pdf2swf/pdf2swf.cc

   1 /* pdf2swf.cc
   2    main routine for pdf2swf(1)
   3
   4    Part of the swftools package.
   5
   6    Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  21
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include "../config.h"
  28 #ifdef HAVE_DIRENT_H
  29 #include <dirent.h>
  30 #endif
  31 #ifdef HAVE_SYS_STAT_H
  32 #include <sys/stat.h>
  33 #endif
  34 #include "../lib/args.h"
  35 #include "SWFOutputDev.h"
  36 extern "C" {
  37 #include "log.h"
  38 }
  39
  40 #ifndef WIN32
  41 #define FONTDIR SWFTOOLS_DATADIR "/fonts"
  42 #define SWFDIR SWFTOOLS_DATADIR "/swfs"
  43 #else
  44 #define FONTDIR "C:\\swftools\\fonts"
  45 #define SWFDIR "C:\\swftools\\swfs"
  46 #endif
  47
  48 static char * outputname = 0;
  49 static int loglevel = 3;
  50 static char * pagerange = 0;
  51 static char * filename = 0;
  52 static char * password = 0;
  53
  54 static char * preloader = 0;
  55 static char * viewer = 0;
  56
  57 char* fontpaths[256];
  58 int fontpathpos = 0;
  59
  60 static int system_quiet=0;
  61
  62 int systemf(const char* format, ...)
  63 {
  64     char buf[1024];
  65     int ret;
  66     va_list arglist;
  67     va_start(arglist, format);
  68     vsprintf(buf, format, arglist);
  69     va_end(arglist);
  70
  71     if(!system_quiet) {
  72         printf("%s\n", buf);
  73         fflush(stdout);
  74     }
  75     ret = system(buf);
  76     if(ret) {
  77         fprintf(stderr, "system() returned %d\n", ret);
  78         exit(ret);
  79     }
  80     return ret;
  81 }
  82
  83 int args_callback_option(char*name,char*val) {
  84     if (!strcmp(name, "o"))
  85     {
  86         outputname = val;
  87         return 1;
  88     }
  89     else if (!strcmp(name, "v"))
  90     {
  91         loglevel ++;
  92         return 0;
  93     }
  94     else if (!strcmp(name, "q"))
  95     {
  96         loglevel --;
  97         system_quiet = 1;
  98         return 0;
  99     }
 100     else if (name[0]=='p')
 101     {
 102         /* check whether the page range follows the p directly, like
 103            in -p1,2 */
 104         do {
 105             name++;
 106         } while(*name == 32 || *name == 13 || *name == 10 || *name == '\t');
 107
 108         if(*name) {
 109             pagerange = name;
 110             return 0;
 111         }
 112         pagerange = val;
 113         return 1;
 114     }
 115     else if (!strcmp(name, "P"))
 116     {
 117         password = val;
 118         return 1;
 119     }
 120     else if (!strcmp(name, "s"))
 121     {
 122         char*s = strdup(val);
 123         char*c = strchr(s, '=');
 124         if(c && *c && c[1])  {
 125             *c = 0;
 126             c++;
 127             pdfswf_setparameter(s,c);
 128         }
 129         else
 130             pdfswf_setparameter(s,"1");
 131         return 1;
 132     }
 133     else if (!strcmp(name, "S"))
 134     {
 135         pdfswf_drawonlyshapes();
 136         return 0;
 137     }
 138     else if (!strcmp(name, "i"))
 139     {
 140         pdfswf_ignoredraworder();
 141         return 0;
 142     }
 143     else if (!strcmp(name, "z"))
 144     {
 145         pdfswf_enablezlib();
 146         return 0;
 147     }
 148     else if (!strcmp(name, "n"))
 149     {
 150         pdfswf_linksopennewwindow();
 151         return 0;
 152     }
 153     else if (!strcmp(name, "t"))
 154     {
 155         pdfswf_insertstop();
 156         return 0;
 157     }
 158     else if (!strcmp(name, "T"))
 159     {
 160         int i = atoi(val);
 161         if(!strcasecmp(val, "mx"))
 162             i = 6;
 163         pdfswf_setversion(i);
 164         return 1;
 165     }
 166     else if (!strcmp(name, "f"))
 167     {
 168         pdfswf_storeallcharacters();
 169         return 0;
 170     }
 171     else if (!strcmp(name, "F"))
 172     {
 173         char *s = strdup(val);
 174         int l = strlen(s);
 175         while(l && s[l-1]=='/') {
 176             s[l-1] = 0;
 177             l--;
 178         }
 179         fontpaths[fontpathpos++] = s;
 180         return 1;
 181     }
 182     else if (!strcmp(name, "l"))
 183     {
 184         char buf[256];
 185         sprintf(buf, "%s/default_loader.swf", SWFDIR);
 186         preloader = strdup(buf);
 187         return 0;
 188     }
 189     else if (!strcmp(name, "b"))
 190     {
 191         char buf[256];
 192         sprintf(buf, "%s/default_viewer.swf", SWFDIR);
 193         viewer = strdup(buf);
 194         return 0;
 195     }
 196     else if (!strcmp(name, "L"))
 197     {
 198         if(val)
 199         {
 200             preloader = val;
 201         }
 202         else
 203         {
 204             systemf("ls %s/*_loader.swf", SWFDIR);
 205             if(!system_quiet)
 206                 printf("\n");
 207             exit(1);
 208         }
 209         return 1;
 210     }
 211     else if (!strcmp(name, "B"))
 212     {
 213         if(val)
 214         {
 215             viewer = val;
 216         }
 217         else
 218         {
 219             systemf("ls %s/*_viewer.swf", SWFDIR);
 220             if(!system_quiet)
 221                 printf("\n");
 222             exit(1);
 223         }
 224         return 1;
 225     }
 226     else if (!strcmp(name, "j"))
 227     {
 228         if(name[1]) {
 229             pdfswf_jpegquality(atoi(&name[1]));
 230             return 0;
 231         } else {
 232             pdfswf_jpegquality(atoi(val));
 233             return 1;
 234         }
 235     }
 236     else if (!strcmp(name, "V"))
 237     {
 238         printf("pdf2swf - part of %s %s\n", PACKAGE, VERSION);
 239         exit(0);
 240     }
 241     else
 242     {
 243         fprintf(stderr, "Unknown option: -%s\n", name);
 244         exit(1);
 245     }
 246     return 0;
 247 }
 248
 249 /*struct docoptions_t options[] =
 250 {{"o","output","filename::Specify output file"},
 251  {"V","version","Print program version"},
 252  {"i","ignore","Ignore draw order (makes the SWF file smaller, but may produce graphic errors)"},
 253  {"z","zlib","Use Flash 6 (MX) zlib compression (Needs at least Flash 6 Plugin to play)"},
 254  {"s","shapes","Don't use SWF Fonts, but store everything as shape"},
 255  {"j","jpegquality","Set quality of embedded jpeg pictures (default: 85)"},
 256  {"p","pages","Convert only pages in range. (E.g. 3-85)"},
 257  {"w","samewindow","Don't open a new browser window for links in the SWF"},
 258  {"f","fonts","Stroe full fonts in SWF. (Don't reduce to used characters)"},
 259  {"F","fontpath","path::Add directory to font search path"},
 260  {"B","viewer","name::Link viewer \"name\" to the pdf"},
 261  {"L","preloader","file.swf::Link preloader \"file.swf\" to the pdf"},
 262  {"b","defaultviewer","Link default viewer to the pdf"},
 263  {"l","defaultpreloader","Link default preloader to the pdf"}
 264  {0,0}
 265 };*/
 266 struct options_t options[] =
 267 {{"o","output"},
 268  {"q","quiet"},
 269  {"V","version"},
 270  {"i","ignore"},
 271  {"z","zlib"},
 272  {"s","set"},
 273  {"S","shapes"},
 274  {"j","jpegquality"},
 275  {"p","pages"},
 276  {"w","samewindow"},
 277  {"f","fonts"},
 278  {"F","fontdir"},
 279  {"B","viewer"},
 280  {"L","preloader"},
 281  {"b","defaultviewer"},
 282  {"l","defaultpreloader"},
 283  {"t","stop"},
 284  {"T","flashversion"},
 285  {0,0}
 286 };
 287
 288 int args_callback_longoption(char*name,char*val) {
 289     return args_long2shortoption(options, name, val);
 290 }
 291
 292 int args_callback_command(char*name, char*val) {
 293     if (!filename)
 294         filename = name;
 295     else {
 296         if(outputname)
 297         {
 298              fprintf(stderr, "Error: Do you want the output to go to %s or to %s?",
 299                      outputname, name);
 300              exit(1);
 301         }
 302         outputname = name;
 303     }
 304     return 0;
 305 }
 306
 307 void args_callback_usage(char*name)
 308 {
 309     printf("Usage: %s [Options] input.pdf [-o output.swf]\n", name);
 310     printf("\nBasic options:\n");
 311     printf("-p  --pages=range          Convert only pages in range\n");
 312     printf("-P  --password=password    Use password for deciphering the pdf\n");
 313     printf("-v  --verbose              Be verbose. Use more than one -v for greater effect\n");
 314     printf("-q  --quiet                Suppress normal messages. Use -qq to suppress warnings, also.\n");
 315 #ifdef HAVE_DIRENT_H
 316     printf("-F  --fontdir directory    Add directory to font search path\n");
 317 #endif
 318     printf("-V  --version              Print program version\n");
 319     printf("\nEnhanced conversion options:\n");
 320     printf("-S  --shapes               Don't use SWF Fonts, but store everything as shape\n");
 321     printf("-z  --zlib                 Use Flash 6 (MX) zlib compression (Needs at least Flash 6 Plugin to play)\n");
 322     printf("-w  --samewindow           Don't open a new Browser Window for Links in the SWF\n");
 323     printf("-f  --fonts                Store full fonts in SWF. (Don't reduce to used characters)\n");
 324     printf("-T  --flashversion=num     Set the flash version in the header to num (default: 4)\n");
 325     printf("-s insertstop              Insert a \"Stop\" Tag in every frame (don't turn pages automatically)\n");
 326     printf("-s jpegquality=quality     Set quality of embedded jpeg pictures (default:85)\n");
 327     printf("-s caplinewidth=value      Set the minimum line width to trigger cap style handling to value. (3)\n");
 328     printf("-s splinequality=value     Set the quality of spline convertion to value (0-100, default: 100).\n");
 329     printf("-s fontquality=value       Set the quality of font convertion to value (0-100, default: 100).\n");
 330     printf("-s ignoredraworder         Ignore draw order (makes the SWF file smaller, but may produce\n"
 331            "                           graphic errors)\n");
 332     printf("-s filloverlap             Make intersecting shapes overlap, instead of canceling each\n"
 333            "                           other out. (Needed for some Powerpoint PDFs)\n");
 334     printf("Postprocessing options:\n");
 335 #ifndef SYSTEM_BACKTICKS
 336     printf("(They might not work because your system call doesn't support command substitution)\n");
 337 #endif
 338     printf("-b  --defaultviewer        Link default viewer to the pdf (%s/swfs/default_viewer.swf)\n", SWFTOOLS_DATADIR);
 339     printf("-l  --defaultpreloader     Link default preloader the pdf (%s/swfs/default_loader.swf)\n", SWFTOOLS_DATADIR);
 340     printf("-B  --viewer=filename      Link viewer \"name\" to the pdf (\"%s -B\" for list)\n", name);
 341     printf("-L  --preloader=filename   Link preloader \"name\" to the pdf (\"%s -L\" for list)\n",name);
 342 }
 343
 344 #ifdef HAVE_DIRENT_H
 345 void addfontdir(char* dirname, int*numfonts)
 346 {
 347     if(!numfonts)
 348         msg("<verbose> Adding %s to search path\n", dirname);
 349
 350     DIR*dir = opendir(dirname);
 351     if(!dir) {
 352         msg("<warning> Couldn't open directory %s\n", dirname);
 353         return;
 354     }
 355     dirent*ent;
 356     while(1) {
 357         ent = readdir (dir);
 358         if (!ent)
 359             break;
 360         int l;
 361         char*name = ent->d_name;
 362         char type = 0;
 363         if(!name) continue;
 364         l=strlen(name);
 365         if(l<4)
 366             continue;
 367         if(!strncasecmp(&name[l-4], ".pfa", 4))
 368             type=1;
 369         if(!strncasecmp(&name[l-4], ".pfb", 4))
 370             type=3;
 371         if(!strncasecmp(&name[l-4], ".ttf", 4))
 372             type=2;
 373         if(type)
 374         {
 375             char*fontname = (char*)malloc(strlen(dirname)+strlen(name)+2);
 376             strcpy(fontname, dirname);
 377 #ifdef WIN32
 378                 strcat(fontname, "\\");
 379 #else
 380                 strcat(fontname, "/");
 381 #endif
 382             strcat(fontname, name);
 383             if(!numfonts)
 384                 msg("<debug> Adding %s to fonts", fontname);
 385             pdfswf_addfont(fontname);
 386             if(numfonts)
 387                 (*numfonts)++;
 388         }
 389     }
 390     closedir(dir);
 391 }
 392 #endif
 393
 394 char* stripfilename(char*filename, char*newext)
 395 {
 396     char*last1 = strrchr(filename, '/');
 397     char*last2 = strrchr(filename, '\\');
 398     char*pos = filename;
 399     char*name;
 400     char*dot;
 401     if(last1>pos) pos = last1 + 1;
 402     if(last2>pos) pos = last2 + 1;
 403     name = (char*)malloc(strlen(pos)+5);
 404     strcpy(name, pos);
 405     dot = strrchr(name, '.');
 406     if(dot) {
 407         *dot = 0;
 408     }
 409     strcat(name, newext);
 410     return name;
 411 }
 412
 413 int main(int argn, char *argv[])
 414 {
 415     int ret;
 416     char buf[256];
 417     int numfonts = 0;
 418     int t;
 419     char t1searchpath[1024];
 420
 421 #if defined(WIN32) && defined(HAVE_STAT) && defined(HAVE_SYS_STAT_H)
 422     FILE*test = fopen(FONTDIR "\\d050000l.afm", "rb");
 423     if(!test) {
 424         fprintf(stderr, "Couldn't find file " FONTDIR "\\d050000l.afm- pdf2swf not installed properly? OS says:\n");
 425         perror("open");
 426         exit(1);
 427     }
 428     fclose(test);
 429 #endif
 430
 431 #ifdef HAVE_SRAND48
 432     srand48(time(0));
 433 #else
 434 #ifdef HAVE_SRAND
 435     srand(time(0));
 436 #endif
 437 #endif
 438     processargs(argn, argv);
 439     initLog(0,-1,0,0,-1,loglevel);
 440
 441     if(!filename)
 442     {
 443         fprintf(stderr, "Please specify an input file\n");
 444         exit(1);
 445     }
 446
 447     if(!outputname)
 448     {
 449         if(filename) {
 450             outputname = stripfilename(filename, ".swf");
 451             msg("<notice> Output filename not given. Writing to %s", outputname);
 452         }
 453     }
 454
 455     if(!outputname)
 456     {
 457         fprintf(stderr, "Please use -o to specify an output file\n");
 458         exit(1);
 459     }
 460
 461     // test if the page range is o.k.
 462     is_in_range(0x7fffffff, pagerange);
 463
 464     if (!filename) {
 465         args_callback_usage(argv[0]);
 466         exit(0);
 467     }
 468
 469 #ifdef HAVE_DIRENT_H
 470     // pass 1
 471     addfontdir(FONTDIR, &numfonts);
 472     for(t=0;t<fontpathpos;t++) {
 473         addfontdir(fontpaths[t], &numfonts);
 474     }
 475     // pass 2
 476     addfontdir(FONTDIR, 0);
 477     for(t=0;t<fontpathpos;t++) {
 478         addfontdir(fontpaths[t], 0);
 479     }
 480 #else
 481     msg("<error> Couldn't find any fonts!");
 482 #endif
 483
 484     pdfswf_init(filename, password);
 485     pdfswf_setoutputfilename(outputname);
 486
 487     int pages = pdfswf_numpages();
 488     for(t = 1; t <= pages; t++)
 489     {
 490         if(is_in_range(t, pagerange))
 491         pdfswf_convertpage(t);
 492     }
 493     pdfswf_performconversion();
 494
 495     pdfswf_close();
 496
 497     if(viewer || preloader) {
 498 #ifndef SYSTEM_BACKTICKS
 499         msg("<warning> Not sure whether system() can handle command substitution");
 500         msg("<warning> (According to config.h, it can't)");
 501 #endif
 502         if(!system_quiet)
 503             printf("\n");
 504     }
 505
 506     if(viewer && !preloader) {
 507         systemf("swfcombine `swfdump -XY \"%s\"` \"%s\" viewport=\"%s\" -o \"%s\"",
 508                 outputname, viewer, outputname, outputname);
 509         if(!system_quiet)
 510             printf("\n");
 511     }
 512     if(preloader && !viewer) {
 513         msg("<warning> --preloader option without --viewer option doesn't make very much sense.");
 514         ret = systemf("swfcombine `swfdump -r \"%s\"` %s/PreLoaderTemplate.swf loader=\"%s\" movie=\"%s\" -o \"%s\"",
 515                 preloader, SWFDIR, preloader, outputname, outputname);
 516         if(!system_quiet)
 517             printf("\n");
 518     }
 519     if(preloader && viewer) {
 520         systemf("swfcombine \"%s\" viewport=%s -o __tmp__.swf",
 521                 viewer, outputname, outputname);
 522         systemf("swfcombine `swfdump -XY \"%s\"` `swfdump -r \"%s\"` %s/PreLoaderTemplate.swf loader=%s movie=__tmp__.swf -o \"%s\"",
 523                 outputname, preloader, SWFDIR, preloader, outputname);
 524         systemf("rm __tmp__.swf");
 525     }
 526
 527     return 0;
 528 }
 529
 530