databending example in bong

bong/src/cli.rs

@@ -0,0 +1,9 @@
+use std::path::PathBuf;
+
+use clap::Parser;
+
+#[derive(Parser)]
+pub(super) struct Cli {
+    pub(super) input_file: PathBuf,
+    pub(super) output_file: PathBuf,
+}

bong/src/main.rs

@@ -1,3 +1,36 @@
-fn main() {
-    println!("Hello, world!");
+use bingus::{
+    img::{Dimensions, RgbImage},
+    snd::{RawSamples, Sample},
+    Bendable, DynamicBendable, OpenError,
+};
+use clap::Parser;
+use cli::Cli;
+
+mod cli;
+
+fn main() -> Result<(), OpenError> {
+    let args = Cli::parse();
+    if let DynamicBendable::Image(i) =
+        bingus::open(args.input_file)?.expect("could not open this file.")
+    {
+        let dimensions = Dimensions {
+            width: i.width(),
+            height: i.height(),
+        };
+        RawSamples::from(
+            RawSamples::<u16>::bend_from(i, (), bingus::Crop::End)
+                .unwrap()
+                .as_ref()
+                .iter()
+                .map(|s| s.to_sample::<u8>().to_sample())
+                .collect::<Vec<u16>>(),
+        )
+        .bend_into::<RgbImage>(dimensions, bingus::Crop::End)
+        .unwrap()
+        .save(args.output_file)
+        .unwrap();
+    } else {
+        println!("Not an image! Sorry!");
+    }
+    Ok(())
 }