/// <summary>
/// Asynchronously downloads an image from the provided url.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="useCache">if set to <c>true</c> [use cache].</param>
/// <param name="callback">Callback that will be invoked on the UI thread.</param>
public static void GetImageAsync(string url, bool useCache, GetImageCallback callback)
{
// Cache not to be used ?
if (!useCache)
{
EveClient.HttpWebService.DownloadImageAsync(url, GotImage, callback);
return;
}
// First check whether the image exists in cache.
string cacheFileName = Path.Combine(ImageCacheDirectory, GetCacheName(url));
if (File.Exists(cacheFileName))
{
try
{
Image img = Image.FromFile(cacheFileName, true);
callback(img);
}
catch (Exception e)
{
ExceptionHandler.LogException(e, false);
}
}
// In last resort, downloads it.
EveClient.HttpWebService.DownloadImageAsync(url, GotImage, (GetImageCallback)((img) =>
{
if (img != null)
AddImageToCache(url, img);
callback(img);
}));
}
IEnumerator GetImageCoroutine(string url, GetImageCallback callback)
{
WWW www = new WWW(url);
yield return(www);
Texture2D texture = www.texture;
callback(texture);
}
/// <summary>
/// Callback used when images are downloaded, it takes care to invoke another callback provided as our user state.
/// </summary>
/// <param name="e"></param>
/// <param name="state"></param>
private static void GotImage(DownloadImageAsyncResult e, object state)
{
GetImageCallback callback = (GetImageCallback)state;
if (e.Error == null)
{
// Invokes on the UI thread.
Dispatcher.BeginInvoke(() => callback(e.Result));
}
else
{
ExceptionHandler.LogException(e.Error, true);
callback(null);
}
}
/// <summary>
/// Asynchronously downloads an image from the provided url.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="useCache">if set to <c>true</c> [use cache].</param>
/// <param name="callback">Callback that will be invoked on the UI thread.</param>
public static void GetImageAsync(string url, bool useCache, GetImageCallback callback)
{
// Cache not to be used ?
if (!useCache)
{
EveClient.HttpWebService.DownloadImageAsync(url, GotImage, callback);
return;
}
// First check whether the image exists in cache.
string cacheFileName = Path.Combine(ImageCacheDirectory, GetCacheName(url));
if (File.Exists(cacheFileName))
{
try
{
Image img = Image.FromFile(cacheFileName, true);
callback(img);
}
catch (Exception e)
{
ExceptionHandler.LogException(e, false);
}
}
// In last resort, downloads it.
EveClient.HttpWebService.DownloadImageAsync(url, GotImage, (GetImageCallback)((img) =>
{
if (img != null)
{
AddImageToCache(url, img);
}
callback(img);
}));
}
public static extern IntPtr Online(string rtsp, GetImageCallback getImageCallback);
/// <summary>
/// Asynchronously downloads a character portrait from its ID.
/// </summary>
/// <param name="charId"></param>
/// <param name="callback">Callback that will be invoked on the UI thread.</param>
public static void GetCharacterImageAsync(long charId, GetImageCallback callback)
{
GetImageAsync(String.Format(NetworkConstants.CCPPortraits, charId.ToString()), false, callback);
}
public void GetImage(string url, GetImageCallback callback)
{
Debug.Log("Getting image from: " + url);
StartCoroutine(GetImageCoroutine(url, callback));
}
/// <summary>
/// Asynchronously downloads a character portrait from its ID.
/// </summary>
/// <param name="charId"></param>
/// <param name="callback">Callback that will be invoked on the UI thread.</param>
public static void GetCharacterImageAsync(long charId, GetImageCallback callback)
{
GetImageAsync(String.Format(NetworkConstants.CCPPortraits, charId.ToString()), false, callback);
}
