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"
49 * Get logarithm of an integer and round downwards.
53 static int int_floorlog2(int a) {
55 for (l = 0; a > 1; l++) {
61 /* Component precision scaling */
62 void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
66 OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32)-1);
68 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
70 umax = (1U << precision) - 1U;
73 if (component->sgnd) {
74 OPJ_INT32* l_data = component->data;
75 OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
76 OPJ_INT32 min = -max - 1;
77 for (i = 0; i < len; ++i) {
78 if (l_data[i] > max) {
80 } else if (l_data[i] < min) {
85 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
86 for (i = 0; i < len; ++i) {
87 if (l_data[i] > umax) {
92 component->prec = precision;
95 /* Component precision scaling */
96 static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision)
100 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
101 if (component->sgnd) {
102 OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1));
103 OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1));
104 OPJ_INT32* l_data = component->data;
105 for (i = 0; i < len; ++i) {
106 l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax);
109 OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U);
110 OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U);
111 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
112 for (i = 0; i < len; ++i) {
113 l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax);
116 component->prec = precision;
117 component->bpp = precision;
119 void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
124 if (component->prec == precision) {
127 if (component->prec < precision) {
128 scale_component_up(component, precision);
131 shift = (int)(component->prec - precision);
132 len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
133 if (component->sgnd) {
134 OPJ_INT32* l_data = component->data;
135 for (i = 0; i < len; ++i) {
139 OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
140 for (i = 0; i < len; ++i) {
144 component->bpp = precision;
145 component->prec = precision;
149 /* planar / interleaved conversions */
150 /* used by PNG/TIFF */
151 static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
153 memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32));
155 static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
158 OPJ_INT32* pDst0 = pDst[0];
159 OPJ_INT32* pDst1 = pDst[1];
161 for (i = 0; i < length; i++) {
162 pDst0[i] = pSrc[2*i+0];
163 pDst1[i] = pSrc[2*i+1];
166 static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
169 OPJ_INT32* pDst0 = pDst[0];
170 OPJ_INT32* pDst1 = pDst[1];
171 OPJ_INT32* pDst2 = pDst[2];
173 for (i = 0; i < length; i++) {
174 pDst0[i] = pSrc[3*i+0];
175 pDst1[i] = pSrc[3*i+1];
176 pDst2[i] = pSrc[3*i+2];
179 static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
182 OPJ_INT32* pDst0 = pDst[0];
183 OPJ_INT32* pDst1 = pDst[1];
184 OPJ_INT32* pDst2 = pDst[2];
185 OPJ_INT32* pDst3 = pDst[3];
187 for (i = 0; i < length; i++) {
188 pDst0[i] = pSrc[4*i+0];
189 pDst1[i] = pSrc[4*i+1];
190 pDst2[i] = pSrc[4*i+2];
191 pDst3[i] = pSrc[4*i+3];
194 const convert_32s_CXPX convert_32s_CXPX_LUT[5] = {
202 static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
205 const OPJ_INT32* pSrc0 = pSrc[0];
207 for (i = 0; i < length; i++) {
208 pDst[i] = pSrc0[i] + adjust;
211 static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
214 const OPJ_INT32* pSrc0 = pSrc[0];
215 const OPJ_INT32* pSrc1 = pSrc[1];
217 for (i = 0; i < length; i++) {
218 pDst[2*i+0] = pSrc0[i] + adjust;
219 pDst[2*i+1] = pSrc1[i] + adjust;
222 static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
225 const OPJ_INT32* pSrc0 = pSrc[0];
226 const OPJ_INT32* pSrc1 = pSrc[1];
227 const OPJ_INT32* pSrc2 = pSrc[2];
229 for (i = 0; i < length; i++) {
230 pDst[3*i+0] = pSrc0[i] + adjust;
231 pDst[3*i+1] = pSrc1[i] + adjust;
232 pDst[3*i+2] = pSrc2[i] + adjust;
235 static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
238 const OPJ_INT32* pSrc0 = pSrc[0];
239 const OPJ_INT32* pSrc1 = pSrc[1];
240 const OPJ_INT32* pSrc2 = pSrc[2];
241 const OPJ_INT32* pSrc3 = pSrc[3];
243 for (i = 0; i < length; i++) {
244 pDst[4*i+0] = pSrc0[i] + adjust;
245 pDst[4*i+1] = pSrc1[i] + adjust;
246 pDst[4*i+2] = pSrc2[i] + adjust;
247 pDst[4*i+3] = pSrc3[i] + adjust;
250 const convert_32s_PXCX convert_32s_PXCX_LUT[5] = {
258 /* bit depth conversions */
259 /* used by PNG/TIFF up to 8bpp */
260 static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
263 for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
264 OPJ_UINT32 val = *pSrc++;
265 pDst[i+0] = (OPJ_INT32)( val >> 7);
266 pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
267 pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
268 pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
269 pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
270 pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
271 pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
272 pDst[i+7] = (OPJ_INT32)(val & 0x1U);
275 OPJ_UINT32 val = *pSrc++;
276 length = length & 7U;
277 pDst[i+0] = (OPJ_INT32)(val >> 7);
280 pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
282 pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
284 pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
286 pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
288 pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
290 pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
299 static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
302 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
303 OPJ_UINT32 val = *pSrc++;
304 pDst[i+0] = (OPJ_INT32)( val >> 6);
305 pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
306 pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
307 pDst[i+3] = (OPJ_INT32)(val & 0x3U);
310 OPJ_UINT32 val = *pSrc++;
311 length = length & 3U;
312 pDst[i+0] = (OPJ_INT32)(val >> 6);
315 pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
317 pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
323 static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
326 for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i+=2U) {
327 OPJ_UINT32 val = *pSrc++;
328 pDst[i+0] = (OPJ_INT32)(val >> 4);
329 pDst[i+1] = (OPJ_INT32)(val & 0xFU);
332 OPJ_UINT8 val = *pSrc++;
333 pDst[i+0] = (OPJ_INT32)(val >> 4);
336 static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
339 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
340 OPJ_UINT32 val0 = *pSrc++;
341 OPJ_UINT32 val1 = *pSrc++;
342 OPJ_UINT32 val2 = *pSrc++;
343 pDst[i+0] = (OPJ_INT32)(val0 >> 2);
344 pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
345 pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
346 pDst[i+3] = (OPJ_INT32)(val2 & 0x3FU);
350 OPJ_UINT32 val0 = *pSrc++;
351 length = length & 3U;
352 pDst[i+0] = (OPJ_INT32)(val0 >> 2);
355 OPJ_UINT32 val1 = *pSrc++;
356 pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
358 OPJ_UINT32 val2 = *pSrc++;
359 pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
364 static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
367 for (i = 0; i < length; i++) {
371 const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = {
384 static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
387 for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
388 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
389 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
390 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
391 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
392 OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i+4];
393 OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i+5];
394 OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i+6];
395 OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i+7];
397 *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1) | src7);
401 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
402 OPJ_UINT32 src1 = 0U;
403 OPJ_UINT32 src2 = 0U;
404 OPJ_UINT32 src3 = 0U;
405 OPJ_UINT32 src4 = 0U;
406 OPJ_UINT32 src5 = 0U;
407 OPJ_UINT32 src6 = 0U;
408 length = length & 7U;
411 src1 = (OPJ_UINT32)pSrc[i+1];
413 src2 = (OPJ_UINT32)pSrc[i+2];
415 src3 = (OPJ_UINT32)pSrc[i+3];
417 src4 = (OPJ_UINT32)pSrc[i+4];
419 src5 = (OPJ_UINT32)pSrc[i+5];
421 src6 = (OPJ_UINT32)pSrc[i+6];
428 *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1));
432 static void convert_32s2u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
435 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
436 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
437 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
438 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
439 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
441 *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2) | src3);
445 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
446 OPJ_UINT32 src1 = 0U;
447 OPJ_UINT32 src2 = 0U;
448 length = length & 3U;
451 src1 = (OPJ_UINT32)pSrc[i+1];
453 src2 = (OPJ_UINT32)pSrc[i+2];
456 *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2));
460 static void convert_32s4u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
463 for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i+=2U) {
464 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
465 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
467 *pDst++ = (OPJ_BYTE)((src0 << 4) | src1);
471 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
472 *pDst++ = (OPJ_BYTE)((src0 << 4));
476 static void convert_32s6u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
479 for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
480 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
481 OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
482 OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
483 OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
485 *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
486 *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
487 *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6) | src3);
491 OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
492 OPJ_UINT32 src1 = 0U;
493 OPJ_UINT32 src2 = 0U;
494 length = length & 3U;
497 src1 = (OPJ_UINT32)pSrc[i+1];
499 src2 = (OPJ_UINT32)pSrc[i+2];
502 *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
504 *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
506 *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6));
511 static void convert_32s8u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
514 for (i = 0; i < length; ++i) {
515 pDst[i] = (OPJ_BYTE)pSrc[i];
518 const convert_32sXXx_C1R convert_32sXXu_C1R_LUT[9] = {
530 /* -->> -->> -->> -->>
534 <<-- <<-- <<-- <<-- */
536 #ifdef INFORMATION_ONLY
537 /* TGA header definition. */
540 unsigned char id_length; /* Image id field length */
541 unsigned char colour_map_type; /* Colour map type */
542 unsigned char image_type; /* Image type */
544 ** Colour map specification
546 unsigned short colour_map_index; /* First entry index */
547 unsigned short colour_map_length; /* Colour map length */
548 unsigned char colour_map_entry_size; /* Colour map entry size */
550 ** Image specification
552 unsigned short x_origin; /* x origin of image */
553 unsigned short y_origin; /* u origin of image */
554 unsigned short image_width; /* Image width */
555 unsigned short image_height; /* Image height */
556 unsigned char pixel_depth; /* Pixel depth */
557 unsigned char image_desc; /* Image descriptor */
559 #endif /* INFORMATION_ONLY */
561 static unsigned short get_ushort(unsigned short val) {
563 #ifdef OPJ_BIG_ENDIAN
564 return (unsigned short)(((val & 0xffU) << 8) | (val >> 8));
571 #define TGA_HEADER_SIZE 18
573 static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
574 unsigned int *width, unsigned int *height, int *flip_image)
577 unsigned char tga[TGA_HEADER_SIZE];
578 unsigned char id_len, /*cmap_type,*/ image_type;
579 unsigned char pixel_depth, image_desc;
580 unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size;
581 unsigned short /*x_origin, y_origin,*/ image_w, image_h;
583 if (!bits_per_pixel || !width || !height || !flip_image)
586 if ( fread(tga, TGA_HEADER_SIZE, 1, fp) != 1 )
588 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
591 id_len = (unsigned char)tga[0];
592 /*cmap_type = (unsigned char)tga[1];*/
593 image_type = (unsigned char)tga[2];
594 /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/
595 cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
596 cmap_entry_size = (unsigned char)tga[7];
600 x_origin = get_ushort(*(unsigned short*)(&tga[8]));
601 y_origin = get_ushort(*(unsigned short*)(&tga[10]));
603 image_w = get_ushort(*(unsigned short*)(&tga[12]));
604 image_h = get_ushort(*(unsigned short*)(&tga[14]));
605 pixel_depth = (unsigned char)tga[16];
606 image_desc = (unsigned char)tga[17];
608 *bits_per_pixel = (unsigned int)pixel_depth;
609 *width = (unsigned int)image_w;
610 *height = (unsigned int)image_h;
612 /* Ignore tga identifier, if present ... */
615 unsigned char *id = (unsigned char *) malloc(id_len);
616 if ( !fread(id, id_len, 1, fp) )
618 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
625 /* Test for compressed formats ... not yet supported ...
626 // Note :- 9 - RLE encoded palettized.
627 // 10 - RLE encoded RGB. */
630 fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
634 *flip_image = !(image_desc & 32);
636 /* Palettized formats are not yet supported, skip over the palette, if present ... */
637 palette_size = cmap_len * (cmap_entry_size/8);
641 fprintf(stderr, "File contains a palette - not yet supported.");
642 fseek(fp, palette_size, SEEK_CUR);
647 #ifdef OPJ_BIG_ENDIAN
649 static INLINE OPJ_UINT16 swap16(OPJ_UINT16 x)
651 return (OPJ_UINT16)(((x & 0x00ffU) << 8) | ((x & 0xff00U) >> 8));
656 static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
659 OPJ_UINT16 image_w, image_h, us0;
660 unsigned char uc0, image_type;
661 unsigned char pixel_depth, image_desc;
663 if (!bits_per_pixel || !width || !height)
668 if ( bits_per_pixel < 256 )
669 pixel_depth = (unsigned char)bits_per_pixel;
671 fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
676 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
677 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */
679 image_type = 2; /* Uncompressed. */
680 if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;
683 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
684 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
685 if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */
687 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
688 if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */
690 image_w = (unsigned short)width;
691 image_h = (unsigned short) height;
693 #ifndef OPJ_BIG_ENDIAN
694 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
695 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
697 image_w = swap16(image_w);
698 image_h = swap16(image_h);
699 if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
700 if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
703 if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;
705 image_desc = 8; /* 8 bits per component. */
709 if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;
714 fputs("\nwrite_tgaheader: write ERROR\n", stderr);
718 opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
721 unsigned int image_width, image_height, pixel_bit_depth;
724 opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
726 OPJ_COLOR_SPACE color_space;
729 int subsampling_dx, subsampling_dy;
732 f = fopen(filename, "rb");
734 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
738 if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image)) {
743 /* We currently only support 24 & 32 bit tga's ... */
744 if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) {
749 /* initialize image components */
750 memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
752 mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */
753 save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
756 color_space = OPJ_CLRSPC_GRAY;
757 numcomps = save_alpha ? 2 : 1;
760 numcomps = save_alpha ? 4 : 3;
761 color_space = OPJ_CLRSPC_SRGB;
764 subsampling_dx = parameters->subsampling_dx;
765 subsampling_dy = parameters->subsampling_dy;
767 for (i = 0; i < numcomps; i++) {
768 cmptparm[i].prec = 8;
770 cmptparm[i].sgnd = 0;
771 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
772 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
773 cmptparm[i].w = image_width;
774 cmptparm[i].h = image_height;
777 /* create the image */
778 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
786 /* set image offset and reference grid */
787 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
788 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
789 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;
790 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;
793 for (y=0; y < image_height; y++)
798 index = (int)((image_height-y-1)*image_width);
800 index = (int)(y*image_width);
804 for (x=0;x<image_width;x++)
808 if( !fread(&b, 1, 1, f) )
810 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
811 opj_image_destroy(image);
815 if ( !fread(&g, 1, 1, f) )
817 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
818 opj_image_destroy(image);
822 if ( !fread(&r, 1, 1, f) )
824 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
825 opj_image_destroy(image);
830 image->comps[0].data[index]=r;
831 image->comps[1].data[index]=g;
832 image->comps[2].data[index]=b;
836 else if (numcomps==4)
838 for (x=0;x<image_width;x++)
840 unsigned char r,g,b,a;
841 if ( !fread(&b, 1, 1, f) )
843 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
844 opj_image_destroy(image);
848 if ( !fread(&g, 1, 1, f) )
850 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
851 opj_image_destroy(image);
855 if ( !fread(&r, 1, 1, f) )
857 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
858 opj_image_destroy(image);
862 if ( !fread(&a, 1, 1, f) )
864 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
865 opj_image_destroy(image);
870 image->comps[0].data[index]=r;
871 image->comps[1].data[index]=g;
872 image->comps[2].data[index]=b;
873 image->comps[3].data[index]=a;
878 fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
885 int imagetotga(opj_image_t * image, const char *outfile) {
886 int width, height, bpp, x, y;
887 OPJ_BOOL write_alpha;
889 int adjustR, adjustG, adjustB, fails;
890 unsigned int alpha_channel;
898 fdest = fopen(outfile, "wb");
900 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
904 for (i = 0; i < image->numcomps-1; i++) {
905 if ((image->comps[0].dx != image->comps[i+1].dx)
906 ||(image->comps[0].dy != image->comps[i+1].dy)
907 ||(image->comps[0].prec != image->comps[i+1].prec)) {
909 fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
914 width = (int)image->comps[0].w;
915 height = (int)image->comps[0].h;
917 /* Mono with alpha, or RGB with alpha. */
918 write_alpha = (image->numcomps==2) || (image->numcomps==4);
920 /* Write TGA header */
921 bpp = write_alpha ? 32 : 24;
923 if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
926 alpha_channel = image->numcomps-1;
928 scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
930 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
931 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
932 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
934 for (y=0; y < height; y++)
936 unsigned int index= (unsigned int)(y*width);
938 for (x=0; x < width; x++, index++)
940 r = (float)(image->comps[0].data[index] + adjustR);
942 if (image->numcomps > 2)
944 g = (float)(image->comps[1].data[index] + adjustG);
945 b = (float)(image->comps[2].data[index] + adjustB);
953 /* TGA format writes BGR ... */
954 if(b > 255.) b = 255.; else if(b < 0.) b = 0.;
955 value = (unsigned char)(b*scale);
956 res = fwrite(&value,1,1,fdest);
960 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
963 if(g > 255.) g = 255.; else if(g < 0.) g = 0.;
964 value = (unsigned char)(g*scale);
965 res = fwrite(&value,1,1,fdest);
969 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
972 if(r > 255.) r = 255.; else if(r < 0.) r = 0.;
973 value = (unsigned char)(r*scale);
974 res = fwrite(&value,1,1,fdest);
978 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
984 a = (float)(image->comps[alpha_channel].data[index]);
985 if(a > 255.) a = 255.; else if(a < 0.) a = 0.;
986 value = (unsigned char)(a*scale);
987 res = fwrite(&value,1,1,fdest);
991 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
1004 /* -->> -->> -->> -->>
1008 <<-- <<-- <<-- <<-- */
1011 static unsigned char readuchar(FILE * f)
1014 if ( !fread(&c1, 1, 1, f) )
1016 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1022 static unsigned short readushort(FILE * f, int bigendian)
1024 unsigned char c1, c2;
1025 if ( !fread(&c1, 1, 1, f) )
1027 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1030 if ( !fread(&c2, 1, 1, f) )
1032 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1036 return (unsigned short)((c1 << 8) + c2);
1038 return (unsigned short)((c2 << 8) + c1);
1041 static unsigned int readuint(FILE * f, int bigendian)
1043 unsigned char c1, c2, c3, c4;
1044 if ( !fread(&c1, 1, 1, f) )
1046 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1049 if ( !fread(&c2, 1, 1, f) )
1051 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1054 if ( !fread(&c3, 1, 1, f) )
1056 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1059 if ( !fread(&c4, 1, 1, f) )
1061 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1065 return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4;
1067 return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(c2 << 8) + c1;
1070 opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
1073 int i, numcomps, max;
1074 OPJ_COLOR_SPACE color_space;
1075 opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
1076 opj_image_t * image = NULL;
1077 int adjustS, ushift, dshift, force8;
1079 char endian1,endian2,sign;
1084 opj_image_comp_t *comp = NULL;
1087 color_space = OPJ_CLRSPC_GRAY;
1089 memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
1093 f = fopen(filename, "rb");
1095 fprintf(stderr, "Failed to open %s for reading !\n", filename);
1099 fseek(f, 0, SEEK_SET);
1100 if( fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h) != 9){
1102 fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n");
1108 while (signtmp[i]!='\0') {
1109 if (signtmp[i]=='-') sign='-';
1114 if (endian1=='M' && endian2=='L') {
1116 } else if (endian2=='M' && endian1=='L') {
1120 fprintf(stderr, "Bad pgx header, please check input file\n");
1124 /* initialize image component */
1126 cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
1127 cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
1128 cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1;
1129 cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1;
1139 ushift = 8 - prec; dshift = prec - ushift;
1140 if(cmptparm.sgnd) adjustS = (1<<(prec - 1)); else adjustS = 0;
1144 else ushift = dshift = force8 = adjustS = 0;
1146 cmptparm.prec = (OPJ_UINT32)prec;
1147 cmptparm.bpp = (OPJ_UINT32)prec;
1148 cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx;
1149 cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy;
1151 /* create the image */
1152 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space);
1157 /* set image offset and reference grid */
1158 image->x0 = cmptparm.x0;
1159 image->y0 = cmptparm.x0;
1160 image->x1 = cmptparm.w;
1161 image->y1 = cmptparm.h;
1163 /* set image data */
1165 comp = &image->comps[0];
1167 for (i = 0; i < w * h; i++) {
1171 v = readuchar(f) + adjustS;
1172 v = (v<<ushift) + (v>>dshift);
1173 comp->data[i] = (unsigned char)v;
1175 if(v > max) max = v;
1179 if (comp->prec == 8) {
1183 v = (char) readuchar(f);
1185 } else if (comp->prec <= 16) {
1187 v = readushort(f, bigendian);
1189 v = (short) readushort(f, bigendian);
1193 v = (int)readuint(f, bigendian);
1195 v = (int) readuint(f, bigendian);
1203 comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1;
1208 #define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)
1210 static INLINE int clamp( const int value, const int prec, const int sgnd )
1214 if (prec <= 8) return CLAMP(value,-128,127);
1215 else if (prec <= 16) return CLAMP(value,-32768,32767);
1216 else return CLAMP(value,-2147483647-1,2147483647);
1220 if (prec <= 8) return CLAMP(value,0,255);
1221 else if (prec <= 16) return CLAMP(value,0,65535);
1222 else return value; /*CLAMP(value,0,4294967295);*/
1226 int imagetopgx(opj_image_t * image, const char *outfile)
1229 int i, j, fails = 1;
1230 unsigned int compno;
1233 for (compno = 0; compno < image->numcomps; compno++)
1235 opj_image_comp_t *comp = &image->comps[compno];
1236 char bname[256]; /* buffer for name */
1237 char *name = bname; /* pointer */
1240 const size_t olen = strlen(outfile);
1241 const size_t dotpos = olen - 4;
1242 const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
1244 if( outfile[dotpos] != '.' )
1246 /* `pgx` was recognized but there is no dot at expected position */
1247 fprintf(stderr, "ERROR -> Impossible happen." );
1252 name = (char*)malloc(total+1);
1257 strncpy(name, outfile, dotpos);
1258 sprintf(name+dotpos, "_%d.pgx", compno);
1259 fdest = fopen(name, "wb");
1260 /* don't need name anymore */
1265 fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
1266 if( total > 256 ) free(name);
1270 w = (int)image->comps[compno].w;
1271 h = (int)image->comps[compno].h;
1273 fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
1276 if (comp->prec <= 8)
1278 else if (comp->prec <= 16)
1283 for (i = 0; i < w * h; i++)
1285 /* FIXME: clamp func is being called within a loop */
1286 const int val = clamp(image->comps[compno].data[i],
1287 (int)comp->prec, (int)comp->sgnd);
1289 for (j = nbytes - 1; j >= 0; j--)
1291 int v = (int)(val >> (j * 8));
1292 unsigned char byte = (unsigned char)v;
1293 res = fwrite(&byte, 1, 1, fdest);
1297 fprintf(stderr, "failed to write 1 byte for %s\n", name);
1298 if( total > 256 ) free(name);
1303 if( total > 256 ) free(name);
1304 fclose(fdest); fdest = NULL;
1308 if(fdest) fclose(fdest);
1313 /* -->> -->> -->> -->>
1317 <<-- <<-- <<-- <<-- */
1321 int width, height, maxval, depth, format;
1322 char rgb, rgba, gray, graya, bw;
1326 static char *skip_white(char *s)
1330 if(*s == '\n' || *s == '\r') return NULL;
1331 if(isspace(*s)) { ++s; continue; }
1337 static char *skip_int(char *start, int *out_n)
1342 *out_n = 0; s = start;
1344 s = skip_white(start);
1345 if(s == NULL) return NULL;
1350 if( !isdigit(*s)) break;
1353 c = *s; *s = 0; *out_n = atoi(start); *s = c;
1357 static char *skip_idf(char *start, char out_idf[256])
1362 s = skip_white(start);
1363 if(s == NULL) return NULL;
1368 if(isalpha(*s) || *s == '_') { ++s; continue; }
1371 c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c;
1375 static void read_pnm_header(FILE *reader, struct pnm_header *ph)
1377 int format, have_wh, end, ttype;
1378 char idf[256], type[256];
1381 if (fgets(line, 250, reader) == NULL)
1383 fprintf(stderr,"\nWARNING: fgets return a NULL value");
1389 fprintf(stderr,"read_pnm_header:PNM:magic P missing\n"); return;
1391 format = atoi(line + 1);
1392 if(format < 1 || format > 7)
1394 fprintf(stderr,"read_pnm_header:magic format %d invalid\n", format);
1397 ph->format = format;
1398 ttype = end = have_wh = 0;
1400 while(fgets(line, 250, reader))
1404 if(*line == '#') continue;
1410 s = skip_idf(s, idf);
1412 if(s == NULL || *s == 0) return;
1414 if(strcmp(idf, "ENDHDR") == 0)
1418 if(strcmp(idf, "WIDTH") == 0)
1420 s = skip_int(s, &ph->width);
1421 if(s == NULL || *s == 0) return;
1425 if(strcmp(idf, "HEIGHT") == 0)
1427 s = skip_int(s, &ph->height);
1428 if(s == NULL || *s == 0) return;
1432 if(strcmp(idf, "DEPTH") == 0)
1434 s = skip_int(s, &ph->depth);
1435 if(s == NULL || *s == 0) return;
1439 if(strcmp(idf, "MAXVAL") == 0)
1441 s = skip_int(s, &ph->maxval);
1442 if(s == NULL || *s == 0) return;
1446 if(strcmp(idf, "TUPLTYPE") == 0)
1448 s = skip_idf(s, type);
1449 if(s == NULL || *s == 0) return;
1451 if(strcmp(type, "BLACKANDWHITE") == 0)
1453 ph->bw = 1; ttype = 1; continue;
1455 if(strcmp(type, "GRAYSCALE") == 0)
1457 ph->gray = 1; ttype = 1; continue;
1459 if(strcmp(type, "GRAYSCALE_ALPHA") == 0)
1461 ph->graya = 1; ttype = 1; continue;
1463 if(strcmp(type, "RGB") == 0)
1465 ph->rgb = 1; ttype = 1; continue;
1467 if(strcmp(type, "RGB_ALPHA") == 0)
1469 ph->rgba = 1; ttype = 1; continue;
1471 fprintf(stderr,"read_pnm_header:unknown P7 TUPLTYPE %s\n",type);
1474 fprintf(stderr,"read_pnm_header:unknown P7 idf %s\n",idf);
1476 } /* if(format == 7) */
1480 s = skip_int(s, &ph->width);
1482 s = skip_int(s, &ph->height);
1486 if(format == 1 || format == 4) break;
1488 if(format == 2 || format == 3 || format == 5 || format == 6)
1490 if (skip_int(s, &ph->maxval) != NULL) {
1491 if(ph->maxval > 65535) {
1501 if(format == 2 || format == 3 || format == 5 || format == 6)
1503 /* P2, P3, P5, P6: */
1504 s = skip_int(s, &ph->maxval);
1506 if(ph->maxval > 65535) return;
1509 }/* while(fgets( ) */
1510 if(format == 2 || format == 3 || format > 4)
1512 if(ph->maxval < 1 || ph->maxval > 65535) return;
1514 if(ph->width < 1 || ph->height < 1) return;
1520 fprintf(stderr,"read_pnm_header:P7 without ENDHDR\n"); return;
1522 if(ph->depth < 1 || ph->depth > 4) return;
1524 if(ph->width && ph->height && ph->depth && ph->maxval && ttype)
1529 if(format != 1 && format != 4)
1531 if(ph->width && ph->height && ph->maxval) ph->ok = 1;
1535 if(ph->width && ph->height) ph->ok = 1;
1541 static int has_prec(int val)
1543 if(val < 2) return 1;
1544 if(val < 4) return 2;
1545 if(val < 8) return 3;
1546 if(val < 16) return 4;
1547 if(val < 32) return 5;
1548 if(val < 64) return 6;
1549 if(val < 128) return 7;
1550 if(val < 256) return 8;
1551 if(val < 512) return 9;
1552 if(val < 1024) return 10;
1553 if(val < 2048) return 11;
1554 if(val < 4096) return 12;
1555 if(val < 8192) return 13;
1556 if(val < 16384) return 14;
1557 if(val < 32768) return 15;
1561 opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
1562 int subsampling_dx = parameters->subsampling_dx;
1563 int subsampling_dy = parameters->subsampling_dy;
1566 int i, compno, numcomps, w, h, prec, format;
1567 OPJ_COLOR_SPACE color_space;
1568 opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */
1569 opj_image_t * image = NULL;
1570 struct pnm_header header_info;
1572 if((fp = fopen(filename, "rb")) == NULL)
1574 fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n",filename);
1577 memset(&header_info, 0, sizeof(struct pnm_header));
1579 read_pnm_header(fp, &header_info);
1581 if(!header_info.ok) { fclose(fp); return NULL; }
1583 format = header_info.format;
1587 case 1: /* ascii bitmap */
1588 case 4: /* raw bitmap */
1592 case 2: /* ascii greymap */
1593 case 5: /* raw greymap */
1597 case 3: /* ascii pixmap */
1598 case 6: /* raw pixmap */
1602 case 7: /* arbitrary map */
1603 numcomps = header_info.depth;
1606 default: fclose(fp); return NULL;
1609 color_space = OPJ_CLRSPC_GRAY;/* GRAY, GRAYA */
1611 color_space = OPJ_CLRSPC_SRGB;/* RGB, RGBA */
1613 prec = has_prec(header_info.maxval);
1615 if(prec < 8) prec = 8;
1617 w = header_info.width;
1618 h = header_info.height;
1619 subsampling_dx = parameters->subsampling_dx;
1620 subsampling_dy = parameters->subsampling_dy;
1622 memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
1624 for(i = 0; i < numcomps; i++)
1626 cmptparm[i].prec = (OPJ_UINT32)prec;
1627 cmptparm[i].bpp = (OPJ_UINT32)prec;
1628 cmptparm[i].sgnd = 0;
1629 cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
1630 cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
1631 cmptparm[i].w = (OPJ_UINT32)w;
1632 cmptparm[i].h = (OPJ_UINT32)h;
1634 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
1636 if(!image) { fclose(fp); return NULL; }
1638 /* set image offset and reference grid */
1639 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
1640 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
1641 image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1);
1642 image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1);
1644 if((format == 2) || (format == 3)) /* ascii pixmap */
1648 for (i = 0; i < w * h; i++)
1650 for(compno = 0; compno < numcomps; compno++)
1653 if (fscanf(fp, "%u", &index) != 1)
1654 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1656 image->comps[compno].data[i] = (OPJ_INT32)(index * 255)/header_info.maxval;
1664 && ( header_info.gray || header_info.graya
1665 || header_info.rgb || header_info.rgba)))/* binary pixmap */
1667 unsigned char c0, c1, one;
1671 for (i = 0; i < w * h; i++)
1673 for(compno = 0; compno < numcomps; compno++)
1675 if ( !fread(&c0, 1, 1, fp) )
1677 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1678 opj_image_destroy(image);
1684 image->comps[compno].data[i] = c0;
1688 if ( !fread(&c1, 1, 1, fp) )
1689 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1691 image->comps[compno].data[i] = ((c0<<8) | c1);
1697 if(format == 1) /* ascii bitmap */
1699 for (i = 0; i < w * h; i++)
1703 if ( fscanf(fp, "%u", &index) != 1)
1704 fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
1706 image->comps[0].data[i] = (index?0:255);
1716 for(y = 0; y < h; ++y)
1720 for(x = 0; x < w; ++x)
1725 uc = (unsigned char)getc(fp);
1727 image->comps[0].data[i] = (((uc>>bit) & 1)?0:255);
1733 if((format == 7 && header_info.bw)) /*MONO*/
1737 for(i = 0; i < w * h; ++i)
1739 if ( !fread(&uc, 1, 1, fp) )
1740 fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
1741 image->comps[0].data[i] = (uc & 1)?0:255;
1749 int imagetopnm(opj_image_t * image, const char *outfile, int force_split)
1751 int *red, *green, *blue, *alpha;
1754 unsigned int compno, ncomp;
1755 int adjustR, adjustG, adjustB, adjustA;
1756 int fails, two, want_gray, has_alpha, triple;
1759 const char *tmp = outfile;
1764 if((prec = (int)image->comps[0].prec) > 16)
1766 fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
1767 "\n\t: refused.\n",__FILE__,__LINE__,prec);
1770 two = has_alpha = 0; fails = 1;
1771 ncomp = image->numcomps;
1773 while (*tmp) ++tmp; tmp -= 2;
1774 want_gray = (*tmp == 'g' || *tmp == 'G');
1775 ncomp = image->numcomps;
1777 if(want_gray) ncomp = 1;
1779 if ((force_split == 0) &&
1780 (ncomp == 2 /* GRAYA */
1781 || (ncomp > 2 /* RGB, RGBA */
1782 && image->comps[0].dx == image->comps[1].dx
1783 && image->comps[1].dx == image->comps[2].dx
1784 && image->comps[0].dy == image->comps[1].dy
1785 && image->comps[1].dy == image->comps[2].dy
1786 && image->comps[0].prec == image->comps[1].prec
1787 && image->comps[1].prec == image->comps[2].prec
1790 fdest = fopen(outfile, "wb");
1794 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
1798 triple = (ncomp > 2);
1799 wr = (int)image->comps[0].w; hr = (int)image->comps[0].h;
1800 max = (1<<prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2);
1802 red = image->comps[0].data;
1806 green = image->comps[1].data;
1807 blue = image->comps[2].data;
1809 else green = blue = NULL;
1813 const char *tt = (triple?"RGB_ALPHA":"GRAYSCALE_ALPHA");
1815 fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n"
1816 "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
1817 wr, hr, ncomp, max, tt);
1818 alpha = image->comps[ncomp - 1].data;
1819 adjustA = (image->comps[ncomp - 1].sgnd ?
1820 1 << (image->comps[ncomp - 1].prec - 1) : 0);
1824 fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
1825 opj_version(), wr, hr, max);
1828 adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1832 adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
1833 adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
1835 else adjustG = adjustB = 0;
1837 for(i = 0; i < wr * hr; ++i)
1841 v = *red + adjustR; ++red;
1842 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1845 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1849 v = *green + adjustG; ++green;
1850 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1853 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1855 v = *blue + adjustB; ++blue;
1856 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1859 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1865 v = *alpha + adjustA; ++alpha;
1866 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1869 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1877 if(v > 255) v = 255; else if(v < 0) v = 0;
1879 fprintf(fdest, "%c", (unsigned char)v);
1883 if(v > 255) v = 255; else if(v < 0) v = 0;
1885 fprintf(fdest, "%c", (unsigned char)v);
1887 if(v > 255) v = 255; else if(v < 0) v = 0;
1889 fprintf(fdest, "%c", (unsigned char)v);
1894 if(v > 255) v = 255; else if(v < 0) v = 0;
1896 fprintf(fdest, "%c", (unsigned char)v);
1900 fclose(fdest); return 0;
1905 if (image->numcomps > ncomp)
1907 fprintf(stderr,"WARNING -> [PGM file] Only the first component\n");
1908 fprintf(stderr," is written to the file\n");
1910 destname = (char*)malloc(strlen(outfile) + 8);
1912 for (compno = 0; compno < ncomp; compno++)
1916 /*sprintf(destname, "%d.%s", compno, outfile);*/
1917 const size_t olen = strlen(outfile);
1918 const size_t dotpos = olen - 4;
1920 strncpy(destname, outfile, dotpos);
1921 sprintf(destname+dotpos, "_%d.pgm", compno);
1924 sprintf(destname, "%s", outfile);
1926 fdest = fopen(destname, "wb");
1929 fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
1933 wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h;
1934 prec = (int)image->comps[compno].prec;
1935 max = (1<<prec) - 1;
1937 fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
1938 opj_version(), wr, hr, max);
1940 red = image->comps[compno].data;
1942 (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
1946 for (i = 0; i < wr * hr; i++)
1948 v = *red + adjustR; ++red;
1949 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1952 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1957 if(v > 65535) v = 65535; else if(v < 0) v = 0;
1960 fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
1964 else /* prec <= 8 */
1966 for(i = 0; i < wr * hr; ++i)
1968 v = *red + adjustR; ++red;
1969 if(v > 255) v = 255; else if(v < 0) v = 0;
1971 fprintf(fdest, "%c", (unsigned char)v);
1981 /* -->> -->> -->> -->>
1985 <<-- <<-- <<-- <<-- */
1986 static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) {
1987 int subsampling_dx = parameters->subsampling_dx;
1988 int subsampling_dy = parameters->subsampling_dy;
1991 int i, compno, numcomps, w, h;
1992 OPJ_COLOR_SPACE color_space;
1993 opj_image_cmptparm_t *cmptparm;
1994 opj_image_t * image = NULL;
1997 if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
1999 fprintf(stderr,"\nError: invalid raw image parameters\n");
2000 fprintf(stderr,"Please use the Format option -F:\n");
2001 fprintf(stderr,"-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
2002 fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
2003 fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
2004 fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n");
2005 fprintf(stderr,"Aborting.\n");
2009 f = fopen(filename, "rb");
2011 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
2012 fprintf(stderr,"Aborting\n");
2015 numcomps = raw_cp->rawComp;
2017 /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
2018 if (numcomps == 1) {
2019 color_space = OPJ_CLRSPC_GRAY;
2020 } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
2021 color_space = OPJ_CLRSPC_SYCC;
2022 } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) {
2023 color_space = OPJ_CLRSPC_SRGB;
2025 color_space = OPJ_CLRSPC_UNKNOWN;
2027 w = raw_cp->rawWidth;
2028 h = raw_cp->rawHeight;
2029 cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps,sizeof(opj_image_cmptparm_t));
2031 fprintf(stderr, "Failed to allocate image components parameters !!\n");
2032 fprintf(stderr,"Aborting\n");
2036 /* initialize image components */
2037 for(i = 0; i < numcomps; i++) {
2038 cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
2039 cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
2040 cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
2041 cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx);
2042 cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy);
2043 cmptparm[i].w = (OPJ_UINT32)w;
2044 cmptparm[i].h = (OPJ_UINT32)h;
2046 /* create the image */
2047 image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
2053 /* set image offset and reference grid */
2054 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
2055 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
2056 image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
2057 image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
2059 if(raw_cp->rawBitDepth <= 8)
2061 unsigned char value = 0;
2062 for(compno = 0; compno < numcomps; compno++) {
2063 int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dy);
2064 for (i = 0; i < nloop; i++) {
2065 if (!fread(&value, 1, 1, f)) {
2066 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
2067 opj_image_destroy(image);
2071 image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
2075 else if(raw_cp->rawBitDepth <= 16)
2077 unsigned short value;
2078 for(compno = 0; compno < numcomps; compno++) {
2079 int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dy);
2080 for (i = 0; i < nloop; i++) {
2081 unsigned char temp1;
2082 unsigned char temp2;
2083 if (!fread(&temp1, 1, 1, f)) {
2084 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
2085 opj_image_destroy(image);
2089 if (!fread(&temp2, 1, 1, f)) {
2090 fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
2091 opj_image_destroy(image);
2097 value = (unsigned short)((temp1 << 8) + temp2);
2101 value = (unsigned short)((temp2 << 8) + temp1);
2103 image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
2108 fprintf(stderr,"OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
2109 opj_image_destroy(image);
2114 if (fread(&ch, 1, 1, f)) {
2115 fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
2122 opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
2123 return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
2126 opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
2127 return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
2130 static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian)
2132 FILE *rawFile = NULL;
2134 unsigned int compno;
2136 int line, row, curr, mask;
2141 if((image->numcomps * image->x1 * image->y1) == 0)
2143 fprintf(stderr,"\nError: invalid raw image parameters\n");
2147 rawFile = fopen(outfile, "wb");
2149 fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
2154 fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);
2156 for(compno = 0; compno < image->numcomps; compno++)
2158 fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
2159 image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");
2161 w = (int)image->comps[compno].w;
2162 h = (int)image->comps[compno].h;
2164 if(image->comps[compno].prec <= 8)
2166 if(image->comps[compno].sgnd == 1)
2168 mask = (1 << image->comps[compno].prec) - 1;
2169 ptr = image->comps[compno].data;
2170 for (line = 0; line < h; line++) {
2171 for(row = 0; row < w; row++) {
2173 if(curr > 127) curr = 127; else if(curr < -128) curr = -128;
2174 uc = (unsigned char) (curr & mask);
2175 res = fwrite(&uc, 1, 1, rawFile);
2177 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
2184 else if(image->comps[compno].sgnd == 0)
2186 mask = (1 << image->comps[compno].prec) - 1;
2187 ptr = image->comps[compno].data;
2188 for (line = 0; line < h; line++) {
2189 for(row = 0; row < w; row++) {
2191 if(curr > 255) curr = 255; else if(curr < 0) curr = 0;
2192 uc = (unsigned char) (curr & mask);
2193 res = fwrite(&uc, 1, 1, rawFile);
2195 fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
2203 else if(image->comps[compno].prec <= 16)
2205 if(image->comps[compno].sgnd == 1)
2207 union { signed short val; signed char vals[2]; } uc16;
2208 mask = (1 << image->comps[compno].prec) - 1;
2209 ptr = image->comps[compno].data;
2210 for (line = 0; line < h; line++) {
2211 for(row = 0; row < w; row++) {
2213 if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768;
2214 uc16.val = (signed short)(curr & mask);
2215 res = fwrite(uc16.vals, 1, 2, rawFile);
2217 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
2224 else if(image->comps[compno].sgnd == 0)
2226 union { unsigned short val; unsigned char vals[2]; } uc16;
2227 mask = (1 << image->comps[compno].prec) - 1;
2228 ptr = image->comps[compno].data;
2229 for (line = 0; line < h; line++) {
2230 for(row = 0; row < w; row++) {
2232 if(curr > 65535 ) curr = 65535; else if( curr < 0) curr = 0;
2233 uc16.val = (unsigned short)(curr & mask);
2234 res = fwrite(uc16.vals, 1, 2, rawFile);
2236 fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
2244 else if (image->comps[compno].prec <= 32)
2246 fprintf(stderr,"More than 16 bits per component no handled yet\n");
2251 fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
2261 int imagetoraw(opj_image_t * image, const char *outfile)
2263 return imagetoraw_common(image, outfile, OPJ_TRUE);
2266 int imagetorawl(opj_image_t * image, const char *outfile)
2268 return imagetoraw_common(image, outfile, OPJ_FALSE);