我已经扩展了jEditorPane以包含并显示内存中的bufferedimage，但它没有正确绘制。我究竟做错了什么？

I have extended jEditorPane as shown below (minus the instantiation code). However, when I set the image and call update on the object, it only draws a small portion of the image (equivalent to where one line of text would go). Can somene tell me what I am doing wrong here?I have extended jEditorPane as shown below (min