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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/08/03 03:54:48 UTC
[GitHub] bxsw opened a new issue #8803: 保存图片错误
bxsw opened a new issue #8803: 保存图片错误
URL: https://github.com/apache/incubator-echarts/issues/8803
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### One-line summary [问题简述]
图表中symbol配置项用到以URL方式提供的资源时，保存为图片时报错
Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported.
at Gr.OI.getDataURL (/js/echarts.min.js:22:328007)
at Gr.OI.getConnectedDataURL (/js/echarts.min.js:22:328707)
at Aa.getConnectedDataURL (/js/echarts.min.js:22:2321)
at Qy.onclick (/js/echarts.min.js:22:680232)
at In.<anonymous> (/js/echarts.min.js:22:2321)
at In.trigger (/js/echarts.min.js:22:226239)
at L_.dispatchToElement (/js/echarts.min.js:22:228282)
at L_.(anonymous function) [as click] (/js/echarts.min.js:22:229119)
at xi.trigger (/js/echarts.min.js:22:226239)
at xi.Uw.(anonymous function) (/js/echarts.min.js:22:269341)
### Version & Environment [版本及环境]
+ ECharts version [ECharts 版本]:
+ Browser version [浏览器类型和版本]:
+ OS Version [操作系统类型和版本]:
ECharts 4.1
Chrome 67.0.3396.99
Windows 10
### Expected behaviour [期望结果]
### ECharts option [ECharts配置项]
<!-- Copy and paste your 'echarts option' here. -->
<!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
```javascript
option = {
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'none'
},
formatter: function (params) {
return params[0].name + ': ' + params[0].value;
}
},
toolbox:{
feature:{
saveAsImage:{}
}
},
xAxis: {
data: ['驯鹿', '火箭', '飞机', '高铁', '轮船', '汽车', '跑步', '步行', ],
axisTick: {show: false},
axisLine: {show: false},
axisLabel: {
textStyle: {
color: '#e54035'
}
}
},
yAxis: {
splitLine: {show: false},
axisTick: {show: false},
axisLine: {show: false},
axisLabel: {show: false}
},
color: ['#e54035'],
series: [{
name: 'hill',
type: 'pictorialBar',
barCategoryGap: '-130%',
symbol: 'image://http://imgsrc.baidu.com/forum/pic/item/a985b831ddbf294442a75bbd.jpg',
itemStyle: {
normal: {
opacity: 0.5
},
emphasis: {
opacity: 1
}
},
data: [123, 60, 25, 18, 12, 9, 2, 1],
z: 10
}, {
name: 'glyph',
type: 'pictorialBar',
barGap: '-100%',
symbolPosition: 'end',
symbolSize: 50,
symbolOffset: [0, '-120%'],
data: [{
value: 123,
symbolSize: [60, 60]
}, {
value: 60,
symbolSize: [50, 60]
}, {
value: 25,
symbolSize: [65, 35]
}, {
value: 18,
symbolSize: [50, 30]
}, {
value: 12,
symbolSize: [50, 35]
}, {
value: 9,
symbolSize: [40, 30]
}, {
value: 2,
symbolSize: [40, 50]
}, {
value: 1,
symbolSize: [40, 50]
}]
}]
};
```
### Other comments [其他信息]
<!-- For example: Screenshot or Online demo -->
<!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
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