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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
85 lines
3.7 KiB
TypeScript
85 lines
3.7 KiB
TypeScript
import { AbstractGraph, GraphOptions } from '@antv/g6-core';
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import { DataUrlType, IGraph } from '../interface/graph';
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import { PluginBase } from '@antv/g6-plugin';
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import { WaterMarkerConfig } from '../types';
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export default class Graph extends AbstractGraph implements IGraph {
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destroyed: boolean;
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constructor(cfg: GraphOptions);
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protected initLayoutController(): void;
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protected initEventController(): void;
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protected initCanvas(): void;
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protected initPlugins(): void;
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/**
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* 增加图片下载水印功能
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*/
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protected downloadImageWatermark(watermarker: HTMLElement, context: CanvasRenderingContext2D, width: number, height: number): Promise<void>;
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/**
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* 用于生成图片 (异步callback)
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* @param {String} type 图片类型，可选值："image/png" | "image/jpeg" | "image/webp" | "image/bmp"
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* @param {string} backgroundColor 图片背景色
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* @return {string} 图片 dataURL
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*/
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protected asyncToDataUrl(type?: DataUrlType, backgroundColor?: string, callback?: Function, widths?: number, heights?: number, vCanvasEl?: any): void;
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/**
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* 返回可见区域的图的 dataUrl，用于生成图片
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* @param {String} type 图片类型，可选值："image/png" | "image/jpeg" | "image/webp" | "image/bmp"
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* @param {string} backgroundColor 图片背景色
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* @return {string} 图片 dataURL
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*/
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toDataURL(type?: DataUrlType, backgroundColor?: string): string;
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/**
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* 返回整个图（包括超出可见区域的部分）的 dataUrl，用于生成图片
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* @param {Function} callback 异步生成 dataUrl 完成后的回调函数，在这里处理生成的 dataUrl 字符串
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* @param {String} type 图片类型，可选值："image/png" | "image/jpeg" | "image/webp" | "image/bmp"
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* @param {Object} imageConfig 图片配置项，包括背景色和上下左右的 padding
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*/
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toFullDataURL(callback: (res: string) => any, type?: DataUrlType, imageConfig?: {
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backgroundColor?: string;
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padding?: number | number[];
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}): void;
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/**
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* 导出包含全图的图片
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* @param {String} name 图片的名称
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* @param {String} type 图片类型，可选值："image/png" | "image/jpeg" | "image/webp" | "image/bmp"
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* @param {Object} imageConfig 图片配置项，包括背景色和上下左右的 padding
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*/
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downloadFullImage(name?: string, type?: DataUrlType, imageConfig?: {
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backgroundColor?: string;
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padding?: number | number[];
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}): void;
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/**
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* 画布导出图片，图片仅包含画布可见区域部分内容
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* @param {String} name 图片的名称
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* @param {String} type 图片类型，可选值："image/png" | "image/jpeg" | "image/webp" | "image/bmp"
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* @param {string} backgroundColor 图片背景色
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*/
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downloadImage(name?: string, type?: DataUrlType, backgroundColor?: string): void;
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private dataURLToImage;
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/**
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* 添加插件
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* @param {object} plugin 插件实例
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*/
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addPlugin(plugin: PluginBase): void;
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/**
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* 添加插件
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* @param {object} plugin 插件实例
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*/
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removePlugin(plugin: PluginBase): void;
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/**
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* 设置图片水印
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* @param {string} imgURL 图片水印的url地址
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* @param {WaterMarkerConfig} config 文本水印的配置项
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*/
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setImageWaterMarker(imgURL?: string | undefined, config?: WaterMarkerConfig): void;
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/**
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* 设置文本水印
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* @param {string[]} texts 水印的文本内容
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* @param {WaterMarkerConfig} config 文本水印的配置项
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*/
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setTextWaterMarker(texts: string[] | string | undefined, config?: WaterMarkerConfig): void;
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/**
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* 销毁画布
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*/
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destroy(): void;
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}
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