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.
*/
var env = require("zrender/lib/core/env");
var lang = require("../../../lang");
var featureManager = require("../featureManager");
/*
* 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.
*/
/* global Uint8Array */
var saveAsImageLang = lang.toolbox.saveAsImage;
function SaveAsImage(model) {
this.model = model;
}
SaveAsImage.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: saveAsImageLang.title,
type: 'png',
// Default use option.backgroundColor
// backgroundColor: '#fff',
name: '',
excludeComponents: ['toolbox'],
pixelRatio: 1,
lang: saveAsImageLang.lang.slice()
};
SaveAsImage.prototype.unusable = !env.canvasSupported;
var proto = SaveAsImage.prototype;
proto.onclick = function (ecModel, api) {
var model = this.model;
var title = model.get('name') || ecModel.get('title.0.text') || 'echarts';
var $a = document.createElement('a');
var type = model.get('type', true) || 'png';
$a.download = title + '.' + type;
$a.target = '_blank';
var url = api.getConnectedDataURL({
type: type,
backgroundColor: model.get('backgroundColor', true) || ecModel.get('backgroundColor') || '#fff',
excludeComponents: model.get('excludeComponents'),
pixelRatio: model.get('pixelRatio')
});
$a.href = url; // Chrome and Firefox
if (typeof MouseEvent === 'function' && !env.browser.ie && !env.browser.edge) {
var evt = new MouseEvent('click', {
view: window,
bubbles: true,
cancelable: false
});
$a.dispatchEvent(evt);
} // IE
else {
if (window.navigator.msSaveOrOpenBlob) {
var bstr = atob(url.split(',')[1]);
var n = bstr.length;
var u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
var blob = new Blob([u8arr]);
window.navigator.msSaveOrOpenBlob(blob, title + '.' + type);
} 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);
}
}
};
featureManager.register('saveAsImage', SaveAsImage);
var _default = SaveAsImage;
module.exports = _default;