def create_cros_screen_capturer(self, internal_screen=False):
"""Creates an Chrome OS screen capturer.
@param internal_screen: True to compare the internal screen on CrOS.
"""
if internal_screen:
return screen_capture.CrosInternalScreenCapturer(
self._display_facade)
else:
return screen_capture.CrosExternalScreenCapturer(
self._display_facade)
def __init__(self, display_facade, output_dir):
"""Initializes the MirrorComparer objects.
@param display_facade: A display facade object
@param output_dir: The directory for output images.
"""
self._display_facade = display_facade
int_capturer = screen_capture.CrosInternalScreenCapturer(
display_facade)
ext_capturer = screen_capture.CrosExternalScreenCapturer(
display_facade)
# The frame buffers of screens should be perfectly matched.
self._screen_comparer = screen_comparison.ScreenComparer(
int_capturer, ext_capturer, output_dir, 0, 0)