IObservable<Unit> SaveThumbnailToMemory (MemoryRequest request)
{
return Observable.Create<Unit> (o => {
var description = request.DescriptionAs<AssetDescription> ();
var disp = new CancellationDisposable ();
var token = disp.Token;
GetAsset (description, token).ContinueWith (t => {
using (var asset = t.Result)
request.Image = new UIImage (asset.Thumbnail);
o.OnCompleted ();
}, token).RouteExceptions (o);
return disp;
});
}
IObservable<Unit> SaveFullResolutionImageToMemory (MemoryRequest request)
{
return Observable.Create<Unit> (o => {
var description = request.DescriptionAs<AssetDescription> ();
var disp = new CancellationDisposable ();
var token = disp.Token;
GetAsset (description, token).ContinueWith (t => {
using (var asset = t.Result)
using (var representation = asset.DefaultRepresentation)
request.Image = new UIImage (representation.GetImage ());
o.OnCompleted ();
}, token).RouteExceptions (o);
return disp;
});
}
void SaveToMemory (CGImage image, MemoryRequest request)
{
CheckImageArgument (image, "image");
request.Image = new UIImage (image);
}
