def convert_to_rgba(self, matrix):
        #print(matrix)
        new_matrix = []
        for x in range(0,len(matrix)):
            line = []
            for y in range(0,len(matrix[x])):
                #pixel
                pixel = matrix[x][y]
                new_pixel = [pixel[0],pixel[1],pixel[2], 255]
                line.append(new_pixel)
            new_matrix.append(line)
        return np.array(new_matrix)