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

use glib::object::IsA;
use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// [`Font`][crate::Font] is an interface exported by fonts for
    /// use with Cairo. The actual type of the font will depend
    /// on the particular font technology Cairo was compiled to use.
    ///
    /// # Implements
    ///
    /// [`FontExt`][trait@crate::prelude::FontExt], [`trait@pango::prelude::FontExt`]
    #[doc(alias = "PangoCairoFont")]
    pub struct Font(Interface<ffi::PangoCairoFont>) @requires pango::Font;

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

pub const NONE_FONT: Option<&Font> = None;

/// Trait containing all [`struct@Font`] methods.
///
/// # Implementors
///
/// [`Font`][struct@crate::Font]
pub trait FontExt: 'static {
    /// Gets the [`cairo::ScaledFont`][crate::cairo::ScaledFont] used by `self`.
    /// The scaled font can be referenced and kept using
    /// `cairo_scaled_font_reference()`.
    ///
    /// # Returns
    ///
    /// the [`cairo::ScaledFont`][crate::cairo::ScaledFont] used by `self`,
    ///  or [`None`] if `self` is [`None`].
    #[doc(alias = "pango_cairo_font_get_scaled_font")]
    #[doc(alias = "get_scaled_font")]
    fn scaled_font(&self) -> Option<cairo::ScaledFont>;
}

impl<O: IsA<Font>> FontExt for O {
    fn scaled_font(&self) -> Option<cairo::ScaledFont> {
        unsafe {
            from_glib_none(ffi::pango_cairo_font_get_scaled_font(
                self.as_ref().to_glib_none().0,
            ))
        }
    }
}

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