Struct rgb::alt::GrayAlpha [−][src]
#[repr(C)]pub struct GrayAlpha<ComponentType, AlphaComponentType = ComponentType>(pub ComponentType, pub AlphaComponentType);
Grayscale with alpha. Use .0
/.1
to access.
Methods
impl<T: Clone, A> GrayAlpha<T, A>
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impl<T: Clone, A> GrayAlpha<T, A>
impl<T, A> GrayAlpha<T, A>
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impl<T, A> GrayAlpha<T, A>
pub fn gray_mut(&mut self) -> &mut Gray<T>
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pub fn gray_mut(&mut self) -> &mut Gray<T>
Provide a mutable view of only Gray
component (leaving out alpha).
impl<T: Copy, A: Clone> GrayAlpha<T, A>
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impl<T: Copy, A: Clone> GrayAlpha<T, A>
pub fn map_gray<F, U, B>(&self, f: F) -> GrayAlpha<U, B> where
F: FnOnce(T) -> U,
U: Clone,
B: From<A> + Clone,
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pub fn map_gray<F, U, B>(&self, f: F) -> GrayAlpha<U, B> where
F: FnOnce(T) -> U,
U: Clone,
B: From<A> + Clone,
Create new GrayAlpha
with the same alpha value, but different Gray
value
Trait Implementations
impl<T: Clone, A> From<GrayAlpha<T, A>> for RGBA<T, A>
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impl<T: Clone, A> From<GrayAlpha<T, A>> for RGBA<T, A>
impl<T> AsRef<T> for GrayAlpha<T>
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impl<T> AsRef<T> for GrayAlpha<T>
impl<T> AsMut<T> for GrayAlpha<T>
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impl<T> AsMut<T> for GrayAlpha<T>
impl<ComponentType: Copy, AlphaComponentType: Copy> Copy for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Copy, AlphaComponentType: Copy> Copy for GrayAlpha<ComponentType, AlphaComponentType>
impl<ComponentType: Clone, AlphaComponentType: Clone> Clone for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Clone, AlphaComponentType: Clone> Clone for GrayAlpha<ComponentType, AlphaComponentType>
fn clone(&self) -> GrayAlpha<ComponentType, AlphaComponentType>
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fn clone(&self) -> GrayAlpha<ComponentType, AlphaComponentType>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<ComponentType: Debug, AlphaComponentType: Debug> Debug for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Debug, AlphaComponentType: Debug> Debug for GrayAlpha<ComponentType, AlphaComponentType>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<ComponentType: Default, AlphaComponentType: Default> Default for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Default, AlphaComponentType: Default> Default for GrayAlpha<ComponentType, AlphaComponentType>
fn default() -> GrayAlpha<ComponentType, AlphaComponentType>
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fn default() -> GrayAlpha<ComponentType, AlphaComponentType>
Returns the "default value" for a type. Read more
impl<ComponentType: Eq, AlphaComponentType: Eq> Eq for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Eq, AlphaComponentType: Eq> Eq for GrayAlpha<ComponentType, AlphaComponentType>
impl<ComponentType: PartialEq, AlphaComponentType: PartialEq> PartialEq for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: PartialEq, AlphaComponentType: PartialEq> PartialEq for GrayAlpha<ComponentType, AlphaComponentType>
fn eq(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn eq(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn ne(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests for !=
.
impl<ComponentType: Ord, AlphaComponentType: Ord> Ord for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Ord, AlphaComponentType: Ord> Ord for GrayAlpha<ComponentType, AlphaComponentType>
fn cmp(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> Ordering
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fn cmp(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
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fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
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fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl<ComponentType: PartialOrd, AlphaComponentType: PartialOrd> PartialOrd for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: PartialOrd, AlphaComponentType: PartialOrd> PartialOrd for GrayAlpha<ComponentType, AlphaComponentType>
fn partial_cmp(
&self,
other: &GrayAlpha<ComponentType, AlphaComponentType>
) -> Option<Ordering>
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fn partial_cmp(
&self,
other: &GrayAlpha<ComponentType, AlphaComponentType>
) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn lt(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn le(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn gt(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
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fn ge(&self, other: &GrayAlpha<ComponentType, AlphaComponentType>) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<ComponentType: Hash, AlphaComponentType: Hash> Hash for GrayAlpha<ComponentType, AlphaComponentType>
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impl<ComponentType: Hash, AlphaComponentType: Hash> Hash for GrayAlpha<ComponentType, AlphaComponentType>
fn hash<__HComponentTypeAlphaComponentType: Hasher>(
&self,
state: &mut __HComponentTypeAlphaComponentType
)
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fn hash<__HComponentTypeAlphaComponentType: Hasher>(
&self,
state: &mut __HComponentTypeAlphaComponentType
)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<T: Copy, B> ComponentMap<GrayAlpha<B>, T, B> for GrayAlpha<T>
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impl<T: Copy, B> ComponentMap<GrayAlpha<B>, T, B> for GrayAlpha<T>
fn map<F>(&self, f: F) -> GrayAlpha<B> where
F: FnMut(T) -> B,
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fn map<F>(&self, f: F) -> GrayAlpha<B> where
F: FnMut(T) -> B,
Convenience function (equivalent of self.iter().map().collect()
) for applying the same formula to every component. Read more
impl<T> ComponentSlice<T> for GrayAlpha<T>
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impl<T> ComponentSlice<T> for GrayAlpha<T>
fn as_slice(&self) -> &[T]
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fn as_slice(&self) -> &[T]
The components interpreted as an array, e.g. one RGB
expands to 3 elements. Read more
fn as_mut_slice(&mut self) -> &mut [T]
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fn as_mut_slice(&mut self) -> &mut [T]
impl<T: Copy> From<Gray<T>> for GrayAlpha<T, u8>
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impl<T: Copy> From<Gray<T>> for GrayAlpha<T, u8>
Assumes 255 is opaque
impl<T: Copy> From<Gray<T>> for GrayAlpha<T, u16>
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impl<T: Copy> From<Gray<T>> for GrayAlpha<T, u16>
Assumes 65535 is opaque