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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkClearRGBPass.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkClearRGBPass.h"
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#include "vtkObjectFactory.h"
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#include "vtkRenderState.h"
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#include "vtkRenderer.h"
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#include "vtkgl.h"
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vtkStandardNewMacro(vtkClearRGBPass);
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// ----------------------------------------------------------------------------
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vtkClearRGBPass::vtkClearRGBPass()
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{
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this->Background[0] = 0;
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this->Background[1] = 0;
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this->Background[2] = 0;
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}
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// ----------------------------------------------------------------------------
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vtkClearRGBPass::~vtkClearRGBPass()
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{
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}
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// ----------------------------------------------------------------------------
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void vtkClearRGBPass::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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os << indent << "Background:"
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<< this->Background[0] << "," << this->Background[1] << ","
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<< this->Background[2] << endl;
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}
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// ----------------------------------------------------------------------------
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void vtkClearRGBPass::Render(const vtkRenderState *s)
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{
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(void)s;
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this->NumberOfRenderedProps=0;
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glClearColor( static_cast<GLclampf>(this->Background[0]),
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static_cast<GLclampf>(this->Background[1]),
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static_cast<GLclampf>(this->Background[2]),
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static_cast<GLclampf>(0.0));
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glClear(GL_COLOR_BUFFER_BIT);
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}
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