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// Take a look at the license at the top of the repository in the LICENSE file.

use crate::RenderNodeType;
use glib::object::IsA;
use glib::translate::*;

glib::wrapper! {
    /// A render node for a [`gdk::Texture`][crate::gdk::Texture].
    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
    #[doc(alias = "GskTextureNode")]
    pub struct TextureNode(Shared<ffi::GskTextureNode>);

    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),
    }
}

define_render_node!(
    TextureNode,
    ffi::GskTextureNode,
    ffi::gsk_texture_node_get_type,
    RenderNodeType::TextureNode
);

impl TextureNode {
    /// Creates a [`RenderNode`][crate::RenderNode] that will render the given
    /// `texture` into the area given by `bounds`.
    /// ## `texture`
    /// the [`gdk::Texture`][crate::gdk::Texture]
    /// ## `bounds`
    /// the rectangle to render the texture into
    ///
    /// # Returns
    ///
    /// A new [`RenderNode`][crate::RenderNode]
    #[doc(alias = "gsk_texture_node_new")]
    pub fn new<P: IsA<gdk::Texture>>(texture: &P, bounds: &graphene::Rect) -> Self {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gsk_texture_node_new(
                texture.as_ref().to_glib_none().0,
                bounds.to_glib_none().0,
            ))
        }
    }

    /// Retrieves the [`gdk::Texture`][crate::gdk::Texture] used when creating this [`RenderNode`][crate::RenderNode].
    ///
    /// # Returns
    ///
    /// the [`gdk::Texture`][crate::gdk::Texture]
    #[doc(alias = "gsk_texture_node_get_texture")]
    #[doc(alias = "get_texture")]
    pub fn texture(&self) -> Option<gdk::Texture> {
        unsafe { from_glib_none(ffi::gsk_texture_node_get_texture(self.to_glib_none().0)) }
    }
}