<view class="autograph-container" style="width: {{ width }}; height: {{ height }};">
  <canvas id="canvas" class="autograph-canvas" type="2d" disable-scroll style="width: 100%; height: 100%;" bindtouchstart="handleTouchStart" bindtouchmove="handleTouchMove" bindtouchend="handleTouchEnd" bindtouchcancel="handleTouchEnd" binderror="handleTouchEnd"></canvas>
</view>
