omt 0.6.0-alpha

A set of tiny tools mostly used for game development. A Texture atlas packer, a font converter, a pakfile creator.
Documentation 
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use std::process;

use clap::{App, Arg, SubCommand};
use omt::atlas::Atlas;
use omt::atlas::AtlasPreviewer;

fn main() -> anyhow::Result<()> {
	// omt-atlas combine --output test-atlas-%d --size 2048 --border 0 --input ../Content/test.png
	const VERSION: &str = env!("CARGO_PKG_VERSION");
	let matches = App::new("omt-atlas")
		.version(VERSION)
		.author("Andreas N. <andreas@omni-mad.com>")
		.about("Handles atlases")
		.subcommand(
			SubCommand::with_name("combine")
				.arg(
					Arg::with_name("output")
						.long("output")
						.value_name("OUTPUT")
						.help("Set the output")
						.takes_value(true),
				)
				.arg(
					Arg::with_name("size")
						.long("size")
						.value_name("SIZE")
						.help("Set the size")
						.takes_value(true),
				)
				.arg(
					Arg::with_name("border")
						.long("border")
						.value_name("BORDER")
						.help("Set the border")
						.takes_value(true),
				)
				.arg(
					Arg::with_name("input")
						.long("input")
						.value_name("INPUT")
						.help("Set the input")
						.takes_value(true)
						.multiple(true),
				),
		)
		.subcommand(
			SubCommand::with_name("info").arg(
				Arg::with_name("input")
					.long("input")
					.value_name("INPUT")
					.help("Set the input")
					.takes_value(true),
			),
		)
		.subcommand(
			SubCommand::with_name("preview").arg(
				Arg::with_name("input")
					.long("input")
					.value_name("INPUT")
					.help("Set the input")
					.takes_value(true),
			),
		)
		.get_matches();

	if let Some(("combine", sub_matches)) = matches.subcommand() {
		let output = sub_matches
			.value_of("output")
			.unwrap_or("output-atlas-%d")
			.to_string();
		let size = sub_matches.value_of("size").unwrap_or("2048").to_string();
		let border = sub_matches.value_of("border").unwrap_or("0").to_string();
		let input = sub_matches.values_of("input").unwrap().collect::<Vec<_>>();

		let size = match u32::from_str_radix(&size, 10) {
			Ok(n) => n,
			x => {
				println!("Error parsing size {:?} >{}<", x, size);
				process::exit(-1);
			},
		};

		let border = match u32::from_str_radix(&border, 10) {
			Ok(n) => n,
			x => {
				println!("Error parsing border {:?} >{}<", x, border);
				process::exit(-1);
			},
		};

		println!("output         : {:?}", output);
		println!("size           : {:?}", size);
		println!("border         : {:?}", border);
		//		println!("input          : {:?}", input );
		println!("input          : [");
		for i in &input {
			println!("\t{:?}", i);
		}
		println!("]");

		match Atlas::combine(&output, size, border, &input) {
			Ok(1) => {
				println!("1 atlas created");
				process::exit(0);
			},
			Ok(n) => {
				println!("{:?} atlases created", n);
				process::exit(0);
			},
			Err(e) => {
				println!("Error combining atlas >{:?}>", e);
				process::exit(-1);
			},
		}
	}
	if let Some(("info", sub_matches)) = matches.subcommand() {
		let input = sub_matches
			.value_of("input")
			.unwrap_or("input-atlas-%d")
			.to_string();
		println!("input         : {:?}", input);
		match Atlas::info(&input) {
			Ok(_) => {
				process::exit(0);
			},
			Err(e) => {
				println!("Error getting info from atlas: {}", &e);
				process::exit(-1);
			},
		}
	}
	if let Some(("preview", sub_matches)) = matches.subcommand() {
		let input = sub_matches
			.value_of("input")
			.unwrap_or("input-atlas-%d")
			.to_string();
		println!("input         : {:?}", input);
		match AtlasPreviewer::preview(&input) {
			Ok(_) => {
				process::exit(0);
			},
			Err(e) => {
				println!("Error getting info from atlas: {}", &e);
				process::exit(-1);
			},
		}
	}
	Ok(())
}