3b1b-manim/manimlib/utils/images.py
2019-06-03 23:41:05 -07:00

29 lines
695 B
Python

import numpy as np
import os
from PIL import Image
from manimlib.utils.file_ops import seek_full_path_from_defaults
def get_full_raster_image_path(image_file_name):
return seek_full_path_from_defaults(
image_file_name,
default_dir=os.path.join("assets", "raster_images"),
extensions=[".jpg", ".png", ".gif"]
)
def drag_pixels(frames):
curr = frames[0]
new_frames = []
for frame in frames:
curr += (curr == 0) * np.array(frame)
new_frames.append(np.array(curr))
return new_frames
def invert_image(image):
arr = np.array(image)
arr = (255 * np.ones(arr.shape)).astype(arr.dtype) - arr
return Image.fromarray(arr)