question about diagram node using HTML type

Question

Hi,I am using the diagram with HTML node type,when call loadDiagram method, it will error.   2. The below image I am using in html type is a font awesome, how to make the font size follow the parent size when resizing?

Aravind Ravi · Answer

Hi Lorryl,Please find the response for queries in below table

when call loadDiagram method, it will error.

We are unable to reproduce the reported issue at our end.
  When we tried to save the diagram and call loadDiagram method, the diagram
  has been loaded properly. For more information about how to use save and load
  diagram, please refer to below UG link
   
  UG Link: https://ej2.syncfusion.com/angular/documentation/diagram/serialization/

The below image I am using in html type is a font awesome,
  how to make the font size follow the parent size when resizing?

Whenever we resize any node in the diagram, sizeChange
  event gets triggered. In that event get the text element from DOM and change
  its fontSize as per your requirement. We have created a simple sample to
  change the fontsize of text element. Please refer to below code snippet and
  sample

public sizeChange(args: ISizeChangeEventArgs) {
        if (args.state
    === 'Completed') {
          var node =
    args.source.nodes[0];
          var element
    = document.getElementById(node.id + '_text');
         
    element.style.fontSize = node.width / 6 + 'px';
        }
      }

Sample: https://stackblitz.com/edit/angular-j8lscz?file=app.component.ts

RegardsAravind Ravi