def apply_piecewise_linear(self,
coordinates_x=[0, 255],
coordinates_y=[255, 0]):
image = filter.apply_piecewise_linear(self.current_image,
coordinates_x, coordinates_y)
self.update_memory_images(image)
return self.current_image
def apply_piecewise_linear(img, coordinates_x, coordinates_y):
r, g, b = rgb.get_rgb_layers(img)
r = filter.apply_piecewise_linear(r, coordinates_x, coordinates_y)
g = filter.apply_piecewise_linear(g, coordinates_x, coordinates_y)
b = filter.apply_piecewise_linear(b, coordinates_x, coordinates_y)
return rgb.merge_rgb_layers(r, g, b)
