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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/01/20 01:53:06 UTC
[GitHub] [incubator-echarts] yaoguoba opened a new issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
yaoguoba opened a new issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094
### What problem does this feature solve?
1，当图标在隐藏tab下，图片宽度存在问题，虽然现在提供了resize方法设置图片大小，但是在导出图片时，我们并不想改变页面显示的图标大小，保留100%。
2，如果打开动画，隐藏时导出图片会有问题。
能够提供参数来设置图片大小而不影响页面显示，导出时单独渲染图片而不是依赖于页面中的图表？
可以设置开关来提高性能，当图标非隐藏时，可以不单独渲染。
### What does the proposed API look like?
echartsInstance. getDataURL(opts: {
// 导出的格式，可选 png, jpeg
type?: string,
// 导出的图片分辨率比例，默认为 1。
pixelRatio?: number,
// 导出的图片背景色，默认使用 option 里的 backgroundColor
backgroundColor?: string,
// 忽略组件的列表，例如要忽略 toolbox 就是 ['toolbox']
excludeComponents?: Array.<string>,
// 宽度
width?: number | string,
// 高度
height?: number | string,
// 是否重新渲染
reRenderFlag?: boolean
}) => string
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[GitHub] [incubator-echarts] 100pah commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
100pah commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094#issuecomment-580777728
“在图表未能成功渲染时就导出图片” ，并未想到比较简单的办法。
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[GitHub] [incubator-echarts] yaoguoba commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
yaoguoba commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094#issuecomment-576151046
> 你好，没太明白你的需求，能详细描述下需要这样做的背景么？
不是背景，我的页面上有个导出按钮，导出数据的同时要把图表也导出到文件中。
目前我的做法是把图片已Base64形式传回API端，然后生成到文件中。
但是，页面上是分数据视图和图表视图切换的，当数据视图时，也可以执行导出。
此时，图表处于Display: none状态
1、EChart获取不到宽度，所以默认设置为100px。
虽然可以通过resize设置图片大小，但是同时把页面上的图表尺寸改了，我并不想修改。
所以希望能在getDataURL时指定图片大小，跟页面上的图表大小无关。
2、动画未执行，图表内容挤在一起
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[GitHub] [echarts] github-actions[bot] closed issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
github-actions[bot] closed issue #12094:
URL: https://github.com/apache/echarts/issues/12094
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[GitHub] [incubator-echarts] 100pah edited a comment on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
100pah edited a comment on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094#issuecomment-580777728
“在图表未能成功渲染时就导出图片” ，并未想到比较简单的办法。
是否可以试着，在点击导出图片的时候，先将 `display:none` 改为 `visibility:hidden` 令图表渲染。
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[GitHub] [incubator-echarts] deqingli commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
deqingli commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094#issuecomment-576135459
你好，没太明白你的需求，能详细描述下需要这样做的背景么？
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
URL: https://github.com/apache/incubator-echarts/issues/12094#issuecomment-576076164
Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.
In the meanwhile, please make sure that **you have posted enough image to demo your request**. You may also check out the [API](http://echarts.apache.org/api.html) and [chart option](http://echarts.apache.org/option.html) to get the answer.
If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical questions.
If you are interested in the project, you may also subscribe our [mail list](https://echarts.apache.org/en/maillist.html).
Have a nice day! 🍵
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[GitHub] [echarts] github-actions[bot] commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #12094:
URL: https://github.com/apache/echarts/issues/12094#issuecomment-1025230715
This issue has been automatically marked as stale because it did not have recent activity. It will be closed in 7 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this issue.
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[GitHub] [echarts] github-actions[bot] commented on issue #12094: getDataURL 不应该依赖于动画，并且提供参数设置图片大小
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #12094:
URL: https://github.com/apache/echarts/issues/12094#issuecomment-1030914262
This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!
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