Weixing Zhang
Weixing Zhang
### What problem does this feature solve? 如下，当图表在 iframe 内展示，并且这个 iframe 高度较小时，期望可以优化 tooltip 的效果，比如高度不超过容器高度，同时内部可以自动滚动   ### What does the proposed API look like? NA
参考 echarts 的如下配置： - [showEmptyCircle](https://echarts.apache.org/zh/option.html#series-pie.showEmptyCircle) - [emptyCircleStyle](https://echarts.apache.org/zh/option.html#series-pie.emptyCircleStyle)
### Version lastest ### Link to Minimal Reproduction none ### Steps to Reproduce ```ts const spec = { "type": "common", "color": [ "#00295C", "#2568BD", "#9F9F9F", "#C5C5C5", "#00B0F0", "#4BCFFF", "#C2C2C2", "#D7D7D7"...