Struct AnyRenderAbstractViewport 

pub struct AnyRenderAbstractViewport { /* private fields */ }

Erased RenderAbstractViewport: what a field or parameter Dart types as RenderAbstractViewport becomes.

Implementations

impl AnyRenderAbstractViewport

pub const DEFAULT_CACHE_EXTENT: f64 = 250.0

The default value for the cache extent of a viewport.

This default assumes CacheExtentStyle::Pixel.

pub fn maybe_of( app: &App, object: Option<AnyRenderObject>, ) -> Option<AnyRenderAbstractViewport>

Returns the viewport that most tightly encloses the given render object.

If the object does not have a viewport as an ancestor, this returns None.

Dart’s RenderAbstractViewport.maybeOf.

pub fn of( app: &App, object: Option<AnyRenderObject>, ) -> AnyRenderAbstractViewport

Returns the viewport that most tightly encloses the given render object.

Dart’s RenderAbstractViewport.of.

Panics

If the object does not have a viewport as an ancestor.

pub fn as_object(self, app: &App) -> AnyRenderObject

The RenderObject view of this viewport.

pub fn get_offset_to_reveal( self, app: &App, target: AnyRenderObject, alignment: f64, rect: Option<Rect>, axis: Option<Axis>, ) -> RevealedOffset

See RenderAbstractViewport::get_offset_to_reveal.

Trait Implementations

impl Clone for AnyRenderAbstractViewport

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 AnyRenderAbstractViewport

impl Debug for AnyRenderAbstractViewport

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

Formats the value using the given formatter.

impl Eq for AnyRenderAbstractViewport

impl PartialEq for AnyRenderAbstractViewport

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

Equality operator ==.

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

Inequality operator !=.