[GitHub] [echarts] fuchunhui opened a new issue #16749: [Bug] treemap.data.itemStyle.colorAlpha is not work, when color has value.

Fri, 25 Mar 2022 05:10:05 -0700 


fuchunhui opened a new issue #16749:
URL: https://github.com/apache/echarts/issues/16749


   ### Version
   
   5.3.1
   
   ### Link to Minimal Reproduction
   
   https://stackblitz.com/edit/js-xudcjr?file=index.js
   
   ### Steps to Reproduce
   
   use link or copy the following content.
   ```
   option = {
     series: [
       {
         type: 'treemap',
         label: {
           color: 'black',
         },
         data: [
           {
             name: 'nodeA',
             value: 10,
             color: ['red', 'pink'],
             children: [
               {
                 name: 'nodeAa',
                 value: 4,
                 itemStyle: {
                   color: 'cyan',
                   colorAlpha: 0.3, // not work
                 },
               },
               {
                 name: 'nodeAb',
                 value: 6,
                 itemStyle: {
                   color: 'rgba(0, 255, 255, 0.3)', // this is right
                 },
               },
             ],
           },
           {
             name: 'nodeB',
             value: 20,
             children: [
               {
                 name: 'nodeBa',
                 value: 20,
                 children: [
                   {
                     name: 'nodeBa1',
                     value: 20,
                   },
                 ],
               },
             ],
           },
         ],
       },
     ],
   };
   ```
   
   ### Current Behavior
   
   
![image](https://user-images.githubusercontent.com/29879262/160117047-cc94f3d8-cf9a-4f3f-8ee9-c1446d0b0df0.png)
   `nodeAa` and `nodeAb` are different color.
   
   ### Expected Behavior
   
   
![image](https://user-images.githubusercontent.com/29879262/160117518-7ade5429-afc4-444a-a3fa-ce4aebc9177d.png)
   the two are same color.
   
   ### Environment
   
   ```markdown
   - OS: macOS Catalina
   - Browser: Chrome 99.0.4844.83
   - Framework:
   ```
   
   
   ### Any additional comments?
   
   
[style.ts#L159](https://github.com/apache/echarts/blob/d3dbf1215a0ae0c5075efffb10b17fe4de37582c/src/visual/style.ts#L159)
   
   maybe it's here.


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