public Pixel Map(ISourceData data)
{
return(data.GetPixel(0, 0)
- data.GetPixel(1, 0)
- data.GetPixel(-1, 0)
- data.GetPixel(0, 1)
- (data.GetPixel(0, -1) * (1 / 64d)));
}
public Pixel Map(ISourceData data)
{
Pixel p0 = data.GetPixel(0, 0);
Pixel p1 = data.GetPixel(-1 * _amount, -1 * _amount);
Pixel p2 = data.GetPixel(1 * _amount, 1 * _amount);
Pixel p3 = data.GetPixel(-1 * _amount, 1 * _amount);
Pixel p4 = data.GetPixel(1 * _amount, -1 * _amount);
int r = ((p1.R + p2.R + p3.R + p4.R + p0.R)) / 5;
int g = ((p1.G + p2.G + p3.G + p4.G + p0.G)) / 5;
int b = ((p1.B + p2.B + p3.B + p4.B + p0.B)) / 5;
return(new Pixel(r, g, b, 255));
}
public Pixel Map(ISourceData data)
{
Pixel p = data.GetPixel(0, 0);
int r = PixelUtils.Clamp((int)((255.0 * Math.Pow(p.R / 255.0, 1.0 / _gammaCorrection)) + 0.5), 255, 0);
int g = PixelUtils.Clamp((int)((255.0 * Math.Pow(p.G / 255.0, 1.0 / _gammaCorrection)) + 0.5), 255, 0);
int b = PixelUtils.Clamp((int)((255.0 * Math.Pow(p.B / 255.0, 1.0 / _gammaCorrection)) + 0.5), 255, 0);
int a = PixelUtils.Clamp((int)((255.0 * Math.Pow(p.A / 255.0, 1.0 / _gammaCorrection)) + 0.5), 255, 0);
return(new Pixel(r, g, b, a));
}
public Pixel Map(ISourceData data)
{
return(Pixel.GetMeanValuePixel(
data.GetPixel(0 * amount, -1 * amount),
data.GetPixel(1 * amount, -1 * amount),
data.GetPixel(1 * amount, 0 * amount),
data.GetPixel(1 * amount, 1 * amount),
data.GetPixel(0 * amount, 1 * amount),
data.GetPixel(-1 * amount, -1 * amount),
data.GetPixel(-1 * amount, 0 * amount),
data.GetPixel(-1 * amount, 1 * amount)));
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="scale">The number of surounding pixels. Input 1 yeals a 3x3 matrix</param>
/// <returns></returns>
public static Pixel[,] GetPixelMatrix(ISourceData data, int scale)
{
if (scale < 1)
{
scale = 1;
}
int dimLength = scale * 3;
Pixel[,] matrix = new Pixel[dimLength, dimLength];
for (int r = 0; r < dimLength; r++)
{
int y = r - 1;
for (int i = 0; i < dimLength; i++)
{
int x = i - 1;
matrix[r, i] = data.GetPixel(x, y);
}
}
//matrix[0, 0] = data.GetPixel(-1, -1);
//matrix[0, 1] = data.GetPixel(0, -1);
//matrix[0, 2] = data.GetPixel(1, -1);
//matrix[1, 0] = data.GetPixel(-1, 0);
//matrix[1, 1] = data.GetPixel(0, 0);
//matrix[1, 2] = data.GetPixel(1, 0);
//matrix[2, 0] = data.GetPixel(-1, 1);
//matrix[2, 1] = data.GetPixel(0, 1);
//matrix[2, 2] = data.GetPixel(1, 1);
return(matrix);
}
//TODO
public Pixel Map(ISourceData data)
{
return(data.GetPixel(0, 0));
}
public Pixel Map(ISourceData data)
{
//TODO implement Gaussian filter
return(data.GetPixel(0, 0));
}
