--
-- File:    V3d_ColorScaleLayerItem.cdl
-- Created: March 20 2009
-- Author:  ABD
--

private class ColorScaleLayerItem from V3d inherits LayerItem from Visual3d

    ---Version:

    ---Purpose: This class is drawable unit of ColorScale of 2d scene
    ---Keywords:
    ---Warning:
    ---References:

uses
    ColorScale from V3d
is
    -------------------------
    -- Category: Constructors
    -------------------------

    Create ( aColorScale: ColorScale from V3d )
            returns ColorScaleLayerItem;
    ---Level: Public
    ---Purpose: Creates a layer item
    ---Category: Constructors

    ---------------------------------------------------
    -- Category: Methods to modify the class definition
    ---------------------------------------------------
    
    ComputeLayerPrs( me : mutable )
            is redefined;   
    ---Level: Public
    ---Purpose: virtual function for recompute 2D
    --        presentation (empty by default)

    RedrawLayerPrs( me : mutable )
        is redefined;
    ---Level: Public
    ---Purpose: virtual function for recompute 2D
    --        presentation (empty by default)

fields
    MyColorScale     : ColorScale from V3d;

end ColorScaleLayerItem from V3d;