internal ColorMapCacheItem GetColorMapCacheItem(ColorMapKey key)
{
lock (_syncLock)
{
if (_colorMapCache.ContainsKey(key))
{
return(_colorMapCache[key]);
}
ColorMapCacheItem item = new ColorMapCacheItem(key);
_colorMapCache[key] = item;
return(item);
}
}
public override object CreateMemento()
{
//no state to remember, but we do want to remove the reference to the 'real lut'. It will be recreated later.
_cacheItem = null;
return(base.CreateMemento());
}
