public static UIImage FilteredImage (UIImage image)
{
var progress = NSProgress.FromTotalUnitCount (-1);
progress.Cancellable = false;
progress.Pausable = false;
UIImage outputImage;
var filter = new CIPhotoEffectTransfer ();
var cgImage = image.CGImage;
var ciImage = CIImage.FromCGImage (cgImage);
filter.SetValueForKey (ciImage, new NSString ("inputImage"));
var outputCIImage = filter.OutputImage;
var ciContext = CIContext.Create ();
var outputCGImage = ciContext.CreateCGImage (outputCIImage, outputCIImage.Extent);
outputImage = UIImage.FromImage (outputCGImage);
outputCGImage.Dispose ();
ciContext.Dispose ();
outputCIImage.Dispose ();
ciImage.Dispose ();
cgImage.Dispose ();
filter.Dispose ();
progress.CompletedUnitCount = 1;
progress.TotalUnitCount = 1;
return outputImage;
}
public static UIImage FilteredImage(UIImage image)
{
var progress = NSProgress.FromTotalUnitCount(-1);
progress.Cancellable = false;
progress.Pausable = false;
UIImage outputImage;
var filter = new CIPhotoEffectTransfer();
var cgImage = image.CGImage;
var ciImage = CIImage.FromCGImage(cgImage);
filter.SetValueForKey(ciImage, new NSString("inputImage"));
var outputCIImage = filter.OutputImage;
var ciContext = CIContext.Create();
var outputCGImage = ciContext.CreateCGImage(outputCIImage, outputCIImage.Extent);
outputImage = UIImage.FromImage(outputCGImage);
outputCGImage.Dispose();
ciContext.Dispose();
outputCIImage.Dispose();
ciImage.Dispose();
cgImage.Dispose();
filter.Dispose();
progress.CompletedUnitCount = 1;
progress.TotalUnitCount = 1;
return(outputImage);
}
/// <summary>
/// Produces a vintage look with exagerrated warm colors.
/// </summary>
/// <returns>The altered image.</returns>
CIImage PhotoEffectTransfer ()
{
var photo_effect_transfer = new CIPhotoEffectTransfer ()
{
Image = flower
};
return photo_effect_transfer.OutputImage;
}
