1 /* $Id: tiffsplit.c,v 1.11 2005-05-25 10:35:13 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 <stdio.h> 28 #include <stdlib.h> 29 #include <string.h> 30 31 #include "tiffio.h" 32 33 #ifndef HAVE_GETOPT 34 extern int getopt(int, char**, char*); 35 #endif 36 37 #define CopyField(tag, v) \ 38 if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v) 39 #define CopyField2(tag, v1, v2) \ 40 if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2) 41 #define CopyField3(tag, v1, v2, v3) \ 42 if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3) 43 44 static char fname[1024+1]; 45 46 static int tiffcp(TIFF*, TIFF*); 47 static void newfilename(void); 48 static int cpStrips(TIFF*, TIFF*); 49 static int cpTiles(TIFF*, TIFF*); 50 51 int 52 main(int argc, char* argv[]) 53 { 54 TIFF *in, *out; 55 56 if (argc < 2) { 57 fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n"); 58 return (-3); 59 } 60 if (argc > 2) 61 strcpy(fname, argv[2]); 62 in = TIFFOpen(argv[1], "r"); 63 if (in != NULL) { 64 do { 65 char path[1024+1]; 66 newfilename(); 67 strcpy(path, fname); 68 strcat(path, ".tif"); 69 out = TIFFOpen(path, TIFFIsBigEndian(in)?"wb":"wl"); 70 if (out == NULL) 71 return (-2); 72 if (!tiffcp(in, out)) 73 return (-1); 74 TIFFClose(out); 75 } while (TIFFReadDirectory(in)); 76 (void) TIFFClose(in); 77 } 78 return (0); 79 } 80 81 static void 82 newfilename(void) 83 { 84 static int first = 1; 85 static long lastTurn; 86 static long fnum; 87 static short defname; 88 static char *fpnt; 89 90 if (first) { 91 if (fname[0]) { 92 fpnt = fname + strlen(fname); 93 defname = 0; 94 } else { 95 fname[0] = 'x'; 96 fpnt = fname + 1; 97 defname = 1; 98 } 99 first = 0; 100 } 101 #define MAXFILES 17576 102 if (fnum == MAXFILES) { 103 if (!defname || fname[0] == 'z') { 104 fprintf(stderr, "tiffsplit: too many files.\n"); 105 exit(1); 106 } 107 fname[0]++; 108 fnum = 0; 109 } 110 if (fnum % 676 == 0) { 111 if (fnum != 0) { 112 /* 113 * advance to next letter every 676 pages 114 * condition for 'z'++ will be covered above 115 */ 116 fpnt[0]++; 117 } else { 118 /* 119 * set to 'a' if we are on the very first file 120 */ 121 fpnt[0] = 'a'; 122 } 123 /* 124 * set the value of the last turning point 125 */ 126 lastTurn = fnum; 127 } 128 /* 129 * start from 0 every 676 times (provided by lastTurn) 130 * this keeps us within a-z boundaries 131 */ 132 fpnt[1] = (char)((fnum - lastTurn) / 26) + 'a'; 133 /* 134 * cycle last letter every file, from a-z, then repeat 135 */ 136 fpnt[2] = (char)(fnum % 26) + 'a'; 137 fnum++; 138 } 139 140 static int 141 tiffcp(TIFF* in, TIFF* out) 142 { 143 uint16 bitspersample, samplesperpixel, compression, shortv, *shortav; 144 uint32 w, l; 145 float floatv; 146 char *stringv; 147 uint32 longv; 148 149 CopyField(TIFFTAG_SUBFILETYPE, longv); 150 CopyField(TIFFTAG_TILEWIDTH, w); 151 CopyField(TIFFTAG_TILELENGTH, l); 152 CopyField(TIFFTAG_IMAGEWIDTH, w); 153 CopyField(TIFFTAG_IMAGELENGTH, l); 154 CopyField(TIFFTAG_BITSPERSAMPLE, bitspersample); 155 CopyField(TIFFTAG_SAMPLESPERPIXEL, samplesperpixel); 156 CopyField(TIFFTAG_COMPRESSION, compression); 157 if (compression == COMPRESSION_JPEG) { 158 uint16 count = 0; 159 void *table = NULL; 160 if (TIFFGetField(in, TIFFTAG_JPEGTABLES, &count, &table) 161 && count > 0 && table) { 162 TIFFSetField(out, TIFFTAG_JPEGTABLES, count, table); 163 } 164 } 165 CopyField(TIFFTAG_PHOTOMETRIC, shortv); 166 CopyField(TIFFTAG_PREDICTOR, shortv); 167 CopyField(TIFFTAG_THRESHHOLDING, shortv); 168 CopyField(TIFFTAG_FILLORDER, shortv); 169 CopyField(TIFFTAG_ORIENTATION, shortv); 170 CopyField(TIFFTAG_MINSAMPLEVALUE, shortv); 171 CopyField(TIFFTAG_MAXSAMPLEVALUE, shortv); 172 CopyField(TIFFTAG_XRESOLUTION, floatv); 173 CopyField(TIFFTAG_YRESOLUTION, floatv); 174 CopyField(TIFFTAG_GROUP3OPTIONS, longv); 175 CopyField(TIFFTAG_GROUP4OPTIONS, longv); 176 CopyField(TIFFTAG_RESOLUTIONUNIT, shortv); 177 CopyField(TIFFTAG_PLANARCONFIG, shortv); 178 CopyField(TIFFTAG_ROWSPERSTRIP, longv); 179 CopyField(TIFFTAG_XPOSITION, floatv); 180 CopyField(TIFFTAG_YPOSITION, floatv); 181 CopyField(TIFFTAG_IMAGEDEPTH, longv); 182 CopyField(TIFFTAG_TILEDEPTH, longv); 183 CopyField(TIFFTAG_SAMPLEFORMAT, longv); 184 CopyField2(TIFFTAG_EXTRASAMPLES, shortv, shortav); 185 { uint16 *red, *green, *blue; 186 CopyField3(TIFFTAG_COLORMAP, red, green, blue); 187 } 188 { uint16 shortv2; 189 CopyField2(TIFFTAG_PAGENUMBER, shortv, shortv2); 190 } 191 CopyField(TIFFTAG_ARTIST, stringv); 192 CopyField(TIFFTAG_IMAGEDESCRIPTION, stringv); 193 CopyField(TIFFTAG_MAKE, stringv); 194 CopyField(TIFFTAG_MODEL, stringv); 195 CopyField(TIFFTAG_SOFTWARE, stringv); 196 CopyField(TIFFTAG_DATETIME, stringv); 197 CopyField(TIFFTAG_HOSTCOMPUTER, stringv); 198 CopyField(TIFFTAG_PAGENAME, stringv); 199 CopyField(TIFFTAG_DOCUMENTNAME, stringv); 200 if (TIFFIsTiled(in)) 201 return (cpTiles(in, out)); 202 else 203 return (cpStrips(in, out)); 204 } 205 206 static int 207 cpStrips(TIFF* in, TIFF* out) 208 { 209 tsize_t bufsize = TIFFStripSize(in); 210 unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); 211 212 if (buf) { 213 tstrip_t s, ns = TIFFNumberOfStrips(in); 214 uint32 *bytecounts; 215 216 TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts); 217 for (s = 0; s < ns; s++) { 218 if (bytecounts[s] > (uint32)bufsize) { 219 buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[s]); 220 if (!buf) 221 return (0); 222 bufsize = bytecounts[s]; 223 } 224 if (TIFFReadRawStrip(in, s, buf, bytecounts[s]) < 0 || 225 TIFFWriteRawStrip(out, s, buf, bytecounts[s]) < 0) { 226 _TIFFfree(buf); 227 return (0); 228 } 229 } 230 _TIFFfree(buf); 231 return (1); 232 } 233 return (0); 234 } 235 236 static int 237 cpTiles(TIFF* in, TIFF* out) 238 { 239 tsize_t bufsize = TIFFTileSize(in); 240 unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize); 241 242 if (buf) { 243 ttile_t t, nt = TIFFNumberOfTiles(in); 244 uint32 *bytecounts; 245 246 TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts); 247 for (t = 0; t < nt; t++) { 248 if (bytecounts[t] > (uint32) bufsize) { 249 buf = (unsigned char *)_TIFFrealloc(buf, bytecounts[t]); 250 if (!buf) 251 return (0); 252 bufsize = bytecounts[t]; 253 } 254 if (TIFFReadRawTile(in, t, buf, bytecounts[t]) < 0 || 255 TIFFWriteRawTile(out, t, buf, bytecounts[t]) < 0) { 256 _TIFFfree(buf); 257 return (0); 258 } 259 } 260 _TIFFfree(buf); 261 return (1); 262 } 263 return (0); 264 } 265