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

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+
+/*
+* 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 window, Uint8Array, document */
+import env from 'zrender/lib/core/env.js';
+import { ToolboxFeature } from '../featureManager.js';
+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 (typeof MouseEvent === 'function' && (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;