outline-core 0.1.2

Image background removal with flexible mask processing options
Documentation 
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use std::fs;

use outline::{OutlineResult, VtracerSvgVectorizer};

use crate::cli::{GlobalOptions, MaskSourceArg, TraceCommand};

use super::utils::{
    build_outline, derive_svg_path, processing_requested, resolve_mask_source_arg,
    warn_if_soft_conflict,
};

/// The main function to run the trace command.
pub fn run(global: &GlobalOptions, cmd: TraceCommand) -> OutlineResult<()> {
    let outline = build_outline(global, &cmd.mask_processing);
    let session = outline.for_image(&cmd.input)?;
    let matte = session.matte();
    let output_path = cmd
        .output
        .clone()
        .unwrap_or_else(|| derive_svg_path(&cmd.input));

    let options = (&cmd.trace_options).into();

    let vectorizer = VtracerSvgVectorizer;
    let processing_requested = processing_requested(&cmd.mask_processing);

    let mask_source = resolve_mask_source_arg(cmd.mask_source, processing_requested);

    if matches!(mask_source, MaskSourceArg::Processed) {
        warn_if_soft_conflict(&cmd.mask_processing, "tracing output");
    }

    let svg = match mask_source {
        MaskSourceArg::Raw => matte.trace(&vectorizer, &options)?,
        MaskSourceArg::Processed => matte.clone().processed()?.trace(&vectorizer, &options)?,
        MaskSourceArg::Auto => unreachable!(),
    };
    fs::write(&output_path, &svg)?;
    println!("SVG saved to {}", output_path.display());

    Ok(())
}