<view style='position: relative;{{customStyle}};{{painterStyle}}'>
  <block wx:if="{{!use2D}}">
    <canvas canvas-id="photo" style="position: absolute; left: -9999px; top: -9999rpx;{{photoStyle}}" />
    <canvas canvas-id="bottom" style="position: absolute;{{painterStyle}}" />
    <canvas canvas-id="k-canvas" style="position: absolute;{{painterStyle}}" />
    <canvas canvas-id="top" style="position: absolute;{{painterStyle}}" />
    <canvas canvas-id="front" style="position: absolute;{{painterStyle}}" bindtouchstart="onTouchStart" bindtouchmove="onTouchMove" bindtouchend="onTouchEnd" bindtouchcancel="onTouchCancel" disable-scroll="{{true}}" />
  </block>
  <block wx:if="{{use2D}}">
    <canvas type="2d" id="photo" style="{{photoStyle}}" />
    <!-- <canvas type="2d" id="bottom" style="{{painterStyle}};position: absolute;" />
    <canvas type="2d" id="k-canvas" style="{{painterStyle}};position: absolute;" />
    <canvas type="2d" id="top" style="{{painterStyle}};position: absolute;" />
    <canvas 
      type="2d"
      id="front" 
      style="{{painterStyle}};position: absolute;"
      bindtouchstart="onTouchStart"
      bindtouchmove="onTouchMove"
      bindtouchend="onTouchEnd"
      bindtouchcancel="onTouchCancel"
      disable-scroll="{{true}}" /> -->
  </block>
</view>