2016-08-26 21:58:21 +00:00
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt 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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// Copyright 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/rendering/Canvas.h>
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#include <iostream>
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#include <fstream>
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namespace vtkm {
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namespace rendering {
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Canvas::Canvas(vtkm::Id width, vtkm::Id height)
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: Width(0), Height(0)
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{
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this->ResizeBuffers(width, height);
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}
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Canvas::~Canvas()
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{ }
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2016-09-01 18:33:28 +00:00
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void Canvas::SaveAs(const std::string &fileName) const
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2016-08-26 21:58:21 +00:00
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{
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this->RefreshColorBuffer();
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std::ofstream of(fileName.c_str());
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of<<"P6"<<std::endl<<this->Width<<" "<<this->Height<<std::endl<<255<<std::endl;
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ColorBufferType::PortalConstControl colorPortal =
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this->ColorBuffer.GetPortalConstControl();
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for (vtkm::Id yIndex=this->Height-1; yIndex>=0; yIndex--)
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{
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for (vtkm::Id xIndex=0; xIndex < this->Width; xIndex++)
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{
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vtkm::Vec<vtkm::Float32,4> tuple =
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colorPortal.Get(yIndex*this->Width + xIndex);
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of<<(unsigned char)(tuple[0]*255);
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of<<(unsigned char)(tuple[1]*255);
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of<<(unsigned char)(tuple[2]*255);
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}
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}
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of.close();
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}
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vtkm::rendering::WorldAnnotator *
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Canvas::CreateWorldAnnotator() const
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{
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return new vtkm::rendering::WorldAnnotator;
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}
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}
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} // vtkm::rendering
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