lib/cpPlugins/ProcessObject.cxx

   1 #include <cpPlugins/ProcessObject.h>
   2 #include <cpPlugins/ParametersQtDialog.h>
   3 #include <itkProcessObject.h>
   4 #include <itkExceptionObject.h>
   5 #include <iostream>
   6 // -------------------------------------------------------------------------
   7 cpPlugins::Parameters* cpPlugins::ProcessObject::
   8 GetParameters( )
   9 {
  10   return( &( this->m_Parameters ) );
  11 }
  12
  13 // -------------------------------------------------------------------------
  14 const cpPlugins::Parameters* cpPlugins::ProcessObject::
  15 GetParameters( ) const
  16 {
  17   return( &( this->m_Parameters ) );
  18 }
  19
  20 // -------------------------------------------------------------------------
  21 void cpPlugins::ProcessObject::
  22 SetITK( itk::LightObject* o )
  23 {
  24   // Polymorphism: do nothing -> this is a filter!!!
  25 }
  26
  27 // -------------------------------------------------------------------------
  28 void cpPlugins::ProcessObject::
  29 SetVTK( vtkObjectBase* o )
  30 {
  31   // Polymorphism: do nothing -> this is a filter!!!
  32 }
  33
  34 // -------------------------------------------------------------------------
  35 std::set< std::string > cpPlugins::ProcessObject::
  36 GetInputsNames( ) const
  37 {
  38   std::set< std::string > names;
  39   for( auto i = this->m_Inputs.begin( ); i != this->m_Inputs.end( ); ++i )
  40     names.insert( i->first );
  41   return( names );
  42 }
  43
  44 // -------------------------------------------------------------------------
  45 std::set< std::string > cpPlugins::ProcessObject::
  46 GetOutputsNames( ) const
  47 {
  48   std::set< std::string > names;
  49   for( auto i = this->m_Outputs.begin( ); i != this->m_Outputs.end( ); ++i )
  50     names.insert( i->first );
  51   return( names );
  52 }
  53
  54 // -------------------------------------------------------------------------
  55 unsigned int cpPlugins::ProcessObject::
  56 GetNumberOfInputs( ) const
  57 {
  58   return( this->m_Inputs.size( ) );
  59 }
  60
  61 // -------------------------------------------------------------------------
  62 unsigned int cpPlugins::ProcessObject::
  63 GetNumberOfOutputs( ) const
  64 {
  65   return( this->m_Outputs.size( ) );
  66 }
  67
  68 // -------------------------------------------------------------------------
  69 cpPlugins::
  70 OutputPort& cpPlugins::ProcessObject::
  71 GetOutputPort( const std::string& id )
  72 {
  73   static OutputPort null_port;
  74   auto i = this->m_Outputs.find( id );
  75   if( i == this->m_Outputs.end( ) )
  76   {
  77     null_port = NULL;
  78     return( null_port );
  79   }
  80   else
  81     return( i->second );
  82 }
  83
  84 // -------------------------------------------------------------------------
  85 const cpPlugins::
  86 OutputPort& cpPlugins::ProcessObject::
  87 GetOutputPort( const std::string& id ) const
  88 {
  89   static const OutputPort null_port;
  90   auto i = this->m_Outputs.find( id );
  91   if( i == this->m_Outputs.end( ) )
  92     return( null_port );
  93   else
  94     return( i->second );
  95 }
  96
  97 // -------------------------------------------------------------------------
  98 cpPlugins::
  99 DataObject* cpPlugins::ProcessObject::
 100 GetInput( const std::string& id )
 101 {
 102   auto i = this->m_Inputs.find( id );
 103   if( i != this->m_Inputs.end( ) )
 104     return( dynamic_cast< DataObject* >( i->second.GetPointer( ) ) );
 105   else
 106     return( NULL );
 107 }
 108
 109 // -------------------------------------------------------------------------
 110 const cpPlugins::
 111 DataObject* cpPlugins::ProcessObject::
 112 GetInput( const std::string& id ) const
 113 {
 114   auto i = this->m_Inputs.find( id );
 115   if( i != this->m_Inputs.end( ) )
 116     return( dynamic_cast< const DataObject* >( i->second.GetPointer( ) ) );
 117   else
 118     return( NULL );
 119 }
 120
 121 // -------------------------------------------------------------------------
 122 cpPlugins::
 123 DataObject* cpPlugins::ProcessObject::
 124 GetOutput( const std::string& id )
 125 {
 126   auto i = this->m_Outputs.find( id );
 127   if( i != this->m_Outputs.end( ) )
 128     return( dynamic_cast< DataObject* >( i->second.GetPointer( ) ) );
 129   else
 130     return( NULL );
 131 }
 132
 133 // -------------------------------------------------------------------------
 134 const cpPlugins::
 135 DataObject* cpPlugins::ProcessObject::
 136 GetOutput( const std::string& id ) const
 137 {
 138   auto i = this->m_Outputs.find( id );
 139   if( i != this->m_Outputs.end( ) )
 140     return( dynamic_cast< const DataObject* >( i->second.GetPointer( ) ) );
 141   else
 142     return( NULL );
 143 }
 144
 145 // -------------------------------------------------------------------------
 146 bool cpPlugins::ProcessObject::
 147 SetInputPort( const std::string& id, const OutputPort& port )
 148 {
 149   auto i = this->m_Inputs.find( id );
 150   if( i != this->m_Inputs.end( ) )
 151   {
 152     if( i->second.GetPointer( ) != port.GetPointer( ) )
 153     {
 154       i->second = port;
 155       this->Modified( );
 156
 157     } // fi
 158     return( true );
 159   }
 160   else
 161     return( false );
 162 }
 163
 164 // -------------------------------------------------------------------------
 165 void cpPlugins::ProcessObject::
 166 DisconnectInputs( )
 167 {
 168   auto i = this->m_Inputs.begin( );
 169   for( ; i != this->m_Inputs.end( ); ++i )
 170     i->second = NULL;
 171   this->Modified( );
 172 }
 173
 174 // -------------------------------------------------------------------------
 175 void cpPlugins::ProcessObject::
 176 DisconnectOutputs( )
 177 {
 178   auto i = this->m_Outputs.begin( );
 179   for( ; i != this->m_Outputs.end( ); ++i )
 180     if( i->second.IsValid( ) )
 181       i->second->DisconnectFromPipeline( );
 182   this->Modified( );
 183 }
 184
 185 // -------------------------------------------------------------------------
 186 void cpPlugins::ProcessObject::
 187 Disconnect( )
 188 {
 189   this->DisconnectInputs( );
 190   this->DisconnectOutputs( );
 191 }
 192
 193 // -------------------------------------------------------------------------
 194 void cpPlugins::ProcessObject::
 195 Modified( ) const
 196 {
 197   this->Superclass::Modified( );
 198   this->m_LastExecutionSpan = -1;
 199 }
 200
 201 // -------------------------------------------------------------------------
 202 itk::ModifiedTimeType cpPlugins::ProcessObject::
 203 GetMTime( ) const
 204 {
 205   auto params_time = this->m_Parameters.GetMTime( );
 206   auto filter_time = this->Superclass::GetMTime( );
 207   return( ( params_time > filter_time )? params_time: filter_time );
 208 }
 209
 210 // -------------------------------------------------------------------------
 211 void cpPlugins::ProcessObject::
 212 Update( )
 213 {
 214   // Force upstream updates
 215   auto i = this->m_Inputs.begin( );
 216   bool need_to_update = false;
 217   for( ; i != this->m_Inputs.end( ); ++i )
 218   {
 219     bool iv = i->second.IsValid( );
 220     bool ir = i->second.IsRequired( );
 221     if( !iv && ir )
 222       this->_Error(
 223         std::string( "Required input \"" ) + i->first +
 224         std::string( "\" is not valid." )
 225         );
 226     if( iv )
 227     {
 228       Self* src = dynamic_cast< Self* >( i->second->GetSource( ) );
 229       if( src != NULL )
 230       {
 231         need_to_update |= ( this->m_LastExecutionTime < src->GetMTime( ) );
 232         src->Update( );
 233
 234       } // fi
 235
 236     } // fi
 237
 238   } // rof
 239
 240   // Current update
 241   if( this->m_LastExecutionTime < this->GetMTime( ) || need_to_update )
 242   {
 243     if( this->m_PrintExecution && this->m_PrintExecutionStream != NULL )
 244     {
 245       *( this->m_PrintExecutionStream )
 246         << "cpPlugins: Updating \""
 247         << this->GetClassCategory( ) << ":" << this->GetClassName( )
 248         << "\"... ";
 249       this->m_PrintExecutionStream->flush( );
 250
 251     } // fi
 252
 253     auto t_start = cpPlugins_CHRONO;
 254     this->_GenerateData( );
 255     auto t_end = cpPlugins_CHRONO;
 256     this->m_LastExecutionSpan = long( t_end - t_start );
 257     this->m_LastExecutionTime = this->GetMTime( );
 258
 259     if( this->m_PrintExecution && this->m_PrintExecutionStream != NULL )
 260     {
 261       *( this->m_PrintExecutionStream )
 262         << "done in "
 263         << double( this->m_LastExecutionSpan ) / double( 1000 )
 264         << " s." << std::endl;
 265
 266     } // fi
 267
 268   } // fi
 269 }
 270
 271 // -------------------------------------------------------------------------
 272 cpPlugins::ParametersQtDialog* cpPlugins::ProcessObject::
 273 CreateQtDialog( )
 274 {
 275 #ifdef cpPlugins_QT4
 276   ParametersQtDialog* dlg = NULL;
 277   if( QApplication::instance( ) != NULL )
 278   {
 279     dlg = new ParametersQtDialog( );
 280     dlg->setProcessObject( this );
 281
 282   } // fi
 283   return( dlg );
 284 #else // cpPlugins_QT4
 285   return( NULL );
 286 #endif // cpPlugins_QT4
 287 }
 288
 289 // -------------------------------------------------------------------------
 290 bool cpPlugins::ProcessObject::
 291 IsInteractive( )
 292 {
 293   return( false );
 294 }
 295
 296 // -------------------------------------------------------------------------
 297 void cpPlugins::ProcessObject::
 298 SetInteractionObjects( const std::vector< void* >& objs )
 299 {
 300   // Do nothing
 301 }
 302
 303 // -------------------------------------------------------------------------
 304 cpPlugins::ProcessObject::
 305 ProcessObject( )
 306   : Superclass( ),
 307     m_LastExecutionTime( 0 ),
 308     m_LastExecutionSpan( -1 ),
 309     m_PrintExecution( false ),
 310     m_PrintExecutionStream( &( std::cout ) )
 311 {
 312 }
 313
 314 // -------------------------------------------------------------------------
 315 cpPlugins::ProcessObject::
 316 ~ProcessObject( )
 317 {
 318 }
 319
 320 // -------------------------------------------------------------------------
 321 void cpPlugins::ProcessObject::
 322 _AddInput( const std::string& name, bool required )
 323 {
 324   auto i = this->m_Inputs.find( name );
 325   if( i == this->m_Inputs.end( ) )
 326   {
 327     this->m_Inputs[ name ] = InputPort( required );
 328     this->Modified( );
 329
 330   } // fi
 331 }
 332
 333 // -------------------------------------------------------------------------
 334 void cpPlugins::ProcessObject::
 335 _Error( const std::string& error )
 336 {
 337   if( error != "" )
 338   {
 339     itkExceptionMacro(
 340       "Error: \"" << this->GetClassCategory( ) << "::" <<
 341       this->GetClassName( ) << "\": " << error
 342       );
 343
 344   } // fi
 345 }
 346
 347 // eof - $RCSfile$