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;
}
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;
}
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;
}
