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 OPJ_UINT16 bfType; /* 'BM' for Bitmap (19776) */
50 OPJ_UINT32 bfSize; /* Size of the file */
51 OPJ_UINT16 bfReserved1; /* Reserved : 0 */
52 OPJ_UINT16 bfReserved2; /* Reserved : 0 */
53 OPJ_UINT32 bfOffBits; /* Offset */
54 } OPJ_BITMAPFILEHEADER;
57 OPJ_UINT32 biSize; /* Size of the structure in bytes */
58 OPJ_UINT32 biWidth; /* Width of the image in pixels */
59 OPJ_UINT32 biHeight; /* Height of the image in pixels */
60 OPJ_UINT16 biPlanes; /* 1 */
61 OPJ_UINT16 biBitCount; /* Number of color bits by pixels */
62 OPJ_UINT32 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
63 OPJ_UINT32 biSizeImage; /* Size of the image in bytes */
64 OPJ_UINT32 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
65 OPJ_UINT32 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
66 OPJ_UINT32 biClrUsed; /* Number of color used in the image (0: ALL) */
67 OPJ_UINT32 biClrImportant; /* Number of important color (0: ALL) */
68 OPJ_UINT32 biRedMask; /* Red channel bit mask */
69 OPJ_UINT32 biGreenMask; /* Green channel bit mask */
70 OPJ_UINT32 biBlueMask; /* Blue channel bit mask */
71 OPJ_UINT32 biAlphaMask; /* Alpha channel bit mask */
72 OPJ_UINT32 biColorSpaceType; /* Color space type */
73 OPJ_UINT8 biColorSpaceEP[36]; /* Color space end points */
74 OPJ_UINT32 biRedGamma; /* Red channel gamma */
75 OPJ_UINT32 biGreenGamma; /* Green channel gamma */
76 OPJ_UINT32 biBlueGamma; /* Blue channel gamma */
77 OPJ_UINT32 biIntent; /* Intent */
78 OPJ_UINT32 biIccProfileData; /* ICC profile data */
79 OPJ_UINT32 biIccProfileSize; /* ICC profile size */
80 OPJ_UINT32 biReserved; /* Reserved */
81 } OPJ_BITMAPINFOHEADER;
83 static void opj_applyLUT8u_8u32s_C1R(
84 OPJ_UINT8 const* pSrc, OPJ_INT32 srcStride,
85 OPJ_INT32* pDst, OPJ_INT32 dstStride,
86 OPJ_UINT8 const* pLUT,
87 OPJ_UINT32 width, OPJ_UINT32 height)
91 for (y = height; y != 0U; --y) {
94 for (x = 0; x < width; x++) {
95 pDst[x] = (OPJ_INT32)pLUT[pSrc[x]];
102 static void opj_applyLUT8u_8u32s_C1P3R(
103 OPJ_UINT8 const* pSrc, OPJ_INT32 srcStride,
104 OPJ_INT32* const* pDst, OPJ_INT32 const* pDstStride,
105 OPJ_UINT8 const* const* pLUT,
106 OPJ_UINT32 width, OPJ_UINT32 height)
109 OPJ_INT32* pR = pDst[0];
110 OPJ_INT32* pG = pDst[1];
111 OPJ_INT32* pB = pDst[2];
112 OPJ_UINT8 const* pLUT_R = pLUT[0];
113 OPJ_UINT8 const* pLUT_G = pLUT[1];
114 OPJ_UINT8 const* pLUT_B = pLUT[2];
116 for (y = height; y != 0U; --y) {
119 for (x = 0; x < width; x++) {
120 OPJ_UINT8 idx = pSrc[x];
121 pR[x] = (OPJ_INT32)pLUT_R[idx];
122 pG[x] = (OPJ_INT32)pLUT_G[idx];
123 pB[x] = (OPJ_INT32)pLUT_B[idx];
132 static void bmp24toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
136 OPJ_UINT32 width, height;
138 const OPJ_UINT8 *pSrc = NULL;
140 width = image->comps[0].w;
141 height = image->comps[0].h;
144 pSrc = pData + (height - 1U) * stride;
145 for (y = 0; y < height; y++) {
146 for (x = 0; x < width; x++) {
147 image->comps[0].data[index] = (OPJ_INT32)pSrc[3 * x + 2]; /* R */
148 image->comps[1].data[index] = (OPJ_INT32)pSrc[3 * x + 1]; /* G */
149 image->comps[2].data[index] = (OPJ_INT32)pSrc[3 * x + 0]; /* B */
156 static void bmp_mask_get_shift_and_prec(OPJ_UINT32 mask, OPJ_UINT32* shift,
159 OPJ_UINT32 l_shift, l_prec;
161 l_shift = l_prec = 0U;
164 while ((mask & 1U) == 0U) {
177 static void bmpmask32toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
178 opj_image_t* image, OPJ_UINT32 redMask, OPJ_UINT32 greenMask,
179 OPJ_UINT32 blueMask, OPJ_UINT32 alphaMask)
182 OPJ_UINT32 width, height;
184 const OPJ_UINT8 *pSrc = NULL;
186 OPJ_UINT32 redShift, redPrec;
187 OPJ_UINT32 greenShift, greenPrec;
188 OPJ_UINT32 blueShift, bluePrec;
189 OPJ_UINT32 alphaShift, alphaPrec;
191 width = image->comps[0].w;
192 height = image->comps[0].h;
194 hasAlpha = image->numcomps > 3U;
196 bmp_mask_get_shift_and_prec(redMask, &redShift, &redPrec);
197 bmp_mask_get_shift_and_prec(greenMask, &greenShift, &greenPrec);
198 bmp_mask_get_shift_and_prec(blueMask, &blueShift, &bluePrec);
199 bmp_mask_get_shift_and_prec(alphaMask, &alphaShift, &alphaPrec);
201 image->comps[0].bpp = redPrec;
202 image->comps[0].prec = redPrec;
203 image->comps[1].bpp = greenPrec;
204 image->comps[1].prec = greenPrec;
205 image->comps[2].bpp = bluePrec;
206 image->comps[2].prec = bluePrec;
208 image->comps[3].bpp = alphaPrec;
209 image->comps[3].prec = alphaPrec;
213 pSrc = pData + (height - 1U) * stride;
214 for (y = 0; y < height; y++) {
215 for (x = 0; x < width; x++) {
216 OPJ_UINT32 value = 0U;
218 value |= ((OPJ_UINT32)pSrc[4 * x + 0]) << 0;
219 value |= ((OPJ_UINT32)pSrc[4 * x + 1]) << 8;
220 value |= ((OPJ_UINT32)pSrc[4 * x + 2]) << 16;
221 value |= ((OPJ_UINT32)pSrc[4 * x + 3]) << 24;
223 image->comps[0].data[index] = (OPJ_INT32)((value & redMask) >>
225 image->comps[1].data[index] = (OPJ_INT32)((value & greenMask) >>
227 image->comps[2].data[index] = (OPJ_INT32)((value & blueMask) >>
230 image->comps[3].data[index] = (OPJ_INT32)((value & alphaMask) >>
239 static void bmpmask16toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
240 opj_image_t* image, OPJ_UINT32 redMask, OPJ_UINT32 greenMask,
241 OPJ_UINT32 blueMask, OPJ_UINT32 alphaMask)
244 OPJ_UINT32 width, height;
246 const OPJ_UINT8 *pSrc = NULL;
248 OPJ_UINT32 redShift, redPrec;
249 OPJ_UINT32 greenShift, greenPrec;
250 OPJ_UINT32 blueShift, bluePrec;
251 OPJ_UINT32 alphaShift, alphaPrec;
253 width = image->comps[0].w;
254 height = image->comps[0].h;
256 hasAlpha = image->numcomps > 3U;
258 bmp_mask_get_shift_and_prec(redMask, &redShift, &redPrec);
259 bmp_mask_get_shift_and_prec(greenMask, &greenShift, &greenPrec);
260 bmp_mask_get_shift_and_prec(blueMask, &blueShift, &bluePrec);
261 bmp_mask_get_shift_and_prec(alphaMask, &alphaShift, &alphaPrec);
263 image->comps[0].bpp = redPrec;
264 image->comps[0].prec = redPrec;
265 image->comps[1].bpp = greenPrec;
266 image->comps[1].prec = greenPrec;
267 image->comps[2].bpp = bluePrec;
268 image->comps[2].prec = bluePrec;
270 image->comps[3].bpp = alphaPrec;
271 image->comps[3].prec = alphaPrec;
275 pSrc = pData + (height - 1U) * stride;
276 for (y = 0; y < height; y++) {
277 for (x = 0; x < width; x++) {
278 OPJ_UINT32 value = 0U;
280 value |= ((OPJ_UINT32)pSrc[2 * x + 0]) << 0;
281 value |= ((OPJ_UINT32)pSrc[2 * x + 1]) << 8;
283 image->comps[0].data[index] = (OPJ_INT32)((value & redMask) >>
285 image->comps[1].data[index] = (OPJ_INT32)((value & greenMask) >>
287 image->comps[2].data[index] = (OPJ_INT32)((value & blueMask) >>
290 image->comps[3].data[index] = (OPJ_INT32)((value & alphaMask) >>
299 static opj_image_t* bmp8toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
300 opj_image_t* image, OPJ_UINT8 const* const* pLUT)
302 OPJ_UINT32 width, height;
303 const OPJ_UINT8 *pSrc = NULL;
305 width = image->comps[0].w;
306 height = image->comps[0].h;
308 pSrc = pData + (height - 1U) * stride;
309 if (image->numcomps == 1U) {
310 opj_applyLUT8u_8u32s_C1R(pSrc, -(OPJ_INT32)stride, image->comps[0].data,
311 (OPJ_INT32)width, pLUT[0], width, height);
314 OPJ_INT32 pDstStride[3];
316 pDst[0] = image->comps[0].data;
317 pDst[1] = image->comps[1].data;
318 pDst[2] = image->comps[2].data;
319 pDstStride[0] = (OPJ_INT32)width;
320 pDstStride[1] = (OPJ_INT32)width;
321 pDstStride[2] = (OPJ_INT32)width;
322 opj_applyLUT8u_8u32s_C1P3R(pSrc, -(OPJ_INT32)stride, pDst, pDstStride, pLUT,
328 static OPJ_BOOL bmp_read_file_header(FILE* IN, OPJ_BITMAPFILEHEADER* header)
330 header->bfType = (OPJ_UINT16)getc(IN);
331 header->bfType |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
333 if (header->bfType != 19778) {
334 fprintf(stderr, "Error, not a BMP file!\n");
340 header->bfSize = (OPJ_UINT32)getc(IN);
341 header->bfSize |= (OPJ_UINT32)getc(IN) << 8;
342 header->bfSize |= (OPJ_UINT32)getc(IN) << 16;
343 header->bfSize |= (OPJ_UINT32)getc(IN) << 24;
345 header->bfReserved1 = (OPJ_UINT16)getc(IN);
346 header->bfReserved1 |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
348 header->bfReserved2 = (OPJ_UINT16)getc(IN);
349 header->bfReserved2 |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
351 header->bfOffBits = (OPJ_UINT32)getc(IN);
352 header->bfOffBits |= (OPJ_UINT32)getc(IN) << 8;
353 header->bfOffBits |= (OPJ_UINT32)getc(IN) << 16;
354 header->bfOffBits |= (OPJ_UINT32)getc(IN) << 24;
357 static OPJ_BOOL bmp_read_info_header(FILE* IN, OPJ_BITMAPINFOHEADER* header)
359 memset(header, 0, sizeof(*header));
362 header->biSize = (OPJ_UINT32)getc(IN);
363 header->biSize |= (OPJ_UINT32)getc(IN) << 8;
364 header->biSize |= (OPJ_UINT32)getc(IN) << 16;
365 header->biSize |= (OPJ_UINT32)getc(IN) << 24;
367 switch (header->biSize) {
368 case 12U: /* BITMAPCOREHEADER */
369 case 40U: /* BITMAPINFOHEADER */
370 case 52U: /* BITMAPV2INFOHEADER */
371 case 56U: /* BITMAPV3INFOHEADER */
372 case 108U: /* BITMAPV4HEADER */
373 case 124U: /* BITMAPV5HEADER */
376 fprintf(stderr, "Error, unknown BMP header size %d\n", header->biSize);
380 header->biWidth = (OPJ_UINT32)getc(IN);
381 header->biWidth |= (OPJ_UINT32)getc(IN) << 8;
382 header->biWidth |= (OPJ_UINT32)getc(IN) << 16;
383 header->biWidth |= (OPJ_UINT32)getc(IN) << 24;
385 header->biHeight = (OPJ_UINT32)getc(IN);
386 header->biHeight |= (OPJ_UINT32)getc(IN) << 8;
387 header->biHeight |= (OPJ_UINT32)getc(IN) << 16;
388 header->biHeight |= (OPJ_UINT32)getc(IN) << 24;
390 header->biPlanes = (OPJ_UINT16)getc(IN);
391 header->biPlanes |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
393 header->biBitCount = (OPJ_UINT16)getc(IN);
394 header->biBitCount |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
395 if (header->biBitCount == 0) {
396 fprintf(stderr, "Error, invalid biBitCount %d\n", 0);
400 if (header->biSize >= 40U) {
401 header->biCompression = (OPJ_UINT32)getc(IN);
402 header->biCompression |= (OPJ_UINT32)getc(IN) << 8;
403 header->biCompression |= (OPJ_UINT32)getc(IN) << 16;
404 header->biCompression |= (OPJ_UINT32)getc(IN) << 24;
406 header->biSizeImage = (OPJ_UINT32)getc(IN);
407 header->biSizeImage |= (OPJ_UINT32)getc(IN) << 8;
408 header->biSizeImage |= (OPJ_UINT32)getc(IN) << 16;
409 header->biSizeImage |= (OPJ_UINT32)getc(IN) << 24;
411 header->biXpelsPerMeter = (OPJ_UINT32)getc(IN);
412 header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 8;
413 header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 16;
414 header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 24;
416 header->biYpelsPerMeter = (OPJ_UINT32)getc(IN);
417 header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 8;
418 header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 16;
419 header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 24;
421 header->biClrUsed = (OPJ_UINT32)getc(IN);
422 header->biClrUsed |= (OPJ_UINT32)getc(IN) << 8;
423 header->biClrUsed |= (OPJ_UINT32)getc(IN) << 16;
424 header->biClrUsed |= (OPJ_UINT32)getc(IN) << 24;
426 header->biClrImportant = (OPJ_UINT32)getc(IN);
427 header->biClrImportant |= (OPJ_UINT32)getc(IN) << 8;
428 header->biClrImportant |= (OPJ_UINT32)getc(IN) << 16;
429 header->biClrImportant |= (OPJ_UINT32)getc(IN) << 24;
432 if (header->biSize >= 56U) {
433 header->biRedMask = (OPJ_UINT32)getc(IN);
434 header->biRedMask |= (OPJ_UINT32)getc(IN) << 8;
435 header->biRedMask |= (OPJ_UINT32)getc(IN) << 16;
436 header->biRedMask |= (OPJ_UINT32)getc(IN) << 24;
438 header->biGreenMask = (OPJ_UINT32)getc(IN);
439 header->biGreenMask |= (OPJ_UINT32)getc(IN) << 8;
440 header->biGreenMask |= (OPJ_UINT32)getc(IN) << 16;
441 header->biGreenMask |= (OPJ_UINT32)getc(IN) << 24;
443 header->biBlueMask = (OPJ_UINT32)getc(IN);
444 header->biBlueMask |= (OPJ_UINT32)getc(IN) << 8;
445 header->biBlueMask |= (OPJ_UINT32)getc(IN) << 16;
446 header->biBlueMask |= (OPJ_UINT32)getc(IN) << 24;
448 header->biAlphaMask = (OPJ_UINT32)getc(IN);
449 header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 8;
450 header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 16;
451 header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 24;
454 if (header->biSize >= 108U) {
455 header->biColorSpaceType = (OPJ_UINT32)getc(IN);
456 header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 8;
457 header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 16;
458 header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 24;
460 if (fread(&(header->biColorSpaceEP), 1U, sizeof(header->biColorSpaceEP),
461 IN) != sizeof(header->biColorSpaceEP)) {
462 fprintf(stderr, "Error, can't read BMP header\n");
466 header->biRedGamma = (OPJ_UINT32)getc(IN);
467 header->biRedGamma |= (OPJ_UINT32)getc(IN) << 8;
468 header->biRedGamma |= (OPJ_UINT32)getc(IN) << 16;
469 header->biRedGamma |= (OPJ_UINT32)getc(IN) << 24;
471 header->biGreenGamma = (OPJ_UINT32)getc(IN);
472 header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 8;
473 header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 16;
474 header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 24;
476 header->biBlueGamma = (OPJ_UINT32)getc(IN);
477 header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 8;
478 header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 16;
479 header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 24;
482 if (header->biSize >= 124U) {
483 header->biIntent = (OPJ_UINT32)getc(IN);
484 header->biIntent |= (OPJ_UINT32)getc(IN) << 8;
485 header->biIntent |= (OPJ_UINT32)getc(IN) << 16;
486 header->biIntent |= (OPJ_UINT32)getc(IN) << 24;
488 header->biIccProfileData = (OPJ_UINT32)getc(IN);
489 header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 8;
490 header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 16;
491 header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 24;
493 header->biIccProfileSize = (OPJ_UINT32)getc(IN);
494 header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 8;
495 header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 16;
496 header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 24;
498 header->biReserved = (OPJ_UINT32)getc(IN);
499 header->biReserved |= (OPJ_UINT32)getc(IN) << 8;
500 header->biReserved |= (OPJ_UINT32)getc(IN) << 16;
501 header->biReserved |= (OPJ_UINT32)getc(IN) << 24;
506 static OPJ_BOOL bmp_read_raw_data(FILE* IN, OPJ_UINT8* pData, OPJ_UINT32 stride,
507 OPJ_UINT32 width, OPJ_UINT32 height)
509 OPJ_ARG_NOT_USED(width);
511 if (fread(pData, sizeof(OPJ_UINT8), stride * height, IN) != (stride * height)) {
513 "\nError: fread return a number of element different from the expected.\n");
519 static OPJ_BOOL bmp_read_rle8_data(FILE* IN, OPJ_UINT8* pData,
520 OPJ_UINT32 stride, OPJ_UINT32 width, OPJ_UINT32 height)
524 const OPJ_UINT8 *beyond;
526 beyond = pData + stride * height;
535 OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
537 for (j = 0; (j < c) && (x < width) &&
538 ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
543 if (c == 0x00) { /* EOL */
546 pix = pData + y * stride + x;
547 } else if (c == 0x01) { /* EOP */
549 } else if (c == 0x02) { /* MOVE by dxdy */
554 pix = pData + y * stride + x;
555 } else { /* 03 .. 255 */
557 for (j = 0; (j < c) && (x < width) &&
558 ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
559 OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
562 if ((OPJ_UINT32)c & 1U) { /* skip padding byte */
571 static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
572 OPJ_UINT32 stride, OPJ_UINT32 width, OPJ_UINT32 height)
576 const OPJ_UINT8 *beyond;
578 beyond = pData + stride * height;
587 if (c) { /* encoded mode */
589 OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
591 for (j = 0; (j < c) && (x < width) &&
592 ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
593 *pix = (OPJ_UINT8)((j & 1) ? (c1 & 0x0fU) : ((c1 >> 4) & 0x0fU));
595 } else { /* absolute mode */
601 if (c == 0x00) { /* EOL */
604 pix = pData + y * stride;
605 } else if (c == 0x01) { /* EOP */
607 } else if (c == 0x02) { /* MOVE by dxdy */
612 pix = pData + y * stride + x;
613 } else { /* 03 .. 255 : absolute mode */
617 for (j = 0; (j < c) && (x < width) &&
618 ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
620 c1 = (OPJ_UINT8)getc(IN);
622 *pix = (OPJ_UINT8)((j & 1) ? (c1 & 0x0fU) : ((c1 >> 4) & 0x0fU));
624 if (((c & 3) == 1) || ((c & 3) == 2)) { /* skip padding byte */
629 } /* while(y < height) */
633 opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
635 opj_image_cmptparm_t cmptparm[4]; /* maximum of 4 components */
636 OPJ_UINT8 lut_R[256], lut_G[256], lut_B[256];
637 OPJ_UINT8 const* pLUT[3];
638 opj_image_t * image = NULL;
640 OPJ_BITMAPFILEHEADER File_h;
641 OPJ_BITMAPINFOHEADER Info_h;
642 OPJ_UINT32 i, palette_len, numcmpts = 1U;
643 OPJ_BOOL l_result = OPJ_FALSE;
644 OPJ_UINT8* pData = NULL;
651 IN = fopen(filename, "rb");
653 fprintf(stderr, "Failed to open %s for reading !!\n", filename);
657 if (!bmp_read_file_header(IN, &File_h)) {
661 if (!bmp_read_info_header(IN, &Info_h)) {
667 if (Info_h.biBitCount <= 8U) {
668 memset(&lut_R[0], 0, sizeof(lut_R));
669 memset(&lut_G[0], 0, sizeof(lut_G));
670 memset(&lut_B[0], 0, sizeof(lut_B));
672 palette_len = Info_h.biClrUsed;
673 if ((palette_len == 0U) && (Info_h.biBitCount <= 8U)) {
674 palette_len = (1U << Info_h.biBitCount);
676 if (palette_len > 256U) {
679 if (palette_len > 0U) {
680 OPJ_UINT8 has_color = 0U;
681 for (i = 0U; i < palette_len; i++) {
682 lut_B[i] = (OPJ_UINT8)getc(IN);
683 lut_G[i] = (OPJ_UINT8)getc(IN);
684 lut_R[i] = (OPJ_UINT8)getc(IN);
685 (void)getc(IN); /* padding */
686 has_color |= (lut_B[i] ^ lut_G[i]) | (lut_G[i] ^ lut_R[i]);
694 if ((Info_h.biCompression == 3) && (Info_h.biAlphaMask != 0U)) {
699 if (Info_h.biWidth == 0 || Info_h.biHeight == 0) {
704 if (Info_h.biBitCount > (((OPJ_UINT32) - 1) - 31) / Info_h.biWidth) {
708 stride = ((Info_h.biWidth * Info_h.biBitCount + 31U) / 32U) *
709 4U; /* rows are aligned on 32bits */
710 if (Info_h.biBitCount == 4 &&
711 Info_h.biCompression == 2) { /* RLE 4 gets decoded as 8 bits data for now... */
712 if (8 > (((OPJ_UINT32) - 1) - 31) / Info_h.biWidth) {
716 stride = ((Info_h.biWidth * 8U + 31U) / 32U) * 4U;
719 if (stride > ((OPJ_UINT32) - 1) / sizeof(OPJ_UINT8) / Info_h.biHeight) {
723 pData = (OPJ_UINT8 *) calloc(1, stride * Info_h.biHeight * sizeof(OPJ_UINT8));
728 /* Place the cursor at the beginning of the image information */
729 fseek(IN, 0, SEEK_SET);
730 fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
732 switch (Info_h.biCompression) {
736 l_result = bmp_read_raw_data(IN, pData, stride, Info_h.biWidth,
741 l_result = bmp_read_rle8_data(IN, pData, stride, Info_h.biWidth,
746 l_result = bmp_read_rle4_data(IN, pData, stride, Info_h.biWidth,
750 fprintf(stderr, "Unsupported BMP compression\n");
751 l_result = OPJ_FALSE;
760 /* create the image */
761 memset(&cmptparm[0], 0, sizeof(cmptparm));
762 for (i = 0; i < 4U; i++) {
763 cmptparm[i].prec = 8;
765 cmptparm[i].sgnd = 0;
766 cmptparm[i].dx = (OPJ_UINT32)parameters->subsampling_dx;
767 cmptparm[i].dy = (OPJ_UINT32)parameters->subsampling_dy;
768 cmptparm[i].w = Info_h.biWidth;
769 cmptparm[i].h = Info_h.biHeight;
772 image = opj_image_create(numcmpts, &cmptparm[0],
773 (numcmpts == 1U) ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB);
779 if (numcmpts == 4U) {
780 image->comps[3].alpha = 1;
783 /* set image offset and reference grid */
784 image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
785 image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
786 image->x1 = image->x0 + (Info_h.biWidth - 1U) * (OPJ_UINT32)
787 parameters->subsampling_dx + 1U;
788 image->y1 = image->y0 + (Info_h.biHeight - 1U) * (OPJ_UINT32)
789 parameters->subsampling_dy + 1U;
792 if (Info_h.biBitCount == 24 && Info_h.biCompression == 0) { /*RGB */
793 bmp24toimage(pData, stride, image);
794 } else if (Info_h.biBitCount == 8 &&
795 Info_h.biCompression == 0) { /* RGB 8bpp Indexed */
796 bmp8toimage(pData, stride, image, pLUT);
797 } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { /*RLE8*/
798 bmp8toimage(pData, stride, image, pLUT);
799 } else if (Info_h.biBitCount == 4 && Info_h.biCompression == 2) { /*RLE4*/
800 bmp8toimage(pData, stride, image,
801 pLUT); /* RLE 4 gets decoded as 8 bits data for now */
802 } else if (Info_h.biBitCount == 32 && Info_h.biCompression == 0) { /* RGBX */
803 bmpmask32toimage(pData, stride, image, 0x00FF0000U, 0x0000FF00U, 0x000000FFU,
805 } else if (Info_h.biBitCount == 32 && Info_h.biCompression == 3) { /* bitmask */
806 bmpmask32toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask,
807 Info_h.biBlueMask, Info_h.biAlphaMask);
808 } else if (Info_h.biBitCount == 16 && Info_h.biCompression == 0) { /* RGBX */
809 bmpmask16toimage(pData, stride, image, 0x7C00U, 0x03E0U, 0x001FU, 0x0000U);
810 } else if (Info_h.biBitCount == 16 && Info_h.biCompression == 3) { /* bitmask */
811 if ((Info_h.biRedMask == 0U) && (Info_h.biGreenMask == 0U) &&
812 (Info_h.biBlueMask == 0U)) {
813 Info_h.biRedMask = 0xF800U;
814 Info_h.biGreenMask = 0x07E0U;
815 Info_h.biBlueMask = 0x001FU;
817 bmpmask16toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask,
818 Info_h.biBlueMask, Info_h.biAlphaMask);
820 opj_image_destroy(image);
823 "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
831 int imagetobmp(opj_image_t * image, const char *outfile)
836 int adjustR, adjustG, adjustB;
838 if (image->comps[0].prec < 8) {
839 fprintf(stderr, "imagetobmp: Unsupported precision: %d\n",
840 image->comps[0].prec);
843 if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
844 && image->comps[1].dx == image->comps[2].dx
845 && image->comps[0].dy == image->comps[1].dy
846 && image->comps[1].dy == image->comps[2].dy
847 && image->comps[0].prec == image->comps[1].prec
848 && image->comps[1].prec == image->comps[2].prec
849 && image->comps[0].sgnd == image->comps[1].sgnd
850 && image->comps[1].sgnd == image->comps[2].sgnd) {
852 /* -->> -->> -->> -->>
854 <<-- <<-- <<-- <<-- */
856 fdest = fopen(outfile, "wb");
858 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
862 w = (int)image->comps[0].w;
863 h = (int)image->comps[0].h;
865 fprintf(fdest, "BM");
869 fprintf(fdest, "%c%c%c%c",
870 (OPJ_UINT8)(h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
871 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff,
872 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff,
873 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff);
874 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
876 fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff, ((54) >> 16) & 0xff,
877 ((54) >> 24) & 0xff);
881 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff,
882 ((40) >> 24) & 0xff);
883 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((w) & 0xff),
884 (OPJ_UINT8)((w) >> 8) & 0xff,
885 (OPJ_UINT8)((w) >> 16) & 0xff,
886 (OPJ_UINT8)((w) >> 24) & 0xff);
887 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((h) & 0xff),
888 (OPJ_UINT8)((h) >> 8) & 0xff,
889 (OPJ_UINT8)((h) >> 16) & 0xff,
890 (OPJ_UINT8)((h) >> 24) & 0xff);
891 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
892 fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
893 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
895 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(3 * h * w + 3 * h * (w % 2)) & 0xff,
896 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
897 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
898 (OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
899 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
900 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
901 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
902 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
903 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
905 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
908 if (image->comps[0].prec > 8) {
909 adjustR = (int)image->comps[0].prec - 8;
910 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n",
911 image->comps[0].prec);
915 if (image->comps[1].prec > 8) {
916 adjustG = (int)image->comps[1].prec - 8;
917 printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n",
918 image->comps[1].prec);
922 if (image->comps[2].prec > 8) {
923 adjustB = (int)image->comps[2].prec - 8;
924 printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n",
925 image->comps[2].prec);
930 for (i = 0; i < w * h; i++) {
931 OPJ_UINT8 rc, gc, bc;
934 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
935 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
937 r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2));
946 g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
947 g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
949 g = ((g >> adjustG) + ((g >> (adjustG - 1)) % 2));
958 b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
959 b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
961 b = ((b >> adjustB) + ((b >> (adjustB - 1)) % 2));
970 fprintf(fdest, "%c%c%c", bc, gc, rc);
972 if ((i + 1) % w == 0) {
973 for (pad = ((3 * w) % 4) ? (4 - (3 * w) % 4) : 0; pad > 0; pad--) { /* ADD */
974 fprintf(fdest, "%c", 0);
979 } else { /* Gray-scale */
981 /* -->> -->> -->> -->>
982 8 bits non code (Gray scale)
983 <<-- <<-- <<-- <<-- */
985 fdest = fopen(outfile, "wb");
987 fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
990 if (image->numcomps > 1) {
991 fprintf(stderr, "imagetobmp: only first component of %d is used.\n",
994 w = (int)image->comps[0].w;
995 h = (int)image->comps[0].h;
997 fprintf(fdest, "BM");
1001 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(h * w + 54 + 1024 + h * (w % 2)) & 0xff,
1002 (OPJ_UINT8)((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
1003 (OPJ_UINT8)((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
1004 (OPJ_UINT8)((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
1005 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
1006 ((0) >> 24) & 0xff);
1007 fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
1008 ((54 + 1024) >> 16) & 0xff,
1009 ((54 + 1024) >> 24) & 0xff);
1013 fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff,
1014 ((40) >> 24) & 0xff);
1015 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((w) & 0xff),
1016 (OPJ_UINT8)((w) >> 8) & 0xff,
1017 (OPJ_UINT8)((w) >> 16) & 0xff,
1018 (OPJ_UINT8)((w) >> 24) & 0xff);
1019 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((h) & 0xff),
1020 (OPJ_UINT8)((h) >> 8) & 0xff,
1021 (OPJ_UINT8)((h) >> 16) & 0xff,
1022 (OPJ_UINT8)((h) >> 24) & 0xff);
1023 fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
1024 fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
1025 fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
1026 ((0) >> 24) & 0xff);
1027 fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(h * w + h * (w % 2)) & 0xff,
1028 (OPJ_UINT8)((h * w + h * (w % 2)) >> 8) & 0xff,
1029 (OPJ_UINT8)((h * w + h * (w % 2)) >> 16) & 0xff,
1030 (OPJ_UINT8)((h * w + h * (w % 2)) >> 24) & 0xff);
1031 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
1032 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1033 fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
1034 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
1035 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
1036 ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1037 fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
1038 ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
1040 if (image->comps[0].prec > 8) {
1041 adjustR = (int)image->comps[0].prec - 8;
1042 printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n",
1043 image->comps[0].prec);
1048 for (i = 0; i < 256; i++) {
1049 fprintf(fdest, "%c%c%c%c", i, i, i, 0);
1052 for (i = 0; i < w * h; i++) {
1055 r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
1056 r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
1058 r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2));
1066 fprintf(fdest, "%c", (OPJ_UINT8)r);
1068 if ((i + 1) % w == 0) {
1069 for (pad = (w % 4) ? (4 - w % 4) : 0; pad > 0; pad--) { /* ADD */
1070 fprintf(fdest, "%c", 0);