script::canvas_context

Trait CanvasContext

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pub(crate) trait CanvasContext {
    type ID;

    // Required methods
    fn context_id(&self) -> Self::ID;
    fn canvas(&self) -> HTMLCanvasElementOrOffscreenCanvas<DomTypeHolder>;
    fn resize(&self);
    fn get_image_data_as_shared_memory(&self) -> Option<IpcSharedMemory>;

    // Provided methods
    fn get_image_data(&self) -> Option<Vec<u8>> { ... }
    fn origin_is_clean(&self) -> bool { ... }
    fn size(&self) -> Size2D<u64> { ... }
    fn mark_as_dirty(&self) { ... }
    fn update_rendering(&self) { ... }
    fn onscreen(&self) -> bool { ... }
}

Required Associated Types§

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type ID

Required Methods§

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fn context_id(&self) -> Self::ID

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fn canvas(&self) -> HTMLCanvasElementOrOffscreenCanvas<DomTypeHolder>

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fn resize(&self)

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fn get_image_data_as_shared_memory(&self) -> Option<IpcSharedMemory>

Provided Methods§

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fn get_image_data(&self) -> Option<Vec<u8>>

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fn origin_is_clean(&self) -> bool

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fn size(&self) -> Size2D<u64>

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fn mark_as_dirty(&self)

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fn update_rendering(&self)

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fn onscreen(&self) -> bool

Implementors§