def __call__( self, duration, var, v1, v2 = None, **params ):
kw = self.params.copy()
kw.update( params )
type = var.type
now = anim.get(var)
if kw.has_key('rel') and kw['rel']:
if v2 is None:
start, end = now, now+v1
else:
start, end = now+v1, now+v2
else:
if v2 is None:
start, end = now, v1
else:
start, end = v1, v2
if not kw.has_key('style'):
style = _LinearTransition
else:
try:
style = Transition.styles[kw['style']]
except KeyError:
raise ValueError, "unknown transition style \"%s\"" % kw['style']
starttime = anim.current_time()
interp = style( starttime, duration, start, end, kw, type )
if duration > 0.0:
var.add_span( starttime, starttime+duration, interp )
var.add_span( starttime+duration, None, end )
anim.advance_clock( duration )
def __call__(self, duration, var, v1, v2=None, **params):
kw = self.params.copy()
kw.update(params)
type = var.type
now = anim.get(var)
if kw.has_key('rel') and kw['rel']:
if v2 is None:
start, end = now, now + v1
else:
start, end = now + v1, now + v2
else:
if v2 is None:
start, end = now, v1
else:
start, end = v1, v2
if not kw.has_key('style'):
style = _LinearTransition
else:
try:
style = Transition.styles[kw['style']]
except KeyError:
raise ValueError, "unknown transition style \"%s\"" % kw[
'style']
starttime = anim.current_time()
interp = style(starttime, duration, start, end, kw, type)
if duration > 0.0:
var.add_span(starttime, starttime + duration, interp)
var.add_span(starttime + duration, None, end)
anim.advance_clock(duration)
def __call__( self, var, **overridekw ):
kw = self.params.copy()
kw.update( overridekw )
style, period, duration, min, max = self.parse_dictionary( kw )
starttime = anim.current_time()
interp = style( starttime, period, min, max )
if duration is None:
# run undulator from now until end of time
var.add_span( starttime, None, interp )
else:
# run undulator for finite time and then stop
var.add_span( starttime, starttime+duration, interp )
var.add_span( starttime+duration, None, interp(starttime+duration) )
anim.advance_clock( duration )
def __call__(self, var, **overridekw):
kw = self.params.copy()
kw.update(overridekw)
style, period, duration, min, max = self.parse_dictionary(kw)
starttime = anim.current_time()
interp = style(starttime, period, min, max)
if duration is None:
# run undulator from now until end of time
var.add_span(starttime, None, interp)
else:
# run undulator for finite time and then stop
var.add_span(starttime, starttime + duration, interp)
var.add_span(starttime + duration, None,
interp(starttime + duration))
anim.advance_clock(duration)