def __init__(self, parent, shareWidget, useStencilBuffer):
"""
If shareWidget is specified, useStencilBuffer is ignored: set it in the widget you're sharing with.
"""
if shareWidget:
self.shareWidget = shareWidget #bruce 051212
glformat = shareWidget.format()
QGLWidget.__init__(self, glformat, parent, shareWidget)
if not self.isSharing():
print "Request of display list sharing is failed."
return
else:
glformat = QGLFormat()
if (useStencilBuffer):
glformat.setStencil(True)
# set gl format to request stencil buffer
# (needed for mouseover-highlighting of objects of general
# shape in depositMode.bareMotion) [bruce 050610]
QGLWidget.__init__(self, glformat, parent)
# Current view attributes (sometimes saved in or loaded from
# the currently displayed part or its mmp file):
# rotation
self.quat = Q(1, 0, 0, 0)
# point of view (i.e. negative of center of view)
self.pov = V(0.0, 0.0, 0.0)
# half-height of window in Angstroms (reset by certain view-changing operations)
self.scale = float(env.prefs[startup_GLPane_scale_prefs_key])
# zoom factor
self.zoomFactor = 1.0
self.trackball = Trackball(10, 10)
self._functions_to_call_when_gl_context_is_current = []
# piotr 080714: Defined this attribute here in case
# chunk.py accesses it in ThumbView.
self.lastNonReducedDisplayMode = default_display_mode
return
def __init__(self, parent, shareWidget, useStencilBuffer):
"""
#doc
@note: If shareWidget is specified, useStencilBuffer is ignored:
set it in the widget you're sharing with.
"""
if shareWidget:
self.shareWidget = shareWidget #bruce 051212
glformat = shareWidget.format()
QGLWidget.__init__(self, glformat, parent, shareWidget)
if not self.isSharing():
assert 0, "%r refused to share GL display list namespace " \
"with %r" % (self, shareWidget)
return
else:
glformat = QGLFormat()
if (useStencilBuffer):
glformat.setStencil(True)
# set gl format to request stencil buffer
# (needed for mouseover-highlighting of objects of general
# shape in BuildAtoms_Graphicsmode.bareMotion) [bruce 050610]
if (self.useMultisample):
# use full scene anti-aliasing on hardware that supports it
# (note: setting this True works around bug 2961 on some systems)
glformat.setSampleBuffers(True)
QGLWidget.__init__(self, glformat, parent)
pass
self.glprefs = drawing_globals.glprefs
# future: should be ok if this differs for different glpanes,
# even between self and self.shareWidget. AFAIK, the refactoring
# I'm doing yesterday and today means this would work fine,
# or at least it does most of what would be required for that.
# [bruce 090304]
self._initialize_view_attributes()
# Initial value of depth "constant" (changeable by prefs.)
self.DEPTH_TWEAK = DEPTH_TWEAK_UNITS * DEPTH_TWEAK_VALUE
self.trackball = Trackball(10, 10)
self._functions_to_call_when_gl_context_is_current = []
# piotr 080714: Defined this attribute here in case
# chunk.py accesses it in ThumbView.
self.lastNonReducedDisplayMode = default_display_mode
# piotr 080807
# Most recent quaternion to be used in animation timer.
self.last_quat = None
self.transforms = [
] ### TODO: clear this at start of frame, complain if not clear
# stack of current transforms (or Nodes that generate them)
# [bruce 090220]
# Note: this may be revised once we have TransformNode,
# e.g. we might push their dt and st separately;
# note we might need to push a "slot" for them if they might
# change before being popped, or perhaps even if they might
# change between the time pushed and the time later used
# (by something that collects them from here in association
# with a ColorSortedDisplayList).
return
