43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
//! An example on how to modify the image on screen without knowing the current content.
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use clap::Parser;
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use servicepoint::{
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Bitmap, BitmapCommand, GridMut, UdpSocketExt, FRAME_PACING, PIXEL_HEIGHT,
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PIXEL_WIDTH,
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};
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use std::{net::UdpSocket, thread, time::Duration};
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#[derive(Parser, Debug)]
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struct Cli {
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#[arg(short, long, default_value = "localhost:2342")]
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destination: String,
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#[arg(short, long = "duration-ms", default_value_t = 5000)]
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time: u64,
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}
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fn main() {
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let cli = Cli::parse();
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let sleep_duration = Duration::max(
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FRAME_PACING,
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Duration::from_millis(cli.time / PIXEL_WIDTH as u64),
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);
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let connection = UdpSocket::bind_connect(cli.destination)
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.expect("could not connect to display");
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let mut enabled_pixels = Bitmap::max_sized();
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enabled_pixels.fill(true);
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for x_offset in 0..PIXEL_WIDTH {
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for y in 0..PIXEL_HEIGHT {
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enabled_pixels.set(x_offset % PIXEL_WIDTH, y, false);
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}
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let command = BitmapCommand::from(enabled_pixels.clone());
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connection
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.send_command(command)
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.expect("could not send command to display");
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thread::sleep(sleep_duration);
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}
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}
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