import Eventful from 'zrender/lib/core/Eventful.js';
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import { ZRenderType } from 'zrender/lib/zrender.js';
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import { ZRElementEvent, RoamOptionMixin } from '../../util/types.js';
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import { Bind3 } from 'zrender/lib/core/util.js';
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import Group from 'zrender/lib/graphic/Group.js';
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export declare type RoamType = RoamOptionMixin['roam'];
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interface RoamOption {
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zoomOnMouseWheel?: boolean | 'ctrl' | 'shift' | 'alt';
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moveOnMouseMove?: boolean | 'ctrl' | 'shift' | 'alt';
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moveOnMouseWheel?: boolean | 'ctrl' | 'shift' | 'alt';
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/**
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* If fixed the page when pan
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*/
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preventDefaultMouseMove?: boolean;
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}
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declare type RoamBehavior = 'zoomOnMouseWheel' | 'moveOnMouseMove' | 'moveOnMouseWheel';
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export interface RoamEventParams {
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'zoom': {
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scale: number;
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originX: number;
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originY: number;
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isAvailableBehavior: Bind3<typeof isAvailableBehavior, null, RoamBehavior, ZRElementEvent>;
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};
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'scrollMove': {
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scrollDelta: number;
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originX: number;
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originY: number;
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isAvailableBehavior: Bind3<typeof isAvailableBehavior, null, RoamBehavior, ZRElementEvent>;
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};
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'pan': {
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dx: number;
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dy: number;
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oldX: number;
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oldY: number;
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newX: number;
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newY: number;
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isAvailableBehavior: Bind3<typeof isAvailableBehavior, null, RoamBehavior, ZRElementEvent>;
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};
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}
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export interface RoamControllerHost {
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target: Group;
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zoom: number;
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zoomLimit: {
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min?: number;
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max?: number;
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};
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}
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declare class RoamController extends Eventful<{
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[key in keyof RoamEventParams]: (params: RoamEventParams[key]) => void | undefined;
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}> {
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pointerChecker: (e: ZRElementEvent, x: number, y: number) => boolean;
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private _zr;
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private _opt;
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private _dragging;
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private _pinching;
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private _x;
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private _y;
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readonly enable: (this: this, controlType?: RoamType, opt?: RoamOption) => void;
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readonly disable: () => void;
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constructor(zr: ZRenderType);
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isDragging(): boolean;
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isPinching(): boolean;
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setPointerChecker(pointerChecker: RoamController['pointerChecker']): void;
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dispose(): void;
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private _mousedownHandler;
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private _mousemoveHandler;
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private _mouseupHandler;
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private _mousewheelHandler;
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private _pinchHandler;
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}
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declare function isAvailableBehavior(behaviorToCheck: RoamBehavior, e: ZRElementEvent, settings: Pick<RoamOption, RoamBehavior>): boolean;
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export default RoamController;
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