我正在尝试使用Tkinter进行幻灯片放映,但无法调整图像大小.它们仅显示为默认大小,而我想使它们统一.我可以使用 Image.open和调整大小来处理单个图像,但是我无法弄清楚如何使其在迭代中工作.感谢您的帮助:
import Tkinter as tk
from PIL import Image, ImageTk
from itertools import cycle
class App(tk.Tk):
def __init__(self, image_files, x, y, delay):
tk.Tk.__init__(self)
self.geometry('+{}+{}'.format(x,y))
self.delay = delay
self.pictures = cycle((ImageTk.PhotoImage(file=image), image) for image in image_files)
self.pictures = self.pictures
self.picture_display = tk.Label(self)
self.picture_display.pack()
def show_slides(self):
img_object, img_name = next(self.pictures)
self.picture_display.config(image=img_object)
self.title(img_name)
self.after(self.delay, self.show_slides)
def run(self):
self.mainloop()
delay = 3500
image_files = [
'c:/users/xxx/pictures/47487_10100692997065139_1074926086_n.jpg',
'E:\\1415\\20141216_105336.jpg'
]
x = 100
y = 50
app = App(image_files,x,y,delay)
app.show_slides()
app.run()
最佳答案
你已经很近了,但还没到那儿.因此,我更改了您的示例以使其起作用:
import Tkinter as tk
from PIL import Image, ImageTk
from itertools import cycle
class App(tk.Tk):
def __init__(self, image_files, x, y, delay):
tk.Tk.__init__(self)
self.geometry('+{}+{}'.format(x,y))
self.delay = delay
#self.pictures = cycle((ImageTk.PhotoImage(file=image), image) for image in image_files)
self.pictures = cycle(image for image in image_files)
self.pictures = self.pictures
self.picture_display = tk.Label(self)
self.picture_display.pack()
self.images = [] # to keep references to images.
def show_slides(self):
img_name = next(self.pictures)
image_pil = Image.open(img_name).resize((300, 300)) #<-- resize images here
self.images.append(ImageTk.PhotoImage(image_pil))
self.picture_display.config(image=self.images[-1])
self.title(img_name)
self.after(self.delay, self.show_slides)
def run(self):
self.mainloop()
delay = 3500
image_files = [
'./empty.gif',
'./empty2.gif',
'./empty1.gif'
]
x = 200
y = 150
app = App(image_files,x,y,delay)
app.show_slides()
app.run()
基本上,在制作ImageTk.PhotoImage实例之前,必须使用PIL图像来调整图像大小.在两个关键点上,我在示例中进行了注释,因此您知道要查找的位置.希望这可以帮助.
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