def preview(self, input_string):
        # First, the apply.
        self.restore()
        self._apply(input_string)
Prepare the pixmap(s) for the transition.
dataset/ETHPy150Open jonathanslenders/pyvim/pyvim/commands/preview.py/CommandPreviewer.preview--crossover with--dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/q_pixmap_transition.py/QIrisTransition.preparePixmap