# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
#                        pour la Santé©
# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
# Previous Authors : Laurent Guigues, Jean-Pierre Roux
# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
#
#  This software is governed by the CeCILL-B license under French law and 
#  abiding by the rules of distribution of free software. You can  use, 
#  modify and/ or redistribute the software under the terms of the CeCILL-B 
#  license as circulated by CEA, CNRS and INRIA at the following URL 
#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
#  or in the file LICENSE.txt.
#
#  As a counterpart to the access to the source code and  rights to copy,
#  modify and redistribute granted by the license, users are provided only
#  with a limited warranty  and the software's author,  the holder of the
#  economic rights,  and the successive licensors  have only  limited
#  liability. 
#
#  The fact that you are presently reading this means that you have had
#  knowledge of the CeCILL-B license and that you accept its terms.
# ------------------------------------------------------------------------ */ 


MACRO(CREA_FIND_AND_USE_VTK)
  #---------------------------------------------------------------------------
  IF(NOT VTK_FOUND)
    # Search VTK
	message("DFCH--VTK: CREAMacro_FindAndUseVTK.cmake: " ${CMAKE_CURRENT_LIST_FILE})
	message("DFCH--VTK: CREAMacro_FindAndUseVTK.cmake: " ${_IMPORT_PREFIX})
    FIND_PACKAGE(VTK)
    # If vtk found
    IF(VTK_FOUND)

      MESSAGE ( STATUS "=======================================")
      MESSAGE ( STATUS "Looking for VTK... found")
      MESSAGE ( STATUS "* Dir     = ${VTK_DIR}")
      MESSAGE ( STATUS "* Version = ${VTK_MAJOR_VERSION}.${VTK_MINOR_VERSION}.${VTK_BUILD_VERSION}")
      SET(VTK_BUILD_SETTINGS_FILE OFF)      
	INCLUDE(${VTK_USE_FILE})
	LINK_DIRECTORIES(${VTK_DIR}) #DFCH -- 16/7/2012

	IF(VTK_USE_GL2PS)
           	add_definitions(-DUSE_WXGLCANVAS)
	  	# CMake 2.6:
		# technically those packages are not required since one can still use the Motif/X11 version and not the gtk one:
    		FIND_PACKAGE(PkgConfig)
    		pkg_check_modules (GTK2 gtk+-2.0)
    		#MESSAGE("${GTK2_INCLUDE_DIRS}")
    		INCLUDE_DIRECTORIES(${GTK2_INCLUDE_DIRS})
    		LINK_LIBRARIES(${GTK2_LIBRARIES})
message("EED CREAMacro_FindAndUseVTK.cmake  GTK2_INCLUDE_DIRS "${GTK2_INCLUDE_DIRS} )
message("EED CREAMacro_FindAndUseVTK.cmake  GTK2_VERSION "${GTK2_VERSION} )
    		# Can I require all my user to have the gl lib on linux, even if they do not really need it...
    		SET(WXGLCANVASLIBS "gl")
	ENDIF(VTK_USE_GL2PS)  

      CREA_DEFINE( USE_VTK )
      CREA_DEFINE( _USE_VTK_ )

##EED 2017-01-01 Migration VTK7
IF("${VTK_MAJOR_VERSION}" LESS 6)
	SET(VTK_LIBRARIES
		vtkCommon     # Mandatory
		vtkFiltering  # vtkImageData
		vtkRendering  # vtkProp3D
		vtkWidgets    # vtkImagePlaneWidget
		vtkIO         # vtkMetaImageReader/Writer
		vtkImaging    # filters such as vtkImageAnisotropicDiffusion3D
		vtkGraphics   # vtkContourFilter, sources
		vtkVolumeRendering # Mappers 
		vtkGenericFiltering
		vtkHybrid
#		vtkInfovis
#		vtkViews
	)
	IF(NOT USE_ITK)
		SET(VTK_LIBRARIES ${VTK_LIBRARIES} vtkIO)
    ENDIF(NOT USE_ITK)

ENDIF("${VTK_MAJOR_VERSION}" LESS 6)


##EED 2017-01-01 Migration VTK7
#IF("${VTK_MAJOR_VERSION}" GREATER 5)
#	SET(VTK_LIBRARIES
#	    vtkalglib                       
#	    vtkFiltersHybrid           
#	    vtkImagingCore           
#	    vtkIOLegacy        
#	    vtkRenderingAnnotation
#	    vtkChartsCore
#	    vtkFiltersHyperTree        
#	    vtkImagingFourier        
#	    vtkIOLSDyna        
#	    vtkRenderingContext2D
#	    vtkCommonColor                  
#	    vtkFiltersImaging          
#	    vtkImagingGeneral        
#	    vtkIOMINC          
#	    vtkCommonComputationalGeometry  
#	    vtkFiltersModeling         
#	    vtkImagingHybrid         
#	    vtkIOMovie         
#	    vtkRenderingCore
#	    vtkCommonCore                   
#	    vtkFiltersParallel         
#	    vtkImagingMath           
#	    vtkIONetCDF        
#	    vtkRenderingFreeType
#	    vtkCommonDataModel              
#	    vtkFiltersParallelImaging  
#	    vtkImagingMorphological  
#	    vtkIOParallel      
#	    vtkCommonExecutionModel         
#	    vtkFiltersPoints           
#	    vtkImagingSources        
#	    vtkIOParallelXML   
#	    vtkRenderingImage
#	    vtkCommonMath                   
#	    vtkFiltersProgrammable     
#	    vtkImagingStatistics     
#	    vtkIOPLY           
#	    vtkRenderingLabel
#	    vtkCommonMisc                   
#	    vtkFiltersSelection        
#	    vtkImagingStencil        
#	    vtkIOSQL           
#	    vtkRenderingLOD
#	    vtkCommonSystem                 
#	    vtkFiltersSMP              
#	    vtkInfovisCore           
#	    vtkIOTecplotTable  
#	    vtkCommonTransforms             
#	    vtkFiltersSources          
#	    vtkInfovisLayout         
#	    vtkIOVideo         
#	    vtkDICOMParser                  
#	    vtkFiltersStatistics       
#	    vtkInteractionImage      
#	    vtkIOXML           
#	    vtkRenderingVolume
#	    vtkDomainsChemistry             
#	    vtkFiltersTexture          
#	    vtkInteractionStyle      
#	    vtkIOXMLParser     
#	    vtkFiltersVerdict          
#	    vtkInteractionWidgets    
#	    vtkjpeg            
#	    vtksqlite
#	    vtkexoIIc                       
#	    vtkfreetype                
#	    vtkIOAMR                 
#	    vtkjsoncpp         
#	    vtksys
#	    vtkexpat                        
#	    vtkGeovisCore              
#	    vtkIOCore                
#	    vtklibxml2         
#	    vtktiff
#	    vtkFiltersAMR                   
#	    vtkgl2ps                   
#	    vtkIOEnSight             
#	    vtkmetaio          
##	    vtkverdict
#	    vtkFiltersCore                  
#	    vtkIOExodus              
#	    vtkNetCDF          
#	    vtkViewsContext2D
#	    vtkFiltersExtraction            
#	    vtkIOExport              
#	    vtkViewsCore
#	    vtkFiltersFlowPaths             
#	    vtkIOGeometry            
#	    vtkoggtheora       
#	    vtkViewsGeovis
#	    vtkFiltersGeneral               
#	    vtkhdf5                    
#	    vtkIOImage               
#	    vtkParallelCore    
#	    vtkViewsInfovis
#	    vtkFiltersGeneric               
#	    vtkhdf5_hl                 
#	    vtkIOImport              
#	    vtkpng             
#	    vtkFiltersGeometry              
#	    vtkImagingColor            
#	    vtkIOInfovis             
#	    vtkproj4               
#	    vtkzlib
#
##	    vtkRenderingVolumeOpenGL
##	    vtkRenderingOpenGL
##	    vtkRenderingGL2PS
##	    vtkRenderingContextOpenGL
#
#	    vtkglew                    
#	    vtkRenderingVolumeOpenGL2
#	    vtkDomainsChemistryOpenGL2      
#	    vtkRenderingOpenGL2
#	    vtkRenderingGL2PSOpenGL2
#	    vtkRenderingContextOpenGL2
#	)
	IF (WIN32)
   	  SET(VTK_LIBRARIES ${VTK_LIBRARIES} )
    ELSE(WIN32)
   	  SET(VTK_LIBRARIES ${VTK_LIBRARIES}   
#	    vtkRenderingQt
#	    vtkGUISupportQt            
#	    vtkGUISupportQtSQL         
#	    vtkViewsQt
#	    vtkNetCDF_cxx      	
		)
    message("EED vtk libraries: "${VTK_LIBRARIES})
	ENDIF(WIN32)
	

  IF(VTK_USE_TDX)
	SET(VTK_LIBRARIES ${VTK_LIBRARIES}  vtkRenderingTDx )
  ENDIF(VTK_USE_TDX)

	
# ENDIF("${VTK_MAJOR_VERSION}" GREATER 5)


      	MARK_AS_ADVANCED(VTK_DIR)
    ELSE(VTK_FOUND)
      message(FATAL_ERROR "VTK_DIR not found")
    ENDIF(VTK_FOUND)
  ENDIF(NOT VTK_FOUND)  
  #---------------------------------------------------------------------------
ENDMACRO(CREA_FIND_AND_USE_VTK)