3b1b-manim/scene/tk_scene.py
2015-10-12 19:39:46 -07:00

42 lines
1.3 KiB
Python

from scene import *
import Tkinter
from PIL import ImageTk, Image
import itertools as it
import time
class TkSceneRoot(Tkinter.Tk):
def __init__(self, scene):
if scene.frames == []:
raise Exception(str(scene) + " has no frames!")
Tkinter.Tk.__init__(self)
height, width = scene.shape
kwargs = {"height" : height, "width" : width}
self.frame = Tkinter.Frame(self, **kwargs)
self.frame.pack()
self.canvas = Tkinter.Canvas(self.frame, **kwargs)
self.canvas.configure(background='black')
self.canvas.place(x=0,y=0)
last_time = time.time()
for frame in it.cycle(scene.frames):
try:
self.show_new_image(frame)
except:
break
sleep_time = scene.frame_duration
sleep_time -= time.time() - last_time
time.sleep(max(0, sleep_time))
last_time = time.time()
self.mainloop()
def show_new_image(self, frame):
image = Image.fromarray(frame).convert('RGB')
image.resize(self.frame.size())
photo = ImageTk.PhotoImage(image)
self.canvas.delete(Tkinter.ALL)
self.canvas.create_image(
0, 0,
image = photo, anchor = Tkinter.NW
)
self.update()