void closexref(void)
{
int i;
if (doc)
{
pdf_close_document(doc);
doc = NULL;
}
if (dim)
{
for (i = 0; i < dims; i++)
fz_free(ctx, dim[i].u.dim.bbox);
fz_free(ctx, dim);
dim = NULL;
dims = 0;
}
if (font)
{
fz_free(ctx, font);
font = NULL;
fonts = 0;
}
if (image)
{
fz_free(ctx, image);
image = NULL;
images = 0;
}
if (shading)
{
fz_free(ctx, shading);
shading = NULL;
shadings = 0;
}
if (pattern)
{
fz_free(ctx, pattern);
pattern = NULL;
patterns = 0;
}
if (form)
{
fz_free(ctx, form);
form = NULL;
forms = 0;
}
if (psobj)
{
fz_free(ctx, psobj);
psobj = NULL;
psobjs = 0;
}
}
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;
}
}
Document *PDFDocument::Open(const std::string &path,
int page_cache_size) {
fz_context *context = fz_new_context(nullptr, nullptr, FZ_STORE_DEFAULT);
pdf_document *raw_pdf_document = nullptr;
fz_try(context) {
raw_pdf_document = pdf_open_document(context, path.c_str());
if ((raw_pdf_document == nullptr) || (!pdf_count_pages(raw_pdf_document))) {
fz_throw(context,
FZ_ERROR_GENERIC,
const_cast<char *>("Cannot open document \"%s\""),
path.c_str());
}
} fz_catch(context) {
if (raw_pdf_document != nullptr) {
pdf_close_document(raw_pdf_document);
}
fz_free_context(context);
return nullptr;
}
PDFDocument *document = new PDFDocument(page_cache_size);
document->_fz_context = context;
document->_pdf_document = raw_pdf_document;
return document;
}
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(ctx, infile);
if (pdf_needs_password(ctx, doc))
if (!pdf_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile);
if (fz_optind == argc)
{
int len = pdf_count_objects(ctx, doc);
for (o = 1; o < len; o++)
showobject(o);
}
else
{
while (fz_optind < argc)
{
showobject(atoi(argv[fz_optind]));
fz_optind++;
}
}
pdf_close_document(ctx, doc);
fz_flush_warnings(ctx);
fz_drop_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);
}
JNIEXPORT void JNICALL
Java_com_artifex_mupdf_MuPDFCore_destroying(JNIEnv * env, jobject thiz)
{
fz_free_display_list(ctx, currentPageList);
currentPageList = NULL;
pdf_close_document(xref);
xref = NULL;
}
int pdfposter_main(int argc, char **argv)
{
char *infile;
char *outfile = "out.pdf";
char *password = "";
int c;
fz_write_options opts = { 0 };
pdf_document *doc;
fz_context *ctx;
opts.do_incremental = 0;
opts.do_garbage = 0;
opts.do_expand = 0;
opts.do_ascii = 0;
opts.do_linear = 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(ctx, infile);
if (pdf_needs_password(ctx, doc))
if (!pdf_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", infile);
decimatepages(ctx, doc);
pdf_write_document(ctx, doc, outfile, &opts);
pdf_close_document(ctx, doc);
fz_drop_context(ctx);
return 0;
}
static int
pdfpages_pages(fz_context *ctx, fz_output *out, char *filename, char *password, char *argv[], int argc)
{
enum { NO_FILE_OPENED, NO_INFO_GATHERED, INFO_SHOWN } state;
int argidx = 0;
pdf_document *doc = NULL;
int ret = 0;
state = NO_FILE_OPENED;
while (argidx < argc)
{
if (state == NO_FILE_OPENED || !arg_is_page_range(argv[argidx]))
{
if (state == NO_INFO_GATHERED)
{
showpages(ctx, doc, out, "1-");
}
pdf_close_document(ctx, doc);
filename = argv[argidx];
fz_printf(ctx, out, "%s:\n", filename);
doc = pdf_open_document(ctx, filename);
if (pdf_needs_password(ctx, doc))
if (!pdf_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", filename);
state = NO_INFO_GATHERED;
}
else
{
ret |= showpages(ctx, doc, out, argv[argidx]);
state = INFO_SHOWN;
}
argidx++;
}
if (state == NO_INFO_GATHERED)
showpages(ctx, doc, out, "1-");
pdf_close_document(ctx, doc);
return ret;
}
int pdfposter_main(int argc, char **argv)
{
char *infile;
char *outfile = "out.pdf";
char *password = "";
int c;
fz_write_options opts;
pdf_document *xref;
fz_context *ctx;
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);
}
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 */
decimatepages(xref);
pdf_write_document(xref, outfile, &opts);
pdf_close_document(xref);
fz_free_context(ctx);
return 0;
}
PDFDocument::~PDFDocument() {
// Must destroy page cache explicitly first, since destroying cached pages
// involves clearing MuPDF state, which requires document structures
// (_pdf_document, _fz_context) to still exist.
_page_cache.reset();
pdf_close_document(_pdf_document);
fz_free_context(_fz_context);
}
JNIEXPORT int JNICALL
Java_com_artifex_mupdf_MuPDFCore_openFile(JNIEnv * env, jobject thiz, jstring jfilename)
{
const char *filename;
int pages = 0;
filename = (*env)->GetStringUTFChars(env, jfilename, NULL);
if (filename == NULL)
{
LOGE("Failed to get filename");
return 0;
}
/* 128 MB store for low memory devices. Tweak as necessary. */
ctx = fz_new_context(NULL, NULL, 128 << 20);
if (!ctx)
{
LOGE("Failed to initialise context");
return 0;
}
xref = NULL;
fz_try(ctx)
{
colorspace = fz_device_rgb;
LOGE("Opening document...");
fz_try(ctx)
{
xref = pdf_open_document(ctx, filename);
}
fz_catch(ctx)
{
fz_throw(ctx, "Cannot open document: '%s'\n", filename);
}
pages = pdf_count_pages(xref);
LOGE("Done! %d pages", pages);
}
fz_catch(ctx)
{
LOGE("Failed: %s", ctx->error->message);
pdf_close_document(xref);
xref = NULL;
fz_free_context(ctx);
ctx = NULL;
}
return pages;
}
void benchfile(char *pdffilename, int loadonly, int pageNo)
{
pdf_document *xref = NULL;
mstimer timer;
int page_count;
int curpage;
fz_context *ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
if (!ctx) {
logbench("Error: fz_new_context() failed\n");
return;
}
logbench("Starting: %s\n", pdffilename);
timerstart(&timer);
fz_var(xref);
fz_try(ctx) {
xref = openxref(ctx, pdffilename);
}
fz_catch(ctx) {
goto Exit;
}
timerstop(&timer);
logbench("load: %.2f ms\n", timeinms(&timer));
page_count = pdf_count_pages(xref);
logbench("page count: %d\n", page_count);
if (loadonly)
goto Exit;
for (curpage = 1; curpage <= page_count; curpage++) {
pdf_page *page;
if ((-1 != pageNo) && (pageNo != curpage))
continue;
page = benchloadpage(ctx, xref, curpage);
if (page) {
benchrenderpage(ctx, xref, page, curpage);
pdf_free_page(xref, page);
}
}
Exit:
logbench("Finished: %s\n", pdffilename);
pdf_close_document(xref);
fz_free_context(ctx);
}
ErrorCode juggler_put_page_contents(juggler_t *src, const char *filename)
{
pdf_document *new_doc = test_creation(src);
struct pos_info *pos = calloc(src->pagecount, sizeof(struct pos_info));
int i = 0;
for(; i < src->pagecount; i++) {
//, 695 * i, 0, 695, 942, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0 };
pos[i].scale = 1.0;
pos[i].x = 595.27 * (i % 2);
pos[i].y = 0;
pos[i].width = 595.27;
pos[i].height = 842;
pos[i].outer_clip_x = pos[i].x;
pos[i].outer_clip_y = pos[i].y;
pos[i].outer_clip_width = pos[i].width;
pos[i].outer_clip_height = pos[i].height;
pos[i].sheet_pagenum = i / 2;
pos[i].src_pagenum = i;
}
put_pages_on_new_sheet(src->ctx, new_doc, src->ctx, src->pdf, pos, src->pagecount);
/* write the new document to disk */
fz_write_options write_options;
write_options.do_incremental = 0;
write_options.do_ascii = 0;
write_options.do_expand = 0;
write_options.do_garbage = 1;
write_options.do_linear = 0;
write_options.do_clean = 0;
write_options.continue_on_error = 0;
pdf_write_document(src->ctx, new_doc, filename, &write_options);
/* and close it */
pdf_close_document(src->ctx, new_doc);
return(NoError);
}
pdf_document *openxref(fz_context *ctx, char *filename)
{
pdf_document *xref = pdf_open_document(ctx, filename);
fz_try(ctx)
{
if (pdf_needs_password(xref))
{
logbench("Warning: password protected document\n");
fz_throw(ctx, "document requires password");
}
pdf_count_pages(xref);
}
fz_catch(ctx)
{
pdf_close_document(xref);
fz_rethrow(ctx);
}
return xref;
}
/*
** 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);
}
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;
}
int main(int argc, char **argv)
#endif
{
char *infile;
char *outfile = "out.pdf";
char *password = "";
int c, num;
int subset;
while ((c = fz_getopt(argc, argv, "adfgip:")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'g': dogarbage ++; break;
case 'd': doexpand ^= expand_all; break;
case 'f': doexpand ^= expand_fonts; break;
case 'i': doexpand ^= expand_images; 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_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
xref = pdf_open_document(ctx, infile);
if (pdf_needs_password(xref))
if (!pdf_authenticate_password(xref, password))
fz_throw(ctx, "cannot authenticate password: %s\n", infile);
out = fopen(outfile, "wb");
if (!out)
fz_throw(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_malloc_array(ctx, xref->len + 1, sizeof(char));
ofslist = fz_malloc_array(ctx, xref->len + 1, sizeof(int));
genlist = fz_malloc_array(ctx, xref->len + 1, sizeof(int));
renumbermap = fz_malloc_array(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)
renumberobjs();
writepdf();
if (fclose(out))
fz_throw(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_close_document(xref);
fz_free_context(ctx);
return 0;
}
PdfCreator::~PdfCreator()
{
pdf_close_document(doc);
fz_free_context(ctx);
}
Document::~Document ()
{
pdf_close_document (MuDoc_);
}
