Data commit

Task/Image-noise/Python/image-noise.py

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+import time
+import random
+import Tkinter
+import Image, ImageTk # PIL libray
+
+class App(object):
+    def __init__(self, size, root):
+        self.root = root
+        self.root.title("Image Noise Test")
+
+        self.img = Image.new("RGB", size)
+        self.label = Tkinter.Label(root)
+        self.label.pack()
+
+        self.time = 0.0
+        self.frames = 0
+        self.size = size
+        self.loop()
+
+    def loop(self):
+        self.ta = time.time()
+        # 13 FPS boost. half integer idea from C#.
+        rnd = random.random
+        white = (255, 255, 255)
+        black = (0, 0, 0)
+        npixels = self.size[0] * self.size[1]
+        data = [white if rnd() > 0.5 else black for i in xrange(npixels)]
+        self.img.putdata(data)
+        self.pimg = ImageTk.PhotoImage(self.img)
+        self.label["image"] = self.pimg
+        self.tb = time.time()
+
+        self.time += (self.tb - self.ta)
+        self.frames += 1
+
+        if self.frames == 30:
+            try:
+                self.fps = self.frames / self.time
+            except:
+                self.fps = "INSTANT"
+            print ("%d frames in %3.2f seconds (%s FPS)" %
+                  (self.frames, self.time, self.fps))
+            self.time = 0
+            self.frames = 0
+
+        self.root.after(1, self.loop)
+
+def main():
+    root = Tkinter.Tk()
+    app = App((320, 240), root)
+    root.mainloop()
+
+main()