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-rw-r--r--core/src/renderer/null.rs34
1 files changed, 19 insertions, 15 deletions
diff --git a/core/src/renderer/null.rs b/core/src/renderer/null.rs
index 0d7b7c14..af7dc15f 100644
--- a/core/src/renderer/null.rs
+++ b/core/src/renderer/null.rs
@@ -1,4 +1,5 @@
use crate::alignment;
+use crate::image;
use crate::renderer::{self, Renderer};
use crate::text::{self, Text};
use crate::{
@@ -7,20 +8,7 @@ use crate::{
use std::borrow::Cow;
-/// A renderer that does nothing.
-///
-/// It can be useful if you are writing tests!
-#[derive(Debug, Clone, Copy, Default)]
-pub struct Null;
-
-impl Null {
- /// Creates a new [`Null`] renderer.
- pub fn new() -> Null {
- Null
- }
-}
-
-impl Renderer for Null {
+impl Renderer for () {
fn start_layer(&mut self) {}
fn end_layer(&mut self, _bounds: Rectangle) {}
@@ -39,7 +27,7 @@ impl Renderer for Null {
}
}
-impl text::Renderer for Null {
+impl text::Renderer for () {
type Font = Font;
type Paragraph = ();
type Editor = ();
@@ -173,3 +161,19 @@ impl text::Editor for () {
) {
}
}
+
+impl image::Renderer for () {
+ type Handle = ();
+
+ fn measure_image(&self, _handle: &Self::Handle) -> Size<u32> {
+ Size::default()
+ }
+
+ fn draw_image(
+ &mut self,
+ _handle: Self::Handle,
+ _filter_method: image::FilterMethod,
+ _bounds: Rectangle,
+ ) {
+ }
+}