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10b9c7dfc0
OpenGl_Element destruction and resource deallocation methods now accept a pointer to OpenGl_Context instead of a handle to avoid double deletion of the context.
85 lines
3.1 KiB
C++
Executable File
85 lines
3.1 KiB
C++
Executable File
// Created on: 2013-08-15
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// Created by: Anton POLETAEV
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// Copyright (c) 2013-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _OpenGl_CappingPlaneResource_H__
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#define _OpenGl_CappingPlaneResource_H__
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#include <OpenGl_Resource.hxx>
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#include <OpenGl_AspectFace.hxx>
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#include <OpenGl_Matrix.hxx>
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#include <Graphic3d_ClipPlane.hxx>
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class Handle(OpenGl_Context);
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DEFINE_STANDARD_HANDLE (OpenGl_CappingPlaneResource, OpenGl_Resource)
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//! Container of graphical resources for rendering capping plane
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//! associated to graphical clipping plane.
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//! This resource holds data necessary for OpenGl_CappingAlgo.
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//! This object is implemented as OpenGl resource for the following reasons:
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//! - one instance should be shared between contexts.
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//! - instance associated to Graphic3d_ClipPlane data by id.
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//! - should created and released within context (owns OpenGl elements and resources).
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class OpenGl_CappingPlaneResource : public OpenGl_Resource
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{
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public:
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//! Constructor.
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//! Create capping plane presentation associated to clipping plane data.
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//! @param thePlane [in] the plane data.
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Standard_EXPORT OpenGl_CappingPlaneResource (const Handle(Graphic3d_ClipPlane)& thePlane);
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//! Destroy object.
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Standard_EXPORT virtual ~OpenGl_CappingPlaneResource();
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//! Update resource data in the passed context.
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//! @param theContext [in] the context.
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Standard_EXPORT void Update (const Handle(OpenGl_Context)& theContext);
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//! Release associated OpenGl resources.
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//! @param theContext [in] the resource context.
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Standard_EXPORT void Release (OpenGl_Context* theContext);
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//! @return aspect face for rendering capping surface.
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inline const OpenGl_AspectFace* AspectFace() const { return myAspect; }
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//! @return evaluated orientation matrix to transform infinite plane.
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inline const OpenGl_Matrix* Orientation() const { return &myOrientation; }
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private:
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//! Update precomputed plane orientation matrix.
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void UpdateTransform();
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//! Update resources.
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//! @param theContext [in] the context.
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void UpdateAspect (const Handle(OpenGl_Context)& theContext);
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private:
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OpenGl_Matrix myOrientation; //!< plane transformation matrix.
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OpenGl_AspectFace* myAspect; //!< capping face aspect.
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Handle(Graphic3d_ClipPlane) myPlaneRoot; //!< parent clipping plane structure.
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unsigned int myEquationMod; //!< modification counter for plane equation.
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unsigned int myAspectMod; //!< modification counter for aspect.
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public:
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DEFINE_STANDARD_RTTI(OpenGl_CappingPlaneResource) // Type definition
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};
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#endif
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