/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
/// <reference types="webxr" />
import { mat4, quat, vec2, vec3 } from "gl-matrix";
import { AxesTextOrientation, Core, Edge2D, HorizontalAlignment, Orientation, UnitType, VerticalAlignment } from "../main.js";
import { ITextMetric } from "../helpers/text.js";
import { TransitionBuffer } from "../renderers/basic/buffer.js";
import { IComponent, IComponentVisual } from "./component.js";
import { Font } from "../font.js";
export interface IKeyVisual extends IComponentVisual {
    key: KeyBase;
}
export declare class KeyVisual implements IKeyVisual {
    key: KeyBase;
    isVisible: boolean;
    viewports: DOMRect[];
    viewportOffset: number;
    viewportCount: number;
    mMatrix: mat4;
    mvMatrices: mat4[];
    vMatrices: mat4[];
    inverseVMatrices: mat4[];
    pMatrices: mat4[];
    isInitialized: boolean;
    render(elapsedTime: number, xrFrame?: XRFrame): void;
    update(elapsedTime: number): void;
    constructor(key: KeyBase);
}
export interface IKeyOptions {
    labels: string[];
    minBoundsX?: number;
    minBoundsY?: number;
    minBoundsZ?: number;
    maxBoundsX?: number;
    maxBoundsY?: number;
    maxBoundsZ?: number;
    positionX?: number;
    positionY?: number;
    positionZ?: number;
    palette?: Uint8Array;
    labelPositions?: number[];
    labelScale?: number;
    labelMaxGlyphs?: number;
    labelPosition?: Edge2D;
    labelOrientation?: Orientation;
    title?: string;
    titleScale?: number;
    titleMaxGlyphs?: number;
    titlePosition?: Edge2D;
    titleOrientation?: Orientation;
    rotation?: quat;
    font?: Font;
    orientation?: Orientation;
    horizontalAlignment?: HorizontalAlignment;
    verticalAlignment?: VerticalAlignment;
    horizontalContentAlignment?: HorizontalAlignment;
    verticalContentAlignment?: VerticalAlignment;
}
export declare abstract class KeyBase implements IComponent {
    protected _core: Core;
    protected _size: vec3;
    protected _hasChanged: boolean;
    protected _isInitialized: boolean;
    get isInitialized(): boolean;
    protected _minBoundsX: number;
    protected _minBoundsY: number;
    protected _minBoundsZ: number;
    protected _maxBoundsX: number;
    protected _maxBoundsY: number;
    protected _maxBoundsZ: number;
    get minBoundsX(): number;
    set minBoundsX(value: number);
    get maxBoundsX(): number;
    set maxBoundsX(value: number);
    get minBoundsY(): number;
    set minBoundsY(value: number);
    get maxBoundsY(): number;
    set maxBoundsY(value: number);
    get minBoundsZ(): number;
    set minBoundsZ(value: number);
    get maxBoundsZ(): number;
    set maxBoundsZ(value: number);
    protected _transitionBuffer: TransitionBuffer;
    protected _unitType: UnitType;
    get unitType(): UnitType;
    set unitType(value: UnitType);
    protected _palette: Uint8Array;
    get palette(): Uint8Array;
    set palette(value: Uint8Array);
    protected _materials: Uint16Array;
    get materials(): Uint16Array;
    set materials(value: Uint16Array);
    protected _sizesX: Float64Array;
    get sizesX(): Float64Array;
    set sizesX(value: Float64Array);
    protected _sizesY: Float64Array;
    get sizesY(): Float64Array;
    set sizesY(value: Float64Array);
    protected _sizesZ: Float64Array;
    get sizesZ(): Float64Array;
    set sizesZ(value: Float64Array);
    protected _spacing: Number;
    get spacing(): Number;
    set spacing(value: Number);
    protected _textMetric: ITextMetric;
    protected _textVertices: ArrayBuffer;
    protected _textVerticesView: DataView;
    protected _textIndices: Uint16Array;
    protected _textOffset: vec3;
    protected _textPosition: vec3;
    protected _distances: number[];
    get textVertices(): ArrayBuffer;
    get textIndices(): Uint16Array;
    protected _labelPositions: number[];
    protected _labelSize: number;
    protected _labels: string[];
    protected _maxLabelSize: vec2;
    protected _orientation: AxesTextOrientation;
    protected _leftToRightIndexCount: number;
    protected _rightToLeftIndexCount: number;
    protected _leftToRightIndexOffset: number;
    protected _rightToLeftIndexOffset: number;
    protected _labelMMatrix: mat4;
    get labelMMatrix(): mat4;
    set labelPositions(value: number[]);
    set labels(value: string[]);
    set labelSize(value: number);
    get labelOrientation(): AxesTextOrientation;
    set labelOrientation(value: AxesTextOrientation);
    private _title;
    private _titleSize;
    private _titleIndexCount;
    private _titleIndexOffset;
    private _titleMMatrix;
    get titleIndexCount(): number;
    get titleIndexOffset(): number;
    get titleMMatrix(): mat4;
    set title(value: string);
    set titleSize(value: number);
    hasChangedCallback: () => void;
    constructor(core: Core, options: IKeyOptions);
    initialize(): void;
    update(elapsedTime: number): void;
    protected _update(size: vec3): void;
}
export interface INominalKeyOptions extends IKeyOptions {
    values: Float64Array;
    sizeX?: number;
    sizeY?: number;
    sizeZ?: number;
    spacing?: number;
}
export declare class NominalKey extends KeyBase {
    constructor(core: Core, options: INominalKeyOptions);
}