namespace JSRender:Primitives:
  class AbstractElement
    render: abstract

    element: (ctx, cb) ->
      stroke  = ctx.strokeStyle
      fill    = ctx.fillStyle
      ctx.beginPath()
      cb(ctx)
      ctx.closePath()
      ctx.strokeStyle = stroke
      ctx.fillStyle   = fill

    before: (render) ->
      render.before (c) => @render(c)
      @

    after: (render) ->
      render.after (c)  => @render(c)
      @






namespace JSRender:Primitives:
  class HLine extends JSRender.Primitives.AbstractElement
    constructor: (opt = {})->
      @x      = watch opt.x       || 0
      @y      = watch opt.y       || 0
      @width  = watch opt.width   || 0
      @color  = watch opt.color   || false
      @size   = watch opt.size    || 1

    render: (ctx) ->
      @element ctx, =>
        if @color() isnt false
          ctx.moveTo @x(), @y()
          ctx.lineTo @x() + @width(), @y()
          ctx.strokeStyle = @color()
          ctx.lineWidth   = @size()
          ctx.stroke()