import { CxRenderingContext } from './rendering_context';
import { CxNodePayload } from './node_payload';
import { CxNodePayloadViewport } from './node_payload_viewport';
import { CxXYWH } from './basic_types';
import { CxNodePayloadOrtho } from './node_payload_ortho';
import { CxScene } from './scene';
import { CxUIElement } from './ui_element';
import { CxArrow } from './ui_arrow';
import { CxNodePayloadName } from './node_payload_name';
import { CxPointerEventsProcessor, CxNodePayloadInteractive } from './node_payload_interactive';
export declare enum CxSplitDirection {
    CxNoSplit = 1,
    CxVerticalSplit = 2,
    CxHorizontalSplit = 3,
}
export declare enum CxMarkerOrientation {
    CxLeft = 1,
    CxRight = 2,
    CxTop = 3,
    CxBottom = 4,
}
export declare class CxSplit implements CxPointerEventsProcessor {
    direction: CxSplitDirection;
    volume: number;
    margin: number;
    viewportA: CxNodePayloadViewport;
    viewportB: CxNodePayloadViewport;
    subsplitA: CxSplit;
    subsplitB: CxSplit;
    sceneA: CxNodePayload;
    sceneB: CxNodePayload;
    name: CxNodePayloadName;
    _drag: boolean;
    _drag_start_x: number;
    _drag_start_y: number;
    _drag_start_split: number;
    constructor();
    pressed(source: CxNodePayloadInteractive, object: number, screen_x: number, screen_y: number): void;
    moved(source: CxNodePayloadInteractive, object: number, screen_x: number, screen_y: number): void;
    released(source: CxNodePayloadInteractive, object: number, screen_x: number, screen_y: number): void;
    enter(grid: CxGrid, context: CxRenderingContext): void;
    exit(context: CxRenderingContext): void;
}
export declare class CxGrid extends CxUIElement {
    split: CxSplit;
    proj: CxNodePayloadOrtho;
    _stored_viewport: CxXYWH;
    _splits: Array<CxSplit>;
    _arrow: CxArrow;
    constructor(scene: CxScene);
    draw_arrow(context: CxRenderingContext, x: number, y: number, angle: number, split: CxSplit): void;
    enter(context: CxRenderingContext): void;
    exit(context: CxRenderingContext): void;
}