Enum png::common::Compression

pub enum Compression {
    Default,
    Fast,
    Best,
    Huffman,
    Rle,
}

The type and strength of applied compression.

Variants

Default

Default level

Fast

Fast minimal compression

Best

Higher compression level

Best in this context isn’t actually the highest possible level the encoder can do, but is meant to emulate the Best setting in the Flate2 library.

Huffman

👎Deprecated since 0.17.6: use one of the other compression levels instead, such as ‘fast’

Rle

👎Deprecated since 0.17.6: use one of the other compression levels instead, such as ‘fast’

Implementations

impl Compression

Mod to encapsulate the converters depending on the deflate crate.

Since this only contains trait impls, there is no need to make this public, they are simply available when the mod is compiled as well.

fn to_options(self) -> Compression

Trait Implementations

impl Clone for Compression

fn clone(&self) -> Compression

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Compression

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Compression

fn default() -> Self

Returns the “default value” for a type.

impl Copy for Compression