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c827ea3a68
0025301: Visualization, TKOpenGl - transpose matrix manually before glUniformMatrix4fv() OpenGl_View::ReleaseGlResources() - release GL resources of trihedron, do not destroy it
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
// Created on: 2011-05-20
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// Created by: Anton POLETAEV
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// Copyright (c) 2011-2014 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_PRINTERCONTEXT_H
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#define _OPENGL_PRINTERCONTEXT_H
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#include <Standard_DefineHandle.hxx>
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#include <TColStd_Array2OfReal.hxx>
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#include <Handle_Standard_Transient.hxx>
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#include <OpenGl_Vec.hxx>
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//! Class provides specific information for redrawing view to offscreen buffer
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//! on printing. The information is: projection matrixes for tiling,
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//! scaling factors for text/markers and layer viewport dimensions.
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class OpenGl_PrinterContext : public Standard_Transient
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{
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public:
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//! Constructor
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OpenGl_PrinterContext();
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//! Destructor
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virtual ~OpenGl_PrinterContext();
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//! Get view projection transformation matrix.
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inline const TColStd_Array2OfReal& GetProjTransformation() const
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{
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return myProjTransform;
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}
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//! Set view projection transformation matrix for printing/tiling purposes
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//! theProjTransform parameter should be an 4x4 array.
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bool SetProjTransformation (const TColStd_Array2OfReal& theProjTransform);
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//! Returns projection matrix.
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OpenGl_Mat4 ProjTransformation();
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//! Get text/markers scale factor
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inline void GetScale (Standard_ShortReal& theScaleX,
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Standard_ShortReal& theScaleY) const
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{
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theScaleX = myScaleX;
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theScaleY = myScaleY;
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}
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//! Set text scale factor
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void SetScale (const Standard_ShortReal theScaleX,
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const Standard_ShortReal theScaleY);
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//! Get layer viewport dimensions
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inline void GetLayerViewport (Standard_Integer& theViewportX,
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Standard_Integer& theViewportY) const
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{
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theViewportX = myLayerViewportX;
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theViewportY = myLayerViewportY;
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}
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//! Set layer viewport dimensions
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void SetLayerViewport (const Standard_Integer theViewportX,
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const Standard_Integer theViewportY);
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private:
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TColStd_Array2OfReal myProjTransform;
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Standard_ShortReal myProjMatrixGl[16];
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Standard_ShortReal myScaleX;
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Standard_ShortReal myScaleY;
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Standard_Integer myLayerViewportX;
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Standard_Integer myLayerViewportY;
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public:
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DEFINE_STANDARD_RTTI(OpenGl_PrinterContext) // Type definition
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};
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DEFINE_STANDARD_HANDLE(OpenGl_PrinterContext, Standard_Transient)
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#endif
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