36 lines
1.5 KiB
TypeScript
36 lines
1.5 KiB
TypeScript
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import Disposable from './disposable.js';
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import { Size } from './size.js';
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export declare type BitmapSizeChangedListener = (this: Binding, oldSize: Size, newSize: Size) => void;
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export declare type BitmapSizeTransformer = (bitmapSize: Size, canvasElementClientSize: Size) => {
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width: number;
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height: number;
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};
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export declare type SuggestedBitmapSizeChangedListener = (this: Binding, oldSize: Size | null, newSize: Size | null) => void;
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export interface Binding extends Disposable {
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readonly canvasElement: HTMLCanvasElement;
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/**
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* Canvas element client size in CSS pixels
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*/
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readonly canvasElementClientSize: Size;
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resizeCanvasElement(clientSize: {
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width: number;
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height: number;
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}): void;
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readonly bitmapSize: Size;
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subscribeBitmapSizeChanged(listener: BitmapSizeChangedListener): void;
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unsubscribeBitmapSizeChanged(listener: BitmapSizeChangedListener): void;
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readonly suggestedBitmapSize: Size | null;
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subscribeSuggestedBitmapSizeChanged(listener: SuggestedBitmapSizeChangedListener): void;
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unsubscribeSuggestedBitmapSizeChanged(listener: SuggestedBitmapSizeChangedListener): void;
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applySuggestedBitmapSize(): void;
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}
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export interface DevicePixelContentBoxBindingTargetOptions {
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allowResizeObserver?: boolean;
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}
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export declare type BindingTarget = {
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type: 'device-pixel-content-box';
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transform?: BitmapSizeTransformer;
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options?: DevicePixelContentBoxBindingTargetOptions;
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};
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export declare function bindTo(canvasElement: HTMLCanvasElement, target: BindingTarget): Binding;
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