project/node_modules/echarts/lib/component/toolbox/feature/SaveAsImage.js

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { __extends } from "tslib";
/* global Uint8Array, document */
import env from 'zrender/lib/core/env.js';
import { ToolboxFeature } from '../featureManager.js';
import { isFunction } from 'zrender/lib/core/util.js';
/* global window, document */
var SaveAsImage = /** @class */function (_super) {
  __extends(SaveAsImage, _super);
  function SaveAsImage() {
    return _super !== null && _super.apply(this, arguments) || this;
  }
  SaveAsImage.prototype.onclick = function (ecModel, api) {
    var model = this.model;
    var title = model.get('name') || ecModel.get('title.0.text') || 'echarts';
    var isSvg = api.getZr().painter.getType() === 'svg';
    var type = isSvg ? 'svg' : model.get('type', true) || 'png';
    var url = api.getConnectedDataURL({
      type: type,
      backgroundColor: model.get('backgroundColor', true) || ecModel.get('backgroundColor') || '#fff',
      connectedBackgroundColor: model.get('connectedBackgroundColor'),
      excludeComponents: model.get('excludeComponents'),
      pixelRatio: model.get('pixelRatio')
    });
    var browser = env.browser;
    // Chrome, Firefox, New Edge
    if (isFunction(MouseEvent) && (browser.newEdge || !browser.ie && !browser.edge)) {
      var $a = document.createElement('a');
      $a.download = title + '.' + type;
      $a.target = '_blank';
      $a.href = url;
      var evt = new MouseEvent('click', {
        // some micro front-end framework， window maybe is a Proxy
        view: document.defaultView,
        bubbles: true,
        cancelable: false
      });
      $a.dispatchEvent(evt);
    }
    // IE or old Edge
    else {
      // @ts-ignore
      if (window.navigator.msSaveOrOpenBlob || isSvg) {
        var parts = url.split(',');
        // data:[<mime type>][;charset=<charset>][;base64],<encoded data>
        var base64Encoded = parts[0].indexOf('base64') > -1;
        var bstr = isSvg
        // should decode the svg data uri first
        ? decodeURIComponent(parts[1]) : parts[1];
        // only `atob` when the data uri is encoded with base64
        // otherwise, like `svg` data uri exported by zrender,
        // there will be an error, for it's not encoded with base64.
        // (just a url-encoded string through `encodeURIComponent`)
        base64Encoded && (bstr = window.atob(bstr));
        var filename = title + '.' + type;
        // @ts-ignore
        if (window.navigator.msSaveOrOpenBlob) {
          var n = bstr.length;
          var u8arr = new Uint8Array(n);
          while (n--) {
            u8arr[n] = bstr.charCodeAt(n);
          }
          var blob = new Blob([u8arr]); // @ts-ignore
          window.navigator.msSaveOrOpenBlob(blob, filename);
        } else {
          var frame = document.createElement('iframe');
          document.body.appendChild(frame);
          var cw = frame.contentWindow;
          var doc = cw.document;
          doc.open('image/svg+xml', 'replace');
          doc.write(bstr);
          doc.close();
          cw.focus();
          doc.execCommand('SaveAs', true, filename);
          document.body.removeChild(frame);
        }
      } else {
        var lang = model.get('lang');
        var html = '' + '<body style="margin:0;">' + '<img src="' + url + '" style="max-width:100%;" title="' + (lang && lang[0] || '') + '" />' + '</body>';
        var tab = window.open();
        tab.document.write(html);
        tab.document.title = title;
      }
    }
  };
  SaveAsImage.getDefaultOption = function (ecModel) {
    var defaultOption = {
      show: true,
      icon: 'M4.7,22.9L29.3,45.5L54.7,23.4M4.6,43.6L4.6,58L53.8,58L53.8,43.6M29.2,45.1L29.2,0',
      title: ecModel.getLocaleModel().get(['toolbox', 'saveAsImage', 'title']),
      type: 'png',
      // Default use option.backgroundColor
      // backgroundColor: '#fff',
      connectedBackgroundColor: '#fff',
      name: '',
      excludeComponents: ['toolbox'],
      // use current pixel ratio of device by default
      // pixelRatio: 1,
      lang: ecModel.getLocaleModel().get(['toolbox', 'saveAsImage', 'lang'])
    };
    return defaultOption;
  };
  return SaveAsImage;
}(ToolboxFeature);
export default SaveAsImage;