def apply_gradient(self, filter_matrix):
image = filter.apply_gradient(self.current_image, filter_matrix)
self.update_memory_images(image)
return self.current_image
def apply_gradient(img, filter_matrix):
r, g, b = rgb.get_rgb_layers(img)
r = filter.apply_gradient(r, filter_matrix)
g = filter.apply_gradient(g, filter_matrix)
b = filter.apply_gradient(b, filter_matrix)
return rgb.merge_rgb_layers(r, g, b)
