gsk4/auto/cairo_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;
use glib::{prelude::*, translate::*};
glib::wrapper! {
/// A render node for a Cairo surface.
#[doc(alias = "GskCairoNode")]
pub struct CairoNode(Shared<ffi::GskCairoNode>);
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 CairoNode {
fn static_type() -> glib::Type {
unsafe { from_glib(ffi::gsk_cairo_node_get_type()) }
}
}
impl CairoNode {
/// Creates a [`RenderNode`][crate::RenderNode] that will render a cairo surface
/// into the area given by @bounds.
///
/// You can draw to the cairo surface using [`draw_context()`][Self::draw_context()].
/// ## `bounds`
/// the rectangle to render to
///
/// # Returns
///
/// A new [`RenderNode`][crate::RenderNode]
#[doc(alias = "gsk_cairo_node_new")]
pub fn new(bounds: &graphene::Rect) -> CairoNode {
assert_initialized_main_thread!();
unsafe { from_glib_full(ffi::gsk_cairo_node_new(bounds.to_glib_none().0)) }
}
/// Creates a Cairo context for drawing using the surface associated
/// to the render node.
///
/// If no surface exists yet, a surface will be created optimized for
/// rendering to @renderer.
///
/// # Returns
///
/// a Cairo context used for drawing; use
/// cairo_destroy() when done drawing
#[doc(alias = "gsk_cairo_node_get_draw_context")]
#[doc(alias = "get_draw_context")]
pub fn draw_context(&self) -> cairo::Context {
unsafe { from_glib_full(ffi::gsk_cairo_node_get_draw_context(self.to_glib_none().0)) }
}
/// Retrieves the Cairo surface used by the render node.
///
/// # Returns
///
/// a Cairo surface
#[doc(alias = "gsk_cairo_node_get_surface")]
#[doc(alias = "get_surface")]
pub fn surface(&self) -> cairo::Surface {
unsafe { from_glib_none(ffi::gsk_cairo_node_get_surface(self.to_glib_none().0)) }
}
}