feat: add image display mode

src/main.rs

@@ -5,6 +5,7 @@ use std::{
     io::stdout,
     net::{Ipv4Addr, SocketAddr, UdpSocket},
     num::ParseIntError,
+    path::PathBuf,
     str::FromStr,
     thread::sleep,
     time::Duration,
@@ -12,7 +13,7 @@ use std::{
 
 use bracket_color::prelude::{HSV, RGB};
 use clap::{Parser, Subcommand};
-use image::{Pixel, Rgb, RgbImage};
+use image::{imageops::FilterType, io::Reader as ImageReader, Pixel, Rgb, RgbImage};
 use rand::Rng;
 
 use splink_client::{send_frame, Layout};
@@ -81,6 +82,7 @@ impl From<Color> for Rgb<u8> {
 enum Action {
     Rainbow,
     Solid { color: Color },
+    Image { path: PathBuf },
     Clear,
 }
 
@@ -190,6 +192,14 @@ fn main() -> anyhow::Result<()> {
             let frame_num: u32 = rand::thread_rng().gen();
             send_frame(&socket, layout, frame_num, &image)?;
         }
+        Action::Image { path } => {
+            let image = ImageReader::open(path)?
+                .decode()?
+                .resize_to_fill(layout.width_px(), layout.height_px(), FilterType::Gaussian)
+                .into_rgb8();
+            let frame_num: u32 = rand::thread_rng().gen();
+            send_frame(&socket, layout, frame_num, &image)?;
+        }
         Action::Rainbow => {
             print!("{}", termion::clear::All);