cdfae58510
Also updates `winit` example to redraw on resize, which seems to be necessary. With this resizing seems to be entirely smooth, without visual corruption from it overwriting the buffer the server is displaying.
66 lines
2.1 KiB
Rust
66 lines
2.1 KiB
Rust
use swbuf::GraphicsContext;
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use winit::event::{Event, WindowEvent};
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use winit::event_loop::{ControlFlow, EventLoop};
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use winit::window::WindowBuilder;
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fn main() {
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let event_loop = EventLoop::new();
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let window = WindowBuilder::new().build(&event_loop).unwrap();
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#[cfg(target_arch = "wasm32")]
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{
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use winit::platform::web::WindowExtWebSys;
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web_sys::window()
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.unwrap()
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.document()
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.unwrap()
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.body()
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.unwrap()
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.append_child(&window.canvas())
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.unwrap();
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}
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let mut graphics_context = unsafe { GraphicsContext::new(&window, &window) }.unwrap();
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event_loop.run(move |event, _, control_flow| {
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*control_flow = ControlFlow::Wait;
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match event {
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Event::RedrawRequested(window_id) if window_id == window.id() => {
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let (width, height) = {
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let size = window.inner_size();
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(size.width, size.height)
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};
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let buffer = (0..((width * height) as usize))
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.map(|index| {
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let y = index / (width as usize);
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let x = index % (width as usize);
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let red = x % 255;
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let green = y % 255;
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let blue = (x * y) % 255;
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let color = blue | (green << 8) | (red << 16);
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color as u32
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})
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.collect::<Vec<_>>();
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graphics_context.set_buffer(&buffer, width as u16, height as u16);
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}
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Event::WindowEvent {
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event: WindowEvent::CloseRequested,
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window_id,
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} if window_id == window.id() => {
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*control_flow = ControlFlow::Exit;
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}
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Event::WindowEvent {
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event: WindowEvent::Resized(_),
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window_id,
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} if window_id == window.id() => {
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window.request_redraw();
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}
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_ => {}
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}
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});
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}
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