import { IPoint, InteractionEvent, utils } from "pixi.js";
import { DBase } from "./d-base";
import { UtilGestureModifier } from "./util/util-gesture-modifier";
import { DThemeViewGesture, DViewGesture, DViewGestureOptions } from "./d-view-gesture";
import { DViewTargetPoint } from "./d-view-to-target";
import { DViewConstraint } from "./d-view-constraint";
import { DOnOptions } from "./d-on-options";
export type DViewChecker = (e: WheelEvent | MouseEvent | TouchEvent, modifier: UtilGestureModifier, target: DBase) => boolean;
/**
 * {@link DView} wheel zoom options.
 */
export interface DViewZoomWheelOptions {
    /** True to enable wheel zoom */
    enable?: boolean;
    /** Zoom speed */
    speed?: number;
    /** Mouse modifiers */
    modifier?: keyof typeof UtilGestureModifier | UtilGestureModifier;
    /**
     * Wheel zoom checker.
     * If a checker returns false, wheel zooms will be canceled.
     */
    checker?: DViewChecker;
}
/**
 * {@link DView} double-click zoom options.
 */
export interface DViewZoomDblClickOptions {
    /** True to enable double click zoom */
    enable?: boolean;
    /** Zoom amount */
    amount?: number;
    /** Mouse modifiers */
    modifier?: keyof typeof UtilGestureModifier | UtilGestureModifier;
    /**
     * Double click zoom checker.
     * If a checker returns false, double click zooms will be canceled.
     */
    checker?: DViewChecker;
    /** Zoom duration */
    duration?: number;
}
/**
 * {@link DView} zoom options.
 */
export interface DViewZoomOptions {
    /** Minimum scale */
    min?: number;
    /** Maximum scale */
    max?: number;
    /** True to keep size ratio */
    keepRatio?: boolean;
    /** Wheel zoom options */
    wheel?: DViewZoomWheelOptions;
    /** Double click zoom options */
    dblclick?: DViewZoomDblClickOptions;
}
/**
 * {@link DView} wheel translation options.
 */
export interface DViewTranslationWheelOptions {
    /** True to enable wheel translation */
    enable?: boolean;
    /** Translation speed */
    speed?: number;
    /** Mouse modifiers */
    modifier?: keyof typeof UtilGestureModifier | UtilGestureModifier;
    /**
     * Wheel translation checker.
     * If a checker returns false, wheel translations will be canceled.
     */
    checker?: DViewChecker;
}
/**
 * {@link DView} translation options.
 */
export interface DViewTranslationOptions {
    /** Wheel translation options */
    wheel?: DViewTranslationWheelOptions;
}
/**
 * {@link DView} events.
 */
export interface DViewEvents<EMITTER> {
    /**
     * Triggered when a gesture starts.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    gesturestart(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a gesture ends.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    gestureend(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a gesture stops.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    gesturestop(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when tapped.
     * Unlike the tap event of PixiJS, this event is emitted only when the gesture is not performed.
     *
     * @param target an operation target
     * @param target an event data
     * @param emitter an emitter
     */
    gesturetap(target: DBase, e: InteractionEvent, emitter: EMITTER): void;
    /**
     * Triggered when pressed long.
     * Unlike the tap event of PixiJS, this event is emitted only when the gesture is not performed.
     *
     * @param target an operation target
     * @param target an event data
     * @param emitter an emitter
     */
    gesturelongpress(target: DBase, e: InteractionEvent, emitter: EMITTER): void;
    /**
     * Triggered when a transform starts.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    transformstart(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a transform ends.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    transformend(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a transform stops.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    transformstop(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a wheel translation starts.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    wheeltranslationstart(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a wheel translation ends.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    wheeltranslationend(target: DBase, emitter: EMITTER): void;
    /**
     * Triggered when a wheel translation stops.
     *
     * @param target an operation target
     * @param emitter an emitter
     */
    wheeltranslationstop(target: DBase, emitter: EMITTER): void;
}
/**
 * {@link DView} "on" options.
 */
export interface DViewOnOptions<EMITTER> extends Partial<DViewEvents<EMITTER>>, DOnOptions {
}
/**
 * {@link DView} options.
 */
export interface DViewOptions {
    /** Gesture options */
    gesture?: DViewGestureOptions;
    /** Zoom options */
    zoom?: DViewZoomOptions;
    /** Translation options */
    translation?: DViewTranslationOptions;
    /** Constraint options */
    constraint?: DViewConstraint;
    /** Theme */
    theme?: DThemeView | string;
    /** On options */
    on?: DViewOnOptions<DView>;
}
/**
 * {@link DView} theme.
 */
export interface DThemeView extends DThemeViewGesture {
    isWheelZoomEnabled(): boolean;
    isDblClickZoomEnabled(): boolean;
    isWheelTranslationEnabled(): boolean;
    getWheelZoomSpeed(): number;
    getWheelZoomModifier(): UtilGestureModifier;
    getDblClickZoomSpeed(): number;
    getDblClickZoomModifier(): UtilGestureModifier;
    getDblClickZoomDuration(): number;
    getWheelTranslationSpeed(): number;
    getWheelTranslationModifier(): UtilGestureModifier;
    getZoomMin(): number;
    getZoomMax(): number;
    getZoomKeepRatio(): boolean;
}
export interface DView extends utils.EventEmitter {
    readonly gesture: DViewGesture;
    scale: DViewTargetPoint;
    position: DViewTargetPoint;
    /**
     * Stops an animation if exits.
     */
    stop(): void;
    /**
     * Resets a position and a scale.
     *
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    reset(duration?: number, stop?: boolean): void;
    /**
     * Fits into a screen.
     *
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    fit(duration?: number, stop?: boolean): void;
    /**
     * Zooms in at the current position.
     *
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    zoomIn(duration?: number, stop?: boolean): void;
    /**
     * Zooms out at the current position.
     *
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    zoomOut(duration?: number, stop?: boolean): void;
    /**
     * Zooms into the given position.
     *
     * @param x a local X coordinate position
     * @param y a local Y coordinate position
     * @param scaleX a X coordinate scale
     * @param scaleY a Y coordinate scale
     * @param duration an duration
     * @param stop false to keep a previous animation
     */
    zoomAt(x: number, y: number, scaleX: number, scaleY: number, duration?: number, stop?: boolean): void;
    /**
     * Zooms into the specified global position.
     *
     * @param x a global X coordinate position
     * @param y a global Y coordinate position
     * @param scaleX a X coordinate scale
     * @param scaleY a Y coordinate scale
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    zoomAtGlobal(x: number, y: number, scaleX: number, scaleY: number, duration?: number, stop?: boolean): void;
    /**
     * Zooms in / out at the current position.
     *
     * @param scaleX a X coordinate scale
     * @param scaleY a Y coordinate scale
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    zoom(scaleX: number, scaleY: number, duration?: number, stop?: boolean): void;
    /**
     * Moves to the given position.
     *
     * @param x a local X coordinate position
     * @param y a local Y coordinate position
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    moveTo(x: number, y: number, duration?: number, stop?: boolean): void;
    /**
     * Sets to the specified position and scale.
     *
     * @param x a local X coordinate position
     * @param y a local Y coordinate position
     * @param scaleX a X coordinate scale
     * @param scaleY a Y coordinate scale
     * @param duration an animation duration
     * @param stop false to keep a previous animation
     */
    transform(x: number, y: number, scaleX: number, scaleY: number, duration?: number, stop?: boolean): void;
    toLocal(global: IPoint, local: IPoint, skipUpdate?: boolean): IPoint;
    toGlobal(local: IPoint, global: IPoint, skipUpdate?: boolean): IPoint;
}