Implement Widget::draw for image::Viewer

graphics/src/widget/image.rs

@@ -2,10 +2,9 @@
 pub mod viewer;
 
 use crate::backend::{self, Backend};
+use crate::{Primitive, Rectangle, Renderer};
 
-use crate::{Primitive, Renderer};
 use iced_native::image;
-use iced_native::Layout;
 
 pub use iced_native::image::{Handle, Image, Viewer};
 
@@ -17,10 +16,7 @@ where
         self.backend().dimensions(handle)
     }
 
-    fn draw(&mut self, handle: image::Handle, layout: Layout<'_>) {
-        self.draw_primitive(Primitive::Image {
-            handle,
-            bounds: layout.bounds(),
-        })
+    fn draw(&mut self, handle: image::Handle, bounds: Rectangle) {
+        self.draw_primitive(Primitive::Image { handle, bounds })
     }
 }

native/src/widget/image.rs

@@ -98,7 +98,7 @@ where
         _cursor_position: Point,
         _viewport: &Rectangle,
     ) {
-        renderer.draw(self.handle.clone(), layout);
+        renderer.draw(self.handle.clone(), layout.bounds());
     }
 
     fn hash_layout(&self, state: &mut Hasher) {
@@ -228,7 +228,7 @@ pub trait Renderer: crate::Renderer {
     fn dimensions(&self, handle: &Handle) -> (u32, u32);
 
     // Draws an [`Image`].
-    fn draw(&mut self, handle: Handle, layout: Layout<'_>);
+    fn draw(&mut self, handle: Handle, bounds: Rectangle);
 }
 
 impl<'a, Message, Renderer> From<Image> for Element<'a, Message, Renderer>

native/src/widget/image/viewer.rs

@@ -284,9 +284,9 @@ where
     fn draw(
         &self,
         renderer: &mut Renderer,
-        style: &renderer::Style,
+        _style: &renderer::Style,
         layout: Layout<'_>,
-        cursor_position: Point,
+        _cursor_position: Point,
         _viewport: &Rectangle,
     ) {
         let bounds = layout.bounds();
@@ -302,7 +302,19 @@ where
             image_top_left - self.state.offset(bounds, image_size)
         };
 
-        let is_mouse_over = bounds.contains(cursor_position);
+        renderer.with_layer(bounds, |renderer| {
+            renderer.with_translation(translation, |renderer| {
+                image::Renderer::draw(
+                    renderer,
+                    self.handle.clone(),
+                    Rectangle {
+                        x: bounds.x,
+                        y: bounds.y,
+                        ..Rectangle::with_size(image_size)
+                    },
+                )
+            });
+        });
     }
 
     fn hash_layout(&self, state: &mut Hasher) {