1 /*=========================================================================
4 Module: $RCSfile: TestWriteSimple.cxx,v $
6 Date: $Date: 2007/09/04 08:06:52 $
7 Version: $Revision: 1.52 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
20 * Write a dicom file from nothing
21 * The written image is 256x256, 8 bits, unsigned char
22 * The image content is a horizontal grayscale from
26 #include "gdcmFileHelper.h"
27 #include "gdcmDebug.h"
28 #include "gdcmGlobal.h"
29 #include "gdcmDictSet.h"
36 int sizeX; // Size X of the image
37 int sizeY; // Size Y of the image
38 int sizeZ; // Size Z of the image
39 int components; // Number of components for a pixel
40 int componentSize; // Component size (in bits : 8, 16) // Bits Allocated
41 int componentUse ; // Component size (in bits) // Bits Stored
42 int sign; // Sign of components
43 char writeMode; // Write mode
45 // - 'e' : Explicit VR
46 // - 'i' : Implicit VR
50 // these ones are use to check further oddities.
52 {63, 127, 1, 1, 16, 8, 0 ,'e'},
53 {63, 127, 1, 1, 16, 9, 0 ,'e'},
54 {63, 127, 1, 1, 16, 10, 0 ,'e'},
55 {63, 127, 1, 1, 16, 11, 0 ,'e'},
56 {63, 127, 1, 1, 16, 12, 0 ,'e'},
57 {63, 127, 1, 1, 16, 13, 0 ,'e'},
58 {63, 127, 1, 1, 16, 14, 0 ,'e'},
59 {63, 127, 1, 1, 16, 15, 0 ,'e'},
60 {63, 127, 1, 1, 16, 16, 0 ,'e'},
62 {128, 128, 1, 1, 8, 8, 0, 'e'},
63 {256, 128, 1, 1, 8, 8, 0, 'a'},
64 {128, 128, 1, 1, 8, 8, 0, 'i'},
66 {128, 128, 1, 1, 8, 8, 0, 'a'},
67 {256, 128, 1, 1, 8, 8, 0, 'i'},
70 {256, 128, 1, 1, 8, 8, 0, 'e'},
71 {128, 128, 1, 1, 16, 16, 0, 'e'},
72 {128, 256, 1, 1, 16, 16, 0, 'e'},
74 {128, 256, 1, 1, 8, 8, 0, 'e'},
75 {128, 256, 1, 1, 8, 8, 0, 'i'},
76 {128, 256, 1, 1, 8, 8, 0, 'a'},
78 {128, 256, 1, 1, 16, 16, 0, 'i'},
79 {128, 256, 1, 1, 16, 16, 0, 'i'},
80 {128, 256, 1, 1, 16, 16, 0, 'a'},
81 {128, 256, 1, 1, 16, 16, 0, 'a'},
83 {256, 128, 10, 1, 8, 8, 0, 'e'},
84 {256, 128, 10, 3, 8, 8, 0, 'e'},
85 {256, 128, 10, 3, 8, 8, 0, 'i'},
86 {256, 128, 10, 1, 8, 8, 0, 'i'},
87 {256, 128, 10, 1, 8, 8, 0, 'a'},
88 {256, 128, 10, 3, 8, 8, 0, 'a'},
90 {128, 128, 1, 1, 8, 8, 1, 'e'},
91 {128, 128, 1, 1, 8, 8, 1, 'i'},
92 {128, 128, 1, 1, 8, 8, 1, 'a'},
94 {256, 128, 1, 1, 8, 8, 1, 'e'},
95 {256, 128, 1, 1, 8, 8, 1, 'i'},
96 {256, 128, 1, 1, 8, 8, 1, 'a'},
98 {128, 256, 1, 1, 8, 8, 1, 'a'},
99 {128, 256, 1, 1, 8, 8, 1, 'e'},
100 {128, 256, 1, 1, 8, 8, 1, 'i'},
102 {128, 256, 1, 1, 16, 16, 1, 'e'},
103 {128, 256, 1, 1, 16, 16, 1, 'e'},
104 {128, 256, 1, 1, 16, 16, 1, 'i'},
105 {128, 256, 1, 1, 16, 16, 1, 'i'},
106 {128, 256, 1, 1, 16, 16, 1, 'a'},
107 {128, 256, 1, 1, 16, 16, 1, 'a'},
109 {256, 128, 10, 1, 8, 8, 1, 'e'},
110 {256, 128, 10, 1, 8, 8, 1, 'i'},
111 {256, 128, 10, 1, 8, 8, 1, 'a'},
113 {256, 128, 10, 3, 8, 8, 1, 'e'},
114 {256, 128, 10, 3, 8, 8, 1, 'i'},
115 {256, 128, 10, 3, 8, 8, 1, 'a'},
116 {0, 0, 1, 1, 8, 8, 0, 'i'} // to find the end
120 const unsigned int MAX_NUMBER_OF_DIFFERENCE = 10;
122 int WriteSimple(Image &img)
125 std::cout << "======================= WriteSimple =========(begin of processing current image)" << std::endl;
126 std::ostringstream fileName;
128 fileName << "TestWriteSimple";
130 // Step 1 : Create an empty FileHelper
132 std::cout << " 1...";
133 GDCM_NAME_SPACE::FileHelper *fileH = GDCM_NAME_SPACE::FileHelper::New();
135 // Get the (empty) image header.
136 GDCM_NAME_SPACE::File *fileToBuild = fileH->GetFile();
137 std::ostringstream str;
139 // Set the image size
142 fileToBuild->InsertEntryString(str.str(),0x0028,0x0011,"US"); // Columns
145 fileToBuild->InsertEntryString(str.str(),0x0028,0x0010,"US"); // Rows
151 fileToBuild->InsertEntryString(str.str(),0x0028,0x0008, "IS"); // Number of Frames
154 fileName << "-" << img.sizeX << "-" << img.sizeY << "-" << img.sizeZ;
156 // Set the pixel type
158 str << img.componentSize;
159 fileToBuild->InsertEntryString(str.str(),0x0028,0x0100,"US"); // Bits Allocated
162 str << img.componentUse;
163 fileToBuild->InsertEntryString(str.str(),0x0028,0x0101,"US"); // Bits Stored
166 str << ( img.componentUse - 1 );
167 fileToBuild->InsertEntryString(str.str(),0x0028,0x0102,"US"); // High Bit
169 // Set the pixel representation
172 fileToBuild->InsertEntryString(str.str(),0x0028,0x0103,"US"); // Pixel Representation
174 fileName << "-" << img.componentSize;
180 fileName << "-" << img.componentSize << "-" << img.componentUse;
182 fileToBuild->InsertEntryString("0",0x0008,0x0000,"UL"); // Should be removed
184 switch (img.writeMode)
197 std::cout << "[" << fileName.str() << "]...";
198 // Set the samples per pixel
200 str << img.components;
201 fileToBuild->InsertEntryString(str.str(),0x0028,0x0002,"US"); // Samples per Pixel
203 // Step 2 : Create the output image
205 if( img.componentSize%8 > 0 )
207 img.componentSize += 8-img.componentSize%8;
209 size_t size = img.sizeX * img.sizeY * img.sizeZ
210 * img.components * img.componentSize / 8;
211 unsigned char *imageData = new unsigned char[size];
213 // FIXME : find a better heuristic to create the image
214 unsigned char *tmp = imageData;
215 for(int k=0;k<img.sizeZ;k++)
217 for(int j=0;j<img.sizeY;j++)
219 for(int i=0;i<img.sizeX;i++)
221 for(int c=0;c<img.components;c++)
223 *tmp = (unsigned char)(j%256);
224 if( img.componentSize>8 )
226 *(tmp+1) = (unsigned char)(j/256);
228 tmp += img.componentSize/8;
234 // Step 3 : Set the image Pixel Data
236 fileH->SetImageData(imageData,size);
238 // Step 4 : Set the writting mode and write the image
240 fileH->SetWriteModeToRaw();
241 std::cout << "4'...";
242 switch (img.writeMode)
244 case 'a' : // Write an ACR file
245 fileH->SetWriteTypeToAcr();
248 case 'e' : // Write a DICOM Explicit VR file
249 fileH->SetWriteTypeToDcmExplVR();
252 case 'i' : // Write a DICOM Implicit VR file
253 fileH->SetWriteTypeToDcmImplVR();
257 std::cout << "Failed for [" << fileName.str() << "]\n"
258 << " Write mode '"<<img.writeMode<<"' is undefined\n";
265 std::cout << std::endl;
266 //fileToBuild->Print();
268 if( !fileH->Write(fileName.str()) )
270 std::cout << "Failed for [" << fileName.str() << "]\n"
271 << " File is unwrittable" << std::endl;
279 // Step 5 : Read the written image
280 std::cout << "5..." << std::endl;
282 //GDCM_NAME_SPACE::FileHelper *reread = new GDCM_NAME_SPACE::FileHelper( fileName.str() );
284 GDCM_NAME_SPACE::File *f = GDCM_NAME_SPACE::File::New( );
285 f->SetLoadMode(GDCM_NAME_SPACE::LD_ALL);
286 f->SetFileName( fileName.str() );
288 //reread->SetFileName( fileName.str() );
289 //reread->SetLoadMode(GDCM_NAME_SPACE::LD_ALL); // Load everything
290 // Possible values are
291 // GDCM_NAME_SPACE::LD_ALL,
292 // GDCM_NAME_SPACE::LD_NOSEQ,
293 // GDCM_NAME_SPACE::LD_NOSHADOW,
294 // GDCM_NAME_SPACE::LD_NOSEQ|GDCM_NAME_SPACE::LD_NOSHADOW,
295 // GDCM_NAME_SPACE::LD_NOSHADOWSEQ
299 GDCM_NAME_SPACE::FileHelper *reread = GDCM_NAME_SPACE::FileHelper::New( f );
303 if( !reread->GetFile()->IsReadable() )
305 std::cerr << "Failed" << std::endl
306 << "Could not read written image : " << fileName.str() << std::endl;
307 fileToBuild->Delete();
314 // Step 6 : Compare to the written image
315 std::cout << "6..." << std::endl;
316 size_t dataSizeWritten = reread->GetImageDataSize();
317 uint8_t *imageDataWritten = reread->GetImageData();
319 // Test the image write mode
320 if (reread->GetFile()->GetFileType() != fileH->GetWriteType())
322 std::cout << "Failed" << std::endl
323 << " File type differ: "
324 << fileH->GetWriteType() << " # "
325 << reread->GetFile()->GetFileType() << std::endl;
326 fileToBuild->Delete();
333 std::cout << "6.1..." << std::endl;
334 // Test the image size
335 if (fileToBuild->GetXSize() != reread->GetFile()->GetXSize() ||
336 fileToBuild->GetYSize() != reread->GetFile()->GetYSize() ||
337 fileToBuild->GetZSize() != reread->GetFile()->GetZSize())
339 std::cout << "Failed for [" << fileName.str() << "]" << std::endl
340 << " X Size differs: "
341 << "X: " << fileToBuild->GetXSize() << " # "
342 << reread->GetFile()->GetXSize() << " | "
343 << "Y: " << fileToBuild->GetYSize() << " # "
344 << reread->GetFile()->GetYSize() << " | "
345 << "Z: " << fileToBuild->GetZSize() << " # "
346 << reread->GetFile()->GetZSize() << std::endl;
347 fileToBuild->Delete();
354 std::cout << "6.2..." << std::endl;
355 // Test the data size
356 if (size != dataSizeWritten)
358 std::cout << "Failed" << std::endl
359 << " Pixel areas lengths differ: "
360 << size << " # " << dataSizeWritten << std::endl;
361 fileToBuild->Delete();
368 std::cout << "6.3..." << std::endl;
369 // Test the data content
370 if ( memcmp(imageData, imageDataWritten, size) !=0 )
372 std::cout << fileName.str() << " Failed " << std::endl
373 << " Pixel differ (as expanded in memory)." << std::endl;
374 std::cout << " list of the first " << MAX_NUMBER_OF_DIFFERENCE
375 << " pixels differing (pos : test - ref) :"
379 for(i=0, j=0;i<dataSizeWritten && j<MAX_NUMBER_OF_DIFFERENCE;i++)
381 if(imageDataWritten[i]!=imageData[i])
383 std::cout << std::hex << "(" << i << " : "
384 << std::hex << (int)(imageDataWritten[i]) << " - "
385 << std::hex << (int)(imageData[i]) << ") "
390 std::cout << std::endl;
391 fileToBuild->Delete();
398 std::cout << "======================= OK" << std::endl;
405 int TestWriteSimple(int argc, char *argv[])
409 std::cerr << "usage: \n"
410 << argv[0] << " (without parameters) " << std::endl
415 // GDCM_NAME_SPACE::Debug::DebugOn();
419 while( Images[i].sizeX>0 && Images[i].sizeY>0 )
421 std::cout << "Test n :" << i <<std::endl;;
422 ret += WriteSimple(Images[i] );