#==============================================================================
#
# Project:   SharpImage
# Module:    Flip.py
# Language:  IronPython
# Author:    Dan Mueller
# Date:      $Date: 2007-07-06 10:57:00 +1000 (Fri, 06 Jul 2007) $
# Revision:  $Revision: 2 $
#
# Copyright (c) Queensland University of Technology (QUT) 2007.
# All rights reserved.
#
# This software is distributed WITHOUT ANY WARRANTY; without even
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE.  See the above copyright notices for more information.
#
#==============================================================================

# Import the base script class
import ImageToImageScript
from ImageToImageScript import *

# Add reference and import Transform library
clr.AddReference("ManagedITK.Transforms")
from itk import *

class FlipScript(ImageToImageScriptObject):
    # -------------------------------------------------------------------------
    Name = "Flip"
    Help = """Flips an image across user specified axes.
              Example: Flip Axes=[False,True]"""
    Parameters = """(List) Axes = the axes to flip. ([True,True,.])"""
    Axes = []
    # -------------------------------------------------------------------------

    def ThreadedDoWork(self):
        """ Perform the main functions of the script on a background thread. """
        try:
            # Start
            self.StartedWork()

            # Set the default flip axes
            if (len(self.Axes) == 0):
                for i in range( self.Input.Dimension ): self.Axes[i] = True

            # Setup and run filter
            self.WriteInputName()
            filterFlip = itkFlipImageFilter.New( self.Input )
            self.AddEventHandlersToProcessObject( filterFlip )
            filterFlip.SetInput( self.Input )
            filterFlip.FlipAxes = System.Array[Boolean]( self.Axes )
            self.WriteLineToConsole( "FlipAxes=" + self.ArrayToString(self.Axes) )
            filterFlip.UpdateLargestPossibleRegion()
            filterFlip.GetOutput( self.Output )
            self.DisconnectInputAndOutput()
            self.DisposeOfObject( filterFlip )

            # Finish off
            self.WriteOutputName()
            self.FinishedWork( True )
            
        except Exception, ex:
            self.HandleException( ex )
            self.FinishedWork( False )
            self.Finalise( )