bin: Add erode filter.

Signed-off-by: caleb <etemesicaleb@gmail.com>

zune-bin/src/cmd_args.rs

@@ -120,7 +120,7 @@ pub fn create_cmd_args() -> Command {
             .args(["flip","transpose","grayscale","flop","mirror","invert","brighten","crop","threshold","gamma"])
             .multiple(true))
         .group(ArgGroup::new("filters")
-            .args(["box-blur", "blur", "unsharpen", "median"])
+            .args(["box-blur", "blur", "unsharpen", "median", "erode"])
             .multiple(true))
 }
 
@@ -288,6 +288,12 @@ fn add_filters() -> Vec<Arg>
             .help("Apply a median filter")
             .help_heading("Filters")
             .value_parser(value_parser!(usize))
+            .group("filters"),
+        Arg::new("erode")
+            .long("erode")
+            .help("Apply Erode filter")
+            .help_heading("Filters")
+            .value_parser(value_parser!(usize))
             .group("filters")
     ];
     args.sort_unstable_by(|x, y| x.get_id().cmp(y.get_id()));

zune-bin/src/workflow.rs

@@ -16,6 +16,7 @@ use zune_image::errors::ImgErrors;
 use zune_image::impls::box_blur::BoxBlur;
 use zune_image::impls::brighten::Brighten;
 use zune_image::impls::crop::Crop;
+use zune_image::impls::erode::Erode;
 use zune_image::impls::flip::Flip;
 use zune_image::impls::flop::Flop;
 use zune_image::impls::gamma::Gamma;
@@ -253,6 +254,12 @@ pub fn add_operations(args: &ArgMatches, workflow: &mut WorkFlow) -> Result<(),
             workflow.add_operation(Box::new(Median::new(radius)));
             debug!("Added Median operation");
         }
+        else if argument == "erode"
+        {
+            let radius = *args.get_one::<usize>("erode").unwrap();
+            workflow.add_operation(Box::new(Erode::new(radius)));
+            debug!("Added Erode operation");
+        }
         else if argument == "mirror"
         {
             let value = args.get_one::<String>("mirror").unwrap().trim();