hephaestus 0.2.0

Backend-agnostic 2D scene renderer for data visualization.
Documentation 
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//! PNG writer.
//!
//! Aliases for the PNG entry points in [`crate::image`], the module that
//! carries every raster writer.

pub use crate::image::{encode_png, write_png, write_png_to};

#[cfg(test)]
mod tests {
    #[test]
    fn png_entry_points_are_reachable_from_this_module() {
        let pixels = vec![255u8; 2 * 2 * 4];
        let bytes = crate::png::encode_png(2, 2, &pixels).expect("encode");
        assert_eq!(
            &bytes[..8],
            &[0x89, b'P', b'N', b'G', b'\r', b'\n', 0x1a, b'\n']
        );
    }
}