import { Canvas } from '../canvas';
import { ClipRectLayer, ClipRRectLayer, ContainerLayer, Layer } from '../compositing';
import { Point, Rect, RRect } from '../math';
import type { RenderObject } from './render-object';
export type PaintingContextCallback = (context: PaintingContext, offset: Point) => void;
export declare class PaintingContext {
    private readonly containerLayer;
    private readonly estimatedBounds;
    static repaintCompositedChild(child: RenderObject, debugAlsoPaintedParent?: boolean): void;
    private static _repaintCompositedChild;
    protected constructor(containerLayer: ContainerLayer, estimatedBounds: Rect);
    /**
     * 绘制一个子节点
     *
     * 如果子节点具有自己的合成层，则会在当前上下文中创建一个子图层进行绘制，否则会绘制到当前图层
     */
    paintChild(child: RenderObject, offset: Point): void;
    private compositeChild;
    protected appendLayer(layer: Layer): void;
    private pictureLayer?;
    private recorder?;
    private _canvas?;
    get canvas(): Canvas;
    private get isRecording();
    private startRecording;
    protected stopRecordingIfNeeded(): void;
    pushLayer(childLayer: ContainerLayer, painter: PaintingContextCallback, offset: Point, childPaintBounds?: Rect): void;
    protected createChildContext(childLayer: ContainerLayer, bounds: Rect): PaintingContext;
    pushClipRect(needsCompositing: boolean, offset: Point, clipRect: Rect, painter: PaintingContextCallback, oldLayer?: ClipRectLayer): ClipRectLayer | null;
    clipRectAndPaint(rect: Rect, painter: () => void): void;
    pushClipRRect(needsCompositing: boolean, offset: Point, clipRRect: RRect, painter: PaintingContextCallback, oldLayer?: ClipRRectLayer): ClipRRectLayer | null;
    clipRRectAndPaint(rrect: RRect, painter: () => void): void;
    setWillChange(): void;
}