for (int i = 0; i < HEIGHT; i++)
		for (int j = 0; j < WIDTH; j++)
		{
			sf::Uint8 r = image_data_2D[i][j];
			sf::Uint8 g = image_data_2D[i][j] >> 8;
			sf::Uint8 b = image_data_2D[i][j] >> 16;
			sf::Uint8 a = 0xFF;
			image_data_1D->at(index++) = r;
			image_data_1D->at(index++) = g;
			image_data_1D->at(index++) = b;
			image_data_1D->at(index++) = a;
		}