import type { Node, Parent } from 'unist';
import type { UnitsType } from '@tracespace/parser';
export declare const IMAGE = "image";
export declare const IMAGE_SHAPE = "imageShape";
export declare const IMAGE_PATH = "imagePath";
export declare const IMAGE_REGION = "imageRegion";
export declare const LINE = "line";
export declare const ARC = "arc";
export declare const CIRCLE = "circle";
export declare const RECTANGLE = "rectangle";
export declare const POLYGON = "polygon";
export declare const OUTLINE = "outline";
export declare const LAYERED_SHAPE = "layeredShape";
export type Position = [x: number, y: number];
export type ArcPosition = [x: number, y: number, theta: number];
export type SizeEnvelope = [x1: number, y1: number, x2: number, y2: number] | [];
export type ImageNode = ImageTree | ImageShape | ImagePath | ImageRegion;
export interface CircleShape {
    type: typeof CIRCLE;
    cx: number;
    cy: number;
    r: number;
}
export interface RectangleShape {
    type: typeof RECTANGLE;
    x: number;
    y: number;
    xSize: number;
    ySize: number;
    r?: number;
}
export interface PolygonShape {
    type: typeof POLYGON;
    points: Position[];
}
export interface OutlineShape {
    type: typeof OUTLINE;
    segments: PathSegment[];
}
export interface LayeredShape {
    type: typeof LAYERED_SHAPE;
    shapes: ErasableShape[];
}
export type HoleShape = CircleShape | RectangleShape;
export type SimpleShape = CircleShape | RectangleShape | PolygonShape | OutlineShape;
export type Shape = SimpleShape | LayeredShape;
export type ErasableShape = SimpleShape & {
    erase?: boolean;
};
export type ImageGraphic = ImageShape | ImagePath | ImageRegion;
export interface ImageTree extends Parent {
    type: typeof IMAGE;
    units: UnitsType;
    size: SizeEnvelope;
    children: ImageGraphic[];
}
export interface ImageShape extends Node {
    type: typeof IMAGE_SHAPE;
    shape: Shape;
}
export interface ImagePath extends Node {
    type: typeof IMAGE_PATH;
    width: number;
    segments: PathSegment[];
}
export interface ImageRegion extends Node {
    type: typeof IMAGE_REGION;
    segments: PathSegment[];
}
export type PathSegment = PathLineSegment | PathArcSegment;
export interface PathLineSegment {
    type: typeof LINE;
    start: Position;
    end: Position;
}
export interface PathArcSegment {
    type: typeof ARC;
    start: ArcPosition;
    end: ArcPosition;
    center: Position;
    radius: number;
}