From 0ffc57ae785e090c41e128d8b6cef53f3f33cf26 Mon Sep 17 00:00:00 2001
From: Jonas Zeunert <jonas@zeunert.org>
Date: Mon, 30 Dec 2024 16:20:19 +0100
Subject: [PATCH] Switch to binary msg

---
 src/flutr.rs     |  3 +--
 src/pixelmsgs.rs | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/flutr.rs b/src/flutr.rs
index 2b91ec9..840a305 100644
--- a/src/flutr.rs
+++ b/src/flutr.rs
@@ -15,8 +15,7 @@ impl FlutR {
 
     pub fn flut(&mut self) {
         for msg in self.msgs.clone() {
-            dbg!(&msg);
-            let result = self.stream.write(msg.as_str().as_bytes());
+            let result = self.stream.write(&msg);
             match result {
                 Ok(_) => (),
                 Err(err) => eprintln!("{err}"),
diff --git a/src/pixelmsgs.rs b/src/pixelmsgs.rs
index 4218ff7..6ba35a9 100644
--- a/src/pixelmsgs.rs
+++ b/src/pixelmsgs.rs
@@ -1,6 +1,7 @@
 use image::Rgb;
 
-pub type PixelMsgs = Vec<String>;
+pub type PixelMsg = [u8; 10];
+pub type PixelMsgs = Vec<PixelMsg>;
 
 pub trait Add {
     fn add(&mut self, item: (u32, u32, &Rgb<u8>));
@@ -8,11 +9,16 @@ pub trait Add {
 
 impl Add for PixelMsgs {
     fn add(&mut self, item: (u32, u32, &Rgb<u8>)) {
+        let pb: &[u8] = &[80, 66];
+        let x = (item.0 as u16).to_le_bytes();
+        let y = (item.1 as u16).to_le_bytes();
+
         let color: &Rgb<u8> = item.2;
-        let r = color.0[0];
-        let g = color.0[1];
-        let b = color.0[2];
-        let msg = format!("PX {} {} {r:02x}{g:02x}{b:02x}\n", item.0, item.1);
-        self.push(msg);
+        let r = color.0[0].to_le_bytes();
+        let g = color.0[1].to_le_bytes();
+        let b = color.0[2].to_le_bytes();
+
+        let msg = [pb, &x, &y, &r, &g, &b, &[0]].concat();
+        self.push(msg.try_into().unwrap());
     }
 }