click-captcha/dist/core/svg-builder.d.ts

Chinese Character Sequence Click Verification System

import { RequiredCaptchaOptions, VerificationPoint } from "../types";
import * as opentype from "opentype.js";
export declare class SvgBuilder {
    private static font;
    private static hintFont;
    /**
     * 初始化字体
     */
    static initializeFont(path: string): void;
    /**
     * 生成干扰线
     */
    static generateNoiseLine(width: number, height: number): string;
    /**
     * 字符转路径
     */
    static charToPath(fontFamily: opentype.Font | null, char: string, fontSize: number): {
        path: string;
        bbox: opentype.BoundingBox;
    };
    /**
     * 生成文字路径
     */
    static generateText(charData: {
        path: string;
        bbox: opentype.BoundingBox;
    }, centerX: number, centerY: number): string;
    /**
     * 生成提示图片
     */
    static buildHint(chars: Array<{
        char: string;
    }>, options: RequiredCaptchaOptions): string;
    /**
     * 生成完整的SVG
     */
    static buildMain(chars: VerificationPoint[], options: RequiredCaptchaOptions): string;
}