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refactor: deduplicate image allocation

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This commit is contained in:
electria 2026-06-28 18:02:09 -07:00
commit 090076a26f
Signed by: electria
SSH key fingerprint: SHA256:8LlB3ucPbBHqozqkhsNbaV5oG3SlzzqUj8FZDL6IPQs
1 changed files with 16 additions and 19 deletions
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33
src/main.rs
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@ -31,20 +31,13 @@ impl State {
RgbaImage::new(100, 100) RgbaImage::new(100, 100)
}; };
let allocate_image = widget::image::allocate(widget::image::Handle::from_rgba( let state = State {
image.width(),
image.height(),
unsafe { std::mem::transmute::<_, &'static [u8]>(image.as_bytes()) },
))
.map(Message::ImageDisplayReady);
(
State {
image_display: None, image_display: None,
image, image,
}, };
allocate_image, let allocate_image = state.allocate_image();
)
(state, allocate_image)
} }
fn view(&self) -> Element<'_, Message, Theme, Renderer> { fn view(&self) -> Element<'_, Message, Theme, Renderer> {
if let Some(allocation) = self.image_display.as_ref() { if let Some(allocation) = self.image_display.as_ref() {
@ -77,12 +70,7 @@ impl State {
Key::Character("r") => { Key::Character("r") => {
self.image = imageops::rotate90(&self.image); self.image = imageops::rotate90(&self.image);
return widget::image::allocate(widget::image::Handle::from_rgba( return self.allocate_image();
self.image.width(),
self.image.height(),
unsafe { std::mem::transmute::<_, &'static [u8]>(self.image.as_bytes()) },
))
.map(Message::ImageDisplayReady);
} }
// ignore unused keys // ignore unused keys
@ -96,6 +84,15 @@ impl State {
Task::none() Task::none()
} }
fn allocate_image(&self) -> Task<Message> {
widget::image::allocate(widget::image::Handle::from_rgba(
self.image.width(),
self.image.height(),
unsafe { std::mem::transmute::<_, &'static [u8]>(self.image.as_bytes()) },
))
.map(Message::ImageDisplayReady)
}
fn subscription(&self) -> Subscription<Message> { fn subscription(&self) -> Subscription<Message> {
event::listen().map(Message::Event) event::listen().map(Message::Event)
} }