On Tue, 10 Nov 2020 17:21:04 +0000, MRAB wrote: > On 2020-11-10 10:01, ChalaoAdda wrote: >> Hello, >> >> I have a list of canvas of images. I would like to display all the >> images. But it displays the last image. Here is my code. >> >> from tkinter import * >> from PIL import Image, ImageTk >> >> root = Tk() >> >> canvas_width = 265 canvas_height = 130 canvases = [] >> >> r, c = 0, 0 >> >> for tile in tiles: >> img = tile.image photo = ImageTk.PhotoImage(image=img) >> can = Canvas(root, width=canvas_width, height=canvas_height) >> can.create_image(0, 0, image=photo, anchor=NW) >> canvases.append(can) >> can.grid(row=r, column=c) >> >> c += 1 >> if c % 5 == 0: >> r += 1 c = 0 >> >> >> root.mainloop() >> > You need to keep a reference to the images. In your code, 'photo' still > refers to the last photoimage, so that's why it's displayed; there are > no references to the others, so they're garbage-collected. (You probably > expected that 'create_image' would keep a reference to the image, but it > doesn't. tkinter has its idiosyncrasies!) > > Try adding a list for the photoimages: > > ... > photos = [] > > for tile in tiles: > img = tile.image photo = ImageTk.PhotoImage(image=img) > photos.append(photo) > can = Canvas(root, width=canvas_width, height=canvas_height) > ...
Thanks a lot. -- https://mail.python.org/mailman/listinfo/python-list
