pub struct BeginFrameParams {
    pub frame_time_ticks: Option<f64>,
    pub interval: Option<f64>,
    pub no_display_updates: Option<bool>,
    pub screenshot: Option<ScreenshotParams>,
}
Expand description

Sends a BeginFrame to the target and returns when the frame was completed. Optionally captures a screenshot from the resulting frame. Requires that the target was created with enabled BeginFrameControl. Designed for use with –run-all-compositor-stages-before-draw, see also https://goo.gle/chrome-headless-rendering for more background. beginFrame

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§frame_time_ticks: Option<f64>

Timestamp of this BeginFrame in Renderer TimeTicks (milliseconds of uptime). If not set, the current time will be used.

§interval: Option<f64>

The interval between BeginFrames that is reported to the compositor, in milliseconds. Defaults to a 60 frames/second interval, i.e. about 16.666 milliseconds.

§no_display_updates: Option<bool>

Whether updates should not be committed and drawn onto the display. False by default. If true, only side effects of the BeginFrame will be run, such as layout and animations, but any visual updates may not be visible on the display or in screenshots.

§screenshot: Option<ScreenshotParams>

If set, a screenshot of the frame will be captured and returned in the response. Otherwise, no screenshot will be captured. Note that capturing a screenshot can fail, for example, during renderer initialization. In such a case, no screenshot data will be returned.

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impl BeginFrameParams

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impl BeginFrameParams

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pub const IDENTIFIER: &'static str = "HeadlessExperimental.beginFrame"

Trait Implementations§

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impl Clone for BeginFrameParams

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fn clone(&self) -> BeginFrameParams

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Command for BeginFrameParams

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type Response = BeginFrameReturns

The type of the response this request triggers on the chromium server
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fn response_from_value(response: Value) -> Result<Self::Response, Error>

deserialize the response from json
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impl Debug for BeginFrameParams

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for BeginFrameParams

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fn default() -> BeginFrameParams

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for BeginFrameParams

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fn deserialize<__D>( __deserializer: __D ) -> Result<BeginFrameParams, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Method for BeginFrameParams

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fn identifier(&self) -> Cow<'static, str>

The whole string identifier for this method like: DOM.removeNode
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fn domain_name(&self) -> Cow<'static, str>

The name of the domain this method belongs to: DOM
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fn method_name(&self) -> Cow<'static, str>

The standalone identifier of the method inside the domain: removeNode
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fn split(&self) -> (Cow<'static, str>, Cow<'static, str>)

Tuple of (domain_name, method_name) : (DOM, removeNode)
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impl MethodType for BeginFrameParams

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fn method_id() -> Cow<'static, str>

The identifier for this event’s method field
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impl PartialEq for BeginFrameParams

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fn eq(&self, other: &BeginFrameParams) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for BeginFrameParams

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fn serialize<__S>( &self, __serializer: __S ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for BeginFrameParams

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,