Struct WebRenderContext

pub struct WebRenderContext<'a> { /* private fields */ }

Implementations

impl WebRenderContext<'_>

pub fn new( ctx: CanvasRenderingContext2d, window: Window, ) -> WebRenderContext<'static>

Trait Implementations

impl RenderContext for WebRenderContext<'_>

type Brush = Brush

wasm-bindgen doesn’t have a native Point type, so use kurbo’s.

type Text = WebText

An associated factory for creating text layouts and related resources.

type TextLayout = WebTextLayout

The type use to represent text layout objects.

type Image = WebImage

The associated type of an image.

fn status(&mut self) -> Result<(), Error>

Report an internal error.

fn clear(&mut self, region: impl Into<Option<Rect>>, color: Color)

Replace a region of the canvas with the provided Color.

fn solid_brush(&mut self, color: Color) -> Brush

Create a new brush resource.

fn gradient( &mut self, gradient: impl Into<FixedGradient>, ) -> Result<Brush, Error>

Create a new gradient brush.

fn fill(&mut self, shape: impl Shape, brush: &impl IntoBrush<Self>)

Fill a Shape, using the non-zero fill rule.

fn fill_even_odd(&mut self, shape: impl Shape, brush: &impl IntoBrush<Self>)

Fill a shape, using the even-odd fill rule.

fn clip(&mut self, shape: impl Shape)

Clip to a Shape.

fn stroke( &mut self, shape: impl Shape, brush: &impl IntoBrush<Self>, width: f64, )

Stroke a Shape, using the default StrokeStyle.

fn stroke_styled( &mut self, shape: impl Shape, brush: &impl IntoBrush<Self>, width: f64, style: &StrokeStyle, )

Stroke a Shape, providing a custom StrokeStyle.

fn text(&mut self) -> &mut Self::Text

Returns a reference to a shared Text object.

fn draw_text(&mut self, layout: &Self::TextLayout, pos: impl Into<Point>)

Draw a TextLayout.

fn save(&mut self) -> Result<(), Error>

Save the context state.

fn restore(&mut self) -> Result<(), Error>

Restore the context state.

fn finish(&mut self) -> Result<(), Error>

Finish any pending operations.

fn transform(&mut self, transform: Affine)

Apply a transform.

fn current_transform(&self) -> Affine

Returns the transformations currently applied to the context.

fn make_image_with_stride( &mut self, width: usize, height: usize, stride: usize, buf: &[u8], format: ImageFormat, ) -> Result<Self::Image, Error>

Create a new Image from a pixel buffer with a specified row stride.

fn draw_image( &mut self, image: &Self::Image, dst_rect: impl Into<Rect>, interp: InterpolationMode, )

Draw an Image into the provided Rect.

fn draw_image_area( &mut self, image: &Self::Image, src_rect: impl Into<Rect>, dst_rect: impl Into<Rect>, interp: InterpolationMode, )

Draw a specified area of an Image.

fn capture_image_area( &mut self, _rect: impl Into<Rect>, ) -> Result<Self::Image, Error>

Create an Image of the specified region of the context.

fn blurred_rect( &mut self, rect: Rect, blur_radius: f64, brush: &impl IntoBrush<Self>, )

Draw a rectangle with Gaussian blur.

fn with_save( &mut self, f: impl FnOnce(&mut Self) -> Result<(), Error>, ) -> Result<(), Error>

Do graphics operations with the context state saved and then restored.

fn make_image( &mut self, width: usize, height: usize, buf: &[u8], format: ImageFormat, ) -> Result<Self::Image, Error>

Create a new Image from a pixel buffer.

impl IntoBrush<WebRenderContext<'_>> for Brush