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1 | -- Created on: 1995-01-31 |
| 2 | -- Created by: Mister rmi |
| 3 | -- Copyright (c) 1995-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and/or modify it under |
| 9 | -- the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | -- by the Free Software Foundation, with special exception defined in the file |
| 11 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | -- distribution for complete text of the license and disclaimer of any warranty. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | -- commercial license or contractual agreement. |
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16 | |
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17 | --Modified by rob 11-mar-98 : Implement virtual methods from Graphic3d_Structure |
| 18 | -- to optimize HLR Display... |
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19 | |
| 20 | class Prs from PrsMgr inherits Presentation from Prs3d |
| 21 | |
| 22 | uses |
| 23 | Array2OfReal from TColStd, |
| 24 | StructureManager from Graphic3d, |
| 25 | Structure from Graphic3d, |
| 26 | DataStructureManager from Graphic3d, |
| 27 | TypeOfPresentation3d from PrsMgr, |
| 28 | Presentation3dPointer from PrsMgr |
| 29 | |
| 30 | is |
| 31 | Create(aStructureManager : StructureManager from Graphic3d; |
| 32 | aPresentation : Presentation3dPointer from PrsMgr; |
| 33 | aTypeOfPresentation3d : TypeOfPresentation3d from PrsMgr) |
| 34 | returns mutable Prs from PrsMgr; |
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35 | |
| 36 | Compute (me: mutable) |
| 37 | is redefined static; |
| 38 | |
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39 | Compute(me : mutable; aProjector: DataStructureManager from Graphic3d) |
| 40 | returns Structure from Graphic3d |
| 41 | is redefined static; |
| 42 | |
| 43 | Compute ( me : mutable; |
| 44 | aProjector: DataStructureManager from Graphic3d; |
| 45 | AMatrix : Array2OfReal from TColStd ) |
| 46 | returns Structure from Graphic3d is |
| 47 | redefined static; |
| 48 | ---Purpose: the "degenerated" Structure is displayed with |
| 49 | -- a transformation defined by <AMatrix> |
| 50 | -- which is not a Pure Translation. |
| 51 | -- We have to take in account this Transformation |
| 52 | -- in the computation of hidden line removal... |
| 53 | -- returns a filled Graphic Structure. |
| 54 | |
| 55 | |
| 56 | |
| 57 | Compute(me : mutable; |
| 58 | aProjector : DataStructureManager from Graphic3d; |
| 59 | ComputedStruct : in out Structure from Graphic3d) |
| 60 | is redefined static; |
| 61 | ---Purpose: No need to return a structure, just to fill |
| 62 | -- <ComputedStruct> .... |
| 63 | |
| 64 | |
| 65 | Compute ( me : mutable; |
| 66 | aProjector: DataStructureManager from Graphic3d; |
| 67 | AMatrix : Array2OfReal from TColStd ; |
| 68 | aStructure: in out Structure from Graphic3d ) |
| 69 | is redefined static; |
| 70 | ---Purpose: No Need to return a Structure, just to |
| 71 | -- Fill <aStructure>. The Trsf has to be taken in account |
| 72 | -- in the computation (Rotation Part....) |
| 73 | |
| 74 | |
| 75 | |
| 76 | fields |
| 77 | myPresentation3d: Presentation3dPointer from PrsMgr; |
| 78 | end Prs from PrsMgr; |
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