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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenGLBillboardTextActor3D.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkOpenGLBillboardTextActor3D.h"
#include "vtkObjectFactory.h"
#include "vtkOpenGLGL2PSHelper.h"
#include "vtkRenderer.h"
#include <string>
vtkStandardNewMacro(vtkOpenGLBillboardTextActor3D)
//------------------------------------------------------------------------------
void vtkOpenGLBillboardTextActor3D::PrintSelf(std::ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
int vtkOpenGLBillboardTextActor3D::
RenderTranslucentPolygonalGeometry(vtkViewport *vp)
{
vtkOpenGLGL2PSHelper *gl2ps = vtkOpenGLGL2PSHelper::GetInstance();
if (gl2ps)
{
switch (gl2ps->GetActiveState())
{
case vtkOpenGLGL2PSHelper::Capture: // Render to GL2PS
return this->RenderGL2PS(vp, gl2ps);
case vtkOpenGLGL2PSHelper::Background: // No rendering
return 0;
case vtkOpenGLGL2PSHelper::Inactive: // Superclass render
break;
}
}
return this->Superclass::RenderTranslucentPolygonalGeometry(vp);
}
//------------------------------------------------------------------------------
vtkOpenGLBillboardTextActor3D::vtkOpenGLBillboardTextActor3D()
{
}
//------------------------------------------------------------------------------
vtkOpenGLBillboardTextActor3D::~vtkOpenGLBillboardTextActor3D()
{
}
//------------------------------------------------------------------------------
int vtkOpenGLBillboardTextActor3D::RenderGL2PS(vtkViewport *viewport,
vtkOpenGLGL2PSHelper *gl2ps)
{
if (!this->InputIsValid() || !this->IsValid())
{
return 0;
}
vtkRenderer *ren = vtkRenderer::SafeDownCast(viewport);
if (!ren)
{
vtkWarningMacro("Viewport is not a renderer?");
return 0;
}
gl2ps->DrawString(this->Input, this->TextProperty, this->AnchorDC,
this->AnchorDC[2] + 1e-6, ren);
return 1;
}
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