pub enum CompressionType {
Default,
Fast,
Best,
Huffman,
Rle,
// some variants omitted
}
Expand description
Compression level of a PNG encoder. The default setting is Fast
.
Variants
Default
Default compression level
Fast
Fast, minimal compression
Best
High compression level
Huffman
Huffman coding compression
Rle
Run-length encoding compression
Trait Implementations
sourceimpl Clone for CompressionType
impl Clone for CompressionType
sourcefn clone(&self) -> CompressionType
fn clone(&self) -> CompressionType
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for CompressionType
impl Debug for CompressionType
sourceimpl Default for CompressionType
impl Default for CompressionType
sourceimpl PartialEq<CompressionType> for CompressionType
impl PartialEq<CompressionType> for CompressionType
sourcefn eq(&self, other: &CompressionType) -> bool
fn eq(&self, other: &CompressionType) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &CompressionType) -> bool
fn ne(&self, other: &CompressionType) -> bool
This method tests for !=
.
impl Copy for CompressionType
impl Eq for CompressionType
impl StructuralEq for CompressionType
impl StructuralPartialEq for CompressionType
Auto Trait Implementations
impl RefUnwindSafe for CompressionType
impl Send for CompressionType
impl Sync for CompressionType
impl Unpin for CompressionType
impl UnwindSafe for CompressionType
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Pointable for T
impl<T> Pointable for T
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more