code: func (imd *IMDraw) Reset() {
  	imd.points = imd.points[:0]
  	imd.Color = pixel.Alpha(1)
  	imd.Picture = pixel.ZV
  	imd.Intensity = 0
  	imd.Precision = 64
  	imd.EndShape = NoEndShape
  }
docs: // Reset restores all point properties to defaults and removes all Pushed points.
  //
  // This does not affect matrix and color mask set by SetMatrix and SetColorMask.