Return an image (in PNG format) of the javascript-rendered page.

Return an image (in PNG format) of the javascript-rendered page.

render_png(
  splash_obj = splash_local,
  url,
  base_url = NULL,
  width,
  height,
  timeout = 30,
  resource_timeout,
  wait = 0,
  render_all = TRUE,
  proxy,
  js,
  js_src,
  filters,
  allowed_domains,
  allowed_content_types,
  forbidden_content_types,
  viewport = "full",
  images,
  headers,
  body,
  http_method,
  save_args,
  load_args,
  http2 = FALSE,
  engine = c("webkit", "chromium")
)

Arguments

splash_obj	Object created by a call to splash()
url	The URL to render (required)
base_url	The base URL to render the page with.
width, height	Resize the rendered image to the given width/height (in pixels) keeping the aspect ratio. These are optional
timeout	A timeout (in seconds) for the render (defaults to 30). Without re-configuring the start-up parameters of the Splash server (not this package) the maximum allowed value for the timeout is 60 seconds.
resource_timeout	A timeout (in seconds) for individual network requests.
wait	Time (in seconds) to wait for updates after page is loaded (defaults to 0).
render_all	If TRUE extend the viewport to include the whole webpage (possibly very tall) before rendering.
proxy	Proxy profile name or proxy URL.
js	Javascript profile name.
js_src	JavaScript code to be executed in page context.
filters	Comma-separated list of request filter names.
allowed_domains	Comma-separated list of allowed domain names. If present, Splash won’t load anything neither from domains not in this list nor from subdomains of domains not in this list.
allowed_content_types	Comma-separated list of allowed content types. If present, Splash will abort any request if the response’s content type doesn’t match any of the content types in this list. Wildcards are supported.
forbidden_content_types	Comma-separated list of forbidden content types. If present, Splash will abort any request if the response’s content type matches any of the content types in this list. Wildcards are supported.
viewport	View width and height (in pixels) of the browser viewport to render the web page. Format is “width>xheight”, e.g. 800x600. Default value is "full".
images	Whether to download images.
headers	HTTP headers to set for the first outgoing request.
body	Body of HTTP POST request to be sent if method is POST.
http_method	HTTP method of outgoing Splash request.
save_args	A list of argument names to put in cache.
load_args	Parameter values to load from cache
http2	Enable or disable HTTP2 support. TRUE to enable; FALSE to disable; defaults to FALSE when engine is webkit due to malformed behaviour in 3.4.x of Splash
engine	one of webkit or chromium; defaults to webkit

Value

a magick image object

References

Splash docs

See also

Other splash_renderers: execute_lua(), render_har(), render_html(), render_jpeg(), render_json()

Examples

# NOT RUN {
render_png(url = "https://httpbin.org/")
# }