X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=Testing%2FTestWriteSimple.cxx;h=edd8ba0df2fd33590234cb414171f14a169be2fb;hb=be54aab0103af7dee1a3bb5b8b3ee93b59ca9073;hp=49c7a530722f85c3804f20e6a2859729cf9f8857;hpb=2e83306e5f3ef870cd6959d163a88d0731b9fcd5;p=gdcm.git diff --git a/Testing/TestWriteSimple.cxx b/Testing/TestWriteSimple.cxx index 49c7a530..edd8ba0d 100644 --- a/Testing/TestWriteSimple.cxx +++ b/Testing/TestWriteSimple.cxx @@ -1,44 +1,297 @@ -#include "gdcmHeader.h" +/*========================================================================= + + Program: gdcm + Module: $RCSfile: TestWriteSimple.cxx,v $ + Language: C++ + Date: $Date: 2005/01/24 16:44:54 $ + Version: $Revision: 1.14 $ + + 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. + +=========================================================================*/ + +/** + * Write a dicom file from nothing + * The written image is 256x256, 8 bits, unsigned char + * The image content is a horizontal grayscale from + * + */ #include "gdcmFile.h" -#include "gdcmDebug.h" +#include "gdcmFileHelper.h" +#include +#include -int TestWriteSimple(int argc, char* argv[]) +typedef struct +{ + int sizeX; // Size X of the image + int sizeY; // Size Y of the image + int sizeZ; // Size Z of the image + int components; // Number of components for a pixel + int componentSize; // Component size (in bits : 8, 16) + int componentUse ; // Component size (in bits) + int sign; // Sign of components + char writeMode; // Write mode + // - 'a' : ACR + // - 'e' : Explicit VR + // - 'i' : Implicit VR +} Image; + +Image Images [] = { + {256, 256, 1, 1, 8, 8, 0, 'a'}, + {256, 256, 1, 1, 8, 8, 0, 'e'}, + {256, 256, 1, 1, 8, 8, 0, 'i'}, + + {512, 256, 1, 1, 8, 8, 0, 'a'}, + {512, 256, 1, 1, 8, 8, 0, 'e'}, + {512, 256, 1, 1, 8, 8, 0, 'i'}, + + {256, 512, 1, 1, 8, 8, 0, 'a'}, + {256, 512, 1, 1, 8, 8, 0, 'e'}, + {256, 512, 1, 1, 8, 8, 0, 'i'}, + + {256, 512, 1, 1, 16, 16, 0, 'a'}, + {256, 512, 1, 1, 16, 16, 0, 'e'}, + {256, 512, 1, 1, 16, 16, 0, 'i'}, + {256, 512, 1, 1, 16, 16, 0, 'a'}, + {256, 512, 1, 1, 16, 16, 0, 'e'}, + {256, 512, 1, 1, 16, 16, 0, 'i'}, + {0, 0, 1, 1, 8, 8, 0, 'i'} // to find the end +}; + +int WriteSimple(Image &img) { + std::string fileName = "TestWriteSimple.dcm"; + +// Step 1 : Create the header of the image + std::cout << " 1..."; + gdcm::File *header = new gdcm::File(); + std::ostringstream str; + + // Set the image size + str.str(""); + str << img.sizeX; + header->Insert(str.str(),0x0028,0x0011); // Columns + + str.str(""); + str << img.sizeY; + header->Insert(str.str(),0x0028,0x0010); // Rows + + if(img.sizeZ>1) + { + str.str(""); + str << img.sizeZ; + header->Insert(str.str(),0x0028,0x0008); // Number of Frames + } + + // Set the pixel type + str.str(""); + str << img.componentSize; + header->Insert(str.str(),0x0028,0x0100); // Bits Allocated + + str.str(""); + str << img.componentUse; + header->Insert(str.str(),0x0028,0x0101); // Bits Stored + + str.str(""); + str << img.componentSize - 1; + header->Insert(str.str(),0x0028,0x0102); // High Bit + + // Set the pixel representation + str.str(""); + str << img.sign; + header->Insert(str.str(),0x0028,0x0103); // Pixel Representation + + // Set the samples per pixel + str.str(""); + str << img.components; + header->Insert(str.str(),0x0028,0x0002); // Samples per Pixel + + if( !header->IsReadable() ) + { + std::cout << "Failed\n" + << " Prepared image isn't readable\n"; + + delete header; + return 1; + } + +// Step 2 : Create the output image + std::cout << "2..."; + if( img.componentSize%8 > 0 ) + { + img.componentSize += 8-img.componentSize%8; + } + size_t size = img.sizeX * img.sizeY * img.sizeZ + * img.components * img.componentSize / 8; + unsigned char *imageData = new unsigned char[size]; + + // FIXME : find a best heuristic to create the image + unsigned char *tmp = imageData; + for(int k=0;k8 ) + { + *(tmp+1) = j/256; + } + tmp += img.componentSize * img.components/8; + } + } + } + } + +// Step 3 : Create the file of the image + std::cout << "3..."; + gdcm::FileHelper *file = new gdcm::FileHelper(header); + file->SetImageData(imageData,size); + +// Step 4 : Set the writting mode and write the image + std::cout << "4..."; - if (argc < 3) - { - std::cerr << "Usage :" << std::endl << argv[0] << - " InputHeader OutputDicom" << std::endl; - return 0; - } - - std::string header = argv[1]; - const char *output = argv[2]; - - gdcmHeader *f1 = new gdcmHeader( header ); - gdcmFile *f2 = new gdcmFile( f1 ); - - // If the following call is important, then the API sucks. Why is it - // required to allocate PixelData when we are not using it !? - void* PixelData = f2->GetImageData(); //EXTREMELY IMPORTANT - //Otherwise ReadPixel == -1 -> the dicom writing fails completely - - int dataSize = f2->GetImageDataSize(); - // unsigned char cast is necessary to be able to delete the buffer - // since deleting a void* is not allowed in c++ - char *imageData = (char*)f2->GetImageData(); - - f2->SetImageData( imageData, dataSize); - - f2->WriteDcmExplVR( output ); - - delete[] imageData; - delete f1; - delete f2; - //delete PixelData; //Does GetImageData return the same pointer ? - (void)PixelData; - - return 0; + file->SetWriteModeToRaw(); + switch (img.writeMode) + { + case 'a' : // Write an ACR file + file->SetWriteTypeToAcr(); + break; + + case 'e' : // Write a DICOM Explicit VR file + file->SetWriteTypeToDcmExplVR(); + break; + + case 'i' : // Write a DICOM Implicit VR file + file->SetWriteTypeToDcmImplVR(); + break; + + default : + std::cout << "Failed\n" + << " Write mode '"<Write(fileName) ) + { + std::cout << "Failed\n" + << "File in unwrittable\n"; + + delete file; + delete header; + delete[] imageData; + return 1; + } + +// Step 5 : Read the written image + std::cout << "5..."; + gdcm::FileHelper* reread = new gdcm::FileHelper( fileName ); + if( !reread->GetFile()->IsReadable() ) + { + std::cerr << "Failed" << std::endl + << "Test::TestReadWriteReadCompare: Could not reread image " + << "written:" << fileName << std::endl; + delete header; + delete file; + delete reread; + return 1; + } + +// Step 6 : Compare to the written image + std::cout << "6..."; + size_t dataSizeWritten = reread->GetImageDataSize(); + uint8_t* imageDataWritten = reread->GetImageData(); + + // Test the image size + if (header->GetXSize() != reread->GetFile()->GetXSize() || + header->GetYSize() != reread->GetFile()->GetYSize() || + header->GetZSize() != reread->GetFile()->GetZSize()) + { + std::cout << "Failed" << std::endl + << " X Size differs: " + << "X: " << header->GetXSize() << " # " + << reread->GetFile()->GetXSize() << " | " + << "Y: " << header->GetYSize() << " # " + << reread->GetFile()->GetYSize() << " | " + << "Z: " << header->GetZSize() << " # " + << reread->GetFile()->GetZSize() << std::endl; + delete header; + delete file; + delete reread; + delete[] imageData; + + return 1; + } + + // Test the data size + if (size != dataSizeWritten) + { + std::cout << "Failed" << std::endl + << " Pixel areas lengths differ: " + << size << " # " << dataSizeWritten << std::endl; + delete header; + delete file; + delete reread; + delete[] imageData; + + return 1; + } + + // Test the data's content + if (int res = memcmp(imageData, imageDataWritten, size) !=0) + { + (void)res; + std::cout << "Failed" << std::endl + << " Pixel differ (as expanded in memory)." << std::endl; + delete header; + delete file; + delete reread; + delete[] imageData; + + return 1; + } + + std::cout << "OK" << std::endl; + + delete header; + delete file; + delete reread; + delete[] imageData; + + return 0; } +int TestWriteSimple(int argc, char* argv[]) +{ + if (argc < 1) + { + std::cerr << "usage: \n" + << argv[0] << " (without parameters) " << std::endl + << std::endl; + return 1; + } + + int ret=0; + int i=0; + while( Images[i].sizeX>0 && Images[i].sizeY>0 ) + { + ret += WriteSimple(Images[i]); + i++; + } + + return ret; +}