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-- File: PrsMgr_PresentationManager.cdl
-- Created: Wed Jan 25 08:45:35 1995
-- Author: Jean-Louis Frenkel
-- <rmi@pernox>
---Copyright: Matra Datavision 1995
deferred class PresentationManager from PrsMgr
inherits TShared from MMgt
---Purpose: This class represents any kind of entity able to collect
-- representations of an object, to show or erase them.
-- Example: StructureManager from Graphic3d
-- View from Graphic2d
uses
Presentation from PrsMgr,
PresentableObject from PrsMgr,
View from Viewer,
ListOfTransient from TColStd
raises
NoSuchObject from Standard
is
Initialize;
Is3D(me) returns Boolean from Standard is deferred;
Display(me: mutable; aPresentableObject: mutable PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Displays the presentation of the object in the given
-- Presentation manager with the given mode.
-- The mode should be enumerated by the object which
-- inherits PresentableObject.
is static;
Erase(me:mutable; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Level: public
---Purpose: erases the presentation of the object in the given
-- Presentation manager with the given mode.
is static;
Clear(me:mutable; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
is virtual;
---Purpose:
-- Clears the presentation of the presentable object
-- aPresentableObject in this framework with the
-- display mode aMode.
Highlight(me: mutable; aPresentableObject: mutable PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Highlights the presentation of the presentable object
-- aPresentableObject in this framework with the display mode aMode.
is static;
Unhighlight(me:mutable; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Removes highlighting from the presentation of the
-- presentable object aPresentableObject in this
-- framework with the display mode aMode.
is static;
SetDisplayPriority(me;aPresentableObject: PresentableObject from PrsMgr;
amode:Integer from Standard;
aNewPrior:Integer from Standard);
---Purpose:
-- Sets the display priority aNewPrior of the
-- presentable object aPresentableObject in this
-- framework with the display mode aMode.
DisplayPriority(me;aPresentableObject: PresentableObject from PrsMgr;
amode:Integer from Standard)
returns Integer from Standard;
---Purpose:
-- Returns the display priority of the presentable object
-- aPresentableObject in this framework with the
-- display mode aMode.
IsDisplayed(me;aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Returns true if the presentation of the presentable
-- object aPresentableObject in this framework with the
-- display mode aMode is displayed.
returns Boolean from Standard
is static;
IsHighlighted(me;aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Returns true if the presentation of the presentable
-- object aPresentableObject in this framework with the
-- display mode aMode is highlighted.
returns Boolean from Standard
is static;
Update(me; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Updates the presentation of the presentable object
-- aPresentableObject in this framework with the display mode aMode.
is static;
---Category: Immediate display methods.
BeginDraw(me: mutable) is virtual;
---Purpose: initializes the list of Prs to be displayed in transient mode
Add(me: mutable ; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0);
---Purpose: Performs an iteration of the transient objects to look
-- for the presentable objects with the display mode aMode.
-- Appends the presentation of the presentable object
-- aPresentableObject with the mode aMode to the list
-- of objects in immediate mode.
Remove(me: mutable ; aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0);
---Purpose: Performs an iteration of the transient objects to look
-- for the presentable objects with the display mode aMode.
-- Removes the presentation of the presentable object
-- aPresentableObject with the mode aMode from the
-- list of objects in immediate mode.
EndDraw(me: mutable; aView: View from Viewer; DoubleBuffer: Boolean from Standard = Standard_False)
---Purpose: Allows rapid drawing of the view aView by avoiding
-- an update of the whole background. If DoubleBuffer
-- is true, the background is drawn.
is deferred;
IsImmediateModeOn(me) returns Boolean from Standard;
---C++: inline
---Purpose: Returns true if immediate (transient) mode is on.
---Category: Private & deferred methods.
HasPresentation (me;
aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
returns Boolean from Standard
is static;
---Purpose: Returns true if there is a presentation of the
-- presentable object aPresentableObject in this
-- framework, aPresentableObject having the display mode aMode.
Presentation (me;
aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
returns mutable Presentation from PrsMgr
raises NoSuchObject from Standard
is static;
---Purpose: Returns the presentation Presentation of the
-- presentable object aPresentableObject in this
-- framework. aPresentableObject has the display mode aMode.
AddPresentation(me: mutable;
aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Adds a presentation of the presentable object
-- aPresentableObject to this framework.
-- aPresentableObject has the display mode aMode.
is protected;
RemovePresentation(me: mutable;
aPresentableObject: PresentableObject from PrsMgr;
aMode: Integer from Standard = 0)
---Purpose: Removes a presentation of the presentable object
-- aPresentableObject to this framework.
-- aPresentableObject has the display mode aMode.
is protected;
newPresentation(me: mutable; aPresentableObject: PresentableObject from PrsMgr)
returns mutable Presentation from PrsMgr
---Level: Internal
---Purpose: Creates a new presentation in the presentation manager.
is deferred private;
fields
myImmediateMode: Boolean from Standard is protected;
myImmediateList: ListOfTransient from TColStd is protected;
end PresentationManager from PrsMgr;
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