如何将SVG xml转换为BPMN2.0 xml

How do i convert this sample SVG to BPMN xml? 

<svg height="100%" width="100%" version="1.1" xmlns="http://www.w3.org/2000/svg"><desc>Created with Raphaël</desc> 
    <defs></defs> 
    <circle stroke-width="5" font-size="91px" style="font-size: 91px;" stroke="#000000" fill="#00ff00" r="20" cy="88" cx="107"></circle> 
    <circle stroke-width="5" font-size="92px" style="font-size: 92px;" stroke="#000000" fill="#ff0000" r="20" cy="88" cx="271"></circle> 
    <path stroke-width="5" d="M128,88C189,88,189,88,250,88" stroke="#ffffff" fill="none"></path> 
    <path d="M128,88C189,88,189,88,250,88" stroke="#000000" fill="none"></path> 
    </svg>

来源

2011-04-13 Alan