[−][src]Enum ffimage::packed::image::dynamic::MemoryBuffer
Runtime memory buffer
Variants
Implementations
impl MemoryBuffer
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pub fn as_slice<T: 'static>(&self) -> Option<&[T]>
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Returns the slice representation of a memory buffer
It is ensured that only the proper type representation can be cast from the underlying buffer. If, for example, you were to call the method on a U16 buffer and try to get a u8 slice reference, the function would return None instead.
Example
use ffimage::packed::{DynamicImageBuffer, DynamicStorageType}; let buf = DynamicImageBuffer::new(2, 2, 3, DynamicStorageType::U8); let slice: &[u8] = buf.raw().as_slice() .expect("Failed to cast memory buffer");
pub fn as_mut_slice<T: 'static>(&mut self) -> Option<&mut [T]>
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Returns the mutable slice representation of a memory buffer
It is ensured that only the proper type representation can be cast from the underlying buffer. If, for example, you were to call the method on a U16 buffer and try to get a u8 slice reference, the function would return None instead.
Example
use ffimage::packed::{DynamicImageBuffer, DynamicStorageType}; let mut buf = DynamicImageBuffer::new(2, 2, 3, DynamicStorageType::U8); let slice: &[u8] = buf.raw_mut().as_mut_slice() .expect("Failed to cast memory buffer");
pub fn len(&self) -> usize
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Returns the number of elements in the buffer
pub fn is_empty(&self) -> bool
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Returns true if there are no elements in the buffer
Trait Implementations
impl<T: 'static> TryFrom<Vec<T>> for MemoryBuffer
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Auto Trait Implementations
impl RefUnwindSafe for MemoryBuffer
impl Send for MemoryBuffer
impl Sync for MemoryBuffer
impl Unpin for MemoryBuffer
impl UnwindSafe for MemoryBuffer
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,