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/*
hitomezashi-rs Generates classical colored Hitomezashi stitch patterns
Copyright (C) 2024 Nicholas Johnson
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use clap::{value_parser, Parser};
use colored::Colorize;
use std::process::exit;
mod hitomezashi;
#[derive(Parser)]
#[command(version, about, long_about = None)] // Read from `Cargo.toml`
struct Cli {
/// Pattern width
#[arg(value_parser = value_parser!(usize))]
width: usize,
/// Pattern height
#[arg(value_parser = value_parser!(usize))]
height: usize,
/// Set skew
#[arg(short, long)]
#[arg(default_value_t = 0.5)]
#[arg(value_parser = value_parser!(f64))]
skew: f64,
}
// CLI for hitomezashi
fn main() {
let cli = Cli::parse();
// validate bounds of width [1..]
if cli.width < 1 {
println!("{} invalid value '{}' for '{}': valid values are [1..]\n\nFor more information, try '{}'.",
"error:".red().bold(),
cli.width.to_string().yellow(),
"<WIDTH>".bold(),
"--help".bold());
exit(2);
}
// validate bounds of height [1..]
if cli.height < 1 {
println!("{} invalid value '{}' for '{}': valid values are [1..]\n\nFor more information, try '{}'.",
"error:".red().bold(),
cli.height.to_string().yellow(),
"<HEIGHT>".bold(),
"--help".bold());
exit(2);
}
// validate bounds of skew [0-1]
if cli.skew < 0.0 || cli.skew > 1.0 {
println!("{} invalid value '{}' for '{}': valid values are [0-1]\n\nFor more information, try '{}'.",
"error:".red().bold(),
cli.skew.to_string().yellow(),
"--skew <SKEW>".bold(),
"--help".bold());
exit(2);
}
hitomezashi::hitomezashi(cli.width, cli.height, Some(cli.skew));
}
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