Struct BackgroundColor 

pub struct BackgroundColor {
    pub blue: u8,
    pub green: u8,
    pub red: u8,
    pub alpha: u8,
}

Background color from §2.7.1.1 — the Background Color field, laid out on disk in [Blue, Green, Red, Alpha] byte order.

§2.7.1.1: “This color MAY be used to fill the unused space on the canvas around the frames, as well as the transparent pixels of the first frame.” It may carry a non-opaque alpha even when the VP8X.L alpha flag is unset.

Fields

blue: u8

Blue channel (on-disk byte 0).

green: u8

Green channel (on-disk byte 1).

red: u8

Red channel (on-disk byte 2).

alpha: u8

Alpha channel (on-disk byte 3). 255 = opaque.

Implementations

impl BackgroundColor

pub const fn as_u32_le(&self) -> u32

Pack the four components as a uint32 in on-disk byte order — i.e. the same little-endian-loaded value the trace records as bgcolor=0xXXXXXXXX.

For ff ff ff ff on disk this returns 0xffff_ffff; for the degenerate “all zero” payload it returns 0x0000_0000. The integer’s byte layout (LSB→MSB) is exactly [B, G, R, A].

Trait Implementations

impl Clone for BackgroundColor

fn clone(&self) -> BackgroundColor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for BackgroundColor

impl Debug for BackgroundColor

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

Formats the value using the given formatter.

impl Eq for BackgroundColor

impl PartialEq for BackgroundColor

fn eq(&self, other: &BackgroundColor) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for BackgroundColor