1 /* $Id: tiffsplit.c,v 1.14 2005-12-06 22:18:13 dron Exp $ */ 2 3 /* 4 * Copyright (c) 1992-1997 Sam Leffler 5 * Copyright (c) 1992-1997 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 33 #include "tiffio.h" 34 35 #ifndef HAVE_GETOPT 36 extern int getopt(int, char**, char*); 37 #endif 38 39 #define CopyField(tag, v) \ 40 if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v) 41 #define CopyField2(tag, v1, v2) \ 42 if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2) 43 #define CopyField3(tag, v1, v2, v3) \ 44 if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3) 45 46 static char fname[1024+1]; 47 48 static int tiffcp(TIFF*, TIFF*); 49 static void newfilename(void); 50 static int cpStrips(TIFF*, TIFF*); 51 static int cpTiles(TIFF*, TIFF*); 52 53 int 54 main(int argc, char* argv[]) 55 { 56 TIFF *in, *out; 57 58 if (argc < 2) { 59 fprintf(stderr, "%s\n\n", TIFFGetVersion()); 60 fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n"); 61 return (-3); 62 } 63 if (argc > 2) 64 strcpy(fname, argv[2]); 65 in = TIFFOpen(argv[1], "r"); 66 if (in != NULL) { 67 do { 68 char path[1024+1]; 69 newfilename(); 70 strcpy(path, fname); 71 strcat(path, ".tif"); 72 out = TIFFOpen(path, TIFFIsBigEndian(in)?"wb":"wl"); 73 if (out == NULL) 74 return (-2); 75 if (!tiffcp(in, out)) 76 return (-1); 77 TIFFClose(out); 78 } while (TIFFReadDirectory(in)); 79 (void) TIFFClose(in); 80 } 81 return (0); 82 } 83 84 static void 85 newfilename(void) 86 { 87 static int first = 1; 88 static long lastTurn; 89 static long fnum; 90 static short defname; 91 static char *fpnt; 92 93 if (first) { 94 if (fname[0]) { 95 fpnt = fname + strlen(fname); 96 defname = 0; 97 } else { 98 fname[0] = 'x'; 99 fpnt = fname + 1; 100 defname = 1; 101 } 102 first = 0; 103 } 104 #define MAXFILES 17576 105 if (fnum == MAXFILES) { 106 if (!defname || fname[0] == 'z') { 107 fprintf(stderr, "tiffsplit: too many files.\n"); 108 exit(1); 109 } 110 fname[0]++; 111 fnum = 0; 112 } 113 if (fnum % 676 == 0) { 114 if (fnum != 0) { 115 /* 116 * advance to next letter every 676 pages 117 * condition for 'z'++ will be covered above 118 */ 119 fpnt[0]++; 120 } else { 121 /* 122 * set to 'a' if we are on the very first file 123 */ 124 fpnt[0] = 'a'; 125 } 126 /* 127 * set the value of the last turning point 128 */ 129 lastTurn = fnum; 130 } 131 /* 132 * start from 0 every 676 times (provided by lastTurn) 133 * this keeps us within a-z boundaries 134 */ 135 fpnt[1] = (char)((fnum - lastTurn) / 26) + 'a'; 136 /* 137 * cycle last letter every file, from a-z, then repeat 138 */ 139 fpnt[2] = (char)(fnum % 26) + 'a'; 140 fnum++; 141 } 142 143 static int 144 tiffcp(TIFF* in, TIFF* out) 145 { 146 uint16 bitspersample, samplesperpixel, compression, shortv, *shortav; 147 uint32 w, l; 148 float floatv; 149 char *stringv; 150 uint32 longv; 151 152 CopyField(TIFFTAG_SUBFILETYPE, longv); 153 CopyField(TIFFTAG_TILEWIDTH, w); 154 CopyField(TIFFTAG_TILELENGTH, l); 155 CopyField(TIFFTAG_IMAGEWIDTH, w); 156 CopyField(TIFFTAG_IMAGELENGTH, l); 157 CopyField(TIFFTAG_BITSPERSAMPLE, bitspersample); 158 CopyField(TIFFTAG_SAMPLESPERPIXEL, samplesperpixel); 159 CopyField(TIFFTAG_COMPRESSION, compression); 160 if (compression == COMPRESSION_JPEG) { 161 uint16 count = 0; 162 void *table = NULL; 163 if (TIFFGetField(in, TIFFTAG_JPEGTABLES, &count, &table) 164 && count > 0 && table) { 165 TIFFSetField(out, TIFFTAG_JPEGTABLES, count, table); 166 } 167 } 168 CopyField(TIFFTAG_PHOTOMETRIC, shortv); 169 CopyField(TIFFTAG_PREDICTOR, shortv); 170 CopyField(TIFFTAG_THRESHHOLDING, shortv); 171 CopyField(TIFFTAG_FILLORDER, shortv); 172 CopyField(TIFFTAG_ORIENTATION, shortv); 173 CopyField(TIFFTAG_MINSAMPLEVALUE, shortv); 174 CopyField(TIFFTAG_MAXSAMPLEVALUE, shortv); 175 CopyField(TIFFTAG_XRESOLUTION, floatv); 176 CopyField(TIFFTAG_YRESOLUTION, floatv); 177 CopyField(TIFFTAG_GROUP3OPTIONS, longv); 178 CopyField(TIFFTAG_GROUP4OPTIONS, longv); 179 CopyField(TIFFTAG_RESOLUTIONUNIT, shortv); 180 CopyField(TIFFTAG_PLANARCONFIG, shortv); 181 CopyField(TIFFTAG_ROWSPERSTRIP, longv); 182 CopyField(TIFFTAG_XPOSITION, floatv); 183 CopyField(TIFFTAG_YPOSITION, floatv); 184 CopyField(TIFFTAG_IMAGEDEPTH, longv); 185 CopyField(TIFFTAG_TILEDEPTH, longv); 186 CopyField(TIFFTAG_SAMPLEFORMAT, longv); 187 CopyField2(TIFFTAG_EXTRASAMPLES, shortv, shortav); 188 { uint16 *red, *green, *blue; 189 CopyField3(TIFFTAG_COLORMAP, red, green, blue); 190 } 191 { uint16 shortv2; 192 CopyField2(TIFFTAG_PAGENUMBER, shortv, shortv2); 193 } 194 CopyField(TIFFTAG_ARTIST, stringv); 195 CopyField(TIFFTAG_IMAGEDESCRIPTION, stringv); 196 CopyField(TIFFTAG_MAKE, stringv); 197 CopyField(TIFFTAG_MODEL, stringv); 198 CopyField(TIFFTAG_SOFTWARE, stringv); 199 CopyField(TIFFTAG_DATETIME, stringv); 200 CopyField(TIFFTAG_HOSTCOMPUTER, stringv); 201 CopyField(TIFFTAG_PAGENAME, stringv); 202 CopyField(TIFFTAG_DOCUMENTNAME, stringv); 203 CopyField(TIFFTAG_BADFAXLINES, longv); 204 CopyField(TIFFTAG_CLEANFAXDATA, longv); 205 CopyField(TIFFTAG_CONSECUTIVEBADFAXLINES, longv); 206 CopyField(TIFFTAG_FAXRECVPARAMS, longv); 207 CopyField(TIFFTAG_FAXRECVTIME, longv); 208 CopyField(TIFFTAG_FAXSUBADDRESS, stringv); 209 CopyField(TIFFTAG_FAXDCS, stringv); 210 if (TIFFIsTiled(in)) 211 return (cpTiles(in, out)); 212 else 213 return (cpStrips(in, out)); 214 } 215 216 static int 217 cpStrips(TIFF* in, TIFF* out) 218 { 219 tsize_t bufsize = TIFFStripSize(in); 220 unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); 221 222 if (buf) { 223 tstrip_t s, ns = TIFFNumberOfStrips(in); 224 uint32 *bytecounts; 225 226 TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts); 227 for (s = 0; s < ns; s++) { 228 if (bytecounts[s] > (uint32)bufsize) { 229 buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[s]); 230 if (!buf) 231 return (0); 232 bufsize = bytecounts[s]; 233 } 234 if (TIFFReadRawStrip(in, s, buf, bytecounts[s]) < 0 || 235 TIFFWriteRawStrip(out, s, buf, bytecounts[s]) < 0) { 236 _TIFFfree(buf); 237 return (0); 238 } 239 } 240 _TIFFfree(buf); 241 return (1); 242 } 243 return (0); 244 } 245 246 static int 247 cpTiles(TIFF* in, TIFF* out) 248 { 249 tsize_t bufsize = TIFFTileSize(in); 250 unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); 251 252 if (buf) { 253 ttile_t t, nt = TIFFNumberOfTiles(in); 254 uint32 *bytecounts; 255 256 TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts); 257 for (t = 0; t < nt; t++) { 258 if (bytecounts[t] > (uint32) bufsize) { 259 buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[t]); 260 if (!buf) 261 return (0); 262 bufsize = bytecounts[t]; 263 } 264 if (TIFFReadRawTile(in, t, buf, bytecounts[t]) < 0 || 265 TIFFWriteRawTile(out, t, buf, bytecounts[t]) < 0) { 266 _TIFFfree(buf); 267 return (0); 268 } 269 } 270 _TIFFfree(buf); 271 return (1); 272 } 273 return (0); 274 } 275 276 /* vim: set ts=8 sts=8 sw=8 noet: */ 277