Method WriteTexture

IO/Export/vtkJSONSceneExporter.cxx:794–827

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//------------------------------------------------------------------------------
std::string vtkJSONSceneExporter::WriteTexture(vtkTexture* texture)
{
  // If this texture has already been written, just reuse the one
  // we have.
  if (this->TextureStrings.find(texture) != this->TextureStrings.end())
  {
    return this->TextureStrings[texture];
  }

  std::string path = this->CurrentDataSetPath();

  // Make sure it exists
  if (!vtksys::SystemTools::MakeDirectory(path))
  {
    vtkErrorMacro(<< "Cannot create directory " << path);
    return "";
  }

  path += "/texture.jpg";
  path = vtksys::SystemTools::ConvertToOutputPath(path);

  vtkSmartPointer<vtkImageData> image = texture->GetInput();

  vtkNew<vtkJPEGWriter> writer;
  writer->SetFileName(path.c_str());
  writer->SetInputDataObject(image);
  writer->Write();

  constexpr const char* INDENT = "      ";
  std::stringstream config;
  config << ",\n" << INDENT << "\"texture\": \"" << this->DatasetCount + 1 << "/texture.jpg\"";
  this->TextureStrings[texture] = config.str();
  return config.str();
}

//------------------------------------------------------------------------------
std::string vtkJSONSceneExporter::WriteTextureLODSeries(vtkTexture* texture)