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ofd-tools

v1.0.3

Published

ofd文件的浏览器渲染工具

Downloads

5

Readme

源码说明

ofd格式文件浏览器渲染工具,拿了DLTech21/ofd.js项目的源码,修改了一些问题后用rollup重新打包并整理了文档。如果该工具对你有帮助,请感谢原作者;如果遇到问题,也先试下DLTech21/ofd.js是否复现。

安装与使用

npm install ofd-tools --save
# or
pnpm install ofd-tools --save
# or
yarn add ofd-tools
import { parseOfdDocument, renderOfd, renderOfdByScale, setPageScale, getPageScale, digestCheck } from 'ofd-tools'

使用说明

parseOfdDocument 解析ofd文件,renderOfd 将解析后的数据转换为dom

  parseOfdDocument({
    ofd: file, // 类型为File 或 ArrayBuffer 或 能被get请求获取文件的 url string
    success(res) { // 解析成功回调
      const ofdObj = res[0]
      // width 为展示ofd的宽度
      const ofdDoms = renderOfd(width, ofdObj);
      // TODO:加载dom
    },
    fail(e) { // 解析失败回调
      console.error(e);
    },
  });

getPageScale、 setPageScale 、renderOfdByScale 获取、设置缩放

放大例子

setPageScale(++getPageScale())
const ofdDoms = renderOfdByScale(ofdObj)
// TODO:加载dom

digestCheck 用于验证。具体用法见DLTech21/ofd.js例子

简单渲染例子

import { parseOfdDocument, renderOfd } from 'ofd-tools'
const [loading, setLoading] = useState(false);
const ofdview = useRef(null);
setLoading(true);
const loadOfd = {
  parseOfdDocument({
    ofd: file,
    success(res) {
      const ofdDoms = renderOfd(screenWidth, res[0]);
      displayOfdDiv(ofdDoms);
      setLoading(false);
    },
    fail(e) {
      console.error(e);
      ofdview.current.innerHTML = 'OFD文件打开失败';
      setLoading(false);
    },
  });
}
const displayOfdDiv = (divs) => {
  ofdview.current.innerHTML = '';
  for (const div of divs) {
    ofdview.current.appendChild(div);
  }
};
loadOfd();