pdf文件转为多张图片

/* * Copyright (C) 2009-2010, Pino Toscano <[email protected]> * Copyright (C) 2016 Jakub Alba <[email protected]> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef POPPLER_DOCUMENT_H #define POPPLER_DOCUMENT_H #include "poppler-global.h" #include "poppler-font.h" namespace poppler { class document_private; class embedded_file; class page; class toc; class POPPLER_CPP_EXPORT document : public poppler::noncopyable { public: enum page_mode_enum { use_none, use_outlines, use_thumbs, fullscreen, use_oc, use_attach }; enum page_layout_enum { no_layout, single_page, one_column, two_column_left, two_column_right, two_page_left, two_page_right }; ~document(); bool is_locked() const; bool unlock(const std::string &owner_password, const std::string &user_password); page_mode_enum page_mode() const; page_layout_enum page_layout() const; void get_pdf_version(int *major, int *minor) const; std::vector<std::string> info_keys() const; ustring info_key(const std::string &key) const; bool set_info_key(const std::string &key, const ustring &val); time_type info_date(const std::string &key) const; bool set_info_date(const std::string &key, time_type val); ustring get_title() const; bool set_title(const ustring &title); ustring get_author() const; bool set_author(const ustring &author); ustring get_subject() const; bool set_subject(const ustring &subject); ustring get_keywords() const; bool set_keywords(const ustring &keywords); ustring get_creator() const; bool set_creator(const ustring &creator); ustring get_producer() const; bool set_producer(const ustring &producer); time_type get_creation_date() const; bool set_creation_date(time_type creation_date); time_type get_modification_date() const; bool set_modification_date(time_type mod_date); bool remove_info(); bool is_encrypted() const; bool is_linearized() const; bool has_permission(permission_enum which) const; ustring metadata() const; bool get_pdf_id(std::string *permanent_id, std::string *update_id) const; int pages() const; page* create_page(const ustring &label) const; page* create_page(int index) const; std::vector<font_info> fonts() const; font_iterator* create_font_iterator(int start_page = 0) const; toc* create_toc() const; bool has_embedded_files() const; std::vector<embedded_file *> embedded_files() const; bool save(const std::string &filename) const; bool save_a_copy(const std::string &filename) const; static document* load_from_file(const std::string &file_name, const std::string &owner_password = std::string(), const std::string &user_password = std::string()); static document* load_from_data(byte_array *file_data, const std::string &owner_password = std::string(), const std::string &user_password = std::string()); static document* load_from_raw_data(const char *file_data, int file_data_length, const std::string &owner_password = std::string(), const std::string &user_password = std::string()); private: document(document_private &dd); document_private *d; friend class document_private; }; } #endif