extern crate image;
use std::path::Path;
use tao::{
event::Event,
event_loop::{ControlFlow, EventLoop},
window::{Icon, WindowBuilder},
};
#[allow(clippy::single_match)]
fn main() {
env_logger::init();
let path = concat!(env!("CARGO_MANIFEST_DIR"), "/examples/icon.png");
let icon = load_icon(Path::new(path));
let event_loop = EventLoop::new();
let window = WindowBuilder::new()
.with_title("An iconic window!")
.with_window_icon(Some(icon))
.build(&event_loop)
.unwrap();
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
if let Event::WindowEvent { event, .. } = event {
use tao::event::WindowEvent::*;
match event {
CloseRequested => *control_flow = ControlFlow::Exit,
DroppedFile(path) => {
window.set_window_icon(Some(load_icon(&path)));
}
_ => (),
}
}
});
}
fn load_icon(path: &Path) -> Icon {
let (icon_rgba, icon_width, icon_height) = {
let image = image::open(path)
.expect("Failed to open icon path")
.into_rgba8();
let (width, height) = image.dimensions();
let rgba = image.into_raw();
(rgba, width, height)
};
Icon::from_rgba(icon_rgba, icon_width, icon_height).expect("Failed to open icon")
}