pub enum CompressionMethod {
Rgb,
Bitfields,
Rle8,
Rle4,
}Expand description
Describes how the BMP file is compressed.
Variants§
Rgb
The bitmap is in uncompressed RGB and doesn’t use color masks
Bitfields
The bitmap is in uncompressed RGB, using color masks
Rle8
The bitmap is compressed using run-length encoding (RLE) compression, with 8 bits per pixel. The compression uses a 2-byte format consisting of a count byte followed by a byte containing a color index.
Rle4
The bitmap is compressed using run-length encoding (RLE) compression, with 4 bits per pixel. The compression uses a 2-byte format consisting of a count byte followed by two word-length color indexes.
Trait Implementations§
Source§impl Clone for CompressionMethod
impl Clone for CompressionMethod
Source§fn clone(&self) -> CompressionMethod
fn clone(&self) -> CompressionMethod
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for CompressionMethod
impl Debug for CompressionMethod
Source§impl Hash for CompressionMethod
impl Hash for CompressionMethod
Source§impl Ord for CompressionMethod
impl Ord for CompressionMethod
Source§fn cmp(&self, other: &CompressionMethod) -> Ordering
fn cmp(&self, other: &CompressionMethod) -> Ordering
1.21.0 · Source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
Source§impl PartialEq for CompressionMethod
impl PartialEq for CompressionMethod
Source§impl PartialOrd for CompressionMethod
impl PartialOrd for CompressionMethod
impl Copy for CompressionMethod
impl Eq for CompressionMethod
impl StructuralPartialEq for CompressionMethod
Auto Trait Implementations§
impl Freeze for CompressionMethod
impl RefUnwindSafe for CompressionMethod
impl Send for CompressionMethod
impl Sync for CompressionMethod
impl Unpin for CompressionMethod
impl UnwindSafe for CompressionMethod
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CheckedAs for T
impl<T> CheckedAs for T
Source§fn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
fn checked_as<Dst>(self) -> Option<Dst>where
T: CheckedCast<Dst>,
Casts the value.
Source§impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere
Src: CheckedCast<Dst>,
Source§fn checked_cast_from(src: Src) -> Option<Dst>
fn checked_cast_from(src: Src) -> Option<Dst>
Casts the value.
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> OverflowingAs for T
impl<T> OverflowingAs for T
Source§fn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
fn overflowing_as<Dst>(self) -> (Dst, bool)where
T: OverflowingCast<Dst>,
Casts the value.
Source§impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere
Src: OverflowingCast<Dst>,
Source§fn overflowing_cast_from(src: Src) -> (Dst, bool)
fn overflowing_cast_from(src: Src) -> (Dst, bool)
Casts the value.
Source§impl<T> SaturatingAs for T
impl<T> SaturatingAs for T
Source§fn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
fn saturating_as<Dst>(self) -> Dstwhere
T: SaturatingCast<Dst>,
Casts the value.
Source§impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere
Src: SaturatingCast<Dst>,
Source§fn saturating_cast_from(src: Src) -> Dst
fn saturating_cast_from(src: Src) -> Dst
Casts the value.
Source§impl<T> UnwrappedAs for T
impl<T> UnwrappedAs for T
Source§fn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
fn unwrapped_as<Dst>(self) -> Dstwhere
T: UnwrappedCast<Dst>,
Casts the value.
Source§impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere
Src: UnwrappedCast<Dst>,
Source§fn unwrapped_cast_from(src: Src) -> Dst
fn unwrapped_cast_from(src: Src) -> Dst
Casts the value.
Source§impl<T> WrappingAs for T
impl<T> WrappingAs for T
Source§fn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
fn wrapping_as<Dst>(self) -> Dstwhere
T: WrappingCast<Dst>,
Casts the value.
Source§impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere
Src: WrappingCast<Dst>,
Source§fn wrapping_cast_from(src: Src) -> Dst
fn wrapping_cast_from(src: Src) -> Dst
Casts the value.