added basic unit tests for image io

modules/io/tests/CMakeLists.txt

@@ -3,6 +3,7 @@ set(OST_IO_UNIT_TESTS
   test_io_pdb.cc
   test_io_crd.cc
   test_io_sdf.cc
+  test_io_img.cc
   test_pir.cc
   test_iomanager.cc
   tests.cc

modules/io/tests/test_io_img.cc

+//------------------------------------------------------------------------------
+// This file is part of the OpenStructure project <www.openstructure.org>
+//
+// Copyright (C) 2008-2011 by the OpenStructure authors
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License as published by the Free
+// Software Foundation; either version 3.0 of the License, or (at your option)
+// any later version.
+// This library is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this library; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//------------------------------------------------------------------------------
+#include <vector>
+#include <ost/io/load_map.hh>
+#include <ost/img/image_factory.hh>
+#include <ost/img/alg/randomize.hh>
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+#include  <ost/io/img/map_io_dx_handler.hh>
+#include  <ost/io/img/map_io_spi_handler.hh>
+#include  <ost/io/img/map_io_mrc_handler.hh>
+#include  <ost/io/img/map_io_dm3_handler.hh>
+#include  <ost/io/img/map_io_situs_handler.hh>
+#include  <ost/io/img/map_io_tiff_handler.hh>
+#include  <ost/io/img/map_io_png_handler.hh>
+#include  <ost/io/img/map_io_dat_handler.hh>
+#include  <ost/io/img/map_io_jpk_handler.hh>
+#include  <ost/io/img/map_io_nanoscope_handler.hh>
+#include  <ost/img/alg/normalizer_factory.hh>
+
+using namespace ost;
+using namespace ost::io;
+
+
+BOOST_AUTO_TEST_SUITE( io )
+
+
+BOOST_AUTO_TEST_CASE(test_io_img) 
+{
+  ost::img::ImageHandle testimage=ost::img::CreateImage(ost::img::Extent(ost::img::Point(0,0),ost::img::Point(3,3)));
+  testimage.ApplyIP(ost::img::alg::Randomize());
+  const String fname("temp_img.tmp");
+  std::vector<ImageFormatBase*> float_formats;
+  float_formats.push_back(new MRC);
+  float_formats.push_back(new MRC(false,MRC_OLD_FORMAT));
+  float_formats.push_back(new Spider);
+  float_formats.push_back(new JPK(false,OST_FLOAT_FORMAT));
+  float_formats.push_back(new JPK(false,OST_DOUBLE_FORMAT));
+  float_formats.push_back(new TIF(false,OST_FLOAT_FORMAT));
+  float_formats.push_back(new TIF(false,OST_DOUBLE_FORMAT));
+  for(std::vector<ImageFormatBase*>::iterator it=float_formats.begin();it!=float_formats.end();++it){
+    ost::io::SaveImage(testimage,fname,*(*it));
+    ost::img::ImageHandle loadedimage=ost::io::LoadImage(fname,*(*it));
+    for(ost::img::ExtentIterator eit(testimage.GetExtent());!eit.AtEnd();++eit) {
+      BOOST_CHECK_CLOSE(testimage.GetReal(eit),loadedimage.GetReal(eit),0.0001);
+    }
+    delete *it;
+  }
+  std::vector<ImageFormatBase*> int_formats;
+  int_formats.push_back(new TIF);
+  int_formats.push_back(new JPK);
+  int_formats.push_back(new PNG);
+  for(std::vector<ImageFormatBase*>::iterator it=int_formats.begin();it!=int_formats.end();++it){
+    ost::io::SaveImage(testimage,fname,*(*it));
+    ost::img::ImageHandle loadedimage=ost::io::LoadImage(fname,*(*it));
+    ost::img::alg::Normalizer norm=ost::img::alg::CreateLinearRangeNormalizer(testimage,(*it)->GetMinimum(),(*it)->GetMaximum());
+    ost::img::ImageHandle scaled_image=testimage.Apply(norm);
+    for(ost::img::ExtentIterator eit(testimage.GetExtent());!eit.AtEnd();++eit) {
+      BOOST_CHECK_CLOSE(scaled_image.GetReal(eit),loadedimage.GetReal(eit),0.0001);
+    }
+    delete *it;
+  }
+  
+}
+
+BOOST_AUTO_TEST_SUITE_END()