0024070: OpenGL capped object-level clipping planes

[occt.git] / src / OpenGl / OpenGl_RenderFilter.hxx

diff --git a/src/OpenGl/OpenGl_RenderFilter.hxx b/src/OpenGl/OpenGl_RenderFilter.hxx
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+// Created on: 2013-07-25
+// Created by: Anton POLETAEV
+// Copyright (c) 2013 OPEN CASCADE SAS
+//
+// The content of this file is subject to the Open CASCADE Technology Public
+// License Version 6.5 (the "License"). You may not use the content of this file
+// except in compliance with the License. Please obtain a copy of the License
+// at http://www.opencascade.org and read it completely before using this file.
+//
+// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
+// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+//
+// The Original Code and all software distributed under the License is
+// distributed on an "AS IS" basis, without warranty of any kind, and the
+// Initial Developer hereby disclaims all such warranties, including without
+// limitation, any warranties of merchantability, fitness for a particular
+// purpose or non-infringement. Please see the License for the specific terms
+// and conditions governing the rights and limitations under the License.
+
+#ifndef _OpenGl_RenderFilter_H__
+#define _OpenGl_RenderFilter_H__
+
+#include <Standard_DefineHandle.hxx>
+#include <Standard_Transient.hxx>
+
+DEFINE_STANDARD_HANDLE (OpenGl_RenderFilter, Standard_Transient)
+
+class OpenGl_Element;
+
+//! Base class for defining element rendering filters.
+//! This class can be used in pair with advance rendering passes, and for 
+//! disabling rendering (setting up) graphical aspects.
+class OpenGl_RenderFilter : public Standard_Transient
+{
+public:
+
+  //! Checks whether the element can be rendered or not.
+  //! @param theElement [in] the element to check.
+  //! @return True if element can be rendered.
+  virtual Standard_Boolean CanRender (const OpenGl_Element* theElement) = 0;
+
+public:
+
+  DEFINE_STANDARD_RTTI(OpenGl_RenderFilter)
+};
+
+#endif