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62 lines
2.0 KiB
C++
Executable File
62 lines
2.0 KiB
C++
Executable File
// Created by: Kirill GAVRILOV
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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_PointSprite_H__
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#define _OpenGl_PointSprite_H__
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#include <OpenGl_Texture.hxx>
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#include <Handle_OpenGl_PointSprite.hxx>
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//! Point sprite resource. On modern hardware it will be texture with extra parameters.
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//! On ancient hardware sprites will be drawn using bitmaps.
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class OpenGl_PointSprite : public OpenGl_Texture
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{
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public:
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//! Create uninitialized resource.
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Standard_EXPORT OpenGl_PointSprite();
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//! Destroy object.
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Standard_EXPORT virtual ~OpenGl_PointSprite();
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//! Destroy object - will release GPU memory if any.
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Standard_EXPORT virtual void Release (OpenGl_Context* theCtx);
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//! @return true if this is display list bitmap
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inline Standard_Boolean IsDisplayList() const
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{
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return myBitmapList != 0;
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}
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//! Draw sprite using glBitmap.
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//! Please call glRasterPos3fv() before to setup sprite position.
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Standard_EXPORT void DrawBitmap (const Handle(OpenGl_Context)& theCtx) const;
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//! Initialize point sprite as display list
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Standard_EXPORT void SetDisplayList (const Handle(OpenGl_Context)& theCtx,
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const GLuint theBitmapList);
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protected:
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GLuint myBitmapList; //!< if of display list to draw sprite using glBitmap (for backward compatibility)
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public:
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DEFINE_STANDARD_RTTI(OpenGl_PointSprite, OpenGl_Texture) // Type definition
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};
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#endif // _OpenGl_PointSprite_H__
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