""" This module loads the entire VTK library into its namespace.  It
also allows one to use specific packages inside the vtk directory.."""

from __future__ import absolute_import

import os
import sys


# The dl module is used to force the symbols in the loaded VTK modules to
# be global, that is, to force symbols to be shared between modules.  This
# used to be necessary in VTK 4 but might not be with VTK 5 and later.

# The first "except" is because systems like AIX don't have the dl module.
# The second "except" is because the dl module raises a system error on
# ia64 and x86_64 systems because "int" and addresses are different sizes.
try:
    import dl
except ImportError:
    # do not give up too early:
    # are we on AMD64 ?
    try:
      import DLFCN as dl
    except ImportError:
      dl = None
except SystemError:
    dl = None

# set the dlopen flags so that VTK does not run into problems with
# shared symbols.
try:
    # only Python >= 2.2 has this functionality
    orig_dlopen_flags = sys.getdlopenflags()
except AttributeError:
    orig_dlopen_flags = None

if dl and (os.name == 'posix'):
    sys.setdlopenflags(dl.RTLD_NOW|dl.RTLD_GLOBAL)

# --------------------------------------
from .vtkCommonCore import *
from .vtkCommonMath import *
from .vtkCommonMisc import *
from .vtkCommonSystem import *
from .vtkCommonTransforms import *
from .vtkCommonDataModel import *
from .vtkCommonColor import *
from .vtkCommonExecutionModel import *
from .vtkFiltersCore import *
from .vtkCommonComputationalGeometry import *
from .vtkFiltersGeneral import *
from .vtkImagingCore import *
from .vtkImagingFourier import *
from .vtkFiltersStatistics import *
from .vtkFiltersExtraction import *
from .vtkInfovisCore import *
from .vtkFiltersGeometry import *
from .vtkFiltersSources import *
from .vtkRenderingCore import *
from .vtkRenderingFreeType import *
from .vtkRenderingContext2D import *
from .vtkChartsCore import *
from .vtkIOCore import *
from .vtkIOGeometry import *
from .vtkIOXMLParser import *
from .vtkIOXML import *
from .vtkDomainsChemistry import *
from .vtkIOImage import *
from .vtkImagingHybrid import *
from .vtkRenderingOpenGL2 import *
from .vtkDomainsChemistryOpenGL2 import *
from .vtkIOLegacy import *
from .vtkParallelCore import *
from .vtkFiltersAMR import *
from .vtkFiltersFlowPaths import *
from .vtkFiltersGeneric import *
from .vtkImagingSources import *
from .vtkFiltersHybrid import *
from .vtkFiltersHyperTree import *
from .vtkImagingGeneral import *
from .vtkFiltersImaging import *
from .vtkFiltersModeling import *
from .vtkFiltersParallel import *
from .vtkFiltersParallelImaging import *
from .vtkFiltersProgrammable import *
from .vtkFiltersPython import *
from .vtkFiltersSMP import *
from .vtkFiltersSelection import *
from .vtkFiltersTexture import *
from .vtkFiltersVerdict import *
from .vtkInfovisLayout import *
from .vtkInteractionStyle import *
from .vtkImagingColor import *
from .vtkRenderingAnnotation import *
from .vtkRenderingVolume import *
from .vtkInteractionWidgets import *
from .vtkViewsCore import *
from .vtkGeovisCore import *
from .vtkIOAMR import *
from .vtkIOEnSight import *
from .vtkIOExodus import *
from .vtkRenderingLabel import *
from .vtkIOExport import *
from .vtkIOImport import *
from .vtkIOInfovis import *
from .vtkIOLSDyna import *
from .vtkIOMINC import *
from .vtkIOMovie import *
from .vtkIONetCDF import *
from .vtkIOPLY import *
from .vtkIOParallel import *
from .vtkIOParallelXML import *
from .vtkIOSQL import *
from .vtkIOVideo import *
from .vtkImagingMath import *
from .vtkImagingMorphological import *
from .vtkImagingStatistics import *
from .vtkImagingStencil import *
from .vtkInteractionImage import *
from .vtkRenderingContextOpenGL2 import *
from .vtkRenderingImage import *
from .vtkRenderingLOD import *
from .vtkRenderingVolumeOpenGL2 import *
from .vtkViewsContext2D import *
from .vtkViewsInfovis import *
# --------------------------------------

# useful macro for getting type names
__vtkTypeNameDict = {VTK_VOID:"void",
                     VTK_DOUBLE:"double",
                     VTK_FLOAT:"float",
                     VTK_LONG:"long",
                     VTK_UNSIGNED_LONG:"unsigned long",
                     VTK_INT:"int",
                     VTK_UNSIGNED_INT:"unsigned int",
                     VTK_SHORT:"short",
                     VTK_UNSIGNED_SHORT:"unsigned short",
                     VTK_CHAR:"char",
                     VTK_UNSIGNED_CHAR:"unsigned char",
                     VTK_SIGNED_CHAR:"signed char",
                     VTK_LONG_LONG:"long long",
                     VTK_UNSIGNED_LONG_LONG:"unsigned long long",
                     VTK___INT64:"__int64",
                     VTK_UNSIGNED___INT64:"unsigned __int64",
                     VTK_ID_TYPE:"vtkIdType",
                     VTK_BIT:"bit"}

def vtkImageScalarTypeNameMacro(type):
  return __vtkTypeNameDict[type]

# import convenience decorators
from .util.misc import calldata_type

# import the vtkVariant helpers
from .util.vtkVariant import *

# reset the dlopen flags to the original state if possible.
if dl and (os.name == 'posix') and orig_dlopen_flags:
    sys.setdlopenflags(orig_dlopen_flags)

# removing things the user shouldn't have to see.
del orig_dlopen_flags
del sys, dl, os
