Add test to demonstrate TIFF reader issue.

Adding a new test to demonstrate the vtkTIFFReader inability to handle
reading of sub-extents in compressed TIFF file. This is a failing test
to demonstrate the reader lack in support.

IO/Image/Testing/Cxx/CMakeLists.txt

@@ -38,6 +38,10 @@ vtk_add_test_cxx(${vtk-module}CxxTests tests
   TestTIFFReaderTiledRGB,TestTIFFReader.cxx,NO_OUTPUT
     "DATA{${VTK_TEST_INPUT_DIR}/libtiff/gourds_tiled_200x300.tif}")
 
+vtk_add_test_cxx(${vtk-module}CxxTests tests
+  TestCompressedTIFFReader,TestCompressedTIFFReader.cxx,NO_OUTPUT
+    "DATA{${VTK_TEST_INPUT_DIR}/al_foam_smallest.0.tif}")
+
 set(all_tests
   ${data_tests}
   ${tests}

IO/Image/Testing/Cxx/TestCompressedTIFFReader.cxx

+/*=========================================================================
+
+  Program:   Visualization Toolkit
+  Module:    TestCompressedTIFFReader.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 <vtkSmartPointer.h>
+
+#include <vtkTIFFReader.h>
+#include <vtkImageViewer2.h>
+#include <vtkRenderWindow.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkRenderer.h>
+#include <vtkImageData.h>
+
+int TestCompressedTIFFReader(int argc, char* argv[])
+{
+  //Verify input arguments
+  if ( argc < 3 )
+    {
+    std::cout << "Usage: " << argv[0]
+              << " Filename(.tif)" << std::endl;
+    return EXIT_FAILURE;
+    }
+
+  //Read the image
+  vtkSmartPointer<vtkTIFFReader> reader =
+    vtkSmartPointer<vtkTIFFReader>::New();
+  reader->SetFileName(argv[1]);
+  reader->UpdateInformation();
+
+  // Read the image in 4 chunks. This exercises the logic to read random scan
+  // lines from files that do not support it.
+  const int maxNumPieces = 4;
+  for (int cc=0; cc < maxNumPieces; cc++)
+    {
+    reader->SetUpdateExtent(cc, maxNumPieces, 0);
+    reader->Update();
+    }
+  reader->SetUpdateExtentToWholeExtent();
+
+  // Visualize
+  vtkSmartPointer<vtkImageViewer2> imageViewer =
+    vtkSmartPointer<vtkImageViewer2>::New();
+  imageViewer->SetInputConnection(reader->GetOutputPort());
+  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
+    vtkSmartPointer<vtkRenderWindowInteractor>::New();
+  imageViewer->SetupInteractor(renderWindowInteractor);
+  imageViewer->Render();
+  imageViewer->GetRenderer()->ResetCamera();
+  renderWindowInteractor->Initialize();
+  imageViewer->Render();
+
+  renderWindowInteractor->Start();
+
+  return EXIT_SUCCESS;
+}

IO/Image/Testing/Data/Baseline/TestCompressedTIFFReader.png.md5

+54dcf8b7c3f759d9c22095c5a568741e

Testing/Data/al_foam_smallest.0.tif.md5

+e1227be0aa2058bb2070bb9e3a62d320