BUG: Solve the 'Shoot Yourself in the Foot' problem

[gdcm.git] / Example / PrintFile.cxx

diff --git a/Example/PrintFile.cxx b/Example/PrintFile.cxx
index 5e01af3c9c6e366b2fce19a0267ce2a5020f8c08..9ff3a681d6ebd695db02b19f5dc24b2a9665d768 100644 (file)
--- a/Example/PrintFile.cxx
+++ b/Example/PrintFile.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: PrintFile.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/06/06 12:41:04 $
-  Version:   $Revision: 1.37 $
+  Date:      $Date: 2005/06/17 14:36:19 $
+  Version:   $Revision: 1.40 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -16,8 +16,8 @@
                                                                                 
 =========================================================================*/
 #include "gdcmFile.h"
-#include "gdcmDebug.h"
 #include "gdcmFileHelper.h"
+#include "gdcmDebug.h"
 
 #include "gdcmArgMgr.h"
 
@@ -34,61 +34,65 @@ int main(int argc, char *argv[])
    "        noshadow : user doesn't want to load Private groups (odd number)",
    "        noseq    : user doesn't want to load Sequences ",
    "        debug    : user wants to run the program in 'debug mode' ",
+   "        showlut  : user wants to display the Palette Color (as an int array)",
    FINISH_USAGE
 
-   gdcm::File *e1;
-   gdcm::FileHelper   *f1;
-   char *fileName;
-
    // Initialize Arguments Manager   
    gdcm::ArgMgr *am= new gdcm::ArgMgr(argc, argv);
   
-   if (argc == 1) 
+   if (argc == 1)
    {
       am->ArgMgrUsage(usage); // Display 'usage'
       delete am;
       return 0;
    }
 
-   fileName  = am->ArgMgrWantString("filein",usage);
-
-   if (am->ArgMgrDefined("debug"))
-      gdcm::Debug::DebugOn();
-
-   e1 = new gdcm::File();
+   char *fileName = am->ArgMgrWantString("filein",usage);
 
+   int loadMode;
    if ( am->ArgMgrDefined("noshadow") && am->ArgMgrDefined("noseq") )
-       e1->SetLoadMode(NO_SEQ | NO_SHADOW);  
+       loadMode = NO_SEQ | NO_SHADOW;  
    else if ( am->ArgMgrDefined("noshadow") )
-      e1->SetLoadMode(NO_SHADOW);
+      loadMode = NO_SHADOW;
    else if ( am->ArgMgrDefined("noseq") )
-      e1->SetLoadMode(NO_SEQ);
+      loadMode = NO_SEQ;
+   else
+      loadMode = 0;
 
    int level = am->ArgMgrGetInt("level", 2);
 
+   if (am->ArgMgrDefined("debug"))
+      gdcm::Debug::DebugOn();
+
+   bool showlut = ( 0 != am->ArgMgrDefined("SHOWLUT") );
+ 
    /* if unused Param we give up */
    if ( am->ArgMgrPrintUnusedLabels() )
    { 
       am->ArgMgrUsage(usage);
-      delete e1;
       delete am;
       return 0;
    } 
-   bool res; 
+
+   delete am;  // we don't need Argument Manager any longer
+
+   // ----------- End Arguments Manager ---------
  
    // gdcm::File::IsReadable() is no usable here, because we deal with
    // any kind of gdcm-Parsable *document* 
    // not only gdcm::File (as opposed to gdcm::DicomDir)
 
-   res = e1->Load( fileName );
+   gdcm::File *e1 = new gdcm::File();
+   e1->SetLoadMode(loadMode);
+
+   bool res = e1->Load( fileName );
    if ( !res )
    {
       delete e1;
-      delete am;
       return 0;
    }
 
-   f1 = new gdcm::FileHelper(e1);
+   gdcm::FileHelper *f1 = new gdcm::FileHelper(e1);
    f1->SetPrintLevel( level );
 
    f1->Print();   
@@ -119,11 +123,11 @@ int main(int argc, char *argv[])
              << "] "<< std::endl;
 
    int numberOfScalarComponents=e1->GetNumberOfScalarComponents();
-   std::cout << " NumberOfScalarComponents = " << numberOfScalarComponents <<std::endl
+   std::cout << " NumberOfScalarComponents = " << numberOfScalarComponents 
+             <<std::endl
              << " LUT = " << (e1->HasLUT() ? "TRUE" : "FALSE")
              << std::endl;
 
-  
    if ( e1->GetEntryValue(0x0002,0x0010) == gdcm::GDCM_NOTLOADED ) 
    {
       std::cout << "Transfer Syntax not loaded. " << std::endl
@@ -133,9 +137,38 @@ int main(int argc, char *argv[])
    }
   
    std::string transferSyntaxName = e1->GetTransferSyntaxName();
-   std::cout << " TransferSyntaxName= [" << transferSyntaxName << "]" << std::endl;
+   std::cout << " TransferSyntaxName= [" << transferSyntaxName << "]" 
+             << std::endl;
    std::cout << " SwapCode= " << e1->GetSwapCode() << std::endl;
-   
+ 
+   // Display the LUT as an int array (for degugging purpose)
+   if ( e1->HasLUT() && showlut )
+   {
+      uint8_t* lutrgba = f1->GetLutRGBA();
+      if ( lutrgba == 0 )
+      {
+         std::cout << "Lut RGBA not built ?!?" << std::endl;
+      }
+      else
+      {
+         if ( f1->GetLutItemSize() == 8 )
+         {
+            for (int i=0;i<f1->GetLutItemNumber();i++)
+               std::cout << (int)(lutrgba[i*4])   << " "
+                         << (int)(lutrgba[i*4+1]) << " "
+                         << (int)(lutrgba[i*4+2]) << std::endl;
+         }
+         else // LutItemSize assumed to be = 16
+         {
+            uint16_t* lutrgba16 = (uint16_t*)lutrgba;
+            for (int i=0;i<f1->GetLutItemNumber();i++)
+               std::cout << lutrgba16[i*4]   << " "
+                         << lutrgba16[i*4+1] << " "
+                         << lutrgba16[i*4+2] << std::endl;
+         }
+      }
+   }
+     
    if(e1->IsReadable())
       std::cout <<std::endl<<fileName<<" is Readable"<<std::endl;
    else
@@ -143,7 +176,5 @@ int main(int argc, char *argv[])
    std::cout<<std::flush;
    delete e1;
    delete f1;
-   delete am;
-   return 0;
-   
+   return 0;   
 }