"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getOffScreenContext = void 0; // 全局设置一个唯一离屏的 ctx,用于计算 isPointInPath var offScreenCtx = null; function getOffScreenContext() { if (!offScreenCtx) { var canvas = document.createElement('canvas'); canvas.width = 1; canvas.height = 1; offScreenCtx = canvas.getContext('2d'); } return offScreenCtx; } exports.getOffScreenContext = getOffScreenContext; //# sourceMappingURL=offscreen.js.map