Pseudo-code for my demosaicing algorithms

demo.txt

function demosaic(img)
{
	largura, altura = img.tamanho
	R, G, B = 0, 1, 2

	for (int x = 0; x < largura; x++)
	{
		for (int y = 0; y < altura; y++)
		{
			red = ( img[x - 1, y - 1][R] + img[x + 1, y + 1][R] ) / 2
			green = ( img[x - 1, y - 1][G] + img[x + 1, y + 1][G] ) / 2
			blue = ( img[x - 1, y - 1][B] + img[x + 1, y + 1][B] ) / 2

			if (x % 2 == 0 and y % 2 == 0) // se ambas coordenadas forem pares
			{
				img[x, y] = (red, green, img[x, y][B])
			}
			else if (x % 2 != 0 and y % 2 != 0)
			{
				img[x, y] = (img[x, y][R], green, blue)
			}
			else {
				img[x, y] = (red, img[x, y][G], blue)
			}
		}
	}
}

demo2.txt

function demosaic(img)
{
	largura, altura = img.tamanho
	R, G, B = 0, 1, 2

	for (int x = 0; x < largura; x++)
	{
		for (int y = 0; y < altura; y++)
		{
			green = (img[x, y + 1][G] + img[x + 1, y][G]) / 2

			if (x % 2 == 0 and y % 2 == 0)
			{
				red = img[x + 1, y + 1][R]
				img[x, y] = (red, green, img[x, y][B])
			}
			else if (x % 2 != 0 and y % 2 != 0)
			{
				blue = img[x + 1, y + 1][B]
				img[x, y] = (img[x, y][R], green, blue)
			}
			else {
				red = img[x, y + 1][R]
				blue = img[x + 1, y][B]
				img[x, y] = (red, img[x, y][G], blue)
			}
		}
	}
}