private ObservableCollection <VideoEffectsViewModel> CreateEditableEffects()
{
var effects = new ObservableCollection <VideoEffectsViewModel>();
m_contrastEffect = new ContrastEffect();
effects.Add(new VideoEffectsViewModel(m_contrastEffect, "contrast.png")
{
Name = "Contrast", MaxValue = 1.0, MinValue = -1.0
});
m_hueSaturationEffect = new HueSaturationEffect(m_contrastEffect);
effects.Add(new VideoEffectsViewModel(m_hueSaturationEffect, "saturation.png")
{
Name = "Hue", MaxValue = 1.0, MinValue = -1.0, PropertyName = "Hue"
});
effects.Add(new VideoEffectsViewModel(m_hueSaturationEffect, "saturation.png")
{
Name = "Saturation", MaxValue = 1.0, MinValue = -1.0, PropertyName = "Saturation"
});
m_brightnessEffect = new BrightnessEffect(m_hueSaturationEffect);
effects.Add(new VideoEffectsViewModel(m_brightnessEffect, "brightness.png")
{
Name = "Brightness", MaxValue = 1.0, MinValue = -1.0
});
return(effects);
}
public void Constructor_InitializesExpectedProperties()
{
// Act
var effect = new BrightnessEffect(0.5d);
// Assert
Assert.Equal(0.5d, effect.Brightness);
}
private static ICanvasImage CreateBrighterEffect(ICanvasImage canvasImage)
{
var ef = new BrightnessEffect
{
Source = canvasImage,
BlackPoint = new System.Numerics.Vector2(0.01f, 0.2f),
WhitePoint = new System.Numerics.Vector2(0.85f, 0.95f)
};
return(ef);
}
async Task Canvas_CreateResourcesAsync(CanvasControl sender)
{
bitmap = await CanvasBitmap.LoadAsync(sender, "imageTiger.jpg");
redBrush = CreateGradientBrush(sender, 255, 0, 0);
greenBrush = CreateGradientBrush(sender, 0, 255, 0);
blueBrush = CreateGradientBrush(sender, 0, 0, 255);
brightnessEffect = new BrightnessEffect { Source = bitmap };
saturationEffect = new SaturationEffect { Source = brightnessEffect };
hueEffect = new HueRotationEffect { Source = saturationEffect };
}
public void ISerializable_SerializeAndDeserializeCorrectly()
{
// Arrange
var expected = new BrightnessEffect(0.5d);
var info = MockSerializationInfo <BrightnessEffect>();
// Act
expected.GetObjectData(info, new StreamingContext());
var actual = new BrightnessEffect(info, new StreamingContext());
// Assert
Assert.Equal(expected.Brightness, actual.Brightness);
}
public MainPage()
{
InitializeComponent();
double scaleFactor = 1.0;
scaleFactor = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
_writeableBitmap = new WriteableBitmap((int)(Window.Current.Bounds.Width * scaleFactor), (int)(Window.Current.Bounds.Height * scaleFactor));
_thumbnailImageBitmap = new WriteableBitmap((int)OriginalImage.Width, (int)OriginalImage.Height);
_grayscaleEffect = new GrayscaleEffect();
_brightnessEffect = new BrightnessEffect(_grayscaleEffect);
SwapChainPanelTarget.Loaded += SwapChainPanelTarget_Loaded;
}
public MainPage()
{
InitializeComponent();
double scaleFactor = 1.0;
scaleFactor = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
_writeableBitmap = new WriteableBitmap((int)(Window.Current.Bounds.Width * scaleFactor), (int)(Window.Current.Bounds.Height * scaleFactor));
_thumbnailImageBitmap = new WriteableBitmap((int)OriginalImage.Width, (int)OriginalImage.Height);
_grayscaleEffect = new GrayscaleEffect();
_brightnessEffect = new BrightnessEffect(_grayscaleEffect);
SwapChainPanelTarget.Loaded += SwapChainPanelTarget_Loaded;
}
async Task <Uri> Brightness(int EffectPercentage)
{
using (var source = new StorageFileImageSource(imageStorageFile))
using (var contrastEffect = new ContrastEffect(source)
{
Level = 0.6
})
using (var sharpnessEffect = new BrightnessEffect(contrastEffect)
{
Level = (EffectPercentage / 100)
})
{
LastEffect = sharpnessEffect;
return(await SaveToImage());
}
}
/// <summary>
/// Applies the effect.
/// </summary>
/// <returns>
/// An array of strings of the effect properties to change.
/// </returns>
public override string[] ApplyEffect()
{
var brightnessEffect = new BrightnessEffect
{
Name = EffectName,
Source = new CompositionEffectSourceParameter("source")
};
var propertyToChange = $"{EffectName}.WhitePoint";
var propertiesToAnimate = new[] { propertyToChange };
EffectBrush = Compositor.CreateEffectFactory(brightnessEffect, propertiesToAnimate).CreateBrush();
EffectBrush.SetSourceParameter("source", Compositor.CreateBackdropBrush());
return(propertiesToAnimate);
}
async Task Canvas_CreateResourcesAsync(CanvasControl sender)
{
bitmap = await CanvasBitmap.LoadAsync(sender, "imageTiger.jpg");
redBrush = CreateGradientBrush(sender, 255, 0, 0);
greenBrush = CreateGradientBrush(sender, 0, 255, 0);
blueBrush = CreateGradientBrush(sender, 0, 0, 255);
brightnessEffect = new BrightnessEffect {
Source = bitmap
};
saturationEffect = new SaturationEffect {
Source = brightnessEffect
};
hueEffect = new HueRotationEffect {
Source = saturationEffect
};
}
private ICanvasImage CreateBrightness()
{
var brightnessEffect = new BrightnessEffect
{
Source = bitmapTiger
};
// Animate the effect by changing parameters using sine waves of different frequencies.
animationFunction = elapsedTime =>
{
brightnessEffect.BlackPoint = new Vector2(((float)Math.Sin(elapsedTime * 0.7) + 1) / 5,
((float)Math.Sin(elapsedTime * 1.1) + 1) / 5);
brightnessEffect.WhitePoint = new Vector2(1 - ((float)Math.Sin(elapsedTime * 1.3) + 1) / 5,
1 - ((float)Math.Sin(elapsedTime * 1.7) + 1) / 5);
};
return(brightnessEffect);
}
public void Calculate_AppliesEffectOnHeightMap(double brightness)
{
// Arrange
var data = new double[, ] {
{ 0d, 0.25d, 0.5d, 0.75d, 1d }
};
var heightMap = new HeightMap(data);
var expected = MockImageEffect(heightMap, brightness);
var effect = new BrightnessEffect(brightness);
// Act
var actual = effect.Calculate(heightMap).Data;
// Assert
Assert.Equal(expected[0, 0], actual[0, 0]);
Assert.Equal(expected[0, 1], actual[0, 1]);
Assert.Equal(expected[0, 2], actual[0, 2]);
Assert.Equal(expected[0, 3], actual[0, 3]);
Assert.Equal(expected[0, 4], actual[0, 4]);
}
protected override void OnAssociatedObjectLoaded()
{
base.OnAssociatedObjectLoaded();
var visual = ElementCompositionPreview.GetElementVisual(AssociatedObject);
var compositor = visual.Compositor;
var brightnessEffect = new BrightnessEffect
{
Name = "BrightnessEffect",
Source = new CompositionEffectSourceParameter("source")
};
var effectFactory = compositor.CreateEffectFactory(brightnessEffect, new[] { "BrightnessEffect.WhitePoint" });
_brush = effectFactory.CreateBrush();
_brush.SetSourceParameter("source", compositor.CreateBackdropBrush());
//_brush.Properties.InsertScalar("BrightnessEffect.WhitePoint", 0f);
}
private ICanvasImage CreateBrightness()
{
var brightnessEffect = new BrightnessEffect
{
Source = bitmapTiger
};
// Animate the effect by changing parameters using sine waves of different frequencies.
animationFunction = elapsedTime =>
{
brightnessEffect.BlackPoint = new Vector2(((float)Math.Sin(elapsedTime * 0.7) + 1) / 5,
((float)Math.Sin(elapsedTime * 1.1) + 1) / 5);
brightnessEffect.WhitePoint = new Vector2(1 - ((float)Math.Sin(elapsedTime * 1.3) + 1) / 5,
1 - ((float)Math.Sin(elapsedTime * 1.7) + 1) / 5);
};
return brightnessEffect;
}
private ObservableCollection<VideoEffectsViewModel> CreateEditableEffects()
{
var effects = new ObservableCollection<VideoEffectsViewModel>();
m_contrastEffect = new ContrastEffect();
effects.Add(new VideoEffectsViewModel(m_contrastEffect, "contrast.png") { Name = "Contrast", MaxValue = 1.0, MinValue = -1.0 });
m_hueSaturationEffect = new HueSaturationEffect(m_contrastEffect);
effects.Add(new VideoEffectsViewModel(m_hueSaturationEffect, "saturation.png") { Name = "Hue", MaxValue = 1.0, MinValue = -1.0, PropertyName = "Hue" });
effects.Add(new VideoEffectsViewModel(m_hueSaturationEffect, "saturation.png") { Name = "Saturation", MaxValue = 1.0, MinValue = -1.0, PropertyName = "Saturation" });
m_brightnessEffect = new BrightnessEffect(m_hueSaturationEffect);
effects.Add(new VideoEffectsViewModel(m_brightnessEffect, "brightness.png") { Name = "Brightness", MaxValue = 1.0, MinValue = -1.0 });
return effects;
}
// Use this for initialization
void Start()
{
bright = GetComponent <BrightnessEffect>();
bloom = GetComponent <BloomOptimized>();
}
/// <summary>
/// TODO: Apply filter to image
/// </summary>
/// <param name="fileStream"></param>
private async void ApplyEffectAsync(IRandomAccessStream fileStream)
{
double scaleFactor = 1.0;
scaleFactor = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
_writeableBitmap = new WriteableBitmap((int)(Window.Current.Bounds.Width * scaleFactor), (int)(Window.Current.Bounds.Height * scaleFactor));
_grayscaleEffect = new GrayscaleEffect();
_brightnessEffect = new BrightnessEffect(_grayscaleEffect);
// m_renderer = new SwapChainPanelRenderer(_brightnessEffect, SwapChainPanelTarget);
string errorMessage = null;
try
{
// Rewind the stream to start.
fileStream.Seek(0);
// Set the imageSource on the effect and render.
((IImageConsumer)_grayscaleEffect).Source = new Lumia.Imaging.RandomAccessStreamImageSource(fileStream);
await m_renderer.RenderAsync();
}
catch (Exception exception)
{
errorMessage = exception.Message;
}
}
