Struct graphene::Vec2

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pub struct Vec2 { /* private fields */ }
Expand description

A structure capable of holding a vector with two dimensions, x and y.

The contents of the Vec2 structure are private and should never be accessed directly.

Implementations§

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impl Vec2

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pub fn as_ptr(&self) -> *mut graphene_vec2_t

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pub unsafe fn from_glib_ptr_borrow<'a>(ptr: *const graphene_vec2_t) -> &'a Self

Borrows the underlying C value.

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pub unsafe fn from_glib_ptr_borrow_mut<'a>( ptr: *mut graphene_vec2_t ) -> &'a mut Self

Borrows the underlying C value mutably.

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impl Vec2

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pub fn add(&self, b: &Vec2) -> Vec2

Adds each component of the two passed vectors and places each result into the components of res.

§b

a Vec2

§Returns
§res

return location for the result

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pub fn divide(&self, b: &Vec2) -> Vec2

Divides each component of the first operand self by the corresponding component of the second operand b, and places the results into the vector res.

§b

a Vec2

§Returns
§res

return location for the result

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pub fn dot(&self, b: &Vec2) -> f32

Computes the dot product of the two given vectors.

§b

a Vec2

§Returns

the dot product of the vectors

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pub fn x(&self) -> f32

Retrieves the X component of the Vec2.

§Returns

the value of the X component

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pub fn y(&self) -> f32

Retrieves the Y component of the Vec2.

§Returns

the value of the Y component

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pub fn interpolate(&self, v2: &Vec2, factor: f64) -> Vec2

Linearly interpolates self and v2 using the given factor.

§v2

a Vec2

§factor

the interpolation factor

§Returns
§res

the interpolated vector

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pub fn length(&self) -> f32

Computes the length of the given vector.

§Returns

the length of the vector

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pub fn max(&self, b: &Vec2) -> Vec2

Compares the two given vectors and places the maximum values of each component into res.

§b

a Vec2

§Returns
§res

the resulting vector

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pub fn min(&self, b: &Vec2) -> Vec2

Compares the two given vectors and places the minimum values of each component into res.

§b

a Vec2

§Returns
§res

the resulting vector

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pub fn multiply(&self, b: &Vec2) -> Vec2

Multiplies each component of the two passed vectors and places each result into the components of res.

§b

a Vec2

§Returns
§res

return location for the result

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pub fn near(&self, v2: &Vec2, epsilon: f32) -> bool

Compares the two given Vec2 vectors and checks whether their values are within the given epsilon.

§v2

a Vec2

§epsilon

the threshold between the two vectors

§Returns

true if the two vectors are near each other

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pub fn negate(&self) -> Vec2

Negates the given Vec2.

§Returns
§res

return location for the result vector

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pub fn normalize(&self) -> Vec2

Computes the normalized vector for the given vector self.

§Returns
§res

return location for the normalized vector

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pub fn scale(&self, factor: f32) -> Vec2

Multiplies all components of the given vector with the given scalar factor.

§factor

the scalar factor

§Returns
§res

return location for the result vector

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pub fn subtract(&self, b: &Vec2) -> Vec2

Subtracts from each component of the first operand self the corresponding component of the second operand b and places each result into the components of res.

§b

a Vec2

§Returns
§res

return location for the result

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pub fn one() -> Vec2

Retrieves a constant vector with (1, 1) components.

§Returns

the one vector

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pub fn x_axis() -> Vec2

Retrieves a constant vector with (1, 0) components.

§Returns

the X axis vector

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pub fn y_axis() -> Vec2

Retrieves a constant vector with (0, 1) components.

§Returns

the Y axis vector

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pub fn zero() -> Vec2

Retrieves a constant vector with (0, 0) components.

§Returns

the zero vector

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impl Vec2

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pub fn new(x: f32, y: f32) -> Self

Initializes a Vec2 using the given values.

This function can be called multiple times.

§x

the X field of the vector

§y

the Y field of the vector

§Returns

the initialized vector

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pub fn from_float(src: [f32; 2]) -> Self

Initializes self with the contents of the given array.

§src

an array of floating point values with at least two elements

§Returns

the initialized vector

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pub fn to_float(&self) -> [f32; 2]

Stores the components of self into an array.

§Returns
§dest

return location for an array of floating point values with at least 2 elements

Trait Implementations§

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impl Clone for Vec2

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fn clone(&self) -> Self

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 Vec2

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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 Default for Vec2

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl HasParamSpec for Vec2

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type ParamSpec = ParamSpecBoxed

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type SetValue = Vec2

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecBoxedBuilder<'_, Vec2>

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fn param_spec_builder() -> Self::BuilderFn

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impl PartialEq for Vec2

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fn eq(&self, other: &Self) -> 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 Vec2

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Copy for Vec2

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impl Eq for Vec2

Auto Trait Implementations§

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impl Freeze for Vec2

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impl RefUnwindSafe for Vec2

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impl Send for Vec2

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impl Sync for Vec2

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impl Unpin for Vec2

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impl UnwindSafe for Vec2

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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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> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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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> ToSendValue for T
where T: Send + ToValue + ?Sized,

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fn to_send_value(&self) -> SendValue

Returns a SendValue clone of self.
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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,