[GitHub] [echarts] ayashjorden opened a new issue, #17660: [Feature] When Symbol is SVG, make the area of the symbol clickable, no just the SVG paths

[GitBox]

ayashjorden opened a new issue, #17660:
URL: https://github.com/apache/echarts/issues/17660

   ### What problem does this feature solve?
   
   When Symbol is SVG, only the SVG paths will generate a click event. so the 
User need to be precise in order to click on a node.
   The area between the paths is not clickable.
   <img width="115" alt="image" 
src="https://user-images.githubusercontent.com/4204371/190554294-6848383d-db24-478b-b3f7-e69f917c0623.png";>
   
   For example, when the above SVG is used as a graph node symbol, only the 
black lines that outline the lightbulb are clickable, and the area between them 
does not generate a click event.
   
   ### What does the proposed API look like?
   
   Suggested is to augment the Symbol attributes with `SymbolMask: 'match' | 
'square' | 'none'`, where:
   * `match` will make the whole SVG clickable, tracking the outline shape 
perimeter
   * `square` will create a square clickable area around the shape perimeter
   * `none` (or undefined or not-set) - events will fire only when clicking the 
paths


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