Function windows
ImageWindowRange factory function
Examples
// Convolution with emboss kernel
float[3][3] kernel = [
[-1, -1, 0],
[-1, 0, 1],
[ 0, 1, 1],
];
foreach(window, x, y; inputImage .windows(3, 3))
{
Color4f sum = Color4f(0, 0, 0);
foreach(ref Color4f pixel, x, y; window)
sum += pixel * kernel[y][x];
outputImage[x, y] = sum / 4.0f + 0.5f;
}