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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.git)
// DO NOT EDIT

use crate::RenderNode;
use glib::object::IsA;
use glib::translate::*;
use glib::StaticType;
use std::fmt;
use std::mem;

glib::wrapper! {
    /// A render node drawing a set of glyphs.
    #[doc(alias = "GskTextNode")]
    pub struct TextNode(Shared<ffi::GskTextNode>);

    match fn {
        ref => |ptr| ffi::gsk_render_node_ref(ptr as *mut ffi::GskRenderNode),
        unref => |ptr| ffi::gsk_render_node_unref(ptr as *mut ffi::GskRenderNode),
    }
}

impl glib::StaticType for TextNode {
    fn static_type() -> glib::Type {
        unsafe { from_glib(ffi::gsk_text_node_get_type()) }
    }
}

impl TextNode {
    /// Creates a render node that renders the given glyphs.
    ///
    /// Note that @color may not be used if the font contains
    /// color glyphs.
    /// ## `font`
    /// the [`pango::Font`][crate::pango::Font] containing the glyphs
    /// ## `glyphs`
    /// the [`pango::GlyphString`][crate::pango::GlyphString] to render
    /// ## `color`
    /// the foreground color to render with
    /// ## `offset`
    /// offset of the baseline
    ///
    /// # Returns
    ///
    /// a new [`RenderNode`][crate::RenderNode]
    #[doc(alias = "gsk_text_node_new")]
    pub fn new(
        font: &impl IsA<pango::Font>,
        glyphs: &mut pango::GlyphString,
        color: &gdk::RGBA,
        offset: &graphene::Point,
    ) -> Option<TextNode> {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gsk_text_node_new(
                font.as_ref().to_glib_none().0,
                glyphs.to_glib_none_mut().0,
                color.to_glib_none().0,
                offset.to_glib_none().0,
            ))
        }
    }

    /// Retrieves the color used by the text @self.
    ///
    /// # Returns
    ///
    /// the text color
    #[doc(alias = "gsk_text_node_get_color")]
    #[doc(alias = "get_color")]
    pub fn color(&self) -> gdk::RGBA {
        unsafe { from_glib_none(ffi::gsk_text_node_get_color(self.to_glib_none().0)) }
    }

    /// Returns the font used by the text @self.
    ///
    /// # Returns
    ///
    /// the font
    #[doc(alias = "gsk_text_node_get_font")]
    #[doc(alias = "get_font")]
    pub fn font(&self) -> pango::Font {
        unsafe { from_glib_none(ffi::gsk_text_node_get_font(self.to_glib_none().0)) }
    }

    /// Retrieves the glyph information in the @self.
    ///
    /// # Returns
    ///
    /// the glyph information
    #[doc(alias = "gsk_text_node_get_glyphs")]
    #[doc(alias = "get_glyphs")]
    pub fn glyphs(&self) -> Vec<pango::GlyphInfo> {
        unsafe {
            let mut n_glyphs = mem::MaybeUninit::uninit();
            let ret = FromGlibContainer::from_glib_none_num(
                ffi::gsk_text_node_get_glyphs(self.to_glib_none().0, n_glyphs.as_mut_ptr()),
                n_glyphs.assume_init() as usize,
            );
            ret
        }
    }

    /// Retrieves the number of glyphs in the text node.
    ///
    /// # Returns
    ///
    /// the number of glyphs
    #[doc(alias = "gsk_text_node_get_num_glyphs")]
    #[doc(alias = "get_num_glyphs")]
    pub fn num_glyphs(&self) -> u32 {
        unsafe { ffi::gsk_text_node_get_num_glyphs(self.to_glib_none().0) }
    }

    /// Retrieves the offset applied to the text.
    ///
    /// # Returns
    ///
    /// a point with the horizontal and vertical offsets
    #[doc(alias = "gsk_text_node_get_offset")]
    #[doc(alias = "get_offset")]
    pub fn offset(&self) -> graphene::Point {
        unsafe { from_glib_none(ffi::gsk_text_node_get_offset(self.to_glib_none().0)) }
    }

    /// Checks whether the text @self has color glyphs.
    ///
    /// # Returns
    ///
    /// [`true`] if the text node has color glyphs
    #[cfg(any(feature = "v4_2", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_2")))]
    #[doc(alias = "gsk_text_node_has_color_glyphs")]
    pub fn has_color_glyphs(&self) -> bool {
        unsafe { from_glib(ffi::gsk_text_node_has_color_glyphs(self.to_glib_none().0)) }
    }
}

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