public async Task RenderFullQualityImage()
{
using (var source = KnownImages.Nurse.ImageSource)
using (var annotations = KnownImages.NurseScribbles.ImageSource)
using (var segmenter = new InteractiveForegroundSegmenter(source, Color.FromArgb(255, 255, 255, 255), Color.FromArgb(255, 255, 255, 0), annotations))
using (var effect = new FocusObjectDepthOfFieldEffect(source, segmenter, new Point(0, 0.8), new Point(1, 0.8), 1.0, 1.0, DepthOfFieldQuality.Full))
using (var renderer = new JpegRenderer(effect))
{
var buffer = await renderer.RenderAsync();
ImageResults.Instance.SaveToPicturesLibrary(buffer);
}
}
protected override MaybeTask<IImageProvider> GetEffectInternalAsync(IImageProvider source, Windows.Foundation.Size sourceSize, Windows.Foundation.Size renderSize)
{
if (m_effectEffect == null)
{
m_segmenter = new InteractiveForegroundSegmenter(source, foreground, background, m_scribbles);
m_segmenter.Quality = 0.5;
m_effectEffect = new FocusObjectDepthOfFieldEffect(source, m_segmenter, new Point(0.0, 0.7), new Point(1.0, 0.75), 1.0, 1.0, DepthOfFieldQuality.Preview);
}
else if (m_effectEffect.Source != source)
{
m_effectEffect.Source = source;
}
return new MaybeTask<IImageProvider>(m_effectEffect);
}