import Layer, { LayerConfig } from './Layer';
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import Displayable from '../graphic/Displayable';
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import { GradientObject } from '../graphic/Gradient';
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import { ImagePatternObject } from '../graphic/Pattern';
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import Storage from '../Storage';
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import { PainterBase } from '../PainterBase';
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interface CanvasPainterOption {
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devicePixelRatio?: number;
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width?: number | string;
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height?: number | string;
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useDirtyRect?: boolean;
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}
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export default class CanvasPainter implements PainterBase {
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type: string;
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root: HTMLElement;
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dpr: number;
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storage: Storage;
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private _singleCanvas;
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private _opts;
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private _zlevelList;
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private _prevDisplayList;
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private _layers;
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private _layerConfig;
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private _needsManuallyCompositing;
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private _width;
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private _height;
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private _domRoot;
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private _hoverlayer;
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private _redrawId;
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private _backgroundColor;
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constructor(root: HTMLElement, storage: Storage, opts: CanvasPainterOption, id: number);
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getType(): string;
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isSingleCanvas(): boolean;
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getViewportRoot(): HTMLElement;
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getViewportRootOffset(): {
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offsetLeft: number;
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offsetTop: number;
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};
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refresh(paintAll?: boolean): this;
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refreshHover(): void;
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private _paintHoverList;
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getHoverLayer(): Layer;
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paintOne(ctx: CanvasRenderingContext2D, el: Displayable): void;
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private _paintList;
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private _compositeManually;
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private _doPaintList;
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private _doPaintEl;
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getLayer(zlevel: number, virtual?: boolean): Layer;
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insertLayer(zlevel: number, layer: Layer): void;
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eachLayer<T>(cb: (this: T, layer: Layer, z: number) => void, context?: T): void;
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eachBuiltinLayer<T>(cb: (this: T, layer: Layer, z: number) => void, context?: T): void;
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eachOtherLayer<T>(cb: (this: T, layer: Layer, z: number) => void, context?: T): void;
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getLayers(): {
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[key: number]: Layer;
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};
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_updateLayerStatus(list: Displayable[]): void;
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clear(): this;
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_clearLayer(layer: Layer): void;
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setBackgroundColor(backgroundColor: string | GradientObject | ImagePatternObject): void;
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configLayer(zlevel: number, config: LayerConfig): void;
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delLayer(zlevel: number): void;
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resize(width?: number | string, height?: number | string): this;
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clearLayer(zlevel: number): void;
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dispose(): void;
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getRenderedCanvas(opts?: {
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backgroundColor?: string | GradientObject | ImagePatternObject;
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pixelRatio?: number;
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}): HTMLCanvasElement;
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getWidth(): number;
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getHeight(): number;
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}
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export {};
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