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Allow custom cursor caching (#3276)

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This commit is contained in:
daxpedda
2023-12-22 22:20:41 +01:00
committed by GitHub
parent 0a7ea61834
commit 2c15de7cf9
26 changed files with 579 additions and 347 deletions
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12
examples/custom_cursors.rs
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@@ -4,17 +4,19 @@
use simple_logger::SimpleLogger;
use winit::{
event::{ElementState, Event, KeyEvent, WindowEvent},
event_loop::EventLoop,
event_loop::{EventLoop, EventLoopWindowTarget},
keyboard::Key,
window::{CustomCursor, WindowBuilder},
};
fn decode_cursor(bytes: &[u8]) -> CustomCursor {
fn decode_cursor<T>(bytes: &[u8], window_target: &EventLoopWindowTarget<T>) -> CustomCursor {
let img = image::load_from_memory(bytes).unwrap().to_rgba8();
let samples = img.into_flat_samples();
let (_, w, h) = samples.extents();
let (w, h) = (w as u16, h as u16);
CustomCursor::from_rgba(samples.samples, w, h, w / 2, h / 2).unwrap()
let builder = CustomCursor::from_rgba(samples.samples, w, h, w / 2, h / 2).unwrap();
builder.build(window_target)
}
#[cfg(not(wasm_platform))]
@@ -43,8 +45,8 @@ fn main() -> Result<(), impl std::error::Error> {
let mut cursor_visible = true;
let custom_cursors = [
decode_cursor(include_bytes!("data/cross.png")),
decode_cursor(include_bytes!("data/cross2.png")),
decode_cursor(include_bytes!("data/cross.png"), &event_loop),
decode_cursor(include_bytes!("data/cross2.png"), &event_loop),
];
event_loop.run(move |event, _elwt| match event {