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"
50 * Get logarithm of an integer and round downwards.
54 static int int_floorlog2(int a)
57 for (l = 0; a > 1; l++) {
63 /* Component precision scaling */
64 void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
68 OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32) - 1);
70 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
72 umax = (1U << precision) - 1U;
75 if (component->sgnd) {
76 OPJ_INT32* l_data = component->data;
77 OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
78 OPJ_INT32 min = -max - 1;
79 for (i = 0; i < len; ++i) {
80 if (l_data[i] > max) {
82 } else if (l_data[i] < min) {
87 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
88 for (i = 0; i < len; ++i) {
89 if (l_data[i] > umax) {
94 component->prec = precision;
97 /* Component precision scaling */
98 static void scale_component_up(opj_image_comp_t* component,
103 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
104 if (component->sgnd) {
105 OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1));
106 OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1));
107 OPJ_INT32* l_data = component->data;
108 for (i = 0; i < len; ++i) {
109 l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax);
112 OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U);
113 OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U);
114 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
115 for (i = 0; i < len; ++i) {
116 l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax);
119 component->prec = precision;
120 component->bpp = precision;
122 void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
127 if (component->prec == precision) {
130 if (component->prec < precision) {
131 scale_component_up(component, precision);
134 shift = (int)(component->prec - precision);
135 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
136 if (component->sgnd) {
137 OPJ_INT32* l_data = component->data;
138 for (i = 0; i < len; ++i) {
142 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
143 for (i = 0; i < len; ++i) {
147 component->bpp = precision;
148 component->prec = precision;
152 /* planar / interleaved conversions */
153 /* used by PNG/TIFF */
154 static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
157 memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32));
159 static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
163 OPJ_INT32* pDst0 = pDst[0];
164 OPJ_INT32* pDst1 = pDst[1];
166 for (i = 0; i < length; i++) {
167 pDst0[i] = pSrc[2 * i + 0];
168 pDst1[i] = pSrc[2 * i + 1];
171 static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
175 OPJ_INT32* pDst0 = pDst[0];
176 OPJ_INT32* pDst1 = pDst[1];
177 OPJ_INT32* pDst2 = pDst[2];
179 for (i = 0; i < length; i++) {
180 pDst0[i] = pSrc[3 * i + 0];
181 pDst1[i] = pSrc[3 * i + 1];
182 pDst2[i] = pSrc[3 * i + 2];
185 static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
189 OPJ_INT32* pDst0 = pDst[0];
190 OPJ_INT32* pDst1 = pDst[1];
191 OPJ_INT32* pDst2 = pDst[2];
192 OPJ_INT32* pDst3 = pDst[3];
194 for (i = 0; i < length; i++) {
195 pDst0[i] = pSrc[4 * i + 0];
196 pDst1[i] = pSrc[4 * i + 1];
197 pDst2[i] = pSrc[4 * i + 2];
198 pDst3[i] = pSrc[4 * i + 3];
201 const convert_32s_CXPX convert_32s_CXPX_LUT[5] = {
209 static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
210 OPJ_SIZE_T length, OPJ_INT32 adjust)
213 const OPJ_INT32* pSrc0 = pSrc[0];
215 for (i = 0; i < length; i++) {
216 pDst[i] = pSrc0[i] + adjust;
219 static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
220 OPJ_SIZE_T length, OPJ_INT32 adjust)
223 const OPJ_INT32* pSrc0 = pSrc[0];
224 const OPJ_INT32* pSrc1 = pSrc[1];
226 for (i = 0; i < length; i++) {
227 pDst[2 * i + 0] = pSrc0[i] + adjust;
228 pDst[2 * i + 1] = pSrc1[i] + adjust;
231 static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
232 OPJ_SIZE_T length, OPJ_INT32 adjust)
235 const OPJ_INT32* pSrc0 = pSrc[0];
236 const OPJ_INT32* pSrc1 = pSrc[1];
237 const OPJ_INT32* pSrc2 = pSrc[2];
239 for (i = 0; i < length; i++) {
240 pDst[3 * i + 0] = pSrc0[i] + adjust;
241 pDst[3 * i + 1] = pSrc1[i] + adjust;
242 pDst[3 * i + 2] = pSrc2[i] + adjust;
245 static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
246 OPJ_SIZE_T length, OPJ_INT32 adjust)
249 const OPJ_INT32* pSrc0 = pSrc[0];
250 const OPJ_INT32* pSrc1 = pSrc[1];
251 const OPJ_INT32* pSrc2 = pSrc[2];
252 const OPJ_INT32* pSrc3 = pSrc[3];
254 for (i = 0; i < length; i++) {
255 pDst[4 * i + 0] = pSrc0[i] + adjust;
256 pDst[4 * i + 1] = pSrc1[i] + adjust;
257 pDst[4 * i + 2] = pSrc2[i] + adjust;
258 pDst[4 * i + 3] = pSrc3[i] + adjust;
261 const convert_32s_PXCX convert_32s_PXCX_LUT[5] = {
269 /* bit depth conversions */
270 /* used by PNG/TIFF up to 8bpp */
271 static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
275 for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) {
276 OPJ_UINT32 val = *pSrc++;
277 pDst[i + 0] = (OPJ_INT32)(val >> 7);
278 pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U);
279 pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U);
280 pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U);
281 pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U);
282 pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U);
283 pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U);
284 pDst[i + 7] = (OPJ_INT32)(val & 0x1U);
287 OPJ_UINT32 val = *pSrc++;
288 length = length & 7U;
289 pDst[i + 0] = (OPJ_INT32)(val >> 7);
292 pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U);
294 pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U);
296 pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U);
298 pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U);
300 pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U);
302 pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U);
311 static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
315 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
316 OPJ_UINT32 val = *pSrc++;
317 pDst[i + 0] = (OPJ_INT32)(val >> 6);
318 pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U);
319 pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U);
320 pDst[i + 3] = (OPJ_INT32)(val & 0x3U);
323 OPJ_UINT32 val = *pSrc++;
324 length = length & 3U;
325 pDst[i + 0] = (OPJ_INT32)(val >> 6);
328 pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U);
330 pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U);
336 static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
340 for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) {
341 OPJ_UINT32 val = *pSrc++;
342 pDst[i + 0] = (OPJ_INT32)(val >> 4);
343 pDst[i + 1] = (OPJ_INT32)(val & 0xFU);
346 OPJ_UINT8 val = *pSrc++;
347 pDst[i + 0] = (OPJ_INT32)(val >> 4);
350 static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
354 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
355 OPJ_UINT32 val0 = *pSrc++;
356 OPJ_UINT32 val1 = *pSrc++;
357 OPJ_UINT32 val2 = *pSrc++;
358 pDst[i + 0] = (OPJ_INT32)(val0 >> 2);
359 pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
360 pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
361 pDst[i + 3] = (OPJ_INT32)(val2 & 0x3FU);
365 OPJ_UINT32 val0 = *pSrc++;
366 length = length & 3U;
367 pDst[i + 0] = (OPJ_INT32)(val0 >> 2);
370 OPJ_UINT32 val1 = *pSrc++;
371 pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
373 OPJ_UINT32 val2 = *pSrc++;
374 pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
379 static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
383 for (i = 0; i < length; i++) {
387 const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = {
400 static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
404 for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) {
405 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
406 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
407 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
408 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
409 OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i + 4];
410 OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i + 5];
411 OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i + 6];
412 OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i + 7];
414 *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) |
415 (src4 << 3) | (src5 << 2) | (src6 << 1) | src7);
419 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
420 OPJ_UINT32 src1 = 0U;
421 OPJ_UINT32 src2 = 0U;
422 OPJ_UINT32 src3 = 0U;
423 OPJ_UINT32 src4 = 0U;
424 OPJ_UINT32 src5 = 0U;
425 OPJ_UINT32 src6 = 0U;
426 length = length & 7U;
429 src1 = (OPJ_UINT32)pSrc[i + 1];
431 src2 = (OPJ_UINT32)pSrc[i + 2];
433 src3 = (OPJ_UINT32)pSrc[i + 3];
435 src4 = (OPJ_UINT32)pSrc[i + 4];
437 src5 = (OPJ_UINT32)pSrc[i + 5];
439 src6 = (OPJ_UINT32)pSrc[i + 6];
446 *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) |
447 (src4 << 3) | (src5 << 2) | (src6 << 1));
451 static void convert_32s2u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
455 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
456 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
457 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
458 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
459 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
461 *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2) | src3);
465 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
466 OPJ_UINT32 src1 = 0U;
467 OPJ_UINT32 src2 = 0U;
468 length = length & 3U;
471 src1 = (OPJ_UINT32)pSrc[i + 1];
473 src2 = (OPJ_UINT32)pSrc[i + 2];
476 *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2));
480 static void convert_32s4u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
484 for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) {
485 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
486 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
488 *pDst++ = (OPJ_BYTE)((src0 << 4) | src1);
492 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
493 *pDst++ = (OPJ_BYTE)((src0 << 4));
497 static void convert_32s6u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
501 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
502 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
503 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
504 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
505 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
507 *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
508 *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
509 *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6) | src3);
513 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
514 OPJ_UINT32 src1 = 0U;
515 OPJ_UINT32 src2 = 0U;
516 length = length & 3U;
519 src1 = (OPJ_UINT32)pSrc[i + 1];
521 src2 = (OPJ_UINT32)pSrc[i + 2];
524 *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
526 *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
528 *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6));
533 static void convert_32s8u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
537 for (i = 0; i < length; ++i) {
538 pDst[i] = (OPJ_BYTE)pSrc[i];
541 const convert_32sXXx_C1R convert_32sXXu_C1R_LUT[9] = {
553 /* -->> -->> -->> -->>
557 <<-- <<-- <<-- <<-- */
559 #ifdef INFORMATION_ONLY
560 /* TGA header definition. */
562 unsigned char id_length; /* Image id field length */
563 unsigned char colour_map_type; /* Colour map type */
564 unsigned char image_type; /* Image type */
566 ** Colour map specification
568 unsigned short colour_map_index; /* First entry index */
569 unsigned short colour_map_length; /* Colour map length */
570 unsigned char colour_map_entry_size; /* Colour map entry size */
572 ** Image specification
574 unsigned short x_origin; /* x origin of image */
575 unsigned short y_origin; /* u origin of image */
576 unsigned short image_width; /* Image width */
577 unsigned short image_height; /* Image height */
578 unsigned char pixel_depth; /* Pixel depth */
579 unsigned char image_desc; /* Image descriptor */
581 #endif /* INFORMATION_ONLY */
583 static unsigned short get_ushort(const unsigned char *data)
585 unsigned short val = *(const unsigned short *)data;
586 #ifdef OPJ_BIG_ENDIAN
587 val = ((val & 0xffU) << 8) | (val >> 8);
592 #define TGA_HEADER_SIZE 18
594 static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
595 unsigned int *width, unsigned int *height, int *flip_image)
598 unsigned char tga[TGA_HEADER_SIZE];
599 unsigned char id_len, /*cmap_type,*/ image_type;
600 unsigned char pixel_depth, image_desc;
601 unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size;
602 unsigned short /*x_origin, y_origin,*/ image_w, image_h;
604 if (!bits_per_pixel || !width || !height || !flip_image) {
608 if (fread(tga, TGA_HEADER_SIZE, 1, fp) != 1) {
610 "\nError: fread return a number of element different from the expected.\n");
614 /*cmap_type = tga[1];*/
616 /*cmap_index = get_ushort(&tga[3]);*/
617 cmap_len = get_ushort(&tga[5]);
618 cmap_entry_size = tga[7];
622 x_origin = get_ushort(&tga[8]);
623 y_origin = get_ushort(&tga[10]);
625 image_w = get_ushort(&tga[12]);
626 image_h = get_ushort(&tga[14]);
627 pixel_depth = tga[16];
628 image_desc = tga[17];
630 *bits_per_pixel = (unsigned int)pixel_depth;
631 *width = (unsigned int)image_w;
632 *height = (unsigned int)image_h;
634 /* Ignore tga identifier, if present ... */
636 unsigned char *id = (unsigned char *) malloc(id_len);
638 fprintf(stderr, "tga_readheader: memory out\n");
641 if (!fread(id, id_len, 1, fp)) {
643 "\nError: fread return a number of element different from the expected.\n");
650 /* Test for compressed formats ... not yet supported ...
651 // Note :- 9 - RLE encoded palettized.
652 // 10 - RLE encoded RGB. */
653 if (image_type > 8) {
654 fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
658 *flip_image = !(image_desc & 32);
660 /* Palettized formats are not yet supported, skip over the palette, if present ... */
661 palette_size = cmap_len * (cmap_entry_size / 8);
663 if (palette_size > 0) {
664 fprintf(stderr, "File contains a palette - not yet supported.");
665 fseek(fp, palette_size, SEEK_CUR);
670 #ifdef OPJ_BIG_ENDIAN
672 static INLINE OPJ_UINT16 swap16(OPJ_UINT16 x)
674 return (OPJ_UINT16)(((x & 0x00ffU) << 8) | ((x & 0xff00U) >> 8));
679 static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
682 OPJ_UINT16 image_w, image_h, us0;
683 unsigned char uc0, image_type;
684 unsigned char pixel_depth, image_desc;
686 if (!bits_per_pixel || !width || !height) {
692 if (bits_per_pixel < 256) {
693 pixel_depth = (unsigned char)bits_per_pixel;
695 fprintf(stderr, "ERROR: Wrong bits per pixel inside tga_header");
700 if (fwrite(&uc0, 1, 1, fp) != 1) {
701 goto fails; /* id_length */
703 if (fwrite(&uc0, 1, 1, fp) != 1) {
704 goto fails; /* colour_map_type */
707 image_type = 2; /* Uncompressed. */
708 if (fwrite(&image_type, 1, 1, fp) != 1) {
713 if (fwrite(&us0, 2, 1, fp) != 1) {
714 goto fails; /* colour_map_index */
716 if (fwrite(&us0, 2, 1, fp) != 1) {
717 goto fails; /* colour_map_length */
719 if (fwrite(&uc0, 1, 1, fp) != 1) {
720 goto fails; /* colour_map_entry_size */
723 if (fwrite(&us0, 2, 1, fp) != 1) {
724 goto fails; /* x_origin */
726 if (fwrite(&us0, 2, 1, fp) != 1) {
727 goto fails; /* y_origin */
730 image_w = (unsigned short)width;
731 image_h = (unsigned short) height;
733 #ifndef OPJ_BIG_ENDIAN
734 if (fwrite(&image_w, 2, 1, fp) != 1) {
737 if (fwrite(&image_h, 2, 1, fp) != 1) {
741 image_w = swap16(image_w);
742 image_h = swap16(image_h);
743 if (fwrite(&image_w, 2, 1, fp) != 1) {
746 if (fwrite(&image_h, 2, 1, fp) != 1) {
751 if (fwrite(&pixel_depth, 1, 1, fp) != 1) {
755 image_desc = 8; /* 8 bits per component. */
760 if (fwrite(&image_desc, 1, 1, fp) != 1) {
767 fputs("\nwrite_tgaheader: write ERROR\n", stderr);
771 opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters)
775 unsigned int image_width, image_height, pixel_bit_depth;
778 opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
780 OPJ_COLOR_SPACE color_space;
783 int subsampling_dx, subsampling_dy;
786 f = fopen(filename, "rb");
788 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
792 if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height,
798 /* We currently only support 24 & 32 bit tga's ... */
799 if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) {
804 /* initialize image components */
805 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
807 mono = (pixel_bit_depth == 8) ||
808 (pixel_bit_depth == 16); /* Mono with & without alpha. */
809 save_alpha = (pixel_bit_depth == 16) ||
810 (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
813 color_space = OPJ_CLRSPC_GRAY;
814 numcomps = save_alpha ? 2 : 1;
816 numcomps = save_alpha ? 4 : 3;
817 color_space = OPJ_CLRSPC_SRGB;
820 subsampling_dx = parameters->subsampling_dx;
821 subsampling_dy = parameters->subsampling_dy;
823 for (i = 0; i < numcomps; i++) {
824 cmptparm[i].prec = 8;
826 cmptparm[i].sgnd = 0;
827 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
828 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
829 cmptparm[i].w = image_width;
830 cmptparm[i].h = image_height;
833 /* create the image */
834 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
842 /* set image offset and reference grid */
843 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
844 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
845 image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) *
846 (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) *
847 (OPJ_UINT32)subsampling_dx + 1;
848 image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) *
849 (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) *
850 (OPJ_UINT32)subsampling_dy + 1;
853 for (y = 0; y < image_height; y++) {
857 index = (int)((image_height - y - 1) * image_width);
859 index = (int)(y * image_width);
863 for (x = 0; x < image_width; x++) {
864 unsigned char r, g, b;
866 if (!fread(&b, 1, 1, f)) {
868 "\nError: fread return a number of element different from the expected.\n");
869 opj_image_destroy(image);
873 if (!fread(&g, 1, 1, f)) {
875 "\nError: fread return a number of element different from the expected.\n");
876 opj_image_destroy(image);
880 if (!fread(&r, 1, 1, f)) {
882 "\nError: fread return a number of element different from the expected.\n");
883 opj_image_destroy(image);
888 image->comps[0].data[index] = r;
889 image->comps[1].data[index] = g;
890 image->comps[2].data[index] = b;
893 } else if (numcomps == 4) {
894 for (x = 0; x < image_width; x++) {
895 unsigned char r, g, b, a;
896 if (!fread(&b, 1, 1, f)) {
898 "\nError: fread return a number of element different from the expected.\n");
899 opj_image_destroy(image);
903 if (!fread(&g, 1, 1, f)) {
905 "\nError: fread return a number of element different from the expected.\n");
906 opj_image_destroy(image);
910 if (!fread(&r, 1, 1, f)) {
912 "\nError: fread return a number of element different from the expected.\n");
913 opj_image_destroy(image);
917 if (!fread(&a, 1, 1, f)) {
919 "\nError: fread return a number of element different from the expected.\n");
920 opj_image_destroy(image);
925 image->comps[0].data[index] = r;
926 image->comps[1].data[index] = g;
927 image->comps[2].data[index] = b;
928 image->comps[3].data[index] = a;
932 fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
939 int imagetotga(opj_image_t * image, const char *outfile)
941 int width, height, bpp, x, y;
942 OPJ_BOOL write_alpha;
944 int adjustR, adjustG, adjustB, fails;
945 unsigned int alpha_channel;
953 fdest = fopen(outfile, "wb");
955 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
959 for (i = 0; i < image->numcomps - 1; i++) {
960 if ((image->comps[0].dx != image->comps[i + 1].dx)
961 || (image->comps[0].dy != image->comps[i + 1].dy)
962 || (image->comps[0].prec != image->comps[i + 1].prec)
963 || (image->comps[0].sgnd != image->comps[i + 1].sgnd)) {
966 "Unable to create a tga file with such J2K image charateristics.\n");
971 width = (int)image->comps[0].w;
972 height = (int)image->comps[0].h;
974 /* Mono with alpha, or RGB with alpha. */
975 write_alpha = (image->numcomps == 2) || (image->numcomps == 4);
977 /* Write TGA header */
978 bpp = write_alpha ? 32 : 24;
980 if (!tga_writeheader(fdest, bpp, width, height, OPJ_TRUE)) {
984 alpha_channel = image->numcomps - 1;
986 scale = 255.0f / (float)((1 << image->comps[0].prec) - 1);
988 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
989 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
990 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
992 for (y = 0; y < height; y++) {
993 unsigned int index = (unsigned int)(y * width);
995 for (x = 0; x < width; x++, index++) {
996 r = (float)(image->comps[0].data[index] + adjustR);
998 if (image->numcomps > 2) {
999 g = (float)(image->comps[1].data[index] + adjustG);
1000 b = (float)(image->comps[2].data[index] + adjustB);
1007 /* TGA format writes BGR ... */
1010 } else if (b < 0.) {
1013 value = (unsigned char)(b * scale);
1014 res = fwrite(&value, 1, 1, fdest);
1017 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
1022 } else if (g < 0.) {
1025 value = (unsigned char)(g * scale);
1026 res = fwrite(&value, 1, 1, fdest);
1029 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
1034 } else if (r < 0.) {
1037 value = (unsigned char)(r * scale);
1038 res = fwrite(&value, 1, 1, fdest);
1041 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
1046 a = (float)(image->comps[alpha_channel].data[index]);
1049 } else if (a < 0.) {
1052 value = (unsigned char)(a * scale);
1053 res = fwrite(&value, 1, 1, fdest);
1056 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
1069 /* -->> -->> -->> -->>
1073 <<-- <<-- <<-- <<-- */
1076 static unsigned char readuchar(FILE * f)
1079 if (!fread(&c1, 1, 1, f)) {
1081 "\nError: fread return a number of element different from the expected.\n");
1087 static unsigned short readushort(FILE * f, int bigendian)
1089 unsigned char c1, c2;
1090 if (!fread(&c1, 1, 1, f)) {
1092 "\nError: fread return a number of element different from the expected.\n");
1095 if (!fread(&c2, 1, 1, f)) {
1097 "\nError: fread return a number of element different from the expected.\n");
1101 return (unsigned short)((c1 << 8) + c2);
1103 return (unsigned short)((c2 << 8) + c1);
1107 static unsigned int readuint(FILE * f, int bigendian)
1109 unsigned char c1, c2, c3, c4;
1110 if (!fread(&c1, 1, 1, f)) {
1112 "\nError: fread return a number of element different from the expected.\n");
1115 if (!fread(&c2, 1, 1, f)) {
1117 "\nError: fread return a number of element different from the expected.\n");
1120 if (!fread(&c3, 1, 1, f)) {
1122 "\nError: fread return a number of element different from the expected.\n");
1125 if (!fread(&c4, 1, 1, f)) {
1127 "\nError: fread return a number of element different from the expected.\n");
1131 return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(
1134 return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(
1139 opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters)
1143 int i, numcomps, max;
1144 OPJ_COLOR_SPACE color_space;
1145 opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
1146 opj_image_t * image = NULL;
1147 int adjustS, ushift, dshift, force8;
1149 char endian1, endian2, sign;
1154 opj_image_comp_t *comp = NULL;
1157 color_space = OPJ_CLRSPC_GRAY;
1159 memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
1163 f = fopen(filename, "rb");
1165 fprintf(stderr, "Failed to open %s for reading !\n", filename);
1169 fseek(f, 0, SEEK_SET);
1170 if (fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d", temp, &endian1,
1171 &endian2, signtmp, &prec, temp, &w, temp, &h) != 9) {
1174 "ERROR: Failed to read the right number of element from the fscanf() function!\n");
1180 while (signtmp[i] != '\0') {
1181 if (signtmp[i] == '-') {
1188 if (endian1 == 'M' && endian2 == 'L') {
1190 } else if (endian2 == 'M' && endian1 == 'L') {
1194 fprintf(stderr, "Bad pgx header, please check input file\n");
1198 /* initialize image component */
1200 cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
1201 cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
1202 cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx +
1203 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx
1205 cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy +
1206 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy
1217 dshift = prec - ushift;
1218 if (cmptparm.sgnd) {
1219 adjustS = (1 << (prec - 1));
1226 ushift = dshift = force8 = adjustS = 0;
1229 cmptparm.prec = (OPJ_UINT32)prec;
1230 cmptparm.bpp = (OPJ_UINT32)prec;
1231 cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx;
1232 cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy;
1234 /* create the image */
1235 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space);
1240 /* set image offset and reference grid */
1241 image->x0 = cmptparm.x0;
1242 image->y0 = cmptparm.x0;
1243 image->x1 = cmptparm.w;
1244 image->y1 = cmptparm.h;
1246 /* set image data */
1248 comp = &image->comps[0];
1250 for (i = 0; i < w * h; i++) {
1253 v = readuchar(f) + adjustS;
1254 v = (v << ushift) + (v >> dshift);
1255 comp->data[i] = (unsigned char)v;
1263 if (comp->prec == 8) {
1267 v = (char) readuchar(f);
1269 } else if (comp->prec <= 16) {
1271 v = readushort(f, bigendian);
1273 v = (short) readushort(f, bigendian);
1277 v = (int)readuint(f, bigendian);
1279 v = (int) readuint(f, bigendian);
1288 comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1;
1293 #define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)
1295 static INLINE int clamp(const int value, const int prec, const int sgnd)
1299 return CLAMP(value, -128, 127);
1300 } else if (prec <= 16) {
1301 return CLAMP(value, -32768, 32767);
1303 return CLAMP(value, -2147483647 - 1, 2147483647);
1307 return CLAMP(value, 0, 255);
1308 } else if (prec <= 16) {
1309 return CLAMP(value, 0, 65535);
1311 return value; /*CLAMP(value,0,4294967295);*/
1316 int imagetopgx(opj_image_t * image, const char *outfile)
1319 int i, j, fails = 1;
1320 unsigned int compno;
1323 for (compno = 0; compno < image->numcomps; compno++) {
1324 opj_image_comp_t *comp = &image->comps[compno];
1325 char bname[256]; /* buffer for name */
1326 char *name = bname; /* pointer */
1329 const size_t olen = strlen(outfile);
1330 const size_t dotpos = olen - 4;
1331 const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
1333 if (outfile[dotpos] != '.') {
1334 /* `pgx` was recognized but there is no dot at expected position */
1335 fprintf(stderr, "ERROR -> Impossible happen.");
1339 name = (char*)malloc(total + 1);
1341 fprintf(stderr, "imagetopgx: memory out\n");
1345 strncpy(name, outfile, dotpos);
1346 sprintf(name + dotpos, "_%u.pgx", compno);
1347 fdest = fopen(name, "wb");
1348 /* don't need name anymore */
1352 fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1359 w = (int)image->comps[compno].w;
1360 h = (int)image->comps[compno].h;
1362 fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
1365 if (comp->prec <= 8) {
1367 } else if (comp->prec <= 16) {
1373 for (i = 0; i < w * h; i++) {
1374 /* FIXME: clamp func is being called within a loop */
1375 const int val = clamp(image->comps[compno].data[i],
1376 (int)comp->prec, (int)comp->sgnd);
1378 for (j = nbytes - 1; j >= 0; j--) {
1379 int v = (int)(val >> (j * 8));
1380 unsigned char byte = (unsigned char)v;
1381 res = fwrite(&byte, 1, 1, fdest);
1384 fprintf(stderr, "failed to write 1 byte for %s\n", name);
1407 /* -->> -->> -->> -->>
1411 <<-- <<-- <<-- <<-- */
1414 int width, height, maxval, depth, format;
1415 char rgb, rgba, gray, graya, bw;
1419 static char *skip_white(char *s)
1423 if (*s == '\n' || *s == '\r') {
1436 static char *skip_int(char *start, int *out_n)
1443 s = skip_white(start);
1457 *out_n = atoi(start);
1462 static char *skip_idf(char *start, char out_idf[256])
1467 s = skip_white(start);
1474 if (isalpha(*s) || *s == '_') {
1482 strncpy(out_idf, start, 255);
1487 static void read_pnm_header(FILE *reader, struct pnm_header *ph)
1489 int format, end, ttype;
1490 char idf[256], type[256];
1493 if (fgets(line, 250, reader) == NULL) {
1494 fprintf(stderr, "\nWARNING: fgets return a NULL value");
1498 if (line[0] != 'P') {
1499 fprintf(stderr, "read_pnm_header:PNM:magic P missing\n");
1502 format = atoi(line + 1);
1503 if (format < 1 || format > 7) {
1504 fprintf(stderr, "read_pnm_header:magic format %d invalid\n", format);
1507 ph->format = format;
1510 while (fgets(line, 250, reader)) {
1521 s = skip_idf(s, idf);
1523 if (s == NULL || *s == 0) {
1527 if (strcmp(idf, "ENDHDR") == 0) {
1531 if (strcmp(idf, "WIDTH") == 0) {
1532 s = skip_int(s, &ph->width);
1533 if (s == NULL || *s == 0) {
1539 if (strcmp(idf, "HEIGHT") == 0) {
1540 s = skip_int(s, &ph->height);
1541 if (s == NULL || *s == 0) {
1547 if (strcmp(idf, "DEPTH") == 0) {
1548 s = skip_int(s, &ph->depth);
1549 if (s == NULL || *s == 0) {
1555 if (strcmp(idf, "MAXVAL") == 0) {
1556 s = skip_int(s, &ph->maxval);
1557 if (s == NULL || *s == 0) {
1563 if (strcmp(idf, "TUPLTYPE") == 0) {
1564 s = skip_idf(s, type);
1565 if (s == NULL || *s == 0) {
1569 if (strcmp(type, "BLACKANDWHITE") == 0) {
1574 if (strcmp(type, "GRAYSCALE") == 0) {
1579 if (strcmp(type, "GRAYSCALE_ALPHA") == 0) {
1584 if (strcmp(type, "RGB") == 0) {
1589 if (strcmp(type, "RGB_ALPHA") == 0) {
1594 fprintf(stderr, "read_pnm_header:unknown P7 TUPLTYPE %s\n", type);
1597 fprintf(stderr, "read_pnm_header:unknown P7 idf %s\n", idf);
1599 } /* if(format == 7) */
1601 /* Here format is in range [1,6] */
1602 if (ph->width == 0) {
1603 s = skip_int(s, &ph->width);
1604 if ((s == NULL) || (*s == 0) || (ph->width < 1)) {
1609 if (ph->height == 0) {
1610 s = skip_int(s, &ph->height);
1611 if ((s == NULL) && allow_null) {
1614 if ((s == NULL) || (*s == 0) || (ph->height < 1)) {
1617 if (format == 1 || format == 4) {
1622 /* here, format is in P2, P3, P5, P6 */
1623 s = skip_int(s, &ph->maxval);
1624 if ((s == NULL) && allow_null) {
1627 if ((s == NULL) || (*s == 0)) {
1631 }/* while(fgets( ) */
1632 if (format == 2 || format == 3 || format > 4) {
1633 if (ph->maxval < 1 || ph->maxval > 65535) {
1637 if (ph->width < 1 || ph->height < 1) {
1643 fprintf(stderr, "read_pnm_header:P7 without ENDHDR\n");
1646 if (ph->depth < 1 || ph->depth > 4) {
1655 if (format == 1 || format == 4) {
1661 static int has_prec(int val)
1711 opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters)
1713 int subsampling_dx = parameters->subsampling_dx;
1714 int subsampling_dy = parameters->subsampling_dy;
1717 int i, compno, numcomps, w, h, prec, format;
1718 OPJ_COLOR_SPACE color_space;
1719 opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */
1720 opj_image_t * image = NULL;
1721 struct pnm_header header_info;
1723 if ((fp = fopen(filename, "rb")) == NULL) {
1724 fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n", filename);
1727 memset(&header_info, 0, sizeof(struct pnm_header));
1729 read_pnm_header(fp, &header_info);
1731 if (!header_info.ok) {
1736 /* This limitation could be removed by making sure to use size_t below */
1737 if (header_info.height != 0 &&
1738 header_info.width > INT_MAX / header_info.height) {
1739 fprintf(stderr, "pnmtoimage:Image %dx%d too big!\n",
1740 header_info.width, header_info.height);
1745 format = header_info.format;
1748 case 1: /* ascii bitmap */
1749 case 4: /* raw bitmap */
1753 case 2: /* ascii greymap */
1754 case 5: /* raw greymap */
1758 case 3: /* ascii pixmap */
1759 case 6: /* raw pixmap */
1763 case 7: /* arbitrary map */
1764 numcomps = header_info.depth;
1772 color_space = OPJ_CLRSPC_GRAY; /* GRAY, GRAYA */
1774 color_space = OPJ_CLRSPC_SRGB; /* RGB, RGBA */
1777 prec = has_prec(header_info.maxval);
1783 w = header_info.width;
1784 h = header_info.height;
1785 subsampling_dx = parameters->subsampling_dx;
1786 subsampling_dy = parameters->subsampling_dy;
1788 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
1790 for (i = 0; i < numcomps; i++) {
1791 cmptparm[i].prec = (OPJ_UINT32)prec;
1792 cmptparm[i].bpp = (OPJ_UINT32)prec;
1793 cmptparm[i].sgnd = 0;
1794 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
1795 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
1796 cmptparm[i].w = (OPJ_UINT32)w;
1797 cmptparm[i].h = (OPJ_UINT32)h;
1799 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
1806 /* set image offset and reference grid */
1807 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
1808 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
1809 image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx
1811 image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy
1814 if ((format == 2) || (format == 3)) { /* ascii pixmap */
1817 for (i = 0; i < w * h; i++) {
1818 for (compno = 0; compno < numcomps; compno++) {
1820 if (fscanf(fp, "%u", &index) != 1) {
1822 "\nWARNING: fscanf return a number of element different from the expected.\n");
1825 image->comps[compno].data[i] = (OPJ_INT32)(index * 255) / header_info.maxval;
1828 } else if ((format == 5)
1831 && (header_info.gray || header_info.graya
1832 || header_info.rgb || header_info.rgba))) { /* binary pixmap */
1833 unsigned char c0, c1, one;
1837 for (i = 0; i < w * h; i++) {
1838 for (compno = 0; compno < numcomps; compno++) {
1839 if (!fread(&c0, 1, 1, fp)) {
1841 "\nError: fread return a number of element different from the expected.\n");
1842 opj_image_destroy(image);
1847 image->comps[compno].data[i] = c0;
1849 if (!fread(&c1, 1, 1, fp)) {
1851 "\nError: fread return a number of element different from the expected.\n");
1854 image->comps[compno].data[i] = ((c0 << 8) | c1);
1858 } else if (format == 1) { /* ascii bitmap */
1859 for (i = 0; i < w * h; i++) {
1862 if (fscanf(fp, "%u", &index) != 1) {
1864 "\nWARNING: fscanf return a number of element different from the expected.\n");
1867 image->comps[0].data[i] = (index ? 0 : 255);
1869 } else if (format == 4) {
1874 for (y = 0; y < h; ++y) {
1878 for (x = 0; x < w; ++x) {
1881 uc = (unsigned char)getc(fp);
1883 image->comps[0].data[i] = (((uc >> bit) & 1) ? 0 : 255);
1888 } else if ((format == 7 && header_info.bw)) { /*MONO*/
1891 for (i = 0; i < w * h; ++i) {
1892 if (!fread(&uc, 1, 1, fp)) {
1894 "\nError: fread return a number of element different from the expected.\n");
1896 image->comps[0].data[i] = (uc & 1) ? 0 : 255;
1904 static int are_comps_similar(opj_image_t * image)
1907 for (i = 1; i < image->numcomps; i++) {
1908 if (image->comps[0].dx != image->comps[i].dx ||
1909 image->comps[0].dy != image->comps[i].dy ||
1911 (image->comps[0].prec != image->comps[i].prec ||
1912 image->comps[0].sgnd != image->comps[i].sgnd))) {
1920 int imagetopnm(opj_image_t * image, const char *outfile, int force_split)
1922 int *red, *green, *blue, *alpha;
1925 unsigned int compno, ncomp;
1926 int adjustR, adjustG, adjustB, adjustA;
1927 int fails, two, want_gray, has_alpha, triple;
1930 const char *tmp = outfile;
1935 if ((prec = (int)image->comps[0].prec) > 16) {
1936 fprintf(stderr, "%s:%d:imagetopnm\n\tprecision %d is larger than 16"
1937 "\n\t: refused.\n", __FILE__, __LINE__, prec);
1940 two = has_alpha = 0;
1942 ncomp = image->numcomps;
1948 want_gray = (*tmp == 'g' || *tmp == 'G');
1949 ncomp = image->numcomps;
1955 if ((force_split == 0) && ncomp >= 2 &&
1956 are_comps_similar(image)) {
1957 fdest = fopen(outfile, "wb");
1960 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1964 triple = (ncomp > 2);
1965 wr = (int)image->comps[0].w;
1966 hr = (int)image->comps[0].h;
1967 max = (1 << prec) - 1;
1968 has_alpha = (ncomp == 4 || ncomp == 2);
1970 red = image->comps[0].data;
1973 green = image->comps[1].data;
1974 blue = image->comps[2].data;
1976 green = blue = NULL;
1980 const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA");
1982 fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %u\n"
1983 "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
1984 wr, hr, ncomp, max, tt);
1985 alpha = image->comps[ncomp - 1].data;
1986 adjustA = (image->comps[ncomp - 1].sgnd ?
1987 1 << (image->comps[ncomp - 1].prec - 1) : 0);
1989 fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
1990 opj_version(), wr, hr, max);
1993 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1996 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
1997 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
1999 adjustG = adjustB = 0;
2002 for (i = 0; i < wr * hr; ++i) {
2013 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2016 v = *green + adjustG;
2025 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2027 v = *blue + adjustB;
2036 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2041 v = *alpha + adjustA;
2050 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2064 fprintf(fdest, "%c", (unsigned char)v);
2073 fprintf(fdest, "%c", (unsigned char)v);
2081 fprintf(fdest, "%c", (unsigned char)v);
2091 fprintf(fdest, "%c", (unsigned char)v);
2101 if (image->numcomps > ncomp) {
2102 fprintf(stderr, "WARNING -> [PGM file] Only the first component\n");
2103 fprintf(stderr, " is written to the file\n");
2105 destname = (char*)malloc(strlen(outfile) + 8);
2106 if (destname == NULL) {
2107 fprintf(stderr, "imagetopnm: memory out\n");
2110 for (compno = 0; compno < ncomp; compno++) {
2112 /*sprintf(destname, "%d.%s", compno, outfile);*/
2113 const size_t olen = strlen(outfile);
2114 const size_t dotpos = olen - 4;
2116 strncpy(destname, outfile, dotpos);
2117 sprintf(destname + dotpos, "_%u.pgm", compno);
2119 sprintf(destname, "%s", outfile);
2122 fdest = fopen(destname, "wb");
2124 fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
2128 wr = (int)image->comps[compno].w;
2129 hr = (int)image->comps[compno].h;
2130 prec = (int)image->comps[compno].prec;
2131 max = (1 << prec) - 1;
2133 fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
2134 opj_version(), wr, hr, max);
2136 red = image->comps[compno].data;
2138 (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
2141 for (i = 0; i < wr * hr; i++) {
2151 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2162 fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
2165 } else { /* prec <= 8 */
2166 for (i = 0; i < wr * hr; ++i) {
2175 fprintf(fdest, "%c", (unsigned char)v);
2185 /* -->> -->> -->> -->>
2189 <<-- <<-- <<-- <<-- */
2190 static opj_image_t* rawtoimage_common(const char *filename,
2191 opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian)
2193 int subsampling_dx = parameters->subsampling_dx;
2194 int subsampling_dy = parameters->subsampling_dy;
2197 int i, compno, numcomps, w, h;
2198 OPJ_COLOR_SPACE color_space;
2199 opj_image_cmptparm_t *cmptparm;
2200 opj_image_t * image = NULL;
2203 if ((!(raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp &
2204 raw_cp->rawBitDepth)) == 0) {
2205 fprintf(stderr, "\nError: invalid raw image parameters\n");
2206 fprintf(stderr, "Please use the Format option -F:\n");
2208 "-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
2210 "If subsampling is omitted, 1x1 is assumed for all components\n");
2212 "Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
2213 fprintf(stderr, " for raw 512x512 image with 4:2:0 subsampling\n");
2214 fprintf(stderr, "Aborting.\n");
2218 f = fopen(filename, "rb");
2220 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
2221 fprintf(stderr, "Aborting\n");
2224 numcomps = raw_cp->rawComp;
2226 /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
2227 if (numcomps == 1) {
2228 color_space = OPJ_CLRSPC_GRAY;
2229 } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
2230 color_space = OPJ_CLRSPC_SYCC;
2231 } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) {
2232 color_space = OPJ_CLRSPC_SRGB;
2234 color_space = OPJ_CLRSPC_UNKNOWN;
2236 w = raw_cp->rawWidth;
2237 h = raw_cp->rawHeight;
2238 cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps,
2239 sizeof(opj_image_cmptparm_t));
2241 fprintf(stderr, "Failed to allocate image components parameters !!\n");
2242 fprintf(stderr, "Aborting\n");
2246 /* initialize image components */
2247 for (i = 0; i < numcomps; i++) {
2248 cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
2249 cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
2250 cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
2251 cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx);
2252 cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy);
2253 cmptparm[i].w = (OPJ_UINT32)w;
2254 cmptparm[i].h = (OPJ_UINT32)h;
2256 /* create the image */
2257 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2263 /* set image offset and reference grid */
2264 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2265 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2266 image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) *
2267 (OPJ_UINT32)subsampling_dx + 1;
2268 image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) *
2269 (OPJ_UINT32)subsampling_dy + 1;
2271 if (raw_cp->rawBitDepth <= 8) {
2272 unsigned char value = 0;
2273 for (compno = 0; compno < numcomps; compno++) {
2274 int nloop = (w * h) / (raw_cp->rawComps[compno].dx *
2275 raw_cp->rawComps[compno].dy);
2276 for (i = 0; i < nloop; i++) {
2277 if (!fread(&value, 1, 1, f)) {
2278 fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
2279 opj_image_destroy(image);
2283 image->comps[compno].data[i] = raw_cp->rawSigned ? (char)value : value;
2286 } else if (raw_cp->rawBitDepth <= 16) {
2287 unsigned short value;
2288 for (compno = 0; compno < numcomps; compno++) {
2289 int nloop = (w * h) / (raw_cp->rawComps[compno].dx *
2290 raw_cp->rawComps[compno].dy);
2291 for (i = 0; i < nloop; i++) {
2292 unsigned char temp1;
2293 unsigned char temp2;
2294 if (!fread(&temp1, 1, 1, f)) {
2295 fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
2296 opj_image_destroy(image);
2300 if (!fread(&temp2, 1, 1, f)) {
2301 fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
2302 opj_image_destroy(image);
2307 value = (unsigned short)((temp1 << 8) + temp2);
2309 value = (unsigned short)((temp2 << 8) + temp1);
2311 image->comps[compno].data[i] = raw_cp->rawSigned ? (short)value : value;
2316 "OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
2317 opj_image_destroy(image);
2322 if (fread(&ch, 1, 1, f)) {
2323 fprintf(stderr, "Warning. End of raw file not reached... processing anyway\n");
2330 opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters,
2331 raw_cparameters_t *raw_cp)
2333 return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
2336 opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters,
2337 raw_cparameters_t *raw_cp)
2339 return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
2342 static int imagetoraw_common(opj_image_t * image, const char *outfile,
2343 OPJ_BOOL big_endian)
2345 FILE *rawFile = NULL;
2347 unsigned int compno, numcomps;
2349 int line, row, curr, mask;
2354 if ((image->numcomps * image->x1 * image->y1) == 0) {
2355 fprintf(stderr, "\nError: invalid raw image parameters\n");
2359 numcomps = image->numcomps;
2365 for (compno = 1; compno < numcomps; ++compno) {
2366 if (image->comps[0].dx != image->comps[compno].dx) {
2369 if (image->comps[0].dy != image->comps[compno].dy) {
2372 if (image->comps[0].prec != image->comps[compno].prec) {
2375 if (image->comps[0].sgnd != image->comps[compno].sgnd) {
2379 if (compno != numcomps) {
2381 "imagetoraw_common: All components shall have the same subsampling, same bit depth, same sign.\n");
2382 fprintf(stderr, "\tAborting\n");
2386 rawFile = fopen(outfile, "wb");
2388 fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
2393 fprintf(stdout, "Raw image characteristics: %d components\n", image->numcomps);
2395 for (compno = 0; compno < image->numcomps; compno++) {
2396 fprintf(stdout, "Component %u characteristics: %dx%dx%d %s\n", compno,
2397 image->comps[compno].w,
2398 image->comps[compno].h, image->comps[compno].prec,
2399 image->comps[compno].sgnd == 1 ? "signed" : "unsigned");
2401 w = (int)image->comps[compno].w;
2402 h = (int)image->comps[compno].h;
2404 if (image->comps[compno].prec <= 8) {
2405 if (image->comps[compno].sgnd == 1) {
2406 mask = (1 << image->comps[compno].prec) - 1;
2407 ptr = image->comps[compno].data;
2408 for (line = 0; line < h; line++) {
2409 for (row = 0; row < w; row++) {
2413 } else if (curr < -128) {
2416 uc = (unsigned char)(curr & mask);
2417 res = fwrite(&uc, 1, 1, rawFile);
2419 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
2425 } else if (image->comps[compno].sgnd == 0) {
2426 mask = (1 << image->comps[compno].prec) - 1;
2427 ptr = image->comps[compno].data;
2428 for (line = 0; line < h; line++) {
2429 for (row = 0; row < w; row++) {
2433 } else if (curr < 0) {
2436 uc = (unsigned char)(curr & mask);
2437 res = fwrite(&uc, 1, 1, rawFile);
2439 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
2446 } else if (image->comps[compno].prec <= 16) {
2447 if (image->comps[compno].sgnd == 1) {
2450 signed char vals[2];
2452 mask = (1 << image->comps[compno].prec) - 1;
2453 ptr = image->comps[compno].data;
2454 for (line = 0; line < h; line++) {
2455 for (row = 0; row < w; row++) {
2459 } else if (curr < -32768) {
2462 uc16.val = (signed short)(curr & mask);
2463 res = fwrite(uc16.vals, 1, 2, rawFile);
2465 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
2471 } else if (image->comps[compno].sgnd == 0) {
2474 unsigned char vals[2];
2476 mask = (1 << image->comps[compno].prec) - 1;
2477 ptr = image->comps[compno].data;
2478 for (line = 0; line < h; line++) {
2479 for (row = 0; row < w; row++) {
2483 } else if (curr < 0) {
2486 uc16.val = (unsigned short)(curr & mask);
2487 res = fwrite(uc16.vals, 1, 2, rawFile);
2489 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
2496 } else if (image->comps[compno].prec <= 32) {
2497 fprintf(stderr, "More than 16 bits per component not handled yet\n");
2500 fprintf(stderr, "Error: invalid precision: %d\n", image->comps[compno].prec);
2510 int imagetoraw(opj_image_t * image, const char *outfile)
2512 return imagetoraw_common(image, outfile, OPJ_TRUE);
2515 int imagetorawl(opj_image_t * image, const char *outfile)
2517 return imagetoraw_common(image, outfile, OPJ_FALSE);