Prepare reading in files

src/Tools/jaby_engine_fconv/Cargo.toml

@@ -7,4 +7,5 @@ edition = "2021"
 
 [dependencies]
 clap        = {version = "*", features = ["derive"]}
+image       = "*"
 tool_helper = {path = "../tool_helper"}

src/Tools/jaby_engine_fconv/src/images/reduced_tim/mod.rs

@@ -1,4 +1,6 @@
 use clap::{Args, ValueEnum};
+use image::io::Reader as ImageReader;
+use std::io::Cursor;
 use tool_helper::{Error, Input, Output};
 
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
@@ -14,6 +16,8 @@ pub struct Arguments {
     color_depth: ColorDepth
 }
 
-pub fn convert(_args: Arguments, _input: Input, _output: Output) -> Result<(), Error> {
+pub fn convert(_args: Arguments, input: Input, _output: Output) -> Result<(), Error> {
+    ImageReader::new(Cursor::new(tool_helper::input_to_vec(input)?));
+
     Err(Error::new("Convert not implemented yet".to_owned(), Some(-2)))
 }