Struct iced_core::renderer::Null

pub struct Null;

A renderer that does nothing.

It can be useful if you are writing tests!

Implementations

impl Null

pub fn new() -> Null

Creates a new Null renderer.

Trait Implementations

impl Clone for Null

fn clone(&self) -> Null

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Null

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

Formats the value using the given formatter.

impl Default for Null

fn default() -> Null

Returns the “default value” for a type.

impl Renderer for Null

type Font = Font

The font type used.

type Paragraph = ()

The Paragraph of this Renderer.

type Editor = ()

The Editor of this Renderer.

const ICON_FONT: Font = Font::DEFAULT

The icon font of the backend.

const CHECKMARK_ICON: char = '0'

The char representing a ✔ icon in the ICON_FONT.

const ARROW_DOWN_ICON: char = '0'

The char representing a ▼ icon in the built-in ICON_FONT.

fn default_font(&self) -> Self::Font

Returns the default Self::Font.

fn default_size(&self) -> Pixels

Returns the default size of Text.

fn load_font(&mut self, _font: Cow<'static, [u8]>)

Loads a Self::Font from its bytes.

fn fill_paragraph( &mut self, _paragraph: &Self::Paragraph, _position: Point, _color: Color, _clip_bounds: Rectangle )

Draws the given Paragraph at the given position and with the given Color.

fn fill_editor( &mut self, _editor: &Self::Editor, _position: Point, _color: Color, _clip_bounds: Rectangle )

Draws the given Editor at the given position and with the given Color.

fn fill_text( &mut self, _paragraph: Text<'_, Self::Font>, _position: Point, _color: Color, _clip_bounds: Rectangle )

Draws the given Text at the given position and with the given Color.

impl Renderer for Null

fn with_layer(&mut self, _bounds: Rectangle, _f: impl FnOnce(&mut Self))

Draws the primitives recorded in the given closure in a new layer.

fn with_transformation( &mut self, _transformation: Transformation, _f: impl FnOnce(&mut Self) )

Applies a Transformation to the primitives recorded in the given closure.

fn clear(&mut self)

Clears all of the recorded primitives in the Renderer.

fn fill_quad(&mut self, _quad: Quad, _background: impl Into<Background>)

Fills a Quad with the provided Background.

fn with_translation(&mut self, translation: Vector, f: impl FnOnce(&mut Self))

Applies a translation to the primitives recorded in the given closure.

impl Copy for Null