import Notifier from './notifier';
export declare type Coord = number;
export declare type XCoord = Coord;
export declare type YCoord = Coord;
export declare const coordInch = 96;
export declare const pointsInch = 72;
export declare const cmInch = 2.54;
export declare const mmInch = 25.4;
export declare const inch = 96;
export declare const pt: number;
export declare const cm: number;
export declare const mm: number;
export declare const zero = 0;
export declare const zeroX: XCoord;
export declare const zeroY: YCoord;
export declare function withinTol(a: number, b: number): boolean;
export declare function notWithinTol(a: number, b: number): boolean;
export declare const equalX: (x1: XCoord, x2: XCoord) => boolean;
export declare const notEqualX: (x1: XCoord, x2: XCoord) => boolean;
export declare const equalY: (y1: YCoord, y2: YCoord) => boolean;
export declare const notEqualY: (x1: XCoord, x2: XCoord) => boolean;
export declare abstract class UserDevice extends Notifier<UserDeviceListener> {
    static instance(name?: string): UserDevice;
    private static defaultImpl();
    screens: Map<string, Screen>;
    protected init(): void;
    protected defaultScreenVar: Screen;
    readonly defaultScreen: Screen;
    abstract loopStart(): void;
    abstract loopStop(): void;
}
export declare class Screen {
    left: XCoord;
    bottom: YCoord;
    right: XCoord;
    top: YCoord;
    width: XCoord;
    height: YCoord;
    ppi: number;
    coord: number;
}
export interface UserDeviceListener {
    mouseMoved?(input: MouseInput): void;
    mousePressed?(input: MouseInput): void;
    mouseReleased?(input: MouseInput): void;
    mouseCanceled?(input: MouseInput): void;
    wheelRolled?(input: MouseInput): void;
    wheelTilted?(input: MouseInput): void;
    touchStarted?(input: TouchInput): void;
    touchMoved?(input: TouchInput): void;
    touchFinished?(input: TouchInput): void;
    touchCanceled?(input: TouchInput): void;
    keyPressed?(input: KeyInput): void;
    keyReleased?(input: KeyInput): void;
    keyCanceled?(input: KeyInput): void;
}
export declare class DeviceInput {
    readonly timestamp: number;
    readonly modifiers: KeyModifierSet;
}
export declare class MouseInput extends DeviceInput {
    readonly x: XCoord;
    readonly y: YCoord;
}
export declare class Touch {
    readonly identifier: number;
    readonly x: XCoord;
    readonly y: YCoord;
}
export declare class TouchInput extends DeviceInput {
    readonly touches: Touch[];
    readonly changed: Touch[];
}
export declare class KeyInput extends DeviceInput {
    readonly key: string;
    readonly code: string;
    readonly location: KeyLocation;
}
export declare enum KeyLocation {
    std = 0,
    left = 1,
    right = 2,
    numpad = 3,
}
export declare enum KeyModifier {
    shift = 0,
    capslock = 1,
    control = 2,
    fn = 3,
    meta = 4,
    alt = 5,
}
export declare type KeyModifierSet = number;