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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::{Document, FontsIter};
use glib::translate::*;
use std::{fmt, ptr};

glib::wrapper! {
    ///
    #[doc(alias = "PopplerFontInfo")]
    pub struct FontInfo(Object<ffi::PopplerFontInfo>);

    match fn {
        type_ => || ffi::poppler_font_info_get_type(),
    }
}

impl FontInfo {
    /// Creates a new [`FontInfo`][crate::FontInfo] object
    /// ## `document`
    /// a [`Document`][crate::Document]
    ///
    /// # Returns
    ///
    /// a new [`FontInfo`][crate::FontInfo] instance
    #[doc(alias = "poppler_font_info_new")]
    pub fn new(document: &Document) -> FontInfo {
        unsafe { from_glib_full(ffi::poppler_font_info_new(document.to_glib_none().0)) }
    }

    /// Scans the document associated with `self` for fonts. At most
    /// `n_pages` will be scanned starting from the current iterator. `iter` will
    /// point to the first font scanned.
    ///
    /// Here is a simple example of code to scan fonts in a document
    ///
    /// `<informalexample>``<programlisting>`
    /// font_info = poppler_font_info_new (document);
    /// while (poppler_font_info_scan (font_info, 20, &fonts_iter)) {
    ///  if (!fonts_iter)
    ///  continue; /<!-- -->* No fonts found in these 20 pages *<!-- -->/
    ///  do {
    ///  /<!-- -->* Do something with font iter *<!-- -->/
    ///  g_print ("Font Name: `s`\n", poppler_fonts_iter_get_name (fonts_iter));
    ///  } while (poppler_fonts_iter_next (fonts_iter));
    ///  poppler_fonts_iter_free (fonts_iter);
    /// }
    /// `</programlisting>``</informalexample>`
    /// ## `n_pages`
    /// number of pages to scan
    ///
    /// # Returns
    ///
    /// [`true`], if there are more fonts left to scan
    ///
    /// ## `iter`
    /// return location for a [`FontsIter`][crate::FontsIter]
    #[doc(alias = "poppler_font_info_scan")]
    pub fn scan(&self, n_pages: i32) -> Option<FontsIter> {
        unsafe {
            let mut iter = ptr::null_mut();
            let ret = from_glib(ffi::poppler_font_info_scan(
                self.to_glib_none().0,
                n_pages,
                &mut iter,
            ));
            if ret {
                Some(from_glib_full(iter))
            } else {
                None
            }
        }
    }
}

impl fmt::Display for FontInfo {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("FontInfo")
    }
}