Tue, 01 Jan 2002 06:11:43 +0000
add support for PDF file attributes: author, creator, title, etc.
eric@10 | 1 | /* |
eric@29 | 2 | * tiff2pdf: Create a PDF file from the contents of one or more |
eric@29 | 3 | * TIFF bilevel image files. The images in the resulting |
eric@29 | 4 | * PDF file will be compressed using ITU-T T.6 (G4) fax |
eric@29 | 5 | * encoding. |
eric@29 | 6 | * |
eric@10 | 7 | * Main program |
eric@30 | 8 | * $Id: t2p.c,v 1.11 2001/12/31 22:11:43 eric Exp $ |
eric@10 | 9 | * Copyright 2001 Eric Smith <eric@brouhaha.com> |
eric@10 | 10 | * |
eric@10 | 11 | * This program is free software; you can redistribute it and/or modify |
eric@10 | 12 | * it under the terms of the GNU General Public License version 2 as |
eric@10 | 13 | * published by the Free Software Foundation. Note that permission is |
eric@10 | 14 | * not granted to redistribute this program under the terms of any |
eric@10 | 15 | * other version of the General Public License. |
eric@10 | 16 | * |
eric@10 | 17 | * This program is distributed in the hope that it will be useful, |
eric@10 | 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
eric@10 | 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
eric@10 | 20 | * GNU General Public License for more details. |
eric@10 | 21 | * |
eric@10 | 22 | * You should have received a copy of the GNU General Public License |
eric@10 | 23 | * along with this program; if not, write to the Free Software |
eric@10 | 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA |
eric@10 | 25 | */ |
eric@10 | 26 | |
eric@10 | 27 | |
eric@10 | 28 | #include <stdio.h> |
eric@28 | 29 | #include <stdlib.h> |
eric@28 | 30 | #include <unistd.h> |
eric@10 | 31 | #include <tiffio.h> |
eric@10 | 32 | #include <panda/functions.h> |
eric@10 | 33 | #include <panda/constants.h> |
eric@10 | 34 | |
eric@10 | 35 | #include "type.h" |
eric@10 | 36 | #include "bitblt.h" |
eric@18 | 37 | #include "semantics.h" |
eric@10 | 38 | #include "parser.tab.h" |
eric@10 | 39 | #include "tiff2pdf.h" |
eric@10 | 40 | |
eric@10 | 41 | |
eric@28 | 42 | #define POINTS_PER_INCH 72 |
eric@28 | 43 | |
eric@28 | 44 | /* page size limited by Acrobat Reader to 45 inches on a side */ |
eric@28 | 45 | #define PAGE_MAX_INCHES 45 |
eric@28 | 46 | #define PAGE_MAX_POINTS (PAGE_MAX_INCHES * POINTS_PER_INCH) |
eric@28 | 47 | |
eric@28 | 48 | |
eric@26 | 49 | typedef struct output_file_t |
eric@26 | 50 | { |
eric@26 | 51 | struct output_file_t *next; |
eric@26 | 52 | char *name; |
eric@26 | 53 | panda_pdf *pdf; |
eric@26 | 54 | } output_file_t; |
eric@26 | 55 | |
eric@26 | 56 | |
eric@26 | 57 | char *in_filename; |
eric@10 | 58 | TIFF *in; |
eric@26 | 59 | output_file_t *output_files; |
eric@26 | 60 | output_file_t *out; |
eric@26 | 61 | /* panda_pdf *out; */ |
eric@10 | 62 | |
eric@10 | 63 | |
eric@10 | 64 | boolean close_tiff_input_file (void) |
eric@10 | 65 | { |
eric@10 | 66 | if (in) |
eric@26 | 67 | { |
eric@26 | 68 | free (in_filename); |
eric@26 | 69 | TIFFClose (in); |
eric@26 | 70 | } |
eric@10 | 71 | in = NULL; |
eric@26 | 72 | in_filename = NULL; |
eric@10 | 73 | return (1); |
eric@10 | 74 | } |
eric@10 | 75 | |
eric@10 | 76 | boolean open_tiff_input_file (char *name) |
eric@10 | 77 | { |
eric@10 | 78 | if (in) |
eric@26 | 79 | { |
eric@26 | 80 | if (strcmp (name, in_filename) == 0) |
eric@26 | 81 | return (1); |
eric@26 | 82 | close_tiff_input_file (); |
eric@26 | 83 | } |
eric@26 | 84 | in_filename = strdup (name); |
eric@26 | 85 | if (! in_filename) |
eric@26 | 86 | { |
eric@26 | 87 | fprintf (stderr, "can't strdup input filename '%s'\n", name); |
eric@26 | 88 | return (0); |
eric@26 | 89 | } |
eric@10 | 90 | in = TIFFOpen (name, "r"); |
eric@10 | 91 | if (! in) |
eric@10 | 92 | { |
eric@10 | 93 | fprintf (stderr, "can't open input file '%s'\n", name); |
eric@26 | 94 | free (in_filename); |
eric@10 | 95 | return (0); |
eric@10 | 96 | } |
eric@10 | 97 | return (1); |
eric@10 | 98 | } |
eric@10 | 99 | |
eric@10 | 100 | |
eric@26 | 101 | boolean close_pdf_output_files (void) |
eric@10 | 102 | { |
eric@26 | 103 | output_file_t *o, *n; |
eric@26 | 104 | |
eric@26 | 105 | for (o = output_files; o; o = n) |
eric@26 | 106 | { |
eric@26 | 107 | n = o->next; |
eric@26 | 108 | panda_close (o->pdf); |
eric@26 | 109 | free (o->name); |
eric@26 | 110 | free (o); |
eric@26 | 111 | } |
eric@10 | 112 | out = NULL; |
eric@26 | 113 | output_files = NULL; |
eric@10 | 114 | return (1); |
eric@10 | 115 | } |
eric@10 | 116 | |
eric@30 | 117 | boolean open_pdf_output_file (char *name, |
eric@30 | 118 | pdf_file_attributes_t *attributes) |
eric@10 | 119 | { |
eric@26 | 120 | output_file_t *o; |
eric@26 | 121 | |
eric@26 | 122 | if (out && (strcmp (name, out->name) == 0)) |
eric@26 | 123 | return (1); |
eric@26 | 124 | for (o = output_files; o; o = o->next) |
eric@26 | 125 | if (strcmp (name, o->name) == 0) |
eric@26 | 126 | { |
eric@26 | 127 | out = o; |
eric@26 | 128 | return (1); |
eric@26 | 129 | } |
eric@26 | 130 | o = calloc (1, sizeof (output_file_t)); |
eric@29 | 131 | if (! o) |
eric@10 | 132 | { |
eric@26 | 133 | fprintf (stderr, "can't calloc output file struct for '%s'\n", name); |
eric@26 | 134 | return (0); |
eric@26 | 135 | } |
eric@26 | 136 | |
eric@26 | 137 | o->name = strdup (name); |
eric@26 | 138 | if (! o->name) |
eric@26 | 139 | { |
eric@26 | 140 | fprintf (stderr, "can't strdup output filename '%s'\n", name); |
eric@26 | 141 | free (o); |
eric@10 | 142 | return (0); |
eric@10 | 143 | } |
eric@26 | 144 | |
eric@26 | 145 | o->pdf = panda_open (name, "w"); |
eric@26 | 146 | if (! o->pdf) |
eric@26 | 147 | { |
eric@26 | 148 | fprintf (stderr, "can't open output file '%s'\n", name); |
eric@26 | 149 | free (o->name); |
eric@26 | 150 | free (o); |
eric@26 | 151 | return (0); |
eric@26 | 152 | } |
eric@26 | 153 | |
eric@30 | 154 | if (attributes->author) |
eric@30 | 155 | panda_setauthor (o->pdf, attributes->author); |
eric@30 | 156 | if (attributes->creator) |
eric@30 | 157 | panda_setcreator (o->pdf, attributes->creator); |
eric@30 | 158 | if (attributes->title) |
eric@30 | 159 | panda_settitle (o->pdf, attributes->title); |
eric@30 | 160 | if (attributes->subject) |
eric@30 | 161 | panda_setsubject (o->pdf, attributes->subject); |
eric@30 | 162 | if (attributes->keywords) |
eric@30 | 163 | panda_setkeywords (o->pdf, attributes->keywords); |
eric@30 | 164 | |
eric@26 | 165 | /* prepend new output file onto list */ |
eric@26 | 166 | o->next = output_files; |
eric@26 | 167 | output_files = o; |
eric@26 | 168 | |
eric@26 | 169 | out = o; |
eric@10 | 170 | return (1); |
eric@10 | 171 | } |
eric@10 | 172 | |
eric@10 | 173 | |
eric@25 | 174 | void process_page_numbers (int page_index, |
eric@25 | 175 | int count, |
eric@25 | 176 | int base, |
eric@25 | 177 | page_label_t *page_label) |
eric@25 | 178 | { |
eric@25 | 179 | } |
eric@25 | 180 | |
eric@25 | 181 | |
eric@23 | 182 | boolean process_page (int image, /* range 1 .. n */ |
eric@23 | 183 | input_attributes_t input_attributes, |
eric@25 | 184 | bookmark_t *bookmarks) |
eric@10 | 185 | { |
eric@29 | 186 | int result = 0; |
eric@29 | 187 | |
eric@10 | 188 | u32 image_length, image_width; |
eric@10 | 189 | #ifdef CHECK_DEPTH |
eric@10 | 190 | u32 image_depth; |
eric@10 | 191 | #endif |
eric@29 | 192 | |
eric@29 | 193 | u16 samples_per_pixel; |
eric@10 | 194 | u16 bits_per_sample; |
eric@10 | 195 | u16 planar_config; |
eric@10 | 196 | u16 resolution_unit; |
eric@10 | 197 | float x_resolution, y_resolution; |
eric@28 | 198 | int width_points, height_points; /* really 1/72 inch units rather than |
eric@28 | 199 | points */ |
eric@28 | 200 | |
eric@10 | 201 | |
eric@10 | 202 | char *buffer; |
eric@10 | 203 | u32 row; |
eric@10 | 204 | |
eric@28 | 205 | panda_page *page; |
eric@28 | 206 | |
eric@28 | 207 | int tiff_temp_fd; |
eric@28 | 208 | char tiff_temp_fn [] = "/var/tmp/tiff2pdf-XXXXXX\0"; |
eric@28 | 209 | TIFF *tiff_temp; |
eric@28 | 210 | |
eric@28 | 211 | char pagesize [26]; /* Needs to hold two ints of four characters (0..3420), |
eric@28 | 212 | two zeros, three spaces, two brackets, and a NULL. |
eric@28 | 213 | Added an extra ten characters just in case. */ |
eric@28 | 214 | |
eric@10 | 215 | if (! TIFFSetDirectory (in, image - 1)) |
eric@10 | 216 | { |
eric@10 | 217 | fprintf (stderr, "can't find page %d of input file\n", image); |
eric@10 | 218 | goto fail; |
eric@10 | 219 | } |
eric@10 | 220 | if (1 != TIFFGetField (in, TIFFTAG_IMAGELENGTH, & image_length)) |
eric@10 | 221 | { |
eric@10 | 222 | fprintf (stderr, "can't get image length\n"); |
eric@10 | 223 | goto fail; |
eric@10 | 224 | } |
eric@10 | 225 | if (1 != TIFFGetField (in, TIFFTAG_IMAGEWIDTH, & image_width)) |
eric@10 | 226 | { |
eric@10 | 227 | fprintf (stderr, "can't get image width\n"); |
eric@10 | 228 | goto fail; |
eric@10 | 229 | } |
eric@29 | 230 | |
eric@29 | 231 | if (1 != TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, & samples_per_pixel)) |
eric@29 | 232 | { |
eric@29 | 233 | fprintf (stderr, "can't get samples per pixel\n"); |
eric@29 | 234 | goto fail; |
eric@29 | 235 | } |
eric@29 | 236 | |
eric@10 | 237 | #ifdef CHECK_DEPTH |
eric@10 | 238 | if (1 != TIFFGetField (in, TIFFTAG_IMAGEDEPTH, & image_depth)) |
eric@10 | 239 | { |
eric@10 | 240 | fprintf (stderr, "can't get image depth\n"); |
eric@10 | 241 | goto fail; |
eric@10 | 242 | } |
eric@10 | 243 | #endif |
eric@10 | 244 | |
eric@10 | 245 | if (1 != TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, & bits_per_sample)) |
eric@10 | 246 | { |
eric@10 | 247 | fprintf (stderr, "can't get bits per sample\n"); |
eric@10 | 248 | goto fail; |
eric@10 | 249 | } |
eric@10 | 250 | |
eric@10 | 251 | if (1 != TIFFGetField (in, TIFFTAG_PLANARCONFIG, & planar_config)) |
eric@10 | 252 | planar_config = 1; |
eric@10 | 253 | |
eric@10 | 254 | printf ("image length %u width %u, " |
eric@10 | 255 | #ifdef CHECK_DEPTH |
eric@10 | 256 | "depth %u, " |
eric@10 | 257 | #endif |
eric@10 | 258 | "planar config %u\n", |
eric@10 | 259 | image_length, image_width, |
eric@10 | 260 | #ifdef CHECK_DEPTH |
eric@10 | 261 | image_depth, |
eric@10 | 262 | #endif |
eric@10 | 263 | planar_config); |
eric@10 | 264 | |
eric@10 | 265 | if (1 != TIFFGetField (in, TIFFTAG_RESOLUTIONUNIT, & resolution_unit)) |
eric@10 | 266 | resolution_unit = 2; |
eric@10 | 267 | if (1 != TIFFGetField (in, TIFFTAG_XRESOLUTION, & x_resolution)) |
eric@10 | 268 | x_resolution = 300; |
eric@10 | 269 | if (1 != TIFFGetField (in, TIFFTAG_YRESOLUTION, & y_resolution)) |
eric@10 | 270 | y_resolution = 300; |
eric@10 | 271 | |
eric@10 | 272 | printf ("resolution unit %u, x resolution %f, y resolution %f\n", |
eric@10 | 273 | resolution_unit, x_resolution, y_resolution); |
eric@10 | 274 | |
eric@29 | 275 | if (samples_per_pixel != 1) |
eric@29 | 276 | { |
eric@29 | 277 | fprintf (stderr, "samples per pixel %u, must be 1\n", samples_per_pixel); |
eric@29 | 278 | goto fail; |
eric@29 | 279 | } |
eric@29 | 280 | |
eric@10 | 281 | #ifdef CHECK_DEPTH |
eric@10 | 282 | if (image_depth != 1) |
eric@10 | 283 | { |
eric@10 | 284 | fprintf (stderr, "image depth %u, must be 1\n", image_depth); |
eric@10 | 285 | goto fail; |
eric@10 | 286 | } |
eric@10 | 287 | #endif |
eric@10 | 288 | |
eric@10 | 289 | if (bits_per_sample != 1) |
eric@10 | 290 | { |
eric@10 | 291 | fprintf (stderr, "bits per sample %u, must be 1\n", bits_per_sample); |
eric@10 | 292 | goto fail; |
eric@10 | 293 | } |
eric@10 | 294 | |
eric@10 | 295 | if (planar_config != 1) |
eric@10 | 296 | { |
eric@10 | 297 | fprintf (stderr, "planar config %u, must be 1\n", planar_config); |
eric@10 | 298 | goto fail; |
eric@10 | 299 | } |
eric@10 | 300 | |
eric@28 | 301 | tiff_temp_fd = mkstemp (tiff_temp_fn); |
eric@28 | 302 | if (tiff_temp_fd < 0) |
eric@28 | 303 | { |
eric@28 | 304 | fprintf (stderr, "can't create temporary TIFF file\n"); |
eric@28 | 305 | goto fail; |
eric@28 | 306 | } |
eric@10 | 307 | |
eric@28 | 308 | tiff_temp = TIFFFdOpen (tiff_temp_fd, tiff_temp_fn, "w"); |
eric@28 | 309 | if (! out) |
eric@28 | 310 | { |
eric@28 | 311 | fprintf (stderr, "can't open temporary TIFF file '%s'\n", tiff_temp_fn); |
eric@28 | 312 | goto fail; |
eric@28 | 313 | } |
eric@10 | 314 | |
eric@28 | 315 | TIFFSetField (tiff_temp, TIFFTAG_IMAGELENGTH, image_length); |
eric@28 | 316 | TIFFSetField (tiff_temp, TIFFTAG_IMAGEWIDTH, image_width); |
eric@28 | 317 | TIFFSetField (tiff_temp, TIFFTAG_PLANARCONFIG, planar_config); |
eric@28 | 318 | |
eric@28 | 319 | TIFFSetField (tiff_temp, TIFFTAG_ROWSPERSTRIP, image_length); |
eric@10 | 320 | |
eric@28 | 321 | TIFFSetField (tiff_temp, TIFFTAG_RESOLUTIONUNIT, resolution_unit); |
eric@28 | 322 | TIFFSetField (tiff_temp, TIFFTAG_XRESOLUTION, x_resolution); |
eric@28 | 323 | TIFFSetField (tiff_temp, TIFFTAG_YRESOLUTION, y_resolution); |
eric@28 | 324 | |
eric@29 | 325 | TIFFSetField (tiff_temp, TIFFTAG_SAMPLESPERPIXEL, samples_per_pixel); |
eric@28 | 326 | TIFFSetField (tiff_temp, TIFFTAG_BITSPERSAMPLE, bits_per_sample); |
eric@28 | 327 | TIFFSetField (tiff_temp, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4); |
eric@28 | 328 | TIFFSetField (tiff_temp, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE); |
eric@10 | 329 | |
eric@10 | 330 | buffer = _TIFFmalloc (TIFFScanlineSize (in)); |
eric@10 | 331 | if (! buffer) |
eric@10 | 332 | { |
eric@10 | 333 | fprintf (stderr, "failed to allocate buffer\n"); |
eric@10 | 334 | goto fail; |
eric@10 | 335 | } |
eric@10 | 336 | |
eric@10 | 337 | for (row = 0; row < image_length; row++) |
eric@10 | 338 | { |
eric@10 | 339 | TIFFReadScanline (in, buffer, row, 0); |
eric@28 | 340 | TIFFWriteScanline (tiff_temp, buffer, row, 0); |
eric@10 | 341 | } |
eric@10 | 342 | |
eric@10 | 343 | _TIFFfree (buffer); |
eric@28 | 344 | TIFFClose (tiff_temp); |
eric@28 | 345 | |
eric@29 | 346 | width_points = (image_width / x_resolution) * POINTS_PER_INCH; |
eric@29 | 347 | height_points = (image_length / y_resolution) * POINTS_PER_INCH; |
eric@28 | 348 | |
eric@28 | 349 | if ((height_points > PAGE_MAX_POINTS) || (width_points > PAGE_MAX_POINTS)) |
eric@28 | 350 | { |
eric@28 | 351 | fprintf (stdout, "image too large (max %d inches on a side\n", PAGE_MAX_INCHES); |
eric@28 | 352 | goto fail; |
eric@28 | 353 | } |
eric@28 | 354 | |
eric@28 | 355 | printf ("height_points %d, width_points %d\n", height_points, width_points); |
eric@28 | 356 | |
eric@28 | 357 | sprintf (pagesize, "[0 0 %d %d]", width_points, height_points); |
eric@28 | 358 | |
eric@28 | 359 | page = panda_newpage (out->pdf, pagesize); |
eric@28 | 360 | panda_imagebox (out->pdf, |
eric@28 | 361 | page, |
eric@28 | 362 | 0, /* top */ |
eric@28 | 363 | 0, /* left */ |
eric@28 | 364 | height_points, /* bottom */ |
eric@28 | 365 | width_points, /* right */ |
eric@28 | 366 | tiff_temp_fn, |
eric@28 | 367 | panda_image_tiff); |
eric@28 | 368 | |
eric@29 | 369 | result = 1; |
eric@10 | 370 | |
eric@10 | 371 | fail: |
eric@29 | 372 | if (tiff_temp_fd) |
eric@29 | 373 | unlink (tiff_temp_fn); |
eric@29 | 374 | return (result); |
eric@10 | 375 | } |
eric@10 | 376 | |
eric@10 | 377 | |
eric@10 | 378 | int main (int argc, char *argv[]) |
eric@10 | 379 | { |
eric@10 | 380 | int result = 0; |
eric@10 | 381 | |
eric@10 | 382 | panda_init (); |
eric@10 | 383 | |
eric@10 | 384 | if (argc != 2) |
eric@10 | 385 | { |
eric@10 | 386 | fprintf (stderr, "usage: %s spec\n", argv [0]); |
eric@10 | 387 | result = 1; |
eric@10 | 388 | goto fail; |
eric@10 | 389 | } |
eric@10 | 390 | |
eric@17 | 391 | if (! parse_spec_file (argv [1])) |
eric@26 | 392 | { |
eric@26 | 393 | result = 2; |
eric@26 | 394 | goto fail; |
eric@26 | 395 | } |
eric@26 | 396 | |
eric@26 | 397 | if (! process_specs ()) |
eric@26 | 398 | { |
eric@26 | 399 | result = 3; |
eric@26 | 400 | goto fail; |
eric@26 | 401 | } |
eric@17 | 402 | |
eric@10 | 403 | fail: |
eric@10 | 404 | close_tiff_input_file (); |
eric@26 | 405 | close_pdf_output_files (); |
eric@10 | 406 | return (result); |
eric@10 | 407 | } |