@antv/g2plot/esm/plots/word-cloud/layer.d.ts

G2 Plot, a market of plots built with the Grammar of Graphics'

/**
 * Create By Bruce Too
 * On 2019-12-25
 */
import { LayerConfig } from '../..';
import Layer from '../../base/layer';
export declare type CloudShape = 'circle' | 'square' | 'cardioid' | 'diamond' | 'triangle' | 'triangle-forward' | 'triangle-backward' | 'triangle-up' | 'triangle-down' | 'pentagon' | 'star';
export declare type Dimension = {
    x: number;
    y: number;
    w: number;
    h: number;
};
export declare type WordCloudData = {
    word: string;
    weight: number;
    id: number;
    color?: string;
};
/**
 * Inner start function, refresh canvas immediately(no any delay draw all 'cloud'
 * nearly at same time) with specific id
 */
export declare type InnerStartFunction = (selected: number) => void;
export declare type Active = {
    shadowColor?: string;
    shadowBlur?: number;
};
export declare type WordStyle = {
    fontFamily?: string;
    fontWeight?: string | ((word: string, weight: number) => string);
    color?: string | ((word: string, weight: number) => string);
    active?: Active;
    rotation?: [number, number];
    rotationSteps?: number;
    rotateRatio?: number;
    fontSize?: [number, number];
    gridSize?: number;
    drawOutOfBound?: boolean;
};
export interface WordCloudViewConfig {
    data: Array<WordCloudData> | Function;
    maskImage?: string;
    backgroundColor?: string;
    wordStyle?: WordStyle;
    shuffle?: boolean;
    selected?: number;
    tooltip?: {
        visible: boolean;
    };
    shape?: CloudShape | Function;
    onWordCloudHover?: (item: WordCloudData, dimension: Dimension, evt: MouseEvent, start: InnerStartFunction) => {};
    onWordCloudClick?: (item: WordCloudData, dimension: Dimension, evt: MouseEvent) => {};
}
interface WordCloudLayerConfig extends WordCloudViewConfig, LayerConfig {
}
export default class WordCloudLayer extends Layer<WordCloudLayerConfig> {
    private _targetCanvas;
    private _toolTips;
    private readonly _configHoverAction;
    private readonly _enableToolTips;
    constructor(props: WordCloudLayerConfig);
    init(): void;
    render(): void;
    private _toolTipsAction;
    private _initToolTips;
    private _render;
    private _handleMaskImage;
    private _start;
    private _handleG2PlotConfig;
    private _startWithMaskImage;
    private _scaleMaskImageCanvas;
    private _transformWhite2BlackPixels;
}
export {};