fineui是帆软报表和BI产品线所使用的前端框架。
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7 years ago
# complex_canvas
## 复杂的canvas绘图
{% method %}
[source](https://jsfiddle.net/fineui/psozjkgn/)
{% common %}
```javascript
var canvas = BI.createWidget({
type: "bi.complex_canvas",
width: 500,
height: 600
});
canvas.branch(55, 100, 10, 10, 100, 10, 200, 10, {
offset: 20,
strokeStyle: "red",
lineWidth: 2
});
canvas.stroke();
```
{% endmethod %}
## 对外方法
| 名称 | 说明 | 回调参数
| :------ |:------------- | :-----
| branch | 绘制树枝节点| (x0, y0, x1, y1, x2, y2) (以x0, y0为根节点,分支到x1,y1, x2,y2...)|
| stroke | 绘制 | |
---