Struct WebpHeader 

pub struct WebpHeader {

    pub width: usize,
    pub height: usize,
    pub canvas_width: usize,
    pub canvas_height: usize,
    pub image_chunksize: usize,
    pub has_icc_profile: bool,
    pub has_alpha: bool,
    pub has_exif: bool,
    pub has_xmp: bool,
    pub has_animation: bool,
    pub lossy: bool,
    pub image: Vec<u8>,
    pub icc_profile: Option<Vec<u8>>,
    pub alpha: Option<Vec<u8>>,
    pub exif: Option<Vec<u8>>,
    pub xmp: Option<Vec<u8>>,
    pub animation: Option<AnimationControl>,
    pub animation_frame: Option<Vec<AnimationFrame>>,
}

Container-level metadata returned by read_header.

Fields

width: usize

Image width for still images.

height: usize

Image height for still images.

canvas_width: usize

Canvas width from VP8X, when present.

canvas_height: usize

Canvas height from VP8X, when present.

image_chunksize: usize

Encoded size of the primary image chunk.

has_icc_profile: bool

Whether an ICC profile is advertised.

has_alpha: bool

Whether alpha is advertised or present.

has_exif: bool

Whether EXIF metadata is advertised.

has_xmp: bool

Whether XMP metadata is advertised.

has_animation: bool

Whether animation is advertised.

lossy: bool

true for VP8 , false for VP8L.

image: Vec<u8>

Raw primary image payload.

icc_profile: Option<Vec<u8>>

Optional ICC profile payload.

alpha: Option<Vec<u8>>

Optional still-image ALPH payload.

exif: Option<Vec<u8>>

Optional EXIF payload.

xmp: Option<Vec<u8>>

Optional XMP payload.

animation: Option<AnimationControl>

Optional animation control block.

animation_frame: Option<Vec<AnimationFrame>>

Optional parsed animation frame entries.

Implementations

impl WebpHeader

pub fn new() -> Self