def __call__(self, *frames, **kwargs):
channel = kwargs.get('channel', lib.DefaultChannels)
c_channel = ffi.cast('ChannelType', channel)
steps = ffi.new("sanpera_evaluate_step[]", self.compiled_steps)
c_frames = ffi.new("Image *[]", [f._frame for f in frames] + [ffi.NULL])
with magick_try() as exc:
new_frame = ffi.gc(
lib.sanpera_evaluate_filter(c_frames, steps, c_channel, exc.ptr),
lib.DestroyImageList)
return Image(new_frame)
def __call__(self, *frames, **kwargs):
channel = kwargs.get('channel', lib.DefaultChannels)
c_channel = ffi.cast('ChannelType', channel)
steps = ffi.new("sanpera_evaluate_step[]", self.compiled_steps)
c_frames = ffi.new("Image *[]", [f._frame for f in frames] + [ffi.NULL])
with magick_try() as exc:
# TODO can this raise an exception /but also/ return a new value?
# is that a thing i should be handling better
new_frame = lib.sanpera_evaluate_filter(
c_frames, steps, c_channel, exc.ptr)
return Image(new_frame)
