src/HYDROData/HYDROData_OperationsFactory.cxx

   1 #include<HYDROData_OperationsFactory.h>
   2
   3 #include<HYDROData_Document.h>
   4 #include<HYDROData_Iterator.h>
   5
   6 #include<ImageComposer_ColorMaskOperator.h>
   7 #include<ImageComposer_CropOperator.h>
   8 #include<ImageComposer_CutOperator.h>
   9 #include<ImageComposer_FuseOperator.h>
  10
  11 #include <typeinfo>
  12
  13 // global instance
  14 HYDROData_OperationsFactory* FACTORY = 0;
  15
  16 HYDROData_OperationsFactory* HYDROData_OperationsFactory::Factory()
  17 {
  18   if (!FACTORY) {
  19     FACTORY = new HYDROData_OperationsFactory;
  20     // default operations
  21     REGISTER_HYDRO_OPERATION(ImageComposer_ColorMaskOperator)
  22     REGISTER_HYDRO_OPERATION(ImageComposer_CropOperator)
  23     REGISTER_HYDRO_OPERATION(ImageComposer_CutOperator)
  24     REGISTER_HYDRO_OPERATION(ImageComposer_FuseOperator)
  25   }
  26   return FACTORY;
  27 }
  28
  29 void HYDROData_OperationsFactory::Register(
  30   ImageComposer_Operator* theOperator)
  31 {
  32   if ( !theOperator )
  33     return;
  34
  35   FACTORY->myOps[ theOperator->name() ] = theOperator;
  36 }
  37
  38 HYDROData_OperationsFactory::HYDROData_OperationsFactory()
  39 {
  40 }
  41
  42 ImageComposer_Operator* HYDROData_OperationsFactory::Operator(
  43   Handle(HYDROData_Image) theImage ) const
  44 {
  45   // retreive operator instance by name
  46   ImageComposer_Operator* anOp = Operator( theImage->OperatorName() );
  47   if ( !anOp )
  48     return anOp;
  49
  50   // fill arguments of the operator from theImage
  51   anOp->setBinArgs( theImage->Args() );
  52
  53   return anOp;
  54 }
  55
  56 ImageComposer_Operator* HYDROData_OperationsFactory::Operator(const QString theName) const
  57 {
  58   return myOps.contains( theName ) ? myOps[ theName ] : NULL;
  59 }
  60
  61 Handle(HYDROData_Image) HYDROData_OperationsFactory::CreateImage(
  62   Handle(HYDROData_Document) theDoc, const ImageComposer_Operator* theOperator)
  63 {
  64   // create an object
  65   Handle(HYDROData_Image) anImage =
  66     Handle(HYDROData_Image)::DownCast(theDoc->CreateObject(KIND_IMAGE));
  67   // get data from operation
  68   if (theOperator) {
  69     anImage->SetOperatorName( theOperator->name() );
  70     anImage->SetArgs( theOperator->getBinArgs() );
  71   }
  72   return anImage;
  73 }