text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  #if defined(_MSC_VER)
  #pragma warning ( disable : 4786 )
  #endif
  #include "itkImage.h"
  #include "itkRandomImageSource.h"
  #include "itkTwoOutputExampleImageFilter.h"
  #include "itkCommand.h"
  #include "itkTextOutput.h"
  
  
  int itkTwoOutputExampleImageFilterTest(int, char* [] )
  {
    // Comment the following if you want to use the itk text output window
    itk::OutputWindow::SetInstance( itk::TextOutput::New() );
  
    // Uncomment the following if you want to see each message independently
    // itk::OutputWindow::GetInstance()->PromptUserOn();
  
    typedef itk::Image<float,2> FloatImage2DType;
  
    itk::RandomImageSource<FloatImage2DType>::Pointer random;
    random = itk::RandomImageSource<FloatImage2DType>::New();
    random->SetMin(0.0);
    random->SetMax(1000.0);
  
    FloatImage2DType::SpacingValueType spacing[2] = {0.7, 2.1};
    random->SetSpacing( spacing );
  
    FloatImage2DType::PointValueType origin[2] = {15, 400};
    random->SetOrigin( origin );
  
    std::ostringstream *os;
  
    // Test #1, filter goes out of scope
    itk::OutputWindow::GetInstance()->DisplayText( "Test #1: Filter goes out of scope -----------------" );
    {
    itk::TwoOutputExampleImageFilter<FloatImage2DType>::Pointer threshold;
    threshold = itk::TwoOutputExampleImageFilter<FloatImage2DType>::New();
    threshold->SetInput(random->GetOutput());
    threshold->Update();
  
    std::cout << "Input spacing: " << random->GetOutput()->GetSpacing()[0]
              << ", "
              << random->GetOutput()->GetSpacing()[1] << std::endl;
    std::cout << "Output spacing: " << threshold->GetOutput()->GetSpacing()[0]
              << ", "
              << threshold->GetOutput()->GetSpacing()[1] << std::endl;
  
    os = new std::ostringstream();
    *os << "Filter: " << threshold.GetPointer();
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #0: " << threshold->GetOutput(0);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #1: " << threshold->GetOutput(1);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
  
    threshold->GetOutput(0)->DebugOn();
    threshold->GetOutput(1)->DebugOn();
    threshold->DebugOn();
  
    itk::OutputWindow::GetInstance()->DisplayText( "Ending Test #1: filter goes out of scope" );
    itk::OutputWindow::GetInstance()->DisplayText( "End of Test #1 -----------------------------------" );
    }
  
    // Test #2, user keeps an extra handle to an output
    itk::OutputWindow::GetInstance()->DisplayText( "Test #2: User keeps an extra hold on an output  -----------------" );
    {
    FloatImage2DType::Pointer keep;
  
    itk::TwoOutputExampleImageFilter<FloatImage2DType>::Pointer threshold;
    threshold = itk::TwoOutputExampleImageFilter<FloatImage2DType>::New();
    threshold->SetInput(random->GetOutput());
    threshold->Update();
  
    os = new std::ostringstream();
    *os << "Filter: " << threshold.GetPointer();
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #0: " << threshold->GetOutput(0);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #1: " << threshold->GetOutput(1);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
  
    threshold->GetOutput(0)->DebugOn();
    threshold->GetOutput(1)->DebugOn();
    threshold->DebugOn();
  
    keep = threshold->GetOutput(0);
  
    itk::OutputWindow::GetInstance()->DisplayText( "End of Test #2: last handle on output 0 should go out of scope");
    }
    itk::OutputWindow::GetInstance()->DisplayText( "End of Test #2 -----------------------------------");
  
    // Test #3, user disconnects a data object from the pipeline
    itk::OutputWindow::GetInstance()->DisplayText( "Test #3: application disconnects a data object from the pipeline  -----------------" );
    {
    FloatImage2DType::Pointer keep;
  
    itk::TwoOutputExampleImageFilter<FloatImage2DType>::Pointer threshold;
    threshold = itk::TwoOutputExampleImageFilter<FloatImage2DType>::New();
    threshold->SetInput(random->GetOutput());
    threshold->Update();
  
    os = new std::ostringstream();
    *os << "Filter: " << threshold.GetPointer();
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #0: " << threshold->GetOutput(0);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
    os = new std::ostringstream();
    *os << "Output #1: " << threshold->GetOutput(1);
    itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
    delete os;
  
    threshold->GetOutput(0)->DebugOn();
    threshold->GetOutput(1)->DebugOn();
    threshold->DebugOn();
  
    keep = threshold->GetOutput(0);
    keep->DisconnectPipeline();
  
    itk::OutputWindow::GetInstance()->DisplayText( "End of Test #3: last handle on output 0 should go out of scope");
    }
    itk::OutputWindow::GetInstance()->DisplayText( "End of Test #3 -----------------------------------");
  
  
    // Test itkSetMacro and itkGetMacro
    itk::TwoOutputExampleImageFilter<FloatImage2DType>::Pointer threshold;
    threshold = itk::TwoOutputExampleImageFilter<FloatImage2DType>::New();
    const float outsideValue = 0;
    threshold->SetOutsideValue(outsideValue);
    float outsideValue2 = threshold->GetOutsideValue();
    std::cout << "threshold->GetOutsideValue(): " << outsideValue2 << std::endl;
    threshold->GetInverseOutput();
  
    return EXIT_SUCCESS;
  }
  
  
  
  