public TValue[] ObjectsForKeys(TKey[] keys, TValue marker)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
if (marker == null)
{
throw new ArgumentNullException(nameof(marker));
}
if (keys.Length == 0)
{
return new TValue [] {}
}
;
using (var pool = new NSAutoreleasePool())
return(NSArray.ArrayFromHandle <TValue> (_ObjectsForKeys(NSArray.From <TKey> (keys).Handle, marker.Handle)));
}
// Private Callback function for CVDisplayLink
private CVReturn MyDisplayLinkOutputCallback(CVDisplayLink displayLink, ref CVTimeStamp inNow, ref CVTimeStamp inOutputTime, CVOptionFlags flagsIn, ref CVOptionFlags flagsOut)
{
//CVReturn result = GetFrameForTime (inOutputTime);
CVReturn result = CVReturn.Error;
// There is no autorelease pool when this method is called because it will be called from a background thread
// It's important to create one or you will leak objects
using (NSAutoreleasePool pool = new NSAutoreleasePool ()) {
// Update the animation
BeginInvokeOnMainThread (RenderScene);
result = CVReturn.Success;
}
return result;
}
public NSData AsPNG()
{
using (var pool = new NSAutoreleasePool ())
return (NSData) Runtime.GetNSObject (UIImagePNGRepresentation (Handle));
}
public static UIImage GetImageFromCurrentImageContext()
{
using (var pool = new NSAutoreleasePool ()) {
var handle = UIGraphicsGetImageFromCurrentImageContext ();
return (UIImage) Runtime.GetNSObject (handle);
}
}
public NSData AsJPEG(nfloat compressionQuality)
{
using (var pool = new NSAutoreleasePool ())
return (NSData) Runtime.GetNSObject (UIImageJPEGRepresentation (Handle, compressionQuality));
}