/**
 * 图元函数,黑盒,免测试
 */
import { Path, Circle, Point, RectPos } from "./planimetry";
/**
 * 图元
 */
export declare type R = (ctx: CanvasRenderingContext2D) => void;
/**
 * 图元切片
 */
export interface Pattern {
    width: number;
    height: number;
    pattern: CanvasPattern;
}
/**
 * 绘制一个图元切片
 * @param p 左上角点
 * @param pat 图元切片
 */
export declare function putPattern(p: Point, pat: Pattern): R;
/**
 * 生成路径图元
 * @param path 路径
 * @param closed 是否关闭路径
 */
export declare function putPath(path: Path, closed?: boolean): R;
/**
 * 生成圆图元
 * @param circle 圆
 */
export declare function putCircle(circle: Circle): R;
export declare function putRect(rectPos: RectPos, filled: boolean): R;
/**
 * 全画布渲染图像源
 * @param imageSource 图像源
 */
export declare function putImageSource(imageSource: CanvasImageSource, pos?: RectPos): R;
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