lib/cpPlugins/ProcessObject.cxx

   1 #include <cpPlugins/ProcessObject.h>
   2 #include <cpPlugins/ParametersQtDialog.h>
   3 #include <itkProcessObject.h>
   4 #include <itkExceptionObject.h>
   5
   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 bool cpPlugins::ProcessObject::
  99 SetInputPort( const std::string& id, const OutputPort& port )
 100 {
 101   auto i = this->m_Inputs.find( id );
 102   if( i != this->m_Inputs.end( ) )
 103   {
 104     if( i->second.GetPointer( ) != port.GetPointer( ) )
 105     {
 106       i->second = port;
 107       this->Modified( );
 108
 109     } // fi
 110     return( true );
 111   }
 112   else
 113     return( false );
 114 }
 115
 116 // -------------------------------------------------------------------------
 117 void cpPlugins::ProcessObject::
 118 DisconnectInputs( )
 119 {
 120   auto i = this->m_Inputs.begin( );
 121   for( ; i != this->m_Inputs.end( ); ++i )
 122     i->second = NULL;
 123   this->Modified( );
 124 }
 125
 126 // -------------------------------------------------------------------------
 127 void cpPlugins::ProcessObject::
 128 DisconnectOutputs( )
 129 {
 130   auto i = this->m_Outputs.begin( );
 131   for( ; i != this->m_Outputs.end( ); ++i )
 132     if( i->second.IsValid( ) )
 133       i->second->DisconnectFromPipeline( );
 134   this->Modified( );
 135 }
 136
 137 // -------------------------------------------------------------------------
 138 void cpPlugins::ProcessObject::
 139 Disconnect( )
 140 {
 141   this->DisconnectInputs( );
 142   this->DisconnectOutputs( );
 143 }
 144
 145 // -------------------------------------------------------------------------
 146 void cpPlugins::ProcessObject::
 147 Modified( ) const
 148 {
 149   this->Superclass::Modified( );
 150   this->m_LastExecutionSpan = -1;
 151 }
 152
 153 // -------------------------------------------------------------------------
 154 itk::ModifiedTimeType cpPlugins::ProcessObject::
 155 GetMTime( ) const
 156 {
 157   auto params_time = this->m_Parameters.GetMTime( );
 158   auto filter_time = this->Superclass::GetMTime( );
 159   return( ( params_time > filter_time )? params_time: filter_time );
 160 }
 161
 162 // -------------------------------------------------------------------------
 163 void cpPlugins::ProcessObject::
 164 Update( )
 165 {
 166   // Force upstream updates
 167   auto i = this->m_Inputs.begin( );
 168   bool need_to_update = false;
 169   for( ; i != this->m_Inputs.end( ); ++i )
 170   {
 171     bool iv = i->second.IsValid( );
 172     bool ir = i->second.IsRequired( );
 173     if( !iv && ir )
 174       this->_Error(
 175         std::string( "Required input \"" ) + i->first +
 176         std::string( "\" is not valid." )
 177         );
 178     if( iv )
 179     {
 180       Self* src = dynamic_cast< Self* >( i->second->GetSource( ) );
 181       if( src != NULL )
 182       {
 183         need_to_update |= ( this->m_LastExecutionTime < src->GetMTime( ) );
 184         src->Update( );
 185
 186       } // fi
 187
 188     } // fi
 189
 190   } // rof
 191
 192   // Current update
 193   if( this->m_LastExecutionTime < this->GetMTime( ) || need_to_update )
 194   {
 195     if( this->m_PrintExecution && this->m_PrintExecutionStream != NULL )
 196     {
 197       *( this->m_PrintExecutionStream )
 198         << "cpPlugins: Updating \""
 199         << this->GetClassCategory( ) << ":" << this->GetClassName( )
 200         << "\"... ";
 201       this->m_PrintExecutionStream->flush( );
 202
 203     } // fi
 204
 205     auto t_start = cpPlugins_CHRONO;
 206     this->_GenerateData( );
 207     auto t_end = cpPlugins_CHRONO;
 208     this->m_LastExecutionSpan = long( t_end - t_start );
 209     this->m_LastExecutionTime = this->GetMTime( );
 210
 211     if( this->m_PrintExecution && this->m_PrintExecutionStream != NULL )
 212     {
 213       *( this->m_PrintExecutionStream )
 214         << "done in "
 215         << double( this->m_LastExecutionSpan ) / double( 1000 )
 216         << " s." << std::endl;
 217
 218     } // fi
 219
 220   } // fi
 221 }
 222
 223 // -------------------------------------------------------------------------
 224 cpPlugins::ParametersQtDialog* cpPlugins::ProcessObject::
 225 CreateQtDialog( )
 226 {
 227 #ifdef cpPlugins_QT4
 228   ParametersQtDialog* dlg = NULL;
 229   if( QApplication::instance( ) != NULL )
 230   {
 231     dlg = new ParametersQtDialog( );
 232     dlg->setProcessObject( this );
 233
 234   } // fi
 235   return( dlg );
 236 #else // cpPlugins_QT4
 237   return( NULL );
 238 #endif // cpPlugins_QT4
 239 }
 240
 241 // -------------------------------------------------------------------------
 242 bool cpPlugins::ProcessObject::
 243 IsInteractive( )
 244 {
 245   return( false );
 246 }
 247
 248 // -------------------------------------------------------------------------
 249 void cpPlugins::ProcessObject::
 250 SetInteractionObjects( const std::vector< void* >& objs )
 251 {
 252   // Do nothing
 253 }
 254
 255 // -------------------------------------------------------------------------
 256 cpPlugins::ProcessObject::
 257 ProcessObject( )
 258   : Superclass( ),
 259     m_LastExecutionTime( 0 ),
 260     m_LastExecutionSpan( -1 ),
 261     m_PrintExecution( false ),
 262     m_PrintExecutionStream( &( std::cout ) )
 263 {
 264 }
 265
 266 // -------------------------------------------------------------------------
 267 cpPlugins::ProcessObject::
 268 ~ProcessObject( )
 269 {
 270 }
 271
 272 // -------------------------------------------------------------------------
 273 void cpPlugins::ProcessObject::
 274 _AddInput( const std::string& name, bool required )
 275 {
 276   auto i = this->m_Inputs.find( name );
 277   if( i == this->m_Inputs.end( ) )
 278   {
 279     this->m_Inputs[ name ] = InputPort( required );
 280     this->Modified( );
 281
 282   } // fi
 283 }
 284
 285 // -------------------------------------------------------------------------
 286 void cpPlugins::ProcessObject::
 287 _Error( const std::string& error )
 288 {
 289   if( error != "" )
 290   {
 291     itkExceptionMacro(
 292       "Error: \"" << this->GetClassCategory( ) << "::" <<
 293       this->GetClassName( ) << "\": " << error
 294       );
 295
 296   } // fi
 297 }
 298
 299 // eof - $RCSfile$