public bool TryGetCachedImage(DataEntityHandle handle, out Texture2D icon, string context)
{
icon = null;
string hashName = createHash(handle, context);
if (imageCache.ContainsImage(hashName))
{
icon = imageCache.GetTextureFromCache(hashName);
return(true);
}
return(false);
}
protected bool RequestImage(RenderParams renderParams, RequestImageCallback callback)
{
CallbackToken callbackToken = renderParams.CallbackToken;
if (completionCallbacks.ContainsKey(callbackToken))
{
completionCallbacks[callbackToken].Add(callback);
return(false);
}
if (imageCache.ContainsImage(renderParams.ImageHash))
{
Texture2D textureFromCache = imageCache.GetTextureFromCache(renderParams.ImageHash);
callback(success: true, textureFromCache, callbackToken);
return(true);
}
List <RequestImageCallback> list = new List <RequestImageCallback>();
list.Add(callback);
completionCallbacks.Add(callbackToken, list);
renderQueue.Enqueue(renderParams);
if (renderQueue.Count == 1)
{
CoroutineRunner.Start(setupAndProcessRequests(), this, "ProcessNextRequest");
}
return(false);
}