poppler-page.h

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/*
 * Copyright (C) 2009-2010, Pino Toscano <pino@kde.org>
 * Copyright (C) 2018, 2020, Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
 * Copyright (C) 2018-2022, Albert Astals Cid <aacid@kde.org>
 * Copyright (C) 2018, Zsombor Hollay-Horvath <hollay.horvath@gmail.com>
 * Copyright (C) 2018, Aleksey Nikolaev <nae202@gmail.com>
 * Copyright (C) 2020, Jiri Jakes <freedesktop@jirijakes.eu>
 * Copyright (C) 2020, Adam Reichold <adam.reichold@t-online.de>
 *
 * 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_PAGE_H
#define POPPLER_PAGE_H
 
#include "poppler-global.h"
#include "poppler-rectangle.h"
 
#include <memory>
 
namespace poppler {
 
struct text_box_data;
class POPPLER_CPP_EXPORT text_box
{
    friend class page;
 
public:
    text_box(text_box &&) noexcept;
    text_box &operator=(text_box &&) noexcept;
 
    ~text_box();
 
    ustring text() const;
    rectf bbox() const;

    int rotation() const;

    rectf char_bbox(size_t i) const;
    bool has_space_after() const;

    bool has_font_info() const;

    enum writing_mode_enum
    {
        invalid_wmode = -1,
        horizontal_wmode = 0,
        vertical_wmode = 1
    };

    writing_mode_enum get_wmode(int i = 0) const;


    double get_font_size() const;


    std::string get_font_name(int i = 0) const;
 
private:
    explicit text_box(text_box_data *data);
 
    std::unique_ptr<text_box_data> m_data;
};
 
class document;
class document_private;
class page_private;
class page_transition;
 
class POPPLER_CPP_EXPORT page : public poppler::noncopyable
{
public:
    enum orientation_enum
    {
        landscape,
        portrait,
        seascape,
        upside_down
    };
    enum search_direction_enum
    {
        search_from_top,
        search_next_result,
        search_previous_result
    };
    enum text_layout_enum
    {
        physical_layout,
        raw_order_layout,
        non_raw_non_physical_layout 
    };
 
    ~page();
 
    orientation_enum orientation() const;
    double duration() const;
    rectf page_rect(page_box_enum box = crop_box) const;
    ustring label() const;
 
    page_transition *transition() const;
 
    bool search(const ustring &text, rectf &r, search_direction_enum direction, case_sensitivity_enum case_sensitivity, rotation_enum rotation = rotate_0) const;
    ustring text(const rectf &r = rectf()) const;
    ustring text(const rectf &r, text_layout_enum layout_mode) const;

    std::vector<text_box> text_list() const;
 
    /*
     * text_list_option_enum is a bitmask-style flags for text_list(),
     * 0 means the default & simplest behaviour.
     */
    enum text_list_option_enum
    {
        text_list_include_font = 1 // \since 0.89
    };

    std::vector<text_box> text_list(int opt_flag) const;
 
private:
    page(document_private *doc, int index);
 
    page_private *d;
    friend class page_private;
    friend class document;
};
 
}
 
#endif