def _setup_lighting(self):
"""
[private method]
Set up lighting in the model.
[Called from both initializeGL and paintGL.]
"""
# note: there is some duplicated code in this method
# in GLPane_lighting_methods (has more comments) and ThumbView,
# but also significant differences. Should refactor sometime.
# [bruce 060415/080912 comment]
glEnable(GL_NORMALIZE)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#bruce 060415 moved following from ThumbView.initializeGL to this split-out method...
#bruce 051212 revised lighting code to share prefs and common code with GLPane
# (to fix bug 1200 and mitigate bugs 475 and 1158;
# fully fixing those would require updating lighting in all ThumbView widgets
# whenever lighting prefs change, including making .update calls on them,
# and is not planned for near future since it's easy enough to close & reopen them)
try:
lights = self.shareWidget._lights #bruce 060415 shareWidget --> self.shareWidget; presumably always failed before that
###@@@ will this fix some bugs about common lighting prefs??
except:
lights = _default_lights
setup_standard_lights(lights, self.glprefs)
return
def _setup_lighting(self):
"""
[private method]
Set up lighting in the model (according to self._lights).
[Called from both initializeGL and paintGL.]
"""
# note: there is some duplicated code in this method
# in GLPane_lighting_methods (has more comments) and ThumbView,
# but also significant differences. Should refactor sometime.
# [bruce 060415/080912 comment]
glEnable(GL_NORMALIZE)
# bruce comment 050311: I don't know if this relates to lighting or not
# grantham 20051121: Yes, if NORMALIZE is not enabled (and normals
# aren't unit length or the modelview matrix isn't just rotation)
# then the lighting equation can produce unexpected results.
#bruce 050413 try to fix bug 507 in direction of lighting:
##k might be partly redundant now; not sure whether projection matrix needs to be modified here [bruce 051212]
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#bruce 051212 moved most code from this method into new function, setup_standard_lights
setup_standard_lights( self._lights, self.glprefs)
# record what glprefs data was used by that, for comparison to see when we need to call it again
# (not needed for _lights since another system tells us when that changes)
self._last_glprefs_data_used_by_lights = glprefs_data_used_by_setup_standard_lights( self.glprefs)
return
def _setup_lighting(self):
"""
[private method]
Set up lighting in the model.
[Called from both initializeGL and paintGL.]
"""
# note: there is some duplicated code in this method
# in GLPane_lighting_methods (has more comments) and ThumbView,
# but also significant differences. Should refactor sometime.
# [bruce 060415/080912 comment]
glEnable(GL_NORMALIZE)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#bruce 060415 moved following from ThumbView.initializeGL to this split-out method...
#bruce 051212 revised lighting code to share prefs and common code with GLPane
# (to fix bug 1200 and mitigate bugs 475 and 1158;
# fully fixing those would require updating lighting in all ThumbView widgets
# whenever lighting prefs change, including making .update calls on them,
# and is not planned for near future since it's easy enough to close & reopen them)
try:
lights = self.shareWidget._lights #bruce 060415 shareWidget --> self.shareWidget; presumably always failed before that
###@@@ will this fix some bugs about common lighting prefs??
except:
lights = _default_lights
setup_standard_lights( lights, self.glprefs)
return
def _setup_lighting(self):
"""
[private method]
Set up lighting in the model (according to self._lights).
[Called from both initializeGL and paintGL.]
"""
# note: there is some duplicated code in this method
# in GLPane_lighting_methods (has more comments) and ThumbView,
# but also significant differences. Should refactor sometime.
# [bruce 060415/080912 comment]
glEnable(GL_NORMALIZE)
# bruce comment 050311: I don't know if this relates to lighting or not
# grantham 20051121: Yes, if NORMALIZE is not enabled (and normals
# aren't unit length or the modelview matrix isn't just rotation)
# then the lighting equation can produce unexpected results.
#bruce 050413 try to fix bug 507 in direction of lighting:
##k might be partly redundant now; not sure whether projection matrix needs to be modified here [bruce 051212]
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#bruce 051212 moved most code from this method into new function, setup_standard_lights
setup_standard_lights(self._lights, self.glprefs)
# record what glprefs data was used by that, for comparison to see when we need to call it again
# (not needed for _lights since another system tells us when that changes)
self._last_glprefs_data_used_by_lights = glprefs_data_used_by_setup_standard_lights(
self.glprefs)
return
