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.

Implementations

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 Clone for BlendOp

pub fn clone(&self) -> BlendOp

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for BlendOp

impl Debug for BlendOp

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

Formats the value using the given formatter.

impl Display for BlendOp

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

Formats the value using the given formatter.

impl Eq for BlendOp

impl PartialEq<BlendOp> for BlendOp

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

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

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

This method tests for !=.

impl StructuralEq for BlendOp

impl StructuralPartialEq for BlendOp