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-- File: DBRep_HideData.cdl
-- Created: Thu Sep 21 18:02:09 1995
-- Author: Remi LEQUETTE
-- <rle@mentox>
---Copyright: Matra Datavision 1995
class HideData from DBRep
---Purpose: This class stores all the informations concerning
-- hidden lines on a view.
--
-- * View number
-- * Matrix of projection
-- * Type of projection, focal
-- * Arrays of 3d points
--
-- A drawable shape contains a list of such objects
-- to store the hidden lines for each view. The
-- IsSame method is used to check if hidden lines
-- must be recompiled.
uses
Trsf from gp,
Display from Draw,
Color from Draw,
Shape from TopoDS,
ListOfBPoint from HLRBRep
is
Create returns HideData from DBRep;
Set (me : in out;
ViewId : Integer from Standard;
TProj : Trsf from gp;
Focal : Real from Standard;
S : Shape from TopoDS;
ang : Real from Standard);
---Purpose: ViewId is the view number
-- TProj the projection
-- Focal <= 0 means parallel projection
-- Alg : the hidden lines
ViewId(me) returns Integer from Standard;
---C++: inline
Angle(me) returns Real from Standard;
---C++: inline
IsSame(me; TProj : Trsf from gp; Focla : Real) returns Boolean;
---Purpose: Returns True if the projection is the same
DrawOn(me :in out;
D : in out Display from Draw;
withRg1,withRgN,withHid : Boolean from Standard;
VisCol, HidCol : Color from Draw);
LastPick(me) returns Shape from TopoDS;
---Purpose: Returns the subshape touched by the last pick.
---C++: return const &
fields
myView : Integer from Standard;
myTrsf : Trsf from gp;
myFocal : Real from Standard;
myBiPntVis : ListOfBPoint from HLRBRep;
myBiPntHid : ListOfBPoint from HLRBRep;
myPickShap : Shape from TopoDS;
myAngle : Real from Standard;
end HideData;
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