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RustBackend

simple_gal::imaging::rust_backend

Struct RustBackend

pub struct RustBackend;

Expand description

Pure Rust backend using the image crate ecosystem.

See the module docs for the crate-to-operation mapping.

Implementations§

impl RustBackend

pub fn new() -> Self

Trait Implementations§

impl Default for RustBackend

fn default() -> Self

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

impl ImageBackend for RustBackend

fn identify(&self, path: &Path) -> Result<Dimensions, BackendError>

Get image dimensions.

fn read_metadata(&self, path: &Path) -> Result<ImageMetadata, BackendError>

Read embedded IPTC/EXIF metadata (title, description).

fn resize(&self, params: &ResizeParams) -> Result<(), BackendError>

Execute a resize operation.

fn thumbnail(&self, params: &ThumbnailParams) -> Result<(), BackendError>

Execute a thumbnail operation (resize + center crop).

Auto Trait Implementations§

impl Freeze for RustBackend

impl RefUnwindSafe for RustBackend

impl Send for RustBackend

impl Sync for RustBackend

impl Unpin for RustBackend

impl UnsafeUnpin for RustBackend

impl UnwindSafe for RustBackend

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> To for T
where T: ?Sized,

fn to<T>(self) -> T
where Self: Into<T>,

Converts to T by calling Into<T>::into.

fn try_to<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Tries to convert to T by calling TryInto<T>::try_into.

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.