src/tiff/tools/sgi2tiff.c

   1 /* $Id$ */
   2
   3 /*
   4  * Copyright (c) 1991-1997 Sam Leffler
   5  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
   6  *
   7  * Permission to use, copy, modify, distribute, and sell this software and
   8  * its documentation for any purpose is hereby granted without fee, provided
   9  * that (i) the above copyright notices and this permission notice appear in
  10  * all copies of the software and related documentation, and (ii) the names of
  11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
  12  * publicity relating to the software without the specific, prior written
  13  * permission of Sam Leffler and Silicon Graphics.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  18  *
  19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  24  * OF THIS SOFTWARE.
  25  */
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <gl/image.h>
  31 #include <ctype.h>
  32
  33 #include "tiffio.h"
  34
  35 #define streq(a,b)      (strcmp(a,b) == 0)
  36 #define strneq(a,b,n)   (strncmp(a,b,n) == 0)
  37
  38 static  short config = PLANARCONFIG_CONTIG;
  39 static  uint16 compression = COMPRESSION_PACKBITS;
  40 static  uint16 predictor = 0;
  41 static  uint16 fillorder = 0;
  42 static  uint32 rowsperstrip = (uint32) -1;
  43 static  int jpegcolormode = JPEGCOLORMODE_RGB;
  44 static  int quality = 75;               /* JPEG quality */
  45 static  uint16 photometric;
  46
  47 static  void usage(void);
  48 static  int cpContig(IMAGE*, TIFF*);
  49 static  int cpSeparate(IMAGE*, TIFF*);
  50 static  int processCompressOptions(char*);
  51
  52 /* XXX image library has no prototypes */
  53 extern  IMAGE* iopen(const char*, const char*);
  54 extern  void iclose(IMAGE*);
  55 extern  void getrow(IMAGE*, short*, int, int);
  56
  57 int
  58 main(int argc, char* argv[])
  59 {
  60         IMAGE *in;
  61         TIFF *out;
  62         int c;
  63         extern int optind;
  64         extern char* optarg;
  65
  66         while ((c = getopt(argc, argv, "c:p:r:")) != -1)
  67                 switch (c) {
  68                 case 'c':               /* compression scheme */
  69                         if (!processCompressOptions(optarg))
  70                                 usage();
  71                         break;
  72                 case 'f':               /* fill order */
  73                         if (streq(optarg, "lsb2msb"))
  74                                 fillorder = FILLORDER_LSB2MSB;
  75                         else if (streq(optarg, "msb2lsb"))
  76                                 fillorder = FILLORDER_MSB2LSB;
  77                         else
  78                                 usage();
  79                         break;
  80                 case 'p':               /* planar configuration */
  81                         if (streq(optarg, "separate"))
  82                                 config = PLANARCONFIG_SEPARATE;
  83                         else if (streq(optarg, "contig"))
  84                                 config = PLANARCONFIG_CONTIG;
  85                         else
  86                                 usage();
  87                         break;
  88                 case 'r':               /* rows/strip */
  89                         rowsperstrip = atoi(optarg);
  90                         break;
  91                 case '?':
  92                         usage();
  93                         /*NOTREACHED*/
  94                 }
  95         if (argc - optind != 2)
  96                 usage();
  97         in = iopen(argv[optind], "r");
  98         if (in == NULL)
  99                 return (-1);
 100         out = TIFFOpen(argv[optind+1], "w");
 101         if (out == NULL)
 102                 return (-2);
 103         TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) in->xsize);
 104         TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) in->ysize);
 105         TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 8);
 106         TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
 107         if (in->zsize == 1)
 108                 photometric = PHOTOMETRIC_MINISBLACK;
 109         else
 110                 photometric = PHOTOMETRIC_RGB;
 111         switch (compression) {
 112         case COMPRESSION_JPEG:
 113                 if (photometric == PHOTOMETRIC_RGB && jpegcolormode == JPEGCOLORMODE_RGB)
 114                         photometric = PHOTOMETRIC_YCBCR;
 115                 TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
 116                 TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
 117                 break;
 118         case COMPRESSION_LZW:
 119         case COMPRESSION_DEFLATE:
 120                 if (predictor != 0)
 121                         TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
 122                 break;
 123         }
 124         TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
 125         if (fillorder != 0)
 126                 TIFFSetField(out, TIFFTAG_FILLORDER, fillorder);
 127         TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
 128         TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, in->zsize);
 129         if (in->zsize > 3) {
 130             uint16 v[1];
 131             v[0] = EXTRASAMPLE_UNASSALPHA;
 132             TIFFSetField(out, TIFFTAG_EXTRASAMPLES, 1, v);
 133         }
 134         TIFFSetField(out, TIFFTAG_MINSAMPLEVALUE, (uint16) in->min);
 135         TIFFSetField(out, TIFFTAG_MAXSAMPLEVALUE, (uint16) in->max);
 136         TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
 137         if (config != PLANARCONFIG_SEPARATE)
 138                 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
 139                     TIFFDefaultStripSize(out, rowsperstrip));
 140         else                    /* force 1 row/strip for library limitation */
 141                 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, 1L);
 142         if (in->name[0] != '\0')
 143                 TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, in->name);
 144         if (config == PLANARCONFIG_CONTIG)
 145                 cpContig(in, out);
 146         else
 147                 cpSeparate(in, out);
 148         (void) iclose(in);
 149         (void) TIFFClose(out);
 150         return (0);
 151 }
 152
 153 static int
 154 processCompressOptions(char* opt)
 155 {
 156         if (streq(opt, "none"))
 157                 compression = COMPRESSION_NONE;
 158         else if (streq(opt, "packbits"))
 159                 compression = COMPRESSION_PACKBITS;
 160         else if (strneq(opt, "jpeg", 4)) {
 161                 char* cp = strchr(opt, ':');
 162
 163                 defcompression = COMPRESSION_JPEG;
 164                 while( cp )
 165                 {
 166                     if (isdigit((int)cp[1]))
 167                         quality = atoi(cp+1);
 168                     else if (cp[1] == 'r' )
 169                         jpegcolormode = JPEGCOLORMODE_RAW;
 170                     else
 171                         usage();
 172
 173                     cp = strchr(cp+1,':');
 174                 }
 175         } else if (strneq(opt, "lzw", 3)) {
 176                 char* cp = strchr(opt, ':');
 177                 if (cp)
 178                         predictor = atoi(cp+1);
 179                 compression = COMPRESSION_LZW;
 180         } else if (strneq(opt, "zip", 3)) {
 181                 char* cp = strchr(opt, ':');
 182                 if (cp)
 183                         predictor = atoi(cp+1);
 184                 compression = COMPRESSION_DEFLATE;
 185         } else
 186                 return (0);
 187         return (1);
 188 }
 189
 190 static int
 191 cpContig(IMAGE* in, TIFF* out)
 192 {
 193         tdata_t buf = _TIFFmalloc(TIFFScanlineSize(out));
 194         short *r = NULL;
 195         int x, y;
 196
 197         if (in->zsize == 3) {
 198                 short *g, *b;
 199
 200                 r = (short *)_TIFFmalloc(3 * in->xsize * sizeof (short));
 201                 g = r + in->xsize;
 202                 b = g + in->xsize;
 203                 for (y = in->ysize-1; y >= 0; y--) {
 204                         uint8* pp = (uint8*) buf;
 205
 206                         getrow(in, r, y, 0);
 207                         getrow(in, g, y, 1);
 208                         getrow(in, b, y, 2);
 209                         for (x = 0; x < in->xsize; x++) {
 210                                 pp[0] = r[x];
 211                                 pp[1] = g[x];
 212                                 pp[2] = b[x];
 213                                 pp += 3;
 214                         }
 215                         if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
 216                                 goto bad;
 217                 }
 218         } else if (in->zsize == 4) {
 219                 short *g, *b, *a;
 220
 221                 r = (short *)_TIFFmalloc(4 * in->xsize * sizeof (short));
 222                 g = r + in->xsize;
 223                 b = g + in->xsize;
 224                 a = b + in->xsize;
 225                 for (y = in->ysize-1; y >= 0; y--) {
 226                         uint8* pp = (uint8*) buf;
 227
 228                         getrow(in, r, y, 0);
 229                         getrow(in, g, y, 1);
 230                         getrow(in, b, y, 2);
 231                         getrow(in, a, y, 3);
 232                         for (x = 0; x < in->xsize; x++) {
 233                                 pp[0] = r[x];
 234                                 pp[1] = g[x];
 235                                 pp[2] = b[x];
 236                                 pp[3] = a[x];
 237                                 pp += 4;
 238                         }
 239                         if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
 240                                 goto bad;
 241                 }
 242         } else {
 243                 uint8* pp = (uint8*) buf;
 244
 245                 r = (short *)_TIFFmalloc(in->xsize * sizeof (short));
 246                 for (y = in->ysize-1; y >= 0; y--) {
 247                         getrow(in, r, y, 0);
 248                         for (x = in->xsize-1; x >= 0; x--)
 249                                 pp[x] = r[x];
 250                         if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
 251                                 goto bad;
 252                 }
 253         }
 254         if (r)
 255                 _TIFFfree(r);
 256         _TIFFfree(buf);
 257         return (1);
 258 bad:
 259         if (r)
 260                 _TIFFfree(r);
 261         _TIFFfree(buf);
 262         return (0);
 263 }
 264
 265 static int
 266 cpSeparate(IMAGE* in, TIFF* out)
 267 {
 268         tdata_t buf = _TIFFmalloc(TIFFScanlineSize(out));
 269         short *r = (short *)_TIFFmalloc(in->xsize * sizeof (short));
 270         uint8* pp = (uint8*) buf;
 271         int x, y, z;
 272
 273         for (z = 0; z < in->zsize; z++) {
 274                 for (y = in->ysize-1; y >= 0; y--) {
 275                         getrow(in, r, y, z);
 276                         for (x = 0; x < in->xsize; x++)
 277                                 pp[x] = r[x];
 278                         if (TIFFWriteScanline(out, buf, in->ysize-y-1, z) < 0)
 279                                 goto bad;
 280                 }
 281         }
 282         _TIFFfree(r);
 283         _TIFFfree(buf);
 284         return (1);
 285 bad:
 286         _TIFFfree(r);
 287         _TIFFfree(buf);
 288         return (0);
 289 }
 290
 291 char* stuff[] = {
 292 "usage: sgi2tiff [options] input.rgb output.tif",
 293 "where options are:",
 294 " -r #          make each strip have no more than # rows",
 295 "",
 296 " -p contig     pack samples contiguously (e.g. RGBRGB...)",
 297 " -p separate   store samples separately (e.g. RRR...GGG...BBB...)",
 298 "",
 299 " -f lsb2msb    force lsb-to-msb FillOrder for output",
 300 " -f msb2lsb    force msb-to-lsb FillOrder for output",
 301 "",
 302 " -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
 303 " -c zip[:opts] compress output with deflate encoding",
 304 " -c jpeg[:opts]compress output with JPEG encoding",
 305 " -c packbits   compress output with packbits encoding",
 306 " -c none       use no compression algorithm on output",
 307 "",
 308 "JPEG options:",
 309 " #             set compression quality level (0-100, default 75)",
 310 " r             output color image as RGB rather than YCbCr",
 311 "",
 312 "LZW and deflate options:",
 313 " #             set predictor value",
 314 "For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
 315 NULL
 316 };
 317
 318 static void
 319 usage(void)
 320 {
 321         char buf[BUFSIZ];
 322         int i;
 323
 324         setbuf(stderr, buf);
 325         for (i = 0; stuff[i] != NULL; i++)
 326                 fprintf(stderr, "%s\n", stuff[i]);
 327         exit(-1);
 328 }