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use crate::RenderNode;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use std::ptr;
glib::wrapper! {
#[doc(alias = "GskRenderer")]
pub struct Renderer(Object<ffi::GskRenderer, ffi::GskRendererClass>);
match fn {
type_ => || ffi::gsk_renderer_get_type(),
}
}
impl Renderer {
pub const NONE: Option<&'static Renderer> = None;
#[doc(alias = "gsk_renderer_new_for_surface")]
#[doc(alias = "new_for_surface")]
pub fn for_surface(surface: &gdk::Surface) -> Option<Renderer> {
assert_initialized_main_thread!();
unsafe { from_glib_full(ffi::gsk_renderer_new_for_surface(surface.to_glib_none().0)) }
}
}
pub trait GskRendererExt: 'static {
#[doc(alias = "gsk_renderer_get_surface")]
#[doc(alias = "get_surface")]
fn surface(&self) -> Option<gdk::Surface>;
#[doc(alias = "gsk_renderer_is_realized")]
fn is_realized(&self) -> bool;
#[doc(alias = "gsk_renderer_realize")]
fn realize(&self, surface: Option<&gdk::Surface>) -> Result<(), glib::Error>;
#[doc(alias = "gsk_renderer_render")]
fn render(&self, root: impl AsRef<RenderNode>, region: Option<&cairo::Region>);
#[doc(alias = "gsk_renderer_render_texture")]
fn render_texture(
&self,
root: impl AsRef<RenderNode>,
viewport: Option<&graphene::Rect>,
) -> gdk::Texture;
#[doc(alias = "gsk_renderer_unrealize")]
fn unrealize(&self);
#[doc(alias = "realized")]
fn connect_realized_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
#[doc(alias = "surface")]
fn connect_surface_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<Renderer>> GskRendererExt for O {
fn surface(&self) -> Option<gdk::Surface> {
unsafe {
from_glib_none(ffi::gsk_renderer_get_surface(
self.as_ref().to_glib_none().0,
))
}
}
fn is_realized(&self) -> bool {
unsafe {
from_glib(ffi::gsk_renderer_is_realized(
self.as_ref().to_glib_none().0,
))
}
}
fn realize(&self, surface: Option<&gdk::Surface>) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok = ffi::gsk_renderer_realize(
self.as_ref().to_glib_none().0,
surface.to_glib_none().0,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn render(&self, root: impl AsRef<RenderNode>, region: Option<&cairo::Region>) {
unsafe {
ffi::gsk_renderer_render(
self.as_ref().to_glib_none().0,
root.as_ref().to_glib_none().0,
region.to_glib_none().0,
);
}
}
fn render_texture(
&self,
root: impl AsRef<RenderNode>,
viewport: Option<&graphene::Rect>,
) -> gdk::Texture {
unsafe {
from_glib_full(ffi::gsk_renderer_render_texture(
self.as_ref().to_glib_none().0,
root.as_ref().to_glib_none().0,
viewport.to_glib_none().0,
))
}
}
fn unrealize(&self) {
unsafe {
ffi::gsk_renderer_unrealize(self.as_ref().to_glib_none().0);
}
}
fn connect_realized_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_realized_trampoline<P: IsA<Renderer>, F: Fn(&P) + 'static>(
this: *mut ffi::GskRenderer,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(Renderer::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::realized\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_realized_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
fn connect_surface_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_surface_trampoline<P: IsA<Renderer>, F: Fn(&P) + 'static>(
this: *mut ffi::GskRenderer,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(Renderer::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::surface\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_surface_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for Renderer {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("Renderer")
}
}
