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Diffstat (limited to 'wgpu/src/renderer/widget/image/viewer.rs')
-rw-r--r--wgpu/src/renderer/widget/image/viewer.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/wgpu/src/renderer/widget/image/viewer.rs b/wgpu/src/renderer/widget/image/viewer.rs
new file mode 100644
index 00000000..72e5d93b
--- /dev/null
+++ b/wgpu/src/renderer/widget/image/viewer.rs
@@ -0,0 +1,39 @@
+use crate::{Primitive, Renderer};
+use iced_native::{image, mouse, Rectangle, Vector};
+
+impl image::viewer::Renderer for Renderer {
+ fn draw(
+ &mut self,
+ state: &image::State,
+ bounds: Rectangle,
+ image_bounds: Rectangle,
+ offset: (u32, u32),
+ handle: image::Handle,
+ is_mouse_over: bool,
+ ) -> Self::Output {
+ (
+ {
+ Primitive::Clip {
+ bounds,
+ offset: Vector::new(offset.0, offset.1),
+ content: Box::new(Primitive::Image {
+ handle,
+ bounds: image_bounds,
+ }),
+ }
+ },
+ {
+ if state.is_cursor_clicked() {
+ mouse::Interaction::Grabbing
+ } else if is_mouse_over
+ && (image_bounds.width > bounds.width
+ || image_bounds.height > bounds.height)
+ {
+ mouse::Interaction::Grab
+ } else {
+ mouse::Interaction::Idle
+ }
+ },
+ )
+ }
+}