Trait SurfaceExtWeb

pub trait SurfaceExtWeb: Sized {
    // Required methods
    fn from_canvas(canvas: HtmlCanvasElement) -> Result<Self, SoftBufferError>;
    fn from_offscreen_canvas(
        offscreen_canvas: OffscreenCanvas,
    ) -> Result<Self, SoftBufferError>;
}

Available on WebAssembly only.

Extension methods for the Wasm target on Surface.

Required Methods

fn from_canvas(canvas: HtmlCanvasElement) -> Result<Self, SoftBufferError>

Creates a new instance of this struct, using the provided HtmlCanvasElement.

Errors

• If the canvas was already controlled by an OffscreenCanvas.
• If a another context then “2d” was already created for this canvas.

fn from_offscreen_canvas( offscreen_canvas: OffscreenCanvas, ) -> Result<Self, SoftBufferError>

Creates a new instance of this struct, using the provided OffscreenCanvas.

Errors

If a another context then “2d” was already created for this canvas.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl SurfaceExtWeb for Surface<NoDisplayHandle, NoWindowHandle>