Struct CanvasData

pub(crate) struct CanvasData<DrawTarget: GenericDrawTarget> {
    drawtarget: DrawTarget,
    compositor_api: CrossProcessCompositorApi,
    image_key: ImageKey,
}

Fields

drawtarget: DrawTarget

compositor_api: CrossProcessCompositorApi

image_key: ImageKey

Implementations

impl<DrawTarget: GenericDrawTarget> CanvasData<DrawTarget>

pub(crate) fn new( size: Size2D<u64>, compositor_api: CrossProcessCompositorApi, ) -> CanvasData<DrawTarget>

pub(crate) fn image_key(&self) -> ImageKey

pub(crate) fn draw_image( &mut self, snapshot: Snapshot, dest_rect: Rect<f64>, source_rect: Rect<f64>, smoothing_enabled: bool, shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn fill_text( &mut self, text_bounds: Rect<f64>, text_runs: Vec<TextRun>, fill_or_stroke_style: FillOrStrokeStyle, _shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn fill_rect( &mut self, rect: &Rect<f32>, style: FillOrStrokeStyle, shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn clear_rect( &mut self, rect: &Rect<f32>, transform: Transform2D<f64>, )

pub(crate) fn stroke_rect( &mut self, rect: &Rect<f32>, style: FillOrStrokeStyle, line_options: LineOptions, shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn fill_path( &mut self, path: &Path, fill_rule: FillRule, style: FillOrStrokeStyle, _shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn stroke_path( &mut self, path: &Path, style: FillOrStrokeStyle, line_options: LineOptions, _shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, )

pub(crate) fn clip_path( &mut self, path: &Path, fill_rule: FillRule, transform: Transform2D<f64>, )

pub(crate) fn recreate(&mut self, size: Option<Size2D<u64>>)

https://html.spec.whatwg.org/multipage/#reset-the-rendering-context-to-its-default-state

pub(crate) fn update_image_rendering(&mut self, canvas_epoch: Option<Epoch>)

Update image in WebRender

pub(crate) fn put_image_data(&mut self, snapshot: Snapshot, rect: Rect<u32>)

fn create_draw_target_for_shadow(&self, source_rect: &Rect<f32>) -> DrawTarget

fn draw_with_shadow<F>( &self, rect: &Rect<f32>, shadow_options: ShadowOptions, composition_options: CompositionOptions, transform: Transform2D<f64>, draw_shadow_source: F, )

where F: FnOnce(&mut DrawTarget, Transform2D<f64>),

fn maybe_bound_shape_with_pattern<F>( &mut self, style: FillOrStrokeStyle, composition_options: CompositionOptions, path_bound_box: &Rect<f64>, transform: Transform2D<f64>, draw_shape: F, )

where F: FnOnce(&mut Self, FillOrStrokeStyle),

Push a clip to the draw target to respect the non-repeating bound (either x, y, or both) of the given pattern.

pub(crate) fn read_pixels(&mut self, read_rect: Option<Rect<u32>>) -> Snapshot

It reads image data from the canvas canvas_size: The size of the canvas we’re reading from read_rect: The area of the canvas we want to read from

pub(crate) fn pop_clips(&mut self, clips: usize)

Trait Implementations

impl<D: GenericDrawTarget> Drop for CanvasData<D>

fn drop(&mut self)

Executes the destructor for this type.