src/Visual3d/Visual3d_LayerItem.cdl


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--
-- File:    Visual3d_LayerItem.cdl
-- Created: March 20 2009
-- Author:  ABD
--

class LayerItem from Visual3d inherits TShared from MMgt

    ---Version:

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

uses
    Boolean from Standard
is
    -------------------------
    -- Category: Constructors
    -------------------------

    Create returns LayerItem;
    ---Level: Public
    ---Purpose: Creates a layer item
    ---Category: Constructors

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

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

        IsNeedToRecompute(me)
        returns Boolean from Standard;
    ---Level: Public
        
        SetNeedToRecompute( me                 : mutable;
                            NeedToRecompute    : Boolean from Standard = Standard_True );
    ---Level: Public

fields

    MyIsNeedToRecompute : Boolean from Standard;
    
end Layer from Visual3d;