private async void AttemptSave()
{
if (Processing)
{
return;
}
Processing = true;
GC.Collect();
var lowMemory = false;
try
{
var result = (long)DeviceExtendedProperties.GetValue("ApplicationWorkingSetLimit");
lowMemory = result / 1024 / 1024 < 300;
}
catch (ArgumentOutOfRangeException)
{
}
IBuffer buffer;
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = lowMemory ? 0.5 : 1;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
using (var effect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Shape, (uint)SizeSlider.Value)))
using (var renderer = new JpegRenderer(effect))
{
effect.KernelMap = segmenter;
buffer = await renderer.RenderAsync();
}
}
using (var library = new MediaLibrary())
using (var stream = buffer.AsStream())
{
library.SavePicture("lensblur_" + DateTime.Now.Ticks, stream);
Model.Saved = true;
AdaptButtonsToState();
}
Processing = false;
}
private async void AttemptUpdatePreviewAsync()
{
if (!Processing)
{
Processing = true;
AdaptButtonsToState();
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = 0.5;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
do
{
_processingPending = false;
var previewBitmap = new WriteableBitmap((int)Model.AnnotationsBitmap.Dimensions.Width, (int)Model.AnnotationsBitmap.Dimensions.Height);
using (var effect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Model.KernelShape, (uint)Model.KernelSize)))
using (var renderer = new WriteableBitmapRenderer(effect, previewBitmap))
{
effect.KernelMap = segmenter;
try
{
await renderer.RenderAsync();
PreviewImage.Source = previewBitmap;
previewBitmap.Invalidate();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("AttemptUpdatePreviewAsync rendering failed: " + ex.Message);
}
}
}while (_processingPending);
}
Processing = false;
AdaptButtonsToState();
}
else
{
_processingPending = true;
}
}
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);
}
}
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));
}
public void CreatesSegmenterGraph()
{
var bitmap = new Bitmap(new Size(10, 10), ColorMode.Argb8888);
using (var source = new BitmapImageSource(bitmap))
using (var source2 = new BitmapImageSource(bitmap))
using (var kernel2 = new BitmapImageSource(bitmap))
using (var segmenter = new InteractiveForegroundSegmenter(source))
{
segmenter.AnnotationsSource = source2;
string result = CreateGraph(segmenter);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source2))).Matches(result).Count);
Assert.AreEqual(0, new Regex(Regex.Escape(NodeId(kernel2))).Matches(result).Count);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(segmenter))).Matches(result).Count);
}
}
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);
}
public void CreatesSegmenterGraph()
{
var bitmap = new Bitmap(new Size(10, 10), ColorMode.Argb8888);
using (var source = new BitmapImageSource(bitmap))
using (var source2 = new BitmapImageSource(bitmap))
using (var kernel2 = new BitmapImageSource(bitmap))
using (var segmenter = new InteractiveForegroundSegmenter(source))
{
segmenter.AnnotationsSource = source2;
string result = CreateGraph(segmenter);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source2))).Matches(result).Count);
Assert.AreEqual(0, new Regex(Regex.Escape(NodeId(kernel2))).Matches(result).Count);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(segmenter))).Matches(result).Count);
}
}
public void CreatesQuiteComplexGraph()
{
var bitmap = new Bitmap(new Size(10, 10), ColorMode.Argb8888);
using (var source1 = new BitmapImageSource(bitmap))
using (var source2 = new BitmapImageSource(bitmap))
using (var source3 = new BitmapImageSource(bitmap))
using (var source4 = new BitmapImageSource(bitmap))
using (var segmenter = new InteractiveForegroundSegmenter(source1, Color.FromArgb(255, 255, 0, 0), Color.FromArgb(255, 0, 255, 0), source2))
using (var bokeh = new LensBlurEffect(source1, segmenter))
using (var blendEffect = new BlendEffect(bokeh, source3))
{
string result = CreateGraph(blendEffect);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(source1))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source2))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source3))).Matches(result).Count);
Assert.AreEqual(0, new Regex(Regex.Escape(NodeId(source4))).Matches(result).Count);
Assert.AreEqual(4, new Regex(Regex.Escape(NodeId(segmenter))).Matches(result).Count);
Assert.AreEqual(5, new Regex(Regex.Escape(NodeId(bokeh))).Matches(result).Count);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(blendEffect))).Matches(result).Count);
}
}
private async void AttemptSaveAsync()
{
if (!Processing)
{
Processing = true;
AdaptButtonsToState();
GC.Collect();
var lowMemory = false;
try
{
long result = (long)DeviceExtendedProperties.GetValue("ApplicationWorkingSetLimit");
lowMemory = result / 1024 / 1024 < 300;
}
catch (ArgumentOutOfRangeException)
{
}
IBuffer buffer = null;
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = lowMemory ? 0.5 : 1;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
using (var effect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Model.KernelShape, (uint)Model.KernelSize)))
using (var renderer = new JpegRenderer(effect))
{
effect.KernelMap = segmenter;
try
{
buffer = await renderer.RenderAsync();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("AttemptSave rendering failed: " + ex.Message);
}
}
}
if (buffer != null)
{
using (var library = new MediaLibrary())
using (var stream = buffer.AsStream())
{
library.SavePicture("lensblur_" + DateTime.Now.Ticks, stream);
Model.Saved = true;
AdaptButtonsToState();
}
}
Processing = false;
AdaptButtonsToState();
}
}
private async void AttemptUpdatePreviewAsync()
{
if (!Processing)
{
Processing = true;
AdaptButtonsToState();
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = 0.5;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
do
{
_processingPending = false;
var previewBitmap = new WriteableBitmap((int)Model.AnnotationsBitmap.Dimensions.Width, (int)Model.AnnotationsBitmap.Dimensions.Height);
using (var effect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Model.KernelShape, (uint)Model.KernelSize)))
using (var renderer = new WriteableBitmapRenderer(effect, previewBitmap))
{
effect.KernelMap = segmenter;
try
{
await renderer.RenderAsync();
PreviewImage.Source = previewBitmap;
previewBitmap.Invalidate();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("AttemptUpdatePreviewAsync rendering failed: " + ex.Message);
}
}
}
while (_processingPending);
}
Processing = false;
AdaptButtonsToState();
}
else
{
_processingPending = true;
}
}
public void CreatesQuiteComplexGraph()
{
var bitmap = new Bitmap(new Size(10, 10), ColorMode.Argb8888);
using (var source1 = new BitmapImageSource(bitmap))
using (var source2 = new BitmapImageSource(bitmap))
using (var source3 = new BitmapImageSource(bitmap))
using (var source4 = new BitmapImageSource(bitmap))
using (var segmenter = new InteractiveForegroundSegmenter(source1, Color.FromArgb(255, 255, 0, 0), Color.FromArgb(255, 0, 255, 0), source2))
using (var bokeh = new LensBlurEffect(source1, segmenter))
using (var blendEffect = new BlendEffect(bokeh, source3))
{
string result = CreateGraph(blendEffect);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(source1))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source2))).Matches(result).Count);
Assert.AreEqual(2, new Regex(Regex.Escape(NodeId(source3))).Matches(result).Count);
Assert.AreEqual(0, new Regex(Regex.Escape(NodeId(source4))).Matches(result).Count);
Assert.AreEqual(4, new Regex(Regex.Escape(NodeId(segmenter))).Matches(result).Count);
Assert.AreEqual(5, new Regex(Regex.Escape(NodeId(bokeh))).Matches(result).Count);
Assert.AreEqual(3, new Regex(Regex.Escape(NodeId(blendEffect))).Matches(result).Count);
}
}
private async void AttemptUpdatePreviewAsync()
{
if (!Processing)
{
Processing = true;
do
{
_processingPending = false;
if (Model.OriginalImage != null && ForegroundAnnotationsDrawn && BackgroundAnnotationsDrawn)
{
Model.OriginalImage.Position = 0;
var maskBitmap = new WriteableBitmap((int)AnnotationsCanvas.ActualWidth, (int)AnnotationsCanvas.ActualHeight);
var annotationsBitmap = new WriteableBitmap((int)AnnotationsCanvas.ActualWidth, (int)AnnotationsCanvas.ActualHeight);
annotationsBitmap.Render(AnnotationsCanvas, new ScaleTransform
{
ScaleX = 1,
ScaleY = 1
});
annotationsBitmap.Invalidate();
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var renderer = new WriteableBitmapRenderer(segmenter, maskBitmap))
using (var annotationsSource = new BitmapImageSource(annotationsBitmap.AsBitmap()))
{
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
segmenter.Quality = 0.5;
segmenter.AnnotationsSource = annotationsSource;
await renderer.RenderAsync();
MaskImage.Source = maskBitmap;
maskBitmap.Invalidate();
Model.AnnotationsBitmap = (Bitmap)annotationsBitmap.AsBitmap();
}
}
else
{
MaskImage.Source = null;
}
}while (_processingPending && !_manipulating);
Processing = false;
}
else
{
_processingPending = true;
}
}
private async void AttemptUpdatePreviewAsync()
{
if (!Processing)
{
Processing = true;
do
{
_processingPending = false;
if (Model.OriginalImage != null && ForegroundAnnotationsDrawn && BackgroundAnnotationsDrawn)
{
Model.OriginalImage.Position = 0;
var maskBitmap = new WriteableBitmap((int)AnnotationsCanvas.ActualWidth, (int)AnnotationsCanvas.ActualHeight);
var annotationsBitmap = new WriteableBitmap((int)AnnotationsCanvas.ActualWidth, (int)AnnotationsCanvas.ActualHeight);
annotationsBitmap.Render(AnnotationsCanvas, new ScaleTransform
{
ScaleX = 1,
ScaleY = 1
});
annotationsBitmap.Invalidate();
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var renderer = new WriteableBitmapRenderer(segmenter, maskBitmap))
using (var annotationsSource = new BitmapImageSource(annotationsBitmap.AsBitmap()))
{
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
segmenter.Quality = 0.5;
segmenter.AnnotationsSource = annotationsSource;
await renderer.RenderAsync();
MaskImage.Source = maskBitmap;
maskBitmap.Invalidate();
Model.AnnotationsBitmap = (Bitmap)annotationsBitmap.AsBitmap();
}
}
else
{
MaskImage.Source = null;
}
}
while (_processingPending && !_manipulating);
Processing = false;
}
else
{
_processingPending = true;
}
}
private async void AttemptUpdatePreviewAsync2()
{
if (!Processing)
{
Processing = true;
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = 0.5;
segmenter.Source = source;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
do
{
_processingPending = false;
var previewBitmap = new WriteableBitmap((int)Model.AnnotationsBitmap.Dimensions.Width, (int)Model.AnnotationsBitmap.Dimensions.Height);
using (var backgroundSource = new StreamImageSource(Model.OriginalImage2))
using (var filterEffect = new FilterEffect(backgroundSource))
using (var blendFilter = new BlendFilter(source))
using (var renderer = new WriteableBitmapRenderer(filterEffect, previewBitmap))
{
blendFilter.BlendFunction = BlendFunction.Normal;
blendFilter.MaskSource = segmenter;
filterEffect.Filters = new IFilter[] { blendFilter };
try
{
await renderer.RenderAsync();
}
catch
{
}
var wb = previewBitmap;
var fileStream = new MemoryStream();
wb.SaveJpeg(fileStream, wb.PixelWidth, wb.PixelHeight, 100, 100);
fileStream.Seek(0, SeekOrigin.Begin);
var effect = new LensBlurEffect(new StreamImageSource(fileStream), new LensBlurPredefinedKernel(LensBlurPredefinedKernelShape.Circle, 10));
var renderer2 = new WriteableBitmapRenderer(effect, previewBitmap);
effect.KernelMap = segmenter;
try
{
await renderer2.RenderAsync();
}
catch
{
}
PreviewImage.Source = previewBitmap;
wb = previewBitmap;
fileStream = new MemoryStream();
wb.SaveJpeg(fileStream, wb.PixelWidth, wb.PixelHeight, 100, 100);
fileStream.Seek(0, SeekOrigin.Begin);
// var m = new MediaLibrary();
// m.SavePictureToCameraRoll("test", fileStream);
Model.MixedStream = fileStream;
// Model.MixedStream = ConvertToStream(previewBitmap);
previewBitmap.Invalidate();
}
}
while (_processingPending);
}
Processing = false;
}
else
{
_processingPending = true;
}
}
private async void AttemptUpdateImageAsync()
{
if (!Processing)
{
Processing = true;
GC.Collect();
var lowMemory = false;
try
{
long result = (long)DeviceExtendedProperties.GetValue("ApplicationWorkingSetLimit");
lowMemory = result / 1024 / 1024 < 300;
}
catch (ArgumentOutOfRangeException)
{
}
var maxSide = lowMemory ? 2048.0 : 4096.0;
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = lowMemory ? 0.5 : 1;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
var info = await source.GetInfoAsync();
double scaler, rotation;
var width = info.ImageSize.Width;
var height = info.ImageSize.Height;
if (width > height)
{
scaler = maxSide / width;
rotation = 90;
var t = width; // We're rotating the image, so swap width and height
width = height;
height = t;
}
else
{
scaler = maxSide / height;
rotation = 0;
}
scaler = Math.Max(1, scaler);
_bitmap = new WriteableBitmap((int)(width * scaler), (int)(height * scaler));
using (var blurEffect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Model.KernelShape, (uint)Model.KernelSize)))
using (var filterEffect = new FilterEffect(blurEffect) { Filters = new[] { new RotationFilter(rotation) }})
using (var renderer = new WriteableBitmapRenderer(filterEffect, _bitmap))
{
blurEffect.KernelMap = segmenter;
try
{
await renderer.RenderAsync();
Image.Source = _bitmap;
_bitmap.Invalidate();
ConfigureViewport();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("AttemptUpdateImageAsync rendering failed: " + ex.Message);
}
}
}
Processing = false;
}
}
private async void AttemptUpdateImageAsync()
{
if (!Processing)
{
Processing = true;
GC.Collect();
var lowMemory = false;
try
{
long result = (long)DeviceExtendedProperties.GetValue("ApplicationWorkingSetLimit");
lowMemory = result / 1024 / 1024 < 300;
}
catch (ArgumentOutOfRangeException)
{
}
var maxSide = lowMemory ? 2048.0 : 4096.0;
Model.OriginalImage.Position = 0;
using (var source = new StreamImageSource(Model.OriginalImage))
using (var segmenter = new InteractiveForegroundSegmenter(source))
using (var annotationsSource = new BitmapImageSource(Model.AnnotationsBitmap))
{
segmenter.Quality = lowMemory ? 0.5 : 1;
segmenter.AnnotationsSource = annotationsSource;
var foregroundColor = Model.ForegroundBrush.Color;
var backgroundColor = Model.BackgroundBrush.Color;
segmenter.ForegroundColor = Windows.UI.Color.FromArgb(foregroundColor.A, foregroundColor.R, foregroundColor.G, foregroundColor.B);
segmenter.BackgroundColor = Windows.UI.Color.FromArgb(backgroundColor.A, backgroundColor.R, backgroundColor.G, backgroundColor.B);
var info = await source.GetInfoAsync();
double scaler, rotation;
var width = info.ImageSize.Width;
var height = info.ImageSize.Height;
if (width > height)
{
scaler = maxSide / width;
rotation = 90;
var t = width; // We're rotating the image, so swap width and height
width = height;
height = t;
}
else
{
scaler = maxSide / height;
rotation = 0;
}
scaler = Math.Max(1, scaler);
_bitmap = new WriteableBitmap((int)(width * scaler), (int)(height * scaler));
using (var blurEffect = new LensBlurEffect(source, new LensBlurPredefinedKernel(Model.KernelShape, (uint)Model.KernelSize)))
using (var filterEffect = new FilterEffect(blurEffect)
{
Filters = new[] { new RotationFilter(rotation) }
})
using (var renderer = new WriteableBitmapRenderer(filterEffect, _bitmap))
{
blurEffect.KernelMap = segmenter;
try
{
await renderer.RenderAsync();
Image.Source = _bitmap;
_bitmap.Invalidate();
ConfigureViewport();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("AttemptUpdateImageAsync rendering failed: " + ex.Message);
}
}
}
Processing = false;
}
}