Enum png::DisposeOp

#[repr(u8)]
pub enum DisposeOp {
    None,
    Background,
    Previous,
}

How to reset buffer of an animated png (APNG) at the end of a frame.

Variants

None

Leave the buffer unchanged.

Background

Clear buffer with the background color.

Previous

Reset the buffer to the state before the current frame.

Methods

impl DisposeOp

pub fn from_u8(n: u8) -> Option<DisposeOp>

u8 -> Self. Using enum_primitive or transmute is probably the right thing but this will do for now.

Trait Implementations

impl Clone for DisposeOp

fn clone(&self) -> DisposeOp

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for DisposeOp

impl Debug for DisposeOp

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

Formats the value using the given formatter.

impl Display for DisposeOp

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

Formats the value using the given formatter.

impl Eq for DisposeOp

impl PartialEq<DisposeOp> for DisposeOp

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use] fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for DisposeOp

impl StructuralPartialEq for DisposeOp