def __init__(self, position=None, log_comment=None):
"""Create a visual stimulus.
Parameters
----------
position : (int,int), optional
position of the stimulus
log_comment : str, optional
comment for the event log file
"""
Stimulus.__init__(self, log_comment)
if position:
self._position = list(position)
else:
self._position = list(defaults.visual_position)
self._surface = None
self._is_preloaded = False
self._parent = None
self._ogl_screen = None
self._is_compressed = False
self._compression_filename = None
self._was_compressed_before_preload = None
def __init__(self, filename):
"""Create an audio stimulus.
Parameters
----------
filename : str
the filename
"""
Stimulus.__init__(self, filename)
self._filename = filename
self._file = None
self._is_preloaded = False
if not(os.path.isfile(self._filename)):
raise IOError("The audio file {0} does not exists".format(
unicode2str(self._filename)))
def __init__(self, filename):
"""Create an audio stimulus.
Parameters
----------
filename : str
the filename
"""
Stimulus.__init__(self, filename)
self._filename = filename
self._file = None
self._is_preloaded = False
if not (os.path.isfile(self._filename)):
raise IOError("The audio file {0} does not exists".format(
unicode2str(self._filename)))
def __init__(self, filename):
"""Create an audio stimulus.
Parameters
----------
filename : str
the filename
"""
Stimulus.__init__(self, filename)
self._filename = filename
self._file = None
self._is_preloaded = False
if not (os.path.isfile(self._filename)):
if isinstance(self._filename, unicode):
import sys
filename = self._filename.encode(sys.getfilesystemencoding())
raise IOError("The audio file {0} does not exists".format(filename))
def copy(self):
"""Copy the stimulus.
Returns
-------
copy: stimulus.Audio
Returned copy will NOT be is_preloaded!
"""
was_loaded = self._is_preloaded
self.unload()
rtn = Stimulus.copy(self)
if was_loaded:
self.preload()
return rtn
def copy(self):
"""Copy the stimulus.
Returns
-------
copy: stimulus.Audio
Returned copy will NOT be is_preloaded!
"""
was_loaded = self._is_preloaded
self.unload()
rtn = Stimulus.copy(self)
if was_loaded:
self.preload()
return rtn
def copy(self):
"""Deep copy of the visual stimulus.
Returns
-------
copy : deep copy of self
Notes
-----
Depending on the size of the stimulus, this method may take some time
to compute!
"""
if self.has_surface:
surface_backup = self._get_surface().copy()
surface_copy = self._get_surface().copy()
rtn = Stimulus.copy(self)
if self.has_surface:
self._surface = surface_backup
rtn._surface = surface_copy
rtn._is_preloaded = False
rtn._ogl_screen = None
rtn._is_compressed = False
rtn._compression_filename = None
if self.is_preloaded:
if expyriment._active_exp.screen.open_gl:
self._ogl_screen = _LaminaPanelSurface(
self._get_surface(),
position=self.position)
rtn.preload()
if self.is_compressed:
rtn.compress()
rtn._was_compressed_before_preload = \
self._was_compressed_before_preload
return rtn
