustS, ushift, dshift, force8;
1301 char endian1,endian2,sign;
1306 opj_image_comp_t *comp = NULL;
1309 color_space = OPJ_CLRSPC_GRAY;
1311 memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
1315 f = fopen(filename, "rb");
1317 fprintf(stderr, "Failed to open %s for reading !\n", filename);
1321 fseek(f, 0, SEEK_SET);
1322 if( fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h) != 9){
1323 fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n");
1329 while (signtmp[i]!='\0') {
1330 if (signtmp[i]=='-') sign='-';
1335 if (endian1=='M' && endian2=='L') {
1337 } else if (endian2=='M' && endian1=='L') {
1340 fprintf(stderr, "Bad pgx header, please check input file\n");
1344 /* initialize image component */
1346 cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
1347 cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
1348 cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1;
1349 cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1;
1359 ushift = 8 - prec; dshift = prec - ushift;
1360 if(cmptparm.sgnd) adjustS = (1<<(prec - 1)); else adjustS = 0;
1364 else ushift = dshift = force8 = adjustS = 0;
1366 cmptparm.prec = (OPJ_UINT32)prec;
1367 cmptparm.bpp = (OPJ_UINT32)prec;
1368 cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx;
1369 cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy;
1371 /* create the image */
1372 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space);
1377 /* set image offset and reference grid */
1378 image->x0 = cmptparm.x0;
1379 image->y0 = cmptparm.x0;
1380 image->x1 = cmptparm.w;
1381 image->y1 = cmptparm.h;
1383 /* set image data */
1385 comp = &image->comps[0];
1387 for (i = 0; i < w * h; i++) {
1391 v = readuchar(f) + adjustS;
1392 v = (v<<ushift) + (v>>dshift);
1393 comp->data[i] = (unsigned char)v;
1395 if(v > max) max = v;
1399 if (comp->prec == 8) {
1403 v = (char) readuchar(f);
1405 } else if (comp->prec <= 16) {
1407 v = readushort(f, bigendian);
1409 v = (short) readushort(f, bigendian);
1413 v = (int)readuint(f, bigendian);
1415 v = (int) readuint(f, bigendian);
1423 comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1;
1428 #define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)
1430 static INLINE int clamp( const int value, const int prec, const int sgnd )
1434 if (prec <= 8) return CLAMP(value,-128,127);
1435 else if (prec <= 16) return CLAMP(value,-32768,32767);
1436 else return CLAMP(value,-2147483647-1,2147483647);
1440 if (prec <= 8) return CLAMP(value,0,255);
1441 else if (prec <= 16) return CLAMP(value,0,65535);
1442 else return value; /*CLAMP(value,0,4294967295);*/
1446 int imagetopgx(opj_image_t * image, const char *outfile)
1449 int i, j, fails = 1;
1450 unsigned int compno;
1453 for (compno = 0; compno < image->numcomps; compno++)
1455 opj_image_comp_t *comp = &image->comps[compno];
1456 char bname[256]; /* buffer for name */
1457 char *name = bname; /* pointer */
1460 const size_t olen = strlen(outfile);
1461 const size_t dotpos = olen - 4;
1462 const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
1464 if( outfile[dotpos] != '.' )
1466 /* `pgx` was recognized but there is no dot at expected position */
1467 fprintf(stderr, "ERROR -> Impossible happen." );
1472 name = (char*)malloc(total+1);
1474 strncpy(name, outfile, dotpos);
1475 sprintf(name+dotpos, "_%d.pgx", compno);
1476 fdest = fopen(name, "wb");
1477 /* dont need name anymore */
1478 if( total > 256 ) free(name);
1481 fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1485 w = (int)image->comps[compno].w;
1486 h = (int)image->comps[compno].h;
1488 fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
1491 if (comp->prec <= 8)
1493 else if (comp->prec <= 16)
1498 for (i = 0; i < w * h; i++)
1500 /* FIXME: clamp func is being called within a loop */
1501 const int val = clamp(image->comps[compno].data[i],
1502 (int)comp->prec, (int)comp->sgnd);
1504 for (j = nbytes - 1; j >= 0; j--)
1506 int v = (int)(val >> (j * 8));
1507 unsigned char byte = (unsigned char)v;
1508 res = fwrite(&byte, 1, 1, fdest);
1512 fprintf(stderr, "failed to write 1 byte for %s\n", name);
1517 fclose(fdest); fdest = NULL;
1521 if(fdest) fclose(fdest);
1526 /* -->> -->> -->> -->>
1530 <<-- <<-- <<-- <<-- */
1534 int width, height, maxval, depth, format;
1535 char rgb, rgba, gray, graya, bw;
1539 static char *skip_white(char *s)
1543 if(*s == '\n' || *s == '\r') return NULL;
1544 if(isspace(*s)) { ++s; continue; }
1550 static char *skip_int(char *start, int *out_n)
1555 *out_n = 0; s = start;
1557 s = skip_white(start);
1558 if(s == NULL) return NULL;
1563 if( !isdigit(*s)) break;
1566 c = *s; *s = 0; *out_n = atoi(start); *s = c;
1570 static char *skip_idf(char *start, char out_idf[256])
1575 s = skip_white(start);
1576 if(s == NULL) return NULL;
1581 if(isalpha(*s) || *s == '_') { ++s; continue; }
1584 c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c;
1588 static void read_pnm_header(FILE *reader, struct pnm_header *ph)
1591 int format, have_wh, end, ttype;
1592 char idf[256], type[256];
1595 if (fgets(line, 250, reader) == NULL)
1597 fprintf(stderr,"\nWARNING: fgets return a NULL value");
1603 fprintf(stderr,"read_pnm_header:PNM:magic P missing\n"); return;
1605 format = atoi(line + 1);
1606 if(format < 1 || format > 7)
1608 fprintf(stderr,"read_pnm_header:magic format %d invalid\n", format);
1611 ph->format = format;
1612 ttype = end = have_wh = 0;
1614 while(fgets(line, 250, reader))
1616 if(*line == '#') continue;
1622 s = skip_idf(s, idf);
1624 if(s == NULL || *s == 0) return;
1626 if(strcmp(idf, "ENDHDR") == 0)
1630 if(strcmp(idf, "WIDTH") == 0)
1632 s = skip_int(s, &ph->width);
1633 if(s == NULL || *s == 0) return;
1637 if(strcmp(idf, "HEIGHT") == 0)
1639 s = skip_int(s, &ph->height);
1640 if(s == NULL || *s == 0) return;
1644 if(strcmp(idf, "DEPTH") == 0)
1646 s = skip_int(s, &ph->depth);
1647 if(s == NULL || *s == 0) return;
1651 if(strcmp(idf, "MAXVAL") == 0)
1653 s = skip_int(s, &ph->maxval);
1654 if(s == NULL || *s == 0) return;
1658 if(strcmp(idf, "TUPLTYPE") == 0)
1660 s = skip_idf(s, type);
1661 if(s == NULL || *s == 0) return;
1663 if(strcmp(type, "BLACKANDWHITE") == 0)
1665 ph->bw = 1; ttype = 1; continue;
1667 if(strcmp(type, "GRAYSCALE") == 0)
1669 ph->gray = 1; ttype = 1; continue;
1671 if(strcmp(type, "GRAYSCALE_ALPHA") == 0)
1673 ph->graya = 1; ttype = 1; continue;
1675 if(strcmp(type, "RGB") == 0)
1677 ph->rgb = 1; ttype = 1; continue;
1679 if(strcmp(type, "RGB_ALPHA") == 0)
1681 ph->rgba = 1; ttype = 1; continue;
1683 fprintf(stderr,"read_pnm_header:unknown P7 TUPLTYPE %s\n",type);
1686 fprintf(stderr,"read_pnm_header:unknown P7 idf %s\n",idf);
1688 } /* if(format == 7) */
1692 s = skip_int(s, &ph->width);
1694 s = skip_int(s, &ph->height);
1698 if(format == 1 || format == 4) break;
1702 if(format == 2 || format == 3 || format == 5 || format == 6)
1704 /* P2, P3, P5, P6: */
1705 s = skip_int(s, &ph->maxval);
1707 if(ph->maxval > 65535) return;
1710 }/* while(fgets( ) */
1711 if(format == 2 || format == 3 || format > 4)
1713 if(ph->maxval < 1 || ph->maxval > 65535) return;
1715 if(ph->width < 1 || ph->height < 1) return;
1721 fprintf(stderr,"read_pnm_header:P7 without ENDHDR\n"); return;
1723 if(ph->depth < 1 || ph->depth > 4) return;
1725 if(ph->width && ph->height && ph->depth && ph->maxval && ttype)
1730 if(format != 1 && format != 4)
1732 if(ph->width && ph->height && ph->maxval) ph->ok = 1;
1736 if(ph->width && ph->height) ph->ok = 1;
1742 static int has_prec(int val)
1744 if(val < 2) return 1;
1745 if(val < 4) return 2;
1746 if(val < 8) return 3;
1747 if(val < 16) return 4;
1748 if(val < 32) return 5;
1749 if(val < 64) return 6;
1750 if(val < 128) return 7;
1751 if(val < 256) return 8;
1752 if(val < 512) return 9;
1753 if(val < 1024) return 10;
1754 if(val < 2048) return 11;
1755 if(val < 4096) return 12;
1756 if(val < 8192) return 13;
1757 if(val < 16384) return 14;
1758 if(val < 32768) return 15;
1762 opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
1763 int subsampling_dx = parameters->subsampling_dx;
1764 int subsampling_dy = parameters->subsampling_dy;
1767 int i, compno, numcomps, w, h, prec, format;
1768 OPJ_COLOR_SPACE color_space;
1769 opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */
1770 opj_image_t * image = NULL;
1771 struct pnm_header header_info;
1773 if((fp = fopen(filename, "rb")) == NULL)
1775 fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n",filename);
1778 memset(&header_info, 0, sizeof(struct pnm_header));
1780 read_pnm_header(fp, &header_info);
1782 if(!header_info.ok) { fclose(fp); return NULL; }
1784 format = header_info.format;
1788 case 1: /* ascii bitmap */
1789 case 4: /* raw bitmap */
1793 case 2: /* ascii greymap */
1794 case 5: /* raw greymap */
1798 case 3: /* ascii pixmap */
1799 case 6: /* raw pixmap */
1803 case 7: /* arbitrary map */
1804 numcomps = header_info.depth;
1807 default: fclose(fp); return NULL;
1810 color_space = OPJ_CLRSPC_GRAY;/* GRAY, GRAYA */
1812 color_space = OPJ_CLRSPC_SRGB;/* RGB, RGBA */
1814 prec = has_prec(header_info.maxval);
1816 if(prec < 8) prec = 8;
1818 w = header_info.width;
1819 h = header_info.height;
1820 subsampling_dx = parameters->subsampling_dx;
1821 subsampling_dy = parameters->subsampling_dy;
1823 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
1825 for(i = 0; i < numcomps; i++)
1827 cmptparm[i].prec = (OPJ_UINT32)prec;
1828 cmptparm[i].bpp = (OPJ_UINT32)prec;
1829 cmptparm[i].sgnd = 0;
1830 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
1831 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
1832 cmptparm[i].w = (OPJ_UINT32)w;
1833 cmptparm[i].h = (OPJ_UINT32)h;
1835 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
1837 if(!image) { fclose(fp); return NULL; }
1839 /* set image offset and reference grid */
1840 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
1841 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
1842 image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1);
1843 image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1);
1845 if((format == 2) || (format == 3)) /* ascii pixmap */
1849 for (i = 0; i < w * h; i++)
1851 for(compno = 0; compno < numcomps; compno++)
1854 if (fscanf(fp, "%u", &index) != 1)
1855 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1857 image->comps[compno].data[i] = (OPJ_INT32)(index * 255)/header_info.maxval;
1865 && ( header_info.gray || header_info.graya
1866 || header_info.rgb || header_info.rgba)))/* binary pixmap */
1868 unsigned char c0, c1, one;
1872 for (i = 0; i < w * h; i++)
1874 for(compno = 0; compno < numcomps; compno++)
1876 if ( !fread(&c0, 1, 1, fp) )
1878 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1879 opj_image_destroy(image);
1884 image->comps[compno].data[i] = c0;
1888 if ( !fread(&c1, 1, 1, fp) )
1889 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1891 image->comps[compno].data[i] = ((c0<<8) | c1);
1897 if(format == 1) /* ascii bitmap */
1899 for (i = 0; i < w * h; i++)
1903 if ( fscanf(fp, "%u", &index) != 1)
1904 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1906 image->comps[0].data[i] = (index?0:255);
1916 for(y = 0; y < h; ++y)
1920 for(x = 0; x < w; ++x)
1925 uc = (unsigned char)getc(fp);
1927 image->comps[0].data[i] = (((uc>>bit) & 1)?0:255);
1933 if((format == 7 && header_info.bw)) /*MONO*/
1937 for(i = 0; i < w * h; ++i)
1939 if ( !fread(&uc, 1, 1, fp) )
1940 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1941 image->comps[0].data[i] = (uc & 1)?0:255;
1949 int imagetopnm(opj_image_t * image, const char *outfile)
1951 int *red, *green, *blue, *alpha;
1954 unsigned int compno, ncomp;
1955 int adjustR, adjustG, adjustB, adjustA;
1956 int fails, two, want_gray, has_alpha, triple;
1959 const char *tmp = outfile;
1964 if((prec = (int)image->comps[0].prec) > 16)
1966 fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
1967 "\n\t: refused.\n",__FILE__,__LINE__,prec);
1970 two = has_alpha = 0; fails = 1;
1971 ncomp = image->numcomps;
1973 while (*tmp) ++tmp; tmp -= 2;
1974 want_gray = (*tmp == 'g' || *tmp == 'G');
1975 ncomp = image->numcomps;
1977 if(want_gray) ncomp = 1;
1979 if (ncomp == 2 /* GRAYA */
1980 || (ncomp > 2 /* RGB, RGBA */
1981 && image->comps[0].dx == image->comps[1].dx
1982 && image->comps[1].dx == image->comps[2].dx
1983 && image->comps[0].dy == image->comps[1].dy
1984 && image->comps[1].dy == image->comps[2].dy
1985 && image->comps[0].prec == image->comps[1].prec
1986 && image->comps[1].prec == image->comps[2].prec
1989 fdest = fopen(outfile, "wb");
1993 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1997 triple = (ncomp > 2);
1998 wr = (int)image->comps[0].w; hr = (int)image->comps[0].h;
1999 max = (1<<prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2);
2001 red = image->comps[0].data;
2005 green = image->comps[1].data;
2006 blue = image->comps[2].data;
2008 else green = blue = NULL;
2012 const char *tt = (triple?"RGB_ALPHA":"GRAYSCALE_ALPHA");
2014 fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n"
2015 "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
2016 wr, hr, ncomp, max, tt);
2017 alpha = image->comps[ncomp - 1].data;
2018 adjustA = (image->comps[ncomp - 1].sgnd ?
2019 1 << (image->comps[ncomp - 1].prec - 1) : 0);
2023 fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
2024 opj_version(), wr, hr, max);
2027 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
2031 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
2032 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
2034 else adjustG = adjustB = 0;
2036 for(i = 0; i < wr * hr; ++i)
2040 v = *red + adjustR; ++red;
2041 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2044 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2048 v = *green + adjustG; ++green;
2049 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2052 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2054 v = *blue + adjustB; ++blue;
2055 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2058 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2064 v = *alpha + adjustA; ++alpha;
2065 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2068 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2076 if(v > 255) v = 255; else if(v < 0) v = 0;
2078 fprintf(fdest, "%c", (unsigned char)v);
2082 if(v > 255) v = 255; else if(v < 0) v = 0;
2084 fprintf(fdest, "%c", (unsigned char)v);
2086 if(v > 255) v = 255; else if(v < 0) v = 0;
2088 fprintf(fdest, "%c", (unsigned char)v);
2093 if(v > 255) v = 255; else if(v < 0) v = 0;
2095 fprintf(fdest, "%c", (unsigned char)v);
2099 fclose(fdest); return 0;
2104 if (image->numcomps > ncomp)
2106 fprintf(stderr,"WARNING -> [PGM file] Only the first component\n");
2107 fprintf(stderr," is written to the file\n");
2109 destname = (char*)malloc(strlen(outfile) + 8);
2111 for (compno = 0; compno < ncomp; compno++)
2115 /*sprintf(destname, "%d.%s", compno, outfile);*/
2116 const size_t olen = strlen(outfile);
2117 const size_t dotpos = olen - 4;
2119 strncpy(destname, outfile, dotpos);
2120 sprintf(destname+dotpos, "_%d.pgm", compno);
2123 sprintf(destname, "%s", outfile);
2125 fdest = fopen(destname, "wb");
2128 fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
2132 wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h;
2133 prec = (int)image->comps[compno].prec;
2134 max = (1<<prec) - 1;
2136 fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
2137 opj_version(), wr, hr, max);
2139 red = image->comps[compno].data;
2141 (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
2145 for (i = 0; i < wr * hr; i++)
2147 v = *red + adjustR; ++red;
2148 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2151 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2156 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2159 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2163 else /* prec <= 8 */
2165 for(i = 0; i < wr * hr; ++i)
2167 v = *red + adjustR; ++red;
2168 if(v > 255) v = 255; else if(v < 0) v = 0;
2170 fprintf(fdest, "%c", (unsigned char)v);
2180 #ifdef OPJ_HAVE_LIBTIFF
2181 /* -->> -->> -->> -->>
2185 <<-- <<-- <<-- <<-- */
2187 int imagetotif(opj_image_t * image, const char *outfile)
2189 int width, height, imgsize;
2190 int bps,index,adjust, sgnd;
2191 int ushift, dshift, has_alpha, force16;
2197 ushift = dshift = force16 = has_alpha = 0;
2198 bps = (int)image->comps[0].prec;
2200 if(bps > 8 && bps < 16)
2202 ushift = 16 - bps; dshift = bps - ushift;
2203 bps = 16; force16 = 1;
2206 if(bps != 8 && bps != 16)
2208 fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits implemented\n",
2210 fprintf(stderr,"\tAborting\n");
2213 tif = TIFFOpen(outfile, "wb");
2217 fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile);
2220 sgnd = (int)image->comps[0].sgnd;
2221 adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0;
2223 if(image->numcomps >= 3
2224 && image->comps[0].dx == image->comps[1].dx
2225 && image->comps[1].dx == image->comps[2].dx
2226 && image->comps[0].dy == image->comps[1].dy
2227 && image->comps[1].dy == image->comps[2].dy
2228 && image->comps[0].prec == image->comps[1].prec
2229 && image->comps[1].prec == image->comps[2].prec)
2231 has_alpha = (image->numcomps == 4);
2233 width = (int)image->comps[0].w;
2234 height = (int)image->comps[0].h;
2235 imgsize = width * height ;
2237 TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
2238 TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
2239 TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha);
2240 TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
2241 TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
2242 TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
2243 TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
2244 TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
2245 strip_size = TIFFStripSize(tif);
2246 buf = _TIFFmalloc(strip_size);
2249 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2251 unsigned char *dat8;
2252 tsize_t i, ssize, last_i = 0;
2254 ssize = TIFFStripSize(tif);
2255 dat8 = (unsigned char*)buf;
2259 step = 3 + has_alpha;
2262 for(i=0; i < ssize - restx; i += step)
2268 r = image->comps[0].data[index];
2269 g = image->comps[1].data[index];
2270 b = image->comps[2].data[index];
2271 if(has_alpha) a = image->comps[3].data[index];
2278 if(has_alpha) a += adjust;
2280 if(r > 255) r = 255; else if(r < 0) r = 0;
2281 dat8[i+0] = (unsigned char)r ;
2282 if(g > 255) g = 255; else if(g < 0) g = 0;
2283 dat8[i+1] = (unsigned char)g ;
2284 if(b > 255) b = 255; else if(b < 0) b = 0;
2285 dat8[i+2] = (unsigned char)b ;
2288 if(a > 255) a = 255; else if(a < 0) a = 0;
2289 dat8[i+3] = (unsigned char)a;
2301 for(i = last_i; i < ssize; i += step)
2307 r = image->comps[0].data[index];
2308 g = image->comps[1].data[index];
2309 b = image->comps[2].data[index];
2310 if(has_alpha) a = image->comps[3].data[index];
2317 if(has_alpha) a += adjust;
2319 if(r > 255) r = 255; else if(r < 0) r = 0;
2320 if(g > 255) g = 255; else if(g < 0) g = 0;
2321 if(b > 255) b = 255; else if(b < 0) b = 0;
2323 dat8[i+0] = (unsigned char)r ;
2324 if(i+1 < ssize) dat8[i+1] = (unsigned char)g ; else break;
2325 if(i+2 < ssize) dat8[i+2] = (unsigned char)b ; else break;
2328 if(a > 255) a = 255; else if(a < 0) a = 0;
2330 if(i+3 < ssize) dat8[i+3] = (unsigned char)a ; else break;
2337 }/*if(last_i < ssize)*/
2343 step = 6 + has_alpha + has_alpha;
2346 for(i = 0; i < ssize - restx ; i += step)
2352 r = image->comps[0].data[index];
2353 g = image->comps[1].data[index];
2354 b = image->comps[2].data[index];
2355 if(has_alpha) a = image->comps[3].data[index];
2362 if(has_alpha) a += adjust;
2366 r = (r<<ushift) + (r>>dshift);
2367 g = (g<<ushift) + (g>>dshift);
2368 b = (b<<ushift) + (b>>dshift);
2369 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2371 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2372 if(g > 65535) g = 65535; else if(g < 0) g = 0;
2373 if(b > 65535) b = 65535; else if(b < 0) b = 0;
2375 dat8[i+0] = (unsigned char)r;/*LSB*/
2376 dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
2377 dat8[i+2] = (unsigned char)g;
2378 dat8[i+3] = (unsigned char)(g >> 8);
2379 dat8[i+4] = (unsigned char)b;
2380 dat8[i+5] = (unsigned char)(b >> 8);
2383 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2384 dat8[i+6] = (unsigned char)a;
2385 dat8[i+7] = (unsigned char)(a >> 8);
2396 for(i = last_i ; i < ssize ; i += step)
2402 r = image->comps[0].data[index];
2403 g = image->comps[1].data[index];
2404 b = image->comps[2].data[index];
2405 if(has_alpha) a = image->comps[3].data[index];
2412 if(has_alpha) a += adjust;
2416 r = (r<<ushift) + (r>>dshift);
2417 g = (g<<ushift) + (g>>dshift);
2418 b = (b<<ushift) + (b>>dshift);
2419 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2421 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2422 if(g > 65535) g = 65535; else if(g < 0) g = 0;
2423 if(b > 65535) b = 65535; else if(b < 0) b = 0;
2425 dat8[i+0] = (unsigned char) r;/*LSB*/
2426 if(i+1 < ssize) dat8[i+1] = (unsigned char)(r >> 8);else break;/*MSB*/
2427 if(i+2 < ssize) dat8[i+2] = (unsigned char) g; else break;
2428 if(i+3 < ssize) dat8[i+3] = (unsigned char)(g >> 8);else break;
2429 if(i+4 < ssize) dat8[i+4] = (unsigned char) b; else break;
2430 if(i+5 < ssize) dat8[i+5] = (unsigned char)(b >> 8);else break;
2434 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2435 if(i+6 < ssize) dat8[i+6] = (unsigned char)a; else break;
2436 if(i+7 < ssize) dat8[i+7] = (unsigned char)(a >> 8); else break;
2443 }/*if(last_i < ssize)*/
2446 (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
2447 }/*for(strip = 0; )*/
2449 _TIFFfree((void*)buf);
2455 if(image->numcomps == 1 /* GRAY */
2456 || ( image->numcomps == 2 /* GRAY_ALPHA */
2457 && image->comps[0].dx == image->comps[1].dx
2458 && image->comps[0].dy == image->comps[1].dy
2459 && image->comps[0].prec == image->comps[1].prec))
2463 has_alpha = (image->numcomps == 2);
2465 width = (int)image->comps[0].w;
2466 height = (int)image->comps[0].h;
2467 imgsize = width * height;
2470 TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
2471 TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
2472 TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha);
2473 TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
2474 TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
2475 TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
2476 TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
2477 TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
2479 /* Get a buffer for the data */
2480 strip_size = TIFFStripSize(tif);
2481 buf = _TIFFmalloc(strip_size);
2484 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2486 unsigned char *dat8;
2487 tsize_t i, ssize = TIFFStripSize(tif);
2488 dat8 = (unsigned char*)buf;
2492 step = 1 + has_alpha;
2494 for(i=0; i < ssize; i += step)
2500 r = image->comps[0].data[index];
2501 if(has_alpha) a = image->comps[1].data[index];
2506 if(has_alpha) a += adjust;
2508 if(r > 255) r = 255; else if(r < 0) r = 0;
2509 dat8[i+0] = (unsigned char)r;
2513 if(a > 255) a = 255; else if(a < 0) a = 0;
2514 dat8[i+1] = (unsigned char)a;
2525 step = 2 + has_alpha + has_alpha;
2527 for(i=0; i < ssize; i += step)
2533 r = image->comps[0].data[index];
2534 if(has_alpha) a = image->comps[1].data[index];
2539 if(has_alpha) a += adjust;
2543 r = (r<<ushift) + (r>>dshift);
2544 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2546 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2547 dat8[i+0] = (unsigned char)r;/*LSB*/
2548 dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
2551 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2552 dat8[i+2] = (unsigned char)a;
2553 dat8[i+3] = (unsigned char)(a >> 8);
2556 }/*if(index < imgsize)*/
2561 (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
2572 fprintf(stderr,"imagetotif: Bad color format.\n"
2573 "\tOnly RGB(A) and GRAY(A) has been implemented\n");
2574 fprintf(stderr,"\tFOUND: numcomps(%d)\n\tAborting\n",
2581 * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted
2582 * CINEMA : 12 bit precision
2584 opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
2586 int subsampling_dx = parameters->subsampling_dx;
2587 int subsampling_dy = parameters->subsampling_dy;
2592 int j, numcomps, w, h,index;
2593 OPJ_COLOR_SPACE color_space;
2594 opj_image_cmptparm_t cmptparm[4]; /* RGBA */
2595 opj_image_t *image = NULL;
2598 unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC;
2599 unsigned int tiWidth, tiHeight;
2600 OPJ_BOOL is_cinema = OPJ_IS_CINEMA(parameters->rsiz);
2602 tif = TIFFOpen(filename, "r");
2606 fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename);
2609 tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0;
2610 tiWidth = tiHeight = 0;
2612 TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth);
2613 TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight);
2614 TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps);
2615 TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf);
2616 TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp);
2617 TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto);
2618 TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC);
2622 if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0;
2623 if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0;
2625 if( !tiBps || !tiPhoto)
2628 fprintf(stderr,"tiftoimage: Bits=%d, Only 8 and 16 bits"
2629 " implemented\n",tiBps);
2632 fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)"
2633 " and GRAY(A) has been implemented\n",(int) tiPhoto);
2635 fprintf(stderr,"\tAborting\n");
2641 {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */
2643 uint16 extrasamples;
2645 TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
2646 &extrasamples, &sampleinfo);
2648 if(extrasamples >= 1)
2650 switch(sampleinfo[0])
2652 case EXTRASAMPLE_UNSPECIFIED:
2653 /* Workaround for some images without correct info about alpha channel
2659 case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */
2660 case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */
2665 else /* extrasamples == 0 */
2666 if(tiSpp == 4 || tiSpp == 2) has_alpha = 1;
2669 /* initialize image components
2671 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
2673 if ((tiPhoto == PHOTOMETRIC_RGB) && (is_cinema)) {
2674 fprintf(stdout,"WARNING:\n"
2675 "Input image bitdepth is %d bits\n"
2676 "TIF conversion has automatically rescaled to 12-bits\n"
2677 "to comply with cinema profiles.\n",
2681 if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */
2683 numcomps = 3 + has_alpha;
2684 color_space = OPJ_CLRSPC_SRGB;
2686 /*#define USETILEMODE*/
2687 for(j = 0; j < numcomps; j++)
2691 cmptparm[j].prec = 12;
2692 cmptparm[j].bpp = 12;
2696 cmptparm[j].prec = tiBps;
2697 cmptparm[j].bpp = tiBps;
2699 cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
2700 cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
2701 cmptparm[j].w = (OPJ_UINT32)w;
2702 cmptparm[j].h = (OPJ_UINT32)h;
2710 image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
2712 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2720 /* set image offset and reference grid
2722 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2723 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2724 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
2725 image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2726 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
2727 image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2729 buf = _TIFFmalloc(TIFFStripSize(tif));
2731 strip_size=TIFFStripSize(tif);
2733 imgsize = (int)(image->comps[0].w * image->comps[0].h);
2734 /* Read the Image components
2736 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2738 unsigned char *dat8;
2741 ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
2742 dat8 = (unsigned char*)buf;
2746 step = 6 + has_alpha + has_alpha;
2748 for(i = 0; i < ssize; i += step)
2752 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */
2753 image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */
2754 image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */
2756 image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6];
2760 /* Rounding 16 to 12 bits
2762 image->comps[0].data[index] =
2763 (image->comps[0].data[index] + 0x08) >> 4 ;
2764 image->comps[1].data[index] =
2765 (image->comps[1].data[index] + 0x08) >> 4 ;
2766 image->comps[2].data[index] =
2767 (image->comps[2].data[index] + 0x08) >> 4 ;
2769 image->comps[3].data[index] =
2770 (image->comps[3].data[index] + 0x08) >> 4 ;
2777 }/*if(tiBps == 16)*/
2781 step = 3 + has_alpha;
2783 for(i = 0; i < ssize; i += step)
2788 image->comps[0].data[index] = dat8[i+0];/* R */
2789 image->comps[1].data[index] = dat8[i+1];/* G */
2790 image->comps[2].data[index] = dat8[i+2];/* B */
2792 image->comps[3].data[index] = dat8[i+3];
2797 /* Rounding 8 to 12 bits
2800 image->comps[0].data[index] = image->comps[0].data[index] << 4 ;
2801 image->comps[1].data[index] = image->comps[1].data[index] << 4 ;
2802 image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
2804 image->comps[3].data[index] = image->comps[3].data[index] << 4 ;
2812 }/*if( tiBps == 8)*/
2814 if(tiBps == 12)/* CINEMA file */
2818 for(i = 0; i < ssize; i += step)
2820 if((index < imgsize)&(index+1 < imgsize))
2822 image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4);
2823 image->comps[1].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
2825 image->comps[2].data[index] = ( dat8[i+3]<<4) |(dat8[i+4]>>4);
2826 image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5];
2828 image->comps[1].data[index+1] = ( dat8[i+6] <<4) |(dat8[i+7]>>4);
2829 image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];
2837 }/*for(strip = 0; )*/
2845 if(tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */
2847 numcomps = 1 + has_alpha;
2848 color_space = OPJ_CLRSPC_GRAY;
2850 for(j = 0; j < numcomps; ++j)
2852 cmptparm[j].prec = tiBps;
2853 cmptparm[j].bpp = tiBps;
2854 cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
2855 cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
2856 cmptparm[j].w = (OPJ_UINT32)w;
2857 cmptparm[j].h = (OPJ_UINT32)h;
2860 image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
2862 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2870 /* set image offset and reference grid
2872 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2873 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2874 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
2875 image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2876 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
2877 image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2879 buf = _TIFFmalloc(TIFFStripSize(tif));
2881 strip_size = TIFFStripSize(tif);
2883 imgsize = (int)(image->comps[0].w * image->comps[0].h);
2884 /* Read the Image components
2886 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2888 unsigned char *dat8;
2892 ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
2893 dat8 = (unsigned char*)buf;
2897 step = 2 + has_alpha + has_alpha;
2899 for(i = 0; i < ssize; i += step)
2903 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
2905 image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2];
2915 step = 1 + has_alpha;
2917 for(i = 0; i < ssize; i += step)
2921 image->comps[0].data[index] = dat8[i+0];
2923 image->comps[1].data[index] = dat8[i+1];
2941 #endif /* OPJ_HAVE_LIBTIFF */
2943 /* -->> -->> -->> -->>
2947 <<-- <<-- <<-- <<-- */
2948 static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) {
2949 int subsampling_dx = parameters->subsampling_dx;
2950 int subsampling_dy = parameters->subsampling_dy;
2953 int i, compno, numcomps, w, h;
2954 OPJ_COLOR_SPACE color_space;
2955 opj_image_cmptparm_t *cmptparm;
2956 opj_image_t * image = NULL;
2959 if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
2961 fprintf(stderr,"\nError: invalid raw image parameters\n");
2962 fprintf(stderr,"Please use the Format option -F:\n");
2963 fprintf(stderr,"-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
2964 fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
2965 fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
2966 fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n");
2967 fprintf(stderr,"Aborting.\n");
2971 f = fopen(filename, "rb");
2973 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
2974 fprintf(stderr,"Aborting\n");
2977 numcomps = raw_cp->rawComp;
2979 /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
2980 if (numcomps == 0) {
2981 color_space = OPJ_CLRSPC_GRAY;
2982 } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
2983 color_space = OPJ_CLRSPC_SYCC;
2984 } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) {
2985 color_space = OPJ_CLRSPC_SRGB;
2987 color_space = OPJ_CLRSPC_UNKNOWN;
2989 w = raw_cp->rawWidth;
2990 h = raw_cp->rawHeight;
2991 cmptparm = (opj_image_cmptparm_t*) malloc((size_t)numcomps * sizeof(opj_image_cmptparm_t));
2993 /* initialize image components */
2994 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
2995 for(i = 0; i < numcomps; i++) {
2996 cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
2997 cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
2998 cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
2999 cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx);
3000 cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy);
3001 cmptparm[i].w = (OPJ_UINT32)w;
3002 cmptparm[i].h = (OPJ_UINT32)h;
3004 /* create the image */
3005 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
3011 /* set image offset and reference grid */
3012 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
3013 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
3014 image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
3015 image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
3017 if(raw_cp->rawBitDepth <= 8)
3019 unsigned char value = 0;
3020 for(compno = 0; compno < numcomps; compno++) {
3021 int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
3022 for (i = 0; i < nloop; i++) {
3023 if (!fread(&value, 1, 1, f)) {
3024 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3027 image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
3031 else if(raw_cp->rawBitDepth <= 16)
3033 unsigned short value;
3034 for(compno = 0; compno < numcomps; compno++) {
3035 int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
3036 for (i = 0; i < nloop; i++) {
3037 unsigned char temp1;
3038 unsigned char temp2;
3039 if (!fread(&temp1, 1, 1, f)) {
3040 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3043 if (!fread(&temp2, 1, 1, f)) {
3044 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3049 value = (unsigned short)((temp1 << 8) + temp2);
3053 value = (unsigned short)((temp2 << 8) + temp1);
3055 image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
3060 fprintf(stderr,"OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
3064 if (fread(&ch, 1, 1, f)) {
3065 fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
3072 opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
3073 return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
3076 opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
3077 return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
3080 static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian)
3082 FILE *rawFile = NULL;
3084 unsigned int compno;
3086 int line, row, curr, mask;
3091 if((image->numcomps * image->x1 * image->y1) == 0)
3093 fprintf(stderr,"\nError: invalid raw image parameters\n");
3097 rawFile = fopen(outfile, "wb");
3099 fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
3104 fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);
3106 for(compno = 0; compno < image->numcomps; compno++)
3108 fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
3109 image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");
3111 w = (int)image->comps[compno].w;
3112 h = (int)image->comps[compno].h;
3114 if(image->comps[compno].prec <= 8)
3116 if(image->comps[compno].sgnd == 1)
3118 mask = (1 << image->comps[compno].prec) - 1;
3119 ptr = image->comps[compno].data;
3120 for (line = 0; line < h; line++) {
3121 for(row = 0; row < w; row++) {
3123 if(curr > 127) curr = 127; else if(curr < -128) curr = -128;
3124 uc = (unsigned char) (curr & mask);
3125 res = fwrite(&uc, 1, 1, rawFile);
3127 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
3134 else if(image->comps[compno].sgnd == 0)
3136 mask = (1 << image->comps[compno].prec) - 1;
3137 ptr = image->comps[compno].data;
3138 for (line = 0; line < h; line++) {
3139 for(row = 0; row < w; row++) {
3141 if(curr > 255) curr = 255; else if(curr < 0) curr = 0;
3142 uc = (unsigned char) (curr & mask);
3143 res = fwrite(&uc, 1, 1, rawFile);
3145 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
3153 else if(image->comps[compno].prec <= 16)
3155 if(image->comps[compno].sgnd == 1)
3157 union { signed short val; signed char vals[2]; } uc16;
3158 mask = (1 << image->comps[compno].prec) - 1;
3159 ptr = image->comps[compno].data;
3160 for (line = 0; line < h; line++) {
3161 for(row = 0; row < w; row++) {
3163 if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768;
3164 uc16.val = (signed short)(curr & mask);
3165 res = fwrite(uc16.vals, 1, 2, rawFile);
3167 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
3174 else if(image->comps[compno].sgnd == 0)
3176 union { unsigned short val; unsigned char vals[2]; } uc16;
3177 mask = (1 << image->comps[compno].prec) - 1;
3178 ptr = image->comps[compno].data;
3179 for (line = 0; line < h; line++) {
3180 for(row = 0; row < w; row++) {
3182 if(curr > 65536 ) curr = 65536; else if( curr < 0) curr = 0;
3183 uc16.val = (unsigned short)(curr & mask);
3184 res = fwrite(uc16.vals, 1, 2, rawFile);
3186 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
3194 else if (image->comps[compno].prec <= 32)
3196 fprintf(stderr,"More than 16 bits per component no handled yet\n");
3201 fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
3211 int imagetoraw(opj_image_t * image, const char *outfile)
3213 return imagetoraw_common(image, outfile, OPJ_TRUE);
3216 int imagetorawl(opj_image_t * image, const char *outfile)
3218 return imagetoraw_common(image, outfile, OPJ_FALSE);
3221 #ifdef OPJ_HAVE_LIBPNG
3223 #define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a"
3224 #define MAGIC_SIZE 8
3225 /* PNG allows bits per sample: 1, 2, 4, 8, 16 */
3227 opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params)
3231 double gamma, display_exponent;
3232 int bit_depth, interlace_type,compression_type, filter_type;
3234 png_uint_32 resx, resy;
3236 png_uint_32 width, height;
3237 int color_type, has_alpha, is16;
3240 unsigned char **rows;
3243 opj_image_cmptparm_t cmptparm[4];
3245 unsigned int nr_comp;
3246 int *r, *g, *b, *a = NULL;
3247 unsigned char sigbuf[8];
3249 if((reader = fopen(read_idf, "rb")) == NULL)
3251 fprintf(stderr,"pngtoimage: can not open %s\n",read_idf);
3254 image = NULL; png = NULL; rows = NULL;
3256 if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE
3257 || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0)
3259 fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf);
3262 /* libpng-VERSION/example.c:
3263 * PC : screen_gamma = 2.2;
3264 * Mac: screen_gamma = 1.7 or 1.0;
3266 display_exponent = 2.2;
3268 if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING,
3269 NULL, NULL, NULL)) == NULL)
3271 if((info = png_create_info_struct(png)) == NULL)
3274 if(setjmp(png_jmpbuf(png)))
3277 png_init_io(png, reader);
3278 png_set_sig_bytes(png, MAGIC_SIZE);
3280 png_read_info(png, info);
3282 if(png_get_IHDR(png, info, &width, &height,
3283 &bit_depth, &color_type, &interlace_type,
3284 &compression_type, &filter_type) == 0)
3287 /* png_set_expand():
3288 * expand paletted images to RGB, expand grayscale images of
3289 * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
3290 * to alpha channels.
3292 if(color_type == PNG_COLOR_TYPE_PALETTE)
3293 png_set_expand(png);
3295 if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
3296 png_set_expand(png);
3298 if(png_get_valid(png, info, PNG_INFO_tRNS))
3299 png_set_expand(png);
3301 is16 = (bit_depth == 16);
3303 /* GRAY => RGB; GRAY_ALPHA => RGBA
3305 if(color_type == PNG_COLOR_TYPE_GRAY
3306 || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
3308 png_set_gray_to_rgb(png);
3310 (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB:
3311 PNG_COLOR_TYPE_RGB_ALPHA);
3313 if( !png_get_gAMA(png, info, &gamma))
3316 png_set_gamma(png, display_exponent, gamma);
3318 png_read_update_info(png, info);
3320 png_get_pHYs(png, info, &resx, &resy, &unit);
3322 color_type = png_get_color_type(png, info);
3324 has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
3326 nr_comp = 3 + (unsigned int)has_alpha;
3328 bit_depth = png_get_bit_depth(png, info);
3330 rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*));
3331 for(i = 0; i < height; ++i)
3332 rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info));
3334 png_read_image(png, rows);
3336 memset(cmptparm, 0, sizeof(cmptparm));
3338 sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;
3340 for(i = 0; i < nr_comp; ++i)
3342 cmptparm[i].prec = (OPJ_UINT32)bit_depth;
3343 /* bits_per_pixel: 8 or 16 */
3344 cmptparm[i].bpp = (OPJ_UINT32)bit_depth;
3345 cmptparm[i].sgnd = 0;
3346 cmptparm[i].dx = (OPJ_UINT32)sub_dx;
3347 cmptparm[i].dy = (OPJ_UINT32)sub_dy;
3348 cmptparm[i].w = (OPJ_UINT32)width;
3349 cmptparm[i].h = (OPJ_UINT32)height;
3352 image = opj_image_create(nr_comp, &cmptparm[0], OPJ_CLRSPC_SRGB);
3354 if(image == NULL) goto fin;
3356 image->x0 = (OPJ_UINT32)params->image_offset_x0;
3357 image->y0 = (OPJ_UINT32)params->image_offset_y0;
3358 image->x1 = (OPJ_UINT32)(image->x0 + (width - 1) * (OPJ_UINT32)sub_dx + 1 + image->x0);
3359 image->y1 = (OPJ_UINT32)(image->y0 + (height - 1) * (OPJ_UINT32)sub_dy + 1 + image->y0);
3361 r = image->comps[0].data;
3362 g = image->comps[1].data;
3363 b = image->comps[2].data;
3364 if(has_alpha) a = image->comps[3].data;
3366 for(i = 0; i < height; ++i)
3370 for(j = 0; j < width; ++j)
3374 *r++ = s[0]<<8|s[1]; s += 2;
3376 *g++ = s[0]<<8|s[1]; s += 2;
3378 *b++ = s[0]<<8|s[1]; s += 2;
3380 if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; }
3384 *r++ = *s++; *g++ = *s++; *b++ = *s++;
3386 if(has_alpha) *a++ = *s++;
3392 for(i = 0; i < height; ++i)
3397 png_destroy_read_struct(&png, &info, NULL);
3405 int imagetopng(opj_image_t * image, const char *write_idf)
3410 int *red, *green, *blue, *alpha;
3411 unsigned char *row_buf, *d;
3412 int has_alpha, width, height, nr_comp, color_type;
3413 int adjustR, adjustG, adjustB, adjustA, x, y, fails;
3414 int prec, ushift, dshift, is16, force16, force8;
3415 unsigned short mask = 0xffff;
3416 png_color_8 sig_bit;
3418 is16 = force16 = force8 = ushift = dshift = 0; fails = 1;
3419 prec = (int)image->comps[0].prec;
3420 nr_comp = (int)image->numcomps;
3422 if(prec > 8 && prec < 16)
3424 ushift = 16 - prec; dshift = prec - ushift;
3425 prec = 16; force16 = 1;
3428 if(prec < 8 && nr_comp > 1)/* GRAY_ALPHA, RGB, RGB_ALPHA */
3430 ushift = 8 - prec; dshift = 8 - ushift;
3431 prec = 8; force8 = 1;
3434 if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16)
3436 fprintf(stderr,"imagetopng: can not create %s"
3437 "\n\twrong bit_depth %d\n", write_idf, prec);
3440 writer = fopen(write_idf, "wb");
3442 if(writer == NULL) return fails;
3444 info = NULL; has_alpha = 0;
3446 /* Create and initialize the png_struct with the desired error handler
3447 * functions. If you want to use the default stderr and longjump method,
3448 * you can supply NULL for the last three parameters. We also check that
3449 * the library version is compatible with the one used at compile time,
3450 * in case we are using dynamically linked libraries. REQUIRED.
3452 png = png_create_write_struct(PNG_LIBPNG_VER_STRING,
3454 /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */
3456 if(png == NULL) goto fin;
3458 /* Allocate/initialize the image information data. REQUIRED
3460 info = png_create_info_struct(png);
3462 if(info == NULL) goto fin;
3464 /* Set error handling. REQUIRED if you are not supplying your own
3465 * error handling functions in the png_create_write_struct() call.
3467 if(setjmp(png_jmpbuf(png))) goto fin;
3469 /* I/O initialization functions is REQUIRED
3471 png_init_io(png, writer);
3473 /* Set the image information here. Width and height are up to 2^31,
3474 * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
3475 * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
3476 * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
3477 * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or
3478 * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
3479 * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE.
3484 * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8
3485 * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8
3486 * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8
3487 * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8
3490 png_set_compression_level(png, Z_BEST_COMPRESSION);
3492 if(prec == 16) mask = 0xffff;
3494 if(prec == 8) mask = 0x00ff;
3496 if(prec == 4) mask = 0x000f;
3498 if(prec == 2) mask = 0x0003;
3500 if(prec == 1) mask = 0x0001;
3503 && image->comps[0].dx == image->comps[1].dx
3504 && image->comps[1].dx == image->comps[2].dx
3505 && image->comps[0].dy == image->comps[1].dy
3506 && image->comps[1].dy == image->comps[2].dy
3507 && image->comps[0].prec == image->comps[1].prec
3508 && image->comps[1].prec == image->comps[2].prec)
3512 has_alpha = (nr_comp > 3);
3514 is16 = (prec == 16);
3516 width = (int)image->comps[0].w;
3517 height = (int)image->comps[0].h;
3519 red = image->comps[0].data;
3520 green = image->comps[1].data;
3521 blue = image->comps[2].data;
3523 sig_bit.red = sig_bit.green = sig_bit.blue = (png_byte)prec;
3527 sig_bit.alpha = (png_byte)prec;
3528 alpha = image->comps[3].data;
3529 color_type = PNG_COLOR_TYPE_RGB_ALPHA;
3530 adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0);
3534 sig_bit.alpha = 0; alpha = NULL;
3535 color_type = PNG_COLOR_TYPE_RGB;
3538 png_set_sBIT(png, info, &sig_bit);
3540 png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, prec,
3543 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
3545 png_set_gamma(png, 2.2, 1./2.2);
3546 png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
3547 /*=============================*/
3548 png_write_info(png, info);
3549 /*=============================*/
3552 png_set_packing(png);
3554 printf("%s:%d:sgnd(%d,%d,%d) w(%d) h(%d) alpha(%d)\n",__FILE__,__LINE__,
3555 image->comps[0].sgnd,
3556 image->comps[1].sgnd,image->comps[2].sgnd,width,height,has_alpha);
3558 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
3559 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
3560 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
3562 row_buf = (unsigned char*)malloc((size_t)width * (size_t)nr_comp * 2);
3564 for(y = 0; y < height; ++y)
3568 for(x = 0; x < width; ++x)
3572 v = *red + adjustR; ++red;
3573 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3575 if(force16) { v = (v<<ushift) + (v>>dshift); }
3577 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3579 v = *green + adjustG; ++green;
3580 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3582 if(force16) { v = (v<<ushift) + (v>>dshift); }
3584 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3586 v = *blue + adjustB; ++blue;
3587 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3589 if(force16) { v = (v<<ushift) + (v>>dshift); }
3591 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3595 v = *alpha + adjustA; ++alpha;
3596 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3598 if(force16) { v = (v<<ushift) + (v>>dshift); }
3600 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3605 v = *red + adjustR; ++red;
3606 if(v > 255) v = 255; else if(v < 0) v = 0;
3608 if(force8) { v = (v<<ushift) + (v>>dshift); }
3610 *d++ = (unsigned char)(v & mask);
3612 v = *green + adjustG; ++green;
3613 if(v > 255) v = 255; else if(v < 0) v = 0;
3615 if(force8) { v = (v<<ushift) + (v>>dshift); }
3617 *d++ = (unsigned char)(v & mask);
3619 v = *blue + adjustB; ++blue;
3620 if(v > 255) v = 255; else if(v < 0) v = 0;
3622 if(force8) { v = (v<<ushift) + (v>>dshift); }
3624 *d++ = (unsigned char)(v & mask);
3628 v = *alpha + adjustA; ++alpha;
3629 if(v > 255) v = 255; else if(v < 0) v = 0;
3631 if(force8) { v = (v<<ushift) + (v>>dshift); }
3633 *d++ = (unsigned char)(v & mask);
3637 png_write_row(png, row_buf);
3644 if(nr_comp == 1 /* GRAY */
3645 || ( nr_comp == 2 /* GRAY_ALPHA */
3646 && image->comps[0].dx == image->comps[1].dx
3647 && image->comps[0].dy == image->comps[1].dy
3648 && image->comps[0].prec == image->comps[1].prec))
3652 red = image->comps[0].data;
3654 sig_bit.gray = (png_byte)prec;
3655 sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0;
3656 alpha = NULL; adjustA = 0;
3657 color_type = PNG_COLOR_TYPE_GRAY;
3661 has_alpha = 1; sig_bit.alpha = (png_byte)prec;
3662 alpha = image->comps[1].data;
3663 color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
3664 adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
3666 width = (int)image->comps[0].w;
3667 height = (int)image->comps[0].h;
3669 png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, sig_bit.gray,
3672 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
3674 png_set_sBIT(png, info, &sig_bit);
3676 png_set_gamma(png, 2.2, 1./2.2);
3677 png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
3678 /*=============================*/
3679 png_write_info(png, info);
3680 /*=============================*/
3681 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
3685 png_set_packing(png);
3690 row_buf = (unsigned char*)
3691 malloc((size_t)width * (size_t)nr_comp * sizeof(unsigned short));
3693 for(y = 0; y < height; ++y)
3697 for(x = 0; x < width; ++x)
3699 v = *red + adjustR; ++red;
3700 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3702 if(force16) { v = (v<<ushift) + (v>>dshift); }
3704 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3709 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3711 if(force16) { v = (v<<ushift) + (v>>dshift); }
3713 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3716 png_write_row(png, row_buf);
3721 else /* prec <= 8 */
3723 row_buf = (unsigned char*)calloc((size_t)width, (size_t)nr_comp * 2);
3725 for(y = 0; y < height; ++y)
3729 for(x = 0; x < width; ++x)
3731 v = *red + adjustR; ++red;
3732 if(v > 255) v = 255; else if(v < 0) v = 0;
3734 if(force8) { v = (v<<ushift) + (v>>dshift); }
3736 *d++ = (unsigned char)(v & mask);
3740 v = *alpha + adjustA; ++alpha;
3741 if(v > 255) v = 255; else if(v < 0) v = 0;
3743 if(force8) { v = (v<<ushift) + (v>>dshift); }
3745 *d++ = (unsigned char)(v & mask);
3749 png_write_row(png, row_buf);
3757 fprintf(stderr,"imagetopng: can not create %s\n",write_idf);
3760 png_write_end(png, info);
3768 png_destroy_write_struct(&png, &info);
3772 if(fails) remove(write_idf);
3776 #endif /* OPJ_HAVE_LIBPNG */