void pdf_clean_file(fz_context *ctx, char *infile, char *outfile, char *password, fz_write_options *opts, char *argv[], int argc)
{
globals glo = { 0 };
glo.ctx = ctx;
fz_try(ctx)
{
glo.doc = pdf_open_document_no_run(ctx, infile);
if (pdf_needs_password(ctx, glo.doc))
if (!pdf_authenticate_password(ctx, glo.doc, password))
fz_throw(glo.ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile);
/* Only retain the specified subset of the pages */
if (argc)
retainpages(ctx, &glo, argc, argv);
pdf_write_document(ctx, glo.doc, outfile, opts);
}
fz_always(ctx)
{
pdf_close_document(ctx, glo.doc);
}
fz_catch(ctx)
{
if (opts && opts->errors)
*opts->errors = *opts->errors+1;
}
}
int pdfposter_main(int argc, char **argv)
{
char *infile;
char *outfile = "out.pdf";
char *password = "";
int c;
fz_write_options opts;
pdf_document *doc;
fz_context *ctx;
opts.do_incremental = 0;
opts.do_garbage = 0;
opts.do_expand = 0;
opts.do_ascii = 0;
while ((c = fz_getopt(argc, argv, "x:y:")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'x': x_factor = atoi(fz_optarg); break;
case 'y': y_factor = atoi(fz_optarg); 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++];
}
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
doc = pdf_open_document_no_run(ctx, infile);
if (pdf_needs_password(doc))
if (!pdf_authenticate_password(doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile);
/* Only retain the specified subset of the pages */
decimatepages(doc);
pdf_write_document(doc, outfile, &opts);
pdf_close_document(doc);
fz_free_context(ctx);
return 0;
}
int pdfextract_main(int argc, char **argv)
{
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_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
doc = pdf_open_document_no_run(ctx, infile);
if (pdf_needs_password(doc))
if (!pdf_authenticate_password(doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile);
if (fz_optind == argc)
{
int len = pdf_count_objects(doc);
for (o = 1; o < len; o++)
showobject(o);
}
else
{
while (fz_optind < argc)
{
showobject(atoi(argv[fz_optind]));
fz_optind++;
}
}
pdf_close_document(doc);
fz_flush_warnings(ctx);
fz_free_context(ctx);
return 0;
}
/*
** Get /Info strings, e.g. wmupdf_info_field("myfile.pdf","Author",buf,255);
** Info labels:
** Title Document title
** Author Name of the person who created the doc.
** Subject Subject of the doc
** Keywords Keywords associated with the document.
** Creator If doc was converted to PDF from another format, the name
** of the product that created the original document.
** Producer If doc was converted to PDF from another format, the name
** of the product that converted it to PDF.
** CreationDate Date/Time document was created.
** ModDate Date/Time of most recent mod.
*/
int wmupdf_info_field(char *infile,char *label,char *buf,int maxlen)
{
pdf_document *xref;
fz_context *ctx;
pdf_obj *info,*obj;
char *password="";
xref=NULL;
buf[0]='\0';
ctx = fz_new_context(NULL,NULL,FZ_STORE_UNLIMITED);
if (!ctx)
return(-1);
fz_try(ctx)
{
xref=pdf_open_document_no_run(ctx,infile);
if (!xref)
{
fz_free_context(ctx);
return(-2);
}
if (pdf_needs_password(xref) && !pdf_authenticate_password(xref,password))
{
pdf_close_document(xref);
fz_free_context(ctx);
return(-3);
}
if (xref->trailer!=NULL
&& (info=pdf_dict_gets(xref->trailer,"Info"))!=NULL
&& (obj=pdf_dict_gets(info,label))!=NULL
&& pdf_is_string(obj))
{
strncpy(buf,pdf_to_str_buf(obj),maxlen-1);
buf[maxlen-1]='\0';
}
}
fz_always(ctx)
{
pdf_close_document(xref);
}
fz_catch(ctx)
{
}
fz_free_context(ctx);
return(0);
}
int pdfinfo_main(int argc, char **argv)
{
enum { NO_FILE_OPENED, NO_INFO_GATHERED, INFO_SHOWN } state;
char *filename = "";
char *password = "";
int show = ALL;
int c;
while ((c = fz_getopt(argc, argv, "mfispxd:")) != -1)
{
switch (c)
{
case 'm': if (show == ALL) show = DIMENSIONS; else show |= DIMENSIONS; break;
case 'f': if (show == ALL) show = FONTS; else show |= FONTS; break;
case 'i': if (show == ALL) show = IMAGES; else show |= IMAGES; break;
case 's': if (show == ALL) show = SHADINGS; else show |= SHADINGS; break;
case 'p': if (show == ALL) show = PATTERNS; else show |= PATTERNS; break;
case 'x': if (show == ALL) show = XOBJS; else show |= XOBJS; break;
case 'd': password = fz_optarg; break;
default:
infousage();
break;
}
}
if (fz_optind == argc)
infousage();
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
state = NO_FILE_OPENED;
while (fz_optind < argc)
{
if (state == NO_FILE_OPENED || !arg_is_page_range(argv[fz_optind]))
{
if (state == NO_INFO_GATHERED)
{
showinfo(filename, show, "1-");
}
closexref();
filename = argv[fz_optind];
printf("%s:\n", filename);
doc = pdf_open_document_no_run(ctx, filename);
if (pdf_needs_password(doc))
if (!pdf_authenticate_password(doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", filename);
pagecount = pdf_count_pages(doc);
showglobalinfo();
state = NO_INFO_GATHERED;
}
else
{
showinfo(filename, show, argv[fz_optind]);
state = INFO_SHOWN;
}
fz_optind++;
}
if (state == NO_INFO_GATHERED)
showinfo(filename, show, "1-");
closexref();
fz_free_context(ctx);
return 0;
}
int pdfclean_main(int argc, char **argv)
{
char *infile;
char *outfile = "out.pdf";
char *password = "";
int c;
int subset;
fz_write_options opts;
int write_failed = 0;
opts.do_garbage = 0;
opts.do_expand = 0;
opts.do_ascii = 0;
opts.do_linear = 0;
while ((c = fz_getopt(argc, argv, "adfgilp:")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'g': opts.do_garbage ++; break;
case 'd': opts.do_expand ^= fz_expand_all; break;
case 'f': opts.do_expand ^= fz_expand_fonts; break;
case 'i': opts.do_expand ^= fz_expand_images; break;
case 'l': opts.do_linear ++; break;
case 'a': opts.do_ascii ++; 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_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
fz_try(ctx)
{
xref = pdf_open_document_no_run(ctx, infile);
if (pdf_needs_password(xref))
if (!pdf_authenticate_password(xref, password))
fz_throw(ctx, "cannot authenticate password: %s", infile);
/* Only retain the specified subset of the pages */
if (subset)
retainpages(argc, argv);
pdf_write_document(xref, outfile, &opts);
}
fz_always(ctx)
{
pdf_close_document(xref);
}
fz_catch(ctx)
{
write_failed = 1;
}
fz_free_context(ctx);
return write_failed ? 1 : 0;
}
/*
** Reconstruct PDF file per the information in pageinfo.
** use_forms==0: Old-style reconstruction where the pages are not turned into XObject Forms.
** use_forms==1: New-style where pages are turned into XObject forms.
*/
int wmupdf_remake_pdf(char *infile,char *outfile,WPDFPAGEINFO *pageinfo,int use_forms,FILE *out)
{
pdf_document *xref;
fz_context *ctx;
fz_write_options fzopts;
char *password="";
int status;
int write_failed;
fzopts.do_garbage=1; /* 2 and 3 don't work for this. */
fzopts.do_expand=0;
fzopts.do_ascii=0;
fzopts.do_linear=0;
write_failed=0;
wpdfpageinfo_sort(pageinfo);
xref=NULL;
/* New context */
ctx = fz_new_context(NULL,NULL,FZ_STORE_UNLIMITED);
if (!ctx)
{
nprintf(out,"wmupdf_remake_pdf: Cannot initialize context.\n");
return(-1);
}
fz_try(ctx)
{
xref=pdf_open_document_no_run(ctx,infile);
if (!xref)
{
fz_free_context(ctx);
nprintf(out,"wmupdf_remake_pdf: Cannot open PDF file %s.\n",infile);
return(-2);
}
if (pdf_needs_password(xref) && !pdf_authenticate_password(xref,password))
{
pdf_close_document(xref);
fz_free_context(ctx);
nprintf(out,"wmupdf_remake_pdf: Cannot authenticate PDF file %s.\n",infile);
return(-3);
}
status=wmupdf_pdfdoc_newpages(xref,ctx,pageinfo,use_forms,out);
if (status<0)
{
pdf_close_document(xref);
fz_free_context(ctx);
nprintf(out,"wmupdf_remake_pdf: Error re-paginating PDF file %s.\n",infile);
return(status);
}
info_update(ctx,xref,pageinfo->producer);
/* Write output */
pdf_write_document(xref,outfile,&fzopts);
}
fz_always(ctx)
{
pdf_close_document(xref);
}
fz_catch(ctx)
{
write_failed=1;
}
fz_free_context(ctx);
if (write_failed)
{
nprintf(out,"wmupdf_remake_pdf: Error writing output PDF file %s.\n",outfile);
return(-10);
}
return(0);
}
