Struct Void

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pub struct Void;
Expand description

Void renderer used for testing

Trait Implementations§

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impl Renderer for Void

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type Image = VoidImage

Renderer image
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fn set_size(&mut self, width: u32, height: u32, dpi: f32)

Set size
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fn render( &mut self, images: &mut ImageStore<VoidImage>, verts: &[Vertex], commands: Vec<Command>, )

Renderer image
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fn alloc_image(&mut self, info: ImageInfo) -> Result<Self::Image, ErrorKind>

Alloc image
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fn update_image( &mut self, image: &mut Self::Image, data: ImageSource<'_>, x: usize, y: usize, ) -> Result<(), ErrorKind>

Update image
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fn delete_image(&mut self, image: Self::Image, _image_id: ImageId)

Delete image
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fn screenshot(&mut self) -> Result<ImgVec<RGBA8>, ErrorKind>

Create screenchot

Auto Trait Implementations§

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impl Freeze for Void

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impl RefUnwindSafe for Void

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impl Send for Void

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impl Sync for Void

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impl Unpin for Void

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impl UnwindSafe for Void

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, 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, 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, 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.