initial implementation

.gitignore

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+/target

Cargo.lock

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+# It is not intended for manual editing.
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+
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+ "adler",
+ "simd-adler32",
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+dependencies = [
+ "png",
+]
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+ "crc32fast",
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+ "flate2",
+ "miniz_oxide",
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Cargo.toml

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+[package]
+name = "pixlers"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+png = "0.17"

src/main.rs

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+use png::{ColorType, Decoder};
+use std::error::Error;
+use std::fs::File;
+use std::io::{BufWriter, Write};
+use std::net::TcpStream;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let decoder = Decoder::new(File::open("nopslide.png")?);
+    let mut reader = decoder.read_info()?;
+    let mut buf = vec![0; reader.output_buffer_size()];
+    let info = reader.next_frame(&mut buf)?;
+
+    let mut stream = BufWriter::new(TcpStream::connect("151.217.15.79:1337")?);
+    loop {
+        for x in 0..info.width {
+            for y in 0..info.height {
+                match info.color_type {
+                    ColorType::GrayscaleAlpha => {
+                        let offset = ((x + y * info.width) * 2) as usize;
+                        if buf[offset + 1] != 0 {
+                            write!(
+                                stream,
+                                "PX {} {} {:02x}{:02x}{:02x}\n",
+                                x + 1920 - info.width,
+                                y + 900 - info.height,
+                                buf[offset],
+                                buf[offset],
+                                buf[offset]
+                            )?;
+                        }
+                    }
+                    _ => todo!("Unsupported color type"),
+                }
+            }
+        }
+    }
+}