lib/cpPlugins/ProcessObject.cxx

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