Struct FilterContext 

pub(crate) struct FilterContext {
    layers: Vec<Option<Arc<Pixmap>>>,
    scratch: ScratchBuffer,
}

Fields

layers: Vec<Option<Arc<Pixmap>>>

The rendered pixmaps for each filter layer.

scratch: ScratchBuffer

Implementations

impl FilterContext

pub(crate) fn new(num_layers: usize) -> Self

pub(crate) fn scratch(&mut self) -> &mut ScratchBuffer

pub(crate) fn set_layer(&mut self, id: usize, pixmap: Pixmap)

pub(crate) fn filter_layer(&self, id: usize) -> Option<Arc<Pixmap>>

Trait Implementations

impl Debug for FilterContext

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

Formats the value using the given formatter.

impl Default for FilterContext

fn default() -> FilterContext

Returns the “default value” for a type.