Enum png::BlendOp

#[repr(u8)]
pub enum BlendOp {
    Source,
    Over,
}

How pixels are written into the buffer.

Variants

Source

Pixels overwrite the value at their position.

Over

The new pixels are blended into the current state based on alpha.

Methods

impl BlendOp

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

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

Trait Implementations

impl Eq for BlendOp

impl Clone for BlendOp

fn clone(&self) -> BlendOp

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq<BlendOp> for BlendOp

fn eq(&self, other: &BlendOp) -> 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 Copy for BlendOp

impl Debug for BlendOp

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

Formats the value using the given formatter.

impl Display for BlendOp

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

Formats the value using the given formatter.