visualization-design/src/views/components/Header.vue

<template>
  <div class="app-header">
    <a class="logo" :href="assets.home" target="_blank">
      <img src="/favicon.ico" />
      <span>乐吾乐</span>
    </a>
    <t-dropdown
      :minColumnWidth="200"
      :maxHeight="560"
      :delay2="[10, 150]"
      overlayClassName="header-dropdown"
      trigger1="click"
    >
      <a> 文件 </a>
      <t-dropdown-menu>
        <t-dropdown-item @click="newFile">
          <a>新建文件</a>
        </t-dropdown-item>
        <t-dropdown-item @click="load(true)">
          <a>打开文件</a>
        </t-dropdown-item>
        <t-dropdown-item divider="true" @click="load">
          <a>导入文件</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="save()">保存</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="save(SaveType.SaveAs)">另保存</a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="downloadJson">下载JSON文件</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadZip">
            <div class="flex">
              导出为ZIP文件 <span class="flex-grow"></span>
              <span><label>VIP</label></span>
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadHtml">
            <div class="flex">
              导出为HTML <span class="flex-grow"></span>
              <span><label>VIP</label></span>
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadVue3">
            <div class="flex">
              导出为Vue3组件 <span class="flex-grow"></span>
              <span><label>VIP</label></span>
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadVue2">
            <div class="flex">
              导出为Vue2组件 <span class="flex-grow"></span>
              <span><label>VIP</label></span>
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="downloadReact">
            <div class="flex">
              导出为React组件 <span class="flex-grow"></span>
              <span><label>VIP</label></span>
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadPng">下载为PNG</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="downloadSvg">下载为SVG</a>
        </t-dropdown-item>
      </t-dropdown-menu>
    </t-dropdown>
    <t-dropdown
      :minColumnWidth="180"
      :maxHeight="500"
      :delay2="[10, 150]"
      overlayClassName="header-dropdown"
    >
      <a> 编辑 </a>
      <t-dropdown-menu>
        <t-dropdown-item>
          <a @click="onUndo">
            <div class="flex">
              撤销 <span class="flex-grow"></span> Ctrl + Z
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="onRedo">
            <div class="flex">
              恢复 <span class="flex-grow"></span> Ctrl + Y
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onCut">
            <div class="flex">
              剪切 <span class="flex-grow"></span> Ctrl + X
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onCopy">
            <div class="flex">
              复制 <span class="flex-grow"></span> Ctrl + C
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="onPaste">
            <div class="flex">
              粘贴 <span class="flex-grow"></span> Ctrl + V
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onAll">
            <div class="flex">
              全选 <span class="flex-grow"></span> Ctrl + A
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onDelete">
            <div class="flex">删除 <span class="flex-grow"></span> DELETE</div>
          </a>
        </t-dropdown-item>
      </t-dropdown-menu>
    </t-dropdown>
    <t-dropdown
      :minColumnWidth="180"
      :maxHeight="500"
      :delay2="[10, 150]"
      overlayClassName="header-dropdown"
    >
      <a> 工具 </a>
      <t-dropdown-menu>
        <t-dropdown-item>
          <a @click="onScaleWindow">窗口大小</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onScaleUp">放大</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onScaleDown">缩小</a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="onScaleView">100%视图</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="showMap">
            <div class="flex middle">
              鹰眼地图 <span class="flex-grow"></span>
              <t-icon v-show="map" name="check" />
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="showMagnifier">
            <div class="flex middle">
              放大镜 <span class="flex-grow"></span>
              <t-icon v-show="magnifier" name="check" />
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="onAutoAnchor">
            <div class="flex middle">
              自动锚点 <span class="flex-grow"></span>
              <t-icon v-show="autoAnchor" name="check" />
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="onDisableAnchor">
            <div class="flex middle">
              显示锚点 <span class="flex-grow"></span>
              <t-icon v-show="showAnchor" name="check" />
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a @click="onToggleAnchor">
            <div
              class="flex"
              :style="{
                color: showAnchor ? '' : '#4f5b75',
              }"
            >
              添加/删除锚点 <span class="flex-grow"></span> A
            </div>
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="switchTheme('light')">明亮主题</a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="switchTheme('dark')">暗黑主题</a>
        </t-dropdown-item>
      </t-dropdown-menu>
    </t-dropdown>
    <t-dropdown
      :minColumnWidth="180"
      :maxHeight="500"
      :delay2="[10, 150]"
      overlayClassName="header-dropdown"
    >
      <a> 帮助 </a>
      <t-dropdown-menu>
        <t-dropdown-item v-for="item in assets.helps" :divider="item.divider">
          <a :href="item.url" target="_blank">{{ item.name }}</a>
        </t-dropdown-item>
      </t-dropdown-menu>
    </t-dropdown>
    <input v-model="data.name" @input="onInputName" />

    <div style="width: 290px; flex-shrink: 0"></div>
    <t-dropdown
      v-if="user.id"
      :minColumnWidth="200"
      :maxHeight="500"
      :delay2="[10, 150]"
      overlayClassName="custom-dropdown header"
    >
      <a style="margin-left: 32px; margin-right: 12px">
        <t-avatar
          size="small"
          :image="user.avatarUrl ? user.avatarUrl : baseUrl + 'img/avatar.png'"
        />
      </a>
      <t-dropdown-menu>
        <t-dropdown-item divider="true">
          <a :href="assets.account">
            {{ user.username }}
            <label class="ml-16 vip-label">VIP</label>
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a :href="`${assets.account}/v`" target="_blank"> 我的大屏 </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a :href="`${assets.account}/account/teams`" target="_blank">
            我的团队
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a :href="`${assets.account}/account/info`" target="_blank">
            账号信息
          </a>
        </t-dropdown-item>
        <t-dropdown-item divider="true">
          <a :href="`${assets.account}/account/security`" target="_blank">
            安全设置
          </a>
        </t-dropdown-item>
        <t-dropdown-item>
          <a @click="signout">退出</a>
        </t-dropdown-item>
      </t-dropdown-menu>
    </t-dropdown>
    <div class="flex middle" v-else>
      <a class="button primary solid" style="width: 80px" :href="login()">
        登录
      </a>
    </div>
  </div>
</template>

<script lang="ts" setup>
import { reactive, ref, onBeforeMount, onUnmounted, nextTick } from 'vue';
import { useRouter, useRoute } from 'vue-router';
import { useUser } from '@/services/user';
import { MessagePlugin } from 'tdesign-vue-next';
import {
  Meta2dBackData,
  dealwithFormatbeforeOpen,
  gotoAccount,
  checkData,
} from '@/services/utils';
import { readFile } from '@/services/file';
import { compareVersion, baseVer, upgrade } from '@/services/upgrade';
import { parseSvg } from '@meta2d/svg';
import { Pen, getGlobalColor, isShowChild } from '@meta2d/core';
import { cdn, upCdn } from '@/services/api';
import JSZip from 'jszip';
import axios from 'axios';
import { switchTheme } from '@/services/theme';
import { noLoginTip } from '@/services/utils';
import {
  save,
  blank,
  newFile,
  SaveType,
  onScaleView,
  onScaleWindow,
  showMagnifier,
  showMap,
  drawPen,
  map,
  magnifier,
  useDot,
  delAttrs,
  useAssets,
} from '@/services/common';

const router = useRouter();
const route = useRoute();

const baseUrl = import.meta.env.BASE_URL || '/';

const { assets, getAssets } = useAssets();

const { user, signout } = useUser();
const { setDot } = useDot();
const data = reactive({
  name: '空白文件',
});

onBeforeMount(async () => {
  getAssets();
});

const onInputName = () => {
  (meta2d.store.data as Meta2dBackData).name = data.name;
  setDot();
};

const initMeta2dName = () => {
  data.name = (meta2d.store.data as Meta2dBackData).name || '';
};

nextTick(() => {
  meta2d.on('opened', initMeta2dName);
});

onUnmounted(() => {
  meta2d.off('opened', initMeta2dName);
});

const login = () => {
  return `${assets.account}?cb=${encodeURIComponent(location.href)}`;
};

function load(isNew = false) {
  const input = document.createElement('input');
  input.type = 'file';
  input.onchange = (event) => {
    const elem = event.target as HTMLInputElement;
    if (elem.files && elem.files[0]) {
      blank();
      // 路由跳转 可能在 openFile 后执行
      if (elem.files[0].name.endsWith('.json')) {
        openJson(elem.files[0]);
        if (isNew) {
          router.push({
            path: '/',
            query: {
              r: Date.now() + '',
            },
          });
        }
      } else if (elem.files[0].name.endsWith('.svg')) {
        MessagePlugin.info(
          '可二次编辑但转换存在损失，若作为图片使用，请使用右侧属性面板的上传图片功能'
        );
        openSvg(elem.files[0]);
      } else if (elem.files[0].name.endsWith('.zip')) {
        router.push({
          path: '/',
          query: {
            r: Date.now() + '',
          },
        });
        setTimeout(() => {
          openZip(elem.files[0]);
        }, 500);
      } else {
        MessagePlugin.info('打开文件只支持 json，svg，zip 格式');
      }
    }
  };
  input.click();
}

const openJson = async (file: File) => {
  const text = await readFile(file);
  try {
    let data: Meta2dBackData = JSON.parse(text);
    if (!data.name) {
      data.name = file.name.replace('.json', '');
    }
    if (!data.version || compareVersion(data.version, baseVer) === -1) {
      // 如果版本号不存在或者版本号 version < 1.0.0
      data = upgrade(data, baseVer);
    }
    dealwithFormatbeforeOpen(data);
    for (const k of delAttrs) {
      delete (data as any)[k];
    }
    meta2d.open(data);
  } catch (e) {
    console.log(e);
  }
};

const openSvg = async (file: File) => {
  const text = await readFile(file);
  const pens: Pen[] = parseSvg(text);
  meta2d.canvas.addCaches = pens;
  MessagePlugin.info('svg转换成功，请点击画布决定放置位置');
};

const openZip = async (file: File) => {
  if (!(user && user.id)) {
    MessagePlugin.warning(noLoginTip);
    return;
  }

  if (!user.isVip) {
    gotoAccount();
    return;
  }

  const { default: JSZip } = await import('jszip');
  const zip = new JSZip();
  await zip.loadAsync(file);

  let dataStr = '';
  for (const key in zip.files) {
    if (zip.files[key].dir) {
      continue;
    }
    if (key.endsWith('.json')) {
      // 认为只有一个 json 文件
      // dataStr = await zip.file(key).async('string');
      break;
    }
  }

  if (!dataStr) {
    return false;
  }

  for (const key in zip.files) {
    if (zip.files[key].dir) {
      continue;
    }
    // let _png = key.indexOf('/png');
    // let _img = key.indexOf('/img');
    // let _image = key.indexOf('/image');
    // let _file = key.indexOf('/file');
    let _keyLower = key.toLowerCase();
    // if (!key.endsWith('.json') && (_png !== -1 || _img !== -1 || _image !== -1 || _file !== -1)) {
    if (
      _keyLower.endsWith('.png') ||
      _keyLower.endsWith('.svg') ||
      _keyLower.endsWith('.gif') ||
      _keyLower.endsWith('.jpg') ||
      _keyLower.endsWith('.jpeg')
    ) {
      let filename = key.substr(key.lastIndexOf('/') + 1);
      const extPos = filename.lastIndexOf('.');
      let ext = '';
      if (extPos > 0) {
        ext = filename.substr(extPos);
      }
      filename = filename.substring(0, extPos > 8 ? 8 : extPos);

      // 上传文件
      const result: any = {};
      //   await upload(
      //   // await zip.file(key).async('blob'),
      //   true,
      //   filename + ext,
      //   "/2D/未分类"
      // );
      let _key = key;
      // if (_png) {
      //   _key = key.substring(_png);
      // } else if (_image) {
      //   _key = key.substring(_png);
      // } else if (_img) {
      //   _key = key.substring(_img);
      // } else if (_file) {
      //   _key = key.substring(_file);
      // }
      if (result) {
        if (dataStr.replaceAll) {
          //'le5le.meta2d'
          dataStr = dataStr.replaceAll(_key.slice(12), result.url);
        } else {
          while (dataStr.includes(_key)) {
            dataStr = dataStr.replace(_key.slice(12), result.url);
            // 正则 gm 在特殊情况下报错，例如如下场景
            /**
                 *    
      const data = '{"image":"/image/materials/IoT-Chemical(化学)/Air stripper 2(汽提塔2).svg"}';
      const key = '/image/materials/IoT-Chemical(化学)/Air stripper 2(汽提塔2).svg';
      data.replace(key, '123');
      data.replaceAll(key, '123')
      data.replace(new RegExp(key, 'gm'), '123');
      data.replace(new RegExp(key, 'g'), '123');
                 */
          }
        }
      }
    }
  }

  try {
    let data: Meta2dBackData = JSON.parse(dataStr);
    if (data) {
      if (!data.name) {
        data.name = file.name.replace('.zip', '');
      }
      if (!data.version || compareVersion(data.version, baseVer) === -1) {
        // 如果版本号不存在或者版本号 version < 1.0.0
        data = upgrade(data, baseVer);
      }
      dealwithFormatbeforeOpen(data);
      const delAttrs = [
        'userId',
        'shared',
        'team',
        'owner',
        'username',
        'editor',
        'editorId',
        'editorName',
        'createdAt',
        'folder',
        'image',
        'id',
        '_id',
        'view',
        'updatedAt',
        'star',
        'recommend',
      ];
      for (const k of delAttrs) {
        delete (data as any)[k];
      }
      meta2d.open(data);
    }
  } catch (e) {
    return false;
  }
};

const downloadJson = () => {
  const data: Meta2dBackData = meta2d.data();
  if (data._id) delete data._id;
  checkData(data);
  import('file-saver').then(({ saveAs }) => {
    saveAs(
      new Blob(
        [JSON.stringify(data).replaceAll(cdn, '').replaceAll(upCdn, '')],
        {
          type: 'text/plain;charset=utf-8',
        }
      ),
      `${data.name || 'le5le.meta2d'}.json`
    );
  });
};

const downloadZip = async () => {
  if (!(user && user.id)) {
    MessagePlugin.warning(noLoginTip);
    return;
  }

  if (!user.isVip) {
    gotoAccount();
    return;
  }

  MessagePlugin.info('正在下载打包中，可能需要几分钟，请耐心等待...');
  const [{ default: JSZip }, { saveAs }] = await Promise.all([
    import('jszip'),
    import('file-saver'),
  ]);

  const zip: any = new JSZip();
  const data: Meta2dBackData = meta2d.data();
  let _fileName =
    (data.name && data.name.replace(/\//g, '_').replace(/:/g, '_')) ||
    'le5le.meta2d';
  const _zip = zip.folder(`${_fileName}`);
  if (data._id) delete data._id;
  checkData(data);
  _zip.file(
    `${_fileName}.json`,
    JSON.stringify(data).replaceAll(cdn, '').replaceAll(upCdn, '')
  );
  await zipImages(_zip, meta2d.store.data.pens);

  const blob = await zip.generateAsync({ type: 'blob' });
  saveAs(blob, `${_fileName}.zip`);
};

const downloadHtml = async () => {
  if (!(user && user.id)) {
    MessagePlugin.warning(noLoginTip);
    return;
  }

  if (!user.isVip) {
    gotoAccount();
    return;
  }

  MessagePlugin.info('正在下载打包中，可能需要几分钟，请耐心等待...');

  const data: Meta2dBackData = meta2d.data();
  if (data._id) delete data._id;
  checkData(data);
  const [{ default: JSZip }, { saveAs }] = await Promise.all([
    import('jszip'),
    import('file-saver'),
  ]);
  const zip = new JSZip();
  let _fileName =
    (data.name && data.name.replace(/\//g, '_').replace(/:/g, '_')) ||
    'le5le.meta2d';

  //处理cdn图片地址
  const _zip: any = zip.folder(`${_fileName}`);
  _zip.file(
    'data.json',
    JSON.stringify(data).replaceAll(cdn, '').replaceAll(upCdn, '')
  );
  await Promise.all([zipImages(_zip, meta2d.store.data.pens), zipFiles(_zip)]);
  const blob = await zip.generateAsync({ type: 'blob' });
  saveAs(blob, `${_fileName}.zip`);
};

enum Frame {
  vue2,
  vue3,
  react,
}

const downloadVue3 = async () => {
  downloadAsFrame(Frame.vue3);
};

const downloadVue2 = async () => {
  downloadAsFrame(Frame.vue2);
};

const downloadReact = async () => {
  downloadAsFrame(Frame.react);
};

async function downloadAsFrame(type: Frame) {
  if (!(user && user.id)) {
    MessagePlugin.warning(noLoginTip);
    return;
  }

  if (!user.isVip) {
    gotoAccount();
    return;
  }

  MessagePlugin.info('正在下载打包中，可能需要几分钟，请耐心等待...');

  const data: Meta2dBackData = meta2d.data();
  if (data._id) delete data._id;
  checkData(data);
  const [{ default: JSZip }, { saveAs }] = await Promise.all([
    import('jszip'),
    import('file-saver'),
  ]);
  const zip = new JSZip();
  let _fileName =
    (data.name && data.name.replace(/\//g, '_').replace(/:/g, '_')) ||
    'le5le.meta2d';
  const _zip: any = zip.folder(`${_fileName}`);
  _zip.file(
    'data.json',
    JSON.stringify(data).replaceAll(cdn, '').replaceAll(upCdn, '')
  );
  await Promise.all([
    zipImages(_zip, meta2d.store.data.pens),
    type === Frame.vue3
      ? zipVue3Files(_zip)
      : type === Frame.vue2
      ? zipVue2Files(_zip)
      : zipReactFiles(_zip),
  ]);
  const blob = await zip.generateAsync({ type: 'blob' });
  saveAs(blob, `${_fileName}.zip`);
}

async function zipVue3Files(zip: JSZip) {
  const files = [
    '/view/js/marked.min.js',
    '/view/js/lcjs.iife.js',
    '/view/vue3/Meta2d.vue',
    '/view/index.html',
    '/view/js/meta2d.js',
    '/view/使用说明.md',
  ] as const;
  // 文件同时加载
  await Promise.all(files.map((filePath) => zipFile(zip, filePath)));
}

async function zipVue2Files(zip: JSZip) {
  const files = [
    '/view/js/marked.min.js',
    '/view/js/lcjs.iife.js',
    '/view/vue2/Meta2d.vue',
    '/view/index.html',
    '/view/js/meta2d.js',
    '/view/使用说明.md',
  ] as const;
  // 文件同时加载
  await Promise.all(files.map((filePath) => zipFile(zip, filePath)));
}

async function zipReactFiles(zip: JSZip) {
  const files = [
    '/view/js/marked.min.js',
    '/view/js/lcjs.iife.js',
    '/view/react/Meta2d.jsx',
    '/view/react/Meta2d.css',
    '/view/index.html',
    '/view/js/meta2d.js',
    '/view/使用说明.md',
  ] as const;
  // 文件同时加载
  await Promise.all(files.map((filePath) => zipFile(zip, filePath)));
}

async function zipFiles(zip: JSZip) {
  const files = [
    '/view/js/marked.min.js',
    '/view/js/lcjs.iife.js',
    '/view/js/index.js',
    '/view/js/meta2d.js',
    '/view/index.html',
    '/view/index.css',
    '/view/favicon.ico',
    '/view/使用说明.pdf',
  ] as const;
  // 文件同时加载
  await Promise.all(files.map((filePath) => zipFile(zip, filePath)));
}

async function zipFile(zip: JSZip, filePath: string) {
  const res: Blob = await axios.get((cdn ? cdn + '/2d' : '') + filePath, {
    responseType: 'blob',
  });
  zip.file(filePath.replace('/view', ''), res, { createFolders: true });
}

/**
 * 图片放到 zip 里
 * @param pens 可以是非具有 calculative 的 pen
 */
async function zipImages(zip: JSZip, pens: Pen[]) {
  if (!pens) {
    return;
  }

  // 不止 image 上有图片， strokeImage ，backgroundImage 也有图片
  const imageKeys = [
    {
      string: 'image',
    },
    { string: 'strokeImage' },
    { string: 'backgroundImage' },
  ] as const;
  const images: string[] = [];
  for (const pen of pens) {
    for (const i of imageKeys) {
      const image = pen[i.string];
      if (image) {
        // HTMLImageElement 无法精确控制图片格式
        if (
          image.startsWith('/') ||
          image.startsWith(cdn) ||
          image.startsWith(upCdn)
        ) {
          // 只考虑相对路径下的 image ，绝对路径图片无需下载
          if (!images.includes(image)) {
            images.push(image);
          }
        }
      }
    }
    // 无需递归遍历子节点，现在所有的节点都在外层
  }
  await Promise.all(images.map((image) => zipImage(zip, image)));
}

async function zipImage(zip: JSZip, image: string) {
  const res: Blob = await axios.get(image, {
    responseType: 'blob',
    params: {
      isZip: true,
    },
  });
  zip.file(cdn ? image.replace(cdn, '').replace(upCdn, '') : image, res, {
    createFolders: true,
  });
}

const downloadImageTips =
  '无法下载，宽度不合法，画布可能没有画笔/画布大小超出浏览器最大限制';

const downloadPng = () => {
  const name = (meta2d.store.data as Meta2dBackData).name;
  try {
    meta2d.downloadPng(name ? name + '.png' : undefined);
  } catch (e) {
    MessagePlugin.warning(downloadImageTips);
  }
};

async function getIconDefs(url: string) {
  let res: any = await axios.get(url);
  let str = res.match(/@font-face([\s\S]*?)\}/)[1];
  str = `@font-face ${str} }`;
  return str;
}

const downloadSvg = async () => {
  await import('@/assets/canvas2svg');
  if (!C2S) {
    MessagePlugin.error('请先加载乐吾乐官网下的canvas2svg.js');
    return;
  }

  const rect: any = meta2d.getRect();
  if (!isFinite(rect.width)) {
    MessagePlugin.error(downloadImageTips);
    return;
  }
  rect.x -= 10;
  rect.y -= 10;
  const ctx = new C2S(rect.width + 20, rect.height + 20);
  ctx.textBaseline = 'middle';
  ctx.strokeStyle = getGlobalColor(meta2d.store);
  for (const pen of meta2d.store.data.pens) {
    // 不使用 calculative.inView 的原因是，如果 pen 在 view 之外，那么它的 calculative.inView 为 false，但是它的绘制还是需要的
    if (!isShowChild(pen, meta2d.store) || pen.visible == false) {
      continue;
    }
    meta2d.renderPenRaw(ctx, pen, rect);
  }

  let mySerializedSVG = ctx.getSerializedSvg();
  let icon_pens = meta2d.store.data.pens.filter(
    (item) => item.iconFamily && item.icon
  );
  if (icon_pens && icon_pens.length > 0) {
    let iconList = [
      '/icon/国家电网/iconfont.css',
      '/icon/电气工程/iconfont.css',
      '/icon/通用图标/iconfont.css',
    ];
    let defsList: any = await Promise.all(
      iconList.map((item) => getIconDefs(item))
    );
    mySerializedSVG = mySerializedSVG.replace(
      '<defs/>',
      `<defs>
    <style type="text/css">
${defsList.join('\n')}
</style>
{{bk}}
  </defs>
{{bkRect}}`
    );
  }
  /*  mySerializedSVG = mySerializedSVG.replace(
        '<defs/>',
        `<defs>
    <style type="text/css">
  @font-face {
    font-family: 'ticon';
    src: url('icon/通用图标/iconfont.ttf') format('truetype');
  }
</style>
{{bk}}
  </defs>
{{bkRect}}`
      );
*/
  if (meta2d.store.data.background) {
    mySerializedSVG = mySerializedSVG.replace('{{bk}}', '');
    mySerializedSVG = mySerializedSVG.replace(
      '{{bkRect}}',
      `<rect x="0" y="0" width="100%" height="100%" fill="${meta2d.store.data.background}"></rect>`
    );
  } else {
    mySerializedSVG = mySerializedSVG.replace('{{bk}}', '');
    mySerializedSVG = mySerializedSVG.replace('{{bkRect}}', '');
  }

  mySerializedSVG = mySerializedSVG.replace(/--le5le--/g, '&#x');

  const urlObject: any = (window as any).URL || window;
  const export_blob = new Blob([mySerializedSVG]);
  const url = urlObject.createObjectURL(export_blob);

  const a = document.createElement('a');
  a.setAttribute(
    'download',
    `${(meta2d.store.data as Meta2dBackData).name || 'le5le.meta2d'}.svg`
  );
  a.setAttribute('href', url);
  const evt = document.createEvent('MouseEvents');
  evt.initEvent('click', true, true);
  a.dispatchEvent(evt);
};

const onUndo = () => {
  meta2d.undo();
};

const onRedo = () => {
  meta2d.redo();
};

const onCut = () => {
  meta2d.cut();
};

const onCopy = () => {
  meta2d.copy();
};

const onPaste = () => {
  meta2d.paste();
};

const onAll = () => {
  meta2d.activeAll();
};

const onDelete = () => {
  meta2d.delete();
};

const onToggleAnchor = () => {
  //取消连线状态
  // meta2d.store.options.disableAnchor = false;
  if (!meta2d.store.options.disableAnchor) {
    meta2d.canvas.drawingLineName && drawPen();
    meta2d.toggleAnchorMode();
  }
};

const onAddAnchorHand = () => {
  meta2d.addAnchorHand();
};

const onRemoveAnchorHand = () => {
  meta2d.removeAnchorHand();
};

const onToggleAnchorHand = () => {
  meta2d.toggleAnchorHand();
};

const onScaleUp = () => {
  const _scale = meta2d.store.data.scale + 0.1;
  meta2d.scale(_scale);
};

const onScaleDown = () => {
  const _scale = meta2d.store.data.scale - 0.1;
  meta2d.scale(_scale);
};

const autoAnchor = ref(true);
const onAutoAnchor = () => {
  meta2d.store.options.autoAnchor = !meta2d.store.options.autoAnchor;
  autoAnchor.value = meta2d.store.options.autoAnchor;
};

const showAnchor = ref(false);
const onDisableAnchor = () => {
  meta2d.store.options.disableAnchor = !meta2d.store.options.disableAnchor;
  changeDisableAnchor();
};

const changeDisableAnchor = () => {
  const { disableAnchor, autoAnchor } = meta2d.store.options;
  showAnchor.value = !disableAnchor || false;
  if (disableAnchor && autoAnchor) {
    // 禁用瞄点开了，需要关闭自动瞄点
    onAutoAnchor();
  }
};
</script>
<style lang="postcss" scoped>
.app-header {
  display: flex;
  height: 40px;

  .logo {
    display: flex;
    padding: 0 16px;
    align-items: center;
    font-size: 14px;
    font-weight: 500;

    img {
      height: 20px;
      margin-right: 6px;
    }
  }

  a {
    display: flex;
    padding: 0 8px;
    margin: 0 8px;
    align-items: center;
    color: var(--color);
    text-decoration: none;

    &:hover {
      color: var(--color-primary);
    }
  }

  input {
    font-size: var(--font-size);
    flex-grow: 1;
    background: none;
    outline: none;
    border: none;
    text-align: center;
    color: var(--color-title);
  }
}
</style>