FWebImageCache Class Reference

#include <WebImageCache.h>

Public Member Functions
IMAGEDOWNLOAD_API	FWebImageCache ()
IMAGEDOWNLOAD_API void	PreUnload ()
IMAGEDOWNLOAD_API void	Empty ()
IMAGEDOWNLOAD_API TSharedRef< const FWebImage >	Download (const FString &Url, const TOptional< FString > &DefaultImageUrl=TOptional< FString >())
void	SetDefaultStandInBrush (TAttribute< const FSlateBrush * > StandInBrushIn)
IMAGEDOWNLOAD_API void	RelinquishUnusedImages ()

Detailed Description

This class is designed to facilitate caching of web images and setting a global stand-in so we don't re-download the same image every time the UI shows it again.

See WebImage.h for example usage.

Constructor & Destructor Documentation

FWebImageCache()

FWebImageCache::FWebImageCache

(

)

Member Function Documentation

Download()

TSharedRef< const FWebImage > FWebImageCache::Download	(	const FString &	Url,
		const TOptional< FString > &	DefaultImageUrl = TOptional<FString>()
	)

Find or create a WebImage object for this URL (you probably just want to call ->Attr() on this)

Empty()

void FWebImageCache::Empty

(

)

Removes all cached images

PreUnload()

void FWebImageCache::PreUnload

(

)

Signifies the module is being unloaded and to perform any actions that depend on other modules which may be unloaded as well

RelinquishUnusedImages()

void FWebImageCache::RelinquishUnusedImages

(

)

SetDefaultStandInBrush()

void FWebImageCache::SetDefaultStandInBrush ( TAttribute< const FSlateBrush * >  StandInBrushIn )

inline

Set the brush that will be returned until the download completes (only affects future downloads).

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Online/ImageDownload/Public/WebImageCache.h
• Engine/Source/Runtime/Online/ImageDownload/Private/WebImageCache.cpp