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#
# copyright_notice
#
"""glx wrappers
"""
import numpy
from opengltk.extent import _glxlib
def glXChooseVisual( dpy, screen, attribpairs):
"""
dpy - Display*
screen - int
attribpairs - seq( (attribute, value))
"""
from types import IntType
larray = numpy.zeros( 2 * len( attribpairs) + 1, numpy.int32)
idx = 0
for assg in attribpairs:
if isinstance( assg, IntType):
larray[ idx] = assg
else:
larray[ idx] = assg[ 0]
idx += 1
larray[ idx] = assg[ 1]
idx += 1
return _glxlib.glXChooseVisual( dpy, screen, larray)
def glXGetConfig( dpy, vis, attrib):
"""
dpy - Display*
vis - XVisualInfo*
attrib - int
return - int
"""
value = numpy.zeros( 1, numpy.int32)
res = _glxlib.glXGetConfig( dpy, vis, attrib, value)
if res:
from exception import Glxerror
raise Glxerror( res)
return value[ 0]
def glXQueryExtension( dpy):
"""
dpy - Display*
return - bool, int, int: support, errorBase, eventBase
"""
errorBase = numpy.zeros( 1, numpy.int32)
eventBase = numpy.zeros( 1, numpy.int32)
res = _glxlib.glXQueryExtension( dpy, errorBase, eventBase)
return res, errorBase[ 0], eventBase[ 0]
def glXQueryVersion( dpy):
"""
dpy - Display*
return - bool, int, int: support, major, minor
"""
major = numpy.zeros( 1, numpy.int32)
minor = numpy.zeros( 1, numpy.int32)
res = _glxlib.glXQueryVersion( dpy, major, minor)
return res, major[ 0], minor[ 0]
def XOpenDisplay( name=None):
if name is None:
from os import environ
name = environ[ 'DISPLAY']
return _glxlib.XOpenDisplay( name)
__all__ = [
'glXChooseVisual',
'glXGetConfig',
'glXQueryExtension',
'glXQueryVersion',
'XOpenDisplay',
]
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