Esempio n. 1
0
bool Pdf::open(const QString& path)
      {
      char* name = path.toAscii().data();
      fz_try(ctx) {
            xref = pdf_open_xref(ctx, name, 0);
            pdf_load_page_tree(xref);
            }
      fz_catch(ctx) {
            pdf_free_xref(xref);
            xref = 0;
            }
      return true;
      }
Esempio n. 2
0
int main(int argc, char **argv)
{
	fz_error error;
	char *infile;
	char *password = "";
	int c, o;

	while ((c = fz_getopt(argc, argv, "p:r")) != -1)
	{
		switch (c)
		{
		case 'p': password = fz_optarg; break;
		case 'r': dorgb++; break;
		default: usage(); break;
		}
	}

	if (fz_optind == argc)
		usage();

	infile = argv[fz_optind++];

	ctx = fz_context_init(&fz_alloc_default);
	if (ctx == NULL)
		die(fz_error_note(ctx, 1, "failed to initialise context"));

	error = pdf_open_xref(ctx, &xref, infile, password);
	if (error)
		die(fz_error_note(ctx, error, "cannot open input file '%s'", infile));

	if (fz_optind == argc)
	{
		for (o = 0; o < xref->len; o++)
			showobject(o);
	}
	else
	{
		while (fz_optind < argc)
		{
			showobject(atoi(argv[fz_optind]));
			fz_optind++;
		}
	}

	pdf_free_xref(xref);

	fz_flush_warnings(ctx);
	fz_context_fin(ctx);

	return 0;
}
Esempio n. 3
0
int main(int argc, char **argv)
{
	fz_error error;
	char *infile;
	char *outfile = "out.pdf";
	char *password = "";
	int c, num;
	int subset;

	while ((c = fz_getopt(argc, argv, "adgp:")) != -1)
	{
		switch (c)
		{
		case 'p': password = fz_optarg; break;
		case 'g': dogarbage ++; break;
		case 'd': doexpand ++; break;
		case 'a': doascii ++; break;
		default: usage(); break;
		}
	}

	if (argc - fz_optind < 1)
		usage();

	infile = argv[fz_optind++];

	if (argc - fz_optind > 0 &&
		(strstr(argv[fz_optind], ".pdf") || strstr(argv[fz_optind], ".PDF")))
	{
		outfile = argv[fz_optind++];
	}

	subset = 0;
	if (argc - fz_optind > 0)
		subset = 1;

	ctx = fz_context_init(&fz_alloc_default);
	if (ctx == NULL)
		die(fz_error_note(ctx, 1, "failed to initialise context"));

	error = pdf_open_xref(ctx, &xref, infile, password);
	if (error)
		die(fz_error_note(ctx, error, "cannot open input file '%s'", infile));

	out = fopen(outfile, "wb");
	if (!out)
		die(fz_error_make(ctx, "cannot open output file '%s'", outfile));

	fprintf(out, "%%PDF-%d.%d\n", xref->version / 10, xref->version % 10);
	fprintf(out, "%%\316\274\341\277\246\n\n");

	uselist = fz_calloc(ctx, xref->len + 1, sizeof(char));
	ofslist = fz_calloc(ctx, xref->len + 1, sizeof(int));
	genlist = fz_calloc(ctx, xref->len + 1, sizeof(int));
	renumbermap = fz_calloc(ctx, xref->len + 1, sizeof(int));

	for (num = 0; num < xref->len; num++)
	{
		uselist[num] = 0;
		ofslist[num] = 0;
		genlist[num] = 0;
		renumbermap[num] = num;
	}

	/* Make sure any objects hidden in compressed streams have been loaded */
	preloadobjstms();

	/* Only retain the specified subset of the pages */
	if (subset)
		retainpages(argc, argv);

	/* Sweep & mark objects from the trailer */
	if (dogarbage >= 1)
		sweepobj(xref->trailer);

	/* Coalesce and renumber duplicate objects */
	if (dogarbage >= 3)
		removeduplicateobjs();

	/* Compact xref by renumbering and removing unused objects */
	if (dogarbage >= 2)
		compactxref();

	/* Make renumbering affect all indirect references and update xref */
	/* Do not renumber objects if encryption is in use, as the object
	 * numbers are baked into the streams/strings, and we can't currently
	 * cope with moving them. See bug 692627. */
	if (dogarbage >= 2 && xref->crypt == NULL)
		renumberobjs();

	writepdf();

	if (fclose(out))
		die(fz_error_make(ctx, "cannot close output file '%s'", outfile));

	fz_free(xref->ctx, uselist);
	fz_free(xref->ctx, ofslist);
	fz_free(xref->ctx, genlist);
	fz_free(xref->ctx, renumbermap);

	pdf_free_xref(xref);

	fz_flush_warnings(ctx);
	fz_context_fin(ctx);

	return 0;
}