fz_error pdf_open_xref(pdf_xref **xrefp, const char *filename, char *password) { fz_error error; fz_stream *file; file = fz_open_file(filename); if (!file) return fz_throw("cannot open file '%s': %s", filename, strerror(errno)); error = pdf_open_xref_with_stream(xrefp, file, password); if (error) return fz_rethrow(error, "cannot load document '%s'", filename); fz_close(file); return fz_okay; }
static int _pdf_doc_load(struct _pdf_doc *self, mume_stream_t *stm) { fz_error error; fz_stream *fzstm; fz_rect *mbox; fz_obj *page_obj, *box_obj; int i, c; _pdf_doc_clear(self); fzstm = fz_new_stream(stm, _pdf_stream_read, _pdf_stream_close); mume_stream_reference(stm); fzstm->seek = _pdf_stream_seek; error = pdf_open_xref_with_stream(&self->xref, fzstm, NULL); fz_close(fzstm); if (error) { mume_error(("Read xref failed\n", error)); return 0; } assert(!pdf_needs_password(self->xref)); /* Load meta information. */ error = pdf_load_page_tree(self->xref); if (error) { mume_error(("Cannot load page tree\n")); return 0; } c = pdf_count_pages(self->xref); self->glyph_cache = fz_new_glyph_cache(); self->pages = calloc_abort(c, sizeof(pdf_page*)); self->disps = calloc_abort(c, sizeof(fz_display_list*)); self->media_boxes = malloc_abort(c * sizeof(fz_rect)); self->page_rotates = malloc_abort(c * sizeof(int)); /* Extract each pages' media box and rotation. */ for (i = 0; i < c; ++i) { mbox = self->media_boxes + i; page_obj = self->xref->page_objs[i]; if (!page_obj) { *mbox = fz_empty_rect; continue; } box_obj = fz_dict_gets(page_obj, "MediaBox"); *mbox = pdf_to_rect(box_obj); if (fz_is_empty_rect(*mbox)) { fz_warn("Cannot find page bounds, guessing page bounds."); mbox->x1 = 612; mbox->y1 = 792; } box_obj = fz_dict_gets(page_obj, "CropBox"); if (fz_is_array(box_obj)) *mbox = fz_intersect_rect(*mbox, pdf_to_rect(box_obj)); self->page_rotates[i] = fz_to_int( fz_dict_gets(page_obj, "Rotate")); if (self->page_rotates[i] % 90) self->page_rotates[i] = 0; } return 1; }
static void pdfapp_open_pdf(pdfapp_t *app, char *filename, int fd) { fz_error error; fz_stream *file; char *password = ""; fz_obj *obj; fz_obj *info; /* * Open PDF and load xref table */ file = fz_open_fd(fd); error = pdf_open_xref_with_stream(&app->xref, file, NULL); if (error) pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename)); fz_close(file); /* * Handle encrypted PDF files */ if (pdf_needs_password(app->xref)) { int okay = pdf_authenticate_password(app->xref, password); while (!okay) { password = winpassword(app, filename); if (!password) exit(1); okay = pdf_authenticate_password(app->xref, password); if (!okay) pdfapp_warn(app, "Invalid password."); } } /* * Load meta information */ app->outline = pdf_load_outline(app->xref); app->doctitle = filename; if (strrchr(app->doctitle, '\\')) app->doctitle = strrchr(app->doctitle, '\\') + 1; if (strrchr(app->doctitle, '/')) app->doctitle = strrchr(app->doctitle, '/') + 1; info = fz_dict_gets(app->xref->trailer, "Info"); if (info) { obj = fz_dict_gets(info, "Title"); if (obj) app->doctitle = pdf_to_utf8(obj); } /* * Start at first page */ error = pdf_load_page_tree(app->xref); if (error) pdfapp_error(app, fz_rethrow(error, "cannot load page tree")); app->pagecount = pdf_count_pages(app->xref); }
void pdfapp_open(pdfapp_t *app, char *filename) { #if 0 fz_error error; fz_obj *obj; char *password = ""; #else fz_error error; fz_stream *file; char *password = ""; fz_obj *obj; fz_obj *info; int fd; fd = open(filename, O_BINARY | O_RDONLY, 0666); if (fd < 0) fprintf(stderr, "error, file %s does not exist\n", filename); #endif /* * Open PDF and load xref table */ app->filename = filename; #if 0 app->xref = pdf_newxref(); error = pdf_loadxref(app->xref, filename); if (error) { fz_catch(error, "trying to air"); error = pdf_repairxref(app->xref, filename); if (error) pdfapp_error(app, error); } error = pdf_decryptxref(app->xref); if (error) pdfapp_error(app, error); #else file = fz_open_fd(fd); error = pdf_open_xref_with_stream(&app->xref, file, NULL); if (error) pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename)); fz_close(file); #endif /* * Handle encrypted PDF files */ if (pdf_needs_password(app->xref)) { int okay = pdf_authenticate_password(app->xref, password); while (!okay) { //password = winpassword(app, filename); if (!password) exit(1); okay = pdf_authenticate_password(app->xref, password); if (!okay) pdfapp_warn(app, "Invalid password."); } } /* * Load meta information * TODO: move this into mupdf library */ #if 0 obj = fz_dictgets(app->xref->trailer, "Root"); app->xref->root = fz_resolveindirect(obj); if (!app->xref->root) pdfapp_error(app, fz_throw("syntaxerror: missing Root object")); fz_keepobj(app->xref->root); obj = fz_dictgets(app->xref->trailer, "Info"); app->xref->info = fz_resolveindirect(obj); if (!app->xref->info) pdfapp_warn(app, "Could not load PDF meta information."); if (app->xref->info) fz_keepobj(app->xref->info); /*app->outline = pdf_loadoutline(app->xref);*/ app->doctitle = filename; if (strrchr(app->doctitle, '\\')) app->doctitle = strrchr(app->doctitle, '\\') + 1; if (strrchr(app->doctitle, '/')) app->doctitle = strrchr(app->doctitle, '/') + 1; if (app->xref->info) { obj = fz_dictgets(app->xref->info, "Title"); if (obj) { app->doctitle = pdf_toutf8(obj); } } #else app->outline = pdf_load_outline(app->xref); app->doctitle = filename; if (strrchr(app->doctitle, '\\')) app->doctitle = strrchr(app->doctitle, '\\') + 1; if (strrchr(app->doctitle, '/')) app->doctitle = strrchr(app->doctitle, '/') + 1; info = fz_dict_gets(app->xref->trailer, "Info"); if (info) { obj = fz_dict_gets(info, "Title"); if (obj) app->doctitle = pdf_to_utf8(obj); } #endif /* * Start at first page */ #if 0 app->pagecount = pdf_getpagecount(app->xref); #else error = pdf_load_page_tree(app->xref); if (error) pdfapp_error(app, fz_rethrow(error, "cannot load page tree")); app->pagecount = pdf_count_pages(app->xref); #endif app->rotate = 0; }