#[repr(transparent)]
pub struct PixbufAnimation { /* private fields */ }
Expand description

An opaque object representing an animation.

The GdkPixBuf library provides a simple mechanism to load and represent animations. An animation is conceptually a series of frames to be displayed over time.

The animation may not be represented as a series of frames internally; for example, it may be stored as a sprite and instructions for moving the sprite around a background.

To display an animation you don’t need to understand its representation, however; you just ask Pixbuf what should be displayed at a given point in time.

Implements

PixbufAnimationExt, PixbufAnimationExtManual

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impl PixbufAnimation

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pub const NONE: Option<&'static PixbufAnimation> = None

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pub fn from_file(filename: impl AsRef<Path>) -> Result<PixbufAnimation, Error>

Creates a new animation by loading it from a file.

The file format is detected automatically.

If the file’s format does not support multi-frame images, then an animation with a single frame will be created.

Possible errors are in the GDK_PIXBUF_ERROR and G_FILE_ERROR domains.

filename

Name of file to load, in the GLib file name encoding

Returns

A newly-created animation

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pub fn from_resource(resource_path: &str) -> Result<PixbufAnimation, Error>

Creates a new pixbuf animation by loading an image from an resource.

The file format is detected automatically. If NULL is returned, then @error will be set.

resource_path

the path of the resource file

Returns

A newly-created animation

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pub fn from_stream( stream: &impl IsA<InputStream>, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<PixbufAnimation, Error>

Creates a new animation by loading it from an input stream.

The file format is detected automatically.

If NULL is returned, then @error will be set.

The @cancellable can be used to abort the operation from another thread. If the operation was cancelled, the error G_IO_ERROR_CANCELLED will be returned. Other possible errors are in the GDK_PIXBUF_ERROR and G_IO_ERROR domains.

The stream is not closed.

stream

a GInputStream to load the pixbuf from

cancellable

optional GCancellable object

Returns

A newly-created animation

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pub fn from_stream_async<P: FnOnce(Result<PixbufAnimation, Error>) + 'static>( stream: &impl IsA<InputStream>, cancellable: Option<&impl IsA<Cancellable>>, callback: P )

Creates a new animation by asynchronously loading an image from an input stream.

For more details see gdk_pixbuf_new_from_stream(), which is the synchronous version of this function.

When the operation is finished, callback will be called in the main thread. You can then call gdk_pixbuf_animation_new_from_stream_finish() to get the result of the operation.

stream

a #GInputStream from which to load the animation

cancellable

optional #GCancellable object

callback

a GAsyncReadyCallback to call when the pixbuf is loaded

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pub fn from_stream_future( stream: &impl IsA<InputStream> + Clone + 'static ) -> Pin<Box_<dyn Future<Output = Result<PixbufAnimation, Error>> + 'static>>

Trait Implementations§

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impl Clone for PixbufAnimation

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fn clone(&self) -> Self

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 PixbufAnimation

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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 Display for PixbufAnimation

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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 Hash for PixbufAnimation

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fn hash<H>(&self, state: &mut H)where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T: PixbufAnimationImpl> IsSubclassable<T> for PixbufAnimation

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fn class_init(class: &mut Class<Self>)

Override the virtual methods of this class for the given subclass and do other class initialization. Read more
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fn instance_init(instance: &mut InitializingObject<T>)

Instance specific initialization. Read more
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impl Ord for PixbufAnimation

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl ParentClassIs for PixbufAnimation

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impl<OT: ObjectType> PartialEq<OT> for PixbufAnimation

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fn eq(&self, other: &OT) -> 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<OT: ObjectType> PartialOrd<OT> for PixbufAnimation

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fn partial_cmp(&self, other: &OT) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for PixbufAnimation

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for PixbufAnimation

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impl IsA<PixbufAnimation> for PixbufNonAnim

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impl IsA<PixbufAnimation> for PixbufSimpleAnim

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Immutably borrows from an owned value. Read more
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Returns the argument unchanged.

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T, Global>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_none_as_vec(ptr: *mut GList) -> Vec<T, Global>

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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<U> IsSubclassableExt for Uwhere U: IsClass + ParentClassIs,

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Returns true if the object is an instance of (can be cast to) T.
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Sets the property property_name of the object to value value. Read more
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Sets the property property_name of the object to value value. Read more
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Gets the property property_name of the object and cast it to the type V. Read more
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Gets the property property_name of the object. Read more
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Check if the object has a property property_name of the given type_. Read more
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Get the type of the property property_name of this object. Read more
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Get the ParamSpec of the property property_name of this object.
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Return all ParamSpec of the properties of this object.
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Freeze all property notifications until the return guard object is dropped. Read more
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Set arbitrary data on this object with the given key. Read more
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Return previously set arbitrary data of this object with the given key. Read more
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Retrieve previously set arbitrary data of this object with the given key. Read more
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Set arbitrary data on this object with the given key. Read more
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Return previously set arbitrary data of this object with the given key. Read more
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Retrieve previously set arbitrary data of this object with the given key. Read more
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fn block_signal(&self, handler_id: &SignalHandlerId)

Block a given signal handler. Read more
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Unblock a given signal handler.
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Stop emission of the currently emitted signal.
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Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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Connect to the signal signal_id on this object. Read more
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Connect to the signal signal_name on this object. Read more
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Connect to the signal signal_id on this object. Read more
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Connect to the signal signal_name on this object. Read more
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unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_id on this object. Read more
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Connect a closure to the signal signal_name on this object. Read more
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Limits the lifetime of closure to the lifetime of the object. When the object’s reference count drops to zero, the closure will be invalidated. An invalidated closure will ignore any calls to invoke_with_values, or invoke when using Rust closures.
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Emit signal by its name with details. Read more
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Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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Connect to the notify signal of the object. Read more
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Connect to the notify signal of the object. Read more
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Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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Add a callback to be notified when the Object is disposed.
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fn bind_property<'f, 't, O, 'a>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str ) -> BindingBuilder<'a, 'f, 't>where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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impl<O> PixbufAnimationExt for Owhere O: IsA<PixbufAnimation>,

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fn height(&self) -> i32

Queries the height of the bounding box of a pixbuf animation. Read more
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fn static_image(&self) -> Option<Pixbuf>

Retrieves a static image for the animation. Read more
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fn width(&self) -> i32

Queries the width of the bounding box of a pixbuf animation. Read more
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fn is_static_image(&self) -> bool

Checks whether the animation is a static image. Read more
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impl<T> PixbufAnimationExtManual for Twhere T: IsA<PixbufAnimation>,

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fn iter(&self, start_time: Option<SystemTime>) -> PixbufAnimationIter

Get an iterator for displaying an animation. Read more
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impl<T> StaticTypeExt for Twhere T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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The resulting type after obtaining ownership.
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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> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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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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<Super, Sub> CanDowncast<Sub> for Superwhere Super: IsA<Super>, Sub: IsA<Super>,

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impl<'a, T, C, E> FromValueOptional<'a> for Twhere T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,