/// <summary>
/// Gets the image data for a given user's avatar.
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
public byte[] GetData(ImageHandle handle)
{
ImageDimensions dimensions = GetDimensions(handle);
byte[] data = new byte[dimensions.Width * dimensions.Height * 4];
GetData(handle, data);
return(data);
}
private static void FetchCallbackImpl(IntPtr ptr, Result result, ImageHandle handleResult)
{
GCHandle h = GCHandle.FromIntPtr(ptr);
FetchHandler callback = (FetchHandler)h.Target;
h.Free();
callback(result, handleResult);
}
/// <summary>
/// Gets the image data for a given user's avatar.
/// </summary>
/// <param name="handle"></param>
/// <param name="data"></param>
/// <exception cref="ResultException"></exception>
public void GetData(ImageHandle handle, byte[] data)
{
Result res = Methods.GetData(methodsPtr, handle, data, data.Length);
if (res != Result.Ok)
{
throw new ResultException(res);
}
}
/// <summary>
/// Get's the dimensions for the given user's avatar's source image.
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
/// <exception cref="ResultException"></exception>
public ImageDimensions GetDimensions(ImageHandle handle)
{
ImageDimensions ret = new ImageDimensions();
Result res = Methods.GetDimensions(methodsPtr, handle, ref ret);
if (res != Result.Ok)
{
throw new ResultException(res);
}
return(ret);
}
/// <summary>
/// Prepares an image to later retrieve data about it.
/// </summary>
/// <param name="handle"></param>
/// <param name="refresh"></param>
/// <param name="callback"></param>
public void Fetch(ImageHandle handle, bool refresh, FetchHandler callback)
{
GCHandle wrapped = GCHandle.Alloc(callback);
Methods.Fetch(methodsPtr, handle, refresh, GCHandle.ToIntPtr(wrapped), FetchCallbackImpl);
}
/// <summary>
/// Prepares an image to later retrieve data about it.
/// </summary>
/// <param name="handle"></param>
/// <param name="callback"></param>
public void Fetch(ImageHandle handle, FetchHandler callback)
{
Fetch(handle, false, callback);
}