code: function (el, spriteWidth, spriteHeight) {
          // TODO, inner text, shadow
          var rect = el.getBoundingRect();
  
          var scaleX = spriteWidth / rect.width;
          var scaleY = spriteHeight / rect.height;
          el.position = [-rect.x * scaleX, -rect.y * scaleY];
          el.scale = [scaleX, scaleY];
          el.update();
      }
docs: Fit element size by correct its position and scaling
  @param {module:zrender/graphic/Displayable} el
  @param {number} spriteWidth
  @param {number} spriteHeight