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KingfisherOptionsInfoItem.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>KingfisherOptionsInfoItem Enumeration Reference</title>
<link rel="stylesheet" type="text/css" href="../css/jazzy.css" />
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Kingfisher 5.13.0 Docs
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<p class="breadcrumbs">
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KingfisherOptionsInfoItem Enumeration Reference
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<a class="nav-group-task-link" href="../Classes/AnimatedImageView/RepeatCount.html">– RepeatCount</a>
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<a class="nav-group-task-link" href="../Enums/KingfisherError/RequestErrorReason.html">– RequestErrorReason</a>
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<a class="nav-group-task-link" href="../Enums/KingfisherError/ResponseErrorReason.html">– ResponseErrorReason</a>
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<a class="nav-group-task-link" href="../Enums/KingfisherError/CacheErrorReason.html">– CacheErrorReason</a>
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<a class="nav-group-task-link" href="../Enums/KingfisherError/ProcessorErrorReason.html">– ProcessorErrorReason</a>
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<a class="nav-group-task-link" href="../Enums/KingfisherError/ImageSettingErrorReason.html">– ImageSettingErrorReason</a>
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<a class="nav-group-task-link" href="../Enums/Source/Identifier.html">– Identifier</a>
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<a class="nav-group-task-link" href="../Structs/BlurImageProcessor.html">BlurImageProcessor</a>
</li>
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<a class="nav-group-task-link" href="../Structs/CacheStoreResult.html">CacheStoreResult</a>
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<a class="nav-group-task-link" href="../Structs/ColorControlsProcessor.html">ColorControlsProcessor</a>
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<a class="nav-group-task-link" href="../Structs/CompositingImageProcessor.html">CompositingImageProcessor</a>
</li>
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<a class="nav-group-task-link" href="../Structs/CroppingImageProcessor.html">CroppingImageProcessor</a>
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<a class="nav-group-task-link" href="../Structs/DefaultCacheSerializer.html">DefaultCacheSerializer</a>
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<a class="nav-group-task-link" href="../Structs/DefaultImageModifier.html">DefaultImageModifier</a>
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<a class="nav-group-task-link" href="../Structs/DefaultImageProcessor.html">DefaultImageProcessor</a>
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<a class="nav-group-task-link" href="../Structs/DownloadTask.html">DownloadTask</a>
</li>
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<a class="nav-group-task-link" href="../Structs/DownsamplingImageProcessor.html">DownsamplingImageProcessor</a>
</li>
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<a class="nav-group-task-link" href="../Structs/Filter.html">Filter</a>
</li>
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<a class="nav-group-task-link" href="../Structs/FlipsForRightToLeftLayoutDirectionImageModifier.html">FlipsForRightToLeftLayoutDirectionImageModifier</a>
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<a class="nav-group-task-link" href="../Structs/FormatIndicatedCacheSerializer.html">FormatIndicatedCacheSerializer</a>
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<a class="nav-group-task-link" href="../Structs/ImageCreatingOptions.html">ImageCreatingOptions</a>
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<a class="nav-group-task-link" href="../Structs/ImageLoadingResult.html">ImageLoadingResult</a>
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<a class="nav-group-task-link" href="../Structs/ImageProgressive.html">ImageProgressive</a>
</li>
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<a class="nav-group-task-link" href="../Structs/ImageResource.html">ImageResource</a>
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<a class="nav-group-task-link" href="../Structs/KingfisherParsedOptionsInfo.html">KingfisherParsedOptionsInfo</a>
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<a class="nav-group-task-link" href="../Structs/KingfisherWrapper.html">KingfisherWrapper</a>
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<a class="nav-group-task-link" href="../Structs/OverlayImageProcessor.html">OverlayImageProcessor</a>
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<a class="nav-group-task-link" href="../Structs/PropagationError.html">PropagationError</a>
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<a class="nav-group-task-link" href="../Structs/RectCorner.html">RectCorner</a>
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<a class="nav-group-task-link" href="../Structs/RenderingModeImageModifier.html">RenderingModeImageModifier</a>
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<a class="nav-group-task-link" href="../Structs/ResizingImageProcessor.html">ResizingImageProcessor</a>
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<a class="nav-group-task-link" href="../Structs.html#/s:10Kingfisher25RetrieveImageDownloadTaskV">RetrieveImageDownloadTask</a>
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<a class="nav-group-task-link" href="../Structs/RetrieveImageResult.html">RetrieveImageResult</a>
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<a class="nav-group-task-link" href="../Structs/RoundCornerImageProcessor.html">RoundCornerImageProcessor</a>
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<a class="nav-group-task-link" href="../Structs/TintImageProcessor.html">TintImageProcessor</a>
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<ul class="nav-group-tasks">
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher6Buttona">Button</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher24DownloadTaskUpdatedBlocka">DownloadTaskUpdatedBlock</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher28ImageDownloaderProgressBlocka">ImageDownloaderProgressBlock</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher9ImageViewa">ImageView</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/IndicatorView">IndicatorView</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher19KFCrossPlatformViewa">KFCrossPlatformView</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher0A11OptionsInfoa">KingfisherOptionsInfo</a>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher29PrefetcherSourceProgressBlocka">PrefetcherSourceProgressBlock</a>
</li>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher11Transformera">Transformer</a>
</li>
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<a class="nav-group-task-link" href="../Typealiases.html#/s:10Kingfisher4Viewa">View</a>
</li>
</ul>
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</nav>
<article class="main-content">
<section class="section">
<div class="section-content top-matter">
<h1>KingfisherOptionsInfoItem</h1>
<div class="declaration">
<div class="language">
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">KingfisherOptionsInfoItem</span></code></pre>
</div>
</div>
<p>Represents the available option items could be used in <code><a href="../Typealiases.html#/s:10Kingfisher0A11OptionsInfoa">KingfisherOptionsInfo</a></code>.</p>
</div>
</section>
<section class="section">
<div class="section-content">
<div class="task-group">
<ul class="item-container">
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO11targetCacheyAcA05ImageF0CcACmF"></a>
<a name="//apple_ref/swift/Element/targetCache(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO11targetCacheyAcA05ImageF0CcACmF">targetCache(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Kingfisher will use the associated <code><a href="../Classes/ImageCache.html">ImageCache</a></code> object when handling related operations,
including trying to retrieve the cached images and store the downloaded image to it.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">targetCache</span><span class="p">(</span><span class="kt"><a href="../Classes/ImageCache.html">ImageCache</a></span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L47">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO13originalCacheyAcA05ImageF0CcACmF"></a>
<a name="//apple_ref/swift/Element/originalCache(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO13originalCacheyAcA05ImageF0CcACmF">originalCache(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The <code><a href="../Classes/ImageCache.html">ImageCache</a></code> for storing and retrieving original images. If <code>originalCache</code> is
contained in the options, it will be preferred for storing and retrieving original images.
If there is no <code>.originalCache</code> in the options, <code>.targetCache</code> will be used to store original images.</p>
<p>When using KingfisherManager to download and store an image, if <code><a href="../Enums/KingfisherOptionsInfoItem.html#/s:10Kingfisher0A15OptionsInfoItemO18cacheOriginalImageyA2CmF">cacheOriginalImage</a></code> is
applied in the option, the original image will be stored to this <code>originalCache</code>. At the
same time, if a requested final image (with processor applied) cannot be found in <code>targetCache</code>,
Kingfisher will try to search the original image to check whether it is already there. If found,
it will be used and applied with the given processor. It is an optimization for not downloading
the same image for multiple times.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">originalCache</span><span class="p">(</span><span class="kt"><a href="../Classes/ImageCache.html">ImageCache</a></span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L59">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO10downloaderyAcA15ImageDownloaderCcACmF"></a>
<a name="//apple_ref/swift/Element/downloader(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO10downloaderyAcA15ImageDownloaderCcACmF">downloader(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Kingfisher will use the associated <code><a href="../Classes/ImageDownloader.html">ImageDownloader</a></code> object to download the requested images.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">downloader</span><span class="p">(</span><span class="kt"><a href="../Classes/ImageDownloader.html">ImageDownloader</a></span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L62">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO10transitionyAcA15ImageTransitionOcACmF"></a>
<a name="//apple_ref/swift/Element/transition(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO10transitionyAcA15ImageTransitionOcACmF">transition(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Member for animation transition when using <code>UIImageView</code>. Kingfisher will use the <code><a href="../Enums/ImageTransition.html">ImageTransition</a></code> of
this enum to animate the image in if it is downloaded from web. The transition will not happen when the
image is retrieved from either memory or disk cache by default. If you need to do the transition even when
the image being retrieved from cache, set <code><a href="../Enums/KingfisherOptionsInfoItem.html#/s:10Kingfisher0A15OptionsInfoItemO12forceRefreshyA2CmF">.forceRefresh</a></code> as well.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">transition</span><span class="p">(</span><span class="kt"><a href="../Enums/ImageTransition.html">ImageTransition</a></span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L68">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO16downloadPriorityyACSfcACmF"></a>
<a name="//apple_ref/swift/Element/downloadPriority(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO16downloadPriorityyACSfcACmF">downloadPriority(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Associated <code>Float</code> value will be set as the priority of image download task. The value for it should be
between 0.0~1.0. If this option not set, the default value (<code>URLSessionTask.defaultPriority</code>) will be used.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">downloadPriority</span><span class="p">(</span><span class="kt">Float</span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L72">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO12forceRefreshyA2CmF"></a>
<a name="//apple_ref/swift/Element/forceRefresh" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO12forceRefreshyA2CmF">forceRefresh</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, Kingfisher will ignore the cache and try to fire a download task for the resource.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">forceRefresh</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L75">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO24fromMemoryCacheOrRefreshyA2CmF"></a>
<a name="//apple_ref/swift/Element/fromMemoryCacheOrRefresh" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO24fromMemoryCacheOrRefreshyA2CmF">fromMemoryCacheOrRefresh</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, Kingfisher will try to retrieve the image from memory cache first. If the image is not in memory
cache, then it will ignore the disk cache but download the image again from network. This is useful when
you want to display a changeable image behind the same url at the same app session, while avoiding download
it for multiple times.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">fromMemoryCacheOrRefresh</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L81">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO15forceTransitionyA2CmF"></a>
<a name="//apple_ref/swift/Element/forceTransition" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO15forceTransitionyA2CmF">forceTransition</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, setting the image to an image view will happen with transition even when retrieved from cache.
See <code>.transition</code> option for more.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">forceTransition</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L85">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO15cacheMemoryOnlyyA2CmF"></a>
<a name="//apple_ref/swift/Element/cacheMemoryOnly" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO15cacheMemoryOnlyyA2CmF">cacheMemoryOnly</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, Kingfisher will only cache the value in memory but not in disk.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">cacheMemoryOnly</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L88">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO12waitForCacheyA2CmF"></a>
<a name="//apple_ref/swift/Element/waitForCache" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO12waitForCacheyA2CmF">waitForCache</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, Kingfisher will wait for caching operation to be completed before calling the completion block.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">waitForCache</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L91">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO13onlyFromCacheyA2CmF"></a>
<a name="//apple_ref/swift/Element/onlyFromCache" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO13onlyFromCacheyA2CmF">onlyFromCache</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>If set, Kingfisher will only try to retrieve the image from cache, but not from network. If the image is
not in cache, the image retrieving will fail with an error.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">onlyFromCache</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L95">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO16backgroundDecodeyA2CmF"></a>
<a name="//apple_ref/swift/Element/backgroundDecode" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO16backgroundDecodeyA2CmF">backgroundDecode</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Decode the image in background thread before using. It will decode the downloaded image data and do a off-screen
rendering to extract pixel information in background. This can speed up display, but will cost more time to
prepare the image for using.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">backgroundDecode</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L100">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO21callbackDispatchQueueyACSo17OS_dispatch_queueCSgcACmF"></a>
<a name="//apple_ref/swift/Element/callbackDispatchQueue(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO21callbackDispatchQueueyACSo17OS_dispatch_queueCSgcACmF">callbackDispatchQueue(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The associated value of this member will be used as the target queue of dispatch callbacks when
retrieving images from cache. If not set, Kingfisher will use main queue for callbacks.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">callbackDispatchQueue</span><span class="p">(</span><span class="kt">DispatchQueue</span><span class="p">?)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L105">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO13callbackQueueyAcA08CallbackF0OcACmF"></a>
<a name="//apple_ref/swift/Element/callbackQueue(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO13callbackQueueyAcA08CallbackF0OcACmF">callbackQueue(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The associated value will be used as the target queue of dispatch callbacks when retrieving images from
cache. If not set, Kingfisher will use <code>.mainCurrentOrAsync</code> for callbacks.</p>
<div class="aside aside-note">
<p class="aside-title">Note</p>
This option does not affect the callbacks for UI related extension methods. You will always get the
callbacks called from main queue.
</div>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">callbackQueue</span><span class="p">(</span><span class="kt"><a href="../Enums/CallbackQueue.html">CallbackQueue</a></span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/onevcat/Kingfisher/tree/5.13.0/Sources/General/KingfisherOptionsInfo.swift#L113">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:10Kingfisher0A15OptionsInfoItemO11scaleFactoryAC12CoreGraphics7CGFloatVcACmF"></a>
<a name="//apple_ref/swift/Element/scaleFactor(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:10Kingfisher0A15OptionsInfoItemO11scaleFactoryAC12CoreGraphics7CGFloatVcACmF">scaleFactor(_:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The associated value will be used as the scale factor when converting retrieved data to an image.
Specify the image scale, instead of your screen scale. You may need to set the correct scale when you dealing
with 2x or 3x retina images. Otherwise, Kingfisher will convert the data to image object at <code>scale</code> 1.0.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">scaleFactor</span><span class="p">(</span><span class="kt">CGFloat</span><span class="p">)</span></code></pre>