def set_position(self, location):
if self._element:
element_location = self._element.location # scroll to element
if Point.from_(location) == element_location:
# hide header which hides actual element
self._driver.execute_script(
"arguments[0].style.transform='translate(0px,0px)';",
self._scroll_root_element,
)
return Point.from_(element_location)
return super(CSSMobileSafariPositionProvider,
self).set_position(location)
def parse_location_string(position):
# type: (Union[Text, Dict]) -> Point
if isinstance(position, dict):
return Point.from_(position)
xy = position.split(";")
if len(xy) != 2:
raise WebDriverException("Could not get scroll position!")
return Point(round(float(xy[0])), round(float(xy[1])))
def convert_location(self, location, from_, to): # noqa: C901
# type: (Point, CoordinatesType, CoordinatesType) -> Point
argument_guard.not_none(location)
argument_guard.not_none(from_)
argument_guard.not_none(to)
result = Point.from_(location)
if from_ == to:
return result
# If we're not inside a frame, and the screenshot is the entire
# page, then the context as-is/relative are the same (notice
# screenshot as-is might be different, e.g.,
# if it is actually a sub-screenshot of a region).
if (len(self.frame_chain) == 0
and self._screenshot_type == ScreenshotType.ENTIRE_FRAME):
if (from_ == self.CONTEXT_RELATIVE or from_
== self.CONTEXT_AS_IS) and to == self.SCREENSHOT_AS_IS:
# If this is not a sub-screenshot, this will have no effect.
result = result.offset(self._frame_location_in_screenshot)
# If this is not a region subscreenshot, this will have no effect.
result = result.offset(-self.region_window.left,
-self.region_window.top)
elif from_ == self.SCREENSHOT_AS_IS and (
to == self.CONTEXT_RELATIVE or to == self.CONTEXT_AS_IS):
result = result.offset(-self._frame_location_in_screenshot)
return result
if from_ == self.CONTEXT_AS_IS:
if to == self.CONTEXT_RELATIVE:
result = result.offset(self._current_frame_scroll_position)
elif to == self.SCREENSHOT_AS_IS:
result = result.offset(self._frame_location_in_screenshot)
else:
raise CoordinatesTypeConversionError(from_, to)
elif from_ == self.CONTEXT_RELATIVE:
if to == self.SCREENSHOT_AS_IS:
# First, convert context-relative to context-as-is.
result = result.offset(-self._current_frame_scroll_position)
# Now convert context-as-is to screenshot-as-is
result = result.offset(self._frame_location_in_screenshot)
elif to == self.CONTEXT_AS_IS:
result = result.offset(-self._current_frame_scroll_position)
else:
raise CoordinatesTypeConversionError(from_, to)
elif from_ == self.SCREENSHOT_AS_IS:
if to == self.CONTEXT_RELATIVE:
# First, convert context-relative to context-as-is.
result = result.offset(-self._frame_location_in_screenshot)
# Now convert context-as-is to screenshot-as-is
result = result.offset(self._current_frame_scroll_position)
elif to == self.CONTEXT_AS_IS:
result = result.offset(-self._frame_location_in_screenshot)
else:
raise CoordinatesTypeConversionError(from_, to)
else:
raise CoordinatesTypeConversionError(from_, to)
return result
def calc_frame_location_in_screenshot(driver, frame_chain, screenshot_type):
window_scroll = eyes_selenium_utils.get_default_content_scroll_position(
frame_chain, driver)
logger.info("Getting first frame...")
first_frame = frame_chain[0]
location_in_screenshot = Point.from_(first_frame.location)
# We only need to consider the scroll of the default content if the screenshot is a
# viewport screenshot. If this is a full page screenshot, the frame location will
# not change anyway.
if screenshot_type == ScreenshotType.VIEWPORT:
location_in_screenshot = location_in_screenshot.offset(
Point(-window_scroll.x, 0))
# For inner frames we must calculate the scroll
inner_frames = frame_chain[1:]
for frame in inner_frames:
location_in_screenshot = location_in_screenshot.offset(
frame.location - frame.parent_scroll_position)
return location_in_screenshot
def get_stitched_region(self, region, full_area, position_provider):
# type: (Region, Optional[Region], Optional[PositionProvider]) -> Image.Image
argument_guard.not_none(region)
argument_guard.not_none(position_provider)
logger.info(
"region: %s ; full_area: %s ; position_provider: %s"
% (region, full_area, position_provider.__class__.__name__)
)
origin_state = self.origin_provider.get_state()
if self.origin_provider != position_provider:
self.origin_provider.set_position(
Point.ZERO()
) # first scroll to 0,0 so CSS stitching works.
# Saving the original position (in case we were already in the outermost frame).
original_stitched_state = position_provider.get_state()
datetime_utils.sleep(self.wait_before_screenshots)
initial_screenshot = self.image_provider.get_image()
initial_size = RectangleSize.from_(initial_screenshot)
pixel_ratio = self._get_pixel_ratio(initial_screenshot)
scaled_cut_provider = self.cut_provider.scale(pixel_ratio)
cutted_initial_screenshot = self._cut_if_needed(
initial_screenshot, scaled_cut_provider
)
self.debug_screenshot_provider.save(
cutted_initial_screenshot, self._debug_msg("cutted_initial_screenshot")
)
region_in_initial_screenshot = self._get_region_in_screenshot(
region, cutted_initial_screenshot, pixel_ratio
)
cropped_initial_screenshot = self._crop_if_needed(
cutted_initial_screenshot, region_in_initial_screenshot
)
self.debug_screenshot_provider.save(
cropped_initial_screenshot, self._debug_msg("cropped_initial_screenshot")
)
scaled_initial_screenshot = image_utils.scale_image(
cropped_initial_screenshot, self.scale_provider
)
self.debug_screenshot_provider.save(
scaled_initial_screenshot, self._debug_msg("scaled_initial_screenshot")
)
if full_area is None or full_area.is_empty:
entire_size = self._get_entire_size(initial_screenshot, position_provider)
# Notice that this might still happen even if we used
# "get_image_part", since "entire_page_size" might be that of a
# frame
if (
scaled_initial_screenshot.width >= entire_size.width
and scaled_initial_screenshot.height >= entire_size.height
):
self.origin_provider.restore_state(origin_state)
return scaled_initial_screenshot
full_area = Region.from_(Point.ZERO(), entire_size)
scaled_cropped_location = full_area.location
physical_crop_location = Point.from_(scaled_cropped_location).scale(pixel_ratio)
if region_in_initial_screenshot.is_empty:
physical_crop_size = RectangleSize(
initial_size.width - physical_crop_location.x,
initial_size.height - physical_crop_location.y,
)
source_region = Region.from_(physical_crop_location, physical_crop_size)
else:
# Starting with the screenshot we already captured at (0,0).
source_region = region_in_initial_screenshot
scaled_cropped_source_rect = self.cut_provider.to_region(source_region.size)
scaled_cropped_source_rect = scaled_cropped_source_rect.offset(
source_region.left, source_region.top
)
scaled_cropped_source_region = dict(
x=int(math.ceil(scaled_cropped_source_rect.left / pixel_ratio)),
y=int(math.ceil(scaled_cropped_source_rect.top / pixel_ratio)),
width=int(math.ceil(scaled_cropped_source_rect.width / pixel_ratio)),
height=int(math.ceil(scaled_cropped_source_rect.height / pixel_ratio)),
)
scaled_cropped_size = dict(
width=scaled_cropped_source_region["width"],
height=scaled_cropped_source_region["height"],
)
# Getting the list of viewport regions composing the page
# (we'll take screenshot for each one).
if region_in_initial_screenshot.is_empty:
x = max(0, full_area.left)
y = max(0, full_area.top)
w = min(full_area.width, scaled_cropped_size["width"])
h = min(full_area.height, scaled_cropped_size["height"])
rect_in_initial_screenshot = Region(
round(x * pixel_ratio),
round(y * pixel_ratio),
round(w * pixel_ratio),
round(h * pixel_ratio),
)
else:
rect_in_initial_screenshot = region_in_initial_screenshot
screenshot_parts = self._get_image_parts(
full_area, scaled_cropped_size, pixel_ratio, rect_in_initial_screenshot
)
# Starting with element region size part of the screenshot. Use it as a size
# template.
stitched_image = Image.new("RGBA", (full_area.width, full_area.height))
# Take screenshot and stitch for each screenshot part.
stitched_image = self._stitch_screenshot(
original_stitched_state,
position_provider,
screenshot_parts,
stitched_image,
self.scale_provider.scale_ratio,
scaled_cut_provider,
)
position_provider.restore_state(original_stitched_state)
self.origin_provider.restore_state(origin_state)
return stitched_image