def __init__(self, experiment, auto_prepare=True, **style_args):
Canvas.__init__(self,
experiment,
auto_prepare=auto_prepare,
**style_args)
PsychoCoordinates.__init__(self)
self.clear()
def prepare(self):
"""
desc:
Finishes pending canvas operations (if any), so that a subsequent
call to [canvas.show] is extra fast. It's only necessary to call
this function if you have disabled `auto_prepare` in
[canvas.__init__].
"""
self.surface.fill(self.background_color.backend_color)
Canvas.prepare(self)
def _set_background(self):
if u'__background__' in self:
del self['__background__']
self['__background__'] = Rect(self.left,
self.top,
self.width,
self.height,
color=self.background_color.colorspec,
fill=True)
Canvas.lower_to_bottom(self, u'__background__')
def __init__(self, experiment, auto_prepare=True, **style_args):
Canvas.__init__(self,
experiment,
auto_prepare=auto_prepare,
**style_args)
LegacyCoordinates.__init__(self)
self.antialias = True
self.surface = self.experiment.surface.copy()
self.clear()
if platform.system() == u'Darwin':
self.show = self._show_macos
def copy(self, canvas):
self.surface = canvas.surface.copy()
Canvas.copy(self, canvas)
def set_config(self, **cfg):
Canvas.set_config(self, **cfg)
if hasattr(self, u'surface'):
self.redraw()
def lower_to_bottom(self, element):
Canvas.lower_to_bottom(self, element)
Canvas.lower_to_bottom(self, u'__background__')
def set_config(self, **cfg):
Canvas.set_config(self, **cfg)
if u'background_color' in cfg and hasattr(self, u'_elements'):
self._set_background()
def __init__(self, experiment):
Canvas.__init__(self, experiment)
Coordinates.__init__(self)
def set_config(self, **cfg):
Canvas.set_config(self, **cfg)
if u'background_color' in cfg:
self._set_background()