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  • Committer: Package Import Robot
  • Author(s): Marc Deslauriers
  • Date: 2015-03-30 08:11:18 UTC
  • Revision ID: package-import@ubuntu.com-20150330081118-bvaoaii1act27voq
Tags: 3.9.5-2ubuntu1.7
* SECURITY UPDATE: Fix multiple security issues
  - debian/patches/CVE-2014-81xx-1.patch to CVE-2014-81xx-11.patch
  - debian/patches/CVE-2014-8128-5.patch
  - debian/patches/CVE-2014-9655-1.patch to CVE-2014-9655-3.patch
  - debian/patches/read_overrun.patch
  - debian/patches/CVE-2014-8130.patch
  - CVE-2014-8127 (partially)
  - CVE-2014-8128
  - CVE-2014-8129
  - CVE-2014-8130
  - CVE-2014-9330
  - CVE-2014-9655

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1
/* $Id: bmp2tiff.c,v 1.20.2.1 2010-06-08 18:50:43 bfriesen Exp $
 
2
 *
 
3
 * Project:  libtiff tools
 
4
 * Purpose:  Convert Windows BMP files in TIFF.
 
5
 * Author:   Andrey Kiselev, dron@ak4719.spb.edu
 
6
 *
 
7
 ******************************************************************************
 
8
 * Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
 
9
 *
 
10
 * Permission to use, copy, modify, distribute, and sell this software and 
 
11
 * its documentation for any purpose is hereby granted without fee, provided
 
12
 * that (i) the above copyright notices and this permission notice appear in
 
13
 * all copies of the software and related documentation, and (ii) the names of
 
14
 * Sam Leffler and Silicon Graphics may not be used in any advertising or
 
15
 * publicity relating to the software without the specific, prior written
 
16
 * permission of Sam Leffler and Silicon Graphics.
 
17
 * 
 
18
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
 
19
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
 
20
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
 
21
 * 
 
22
 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 
23
 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 
24
 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 
25
 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
 
26
 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 
27
 * OF THIS SOFTWARE.
 
28
 */
 
29
 
 
30
#include "tif_config.h"
 
31
 
 
32
#include <stdio.h>
 
33
#include <stdlib.h>
 
34
#include <string.h>
 
35
#include <ctype.h>
 
36
#include <sys/types.h>
 
37
#include <sys/stat.h>
 
38
 
 
39
#ifdef HAVE_UNISTD_H
 
40
# include <unistd.h>
 
41
#endif
 
42
 
 
43
#if HAVE_FCNTL_H
 
44
# include <fcntl.h>
 
45
#endif
 
46
 
 
47
#if HAVE_SYS_TYPES_H
 
48
# include <sys/types.h>
 
49
#endif
 
50
 
 
51
#if HAVE_IO_H
 
52
# include <io.h>
 
53
#endif
 
54
 
 
55
#include "tiffio.h"
 
56
 
 
57
#ifndef O_BINARY
 
58
# define O_BINARY 0
 
59
#endif
 
60
 
 
61
enum BMPType
 
62
{
 
63
    BMPT_WIN4,      /* BMP used in Windows 3.0/NT 3.51/95 */
 
64
    BMPT_WIN5,      /* BMP used in Windows NT 4.0/98/Me/2000/XP */
 
65
    BMPT_OS21,      /* BMP used in OS/2 PM 1.x */
 
66
    BMPT_OS22       /* BMP used in OS/2 PM 2.x */
 
67
};
 
68
 
 
69
/*
 
70
 * Bitmap file consists of a BMPFileHeader structure followed by a
 
71
 * BMPInfoHeader structure. An array of BMPColorEntry structures (also called
 
72
 * a colour table) follows the bitmap information header structure. The colour
 
73
 * table is followed by a second array of indexes into the colour table (the
 
74
 * actual bitmap data). Data may be comressed, for 4-bpp and 8-bpp used RLE
 
75
 * compression.
 
76
 *
 
77
 * +---------------------+
 
78
 * | BMPFileHeader       |
 
79
 * +---------------------+
 
80
 * | BMPInfoHeader       |
 
81
 * +---------------------+
 
82
 * | BMPColorEntry array |
 
83
 * +---------------------+
 
84
 * | Colour-index array  |
 
85
 * +---------------------+
 
86
 *
 
87
 * All numbers stored in Intel order with least significant byte first.
 
88
 */
 
89
 
 
90
enum BMPComprMethod
 
91
{
 
92
    BMPC_RGB = 0L,          /* Uncompressed */
 
93
    BMPC_RLE8 = 1L,         /* RLE for 8 bpp images */
 
94
    BMPC_RLE4 = 2L,         /* RLE for 4 bpp images */
 
95
    BMPC_BITFIELDS = 3L,    /* Bitmap is not compressed and the colour table
 
96
                             * consists of three DWORD color masks that specify
 
97
                             * the red, green, and blue components of each
 
98
                             * pixel. This is valid when used with
 
99
                             * 16- and 32-bpp bitmaps. */
 
100
    BMPC_JPEG = 4L,         /* Indicates that the image is a JPEG image. */
 
101
    BMPC_PNG = 5L           /* Indicates that the image is a PNG image. */
 
102
};
 
103
 
 
104
enum BMPLCSType                 /* Type of logical color space. */
 
105
{
 
106
    BMPLT_CALIBRATED_RGB = 0,   /* This value indicates that endpoints and
 
107
                                 * gamma values are given in the appropriate
 
108
                                 * fields. */
 
109
    BMPLT_DEVICE_RGB = 1,
 
110
    BMPLT_DEVICE_CMYK = 2
 
111
};
 
112
 
 
113
typedef struct
 
114
{
 
115
    int32   iCIEX;
 
116
    int32   iCIEY;
 
117
    int32   iCIEZ;
 
118
} BMPCIEXYZ;
 
119
 
 
120
typedef struct                  /* This structure contains the x, y, and z */
 
121
{                               /* coordinates of the three colors that */
 
122
                                /* correspond */
 
123
    BMPCIEXYZ   iCIERed;        /* to the red, green, and blue endpoints for */
 
124
    BMPCIEXYZ   iCIEGreen;      /* a specified logical color space. */
 
125
    BMPCIEXYZ   iCIEBlue;
 
126
} BMPCIEXYZTriple;
 
127
 
 
128
typedef struct
 
129
{
 
130
    char        bType[2];       /* Signature "BM" */
 
131
    uint32      iSize;          /* Size in bytes of the bitmap file. Should
 
132
                                 * always be ignored while reading because
 
133
                                 * of error in Windows 3.0 SDK's description
 
134
                                 * of this field */
 
135
    uint16      iReserved1;     /* Reserved, set as 0 */
 
136
    uint16      iReserved2;     /* Reserved, set as 0 */
 
137
    uint32      iOffBits;       /* Offset of the image from file start in bytes */
 
138
} BMPFileHeader;
 
139
 
 
140
/* File header size in bytes: */
 
141
const int       BFH_SIZE = 14;
 
142
 
 
143
typedef struct
 
144
{
 
145
    uint32      iSize;          /* Size of BMPInfoHeader structure in bytes.
 
146
                                 * Should be used to determine start of the
 
147
                                 * colour table */
 
148
    int32       iWidth;         /* Image width */
 
149
    int32       iHeight;        /* Image height. If positive, image has bottom
 
150
                                 * left origin, if negative --- top left. */
 
151
    int16       iPlanes;        /* Number of image planes (must be set to 1) */
 
152
    int16       iBitCount;      /* Number of bits per pixel (1, 4, 8, 16, 24
 
153
                                 * or 32). If 0 then the number of bits per
 
154
                                 * pixel is specified or is implied by the
 
155
                                 * JPEG or PNG format. */
 
156
    uint32      iCompression;   /* Compression method */
 
157
    uint32      iSizeImage;     /* Size of uncomressed image in bytes. May
 
158
                                 * be 0 for BMPC_RGB bitmaps. If iCompression
 
159
                                 * is BI_JPEG or BI_PNG, iSizeImage indicates
 
160
                                 * the size of the JPEG or PNG image buffer. */
 
161
    int32       iXPelsPerMeter; /* X resolution, pixels per meter (0 if not used) */
 
162
    int32       iYPelsPerMeter; /* Y resolution, pixels per meter (0 if not used) */
 
163
    uint32      iClrUsed;       /* Size of colour table. If 0, iBitCount should
 
164
                                 * be used to calculate this value
 
165
                                 * (1<<iBitCount). This value should be
 
166
                                 * unsigned for proper shifting. */
 
167
    int32       iClrImportant;  /* Number of important colours. If 0, all
 
168
                                 * colours are required */
 
169
 
 
170
    /*
 
171
     * Fields above should be used for bitmaps, compatible with Windows NT 3.51
 
172
     * and earlier. Windows 98/Me, Windows 2000/XP introduces additional fields:
 
173
     */
 
174
 
 
175
    int32       iRedMask;       /* Colour mask that specifies the red component
 
176
                                 * of each pixel, valid only if iCompression
 
177
                                 * is set to BI_BITFIELDS. */
 
178
    int32       iGreenMask;     /* The same for green component */
 
179
    int32       iBlueMask;      /* The same for blue component */
 
180
    int32       iAlphaMask;     /* Colour mask that specifies the alpha
 
181
                                 * component of each pixel. */
 
182
    uint32      iCSType;        /* Colour space of the DIB. */
 
183
    BMPCIEXYZTriple sEndpoints; /* This member is ignored unless the iCSType
 
184
                                 * member specifies BMPLT_CALIBRATED_RGB. */
 
185
    int32       iGammaRed;      /* Toned response curve for red. This member
 
186
                                 * is ignored unless color values are
 
187
                                 * calibrated RGB values and iCSType is set to
 
188
                                 * BMPLT_CALIBRATED_RGB. Specified
 
189
                                 * in 16^16 format. */
 
190
    int32       iGammaGreen;    /* Toned response curve for green. */
 
191
    int32       iGammaBlue;     /* Toned response curve for blue. */
 
192
} BMPInfoHeader;
 
193
 
 
194
/*
 
195
 * Info header size in bytes:
 
196
 */
 
197
const unsigned int  BIH_WIN4SIZE = 40; /* for BMPT_WIN4 */
 
198
const unsigned int  BIH_WIN5SIZE = 57; /* for BMPT_WIN5 */
 
199
const unsigned int  BIH_OS21SIZE = 12; /* for BMPT_OS21 */
 
200
const unsigned int  BIH_OS22SIZE = 64; /* for BMPT_OS22 */
 
201
 
 
202
/*
 
203
 * We will use plain byte array instead of this structure, but declaration
 
204
 * provided for reference
 
205
 */
 
206
typedef struct
 
207
{
 
208
    char       bBlue;
 
209
    char       bGreen;
 
210
    char       bRed;
 
211
    char       bReserved;      /* Must be 0 */
 
212
} BMPColorEntry;
 
213
 
 
214
static  uint16 compression = (uint16) -1;
 
215
static  int jpegcolormode = JPEGCOLORMODE_RGB;
 
216
static  int quality = 75;               /* JPEG quality */
 
217
static  uint16 predictor = 0;
 
218
 
 
219
static void usage(void);
 
220
static int processCompressOptions(char*);
 
221
static void rearrangePixels(char *, uint32, uint32);
 
222
 
 
223
int
 
224
main(int argc, char* argv[])
 
225
{
 
226
        uint32  width, length;
 
227
        uint16  nbands = 1;             /* number of bands in input image */
 
228
        uint16  depth = 8;              /* bits per pixel in input image */
 
229
        uint32  rowsperstrip = (uint32) -1;
 
230
        uint16  photometric = PHOTOMETRIC_MINISBLACK;
 
231
        int     fd = 0;
 
232
        struct stat instat;
 
233
        char    *outfilename = NULL, *infilename = NULL;
 
234
        TIFF    *out = NULL;
 
235
 
 
236
        BMPFileHeader file_hdr;
 
237
        BMPInfoHeader info_hdr;
 
238
        int     bmp_type;
 
239
        uint32  clr_tbl_size, n_clr_elems = 3;
 
240
        unsigned char *clr_tbl;
 
241
        unsigned short *red_tbl = NULL, *green_tbl = NULL, *blue_tbl = NULL;
 
242
        uint32  row, clr;
 
243
 
 
244
        int     c;
 
245
        extern int optind;
 
246
        extern char* optarg;
 
247
 
 
248
        while ((c = getopt(argc, argv, "c:r:o:h")) != -1) {
 
249
                switch (c) {
 
250
                case 'c':               /* compression scheme */
 
251
                        if (!processCompressOptions(optarg))
 
252
                                usage();
 
253
                        break;
 
254
                case 'r':               /* rows/strip */
 
255
                        rowsperstrip = atoi(optarg);
 
256
                        break;
 
257
                case 'o':
 
258
                        outfilename = optarg;
 
259
                        break;
 
260
                case 'h':
 
261
                        usage();
 
262
                default:
 
263
                        break;
 
264
                }
 
265
        }
 
266
 
 
267
        if (argc - optind < 2)
 
268
                usage();
 
269
 
 
270
        if (outfilename == NULL)
 
271
                outfilename = argv[argc-1];
 
272
        out = TIFFOpen(outfilename, "w");
 
273
        if (out == NULL) {
 
274
                TIFFError(infilename, "Cannot open file %s for output",
 
275
                          outfilename);
 
276
                goto bad3;
 
277
        }
 
278
        
 
279
 
 
280
        while (optind < argc-1) {
 
281
                infilename = argv[optind];
 
282
                optind++;
 
283
            
 
284
                fd = open(infilename, O_RDONLY|O_BINARY, 0);
 
285
                if (fd < 0) {
 
286
                        TIFFError(infilename, "Cannot open input file");
 
287
                        return -1;
 
288
                }
 
289
 
 
290
                read(fd, file_hdr.bType, 2);
 
291
                if(file_hdr.bType[0] != 'B' || file_hdr.bType[1] != 'M') {
 
292
                        TIFFError(infilename, "File is not BMP");
 
293
                        goto bad;
 
294
                }
 
295
 
 
296
/* -------------------------------------------------------------------- */
 
297
/*      Read the BMPFileHeader. We need iOffBits value only             */
 
298
/* -------------------------------------------------------------------- */
 
299
                lseek(fd, 10, SEEK_SET);
 
300
                read(fd, &file_hdr.iOffBits, 4);
 
301
#ifdef WORDS_BIGENDIAN
 
302
                TIFFSwabLong(&file_hdr.iOffBits);
 
303
#endif
 
304
                fstat(fd, &instat);
 
305
                file_hdr.iSize = instat.st_size;
 
306
 
 
307
/* -------------------------------------------------------------------- */
 
308
/*      Read the BMPInfoHeader.                                         */
 
309
/* -------------------------------------------------------------------- */
 
310
 
 
311
                lseek(fd, BFH_SIZE, SEEK_SET);
 
312
                read(fd, &info_hdr.iSize, 4);
 
313
#ifdef WORDS_BIGENDIAN
 
314
                TIFFSwabLong(&info_hdr.iSize);
 
315
#endif
 
316
 
 
317
                if (info_hdr.iSize == BIH_WIN4SIZE)
 
318
                        bmp_type = BMPT_WIN4;
 
319
                else if (info_hdr.iSize == BIH_OS21SIZE)
 
320
                        bmp_type = BMPT_OS21;
 
321
                else if (info_hdr.iSize == BIH_OS22SIZE
 
322
                         || info_hdr.iSize == 16)
 
323
                        bmp_type = BMPT_OS22;
 
324
                else
 
325
                        bmp_type = BMPT_WIN5;
 
326
 
 
327
                if (bmp_type == BMPT_WIN4
 
328
                    || bmp_type == BMPT_WIN5
 
329
                    || bmp_type == BMPT_OS22) {
 
330
                        read(fd, &info_hdr.iWidth, 4);
 
331
                        read(fd, &info_hdr.iHeight, 4);
 
332
                        read(fd, &info_hdr.iPlanes, 2);
 
333
                        read(fd, &info_hdr.iBitCount, 2);
 
334
                        read(fd, &info_hdr.iCompression, 4);
 
335
                        read(fd, &info_hdr.iSizeImage, 4);
 
336
                        read(fd, &info_hdr.iXPelsPerMeter, 4);
 
337
                        read(fd, &info_hdr.iYPelsPerMeter, 4);
 
338
                        read(fd, &info_hdr.iClrUsed, 4);
 
339
                        read(fd, &info_hdr.iClrImportant, 4);
 
340
#ifdef WORDS_BIGENDIAN
 
341
                        TIFFSwabLong((uint32*) &info_hdr.iWidth);
 
342
                        TIFFSwabLong((uint32*) &info_hdr.iHeight);
 
343
                        TIFFSwabShort((uint16*) &info_hdr.iPlanes);
 
344
                        TIFFSwabShort((uint16*) &info_hdr.iBitCount);
 
345
                        TIFFSwabLong((uint32*) &info_hdr.iCompression);
 
346
                        TIFFSwabLong((uint32*) &info_hdr.iSizeImage);
 
347
                        TIFFSwabLong((uint32*) &info_hdr.iXPelsPerMeter);
 
348
                        TIFFSwabLong((uint32*) &info_hdr.iYPelsPerMeter);
 
349
                        TIFFSwabLong((uint32*) &info_hdr.iClrUsed);
 
350
                        TIFFSwabLong((uint32*) &info_hdr.iClrImportant);
 
351
#endif
 
352
                        n_clr_elems = 4;
 
353
                }
 
354
 
 
355
                if (bmp_type == BMPT_OS22) {
 
356
                        /* 
 
357
                         * FIXME: different info in different documents
 
358
                         * regarding this!
 
359
                         */
 
360
                         n_clr_elems = 3;
 
361
                }
 
362
 
 
363
                if (bmp_type == BMPT_OS21) {
 
364
                        int16  iShort;
 
365
 
 
366
                        read(fd, &iShort, 2);
 
367
#ifdef WORDS_BIGENDIAN
 
368
                        TIFFSwabShort((uint16*) &iShort);
 
369
#endif
 
370
                        info_hdr.iWidth = iShort;
 
371
                        read(fd, &iShort, 2);
 
372
#ifdef WORDS_BIGENDIAN
 
373
                        TIFFSwabShort((uint16*) &iShort);
 
374
#endif
 
375
                        info_hdr.iHeight = iShort;
 
376
                        read(fd, &iShort, 2);
 
377
#ifdef WORDS_BIGENDIAN
 
378
                        TIFFSwabShort((uint16*) &iShort);
 
379
#endif
 
380
                        info_hdr.iPlanes = iShort;
 
381
                        read(fd, &iShort, 2);
 
382
#ifdef WORDS_BIGENDIAN
 
383
                        TIFFSwabShort((uint16*) &iShort);
 
384
#endif
 
385
                        info_hdr.iBitCount = iShort;
 
386
                        info_hdr.iCompression = BMPC_RGB;
 
387
                        n_clr_elems = 3;
 
388
                }
 
389
 
 
390
                if (info_hdr.iBitCount != 1  && info_hdr.iBitCount != 4  &&
 
391
                    info_hdr.iBitCount != 8  && info_hdr.iBitCount != 16 &&
 
392
                    info_hdr.iBitCount != 24 && info_hdr.iBitCount != 32) {
 
393
                    TIFFError(infilename,
 
394
                              "Cannot process BMP file with bit count %d",
 
395
                              info_hdr.iBitCount);
 
396
                    close(fd);
 
397
                    return 0;
 
398
                }
 
399
 
 
400
                width = info_hdr.iWidth;
 
401
                length = (info_hdr.iHeight > 0) ? info_hdr.iHeight : -info_hdr.iHeight;
 
402
 
 
403
                switch (info_hdr.iBitCount)
 
404
                {
 
405
                        case 1:
 
406
                        case 4:
 
407
                        case 8:
 
408
                                nbands = 1;
 
409
                                depth = info_hdr.iBitCount;
 
410
                                photometric = PHOTOMETRIC_PALETTE;
 
411
                                /* Allocate memory for colour table and read it. */
 
412
                                if (info_hdr.iClrUsed)
 
413
                                    clr_tbl_size =
 
414
                                            ((uint32)(1<<depth)<info_hdr.iClrUsed)
 
415
                                            ? (uint32) (1 << depth)
 
416
                                            : info_hdr.iClrUsed;
 
417
                                else
 
418
                                    clr_tbl_size = 1 << depth;
 
419
                                clr_tbl = (unsigned char *)
 
420
                                        _TIFFmalloc(n_clr_elems * clr_tbl_size);
 
421
                                if (!clr_tbl) {
 
422
                                        TIFFError(infilename,
 
423
                                        "Can't allocate space for color table");
 
424
                                        goto bad;
 
425
                                }
 
426
 
 
427
                                lseek(fd, BFH_SIZE + info_hdr.iSize, SEEK_SET);
 
428
                                read(fd, clr_tbl, n_clr_elems * clr_tbl_size);
 
429
 
 
430
                                red_tbl = (unsigned short*)
 
431
                                        _TIFFmalloc(1<<depth * sizeof(unsigned short));
 
432
                                if (!red_tbl) {
 
433
                                        TIFFError(infilename,
 
434
                                "Can't allocate space for red component table");
 
435
                                        _TIFFfree(clr_tbl);
 
436
                                        goto bad1;
 
437
                                }
 
438
                                green_tbl = (unsigned short*)
 
439
                                        _TIFFmalloc(1<<depth * sizeof(unsigned short));
 
440
                                if (!green_tbl) {
 
441
                                        TIFFError(infilename,
 
442
                                "Can't allocate space for green component table");
 
443
                                        _TIFFfree(clr_tbl);
 
444
                                        goto bad2;
 
445
                                }
 
446
                                blue_tbl = (unsigned short*)
 
447
                                        _TIFFmalloc(1<<depth * sizeof(unsigned short));
 
448
                                if (!blue_tbl) {
 
449
                                        TIFFError(infilename,
 
450
                                "Can't allocate space for blue component table");
 
451
                                        _TIFFfree(clr_tbl);
 
452
                                        goto bad3;
 
453
                                }
 
454
 
 
455
                                for(clr = 0; clr < clr_tbl_size; clr++) {
 
456
                                    red_tbl[clr] = 257*clr_tbl[clr*n_clr_elems+2];
 
457
                                    green_tbl[clr] = 257*clr_tbl[clr*n_clr_elems+1];
 
458
                                    blue_tbl[clr] = 257*clr_tbl[clr*n_clr_elems];
 
459
                                }
 
460
 
 
461
                                _TIFFfree(clr_tbl);
 
462
                                break;
 
463
                        case 16:
 
464
                        case 24:
 
465
                                nbands = 3;
 
466
                                depth = info_hdr.iBitCount / nbands;
 
467
                                photometric = PHOTOMETRIC_RGB;
 
468
                                break;
 
469
                        case 32:
 
470
                                nbands = 3;
 
471
                                depth = 8;
 
472
                                photometric = PHOTOMETRIC_RGB;
 
473
                                break;
 
474
                        default:
 
475
                                break;
 
476
                }
 
477
 
 
478
/* -------------------------------------------------------------------- */
 
479
/*  Create output file.                                                 */
 
480
/* -------------------------------------------------------------------- */
 
481
 
 
482
                TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width);
 
483
                TIFFSetField(out, TIFFTAG_IMAGELENGTH, length);
 
484
                TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
 
485
                TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, nbands);
 
486
                TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, depth);
 
487
                TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
 
488
                TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
 
489
                TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
 
490
                             TIFFDefaultStripSize(out, rowsperstrip));
 
491
                
 
492
                if (red_tbl && green_tbl && blue_tbl) {
 
493
                        TIFFSetField(out, TIFFTAG_COLORMAP,
 
494
                                     red_tbl, green_tbl, blue_tbl);
 
495
                }
 
496
                
 
497
                if (compression == (uint16) -1)
 
498
                        compression = COMPRESSION_PACKBITS;
 
499
                TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
 
500
                switch (compression) {
 
501
                case COMPRESSION_JPEG:
 
502
                        if (photometric == PHOTOMETRIC_RGB
 
503
                            && jpegcolormode == JPEGCOLORMODE_RGB)
 
504
                                photometric = PHOTOMETRIC_YCBCR;
 
505
                        TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
 
506
                        TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
 
507
                        break;
 
508
                case COMPRESSION_LZW:
 
509
                case COMPRESSION_DEFLATE:
 
510
                        if (predictor != 0)
 
511
                                TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
 
512
                        break;
 
513
                }
 
514
 
 
515
/* -------------------------------------------------------------------- */
 
516
/*  Read uncompressed image data.                                       */
 
517
/* -------------------------------------------------------------------- */
 
518
 
 
519
                if (info_hdr.iCompression == BMPC_RGB) {
 
520
                        uint32 offset, size;
 
521
                        char *scanbuf;
 
522
 
 
523
                        /* XXX: Avoid integer overflow. We can calculate size
 
524
                         * in one step using
 
525
                         *
 
526
                         *  size = ((width * info_hdr.iBitCount + 31) & ~31) / 8
 
527
                         *
 
528
                         * formulae, but we should check for overflow
 
529
                         * conditions during calculation.
 
530
                         */
 
531
                        size = width * info_hdr.iBitCount + 31;
 
532
                        if (!width || !info_hdr.iBitCount
 
533
                            || (size - 31) / info_hdr.iBitCount != width ) {
 
534
                                TIFFError(infilename,
 
535
                                          "Wrong image parameters; can't "
 
536
                                          "allocate space for scanline buffer");
 
537
                                goto bad3;
 
538
                        }
 
539
                        size = (size & ~31) / 8;
 
540
 
 
541
                        scanbuf = (char *) _TIFFmalloc(size);
 
542
                        if (!scanbuf) {
 
543
                                TIFFError(infilename,
 
544
                                "Can't allocate space for scanline buffer");
 
545
                                goto bad3;
 
546
                        }
 
547
 
 
548
                        for (row = 0; row < length; row++) {
 
549
                                if (info_hdr.iHeight > 0)
 
550
                                        offset = file_hdr.iOffBits+(length-row-1)*size;
 
551
                                else
 
552
                                        offset = file_hdr.iOffBits + row * size;
 
553
                                if (lseek(fd, offset, SEEK_SET) == (off_t)-1) {
 
554
                                        TIFFError(infilename,
 
555
                                                  "scanline %lu: Seek error",
 
556
                                                  (unsigned long) row);
 
557
                                        break;
 
558
                                }
 
559
 
 
560
                                if (read(fd, scanbuf, size) < 0) {
 
561
                                        TIFFError(infilename,
 
562
                                                  "scanline %lu: Read error",
 
563
                                                  (unsigned long) row);
 
564
                                        break;
 
565
                                }
 
566
 
 
567
                                rearrangePixels(scanbuf, width, info_hdr.iBitCount);
 
568
 
 
569
                                if (TIFFWriteScanline(out, scanbuf, row, 0)<0) {
 
570
                                        TIFFError(infilename,
 
571
                                                  "scanline %lu: Write error",
 
572
                                                  (unsigned long) row);
 
573
                                        break;
 
574
                                }
 
575
                        }
 
576
 
 
577
                        _TIFFfree(scanbuf);
 
578
 
 
579
/* -------------------------------------------------------------------- */
 
580
/*  Read compressed image data.                                         */
 
581
/* -------------------------------------------------------------------- */
 
582
 
 
583
                } else if ( info_hdr.iCompression == BMPC_RLE8
 
584
                            || info_hdr.iCompression == BMPC_RLE4 ) {
 
585
                        uint32          i, j, k, runlength;
 
586
                        uint32          compr_size, uncompr_size;
 
587
                        unsigned char   *comprbuf;
 
588
                        unsigned char   *uncomprbuf;
 
589
 
 
590
                        compr_size = file_hdr.iSize - file_hdr.iOffBits;
 
591
                        uncompr_size = width * length;
 
592
                        comprbuf = (unsigned char *) _TIFFmalloc( compr_size );
 
593
                        if (!comprbuf) {
 
594
                                TIFFError(infilename,
 
595
                        "Can't allocate space for compressed scanline buffer");
 
596
                                goto bad3;
 
597
                        }
 
598
                        uncomprbuf = (unsigned char *)_TIFFmalloc(uncompr_size);
 
599
                        if (!uncomprbuf) {
 
600
                                TIFFError(infilename,
 
601
                        "Can't allocate space for uncompressed scanline buffer");
 
602
                                goto bad3;
 
603
                        }
 
604
 
 
605
                        lseek(fd, file_hdr.iOffBits, SEEK_SET);
 
606
                        read(fd, comprbuf, compr_size);
 
607
                        i = 0;
 
608
                        j = 0;
 
609
                        if (info_hdr.iBitCount == 8) {          /* RLE8 */
 
610
                            while(j < uncompr_size && i < compr_size) {
 
611
                                if ( comprbuf[i] ) {
 
612
                                    runlength = comprbuf[i++];
 
613
                                    while( runlength > 0
 
614
                                           && j < uncompr_size
 
615
                                           && i < compr_size ) {
 
616
                                        uncomprbuf[j++] = comprbuf[i];
 
617
                                        runlength--;
 
618
                                    }
 
619
                                    i++;
 
620
                                } else {
 
621
                                    i++;
 
622
                                    if (comprbuf[i] == 0) /* Next scanline */
 
623
                                        i++;
 
624
                                    else if (comprbuf[i] == 1) /* End of image */
 
625
                                        break;
 
626
                                    else if (comprbuf[i] == 2) { /* Move to... */
 
627
                                        i++;
 
628
                                        if (i < compr_size - 1) {
 
629
                                            j+=comprbuf[i]+comprbuf[i+1]*width;
 
630
                                            i += 2;
 
631
                                        }
 
632
                                        else
 
633
                                            break;
 
634
                                    } else {            /* Absolute mode */
 
635
                                        runlength = comprbuf[i++];
 
636
                                        for (k = 0; k < runlength && j < uncompr_size && i < compr_size; k++)
 
637
                                            uncomprbuf[j++] = comprbuf[i++];
 
638
                                        if ( k & 0x01 )
 
639
                                            i++;
 
640
                                    }
 
641
                                }
 
642
                            }
 
643
                        }
 
644
                        else {                              /* RLE4 */
 
645
                            while( j < uncompr_size && i < compr_size ) {
 
646
                                if ( comprbuf[i] ) {
 
647
                                    runlength = comprbuf[i++];
 
648
                                    while( runlength > 0 && j < uncompr_size && i < compr_size ) {
 
649
                                        if ( runlength & 0x01 )
 
650
                                            uncomprbuf[j++] = (comprbuf[i] & 0xF0) >> 4;
 
651
                                        else
 
652
                                            uncomprbuf[j++] = comprbuf[i] & 0x0F;
 
653
                                        runlength--;
 
654
                                    }
 
655
                                    i++;
 
656
                                } else {
 
657
                                    i++;
 
658
                                    if (comprbuf[i] == 0) /* Next scanline */
 
659
                                        i++;
 
660
                                    else if (comprbuf[i] == 1) /* End of image */
 
661
                                        break;
 
662
                                    else if (comprbuf[i] == 2) { /* Move to... */
 
663
                                        i++;
 
664
                                        if (i < compr_size - 1) {
 
665
                                            j+=comprbuf[i]+comprbuf[i+1]*width;
 
666
                                            i += 2;
 
667
                                        }
 
668
                                        else
 
669
                                            break;
 
670
                                    } else {            /* Absolute mode */
 
671
                                        runlength = comprbuf[i++];
 
672
                                        for (k = 0; k < runlength && j < uncompr_size && i < compr_size; k++) {
 
673
                                            if (k & 0x01)
 
674
                                                uncomprbuf[j++] = comprbuf[i++] & 0x0F;
 
675
                                            else
 
676
                                                uncomprbuf[j++] = (comprbuf[i] & 0xF0) >> 4;
 
677
                                        }
 
678
                                        if (k & 0x01)
 
679
                                            i++;
 
680
                                    }
 
681
                                }
 
682
                            }
 
683
                        }
 
684
 
 
685
                        _TIFFfree(comprbuf);
 
686
 
 
687
                        for (row = 0; row < length; row++) {
 
688
                                if (TIFFWriteScanline(out,
 
689
                                        uncomprbuf + (length - row - 1) * width,
 
690
                                        row, 0) < 0) {
 
691
                                        TIFFError(infilename,
 
692
                                                "scanline %lu: Write error.\n",
 
693
                                                  (unsigned long) row);
 
694
                                }
 
695
                        }
 
696
 
 
697
                        _TIFFfree(uncomprbuf);
 
698
                }
 
699
                TIFFWriteDirectory(out);
 
700
                if (blue_tbl) {
 
701
                  _TIFFfree(blue_tbl);
 
702
                  blue_tbl=NULL;
 
703
                }
 
704
                if (green_tbl) {
 
705
                  _TIFFfree(green_tbl);
 
706
                  green_tbl=NULL;
 
707
                }
 
708
                if (red_tbl) {
 
709
                  _TIFFfree(red_tbl);
 
710
                  red_tbl=NULL;
 
711
                }
 
712
        }
 
713
 
 
714
bad3:
 
715
        if (blue_tbl)
 
716
                _TIFFfree(blue_tbl);
 
717
bad2:
 
718
        if (green_tbl)
 
719
                _TIFFfree(green_tbl);
 
720
bad1:
 
721
        if (red_tbl)
 
722
                _TIFFfree(red_tbl);
 
723
bad:
 
724
        close(fd);
 
725
 
 
726
        if (out)
 
727
                TIFFClose(out);
 
728
        return 0;
 
729
}
 
730
 
 
731
/*
 
732
 * Image data in BMP file stored in BGR (or ABGR) format. We should rearrange
 
733
 * pixels to RGB (RGBA) format.
 
734
 */
 
735
static void
 
736
rearrangePixels(char *buf, uint32 width, uint32 bit_count)
 
737
{
 
738
        char tmp;
 
739
        uint32 i;
 
740
 
 
741
        switch(bit_count) {
 
742
                case 16:    /* FIXME: need a sample file */
 
743
                        break;
 
744
                case 24:
 
745
                        for (i = 0; i < width; i++, buf += 3) {
 
746
                                tmp = *buf;
 
747
                                *buf = *(buf + 2);
 
748
                                *(buf + 2) = tmp;
 
749
                        }
 
750
                        break;
 
751
                case 32:
 
752
                        {
 
753
                                char    *buf1 = buf;
 
754
 
 
755
                                for (i = 0; i < width; i++, buf += 4) {
 
756
                                        tmp = *buf;
 
757
                                        *buf1++ = *(buf + 2);
 
758
                                        *buf1++ = *(buf + 1);
 
759
                                        *buf1++ = tmp;
 
760
                                }
 
761
                        }
 
762
                        break;
 
763
                default:
 
764
                        break;
 
765
        }
 
766
}
 
767
 
 
768
static int
 
769
processCompressOptions(char* opt)
 
770
{
 
771
        if (strcmp(opt, "none") == 0)
 
772
                compression = COMPRESSION_NONE;
 
773
        else if (strcmp(opt, "packbits") == 0)
 
774
                compression = COMPRESSION_PACKBITS;
 
775
        else if (strncmp(opt, "jpeg", 4) == 0) {
 
776
                char* cp = strchr(opt, ':');
 
777
 
 
778
                compression = COMPRESSION_JPEG;
 
779
                while( cp )
 
780
                {
 
781
                    if (isdigit((int)cp[1]))
 
782
                        quality = atoi(cp+1);
 
783
                    else if (cp[1] == 'r' )
 
784
                        jpegcolormode = JPEGCOLORMODE_RAW;
 
785
                    else
 
786
                        usage();
 
787
 
 
788
                    cp = strchr(cp+1,':');
 
789
                }
 
790
        } else if (strncmp(opt, "lzw", 3) == 0) {
 
791
                char* cp = strchr(opt, ':');
 
792
                if (cp)
 
793
                        predictor = atoi(cp+1);
 
794
                compression = COMPRESSION_LZW;
 
795
        } else if (strncmp(opt, "zip", 3) == 0) {
 
796
                char* cp = strchr(opt, ':');
 
797
                if (cp)
 
798
                        predictor = atoi(cp+1);
 
799
                compression = COMPRESSION_DEFLATE;
 
800
        } else
 
801
                return (0);
 
802
        return (1);
 
803
}
 
804
 
 
805
static char* stuff[] = {
 
806
"bmp2tiff --- convert Windows BMP files to TIFF",
 
807
"usage: bmp2tiff [options] input.bmp [input2.bmp ...] output.tif",
 
808
"where options are:",
 
809
" -r #          make each strip have no more than # rows",
 
810
"",
 
811
" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
 
812
" -c zip[:opts] compress output with deflate encoding",
 
813
" -c jpeg[:opts]compress output with JPEG encoding",
 
814
" -c packbits   compress output with packbits encoding",
 
815
" -c none       use no compression algorithm on output",
 
816
"",
 
817
"JPEG options:",
 
818
" #             set compression quality level (0-100, default 75)",
 
819
" r             output color image as RGB rather than YCbCr",
 
820
"For example, -c jpeg:r:50 to get JPEG-encoded RGB data with 50% comp. quality",
 
821
"",
 
822
"LZW and deflate options:",
 
823
" #             set predictor value",
 
824
"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
 
825
" -o out.tif    write output to out.tif",
 
826
" -h            this help message",
 
827
NULL
 
828
};
 
829
 
 
830
static void
 
831
usage(void)
 
832
{
 
833
        char buf[BUFSIZ];
 
834
        int i;
 
835
 
 
836
        setbuf(stderr, buf);
 
837
        fprintf(stderr, "%s\n\n", TIFFGetVersion());
 
838
        for (i = 0; stuff[i] != NULL; i++)
 
839
                fprintf(stderr, "%s\n", stuff[i]);
 
840
        exit(-1);
 
841
}
 
842
 
 
843
/* vim: set ts=8 sts=8 sw=8 noet: */
 
844
/*
 
845
 * Local Variables:
 
846
 * mode: c
 
847
 * c-basic-offset: 8
 
848
 * fill-column: 78
 
849
 * End:
 
850
 */