86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
import random
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from tkinter import *
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from PIL import ImageTk, Image
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class ImageWindow:
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def __init__(self, window):
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self.window = Toplevel(window)
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self.window.title("Image")
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self.window.geometry("1280x1024")
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self.images = []
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self.timer = 0
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self.timer_label = None
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self.timer_check = None
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@staticmethod
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def maintain_aspect_ratio(event, aspect_ratio):
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new_width = event.width
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new_height = event.height
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new_aspect_ratio = new_width / new_height
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# Decide which dimension controls.
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if new_aspect_ratio > aspect_ratio:
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# Use width as the controlling dimension.
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desired_width = new_width
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desired_height = int(new_width / aspect_ratio)
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else:
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# Use height as the controlling dimension.
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desired_height = new_height
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desired_width = int(new_height * aspect_ratio)
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event.widget.resize(f'{desired_width}x{desired_height}')
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# Override if necessary.
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# if new_width != desired_width or new_height != desired_height:
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# # Manually give it the proper dimensions.
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# return "break" # Block further processing of this event.
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def update_timer(self, current):
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current -= 1
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if current > 0:
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self.timer_label.configure(text=current)
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self.timer_check = self.window.after(1000, self.update_timer, current)
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else:
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self.window.after_cancel(self.timer_check)
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def lets_draw(self, images, timer):
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self.images = images
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self.timer = timer
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canvas = Canvas(self.window)
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canvas.pack(fill=BOTH, expand=1)
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self.timer_label = Label(self.window, text="")
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self.timer_label.pack(side=BOTTOM)
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random.shuffle(self.images)
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image_timer = timer
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self.display_new_image()
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timer_check = self.window.after(1000, self.update_timer, image_timer)
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def display_new_image(self):
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ma = self.window.winfo_toplevel()
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w, h = ma.winfo_width(), ma.winfo_height()
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image_path = self.images[0]
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self.images.pop(0)
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image = Image.open(image_path)
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if image.size[0] > w or image.size[1] > h:
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if w < 3 or h < 3: # too small
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return # do nothing
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image.thumbnail((w - 2, h - 2), Image.ANTIALIAS)
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print("resized: win %s >= img %s", (w, h), image.size)
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image_to_display = ImageTk.PhotoImage(image)
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image_label = Label(self.window, image=image_to_display)
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# image_label.bind('<Configure>', lambda event: self.maintain_aspect_ratio(event, 1280 / 1024))
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image_label.image = image_to_display
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image_label.pack(side="top", fill="both", expand=1)
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# Position image
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# image_label.place(x=0, y=0)
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