import { Shape } from "./shapes/Shape";
import { ViewPortMouseEvent } from "./handler/MouseEventHandler";
import { Point } from "./planimetry";
import { ViewPort } from "./viewport";
export interface IEngine {
    /**
     * 通过序号获取一个图形
     * @param zindex 序号
     */
    getShape(zindex: number): Shape;
    /**
     * 获取图形列表的大小
     */
    shapePoolSize: number;
    /**
     * 添加图形
     * @param shape 图形
     */
    add(shape: Shape): void;
    /**
     * 添加一些图形
     * @param shapes 需要添加的图形
     */
    addSome(shapes: Shape[]): void;
    /**
     * 删除图形
     * @param shape 图形
     */
    remove(shape: Shape): void;
    /**
     * 移除一些图形
     * @param shapes 需要移除的图形
     */
    removeSome(shapes: Shape[]): void;
    /**
     * 渲染所有图元,惰性,由用户手动调用,不会主动清空画布
     */
    render(isClear?: boolean): void;
    /**
     * 清除画布
     */
    clearAll(): void;
    /**
     * 命中检测，返回所有被命中的shape的zIndex
     * @param p 检测点
     */
    hitTest(p: Point): number[];
    /**
     * 移除所有选中的shape
     */
    removeSelected(): void;
}
/**
 * 渲染引擎
 */
export declare class Engine implements IEngine {
    ctx: CanvasRenderingContext2D;
    readonly viewPort: ViewPort;
    constructor(ctx: CanvasRenderingContext2D, viewPort: ViewPort);
    /**
     * 图形池
     */
    private shapePool;
    getShape(zindex: number): Shape;
    readonly shapePoolSize: number;
    add(shape: Shape): void;
    addSome(shapes: Shape[]): void;
    remove(shape: Shape): void;
    removeSome(shapes: Shape[]): void;
    render(isClear?: boolean): void;
    clearAll(): void;
    /**
     * 触发视窗鼠标事件
     * @param vev 视窗鼠标事件
     */
    trigger(vev: ViewPortMouseEvent): void;
    hitTest(p: Point): number[];
    removeSelected(): void;
}
//# sourceMappingURL=Engine.d.ts.map