gsk4/auto/
texture_scale_node.rs

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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 crate::{ffi, ScalingFilter};
use glib::{prelude::*, translate::*};

glib::wrapper! {
    /// A render node for a [`gdk::Texture`][crate::gdk::Texture].
    #[doc(alias = "GskTextureScaleNode")]
    pub struct TextureScaleNode(Shared<ffi::GskTextureScaleNode>);

    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 StaticType for TextureScaleNode {
    fn static_type() -> glib::Type {
        unsafe { from_glib(ffi::gsk_texture_scale_node_get_type()) }
    }
}

impl TextureScaleNode {
    /// Creates a node that scales the texture to the size given by the
    /// bounds using the filter and then places it at the bounds' position.
    ///
    /// Note that further scaling and other transformations which are
    /// applied to the node will apply linear filtering to the resulting
    /// texture, as usual.
    ///
    /// This node is intended for tight control over scaling applied
    /// to a texture, such as in image editors and requires the
    /// application to be aware of the whole render tree as further
    /// transforms may be applied that conflict with the desired effect
    /// of this node.
    /// ## `texture`
    /// the texture to scale
    /// ## `bounds`
    /// the size of the texture to scale to
    /// ## `filter`
    /// how to scale the texture
    ///
    /// # Returns
    ///
    /// A new [`RenderNode`][crate::RenderNode]
    #[doc(alias = "gsk_texture_scale_node_new")]
    pub fn new(
        texture: &impl IsA<gdk::Texture>,
        bounds: &graphene::Rect,
        filter: ScalingFilter,
    ) -> TextureScaleNode {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gsk_texture_scale_node_new(
                texture.as_ref().to_glib_none().0,
                bounds.to_glib_none().0,
                filter.into_glib(),
            ))
        }
    }

    /// Retrieves the [`ScalingFilter`][crate::ScalingFilter] used when creating this [`RenderNode`][crate::RenderNode].
    ///
    /// # Returns
    ///
    /// the [`ScalingFilter`][crate::ScalingFilter]
    #[doc(alias = "gsk_texture_scale_node_get_filter")]
    #[doc(alias = "get_filter")]
    pub fn filter(&self) -> ScalingFilter {
        unsafe {
            from_glib(ffi::gsk_texture_scale_node_get_filter(
                self.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_scale_node_get_texture")]
    #[doc(alias = "get_texture")]
    pub fn texture(&self) -> gdk::Texture {
        unsafe {
            from_glib_none(ffi::gsk_texture_scale_node_get_texture(
                self.to_glib_none().0,
            ))
        }
    }
}