Struct png::FrameControl

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pub struct FrameControl {
    pub sequence_number: u32,
    pub width: u32,
    pub height: u32,
    pub x_offset: u32,
    pub y_offset: u32,
    pub delay_num: u16,
    pub delay_den: u16,
    pub dispose_op: DisposeOp,
    pub blend_op: BlendOp,
}
Expand description

Frame control information

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§sequence_number: u32

Sequence number of the animation chunk, starting from 0

§width: u32

Width of the following frame

§height: u32

Height of the following frame

§x_offset: u32

X position at which to render the following frame

§y_offset: u32

Y position at which to render the following frame

§delay_num: u16

Frame delay fraction numerator

§delay_den: u16

Frame delay fraction denominator

§dispose_op: DisposeOp

Type of frame area disposal to be done after rendering this frame

§blend_op: BlendOp

Type of frame area rendering for this frame

Implementations§

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impl FrameControl

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pub fn set_seq_num(&mut self, s: u32)

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pub fn inc_seq_num(&mut self, i: u32)

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pub fn encode<W: Write>(self, w: &mut W) -> Result<(), EncodingError>

Trait Implementations§

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impl Clone for FrameControl

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fn clone(&self) -> FrameControl

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 Debug for FrameControl

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

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

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fn default() -> FrameControl

Returns the “default value” for a type. Read more
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impl Copy for FrameControl

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> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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, 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> 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.