| 1 | /* $Id$ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1988-1997 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 "tif_config.h" |
| 28 | |
| 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
| 32 | #include <ctype.h> |
| 33 | |
| 34 | #ifdef HAVE_UNISTD_H |
| 35 | # include <unistd.h> |
| 36 | #endif |
| 37 | |
| 38 | #include "rasterfile.h" |
| 39 | #include "tiffio.h" |
| 40 | |
| 41 | #ifndef howmany |
| 42 | #define howmany(x, y) (((x)+((y)-1))/(y)) |
| 43 | #endif |
| 44 | #define streq(a,b) (strcmp(a,b) == 0) |
| 45 | #define strneq(a,b,n) (strncmp(a,b,n) == 0) |
| 46 | |
| 47 | #ifndef BINMODE |
| 48 | #define BINMODE |
| 49 | #endif |
| 50 | |
| 51 | static uint16 compression = (uint16) -1; |
| 52 | static int jpegcolormode = JPEGCOLORMODE_RGB; |
| 53 | static int quality = 75; /* JPEG quality */ |
| 54 | static uint16 predictor = 0; |
| 55 | |
| 56 | static void usage(void); |
| 57 | static int processCompressOptions(char*); |
| 58 | |
| 59 | int |
| 60 | main(int argc, char* argv[]) |
| 61 | { |
| 62 | unsigned char* buf; |
| 63 | long row; |
| 64 | tsize_t linebytes, scanline; |
| 65 | TIFF *out; |
| 66 | FILE *in; |
| 67 | struct rasterfile h; |
| 68 | uint16 photometric; |
| 69 | uint16 config = PLANARCONFIG_CONTIG; |
| 70 | uint32 rowsperstrip = (uint32) -1; |
| 71 | int c; |
| 72 | extern int optind; |
| 73 | extern char* optarg; |
| 74 | |
| 75 | while ((c = getopt(argc, argv, "c:r:h")) != -1) |
| 76 | switch (c) { |
| 77 | case 'c': /* compression scheme */ |
| 78 | if (!processCompressOptions(optarg)) |
| 79 | usage(); |
| 80 | break; |
| 81 | case 'r': /* rows/strip */ |
| 82 | rowsperstrip = atoi(optarg); |
| 83 | break; |
| 84 | case 'h': |
| 85 | usage(); |
| 86 | /*NOTREACHED*/ |
| 87 | } |
| 88 | if (argc - optind != 2) |
| 89 | usage(); |
| 90 | in = fopen(argv[optind], "r" BINMODE); |
| 91 | if (in == NULL) { |
| 92 | fprintf(stderr, "%s: Can not open.\n", argv[optind]); |
| 93 | return (-1); |
| 94 | } |
| 95 | if (fread(&h, sizeof (h), 1, in) != 1) { |
| 96 | fprintf(stderr, "%s: Can not read header.\n", argv[optind]); |
| 97 | return (-2); |
| 98 | } |
| 99 | if (strcmp(h.ras_magic, RAS_MAGIC) == 0) { |
| 100 | #ifndef WORDS_BIGENDIAN |
| 101 | TIFFSwabLong((uint32 *)&h.ras_width); |
| 102 | TIFFSwabLong((uint32 *)&h.ras_height); |
| 103 | TIFFSwabLong((uint32 *)&h.ras_depth); |
| 104 | TIFFSwabLong((uint32 *)&h.ras_length); |
| 105 | TIFFSwabLong((uint32 *)&h.ras_type); |
| 106 | TIFFSwabLong((uint32 *)&h.ras_maptype); |
| 107 | TIFFSwabLong((uint32 *)&h.ras_maplength); |
| 108 | #endif |
| 109 | } else if (strcmp(h.ras_magic, RAS_MAGIC_INV) == 0) { |
| 110 | #ifdef WORDS_BIGENDIAN |
| 111 | TIFFSwabLong((uint32 *)&h.ras_width); |
| 112 | TIFFSwabLong((uint32 *)&h.ras_height); |
| 113 | TIFFSwabLong((uint32 *)&h.ras_depth); |
| 114 | TIFFSwabLong((uint32 *)&h.ras_length); |
| 115 | TIFFSwabLong((uint32 *)&h.ras_type); |
| 116 | TIFFSwabLong((uint32 *)&h.ras_maptype); |
| 117 | TIFFSwabLong((uint32 *)&h.ras_maplength); |
| 118 | #endif |
| 119 | } else { |
| 120 | fprintf(stderr, "%s: Not a rasterfile.\n", argv[optind]); |
| 121 | return (-3); |
| 122 | } |
| 123 | out = TIFFOpen(argv[optind+1], "w"); |
| 124 | if (out == NULL) |
| 125 | return (-4); |
| 126 | TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) h.ras_width); |
| 127 | TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h.ras_height); |
| 128 | TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); |
| 129 | TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, h.ras_depth > 8 ? 3 : 1); |
| 130 | TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, h.ras_depth > 1 ? 8 : 1); |
| 131 | TIFFSetField(out, TIFFTAG_PLANARCONFIG, config); |
| 132 | if (h.ras_maptype != RMT_NONE) { |
| 133 | uint16* red; |
| 134 | register uint16* map; |
| 135 | register int i, j; |
| 136 | int mapsize; |
| 137 | |
| 138 | buf = (unsigned char *)_TIFFmalloc(h.ras_maplength); |
| 139 | if (buf == NULL) { |
| 140 | fprintf(stderr, "No space to read in colormap.\n"); |
| 141 | return (-5); |
| 142 | } |
| 143 | if (fread(buf, h.ras_maplength, 1, in) != 1) { |
| 144 | fprintf(stderr, "%s: Read error on colormap.\n", |
| 145 | argv[optind]); |
| 146 | return (-6); |
| 147 | } |
| 148 | mapsize = 1<<h.ras_depth; |
| 149 | if (h.ras_maplength > mapsize*3) { |
| 150 | fprintf(stderr, |
| 151 | "%s: Huh, %ld colormap entries, should be %d?\n", |
| 152 | argv[optind], h.ras_maplength, mapsize*3); |
| 153 | return (-7); |
| 154 | } |
| 155 | red = (uint16*)_TIFFmalloc(mapsize * 3 * sizeof (uint16)); |
| 156 | if (red == NULL) { |
| 157 | fprintf(stderr, "No space for colormap.\n"); |
| 158 | return (-8); |
| 159 | } |
| 160 | map = red; |
| 161 | for (j = 0; j < 3; j++) { |
| 162 | #define SCALE(x) (((x)*((1L<<16)-1))/255) |
| 163 | for (i = h.ras_maplength/3; i-- > 0;) |
| 164 | *map++ = SCALE(*buf++); |
| 165 | if ((i = h.ras_maplength/3) < mapsize) { |
| 166 | i = mapsize - i; |
| 167 | _TIFFmemset(map, 0, i*sizeof (uint16)); |
| 168 | map += i; |
| 169 | } |
| 170 | } |
| 171 | TIFFSetField(out, TIFFTAG_COLORMAP, |
| 172 | red, red + mapsize, red + 2*mapsize); |
| 173 | photometric = PHOTOMETRIC_PALETTE; |
| 174 | if (compression == (uint16) -1) |
| 175 | compression = COMPRESSION_PACKBITS; |
| 176 | TIFFSetField(out, TIFFTAG_COMPRESSION, compression); |
| 177 | } else { |
| 178 | /* XXX this is bogus... */ |
| 179 | photometric = h.ras_depth == 24 ? |
| 180 | PHOTOMETRIC_RGB : PHOTOMETRIC_MINISBLACK; |
| 181 | if (compression == (uint16) -1) |
| 182 | compression = COMPRESSION_LZW; |
| 183 | TIFFSetField(out, TIFFTAG_COMPRESSION, compression); |
| 184 | } |
| 185 | switch (compression) { |
| 186 | case COMPRESSION_JPEG: |
| 187 | if (photometric == PHOTOMETRIC_RGB && jpegcolormode == JPEGCOLORMODE_RGB) |
| 188 | photometric = PHOTOMETRIC_YCBCR; |
| 189 | TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality); |
| 190 | TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode); |
| 191 | break; |
| 192 | case COMPRESSION_LZW: |
| 193 | case COMPRESSION_DEFLATE: |
| 194 | if (predictor != 0) |
| 195 | TIFFSetField(out, TIFFTAG_PREDICTOR, predictor); |
| 196 | break; |
| 197 | } |
| 198 | TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric); |
| 199 | linebytes = ((h.ras_depth*h.ras_width+15) >> 3) &~ 1; |
| 200 | scanline = TIFFScanlineSize(out); |
| 201 | if (scanline > linebytes) { |
| 202 | buf = (unsigned char *)_TIFFmalloc(scanline); |
| 203 | _TIFFmemset(buf+linebytes, 0, scanline-linebytes); |
| 204 | } else |
| 205 | buf = (unsigned char *)_TIFFmalloc(linebytes); |
| 206 | TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, |
| 207 | TIFFDefaultStripSize(out, rowsperstrip)); |
| 208 | for (row = 0; row < h.ras_height; row++) { |
| 209 | if (fread(buf, linebytes, 1, in) != 1) { |
| 210 | fprintf(stderr, "%s: scanline %ld: Read error.\n", |
| 211 | argv[optind], row); |
| 212 | break; |
| 213 | } |
| 214 | if (h.ras_type == RT_STANDARD && h.ras_depth == 24) { |
| 215 | tsize_t cc = h.ras_width; |
| 216 | unsigned char* cp = buf; |
| 217 | #define SWAP(a,b) { unsigned char t = (a); (a) = (b); (b) = t; } |
| 218 | do { |
| 219 | SWAP(cp[0], cp[2]); |
| 220 | cp += 3; |
| 221 | } while (--cc); |
| 222 | } |
| 223 | if (TIFFWriteScanline(out, buf, row, 0) < 0) |
| 224 | break; |
| 225 | } |
| 226 | (void) TIFFClose(out); |
| 227 | return (0); |
| 228 | } |
| 229 | |
| 230 | static int |
| 231 | processCompressOptions(char* opt) |
| 232 | { |
| 233 | if (streq(opt, "none")) |
| 234 | compression = COMPRESSION_NONE; |
| 235 | else if (streq(opt, "packbits")) |
| 236 | compression = COMPRESSION_PACKBITS; |
| 237 | else if (strneq(opt, "jpeg", 4)) { |
| 238 | char* cp = strchr(opt, ':'); |
| 239 | |
| 240 | compression = COMPRESSION_JPEG; |
| 241 | while( cp ) |
| 242 | { |
| 243 | if (isdigit((int)cp[1])) |
| 244 | quality = atoi(cp+1); |
| 245 | else if (cp[1] == 'r' ) |
| 246 | jpegcolormode = JPEGCOLORMODE_RAW; |
| 247 | else |
| 248 | usage(); |
| 249 | |
| 250 | cp = strchr(cp+1,':'); |
| 251 | } |
| 252 | } else if (strneq(opt, "lzw", 3)) { |
| 253 | char* cp = strchr(opt, ':'); |
| 254 | if (cp) |
| 255 | predictor = atoi(cp+1); |
| 256 | compression = COMPRESSION_LZW; |
| 257 | } else if (strneq(opt, "zip", 3)) { |
| 258 | char* cp = strchr(opt, ':'); |
| 259 | if (cp) |
| 260 | predictor = atoi(cp+1); |
| 261 | compression = COMPRESSION_DEFLATE; |
| 262 | } else |
| 263 | return (0); |
| 264 | return (1); |
| 265 | } |
| 266 | |
| 267 | char* stuff[] = { |
| 268 | "usage: ras2tiff [options] input.ras output.tif", |
| 269 | "where options are:", |
| 270 | " -r # make each strip have no more than # rows", |
| 271 | "", |
| 272 | " -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding", |
| 273 | " -c zip[:opts] compress output with deflate encoding", |
| 274 | " -c jpeg[:opts] compress output with JPEG encoding", |
| 275 | " -c packbits compress output with packbits encoding", |
| 276 | " -c none use no compression algorithm on output", |
| 277 | "", |
| 278 | "JPEG options:", |
| 279 | " # set compression quality level (0-100, default 75)", |
| 280 | " r output color image as RGB rather than YCbCr", |
| 281 | "For example, -c jpeg:r:50 to get JPEG-encoded RGB data with 50% comp. quality", |
| 282 | "", |
| 283 | "LZW and deflate options:", |
| 284 | " # set predictor value", |
| 285 | "For example, -c lzw:2 to get LZW-encoded data with horizontal differencing", |
| 286 | " -h this help message", |
| 287 | NULL |
| 288 | }; |
| 289 | |
| 290 | static void |
| 291 | usage(void) |
| 292 | { |
| 293 | char buf[BUFSIZ]; |
| 294 | int i; |
| 295 | |
| 296 | setbuf(stderr, buf); |
| 297 | fprintf(stderr, "%s\n\n", TIFFGetVersion()); |
| 298 | for (i = 0; stuff[i] != NULL; i++) |
| 299 | fprintf(stderr, "%s\n", stuff[i]); |
| 300 | exit(-1); |
| 301 | } |
| 302 | |
| 303 | /* vim: set ts=8 sts=8 sw=8 noet: */ |