text: import cax from '../../src/index.js'
  const stage = new cax.Stage(260, 200, '#canvasCtn')
  const bitmap = new cax.Bitmap('./wepay-diy.jpg', () => {
      stage.update()
  })
  
  bitmap.x = 130
  bitmap.y = 100
  bitmap.originX = 40
  bitmap.originY = 40
  bitmap.cursor = 'pointer'
  bitmap.on('click', () => {
      alert('微信支付')
  })
  
  bitmap.on('drag',(evt)=>{
      evt.target.x+=evt.dx
      evt.target.y+=evt.dy
  })
  
  
  
  cax.setInterval(()=>{
      stage.update()
  },16)
  
  const clipPath = new cax.Graphics()
  clipPath.x = 40
  clipPath.y = 40
  clipPath.arc(0, 0, 25, 0, Math.PI * 2)
  bitmap.clip(clipPath)
  
  stage.add(bitmap)
  
  let tag = true
  
  document.querySelector('#toggleBtn').addEventListener('click', () => {
      bitmap.clip(tag ? null : clipPath)
      tag =!tag
      stage.update()
  })