lib/cpExtensions/Visualization/WindowLevelImageActor.cxx

   1 #include <cpExtensions/Visualization/WindowLevelImageActor.h>
   2 #include <cpExtensions/Visualization/ImageSliceMapper.h>
   3
   4 #include <vtkImageData.h>
   5 #include <vtkImageProperty.h>
   6
   7 // -------------------------------------------------------------------------
   8 cpExtensions::Visualization::WindowLevelImageActor::
   9 Self* cpExtensions::Visualization::WindowLevelImageActor::
  10 New( )
  11 {
  12   return( new Self( ) );
  13 }
  14
  15 // -------------------------------------------------------------------------
  16 vtkImageData* cpExtensions::Visualization::WindowLevelImageActor::
  17 GetImage( )
  18 {
  19   return( this->m_Mapper->GetInput( ) );
  20 }
  21
  22 // -------------------------------------------------------------------------
  23 const vtkImageData* cpExtensions::Visualization::WindowLevelImageActor::
  24 GetImage( ) const
  25 {
  26   return( this->m_Mapper->GetInput( ) );
  27 }
  28
  29 // -------------------------------------------------------------------------
  30 void cpExtensions::Visualization::WindowLevelImageActor::
  31 SetImage( vtkImageData* image )
  32 {
  33   this->m_Mapper->SetInputData( image );
  34   image->GetScalarRange( this->m_Range );
  35   this->ResetWindowLevel( );
  36   this->Modified( );
  37 }
  38
  39 // -------------------------------------------------------------------------
  40 double cpExtensions::Visualization::WindowLevelImageActor::
  41 GetLevel( )
  42 {
  43   return( this->GetProperty( )->GetColorLevel( ) );
  44 }
  45
  46 // -------------------------------------------------------------------------
  47 double cpExtensions::Visualization::WindowLevelImageActor::
  48 GetWindow( )
  49 {
  50   return( this->GetProperty( )->GetColorWindow( ) );
  51 }
  52
  53 // -------------------------------------------------------------------------
  54 void cpExtensions::Visualization::WindowLevelImageActor::
  55 SetLevel( double l )
  56 {
  57   double old_l = this->GetProperty( )->GetColorLevel( );
  58   if( l != old_l && this->m_Range[ 0 ] <= l && l <= this->m_Range[ 1 ] )
  59   {
  60     this->GetProperty( )->SetColorLevel( l );
  61     this->Modified( );
  62
  63   } // fi
  64 }
  65
  66 // -------------------------------------------------------------------------
  67 void cpExtensions::Visualization::WindowLevelImageActor::
  68 SetWindow( double w )
  69 {
  70   double max_w = this->m_Range[ 1 ] - this->m_Range[ 0 ];
  71   double old_w = this->GetProperty( )->GetColorWindow( );
  72   if( w != old_w && double( 0 ) <= w && w <= max_w )
  73   {
  74     this->GetProperty( )->SetColorWindow( w );
  75     this->Modified( );
  76
  77   } // fi
  78 }
  79
  80 // -------------------------------------------------------------------------
  81 void cpExtensions::Visualization::WindowLevelImageActor::
  82 SetWindowLevel( double w, double l )
  83 {
  84   this->SetWindow( w );
  85   this->SetLevel( l );
  86 }
  87
  88 // -------------------------------------------------------------------------
  89 void cpExtensions::Visualization::WindowLevelImageActor::
  90 ResetWindowLevel( )
  91 {
  92   this->SetWindowLevel(
  93     this->m_Range[ 1 ] - this->m_Range[ 0 ],
  94     ( this->m_Range[ 1 ] + this->m_Range[ 0 ] ) / double( 2 )
  95     );
  96 }
  97
  98 // -------------------------------------------------------------------------
  99 void cpExtensions::Visualization::WindowLevelImageActor::
 100 ConfigureWindowLevel( double min, double max )
 101 {
 102   this->m_Range[ 0 ] = ( min < max )? min: max;
 103   this->m_Range[ 1 ] = ( min < max )? max: min;
 104   this->ResetWindowLevel( );
 105 }
 106
 107 // -------------------------------------------------------------------------
 108 void cpExtensions::Visualization::WindowLevelImageActor::
 109 GetRange( double r[ 2 ] ) const
 110 {
 111   r[ 0 ] = this->m_Range[ 0 ];
 112   r[ 1 ] = this->m_Range[ 1 ];
 113 }
 114
 115 // -------------------------------------------------------------------------
 116 cpExtensions::Visualization::WindowLevelImageActor::
 117 WindowLevelImageActor( )
 118   : Superclass( )
 119 {
 120   this->ConfigureWindowLevel( 0, 0 );
 121 }
 122
 123 // -------------------------------------------------------------------------
 124 cpExtensions::Visualization::WindowLevelImageActor::
 125 ~WindowLevelImageActor( )
 126 {
 127 }
 128
 129 // eof - $RCSfile$