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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></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><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.dimensions">dimensions</a><a href="#tymethod.bounds">bounds</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.width">width</a><a href="#method.height">height</a><a href="#method.in_bounds">in_bounds</a><a href="#method.unsafe_get_pixel">unsafe_get_pixel</a><a href="#method.pixels">pixels</a><a href="#method.view">view</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"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><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='in-band'>Trait <a href='index.html'>image</a>::<wbr><a class="trait" href=''>GenericImageView</a></span><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#356-427' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><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'>
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Associated Types<a href='#associated-types' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='associatedtype.Pixel' class='method'><span id='Pixel.t' class='invisible'><code>type <a href='#associatedtype.Pixel' class="type">Pixel</a>: <a class="trait" href="../image/trait.Pixel.html" title="trait image::Pixel">Pixel</a></code></span></h3><div class='docblock'><p>The type of pixel.</p>
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</div><h3 id='associatedtype.InnerImageView' class='method'><span id='InnerImageView.t' class='invisible'><code>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></span></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>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.dimensions' class='method'><span id='dimensions.v' class='invisible'><code>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></span></h3><div class='docblock'><p>The width and height of this image.</p>
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</div><h3 id='tymethod.bounds' class='method'><span id='bounds.v' class='invisible'><code>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></span></h3><div class='docblock'><p>The bounding rectangle of this image.</p>
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</div><h3 id='tymethod.get_pixel' class='method'><span id='get_pixel.v' class='invisible'><code>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></span></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'><span id='inner.v' class='invisible'><code>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></span></h3><div class='docblock'><p>Returns a reference to the underlying image.</p>
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</div></div>
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<h2 id='provided-methods' class='small-section-header'>
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Provided Methods<a href='#provided-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='method.width' class='method'><span id='width.v' class='invisible'><code>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></span></h3><div class='docblock'><p>The width of this image.</p>
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</div><h3 id='method.height' class='method'><span id='height.v' class='invisible'><code>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></span></h3><div class='docblock'><p>The height of this image.</p>
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</div><h3 id='method.in_bounds' class='method'><span id='in_bounds.v' class='invisible'><code>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></span></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'><span id='unsafe_get_pixel.v' class='invisible'><code>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></span></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><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/iterator/trait.Iterator.html" title="trait core::iter::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/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><h3 id='method.pixels' class='method'><span id='pixels.v' class='invisible'><code>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></span></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'><span id='view.v' class='invisible'><code>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></span></h3><div class='docblock'><p>Returns an subimage that is an immutable view into this image.</p>
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</div></div><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><ul class='item-list' id='implementors-list'><li><table class='table-display'><tbody><tr><td><code>impl<P, Container> GenericImageView for <a class="struct" href="../image/struct.ImageBuffer.html" title="struct image::ImageBuffer">ImageBuffer</a><P, Container> <span class="where fmt-newline">where<br> P: <a class="trait" href="../image/trait.Pixel.html" title="trait image::Pixel">Pixel</a> + 'static,<br> Container: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a><Target = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>P::<a class="type" href="../image/trait.Pixel.html#associatedtype.Subpixel" title="type image::Pixel::Subpixel">Subpixel</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>,<br> P::<a class="type" href="../image/trait.Pixel.html#associatedtype.Subpixel" title="type image::Pixel::Subpixel">Subpixel</a>: 'static, </span><span class="where fmt-newline"> type <a href='#associatedtype.Pixel' class="type">Pixel</a> = P;</span><span class="where fmt-newline"> type <a href='#associatedtype.InnerImageView' class="type">InnerImageView</a> = Self;</span></code><td><div class='out-of-band'><a class='srclink' href='../src/image/buffer.rs.html#514-549' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
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<li><table class='table-display'><tbody><tr><td><code>impl GenericImageView for <a class="enum" href="../image/enum.DynamicImage.html" title="enum image::DynamicImage">DynamicImage</a><span class="where fmt-newline"> type <a href='#associatedtype.Pixel' 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>>;</span><span class="where fmt-newline"> type <a href='#associatedtype.InnerImageView' class="type">InnerImageView</a> = Self;</span></code><td><div class='out-of-band'><a class='srclink' href='../src/image/dynimage.rs.html#566-585' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
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<li><table class='table-display'><tbody><tr><td><code>impl<I> GenericImageView for <a class="struct" href="../image/struct.SubImage.html" title="struct image::SubImage">SubImage</a><I> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>,<br> I::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>: <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span><span class="where fmt-newline"> type <a href='#associatedtype.Pixel' class="type">Pixel</a> = <<I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a> as <a class="trait" href="../image/trait.GenericImageView.html" title="trait image::GenericImageView">GenericImageView</a>>::<a class="type" href="../image/trait.GenericImageView.html#associatedtype.Pixel" title="type image::GenericImageView::Pixel">Pixel</a>;</span><span class="where fmt-newline"> type <a href='#associatedtype.InnerImageView' class="type">InnerImageView</a> = I::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>;</span></code><td><div class='out-of-band'><a class='srclink' href='../src/image/image.rs.html#585-614' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
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</ul><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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</script></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "image";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html> |