async def render(self):
if self.height:
clip = page.Viewport(x=0,
y=0,
width=self.width,
height=self.height,
scale=1)
elif self.region:
left, top, right, bottom = self.region
clip = page.Viewport(x=left,
y=top,
width=right - left,
height=bottom - top,
scale=1)
else:
clip = page.Viewport(
x=0,
y=0,
width=self.tab.viewport.width,
height=self.tab.viewport.height,
scale=1,
)
self.logger.debug("image render: output size=%s, viewport=%s" % (
'{}x{}'.format(clip.width, clip.height),
'{}x{}, {}x{}'.format(clip.x, clip.y, clip.x + clip.width,
clip.y + clip.height),
))
res = await self.tab.send_command(
page.Page.captureScreenshot(
format=self.image_format,
clip=clip if self.region or self.height else None,
))
return res['ack']['result']['data']
def __init__(
self,
viewport: Union['Page.Viewport', dict],
):
if isinstance(viewport, dict):
viewport = Page.Viewport(**viewport)
self.viewport = viewport