Struct cairo::Region

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pub struct Region(/* private fields */);

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impl Region

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pub unsafe fn from_raw_none(ptr: *mut cairo_region_t) -> Region

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pub unsafe fn from_raw_borrow(ptr: *mut cairo_region_t) -> Borrowed<Region>

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pub unsafe fn from_raw_full(ptr: *mut cairo_region_t) -> Region

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pub fn to_raw_none(&self) -> *mut cairo_region_t

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pub fn create() -> Region

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pub fn create_rectangle(rectangle: &RectangleInt) -> Region

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pub fn create_rectangles(rectangles: &[RectangleInt]) -> Region

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pub fn copy(&self) -> Region

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pub fn extents(&self, rectangle: &RectangleInt)

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pub fn num_rectangles(&self) -> i32

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pub fn rectangle(&self, nth: i32) -> RectangleInt

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pub fn is_empty(&self) -> bool

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pub fn contains_point(&self, x: i32, y: i32) -> bool

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pub fn contains_rectangle(&self, rectangle: &RectangleInt) -> RegionOverlap

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pub fn translate(&self, dx: i32, dy: i32)

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pub fn intersect(&self, other: &Region) -> Result<(), Error>

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pub fn intersect_rectangle(&self, rectangle: &RectangleInt) -> Result<(), Error>

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pub fn subtract(&self, other: &Region) -> Result<(), Error>

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pub fn subtract_rectangle(&self, rectangle: &RectangleInt) -> Result<(), Error>

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pub fn union(&self, other: &Region) -> Result<(), Error>

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pub fn union_rectangle(&self, rectangle: &RectangleInt) -> Result<(), Error>

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pub fn xor(&self, other: &Region) -> Result<(), Error>

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pub fn xor_rectangle(&self, rectangle: &RectangleInt) -> Result<(), Error>

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pub fn status(&self) -> Result<(), Error>

Trait Implementations§

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impl Clone for Region

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fn clone(&self) -> Region

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Region

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Drop for Region

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl From<Region> for Value

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fn from(v: Region) -> Self

Converts to this type from the input type.
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impl<'a> FromValue<'a> for &'a Region

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type Checker = GenericValueTypeOrNoneChecker<&'a Region>

Value type checker.
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unsafe fn from_value(value: &'a Value) -> Self

Get the contained value from a Value. Read more
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impl<'a> FromValue<'a> for Region

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type Checker = GenericValueTypeOrNoneChecker<Region>

Value type checker.
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unsafe fn from_value(value: &'a Value) -> Self

Get the contained value from a Value. Read more
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impl IntoGlibPtr<*mut cairo_region_t> for Region

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unsafe fn into_glib_ptr(self) -> *mut cairo_region_t

Transfer: full.
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impl PartialEq for Region

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fn eq(&self, other: &Region) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StaticType for Region

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fn static_type() -> Type

Returns the type identifier of Self.
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impl ToValue for Region

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fn to_value(&self) -> Value

Convert a value to a Value.
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fn value_type(&self) -> Type

Returns the type identifier of self. Read more
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impl ToValueOptional for Region

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fn to_value_optional(s: Option<&Self>) -> Value

Convert an Option to a Value.
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impl ValueType for Region

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type Type = Region

Type to get the Type from. Read more
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impl Eq for Region

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impl ValueTypeOptional for Region

Auto Trait Implementations§

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impl Freeze for Region

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impl RefUnwindSafe for Region

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impl !Send for Region

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impl !Sync for Region

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impl Unpin for Region

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impl UnwindSafe for Region

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,