private ICanvasImage CreateDisplacementMap()
{
var turbulence = new Transform2DEffect
{
Source = new TurbulenceEffect
{
Octaves = 4
}
};
var displacementEffect = new DisplacementMapEffect
{
Source = bitmapTiger,
Displacement = turbulence,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
};
// Animation moves the displacement map from side to side, which creates a rippling effect.
// It also gradually changes the displacement amount.
animationFunction = elapsedTime =>
{
turbulence.TransformMatrix = Matrix3x2.CreateTranslation((float)Math.Cos(elapsedTime) * 50 - 50,
(float)Math.Sin(elapsedTime) * 50 - 50);
displacementEffect.Amount = (float)Math.Sin(elapsedTime * 0.7) * 50 + 75;
currentEffectSize = bitmapTiger.Size.ToVector2() + new Vector2(displacementEffect.Amount / 2);
};
return(displacementEffect);
}
public Particle(int x, int y, int idxBitmap, float orientationx, float orientationy, CanvasRenderTarget source, float particlespeed = 0.25f, bool particlefall = false)
{
particleBitmap = idxBitmap;
Radius = (particleBitmap + 1) * 4;
X = x;
Y = y;
OrientationX = orientationx;
OrientationY = orientationy;
//Here is all the turbulence, without this is linear
random = generator.Next(2, 50);
factor = 0.7f * random / 10.0f;
var octaves = generator.Next(1, 5);
turbulence = new Transform2DEffect() { Source = new TurbulenceEffect() { Octaves = octaves } };
displacement = new DisplacementMapEffect() { Source = source, Displacement = turbulence };
speed = particlespeed;
fall = particlefall;
}
public void ProcessFrame(ProcessVideoFrameContext context)
{
using (CanvasBitmap input = CanvasBitmap.CreateFromDirect3D11Surface(canvasDevice, context.InputFrame.Direct3DSurface))
using (CanvasRenderTarget output = CanvasRenderTarget.CreateFromDirect3D11Surface(canvasDevice, context.OutputFrame.Direct3DSurface))
using (CanvasDrawingSession ds = output.CreateDrawingSession())
{
TimeSpan time = context.InputFrame.RelativeTime.HasValue ? context.InputFrame.RelativeTime.Value : new TimeSpan();
float dispX = (float)Math.Cos(time.TotalSeconds) * 75f;
float dispY = (float)Math.Sin(time.TotalSeconds) * 75f;
ds.Clear(Colors.Black);
var dispMap = new DisplacementMapEffect()
{
Source = input,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
Amount = 100f,
Displacement = new Transform2DEffect()
{
TransformMatrix = Matrix3x2.CreateTranslation(dispX, dispY),
Source = new BorderEffect()
{
ExtendX = CanvasEdgeBehavior.Mirror,
ExtendY = CanvasEdgeBehavior.Mirror,
Source = new TurbulenceEffect()
{
Octaves = 3
}
}
}
};
ds.DrawImage(dispMap, -25f, -25f);
}
}
public void ProcessFrame(ProcessVideoFrameContext context)
{
using (CanvasBitmap input = CanvasBitmap.CreateFromDirect3D11Surface(canvasDevice, context.InputFrame.Direct3DSurface))
using (CanvasRenderTarget output = CanvasRenderTarget.CreateFromDirect3D11Surface(canvasDevice, context.OutputFrame.Direct3DSurface))
using (CanvasDrawingSession ds = output.CreateDrawingSession())
{
TimeSpan time = context.InputFrame.RelativeTime.HasValue ? context.InputFrame.RelativeTime.Value : new TimeSpan();
float dispX = (float)Math.Cos(time.TotalSeconds) * 75f;
float dispY = (float)Math.Sin(time.TotalSeconds) * 75f;
ds.Clear(Colors.Black);
var dispMap = new DisplacementMapEffect()
{
Source = input,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
Amount = 100f,
Displacement = new Transform2DEffect()
{
TransformMatrix = Matrix3x2.CreateTranslation(dispX, dispY),
Source = new BorderEffect()
{
ExtendX = CanvasEdgeBehavior.Mirror,
ExtendY = CanvasEdgeBehavior.Mirror,
Source = new TurbulenceEffect()
{
Octaves = 3
}
}
}
};
ds.DrawImage(dispMap, -25f, -25f);
}
}
private ICanvasImage CreateDisplacementMap()
{
var turbulence = new Transform2DEffect
{
Source = new TurbulenceEffect
{
Octaves = 4
}
};
var displacementEffect = new DisplacementMapEffect
{
Source = bitmapTiger,
Displacement = turbulence,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
};
// Animation moves the displacement map from side to side, which creates a rippling effect.
// It also gradually changes the displacement amount.
animationFunction = elapsedTime =>
{
turbulence.TransformMatrix = Matrix3x2.CreateTranslation((float)Math.Cos(elapsedTime) * 50 - 50,
(float)Math.Sin(elapsedTime) * 50 - 50);
displacementEffect.Amount = (float)Math.Sin(elapsedTime * 0.7) * 50 + 75;
currentEffectSize = bitmapTiger.Size.ToVector2() + new Vector2(displacementEffect.Amount / 2);
};
return displacementEffect;
}
public void ProcessFrame(ProcessVideoFrameContext context)
{
var inputDirect3DSurface = context.InputFrame.Direct3DSurface;
float anyDpi = 96.0f;
var width = context.OutputFrame.Direct3DSurface.Description.Width;
var height = context.OutputFrame.Direct3DSurface.Description.Height;
// Part 1: Apply effect using Imaging SDK
CanvasRenderTarget renderTarget = new CanvasRenderTarget(canvasDevice, (float)width, (float)height, anyDpi);
if (inputDirect3DSurface != null && renderTarget != null)
{
if (m_direct3DSurfaceImageSource == null)
{
m_direct3DSurfaceImageSource = new Direct3DSurfaceImageSource();
}
m_direct3DSurfaceImageSource.Direct3DSurface = inputDirect3DSurface;
((IImageConsumer)m_grayScaleEffect).Source = m_direct3DSurfaceImageSource;
if (m_direct3DSurfaceRenderer == null)
{
m_direct3DSurfaceRenderer = new Direct3DSurfaceRenderer();
}
m_direct3DSurfaceRenderer.Direct3DSurface = renderTarget;
m_direct3DSurfaceRenderer.Source = m_grayScaleEffect;
var task = m_direct3DSurfaceRenderer.RenderAsync().AsTask();
task.Wait();
m_direct3DSurfaceRenderer.Direct3DSurface = null;
m_direct3DSurfaceImageSource.Direct3DSurface = null;
}
// Part 2: Apply another effect using Win2D
var size = context.OutputFrame.Direct3DSurface.Description.Width * context.OutputFrame.Direct3DSurface.Description.Height;
var colors = Enumerable.Repeat(Colors.Black, size).ToArray();
var inputBitmap = CanvasBitmap.CreateFromColors(canvasDevice, colors, width, height, anyDpi);
inputBitmap.CopyPixelsFromBitmap(renderTarget);
using (CanvasRenderTarget output = CanvasRenderTarget.CreateFromDirect3D11Surface(canvasDevice, context.OutputFrame.Direct3DSurface))
using (CanvasDrawingSession ds = output.CreateDrawingSession())
{
TimeSpan time = context.InputFrame.RelativeTime.HasValue ? context.InputFrame.RelativeTime.Value : new TimeSpan();
float dispX = (float)Math.Cos(time.TotalSeconds) * 75f;
float dispY = (float)Math.Sin(time.TotalSeconds) * 75f;
ds.Clear(Colors.Black);
var dispMap = new DisplacementMapEffect()
{
Source = inputBitmap,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
Amount = 100f,
Displacement = new Transform2DEffect()
{
TransformMatrix = Matrix3x2.CreateTranslation(dispX, dispY),
Source = new BorderEffect()
{
ExtendX = CanvasEdgeBehavior.Mirror,
ExtendY = CanvasEdgeBehavior.Mirror,
Source = new TurbulenceEffect()
{
Octaves = 3
}
}
}
};
ds.DrawImage(dispMap, -25f, -25f);
}
((IDisposable)renderTarget).Dispose();
((IDisposable)inputBitmap).Dispose();
}
public void ProcessFrame(ProcessVideoFrameContext context)
{
var inputDirect3DSurface = context.InputFrame.Direct3DSurface;
float anyDpi = 96.0f;
var width = context.OutputFrame.Direct3DSurface.Description.Width;
var height = context.OutputFrame.Direct3DSurface.Description.Height;
// Part 1: Apply effect using Imaging SDK
CanvasRenderTarget renderTarget = new CanvasRenderTarget(canvasDevice, (float)width, (float)height, anyDpi);
if (inputDirect3DSurface != null && renderTarget != null)
{
if (m_direct3DSurfaceImageSource == null)
{
m_direct3DSurfaceImageSource = new Direct3DSurfaceImageSource();
}
m_direct3DSurfaceImageSource.Direct3DSurface = inputDirect3DSurface;
((IImageConsumer)m_grayScaleEffect).Source = m_direct3DSurfaceImageSource;
if (m_direct3DSurfaceRenderer == null)
{
m_direct3DSurfaceRenderer = new Direct3DSurfaceRenderer();
}
m_direct3DSurfaceRenderer.Direct3DSurface = renderTarget;
m_direct3DSurfaceRenderer.Source = m_grayScaleEffect;
var task = m_direct3DSurfaceRenderer.RenderAsync().AsTask();
task.Wait();
m_direct3DSurfaceRenderer.Direct3DSurface = null;
m_direct3DSurfaceImageSource.Direct3DSurface = null;
}
// Part 2: Apply another effect using Win2D
var size = context.OutputFrame.Direct3DSurface.Description.Width * context.OutputFrame.Direct3DSurface.Description.Height;
var colors = Enumerable.Repeat(Colors.Black, size).ToArray();
var inputBitmap = CanvasBitmap.CreateFromColors(canvasDevice, colors, width, height, anyDpi);
inputBitmap.CopyPixelsFromBitmap(renderTarget);
using (CanvasRenderTarget output = CanvasRenderTarget.CreateFromDirect3D11Surface(canvasDevice, context.OutputFrame.Direct3DSurface))
using (CanvasDrawingSession ds = output.CreateDrawingSession())
{
TimeSpan time = context.InputFrame.RelativeTime.HasValue ? context.InputFrame.RelativeTime.Value : new TimeSpan();
float dispX = (float)Math.Cos(time.TotalSeconds) * 75f;
float dispY = (float)Math.Sin(time.TotalSeconds) * 75f;
ds.Clear(Colors.Black);
var dispMap = new DisplacementMapEffect()
{
Source = inputBitmap,
XChannelSelect = EffectChannelSelect.Red,
YChannelSelect = EffectChannelSelect.Green,
Amount = 100f,
Displacement = new Transform2DEffect()
{
TransformMatrix = Matrix3x2.CreateTranslation(dispX, dispY),
Source = new BorderEffect()
{
ExtendX = CanvasEdgeBehavior.Mirror,
ExtendY = CanvasEdgeBehavior.Mirror,
Source = new TurbulenceEffect()
{
Octaves = 3
}
}
}
};
ds.DrawImage(dispMap, -25f, -25f);
}
((IDisposable)renderTarget).Dispose();
((IDisposable)inputBitmap).Dispose();
}
