Enum MaskAlphaMode 

pub enum MaskAlphaMode {
    UseMask,
    Scale(f32),
    Solid(u8),
}

How mask values are converted into output alpha.

Variants

UseMask

Use the mask value directly as alpha.

Scale(f32)

Scale the mask alpha by a factor.

Solid(u8)

Treat any non-zero mask value as a solid alpha.

Trait Implementations

impl Clone for MaskAlphaMode

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MaskAlphaMode

impl Debug for MaskAlphaMode

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

Formats the value using the given formatter.

impl Default for MaskAlphaMode

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq for MaskAlphaMode

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for MaskAlphaMode