charton 0.4.1

A high-level, layered charting system for Rust, designed for Polars-first data workflows and multi-backend rendering.
Documentation 
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/// Estimates text width using character categorization.
pub(crate) fn estimate_text_width(text: &str, font_size: f64) -> f64 {
    let mut narrow_chars = 0;
    let mut uppercase_chars = 0;
    let mut other_chars = 0;

    for c in text.chars() {
        if matches!(
            c,
            '.' | ',' | ':' | ';' | '!' | 'i' | 'j' | 'l' | '-' | '|' | '1' | 't' | 'f' | 'r'
        ) {
            narrow_chars += 1;
        } else if c.is_ascii_uppercase() {
            uppercase_chars += 1;
        } else {
            other_chars += 1;
        }
    }

    (narrow_chars as f64 * 0.3 + uppercase_chars as f64 * 0.65 + other_chars as f64 * 0.55)
        * font_size
}