 module.exports = class Layer extends Module
   @includes require('./layer/position_channels.coffee')
   @includes require('./layer/blend_modes.coffee')
+  @includes require('./layer/mask.coffee')
   # @includes require('./layer/blending_ranges.coffee')
   # @includes require('./layer/channel_image.coffee')
 

    extraLen = @file.readInt()
    @layerEnd = @file.tell() + extraLen

    @file.seek @layerEnd
    return @


    height: @height
    opacity: @opacity
    visible: @visible
    clipped: @clipped
    mask: @mask.export()