From ca7e20e972f5881366d8b7a50ca18362b5b00500 Mon Sep 17 00:00:00 2001 From: jpr Date: Mon, 27 Aug 2007 16:09:06 +0000 Subject: [PATCH] First version of a general JPEG-writer tester (Still to be checked ...) --- Testing/TestReadWriteJPEGReadCompare.cxx | 190 +++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100755 Testing/TestReadWriteJPEGReadCompare.cxx diff --git a/Testing/TestReadWriteJPEGReadCompare.cxx b/Testing/TestReadWriteJPEGReadCompare.cxx new file mode 100755 index 00000000..647189e1 --- /dev/null +++ b/Testing/TestReadWriteJPEGReadCompare.cxx @@ -0,0 +1,190 @@ +/*========================================================================= + + Program: gdcm + Module: $RCSfile: TestReadWriteJPEGReadCompare.cxx,v $ + Language: C++ + Date: $Date: 2007/08/27 16:09:06 $ + Version: $Revision: 1.1 $ + + Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de + l'Image). All rights reserved. See Doc/License.txt or + http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html 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 notices for more information. + +=========================================================================*/ +#include "gdcmFile.h" +#include "gdcmFileHelper.h" +#include "gdcmDebug.h" + +//Generated file: +#include "gdcmDataImages.h" + +static int CompareInternalJPEG(std::string const &filename, std::string const &output) +{ + std::cout << " Testing: " << filename << std::endl; + + //////////////// Step 1 (see above description): + + GDCM_NAME_SPACE::File *file = GDCM_NAME_SPACE::File::New( ); + file->SetFileName( filename ); + file->Load (); + if( !file->IsReadable() ) + { + std::cout << "Failed" << std::endl + << "Test::TestReadWriteJPEGReadCompare: Image not gdcm compatible:" + << filename << std::endl; + file->Delete(); + return 1; + } + std::cout << " step 1..."; + + //////////////// Step 2: + GDCM_NAME_SPACE::FileHelper *filehelper = GDCM_NAME_SPACE::FileHelper::New( file ); + int dataSize = filehelper->GetImageDataSize(); + uint8_t *imageData = filehelper->GetImageData(); //EXTREMELY IMPORTANT + // Sure, it is : It's up to the user to decide if he wants to + // GetImageData or if he wants to GetImageDataRaw + // (even if we do it by setting a flag, *he* will have to decide) + + //filehelper->SetImageData(imageData, dataSize); + + filehelper->SetWriteModeToRGB(); + + filehelper->SetWriteTypeToJPEG( ); + filehelper->SetUserData(imageData,dataSize); + filehelper->Write( output ); + std::cout << "2..."; + + //////////////// Step 3: + GDCM_NAME_SPACE::File *fileout = GDCM_NAME_SPACE::File::New(); + fileout->SetFileName( output ); + fileout->Load(); + // gdcm::FileHelper *reread = new gdcm::FileHelper( output ); // deprecated + + if( !fileout->IsReadable() ) + { + std::cout << "Failed" << std::endl + << "Test::TestReadWriteReadCompare: Could not parse the newly " + << "written image:" << filename << std::endl; + file->Delete(); + filehelper->Delete(); + fileout->Delete(); + return 1; + } + + GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( fileout ); + + std::cout << "3..."; + // For the next step: + int dataSizeWritten = reread->GetImageDataSize(); + uint8_t *imageDataWritten = reread->GetImageData(); + + //////////////// Step 4: + // Test the image size + if (file->GetXSize() != reread->GetFile()->GetXSize() || + file->GetYSize() != reread->GetFile()->GetYSize() || + file->GetZSize() != reread->GetFile()->GetZSize()) + { + std::cout << "Failed" << std::endl + << " X Size differs: " + << "X: " << file->GetXSize() << " # " + << reread->GetFile()->GetXSize() << " | " + << "Y: " << file->GetYSize() << " # " + << reread->GetFile()->GetYSize() << " | " + << "Z: " << file->GetZSize() << " # " + << reread->GetFile()->GetZSize() << std::endl; + file->Delete(); + filehelper->Delete(); + fileout->Delete(); + reread->Delete(); + return 1; + } + + // Test the data size + // beware of odd length Pixel Element! + int dataSizeFixed = dataSize + dataSize%2; + int dataSizeWrittenFixed = dataSizeWritten + dataSizeWritten%2; + + if (dataSizeFixed != dataSizeWrittenFixed) + { + std::cout << "Failed" << std::endl + << " Pixel areas lengths differ: " + << dataSize << " # " << dataSizeWritten << std::endl; + file->Delete(); + filehelper->Delete(); + fileout->Delete(); + reread->Delete(); + return 1; + } + + // Test the data's content + if (memcmp(imageData, imageDataWritten, dataSize) !=0) + { + std::cout << "Failed" << std::endl + << " Pixel differ (as expanded in memory)." << std::endl; + file->Delete(); + filehelper->Delete(); + fileout->Delete(); + reread->Delete(); + return 1; + } + std::cout << "4...OK." << std::endl ; + + //////////////// Clean up: + file->Delete(); + filehelper->Delete(); + fileout->Delete(); + reread->Delete(); + + return 0; +} + +int TestReadWriteJPEGReadCompare(int argc, char *argv[]) +{ + int result = 0; + + if (argc == 4) + GDCM_NAME_SPACE::Debug::DebugOn(); + + if (argc >= 3) + { + const std::string input = argv[1]; + const std::string output = argv[2]; + result += CompareInternalJPEG(input, output); + } + else if( argc > 4 || argc == 2 ) + { + std::cout << "Please read the manual" << std::endl; + } + else + { + std::cout<< "Test::TestReadWriteJPEGReadCompare: description " << std::endl; + std::cout << " For all images in gdcmData (and not blacklisted in " + "Test/CMakeLists.txt)" << std::endl; + std::cout << " apply the following multistep test: " << std::endl; + std::cout << " step 1: parse the image (as gdcmFile) and call" + << " IsReadable(). " << std::endl; + std::cout << " step 2: write the corresponding image in JPEG DICOM V3 " + << "with explicit" << std::endl + << " Value Representation in temporary file " + << "TestReadWriteReadCompare.dcm." << std::endl; + std::cout << " step 3: read the image written on step2 and call " + << " IsReadable(). " << std::endl; + std::cout << " step 4: compare (in memory with memcmp) that the two " + << "images " << std::endl + << " match (as expanded by gdcm)." << std::endl; + + int i = 0; + while( gdcmDataImages[i] != 0 ) + { + std::string filename = GDCM_DATA_ROOT; + filename += "/"; + filename += gdcmDataImages[i++]; + result += CompareInternalJPEG(filename, "TestReadWriteJPEGReadCompare.dcm"); + } + } + return result; +} -- 2.45.1