Enum gdk::VisualType
source · [−]#[non_exhaustive]
pub enum VisualType {
StaticGray,
Grayscale,
StaticColor,
PseudoColor,
TrueColor,
DirectColor,
// some variants omitted
}
Expand description
A set of values that describe the manner in which the pixel values for a visual are converted into RGB values for display.
Variants (Non-exhaustive)
This enum is marked as non-exhaustive
StaticGray
Each pixel value indexes a grayscale value directly.
Grayscale
Each pixel is an index into a color map that maps pixel values into grayscale values. The color map can be changed by an application.
StaticColor
Each pixel value is an index into a predefined, unmodifiable color map that maps pixel values into RGB values.
PseudoColor
Each pixel is an index into a color map that maps pixel values into rgb values. The color map can be changed by an application.
TrueColor
Each pixel value directly contains red, green,
and blue components. Use Visual::red_pixel_details()
, etc,
to obtain information about how the components are assembled into
a pixel value.
DirectColor
Each pixel value contains red, green, and blue
components as for TrueColor
, but the components are
mapped via a color table into the final output table instead of
being converted directly.
Trait Implementations
sourceimpl Clone for VisualType
impl Clone for VisualType
sourcefn clone(&self) -> VisualType
fn clone(&self) -> VisualType
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 VisualType
impl Debug for VisualType
sourceimpl Display for VisualType
impl Display for VisualType
sourceimpl<'a> FromValue<'a> for VisualType
impl<'a> FromValue<'a> for VisualType
type Checker = GenericValueTypeChecker<VisualType>
type Checker = GenericValueTypeChecker<VisualType>
Value type checker.
sourceunsafe fn from_value(value: &'a Value) -> Self
unsafe fn from_value(value: &'a Value) -> Self
Get the contained value from a Value
. Read more
sourceimpl Hash for VisualType
impl Hash for VisualType
sourceimpl Ord for VisualType
impl Ord for VisualType
sourceimpl PartialEq<VisualType> for VisualType
impl PartialEq<VisualType> for VisualType
sourcefn eq(&self, other: &VisualType) -> bool
fn eq(&self, other: &VisualType) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &VisualType) -> bool
fn ne(&self, other: &VisualType) -> bool
This method tests for !=
.
sourceimpl PartialOrd<VisualType> for VisualType
impl PartialOrd<VisualType> for VisualType
sourcefn partial_cmp(&self, other: &VisualType) -> Option<Ordering>
fn partial_cmp(&self, other: &VisualType) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
sourceimpl StaticType for VisualType
impl StaticType for VisualType
sourcefn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of Self
.
sourceimpl ToValue for VisualType
impl ToValue for VisualType
sourceimpl ValueType for VisualType
impl ValueType for VisualType
type Type = VisualType
type Type = VisualType
Type to get the Type
from. Read more
impl Copy for VisualType
impl Eq for VisualType
impl StructuralEq for VisualType
impl StructuralPartialEq for VisualType
Auto Trait Implementations
impl RefUnwindSafe for VisualType
impl Send for VisualType
impl Sync for VisualType
impl Unpin for VisualType
impl UnwindSafe for VisualType
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> StaticTypeExt for T where
T: StaticType,
impl<T> StaticTypeExt for T where
T: StaticType,
sourcefn ensure_type()
fn ensure_type()
Ensures that the type has been registered with the type system.
sourceimpl<T> ToClosureReturnValue for T where
T: ToValue,
impl<T> ToClosureReturnValue for T where
T: ToValue,
fn to_closure_return_value(&self) -> Option<Value>
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.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<T> ToSendValue for T where
T: Send + ToValue + ?Sized,
impl<T> ToSendValue for T where
T: Send + ToValue + ?Sized,
sourcefn to_send_value(&self) -> SendValue
fn to_send_value(&self) -> SendValue
Returns a SendValue
clone of self
.