new examples

Author: furas

__images__/README.md

@@ -0,0 +1,8 @@
+
+Images used in some examples.
+
+I put them here so I don't have to search new images for new examples.
+
+![#1](ball1.gif?raw=true)
+![#2](ball2.gif?raw=true)
+![#3](ball3.gif?raw=true)

__images__/ball1.gif

@@ -0,0 +1,4 @@
+
+# AnimatedLabel
+
+![#1](images/image.png?raw=true)

__images__/ball2.gif

@@ -4,72 +4,99 @@
 import tkinter as tk
 from PIL import Image, ImageTk
 
+
+
 class AnimatedLabel(tk.Label):
 
-    def __init__(self, *args, images=None, delay=100, state='Idle', **kwargs):
+    def __init__(self, *args, images=None, delay=100, **kwargs):
         super().__init__(*args, **kwargs)
 
         self.images = images
         self.delay = delay
-        self.state = state
+
         self.current_frame = 0
+        self.running = False
+    
+        self.job_id = None
+            
+    def start(self):     
+        if not self.running:
+            self.running = True   
+            self.next_frame()
+        else:
+            print("already running")
 
-    def start(self):        
-        self.next_frame()
-        
+    def stop(self):
+        if self.running:
+            self.running = False
+            if self.job_id:
+                self.after_cancel(self.job_id)
+        else:
+            print("not running")
+            
     def next_frame(self):
-        if self.state == 'Idle':
+    
+        if self.running:
             # change image
             self.frame = self.images[self.current_frame]
             self.configure(image=self.frame)
 
             # get next frame (or first frame)
             self.current_frame = (self.current_frame+1) % len(self.images)
 
-        # run again after 'delay' milliseconds
-        self.after(self.delay, self.next_frame)
+            # run again after 'delay' milliseconds
+            self.job_id = self.after(self.delay, self.next_frame)
 
-class Application():
 
-    def __init__(self):
-
-        # WINDOW SETUP
-        self.root = tk.Tk()
-        self.root.geometry('512x512')
-        self.root.protocol('WM_DELETE_WINDOW', self.annihilation)
+class Application(tk.Tk):
+    
+    def __init__(self, width=500, height=500):
+        super().__init__()
+        
+        #self.geometry('{}x{}'.format(width, height))
+        self.protocol('WM_DELETE_WINDOW', self.on_exit)
 
+        # images for both animations
         self.load_images()
 
-        # CALL THE ANIMATION FUNCTION
-        self.animation1 = AnimatedLabel(self.root, images=self.images, delay=500)
-        self.animation1.place(relx=.5, rely=.5, anchor="c")
+        # create two aniamted labels with different speed/delay
+        
+        self.animation1 = AnimatedLabel(self, images=self.images, delay=500)
+        self.animation1.pack(side='left')
 
+        self.animation2 = AnimatedLabel(self, images=self.images, delay=250)
+        self.animation2.pack(side='left')
+        
+        self.animation3 = AnimatedLabel(self, images=self.images, delay=125)
+        self.animation3.pack(side='left')
 
-        self.animation2 = AnimatedLabel(self.root, images=self.images, delay=125)
-        self.animation2.place(relx=.1, rely=.1, anchor="c")
+        # start both at the same moment
 
         self.animation1.start()
         self.animation2.start()
+        self.animation3.start()
 
-        self.root.mainloop()
-
+    def run(self):
+        self.mainloop()
 
-    # LIST OF IMAGES
-    def load_images(self):
+    def load_images(self, size=None):
         self.filenames = [
-            'Obrazy/21586784_1642005829205281_8345912444787042013_o.jpg',
-            'Obrazy/37884728_1975437959135477_1313839270464585728_n.jpg'            
-            #'Image1.tif',
-            #'Image2.tif',
+            'ball1.png', 
+            'ball2.png', 
+            'ball3.png',
         ]
         self.images = []
         for filename in self.filenames:
-            img = ImageTk.PhotoImage(Image.open(filename).resize((512, 512)))
+            img = Image.open(filename)
+            if size:
+                img = img.resize((size, size))
+            img = ImageTk.PhotoImage(img)
             self.images.append(img)
 
-    def annihilation(self):
-        #self.root.eval('::ttk::CancelRepeat')
-        self.state = 'Quitting'
-        self.root.destroy()
+    def on_exit(self):
+        #self.eval('::ttk::CancelRepeat')
+        self.destroy()
 
-Application()
+if __name__ == '__main__':
+    app = Application()
+    app.run()