/usr/include/oce/OpenGl_Flipper.hxx is in liboce-visualization-dev 0.15-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // Copyright (c) 2013 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and / or modify it
// under the terms of the GNU Lesser General Public version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef OpenGl_Flipper_Header
#define OpenGl_Flipper_Header
#include <OpenGl_Element.hxx>
#include <OpenGl_Vec.hxx>
#include <Handle_OpenGl_Workspace.hxx>
class gp_Ax2;
//! Being rendered, the elements modifies current model-view matrix such that the axes of
//! the specified reference system (in model space) become oriented in the following way:
//! - X - heads to the right side of view.
//! - Y - heads to the up side of view.
//! - N(Z) - heads towards the screen.
//! Originally, this element serves for need of flipping the 3D text of dimension presentations.
class OpenGl_Flipper : public OpenGl_Element
{
public:
//! Construct rendering element to flip model-view matrix
//! along the reference system to ensure up-Y, right-X orientation.
//! @param theReferenceSystem [in] the reference coordinate system.
Standard_EXPORT OpenGl_Flipper (const gp_Ax2& theReferenceSystem);
//! Set options for the element.
//! @param theIsEnabled [in] flag indicates whether the flipper
//! matrix modification should be set up or restored back.
void SetOptions (const Standard_Boolean theIsEnabled) { myIsEnabled = theIsEnabled; }
Standard_EXPORT virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
Standard_EXPORT virtual void Release (const Handle(OpenGl_Context)& theCtx);
public:
DEFINE_STANDARD_ALLOC
protected:
OpenGl_Vec4 myReferenceOrigin;
OpenGl_Vec4 myReferenceX;
OpenGl_Vec4 myReferenceY;
OpenGl_Vec4 myReferenceZ;
Standard_Boolean myIsEnabled;
};
#endif // OpenGl_Flipper_Header
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