protected ImageLoader(ImageConfig imageConfig) : this()
{
if (imageConfig == null)
{
throw new ArgumentException("Can not initialize ImageLoader with empty configuration");
}
}
public static ImageLoader Initialize(ImageConfig imageConfig)
{
if (imageConfig == null)
{
throw new ArgumentException("Can not initialize ImageLoader with empty configuration");
}
if (ImageConfig.Default != null)
{
return(ImageLoader.Instance);
}
ImageConfig.Default = imageConfig;
return(ImageLoader.Instance);
}
public static ImageLoader Initialize(ImageConfig imageConfig, bool isLogEnabled = false)
{
if (imageConfig == null)
{
throw new ArgumentException("Can not initialize ImageLoader with empty configuration");
}
if (ImageLoader.Instance._ImageConfig != null)
{
return(ImageLoader.Instance);
}
IsLogEnabled = isLogEnabled;
ImageLoader.Instance._ImageConfig = imageConfig;
return(ImageLoader.Instance);
}
/// <summary>
/// 注册其他的Image Loader,便于不同策略使用
/// </summary>
/// <param name="key"></param>
/// <param name="imageLoader"></param>
public static void Register(string key, ImageConfig imageConfig)
{
Collection.Add(key, new ImageLoader(imageConfig));
}