| static private gaussianConvolution ( double matrix, double deviation ) : ].double[ | ||
| matrix | double | |
| deviation | double | |
| return | ].double[ | |
public static Color[] createBlurredGrayscaleTexture(
Color[] srcData,
int width,
int height,
double deviation = 1)
{
var destData = new Color[width * height];
var matrix = new double[width, height];
// first we calculate the grayscale and store it in matrix
for (var i = 0; i < width; i++)
{
for (var j = 0; j < height; j++)
{
matrix[i, j] = srcData[i + j * width].grayscale().R;
}
}
matrix = GaussianBlur.gaussianConvolution(matrix, deviation);
for (var i = 0; i < width; i++)
{
for (var j = 0; j < height; j++)
{
var val = (int)Math.Min(255, matrix[i, j]);
destData[i + j * width] = new Color(val, val, val, srcData[i + j * width].A);
}
}
return(destData);
}
public static Color[] createBlurredTexture(Color[] srcData, int width, int height, double deviation = 1)
{
var matrixR = new double[width, height];
var matrixG = new double[width, height];
var matrixB = new double[width, height];
var matrixA = new double[width, height];
var destData = new Color[width * height];
// first we calculate the grayscale and store it in matrix
for (var i = 0; i < width; i++)
{
for (var j = 0; j < height; j++)
{
matrixR[i, j] = srcData[i + j * width].R;
matrixG[i, j] = srcData[i + j * width].G;
matrixB[i, j] = srcData[i + j * width].B;
matrixA[i, j] = srcData[i + j * width].A;
}
}
matrixR = GaussianBlur.gaussianConvolution(matrixR, deviation);
matrixG = GaussianBlur.gaussianConvolution(matrixG, deviation);
matrixB = GaussianBlur.gaussianConvolution(matrixB, deviation);
matrixA = GaussianBlur.gaussianConvolution(matrixA, deviation);
for (var i = 0; i < width; i++)
{
for (var j = 0; j < height; j++)
{
var r = (int)Math.Min(255, matrixR[i, j]);
var g = (int)Math.Min(255, matrixG[i, j]);
var b = (int)Math.Min(255, matrixB[i, j]);
var a = (int)Math.Min(255, matrixA[i, j]);
destData[i + j * width] = new Color(r, g, b, a);
}
}
return(destData);
}