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use std::time::Duration;
use colorsquash::{
selection::{HighestBits, Kmeans, SortSelect},
SquasherBuilder,
};
use crate::cli::{InType, OutType};
mod cli;
mod image;
fn main() -> Result<(), anyhow::Error> {
//gen: I should use clap or at least getopt, but this is fine.
//gen: I like experimenting with the cli :)
let cli = cli::build();
let mut image = match cli.in_type {
InType::Png => image::get_png(cli.input)?,
InType::Jpeg => image::get_jpg(cli.input)?,
};
let mut builder = SquasherBuilder::new()
.max_colors(cli.color_count)
.mapper_difference(cli.difference);
match cli.selector {
cli::Selector::SortSelect => {
let mut sorsel = SortSelect::default().difference(cli.difference);
if let Some(tol) = cli.tolerance {
sorsel = sorsel.tolerance(tol)
}
builder = builder.selector(sorsel);
}
cli::Selector::Kmeans => builder = builder.selector(Kmeans { max_iter: 10 }),
cli::Selector::HighestBits => builder = builder.selector(HighestBits {}),
};
let mut start = std::time::Instant::now();
let mut squasher = builder.scale(cli.scale).build(&image.data);
if cli.verbose {
println!(
"Palette is {} colors.\nSelection took {}",
squasher.palette().len(),
human_time(start.elapsed())
);
}
start = std::time::Instant::now();
let size = squasher.map_over(&mut image.data);
if cli.verbose {
println!("Mapping took {}", human_time(start.elapsed()));
}
image.data.resize(size, 0);
match cli.out_type {
OutType::Png => image::save_png(image, squasher, cli.output),
OutType::Gif => image::save_gif(image, squasher, cli.output),
}
}
fn human_time(duration: Duration) -> String {
if duration.as_secs() > 0 {
format!("{:.2}s", duration.as_secs_f32())
} else if duration.as_millis() >= 10 {
format!("{}ms", duration.as_millis())
} else {
format!("{}μs", duration.as_micros())
}
}
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