Struct ImageCache

Source

pub struct ImageCache { /* private fields */ }

Expand description

Pre-converted RGBA image data cache, indexed by display list element index.

Built once per page after display list capture. Reused across all viewport renders so that ICC color conversion (especially CMYK→sRGB) is not repeated on every pan/zoom.

Implementations§

Source §

impl ImageCache

Source

pub fn build(list: &DisplayList, icc: Option<&IccCache>) -> Self

Build cache by pre-converting all images in the display list.

Source

pub fn get(&self, index: usize) -> Option<&[u8]>

Get pre-converted RGBA for the element at the given index.

Auto Trait Implementations§

§

impl UnwindSafe for ImageCache

Blanket Implementations§

Source §

impl<T> Any for T
where T: 'static + ?Sized,

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

impl<T> Borrow<T> for T
where T: ?Sized,

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source §

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

Source §

impl<T, U> Into for T
where U: From<T>,

Source §

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source §

impl<T> IntoEither for T

Source §

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §