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
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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.
32 #include "opj_apps_config.h"
39 #ifdef OPJ_HAVE_LIBTIFF
41 #endif /* OPJ_HAVE_LIBTIFF */
43 #ifdef OPJ_HAVE_LIBPNG
46 #endif /* OPJ_HAVE_LIBPNG */
52 * Get logarithm of an integer and round downwards.
56 static int int_floorlog2(int a) {
58 for (l = 0; a > 1; l++) {
64 /* -->> -->> -->> -->>
68 <<-- <<-- <<-- <<-- */
70 #ifdef INFORMATION_ONLY
71 /* TGA header definition. */
74 unsigned char id_length; /* Image id field length */
75 unsigned char colour_map_type; /* Colour map type */
76 unsigned char image_type; /* Image type */
78 ** Colour map specification
80 unsigned short colour_map_index; /* First entry index */
81 unsigned short colour_map_length; /* Colour map length */
82 unsigned char colour_map_entry_size; /* Colour map entry size */
84 ** Image specification
86 unsigned short x_origin; /* x origin of image */
87 unsigned short y_origin; /* u origin of image */
88 unsigned short image_width; /* Image width */
89 unsigned short image_height; /* Image height */
90 unsigned char pixel_depth; /* Pixel depth */
91 unsigned char image_desc; /* Image descriptor */
93 #endif /* INFORMATION_ONLY */
95 static unsigned short get_ushort(unsigned short val) {
97 #ifdef WORDS_BIGENDIAN
98 return( ((val & 0xff) << 8) + (val >> 8) );
105 #define TGA_HEADER_SIZE 18
107 static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
108 unsigned int *width, unsigned int *height, int *flip_image)
112 unsigned char id_len, /*cmap_type,*/ image_type;
113 unsigned char pixel_depth, image_desc;
114 unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size;
115 unsigned short /*x_origin, y_origin,*/ image_w, image_h;
117 if (!bits_per_pixel || !width || !height || !flip_image)
119 tga = (unsigned char*)malloc(18);
121 if ( fread(tga, TGA_HEADER_SIZE, 1, fp) != 1 )
123 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
126 id_len = (unsigned char)tga[0];
127 /*cmap_type = (unsigned char)tga[1];*/
128 image_type = (unsigned char)tga[2];
129 /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/
130 cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
131 cmap_entry_size = (unsigned char)tga[7];
135 x_origin = get_ushort(*(unsigned short*)(&tga[8]));
136 y_origin = get_ushort(*(unsigned short*)(&tga[10]));
138 image_w = get_ushort(*(unsigned short*)(&tga[12]));
139 image_h = get_ushort(*(unsigned short*)(&tga[14]));
140 pixel_depth = (unsigned char)tga[16];
141 image_desc = (unsigned char)tga[17];
145 *bits_per_pixel = (unsigned int)pixel_depth;
146 *width = (unsigned int)image_w;
147 *height = (unsigned int)image_h;
149 /* Ignore tga identifier, if present ... */
152 unsigned char *id = (unsigned char *) malloc(id_len);
153 if ( !fread(id, id_len, 1, fp) )
155 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
162 /* Test for compressed formats ... not yet supported ...
163 // Note :- 9 - RLE encoded palettized.
164 // 10 - RLE encoded RGB. */
167 fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
171 *flip_image = !(image_desc & 32);
173 /* Palettized formats are not yet supported, skip over the palette, if present ... */
174 palette_size = cmap_len * (cmap_entry_size/8);
178 fprintf(stderr, "File contains a palette - not yet supported.");
179 fseek(fp, palette_size, SEEK_CUR);
184 #if WORDS_BIGENDIAN == 1
186 static inline int16_t swap16(int16_t x)
188 return((((u_int16_t)x & 0x00ffU) << 8) |
189 (((u_int16_t)x & 0xff00U) >> 8));
194 static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
197 unsigned short image_w, image_h, us0;
198 unsigned char uc0, image_type;
199 unsigned char pixel_depth, image_desc;
201 if (!bits_per_pixel || !width || !height)
206 if ( bits_per_pixel < 256 )
207 pixel_depth = (unsigned char)bits_per_pixel;
209 fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
214 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
215 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */
217 image_type = 2; /* Uncompressed. */
218 if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;
221 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
222 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
223 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */
225 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
226 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */
228 image_w = (unsigned short)width;
229 image_h = (unsigned short) height;
231 #if WORDS_BIGENDIAN == 0
232 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
233 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
235 image_w = swap16(image_w);
236 image_h = swap16(image_h);
237 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
238 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
241 if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;
243 image_desc = 8; /* 8 bits per component. */
247 if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;
252 fputs("\nwrite_tgaheader: write ERROR\n", stderr);
256 opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
259 unsigned int image_width, image_height, pixel_bit_depth;
262 opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
264 OPJ_COLOR_SPACE color_space;
267 int subsampling_dx, subsampling_dy;
270 f = fopen(filename, "rb");
272 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
276 if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
279 /* We currently only support 24 & 32 bit tga's ... */
280 if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
283 /* initialize image components */
284 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
286 mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */
287 save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
290 color_space = OPJ_CLRSPC_GRAY;
291 numcomps = save_alpha ? 2 : 1;
294 numcomps = save_alpha ? 4 : 3;
295 color_space = OPJ_CLRSPC_SRGB;
298 subsampling_dx = parameters->subsampling_dx;
299 subsampling_dy = parameters->subsampling_dy;
301 for (i = 0; i < numcomps; i++) {
302 cmptparm[i].prec = 8;
304 cmptparm[i].sgnd = 0;
305 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
306 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
307 cmptparm[i].w = image_width;
308 cmptparm[i].h = image_height;
311 /* create the image */
312 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
317 /* set image offset and reference grid */
318 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
319 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
320 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;
321 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;
324 for (y=0; y < image_height; y++)
329 index = (int)((image_height-y-1)*image_width);
331 index = (int)(y*image_width);
335 for (x=0;x<image_width;x++)
339 if( !fread(&b, 1, 1, f) )
341 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
342 opj_image_destroy(image);
345 if ( !fread(&g, 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(&r, 1, 1, f) )
353 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
354 opj_image_destroy(image);
358 image->comps[0].data[index]=r;
359 image->comps[1].data[index]=g;
360 image->comps[2].data[index]=b;
364 else if (numcomps==4)
366 for (x=0;x<image_width;x++)
368 unsigned char r,g,b,a;
369 if ( !fread(&b, 1, 1, f) )
371 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
372 opj_image_destroy(image);
375 if ( !fread(&g, 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(&r, 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(&a, 1, 1, f) )
389 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
390 opj_image_destroy(image);
394 image->comps[0].data[index]=r;
395 image->comps[1].data[index]=g;
396 image->comps[2].data[index]=b;
397 image->comps[3].data[index]=a;
402 fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
408 int imagetotga(opj_image_t * image, const char *outfile) {
409 int width, height, bpp, x, y;
410 OPJ_BOOL write_alpha;
412 int adjustR, adjustG, adjustB, fails;
413 unsigned int alpha_channel;
420 fdest = fopen(outfile, "wb");
422 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
426 for (i = 0; i < image->numcomps-1; i++) {
427 if ((image->comps[0].dx != image->comps[i+1].dx)
428 ||(image->comps[0].dy != image->comps[i+1].dy)
429 ||(image->comps[0].prec != image->comps[i+1].prec)) {
430 fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
435 width = (int)image->comps[0].w;
436 height = (int)image->comps[0].h;
438 /* Mono with alpha, or RGB with alpha. */
439 write_alpha = (image->numcomps==2) || (image->numcomps==4);
441 /* Write TGA header */
442 bpp = write_alpha ? 32 : 24;
444 if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
447 alpha_channel = image->numcomps-1;
449 scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
451 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
452 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
453 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
455 for (y=0; y < height; y++)
457 unsigned int index= (unsigned int)(y*width);
459 for (x=0; x < width; x++, index++)
461 r = (float)(image->comps[0].data[index] + adjustR);
463 if (image->numcomps > 2)
465 g = (float)(image->comps[1].data[index] + adjustG);
466 b = (float)(image->comps[2].data[index] + adjustB);
474 /* TGA format writes BGR ... */
475 if(b > 255.) b = 255.; else if(b < 0.) b = 0.;
476 value = (unsigned char)(b*scale);
477 res = fwrite(&value,1,1,fdest);
481 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
484 if(g > 255.) g = 255.; else if(g < 0.) g = 0.;
485 value = (unsigned char)(g*scale);
486 res = fwrite(&value,1,1,fdest);
490 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
493 if(r > 255.) r = 255.; else if(r < 0.) r = 0.;
494 value = (unsigned char)(r*scale);
495 res = fwrite(&value,1,1,fdest);
499 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
505 a = (float)(image->comps[alpha_channel].data[index]);
506 if(a > 255.) a = 255.; else if(a < 0.) a = 0.;
507 value = (unsigned char)(a*scale);
508 res = fwrite(&value,1,1,fdest);
512 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
525 /* -->> -->> -->> -->>
529 <<-- <<-- <<-- <<-- */
531 /* WORD defines a two byte word */
532 typedef unsigned short int WORD;
534 /* DWORD defines a four byte word */
535 typedef unsigned int DWORD;
538 WORD bfType; /* 'BM' for Bitmap (19776) */
539 DWORD bfSize; /* Size of the file */
540 WORD bfReserved1; /* Reserved : 0 */
541 WORD bfReserved2; /* Reserved : 0 */
542 DWORD bfOffBits; /* Offset */
543 } BITMAPFILEHEADER_t;
546 DWORD biSize; /* Size of the structure in bytes */
547 DWORD biWidth; /* Width of the image in pixels */
548 DWORD biHeight; /* Heigth of the image in pixels */
549 WORD biPlanes; /* 1 */
550 WORD biBitCount; /* Number of color bits by pixels */
551 DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
552 DWORD biSizeImage; /* Size of the image in bytes */
553 DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
554 DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
555 DWORD biClrUsed; /* Number of color used in the image (0: ALL) */
556 DWORD biClrImportant; /* Number of important color (0: ALL) */
557 } BITMAPINFOHEADER_t;
559 opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
561 int subsampling_dx = parameters->subsampling_dx;
562 int subsampling_dy = parameters->subsampling_dy;
564 int i, numcomps, w, h;
565 OPJ_COLOR_SPACE color_space;
566 opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
567 opj_image_t * image = NULL;
570 BITMAPFILEHEADER_t File_h;
571 BITMAPINFOHEADER_t Info_h;
573 unsigned char *table_R, *table_G, *table_B;
574 unsigned int j, PAD = 0;
581 IN = fopen(filename, "rb");
584 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
588 File_h.bfType = (WORD)getc(IN);
589 File_h.bfType = (WORD)((getc(IN) << 8) + File_h.bfType);
591 if (File_h.bfType != 19778)
593 fprintf(stderr,"Error, not a BMP file!\n");
599 File_h.bfSize = (DWORD)getc(IN);
600 File_h.bfSize = (DWORD)(getc(IN) << 8) + File_h.bfSize;
601 File_h.bfSize = (DWORD)(getc(IN) << 16) + File_h.bfSize;
602 File_h.bfSize = (DWORD)(getc(IN) << 24) + File_h.bfSize;
604 File_h.bfReserved1 = (WORD)getc(IN);
605 File_h.bfReserved1 = (WORD)((getc(IN) << 8) + File_h.bfReserved1);
607 File_h.bfReserved2 = (WORD)getc(IN);
608 File_h.bfReserved2 = (WORD)((getc(IN) << 8) + File_h.bfReserved2);
610 File_h.bfOffBits = (DWORD)getc(IN);
611 File_h.bfOffBits = (DWORD)(getc(IN) << 8) + File_h.bfOffBits;
612 File_h.bfOffBits = (DWORD)(getc(IN) << 16) + File_h.bfOffBits;
613 File_h.bfOffBits = (DWORD)(getc(IN) << 24) + File_h.bfOffBits;
618 Info_h.biSize = (DWORD)getc(IN);
619 Info_h.biSize = (DWORD)(getc(IN) << 8) + Info_h.biSize;
620 Info_h.biSize = (DWORD)(getc(IN) << 16) + Info_h.biSize;
621 Info_h.biSize = (DWORD)(getc(IN) << 24) + Info_h.biSize;
623 if(Info_h.biSize != 40)
625 fprintf(stderr,"Error, unknown BMP header size %d\n", Info_h.biSize);
629 Info_h.biWidth = (DWORD)getc(IN);
630 Info_h.biWidth = (DWORD)(getc(IN) << 8) + Info_h.biWidth;
631 Info_h.biWidth = (DWORD)(getc(IN) << 16) + Info_h.biWidth;
632 Info_h.biWidth = (DWORD)(getc(IN) << 24) + Info_h.biWidth;
633 w = (int)Info_h.biWidth;
635 Info_h.biHeight = (DWORD)getc(IN);
636 Info_h.biHeight = (DWORD)(getc(IN) << 8) + Info_h.biHeight;
637 Info_h.biHeight = (DWORD)(getc(IN) << 16) + Info_h.biHeight;
638 Info_h.biHeight = (DWORD)(getc(IN) << 24) + Info_h.biHeight;
639 h = (int)Info_h.biHeight;
641 Info_h.biPlanes = (WORD)getc(IN);
642 Info_h.biPlanes = (WORD)((getc(IN) << 8) + Info_h.biPlanes);
644 Info_h.biBitCount = (WORD)getc(IN);
645 Info_h.biBitCount = (WORD)((getc(IN) << 8) + Info_h.biBitCount);
647 Info_h.biCompression = (DWORD)getc(IN);
648 Info_h.biCompression = (DWORD)(getc(IN) << 8) + Info_h.biCompression;
649 Info_h.biCompression = (DWORD)(getc(IN) << 16) + Info_h.biCompression;
650 Info_h.biCompression = (DWORD)(getc(IN) << 24) + Info_h.biCompression;
652 Info_h.biSizeImage = (DWORD)getc(IN);
653 Info_h.biSizeImage = (DWORD)(getc(IN) << 8) + Info_h.biSizeImage;
654 Info_h.biSizeImage = (DWORD)(getc(IN) << 16) + Info_h.biSizeImage;
655 Info_h.biSizeImage = (DWORD)(getc(IN) << 24) + Info_h.biSizeImage;
657 Info_h.biXpelsPerMeter = (DWORD)getc(IN);
658 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biXpelsPerMeter;
659 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biXpelsPerMeter;
660 Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biXpelsPerMeter;
662 Info_h.biYpelsPerMeter = (DWORD)getc(IN);
663 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biYpelsPerMeter;
664 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biYpelsPerMeter;
665 Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biYpelsPerMeter;
667 Info_h.biClrUsed = (DWORD)getc(IN);
668 Info_h.biClrUsed = (DWORD)(getc(IN) << 8) + Info_h.biClrUsed;
669 Info_h.biClrUsed = (DWORD)(getc(IN) << 16) + Info_h.biClrUsed;
670 Info_h.biClrUsed = (DWORD)(getc(IN) << 24) + Info_h.biClrUsed;
672 Info_h.biClrImportant = (DWORD)getc(IN);
673 Info_h.biClrImportant = (DWORD)(getc(IN) << 8) + Info_h.biClrImportant;
674 Info_h.biClrImportant = (DWORD)(getc(IN) << 16) + Info_h.biClrImportant;
675 Info_h.biClrImportant = (DWORD)(getc(IN) << 24) + Info_h.biClrImportant;
677 /* Read the data and store them in the OUT file */
679 if (Info_h.biBitCount == 24)
682 color_space = OPJ_CLRSPC_SRGB;
683 /* initialize image components */
684 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
685 for(i = 0; i < numcomps; i++)
687 cmptparm[i].prec = 8;
689 cmptparm[i].sgnd = 0;
690 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
691 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
692 cmptparm[i].w = (OPJ_UINT32)w;
693 cmptparm[i].h = (OPJ_UINT32)h;
695 /* create the image */
696 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
703 /* set image offset and reference grid */
704 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
705 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
706 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
707 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
711 /* Place the cursor at the beginning of the image information */
712 fseek(IN, 0, SEEK_SET);
713 fseek(IN, File_h.bfOffBits, SEEK_SET);
718 /* PAD = 4 - (3 * W) % 4; */
719 /* PAD = (PAD == 4) ? 0 : PAD; */
720 PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
722 RGB = (unsigned char *)
723 malloc((3 * W + PAD) * H * sizeof(unsigned char));
725 if ( fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN) != (3 * W + PAD) * H )
728 opj_image_destroy(image);
729 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
735 for(y = 0; y < (int)H; y++)
737 unsigned char *scanline = RGB + (3 * (unsigned int)W + PAD) * ((unsigned int)H - 1 - (unsigned int)y);
738 for(x = 0; x < (int)W; x++)
740 unsigned char *pixel = &scanline[3 * x];
741 image->comps[0].data[index] = pixel[2]; /* R */
742 image->comps[1].data[index] = pixel[1]; /* G */
743 image->comps[2].data[index] = pixel[0]; /* B */
748 }/* if (Info_h.biBitCount == 24) */
750 if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */
752 if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
754 if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256;
756 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
757 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
758 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
761 for (j = 0; j < Info_h.biClrUsed; j++)
763 table_B[j] = (unsigned char)getc(IN);
764 table_G[j] = (unsigned char)getc(IN);
765 table_R[j] = (unsigned char)getc(IN);
768 !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
770 if(has_color) gray_scale = 0;
772 /* Place the cursor at the beginning of the image information */
773 fseek(IN, 0, SEEK_SET);
774 fseek(IN, File_h.bfOffBits, SEEK_SET);
778 if (Info_h.biWidth % 2)
781 numcomps = gray_scale ? 1 : 3;
782 color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
783 /* initialize image components */
784 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
785 for(i = 0; i < numcomps; i++)
787 cmptparm[i].prec = 8;
789 cmptparm[i].sgnd = 0;
790 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
791 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
792 cmptparm[i].w = (OPJ_UINT32)w;
793 cmptparm[i].h = (OPJ_UINT32)h;
795 /* create the image */
796 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
800 free(table_R); free(table_G); free(table_B);
804 /* set image offset and reference grid */
805 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
806 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
807 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
808 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
812 RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
814 if ( fread(RGB, sizeof(unsigned char), W * H, IN) != W * H )
820 opj_image_destroy(image);
821 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
827 for (j = 0; j < W * H; j++)
829 if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2))
831 image->comps[0].data[index] =
832 table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
841 for (j = 0; j < W * H; j++)
843 if ((j % W < W - 1 && Info_h.biWidth % 2)
844 || !(Info_h.biWidth % 2))
846 unsigned char pixel_index =
847 RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
848 image->comps[0].data[index] = table_R[pixel_index];
849 image->comps[1].data[index] = table_G[pixel_index];
850 image->comps[2].data[index] = table_B[pixel_index];
861 if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/
863 unsigned char *pix, *beyond;
864 int *gray, *red, *green, *blue;
865 unsigned int x, y, max;
869 if (Info_h.biClrUsed == 0)
870 Info_h.biClrUsed = 256;
871 else if (Info_h.biClrUsed > 256)
872 Info_h.biClrUsed = 256;
874 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
875 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
876 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
879 for (j = 0; j < Info_h.biClrUsed; j++)
881 table_B[j] = (unsigned char)getc(IN);
882 table_G[j] = (unsigned char)getc(IN);
883 table_R[j] = (unsigned char)getc(IN);
885 has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
891 numcomps = gray_scale ? 1 : 3;
892 color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
893 /* initialize image components */
894 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
895 for (i = 0; i < numcomps; i++)
897 cmptparm[i].prec = 8;
899 cmptparm[i].sgnd = 0;
900 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
901 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
902 cmptparm[i].w = (OPJ_UINT32)w;
903 cmptparm[i].h = (OPJ_UINT32)h;
905 /* create the image */
906 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
916 /* set image offset and reference grid */
917 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
918 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
919 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
920 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
924 /* Place the cursor at the beginning of the image information */
925 fseek(IN, 0, SEEK_SET);
926 fseek(IN, File_h.bfOffBits, SEEK_SET);
930 RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char));
931 beyond = RGB + W * H;
943 for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++)
944 *pix = (unsigned char)c1;
950 if (c == 0x00) /* EOL */
954 pix = RGB + x + (H - y - 1) * W;
956 else if (c == 0x01) /* EOP */
958 else if (c == 0x02) /* MOVE by dxdy */
961 x += (unsigned int)c;
963 y += (unsigned int)c;
964 pix = RGB + (H - y - 1) * W + x;
969 for (; i < c && x < W && pix < beyond; i++, x++, pix++)
972 *pix = (unsigned char)c1;
974 if (c & 1) /* skip padding byte */
982 gray = image->comps[0].data;
990 *gray++ = table_R[uc];
995 /*int *red, *green, *blue;*/
997 red = image->comps[0].data;
998 green = image->comps[1].data;
999 blue = image->comps[2].data;
1007 *red++ = table_R[uc];
1008 *green++ = table_G[uc];
1009 *blue++ = table_B[uc];
1020 "Other system than 24 bits/pixels or 8 bits (no RLE coding) "
1021 "is not yet implemented [%d]\n", Info_h.biBitCount);
1027 int imagetobmp(opj_image_t * image, const char *outfile) {
1031 int adjustR, adjustG, adjustB;
1033 if (image->comps[0].prec < 8) {
1034 fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec);
1037 if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
1038 && image->comps[1].dx == image->comps[2].dx
1039 && image->comps[0].dy == image->comps[1].dy
1040 && image->comps[1].dy == image->comps[2].dy
1041 && image->comps[0].prec == image->comps[1].prec
1042 && image->comps[1].prec == image->comps[2].prec) {
1044 /* -->> -->> -->> -->>
1046 <<-- <<-- <<-- <<-- */
1048 fdest = fopen(outfile, "wb");
1050 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1054 w = (int)image->comps[0].w;
1055 h = (int)image->comps[0].h;
1057 fprintf(fdest, "BM");
1061 fprintf(fdest, "%c%c%c%c",
1062 (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
1063 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff,
1064 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff,
1065 (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff);
1066 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1067 fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
1071 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
1072 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
1073 (unsigned char) ((w) >> 8) & 0xff,
1074 (unsigned char) ((w) >> 16) & 0xff,
1075 (unsigned char) ((w) >> 24) & 0xff);
1076 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
1077 (unsigned char) ((h) >> 8) & 0xff,
1078 (unsigned char) ((h) >> 16) & 0xff,
1079 (unsigned char) ((h) >> 24) & 0xff);
1080 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
1081 fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
1082 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1083 fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
1084 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
1085 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
1086 (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
1087 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1088 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1089 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1090 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1092 if (image->comps[0].prec > 8) {
1093 adjustR = (int)image->comps[0].prec - 8;
1094 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
1098 if (image->comps[1].prec > 8) {
1099 adjustG = (int)image->comps[1].prec - 8;
1100 printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
1104 if (image->comps[2].prec > 8) {
1105 adjustB = (int)image->comps[2].prec - 8;
1106 printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
1111 for (i = 0; i < w * h; i++) {
1112 unsigned char rc, gc, bc;
1115 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1116 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1117 r = ((r >> adjustR)+((r >> (adjustR-1))%2));
1118 if(r > 255) r = 255; else if(r < 0) r = 0;
1119 rc = (unsigned char)r;
1121 g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1122 g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
1123 g = ((g >> adjustG)+((g >> (adjustG-1))%2));
1124 if(g > 255) g = 255; else if(g < 0) g = 0;
1125 gc = (unsigned char)g;
1127 b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1128 b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
1129 b = ((b >> adjustB)+((b >> (adjustB-1))%2));
1130 if(b > 255) b = 255; else if(b < 0) b = 0;
1131 bc = (unsigned char)b;
1133 fprintf(fdest, "%c%c%c", bc, gc, rc);
1135 if ((i + 1) % w == 0) {
1136 for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) /* ADD */
1137 fprintf(fdest, "%c", 0);
1141 } else { /* Gray-scale */
1143 /* -->> -->> -->> -->>
1144 8 bits non code (Gray scale)
1145 <<-- <<-- <<-- <<-- */
1147 fdest = fopen(outfile, "wb");
1148 w = (int)image->comps[0].w;
1149 h = (int)image->comps[0].h;
1151 fprintf(fdest, "BM");
1155 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
1156 (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
1157 (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
1158 (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
1159 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1160 fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
1161 ((54 + 1024) >> 16) & 0xff,
1162 ((54 + 1024) >> 24) & 0xff);
1166 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
1167 fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
1168 (unsigned char) ((w) >> 8) & 0xff,
1169 (unsigned char) ((w) >> 16) & 0xff,
1170 (unsigned char) ((w) >> 24) & 0xff);
1171 fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
1172 (unsigned char) ((h) >> 8) & 0xff,
1173 (unsigned char) ((h) >> 16) & 0xff,
1174 (unsigned char) ((h) >> 24) & 0xff);
1175 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
1176 fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
1177 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
1178 fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
1179 (unsigned char) ((h * w + h * (w % 2)) >> 8) & 0xff,
1180 (unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff,
1181 (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
1182 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1183 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1184 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1185 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1187 if (image->comps[0].prec > 8) {
1188 adjustR = (int)image->comps[0].prec - 8;
1189 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
1193 for (i = 0; i < 256; i++) {
1194 fprintf(fdest, "%c%c%c%c", i, i, i, 0);
1197 for (i = 0; i < w * h; i++) {
1200 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1201 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1202 r = ((r >> adjustR)+((r >> (adjustR-1))%2));
1203 if(r > 255) r = 255; else if(r < 0) r = 0;
1205 fprintf(fdest, "%c", (unsigned char)r);
1207 if ((i + 1) % w == 0) {
1208 for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) /* ADD */
1209 fprintf(fdest, "%c", 0);
1218 /* -->> -->> -->> -->>
1222 <<-- <<-- <<-- <<-- */
1225 static unsigned char readuchar(FILE * f)
1228 if ( !fread(&c1, 1, 1, f) )
1230 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1236 static unsigned short readushort(FILE * f, int bigendian)
1238 unsigned char c1, c2;
1239 if ( !fread(&c1, 1, 1, f) )
1241 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1244 if ( !fread(&c2, 1, 1, f) )
1246 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1250 return (unsigned short)((c1 << 8) + c2);
1252 return (unsigned short)((c2 << 8) + c1);
1255 static unsigned int readuint(FILE * f, int bigendian)
1257 unsigned char c1, c2, c3, c4;
1258 if ( !fread(&c1, 1, 1, f) )
1260 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1263 if ( !fread(&c2, 1, 1, f) )
1265 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1268 if ( !fread(&c3, 1, 1, f) )
1270 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1273 if ( !fread(&c4, 1, 1, f) )
1275 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1279 return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4;
1281 return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(c2 << 8) + c1;
1284 opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
1287 int i, numcomps, max;
1288 OPJ_COLOR_SPACE color_space;
1289 opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
1290 opj_image_t * image = NULL;
1291 int adjustS, ushift, dshift, force8;
1293 char endian1,endian2,sign;
1298 opj_image_comp_t *comp = NULL;
1301 color_space = OPJ_CLRSPC_GRAY;
1303 memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
1307 f = fopen(filename, "rb");
1309 fprintf(stderr, "Failed to open %s for reading !\n", filename);
1313 fseek(f, 0, SEEK_SET);
1314 if( fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h) != 9){
1315 fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n");
1321 while (signtmp[i]!='\0') {
1322 if (signtmp[i]=='-') sign='-';
1327 if (endian1=='M' && endian2=='L') {
1329 } else if (endian2=='M' && endian1=='L') {
1332 fprintf(stderr, "Bad pgx header, please check input file\n");
1336 /* initialize image component */
1338 cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
1339 cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
1340 cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1;
1341 cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1;
1351 ushift = 8 - prec; dshift = prec - ushift;
1352 if(cmptparm.sgnd) adjustS = (1<<(prec - 1)); else adjustS = 0;
1356 else ushift = dshift = force8 = adjustS = 0;
1358 cmptparm.prec = (OPJ_UINT32)prec;
1359 cmptparm.bpp = (OPJ_UINT32)prec;
1360 cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx;
1361 cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy;
1363 /* create the image */
1364 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space);
1369 /* set image offset and reference grid */
1370 image->x0 = cmptparm.x0;
1371 image->y0 = cmptparm.x0;
1372 image->x1 = cmptparm.w;
1373 image->y1 = cmptparm.h;
1375 /* set image data */
1377 comp = &image->comps[0];
1379 for (i = 0; i < w * h; i++) {
1383 v = readuchar(f) + adjustS;
1384 v = (v<<ushift) + (v>>dshift);
1385 comp->data[i] = (unsigned char)v;
1387 if(v > max) max = v;
1391 if (comp->prec == 8) {
1395 v = (char) readuchar(f);
1397 } else if (comp->prec <= 16) {
1399 v = readushort(f, bigendian);
1401 v = (short) readushort(f, bigendian);
1405 v = (int)readuint(f, bigendian);
1407 v = (int) readuint(f, bigendian);
1415 comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1;
1420 #define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)
1423 #define STIN static __inline
1425 #define STIN static inline
1428 STIN int clamp( const int value, const int prec, const int sgnd )
1432 if (prec <= 8) return CLAMP(value,-128,127);
1433 else if (prec <= 16) return CLAMP(value,-32768,32767);
1434 else return CLAMP(value,-2147483647-1,2147483647);
1438 if (prec <= 8) return CLAMP(value,0,255);
1439 else if (prec <= 16) return CLAMP(value,0,65535);
1440 else return value; /*CLAMP(value,0,4294967295);*/
1444 int imagetopgx(opj_image_t * image, const char *outfile)
1447 int i, j, fails = 1;
1448 unsigned int compno;
1451 for (compno = 0; compno < image->numcomps; compno++)
1453 opj_image_comp_t *comp = &image->comps[compno];
1454 char bname[256]; /* buffer for name */
1455 char *name = bname; /* pointer */
1458 const size_t olen = strlen(outfile);
1459 const size_t dotpos = olen - 4;
1460 const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
1462 if( outfile[dotpos] != '.' )
1464 /* `pgx` was recognized but there is no dot at expected position */
1465 fprintf(stderr, "ERROR -> Impossible happen." );
1470 name = (char*)malloc(total+1);
1472 strncpy(name, outfile, dotpos);
1473 sprintf(name+dotpos, "_%d.pgx", compno);
1474 fdest = fopen(name, "wb");
1475 /* dont need name anymore */
1476 if( total > 256 ) free(name);
1479 fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1483 w = (int)image->comps[compno].w;
1484 h = (int)image->comps[compno].h;
1486 fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
1489 if (comp->prec <= 8)
1491 else if (comp->prec <= 16)
1496 for (i = 0; i < w * h; i++)
1498 /* FIXME: clamp func is being called within a loop */
1499 const int val = clamp(image->comps[compno].data[i],
1500 (int)comp->prec, (int)comp->sgnd);
1502 for (j = nbytes - 1; j >= 0; j--)
1504 int v = (int)(val >> (j * 8));
1505 unsigned char byte = (unsigned char)v;
1506 res = fwrite(&byte, 1, 1, fdest);
1510 fprintf(stderr, "failed to write 1 byte for %s\n", name);
1515 fclose(fdest); fdest = NULL;
1519 if(fdest) fclose(fdest);
1524 /* -->> -->> -->> -->>
1528 <<-- <<-- <<-- <<-- */
1532 int width, height, maxval, depth, format;
1533 char rgb, rgba, gray, graya, bw;
1537 static char *skip_white(char *s)
1541 if(*s == '\n' || *s == '\r') return NULL;
1542 if(isspace(*s)) { ++s; continue; }
1548 static char *skip_int(char *start, int *out_n)
1553 *out_n = 0; s = start;
1555 s = skip_white(start);
1556 if(s == NULL) return NULL;
1561 if( !isdigit(*s)) break;
1564 c = *s; *s = 0; *out_n = atoi(start); *s = c;
1568 static char *skip_idf(char *start, char out_idf[256])
1573 s = skip_white(start);
1574 if(s == NULL) return NULL;
1579 if(isalpha(*s) || *s == '_') { ++s; continue; }
1582 c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c;
1586 static void read_pnm_header(FILE *reader, struct pnm_header *ph)
1589 int format, have_wh, end, ttype;
1590 char idf[256], type[256];
1593 if (fgets(line, 250, reader) == NULL)
1595 fprintf(stderr,"\nWARNING: fgets return a NULL value");
1601 fprintf(stderr,"read_pnm_header:PNM:magic P missing\n"); return;
1603 format = atoi(line + 1);
1604 if(format < 1 || format > 7)
1606 fprintf(stderr,"read_pnm_header:magic format %d invalid\n", format);
1609 ph->format = format;
1610 ttype = end = have_wh = 0;
1612 while(fgets(line, 250, reader))
1614 if(*line == '#') continue;
1620 s = skip_idf(s, idf);
1622 if(s == NULL || *s == 0) return;
1624 if(strcmp(idf, "ENDHDR") == 0)
1628 if(strcmp(idf, "WIDTH") == 0)
1630 s = skip_int(s, &ph->width);
1631 if(s == NULL || *s == 0) return;
1635 if(strcmp(idf, "HEIGHT") == 0)
1637 s = skip_int(s, &ph->height);
1638 if(s == NULL || *s == 0) return;
1642 if(strcmp(idf, "DEPTH") == 0)
1644 s = skip_int(s, &ph->depth);
1645 if(s == NULL || *s == 0) return;
1649 if(strcmp(idf, "MAXVAL") == 0)
1651 s = skip_int(s, &ph->maxval);
1652 if(s == NULL || *s == 0) return;
1656 if(strcmp(idf, "TUPLTYPE") == 0)
1658 s = skip_idf(s, type);
1659 if(s == NULL || *s == 0) return;
1661 if(strcmp(type, "BLACKANDWHITE") == 0)
1663 ph->bw = 1; ttype = 1; continue;
1665 if(strcmp(type, "GRAYSCALE") == 0)
1667 ph->gray = 1; ttype = 1; continue;
1669 if(strcmp(type, "GRAYSCALE_ALPHA") == 0)
1671 ph->graya = 1; ttype = 1; continue;
1673 if(strcmp(type, "RGB") == 0)
1675 ph->rgb = 1; ttype = 1; continue;
1677 if(strcmp(type, "RGB_ALPHA") == 0)
1679 ph->rgba = 1; ttype = 1; continue;
1681 fprintf(stderr,"read_pnm_header:unknown P7 TUPLTYPE %s\n",type);
1684 fprintf(stderr,"read_pnm_header:unknown P7 idf %s\n",idf);
1686 } /* if(format == 7) */
1690 s = skip_int(s, &ph->width);
1692 s = skip_int(s, &ph->height);
1696 if(format == 1 || format == 4) break;
1700 if(format == 2 || format == 3 || format == 5 || format == 6)
1702 /* P2, P3, P5, P6: */
1703 s = skip_int(s, &ph->maxval);
1705 if(ph->maxval > 65535) return;
1708 }/* while(fgets( ) */
1709 if(format == 2 || format == 3 || format > 4)
1711 if(ph->maxval < 1 || ph->maxval > 65535) return;
1713 if(ph->width < 1 || ph->height < 1) return;
1719 fprintf(stderr,"read_pnm_header:P7 without ENDHDR\n"); return;
1721 if(ph->depth < 1 || ph->depth > 4) return;
1723 if(ph->width && ph->height && ph->depth & ph->maxval && ttype)
1728 if(format != 1 && format != 4)
1730 if(ph->width && ph->height && ph->maxval) ph->ok = 1;
1734 if(ph->width && ph->height) ph->ok = 1;
1740 static int has_prec(int val)
1742 if(val < 2) return 1;
1743 if(val < 4) return 2;
1744 if(val < 8) return 3;
1745 if(val < 16) return 4;
1746 if(val < 32) return 5;
1747 if(val < 64) return 6;
1748 if(val < 128) return 7;
1749 if(val < 256) return 8;
1750 if(val < 512) return 9;
1751 if(val < 1024) return 10;
1752 if(val < 2048) return 11;
1753 if(val < 4096) return 12;
1754 if(val < 8192) return 13;
1755 if(val < 16384) return 14;
1756 if(val < 32768) return 15;
1760 opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
1761 int subsampling_dx = parameters->subsampling_dx;
1762 int subsampling_dy = parameters->subsampling_dy;
1765 int i, compno, numcomps, w, h, prec, format;
1766 OPJ_COLOR_SPACE color_space;
1767 opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */
1768 opj_image_t * image = NULL;
1769 struct pnm_header header_info;
1771 if((fp = fopen(filename, "rb")) == NULL)
1773 fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n",filename);
1776 memset(&header_info, 0, sizeof(struct pnm_header));
1778 read_pnm_header(fp, &header_info);
1780 if(!header_info.ok) { fclose(fp); return NULL; }
1782 format = header_info.format;
1786 case 1: /* ascii bitmap */
1787 case 4: /* raw bitmap */
1791 case 2: /* ascii greymap */
1792 case 5: /* raw greymap */
1796 case 3: /* ascii pixmap */
1797 case 6: /* raw pixmap */
1801 case 7: /* arbitrary map */
1802 numcomps = header_info.depth;
1805 default: fclose(fp); return NULL;
1808 color_space = OPJ_CLRSPC_GRAY;/* GRAY, GRAYA */
1810 color_space = OPJ_CLRSPC_SRGB;/* RGB, RGBA */
1812 prec = has_prec(header_info.maxval);
1814 if(prec < 8) prec = 8;
1816 w = header_info.width;
1817 h = header_info.height;
1818 subsampling_dx = parameters->subsampling_dx;
1819 subsampling_dy = parameters->subsampling_dy;
1821 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
1823 for(i = 0; i < numcomps; i++)
1825 cmptparm[i].prec = (OPJ_UINT32)prec;
1826 cmptparm[i].bpp = (OPJ_UINT32)prec;
1827 cmptparm[i].sgnd = 0;
1828 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
1829 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
1830 cmptparm[i].w = (OPJ_UINT32)w;
1831 cmptparm[i].h = (OPJ_UINT32)h;
1833 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
1835 if(!image) { fclose(fp); return NULL; }
1837 /* set image offset and reference grid */
1838 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
1839 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
1840 image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1);
1841 image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1);
1843 if((format == 2) || (format == 3)) /* ascii pixmap */
1847 for (i = 0; i < w * h; i++)
1849 for(compno = 0; compno < numcomps; compno++)
1852 if (fscanf(fp, "%u", &index) != 1)
1853 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1855 image->comps[compno].data[i] = (OPJ_INT32)(index * 255)/header_info.maxval;
1863 && ( header_info.gray || header_info.graya
1864 || header_info.rgb || header_info.rgba)))/* binary pixmap */
1866 unsigned char c0, c1, one;
1870 for (i = 0; i < w * h; i++)
1872 for(compno = 0; compno < numcomps; compno++)
1874 if ( !fread(&c0, 1, 1, fp) )
1875 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1878 image->comps[compno].data[i] = c0;
1882 if ( !fread(&c1, 1, 1, fp) )
1883 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1885 image->comps[compno].data[i] = ((c0<<8) | c1);
1891 if(format == 1) /* ascii bitmap */
1893 for (i = 0; i < w * h; i++)
1897 if ( fscanf(fp, "%u", &index) != 1)
1898 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1900 image->comps[0].data[i] = (index?0:255);
1910 for(y = 0; y < h; ++y)
1914 for(x = 0; x < w; ++x)
1919 uc = (unsigned char)getc(fp);
1921 image->comps[0].data[i] = (((uc>>bit) & 1)?0:255);
1927 if((format == 7 && header_info.bw)) /*MONO*/
1931 for(i = 0; i < w * h; ++i)
1933 if ( !fread(&uc, 1, 1, fp) )
1934 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1935 image->comps[0].data[i] = (uc & 1)?0:255;
1943 int imagetopnm(opj_image_t * image, const char *outfile)
1945 int *red, *green, *blue, *alpha;
1948 unsigned int compno, ncomp;
1949 int adjustR, adjustG, adjustB, adjustA;
1950 int fails, two, want_gray, has_alpha, triple;
1953 const char *tmp = outfile;
1958 if((prec = (int)image->comps[0].prec) > 16)
1960 fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
1961 "\n\t: refused.\n",__FILE__,__LINE__,prec);
1964 two = has_alpha = 0; fails = 1;
1965 ncomp = image->numcomps;
1967 while (*tmp) ++tmp; tmp -= 2;
1968 want_gray = (*tmp == 'g' || *tmp == 'G');
1969 ncomp = image->numcomps;
1971 if(want_gray) ncomp = 1;
1973 if (ncomp == 2 /* GRAYA */
1974 || (ncomp > 2 /* RGB, RGBA */
1975 && image->comps[0].dx == image->comps[1].dx
1976 && image->comps[1].dx == image->comps[2].dx
1977 && image->comps[0].dy == image->comps[1].dy
1978 && image->comps[1].dy == image->comps[2].dy
1979 && image->comps[0].prec == image->comps[1].prec
1980 && image->comps[1].prec == image->comps[2].prec
1983 fdest = fopen(outfile, "wb");
1987 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1991 triple = (ncomp > 2);
1992 wr = (int)image->comps[0].w; hr = (int)image->comps[0].h;
1993 max = (1<<prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2);
1995 red = image->comps[0].data;
1999 green = image->comps[1].data;
2000 blue = image->comps[2].data;
2002 else green = blue = NULL;
2006 const char *tt = (triple?"RGB_ALPHA":"GRAYSCALE_ALPHA");
2008 fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n"
2009 "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
2010 wr, hr, ncomp, max, tt);
2011 alpha = image->comps[ncomp - 1].data;
2012 adjustA = (image->comps[ncomp - 1].sgnd ?
2013 1 << (image->comps[ncomp - 1].prec - 1) : 0);
2017 fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
2018 opj_version(), wr, hr, max);
2021 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
2025 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
2026 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
2028 else adjustG = adjustB = 0;
2030 for(i = 0; i < wr * hr; ++i)
2034 v = *red + adjustR; ++red;
2035 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2038 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2042 v = *green + adjustG; ++green;
2043 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2046 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2048 v = *blue + adjustB; ++blue;
2049 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2052 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2058 v = *alpha + adjustA; ++alpha;
2059 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2062 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2070 if(v > 255) v = 255; else if(v < 0) v = 0;
2072 fprintf(fdest, "%c", (unsigned char)v);
2076 if(v > 255) v = 255; else if(v < 0) v = 0;
2078 fprintf(fdest, "%c", (unsigned char)v);
2080 if(v > 255) v = 255; else if(v < 0) v = 0;
2082 fprintf(fdest, "%c", (unsigned char)v);
2087 if(v > 255) v = 255; else if(v < 0) v = 0;
2089 fprintf(fdest, "%c", (unsigned char)v);
2093 fclose(fdest); return 0;
2098 if (image->numcomps > ncomp)
2100 fprintf(stderr,"WARNING -> [PGM file] Only the first component\n");
2101 fprintf(stderr," is written to the file\n");
2103 destname = (char*)malloc(strlen(outfile) + 8);
2105 for (compno = 0; compno < ncomp; compno++)
2108 sprintf(destname, "%d.%s", compno, outfile);
2110 sprintf(destname, "%s", outfile);
2112 fdest = fopen(destname, "wb");
2115 fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
2119 wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h;
2120 prec = (int)image->comps[compno].prec;
2121 max = (1<<prec) - 1;
2123 fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
2124 opj_version(), wr, hr, max);
2126 red = image->comps[compno].data;
2128 (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
2132 for (i = 0; i < wr * hr; i++)
2134 v = *red + adjustR; ++red;
2135 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2138 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2143 if(v > 65535) v = 65535; else if(v < 0) v = 0;
2146 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
2150 else /* prec <= 8 */
2152 for(i = 0; i < wr * hr; ++i)
2154 v = *red + adjustR; ++red;
2155 if(v > 255) v = 255; else if(v < 0) v = 0;
2157 fprintf(fdest, "%c", (unsigned char)v);
2167 #ifdef OPJ_HAVE_LIBTIFF
2168 /* -->> -->> -->> -->>
2172 <<-- <<-- <<-- <<-- */
2174 int imagetotif(opj_image_t * image, const char *outfile)
2176 int width, height, imgsize;
2177 int bps,index,adjust, sgnd;
2178 int ushift, dshift, has_alpha, force16;
2184 ushift = dshift = force16 = has_alpha = 0;
2185 bps = (int)image->comps[0].prec;
2187 if(bps > 8 && bps < 16)
2189 ushift = 16 - bps; dshift = bps - ushift;
2190 bps = 16; force16 = 1;
2193 if(bps != 8 && bps != 16)
2195 fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits implemented\n",
2197 fprintf(stderr,"\tAborting\n");
2200 tif = TIFFOpen(outfile, "wb");
2204 fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile);
2207 sgnd = (int)image->comps[0].sgnd;
2208 adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0;
2210 if(image->numcomps >= 3
2211 && image->comps[0].dx == image->comps[1].dx
2212 && image->comps[1].dx == image->comps[2].dx
2213 && image->comps[0].dy == image->comps[1].dy
2214 && image->comps[1].dy == image->comps[2].dy
2215 && image->comps[0].prec == image->comps[1].prec
2216 && image->comps[1].prec == image->comps[2].prec)
2218 has_alpha = (image->numcomps == 4);
2220 width = (int)image->comps[0].w;
2221 height = (int)image->comps[0].h;
2222 imgsize = width * height ;
2224 TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
2225 TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
2226 TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha);
2227 TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
2228 TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
2229 TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
2230 TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
2231 TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
2232 strip_size = TIFFStripSize(tif);
2233 buf = _TIFFmalloc(strip_size);
2236 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2238 unsigned char *dat8;
2239 tsize_t i, ssize, last_i = 0;
2241 ssize = TIFFStripSize(tif);
2242 dat8 = (unsigned char*)buf;
2246 step = 3 + has_alpha;
2249 for(i=0; i < ssize - restx; i += step)
2255 r = image->comps[0].data[index];
2256 g = image->comps[1].data[index];
2257 b = image->comps[2].data[index];
2258 if(has_alpha) a = image->comps[3].data[index];
2265 if(has_alpha) a += adjust;
2267 if(r > 255) r = 255; else if(r < 0) r = 0;
2268 dat8[i+0] = (unsigned char)r ;
2269 if(g > 255) g = 255; else if(g < 0) g = 0;
2270 dat8[i+1] = (unsigned char)g ;
2271 if(b > 255) b = 255; else if(b < 0) b = 0;
2272 dat8[i+2] = (unsigned char)b ;
2275 if(a > 255) a = 255; else if(a < 0) a = 0;
2276 dat8[i+3] = (unsigned char)a;
2288 for(i = last_i; i < ssize; i += step)
2294 r = image->comps[0].data[index];
2295 g = image->comps[1].data[index];
2296 b = image->comps[2].data[index];
2297 if(has_alpha) a = image->comps[3].data[index];
2304 if(has_alpha) a += adjust;
2306 if(r > 255) r = 255; else if(r < 0) r = 0;
2307 if(g > 255) g = 255; else if(g < 0) g = 0;
2308 if(b > 255) b = 255; else if(b < 0) b = 0;
2310 dat8[i+0] = (unsigned char)r ;
2311 if(i+1 < ssize) dat8[i+1] = (unsigned char)g ; else break;
2312 if(i+2 < ssize) dat8[i+2] = (unsigned char)b ; else break;
2315 if(a > 255) a = 255; else if(a < 0) a = 0;
2317 if(i+3 < ssize) dat8[i+3] = (unsigned char)a ; else break;
2324 }/*if(last_i < ssize)*/
2330 step = 6 + has_alpha + has_alpha;
2333 for(i = 0; i < ssize - restx ; i += step)
2339 r = image->comps[0].data[index];
2340 g = image->comps[1].data[index];
2341 b = image->comps[2].data[index];
2342 if(has_alpha) a = image->comps[3].data[index];
2349 if(has_alpha) a += adjust;
2353 r = (r<<ushift) + (r>>dshift);
2354 g = (g<<ushift) + (g>>dshift);
2355 b = (b<<ushift) + (b>>dshift);
2356 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2358 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2359 if(g > 65535) g = 65535; else if(g < 0) g = 0;
2360 if(b > 65535) b = 65535; else if(b < 0) b = 0;
2362 dat8[i+0] = (unsigned char)r;/*LSB*/
2363 dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
2364 dat8[i+2] = (unsigned char)g;
2365 dat8[i+3] = (unsigned char)(g >> 8);
2366 dat8[i+4] = (unsigned char)b;
2367 dat8[i+5] = (unsigned char)(b >> 8);
2370 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2371 dat8[i+6] = (unsigned char)a;
2372 dat8[i+7] = (unsigned char)(a >> 8);
2383 for(i = last_i ; i < ssize ; i += step)
2389 r = image->comps[0].data[index];
2390 g = image->comps[1].data[index];
2391 b = image->comps[2].data[index];
2392 if(has_alpha) a = image->comps[3].data[index];
2399 if(has_alpha) a += adjust;
2403 r = (r<<ushift) + (r>>dshift);
2404 g = (g<<ushift) + (g>>dshift);
2405 b = (b<<ushift) + (b>>dshift);
2406 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2408 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2409 if(g > 65535) g = 65535; else if(g < 0) g = 0;
2410 if(b > 65535) b = 65535; else if(b < 0) b = 0;
2412 dat8[i+0] = (unsigned char) r;/*LSB*/
2413 if(i+1 < ssize) dat8[i+1] = (unsigned char)(r >> 8);else break;/*MSB*/
2414 if(i+2 < ssize) dat8[i+2] = (unsigned char) g; else break;
2415 if(i+3 < ssize) dat8[i+3] = (unsigned char)(g >> 8);else break;
2416 if(i+4 < ssize) dat8[i+4] = (unsigned char) b; else break;
2417 if(i+5 < ssize) dat8[i+5] = (unsigned char)(b >> 8);else break;
2421 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2422 if(i+6 < ssize) dat8[i+6] = (unsigned char)a; else break;
2423 if(i+7 < ssize) dat8[i+7] = (unsigned char)(a >> 8); else break;
2430 }/*if(last_i < ssize)*/
2433 (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
2434 }/*for(strip = 0; )*/
2436 _TIFFfree((void*)buf);
2442 if(image->numcomps == 1 /* GRAY */
2443 || ( image->numcomps == 2 /* GRAY_ALPHA */
2444 && image->comps[0].dx == image->comps[1].dx
2445 && image->comps[0].dy == image->comps[1].dy
2446 && image->comps[0].prec == image->comps[1].prec))
2450 has_alpha = (image->numcomps == 2);
2452 width = (int)image->comps[0].w;
2453 height = (int)image->comps[0].h;
2454 imgsize = width * height;
2457 TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
2458 TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
2459 TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha);
2460 TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
2461 TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
2462 TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
2463 TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
2464 TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
2466 /* Get a buffer for the data */
2467 strip_size = TIFFStripSize(tif);
2468 buf = _TIFFmalloc(strip_size);
2471 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2473 unsigned char *dat8;
2474 tsize_t i, ssize = TIFFStripSize(tif);
2475 dat8 = (unsigned char*)buf;
2479 step = 1 + has_alpha;
2481 for(i=0; i < ssize; i += step)
2487 r = image->comps[0].data[index];
2488 if(has_alpha) a = image->comps[1].data[index];
2493 if(has_alpha) a += adjust;
2495 if(r > 255) r = 255; else if(r < 0) r = 0;
2496 dat8[i+0] = (unsigned char)r;
2500 if(a > 255) a = 255; else if(a < 0) a = 0;
2501 dat8[i+1] = (unsigned char)a;
2512 step = 2 + has_alpha + has_alpha;
2514 for(i=0; i < ssize; i += step)
2520 r = image->comps[0].data[index];
2521 if(has_alpha) a = image->comps[1].data[index];
2526 if(has_alpha) a += adjust;
2530 r = (r<<ushift) + (r>>dshift);
2531 if(has_alpha) a = (a<<ushift) + (a>>dshift);
2533 if(r > 65535) r = 65535; else if(r < 0) r = 0;
2534 dat8[i+0] = (unsigned char)r;/*LSB*/
2535 dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
2538 if(a > 65535) a = 65535; else if(a < 0) a = 0;
2539 dat8[i+2] = (unsigned char)a;
2540 dat8[i+3] = (unsigned char)(a >> 8);
2543 }/*if(index < imgsize)*/
2548 (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
2559 fprintf(stderr,"imagetotif: Bad color format.\n"
2560 "\tOnly RGB(A) and GRAY(A) has been implemented\n");
2561 fprintf(stderr,"\tFOUND: numcomps(%d)\n\tAborting\n",
2568 * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted
2569 * CINEMA : 12 bit precision
2571 opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
2573 int subsampling_dx = parameters->subsampling_dx;
2574 int subsampling_dy = parameters->subsampling_dy;
2579 int j, numcomps, w, h,index;
2580 OPJ_COLOR_SPACE color_space;
2581 opj_image_cmptparm_t cmptparm[4]; /* RGBA */
2582 opj_image_t *image = NULL;
2585 unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC;
2586 unsigned int tiWidth, tiHeight;
2588 tif = TIFFOpen(filename, "r");
2592 fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename);
2595 tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0;
2596 tiWidth = tiHeight = 0;
2598 TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth);
2599 TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight);
2600 TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps);
2601 TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf);
2602 TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp);
2603 TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto);
2604 TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC);
2608 if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0;
2609 if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0;
2611 if( !tiBps || !tiPhoto)
2614 fprintf(stderr,"tiftoimage: Bits=%d, Only 8 and 16 bits"
2615 " implemented\n",tiBps);
2618 fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)"
2619 " and GRAY(A) has been implemented\n",(int) tiPhoto);
2621 fprintf(stderr,"\tAborting\n");
2627 {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */
2629 uint16 extrasamples;
2631 TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
2632 &extrasamples, &sampleinfo);
2634 if(extrasamples >= 1)
2636 switch(sampleinfo[0])
2638 case EXTRASAMPLE_UNSPECIFIED:
2639 /* Workaround for some images without correct info about alpha channel
2645 case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */
2646 case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */
2651 else /* extrasamples == 0 */
2652 if(tiSpp == 4 || tiSpp == 2) has_alpha = 1;
2655 /* initialize image components
2657 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
2659 if ((tiPhoto == PHOTOMETRIC_RGB) && (parameters->cp_cinema)) {
2660 fprintf(stdout,"WARNING:\n"
2661 "Input image bitdepth is %d bits\n"
2662 "TIF conversion has automatically rescaled to 12-bits\n"
2663 "to comply with cinema profiles.\n",
2667 if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */
2669 numcomps = 3 + has_alpha;
2670 color_space = OPJ_CLRSPC_SRGB;
2672 /*#define USETILEMODE*/
2673 for(j = 0; j < numcomps; j++)
2675 if(parameters->cp_cinema)
2677 cmptparm[j].prec = 12;
2678 cmptparm[j].bpp = 12;
2682 cmptparm[j].prec = tiBps;
2683 cmptparm[j].bpp = tiBps;
2685 cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
2686 cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
2687 cmptparm[j].w = (OPJ_UINT32)w;
2688 cmptparm[j].h = (OPJ_UINT32)h;
2696 image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
2698 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2706 /* set image offset and reference grid
2708 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2709 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2710 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
2711 image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2712 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
2713 image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2715 buf = _TIFFmalloc(TIFFStripSize(tif));
2717 strip_size=TIFFStripSize(tif);
2719 imgsize = (int)(image->comps[0].w * image->comps[0].h);
2720 /* Read the Image components
2722 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2724 unsigned char *dat8;
2727 ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
2728 dat8 = (unsigned char*)buf;
2732 step = 6 + has_alpha + has_alpha;
2734 for(i = 0; i < ssize; i += step)
2738 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */
2739 image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */
2740 image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */
2742 image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6];
2744 if(parameters->cp_cinema)
2746 /* Rounding 16 to 12 bits
2748 image->comps[0].data[index] =
2749 (image->comps[0].data[index] + 0x08) >> 4 ;
2750 image->comps[1].data[index] =
2751 (image->comps[1].data[index] + 0x08) >> 4 ;
2752 image->comps[2].data[index] =
2753 (image->comps[2].data[index] + 0x08) >> 4 ;
2755 image->comps[3].data[index] =
2756 (image->comps[3].data[index] + 0x08) >> 4 ;
2763 }/*if(tiBps == 16)*/
2767 step = 3 + has_alpha;
2769 for(i = 0; i < ssize; i += step)
2774 image->comps[0].data[index] = dat8[i+0];/* R */
2775 image->comps[1].data[index] = dat8[i+1];/* G */
2776 image->comps[2].data[index] = dat8[i+2];/* B */
2778 image->comps[3].data[index] = dat8[i+3];
2781 if(parameters->cp_cinema)
2783 /* Rounding 8 to 12 bits
2786 image->comps[0].data[index] = image->comps[0].data[index] << 4 ;
2787 image->comps[1].data[index] = image->comps[1].data[index] << 4 ;
2788 image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
2790 image->comps[3].data[index] = image->comps[3].data[index] << 4 ;
2798 }/*if( tiBps == 8)*/
2800 if(tiBps == 12)/* CINEMA file */
2804 for(i = 0; i < ssize; i += step)
2806 if((index < imgsize)&(index+1 < imgsize))
2808 image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4);
2809 image->comps[1].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
2811 image->comps[2].data[index] = ( dat8[i+3]<<4) |(dat8[i+4]>>4);
2812 image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5];
2814 image->comps[1].data[index+1] = ( dat8[i+6] <<4) |(dat8[i+7]>>4);
2815 image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];
2823 }/*for(strip = 0; )*/
2831 if(tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */
2833 numcomps = 1 + has_alpha;
2834 color_space = OPJ_CLRSPC_GRAY;
2836 for(j = 0; j < numcomps; ++j)
2838 cmptparm[j].prec = tiBps;
2839 cmptparm[j].bpp = tiBps;
2840 cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
2841 cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
2842 cmptparm[j].w = (OPJ_UINT32)w;
2843 cmptparm[j].h = (OPJ_UINT32)h;
2846 image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
2848 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2856 /* set image offset and reference grid
2858 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2859 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2860 image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
2861 image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2862 image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
2863 image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2865 buf = _TIFFmalloc(TIFFStripSize(tif));
2867 strip_size = TIFFStripSize(tif);
2869 imgsize = (int)(image->comps[0].w * image->comps[0].h);
2870 /* Read the Image components
2872 for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
2874 unsigned char *dat8;
2878 ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
2879 dat8 = (unsigned char*)buf;
2883 step = 2 + has_alpha + has_alpha;
2885 for(i = 0; i < ssize; i += step)
2889 image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
2891 image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2];
2901 step = 1 + has_alpha;
2903 for(i = 0; i < ssize; i += step)
2907 image->comps[0].data[index] = dat8[i+0];
2909 image->comps[1].data[index] = dat8[i+1];
2927 #endif /* OPJ_HAVE_LIBTIFF */
2929 /* -->> -->> -->> -->>
2933 <<-- <<-- <<-- <<-- */
2934 static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) {
2935 int subsampling_dx = parameters->subsampling_dx;
2936 int subsampling_dy = parameters->subsampling_dy;
2939 int i, compno, numcomps, w, h;
2940 OPJ_COLOR_SPACE color_space;
2941 opj_image_cmptparm_t *cmptparm;
2942 opj_image_t * image = NULL;
2945 if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
2947 fprintf(stderr,"\nError: invalid raw image parameters\n");
2948 fprintf(stderr,"Please use the Format option -F:\n");
2949 fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
2950 fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
2951 fprintf(stderr,"Aborting\n");
2955 f = fopen(filename, "rb");
2957 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
2958 fprintf(stderr,"Aborting\n");
2961 numcomps = raw_cp->rawComp;
2962 color_space = OPJ_CLRSPC_SRGB;
2963 w = raw_cp->rawWidth;
2964 h = raw_cp->rawHeight;
2965 cmptparm = (opj_image_cmptparm_t*) malloc((size_t)numcomps * sizeof(opj_image_cmptparm_t));
2967 /* initialize image components */
2968 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
2969 for(i = 0; i < numcomps; i++) {
2970 cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
2971 cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
2972 cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
2973 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
2974 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
2975 cmptparm[i].w = (OPJ_UINT32)w;
2976 cmptparm[i].h = (OPJ_UINT32)h;
2978 /* create the image */
2979 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2985 /* set image offset and reference grid */
2986 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2987 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2988 image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2989 image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2991 if(raw_cp->rawBitDepth <= 8)
2993 unsigned char value = 0;
2994 for(compno = 0; compno < numcomps; compno++) {
2995 for (i = 0; i < w * h; i++) {
2996 if (!fread(&value, 1, 1, f)) {
2997 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3000 image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
3004 else if(raw_cp->rawBitDepth <= 16)
3006 unsigned short value;
3007 for(compno = 0; compno < numcomps; compno++) {
3008 for (i = 0; i < w * h; i++) {
3009 unsigned char temp1;
3010 unsigned char temp2;
3011 if (!fread(&temp1, 1, 1, f)) {
3012 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3015 if (!fread(&temp2, 1, 1, f)) {
3016 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
3021 value = (unsigned short)((temp1 << 8) + temp2);
3025 value = (unsigned short)((temp2 << 8) + temp1);
3027 image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
3032 fprintf(stderr,"OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
3036 if (fread(&ch, 1, 1, f)) {
3037 fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
3044 opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
3045 return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
3048 opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
3049 return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
3052 static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian)
3054 FILE *rawFile = NULL;
3056 unsigned int compno;
3058 int line, row, curr, mask;
3063 if((image->numcomps * image->x1 * image->y1) == 0)
3065 fprintf(stderr,"\nError: invalid raw image parameters\n");
3069 rawFile = fopen(outfile, "wb");
3071 fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
3076 fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);
3078 for(compno = 0; compno < image->numcomps; compno++)
3080 fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
3081 image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");
3083 w = (int)image->comps[compno].w;
3084 h = (int)image->comps[compno].h;
3086 if(image->comps[compno].prec <= 8)
3088 if(image->comps[compno].sgnd == 1)
3090 mask = (1 << image->comps[compno].prec) - 1;
3091 ptr = image->comps[compno].data;
3092 for (line = 0; line < h; line++) {
3093 for(row = 0; row < w; row++) {
3095 if(curr > 127) curr = 127; else if(curr < -128) curr = -128;
3096 uc = (unsigned char) (curr & mask);
3097 res = fwrite(&uc, 1, 1, rawFile);
3099 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
3106 else if(image->comps[compno].sgnd == 0)
3108 mask = (1 << image->comps[compno].prec) - 1;
3109 ptr = image->comps[compno].data;
3110 for (line = 0; line < h; line++) {
3111 for(row = 0; row < w; row++) {
3113 if(curr > 255) curr = 255; else if(curr < 0) curr = 0;
3114 uc = (unsigned char) (curr & mask);
3115 res = fwrite(&uc, 1, 1, rawFile);
3117 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
3125 else if(image->comps[compno].prec <= 16)
3127 if(image->comps[compno].sgnd == 1)
3129 union { signed short val; signed char vals[2]; } uc;
3130 mask = (1 << image->comps[compno].prec) - 1;
3131 ptr = image->comps[compno].data;
3132 for (line = 0; line < h; line++) {
3133 for(row = 0; row < w; row++) {
3135 if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768;
3136 uc.val = (signed short)(curr & mask);
3137 res = fwrite(uc.vals, 1, 2, rawFile);
3139 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
3146 else if(image->comps[compno].sgnd == 0)
3148 union { unsigned short val; unsigned char vals[2]; } uc;
3149 mask = (1 << image->comps[compno].prec) - 1;
3150 ptr = image->comps[compno].data;
3151 for (line = 0; line < h; line++) {
3152 for(row = 0; row < w; row++) {
3154 if(curr > 65536 ) curr = 65536; else if( curr < 0) curr = 0;
3155 uc.val = (unsigned short)(curr & mask);
3156 res = fwrite(uc.vals, 1, 2, rawFile);
3158 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
3166 else if (image->comps[compno].prec <= 32)
3168 fprintf(stderr,"More than 16 bits per component no handled yet\n");
3173 fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
3183 int imagetoraw(opj_image_t * image, const char *outfile)
3185 return imagetoraw_common(image, outfile, OPJ_TRUE);
3188 int imagetorawl(opj_image_t * image, const char *outfile)
3190 return imagetoraw_common(image, outfile, OPJ_FALSE);
3193 #ifdef OPJ_HAVE_LIBPNG
3195 #define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a"
3196 #define MAGIC_SIZE 8
3197 /* PNG allows bits per sample: 1, 2, 4, 8, 16 */
3199 opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params)
3203 double gamma, display_exponent;
3204 int bit_depth, interlace_type,compression_type, filter_type;
3206 png_uint_32 resx, resy;
3208 png_uint_32 width, height;
3209 int color_type, has_alpha, is16;
3212 unsigned char **rows;
3215 opj_image_cmptparm_t cmptparm[4];
3217 unsigned int nr_comp;
3219 unsigned char sigbuf[8];
3221 if((reader = fopen(read_idf, "rb")) == NULL)
3223 fprintf(stderr,"pngtoimage: can not open %s\n",read_idf);
3226 image = NULL; png = NULL; rows = NULL;
3228 if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE
3229 || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0)
3231 fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf);
3234 /* libpng-VERSION/example.c:
3235 * PC : screen_gamma = 2.2;
3236 * Mac: screen_gamma = 1.7 or 1.0;
3238 display_exponent = 2.2;
3240 if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING,
3241 NULL, NULL, NULL)) == NULL)
3243 if((info = png_create_info_struct(png)) == NULL)
3246 if(setjmp(png_jmpbuf(png)))
3249 png_init_io(png, reader);
3250 png_set_sig_bytes(png, MAGIC_SIZE);
3252 png_read_info(png, info);
3254 if(png_get_IHDR(png, info, &width, &height,
3255 &bit_depth, &color_type, &interlace_type,
3256 &compression_type, &filter_type) == 0)
3259 /* png_set_expand():
3260 * expand paletted images to RGB, expand grayscale images of
3261 * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
3262 * to alpha channels.
3264 if(color_type == PNG_COLOR_TYPE_PALETTE)
3265 png_set_expand(png);
3267 if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
3268 png_set_expand(png);
3270 if(png_get_valid(png, info, PNG_INFO_tRNS))
3271 png_set_expand(png);
3273 is16 = (bit_depth == 16);
3275 /* GRAY => RGB; GRAY_ALPHA => RGBA
3277 if(color_type == PNG_COLOR_TYPE_GRAY
3278 || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
3280 png_set_gray_to_rgb(png);
3282 (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB:
3283 PNG_COLOR_TYPE_RGB_ALPHA);
3285 if( !png_get_gAMA(png, info, &gamma))
3288 png_set_gamma(png, display_exponent, gamma);
3290 png_read_update_info(png, info);
3292 png_get_pHYs(png, info, &resx, &resy, &unit);
3294 color_type = png_get_color_type(png, info);
3296 has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
3298 nr_comp = 3 + (unsigned int)has_alpha;
3300 bit_depth = png_get_bit_depth(png, info);
3302 rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*));
3303 for(i = 0; i < height; ++i)
3304 rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info));
3306 png_read_image(png, rows);
3308 memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));
3310 sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;
3312 for(i = 0; i < nr_comp; ++i)
3314 cmptparm[i].prec = (OPJ_UINT32)bit_depth;
3315 /* bits_per_pixel: 8 or 16 */
3316 cmptparm[i].bpp = (OPJ_UINT32)bit_depth;
3317 cmptparm[i].sgnd = 0;
3318 cmptparm[i].dx = (OPJ_UINT32)sub_dx;
3319 cmptparm[i].dy = (OPJ_UINT32)sub_dy;
3320 cmptparm[i].w = (OPJ_UINT32)width;
3321 cmptparm[i].h = (OPJ_UINT32)height;
3324 image = opj_image_create(nr_comp, &cmptparm[0], OPJ_CLRSPC_SRGB);
3326 if(image == NULL) goto fin;
3328 image->x0 = (OPJ_UINT32)params->image_offset_x0;
3329 image->y0 = (OPJ_UINT32)params->image_offset_y0;
3330 image->x1 = (OPJ_UINT32)(image->x0 + (width - 1) * (OPJ_UINT32)sub_dx + 1 + image->x0);
3331 image->y1 = (OPJ_UINT32)(image->y0 + (height - 1) * (OPJ_UINT32)sub_dy + 1 + image->y0);
3333 r = image->comps[0].data;
3334 g = image->comps[1].data;
3335 b = image->comps[2].data;
3336 a = image->comps[3].data;
3338 for(i = 0; i < height; ++i)
3342 for(j = 0; j < width; ++j)
3346 *r++ = s[0]<<8|s[1]; s += 2;
3348 *g++ = s[0]<<8|s[1]; s += 2;
3350 *b++ = s[0]<<8|s[1]; s += 2;
3352 if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; }
3356 *r++ = *s++; *g++ = *s++; *b++ = *s++;
3358 if(has_alpha) *a++ = *s++;
3364 for(i = 0; i < height; ++i)
3369 png_destroy_read_struct(&png, &info, NULL);
3377 int imagetopng(opj_image_t * image, const char *write_idf)
3382 int *red, *green, *blue, *alpha;
3383 unsigned char *row_buf, *d;
3384 int has_alpha, width, height, nr_comp, color_type;
3385 int adjustR, adjustG, adjustB, adjustA, x, y, fails;
3386 int prec, ushift, dshift, is16, force16, force8;
3387 unsigned short mask = 0xffff;
3388 png_color_8 sig_bit;
3390 is16 = force16 = force8 = ushift = dshift = 0; fails = 1;
3391 prec = (int)image->comps[0].prec;
3392 nr_comp = (int)image->numcomps;
3394 if(prec > 8 && prec < 16)
3396 ushift = 16 - prec; dshift = prec - ushift;
3397 prec = 16; force16 = 1;
3400 if(prec < 8 && nr_comp > 1)/* GRAY_ALPHA, RGB, RGB_ALPHA */
3402 ushift = 8 - prec; dshift = 8 - ushift;
3403 prec = 8; force8 = 1;
3406 if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16)
3408 fprintf(stderr,"imagetopng: can not create %s"
3409 "\n\twrong bit_depth %d\n", write_idf, prec);
3412 writer = fopen(write_idf, "wb");
3414 if(writer == NULL) return fails;
3416 info = NULL; has_alpha = 0;
3418 /* Create and initialize the png_struct with the desired error handler
3419 * functions. If you want to use the default stderr and longjump method,
3420 * you can supply NULL for the last three parameters. We also check that
3421 * the library version is compatible with the one used at compile time,
3422 * in case we are using dynamically linked libraries. REQUIRED.
3424 png = png_create_write_struct(PNG_LIBPNG_VER_STRING,
3426 /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */
3428 if(png == NULL) goto fin;
3430 /* Allocate/initialize the image information data. REQUIRED
3432 info = png_create_info_struct(png);
3434 if(info == NULL) goto fin;
3436 /* Set error handling. REQUIRED if you are not supplying your own
3437 * error handling functions in the png_create_write_struct() call.
3439 if(setjmp(png_jmpbuf(png))) goto fin;
3441 /* I/O initialization functions is REQUIRED
3443 png_init_io(png, writer);
3445 /* Set the image information here. Width and height are up to 2^31,
3446 * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
3447 * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
3448 * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
3449 * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or
3450 * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
3451 * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE.
3456 * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8
3457 * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8
3458 * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8
3459 * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8
3462 png_set_compression_level(png, Z_BEST_COMPRESSION);
3464 if(prec == 16) mask = 0xffff;
3466 if(prec == 8) mask = 0x00ff;
3468 if(prec == 4) mask = 0x000f;
3470 if(prec == 2) mask = 0x0003;
3472 if(prec == 1) mask = 0x0001;
3475 && image->comps[0].dx == image->comps[1].dx
3476 && image->comps[1].dx == image->comps[2].dx
3477 && image->comps[0].dy == image->comps[1].dy
3478 && image->comps[1].dy == image->comps[2].dy
3479 && image->comps[0].prec == image->comps[1].prec
3480 && image->comps[1].prec == image->comps[2].prec)
3484 has_alpha = (nr_comp > 3);
3486 is16 = (prec == 16);
3488 width = (int)image->comps[0].w;
3489 height = (int)image->comps[0].h;
3491 red = image->comps[0].data;
3492 green = image->comps[1].data;
3493 blue = image->comps[2].data;
3495 sig_bit.red = sig_bit.green = sig_bit.blue = (png_byte)prec;
3499 sig_bit.alpha = (png_byte)prec;
3500 alpha = image->comps[3].data;
3501 color_type = PNG_COLOR_TYPE_RGB_ALPHA;
3502 adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0);
3506 sig_bit.alpha = 0; alpha = NULL;
3507 color_type = PNG_COLOR_TYPE_RGB;
3510 png_set_sBIT(png, info, &sig_bit);
3512 png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, prec,
3515 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
3517 png_set_gamma(png, 2.2, 1./2.2);
3518 png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
3519 /*=============================*/
3520 png_write_info(png, info);
3521 /*=============================*/
3524 png_set_packing(png);
3526 printf("%s:%d:sgnd(%d,%d,%d) w(%d) h(%d) alpha(%d)\n",__FILE__,__LINE__,
3527 image->comps[0].sgnd,
3528 image->comps[1].sgnd,image->comps[2].sgnd,width,height,has_alpha);
3530 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
3531 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
3532 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
3534 row_buf = (unsigned char*)malloc((size_t)width * (size_t)nr_comp * 2);
3536 for(y = 0; y < height; ++y)
3540 for(x = 0; x < width; ++x)
3544 v = *red + adjustR; ++red;
3545 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3547 if(force16) { v = (v<<ushift) + (v>>dshift); }
3549 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3551 v = *green + adjustG; ++green;
3552 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3554 if(force16) { v = (v<<ushift) + (v>>dshift); }
3556 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3558 v = *blue + adjustB; ++blue;
3559 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3561 if(force16) { v = (v<<ushift) + (v>>dshift); }
3563 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3567 v = *alpha + adjustA; ++alpha;
3568 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3570 if(force16) { v = (v<<ushift) + (v>>dshift); }
3572 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3577 v = *red + adjustR; ++red;
3578 if(v > 255) v = 255; else if(v < 0) v = 0;
3580 if(force8) { v = (v<<ushift) + (v>>dshift); }
3582 *d++ = (unsigned char)(v & mask);
3584 v = *green + adjustG; ++green;
3585 if(v > 255) v = 255; else if(v < 0) v = 0;
3587 if(force8) { v = (v<<ushift) + (v>>dshift); }
3589 *d++ = (unsigned char)(v & mask);
3591 v = *blue + adjustB; ++blue;
3592 if(v > 255) v = 255; else if(v < 0) v = 0;
3594 if(force8) { v = (v<<ushift) + (v>>dshift); }
3596 *d++ = (unsigned char)(v & mask);
3600 v = *alpha + adjustA; ++alpha;
3601 if(v > 255) v = 255; else if(v < 0) v = 0;
3603 if(force8) { v = (v<<ushift) + (v>>dshift); }
3605 *d++ = (unsigned char)(v & mask);
3609 png_write_row(png, row_buf);
3616 if(nr_comp == 1 /* GRAY */
3617 || ( nr_comp == 2 /* GRAY_ALPHA */
3618 && image->comps[0].dx == image->comps[1].dx
3619 && image->comps[0].dy == image->comps[1].dy
3620 && image->comps[0].prec == image->comps[1].prec))
3624 red = image->comps[0].data;
3626 sig_bit.gray = (png_byte)prec;
3627 sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0;
3628 alpha = NULL; adjustA = 0;
3629 color_type = PNG_COLOR_TYPE_GRAY;
3633 has_alpha = 1; sig_bit.alpha = (png_byte)prec;
3634 alpha = image->comps[1].data;
3635 color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
3636 adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
3638 width = (int)image->comps[0].w;
3639 height = (int)image->comps[0].h;
3641 png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, sig_bit.gray,
3644 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
3646 png_set_sBIT(png, info, &sig_bit);
3648 png_set_gamma(png, 2.2, 1./2.2);
3649 png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
3650 /*=============================*/
3651 png_write_info(png, info);
3652 /*=============================*/
3653 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
3657 png_set_packing(png);
3662 row_buf = (unsigned char*)
3663 malloc((size_t)width * (size_t)nr_comp * sizeof(unsigned short));
3665 for(y = 0; y < height; ++y)
3669 for(x = 0; x < width; ++x)
3671 v = *red + adjustR; ++red;
3672 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3674 if(force16) { v = (v<<ushift) + (v>>dshift); }
3676 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3681 if(v > 65535) v = 65535; else if(v < 0) v = 0;
3683 if(force16) { v = (v<<ushift) + (v>>dshift); }
3685 *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
3688 png_write_row(png, row_buf);
3693 else /* prec <= 8 */
3695 row_buf = (unsigned char*)calloc((size_t)width, (size_t)nr_comp * 2);
3697 for(y = 0; y < height; ++y)
3701 for(x = 0; x < width; ++x)
3703 v = *red + adjustR; ++red;
3704 if(v > 255) v = 255; else if(v < 0) v = 0;
3706 if(force8) { v = (v<<ushift) + (v>>dshift); }
3708 *d++ = (unsigned char)(v & mask);
3712 v = *alpha + adjustA; ++alpha;
3713 if(v > 255) v = 255; else if(v < 0) v = 0;
3715 if(force8) { v = (v<<ushift) + (v>>dshift); }
3717 *d++ = (unsigned char)(v & mask);
3721 png_write_row(png, row_buf);
3729 fprintf(stderr,"imagetopng: can not create %s\n",write_idf);
3732 png_write_end(png, info);
3740 png_destroy_write_struct(&png, &info);
3744 if(fails) remove(write_idf);
3748 #endif /* OPJ_HAVE_LIBPNG */