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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `GenericImageView` trait in crate `image`."><meta name="keywords" content="rust, rustlang, rust-lang, GenericImageView"><title>image::GenericImageView - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../image/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Trait GenericImageView</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Pixel">Pixel</a><a href="#associatedtype.InnerImageView">InnerImageView</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.bounds">bounds</a><a href="#tymethod.dimensions">dimensions</a><a href="#tymethod.get_pixel">get_pixel</a><a href="#tymethod.inner">inner</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.height">height</a><a href="#method.in_bounds">in_bounds</a><a href="#method.pixels">pixels</a><a href="#method.unsafe_get_pixel">unsafe_get_pixel</a><a href="#method.view">view</a><a href="#method.width">width</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>image</a></p><script>window.sidebarCurrent = {name: 'GenericImageView', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/image/image.rs.html#543-614' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>image</a>::<wbr><a class="trait" href=''>GenericImageView</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait GenericImageView {
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type <a href='#associatedtype.Pixel' class="type">Pixel</a>: <a class="trait" href="../image/trait.Pixel.html" title="trait image::Pixel">Pixel</a>;
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type <a href='#associatedtype.InnerImageView' class="type">InnerImageView</a>: <a class="trait" href="../image/trait.GenericImageView.html" title="trait image::GenericImageView">GenericImageView</a><Pixel = Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a>>;
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fn <a href='#tymethod.dimensions' class='fnname'>dimensions</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.bounds' class='fnname'>bounds</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.get_pixel' class='fnname'>get_pixel</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.inner' class='fnname'>inner</a>(&self) -> &Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a>;
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fn <a href='#method.width' class='fnname'>width</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a> { ... }
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<div class='item-spacer'></div> fn <a href='#method.height' class='fnname'>height</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a> { ... }
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<div class='item-spacer'></div> fn <a href='#method.in_bounds' class='fnname'>in_bounds</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
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<div class='item-spacer'></div> unsafe fn <a href='#method.unsafe_get_pixel' class='fnname'>unsafe_get_pixel</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a> { ... }
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<div class='item-spacer'></div> fn <a href='#method.pixels' class='fnname'>pixels</a>(&self) -> <a class="struct" href="../image/struct.Pixels.html" title="struct image::Pixels">Pixels</a><Self> { ... }
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<div class='item-spacer'></div> fn <a href='#method.view' class='fnname'>view</a>(<br> &self, <br> x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> width: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> height: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><br> ) -> <a class="struct" href="../image/struct.SubImage.html" title="struct image::SubImage">SubImage</a><&Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a>> { ... }
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}</pre></div><div class='docblock'><p>Trait to inspect an image.</p>
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</div>
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<h2 id='associated-types' class='small-section-header'>Associated Types<a href='#associated-types' class='anchor'></a></h2><div class='methods'><h3 id='associatedtype.Pixel' class='method'><code id='Pixel.t'>type <a href='#associatedtype.Pixel' class="type">Pixel</a>: <a class="trait" href="../image/trait.Pixel.html" title="trait image::Pixel">Pixel</a></code></h3><div class='docblock'><p>The type of pixel.</p>
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</div><h3 id='associatedtype.InnerImageView' class='method'><code id='InnerImageView.t'>type <a href='#associatedtype.InnerImageView' class="type">InnerImageView</a>: <a class="trait" href="../image/trait.GenericImageView.html" title="trait image::GenericImageView">GenericImageView</a><Pixel = Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a>></code></h3><div class='docblock'><p>Underlying image type. This is mainly used by SubImages in order to
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always have a reference to the original image. This allows for less
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indirections and it eases the use of nested SubImages.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.dimensions' class='method'><code id='dimensions.v'>fn <a href='#tymethod.dimensions' class='fnname'>dimensions</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></h3><div class='docblock'><p>The width and height of this image.</p>
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</div><h3 id='tymethod.bounds' class='method'><code id='bounds.v'>fn <a href='#tymethod.bounds' class='fnname'>bounds</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></h3><div class='docblock'><p>The bounding rectangle of this image.</p>
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</div><h3 id='tymethod.get_pixel' class='method'><code id='get_pixel.v'>fn <a href='#tymethod.get_pixel' class='fnname'>get_pixel</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a></code></h3><div class='docblock'><p>Returns the pixel located at (x, y)</p>
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<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
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<p>Panics if <code>(x, y)</code> is out of bounds.</p>
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<p>TODO: change this signature to &P</p>
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</div><h3 id='tymethod.inner' class='method'><code id='inner.v'>fn <a href='#tymethod.inner' class='fnname'>inner</a>(&self) -> &Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a></code></h3><div class='docblock'><p>Returns a reference to the underlying image.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.width' class='method'><code id='width.v'>fn <a href='#method.width' class='fnname'>width</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></h3><div class='docblock'><p>The width of this image.</p>
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</div><h3 id='method.height' class='method'><code id='height.v'>fn <a href='#method.height' class='fnname'>height</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></h3><div class='docblock'><p>The height of this image.</p>
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</div><h3 id='method.in_bounds' class='method'><code id='in_bounds.v'>fn <a href='#method.in_bounds' class='fnname'>in_bounds</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></h3><div class='docblock'><p>Returns true if this x, y coordinate is contained inside the image.</p>
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</div><h3 id='method.unsafe_get_pixel' class='method'><code id='unsafe_get_pixel.v'>unsafe fn <a href='#method.unsafe_get_pixel' class='fnname'>unsafe_get_pixel</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a></code></h3><div class='docblock'><p>Returns the pixel located at (x, y)</p>
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<p>This function can be implemented in a way that ignores bounds checking.</p>
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</div><h3 id='method.pixels' class='method'><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../image/struct.Pixels.html" title="struct image::Pixels">Pixels</a><'a, I></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../image/struct.Pixels.html" title="struct image::Pixels">Pixels</a><'a, I></h3><code class="content"><span class="where fmt-newline">impl<'a, I: <a class="trait" href="../image/trait.GenericImageView.html" title="trait image::GenericImageView">GenericImageView</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../image/struct.Pixels.html" title="struct image::Pixels">Pixels</a><'a, I></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, I::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></div></div><code id='pixels.v'>fn <a href='#method.pixels' class='fnname'>pixels</a>(&self) -> <a class="struct" href="../image/struct.Pixels.html" title="struct image::Pixels">Pixels</a><Self></code></h3><div class='docblock'><p>Returns an Iterator over the pixels of this image.
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The iterator yields the coordinates of each pixel
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along with their value</p>
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</div><h3 id='method.view' class='method'><code id='view.v'>fn <a href='#method.view' class='fnname'>view</a>(<br> &self, <br> x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> width: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> height: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><br>) -> <a class="struct" href="../image/struct.SubImage.html" title="struct image::SubImage">SubImage</a><&Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a>></code></h3><div class='docblock'><p>Returns an subimage that is an immutable view into this image.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-GenericImageView' class='impl'><code class='in-band'>impl GenericImageView for <a class="enum" href="../image/enum.DynamicImage.html" title="enum image::DynamicImage">DynamicImage</a></code><a href='#impl-GenericImageView' class='anchor'></a><a class='srclink' href='../src/image/dynimage.rs.html#569-588' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Pixel-1' class="type"><code id='Pixel.t-1'>type <a href='#associatedtype.Pixel-1' class="type">Pixel</a> = <a class="struct" href="../image/struct.Rgba.html" title="struct image::Rgba">Rgba</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>></code></h4><h4 id='associatedtype.InnerImageView-1' class="type"><code id='InnerImageView.t-1'>type <a href='#associatedtype.InnerImageView-1' class="type">InnerImageView</a> = Self</code></h4><h4 id='method.dimensions' class="method hidden"><code id='dimensions.v-1'>fn <a href='#method.dimensions' class='fnname'>dimensions</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code><a class='srclink' href='../src/image/dynimage.rs.html#573-575' title='goto source code'>[src]</a></h4><h4 id='method.bounds' class="method hidden"><code id='bounds.v-1'>fn <a href='#method.bounds' class='fnname'>bounds</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code><a class='srclink' href='../src/image/dynimage.rs.html#577-579' title='goto source code'>[src]</a></h4><h4 id='method.get_pixel' class="method hidden"><code id='get_pixel.v-1'>fn <a href='#method.get_pixel' class='fnname'>get_pixel</a>(&self, x: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, y: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="struct" href="../image/struct.Rgba.html" title="struct image::Rgba">Rgba</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>></code><a class='srclink' href='../src/image/dynimage.rs.html#581-583' title='goto source code'>[src]</a></h4><h4 id='method.inner' class="method hidden"><code id='inner.v-1'>fn <a href='#method.inner' class='fnname'>inner</a>(&self) -> &Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a></code><a class='srclink' href='../src/image/dynimage.rs.html#585-587' title='goto source code'>[src]</a></h4></div><h3 id='impl-GenericImageView-1' class='impl'><code class='in-band'>impl<Buffer, P: <a class="trait" href="../image/trait.Pixel.html" title="trait image::Pixel">Pixel</a>> GenericImageView for <a class="struct" href="../image/flat/struct.View.html" title="struct image::flat::View">View</a><Buffer, P> <span class="where fmt-newline">where<br> Buffer: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class
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</div><h4 id='method.inner-4' class="method hidden"><code id='inner.v-5'>fn <a href='#method.inner-4' class='fnname'>inner</a>(&self) -> &Self::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.InnerImageView" title="type image::GenericImageView::InnerImageView">InnerImageView</a></code><a class='srclink' href='../src/image/buffer.rs.html#617-619' title='goto source code'>[src]</a></h4></div></div><span class='loading-content'>Loading content...</span><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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src="../implementors/image/trait.GenericImageView.js">
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