private void CanvasAnimatedControl_OnCreateResources(CanvasAnimatedControl sender, CanvasCreateResourcesEventArgs args)
{
// blobs
_blobs = new List<Blob>();
var rnd = new Random();
for (int i = 0; i < BlobCount; i++)
{
_blobs.Add(new Blob
{
Position = new Vector2((float) (rnd.NextDouble()*sender.Size.Width), (float) (rnd.NextDouble()*sender.Size.Height)),
Velocity = new Vector2(BlobVelocityScale * (float) ((rnd.NextDouble()*3.0f) - 1.5f), BlobVelocityScale * (float) ((rnd.NextDouble()*3.0f) - 1.5f))
});
}
// texture
var rgb = new CanvasRadialGradientBrush(sender, new[]
{
new CanvasGradientStop
{
Color = Color.FromArgb(255, 128, 128, 255),
Position = 0.0f
},
new CanvasGradientStop
{
Color = Color.FromArgb(128, 128, 128, 255),
Position = 0.6f
},
new CanvasGradientStop
{
Color = Color.FromArgb(0, 128, 128, 255),
Position = 1.0f
}
});
rgb.RadiusX = rgb.RadiusY = BlobSize;
_blobBrush = rgb;
// table transfer table
ttt = new List<float>();
for (int i = 0; i < 100; i++)
{
ttt.Add(i < Threshold ? 0.0f : 1.0f);
}
// setup
_blobRenderTarget = new CanvasRenderTarget(sender, sender.Size);
_pre = new PremultiplyEffect {Source = _blobRenderTarget};
_tte = new TableTransferEffect {ClampOutput = true, Source = _pre};
_tte.AlphaTable = _tte.RedTable = _tte.GreenTable = _tte.BlueTable = ttt.ToArray();
_un = new UnPremultiplyEffect {Source = _tte};
_gbe = new GaussianBlurEffect {BlurAmount = 8.0f, Source = _un};
_mask = new CanvasImageBrush(sender) {SourceRectangle = new Rect(new Point(), sender.Size)};
}
public void Loadd()
{
MAIN = new Transform2DEffect {
Source = Shape,
};
var c = color;
c.A = (byte)(255 * (density));
ICanvasImage Main()
{
if (Texture == null)
{
return(MAIN);
}
return(new ArithmeticCompositeEffect {
Source1 = MAIN,
Source2 = new TileEffect {
Source = Texture,
SourceRectangle = new Rect(0, 0, Texture.Size.Width, Texture.Size.Height)
},
MultiplyAmount = 1,
Source1Amount = 0,
Source2Amount = 0,
});
}
ICanvasImage Color()
{
var cc = new PremultiplyEffect {
Source = new ColorSourceEffect {
Color = c
}
};
if (blend == 0 && dilution == 0)
{
ECAN = null;
return(cc);
}
ECAN = new TileEffect {
Source = new GaussianBlurEffect {
Source = Canvas,
}
};
return(new ArithmeticCompositeEffect {
Source1 = new CompositeEffect {
Sources =
{
new PremultiplyEffect {
Source = cc
},
new LinearTransferEffect {
Source = ECAN, AlphaSlope = blend
}
}
},
MultiplyAmount = 0,
Source1Amount = 1 - dilution,
Source2 = ECAN,
Source2Amount = dilution,
});
}
MASK = new LuminanceToAlphaEffect {
Source = Main(),
};
ERAS = new ArithmeticCompositeEffect {
Source1 = Color(),
Source2 = new InvertEffect {
Source = new LuminanceToAlphaEffect {
Source = Main(),
}
},
MultiplyAmount = 1,
Source1Amount = 0,
Source2Amount = 0,
};
}
