Struct piet_wgpu::RenderContext

pub struct RenderContext<'a, D: DeviceAndQueue + ?Sized> { /* private fields */ }

The whole point.

Trait Implementations

impl<D: DeviceAndQueue + ?Sized> RenderContext for RenderContext<'_, D>

type Brush = Brush<D>

The type of a “brush”.

type Image = Image<D>

The associated type of an image.

type Text = Text

An associated factory for creating text layouts and related resources.

type TextLayout = TextLayout

The type use to represent text layout objects.

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

Draw a rectangle with Gaussian blur.

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

Create an [Image] of the specified region of the context.

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

Replace a region of the canvas with the provided [Color].

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

Clip to a [Shape].

fn current_transform(&self) -> Affine

Returns the transformations currently applied to the context.

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

Draw a [TextLayout].

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 finish(&mut self) -> Result<(), Pierror>

Finish any pending operations.

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

Create a new gradient brush.

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

Create a new [Image] from a pixel buffer.

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

Restore the context state.

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

Save the context state.

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

Create a new brush resource.

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

Report an internal error.

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 transform(&mut self, transform: Affine)

Apply a transform.

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.

impl<D: DeviceAndQueue + ?Sized> IntoBrush<RenderContext<'_, D>> for Brush<D>