[−][src]Struct ffimage::packed::generic::SubImageView
Sub image view into another image
Implementations
impl<'a, I: GenericImageView<'a>> SubImageView<'a, I>
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pub fn new(
parent: &'a I,
x: u32,
y: u32,
width: u32,
height: u32
) -> Option<Self>
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parent: &'a I,
x: u32,
y: u32,
width: u32,
height: u32
) -> Option<Self>
Returns a new read-only view into another image.
Arguments
parent
- Parent image backing the sub imagex
- X offsety
- Y offsetwidth
- Width in pixelsheight
- Height in pixels
Example
use ffimage::color::rgb::*; use ffimage::core::GenericImageView; use ffimage::packed::generic::ImageBuffer; let mut buf = ImageBuffer::<Rgb<u8>>::new(3, 3); let sub = buf.view(1, 1, 2, 2);
Trait Implementations
impl<'a, I: Clone + GenericImageView<'a>> Clone for SubImageView<'a, I>
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fn clone(&self) -> SubImageView<'a, I>
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fn clone_from(&mut self, source: &Self)
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impl<'a, I: Copy + GenericImageView<'a>> Copy for SubImageView<'a, I>
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impl<'a, I: Debug + GenericImageView<'a>> Debug for SubImageView<'a, I>
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impl<'a, I: GenericImageView<'a>> GenericImageView<'a> for SubImageView<'a, I>
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type T = I::T
Pixel type
type SubImage = Self
Type of sub images
fn width(&self) -> u32
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fn height(&self) -> u32
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fn pixel(&self, x: u32, y: u32) -> Option<Self::T>
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fn view(
&'a self,
x: u32,
y: u32,
width: u32,
height: u32
) -> Option<Self::SubImage>
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&'a self,
x: u32,
y: u32,
width: u32,
height: u32
) -> Option<Self::SubImage>
impl<'a, T: Pixel> Index<usize> for SubImageView<'a, ImageView<'a, T>>
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type Output = [T]
The returned type after indexing.
fn index(&self, index: usize) -> &Self::Output
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impl<'a, T: Pixel> Index<usize> for SubImageView<'a, ImageViewMut<'a, T>>
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type Output = [T]
The returned type after indexing.
fn index(&self, index: usize) -> &Self::Output
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impl<'a, T: Pixel> Index<usize> for SubImageView<'a, ImageBuffer<T>>
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Auto Trait Implementations
impl<'a, I> RefUnwindSafe for SubImageView<'a, I> where
I: RefUnwindSafe,
I: RefUnwindSafe,
impl<'a, I> Send for SubImageView<'a, I> where
I: Sync,
I: Sync,
impl<'a, I> Sync for SubImageView<'a, I> where
I: Sync,
I: Sync,
impl<'a, I> Unpin for SubImageView<'a, I>
impl<'a, I> UnwindSafe for SubImageView<'a, I> where
I: RefUnwindSafe,
I: RefUnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,