Struct Header 

pub struct Header {
    pub magic: u32,
    pub version: Version,
    pub width: u32,
    pub height: u32,
    pub wavelet_levels: u8,
    pub flags: Flags,
    pub layer1_size: u32,
    pub layer2_size: u32,
    pub layer3_size: u32,
    pub residual_size: u32,
}

IFF file header

Fields

magic: u32

Magic number (0x50504649 = “PPFI”)

version: Version

File version

width: u32

Image width

height: u32

Image height

wavelet_levels: u8

Number of wavelet decomposition levels

flags: Flags

Flags

layer1_size: u32

Layer 1 size in bytes

layer2_size: u32

Layer 2 size in bytes

layer3_size: u32

Layer 3 size in bytes

residual_size: u32

Residual size in bytes

Implementations

impl Header

pub const SIZE: usize = 32usize

Header size in bytes (fixed)

pub fn new(width: u32, height: u32, wavelet_levels: u8) -> Self

Create a new header

pub fn to_bytes(&self) -> Vec<u8>

Serialize header to bytes

pub fn from_bytes(bytes: &[u8]) -> Result<Self>

Deserialize header from bytes

Trait Implementations

impl Clone for Header

fn clone(&self) -> Header

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Header

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Header

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Header

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.