1 files changed, 53 insertions, 0 deletions
diff --git a/Imaging/Scripts/enhancer.py b/Imaging/Scripts/enhancer.py
new file mode 100644
index 0000000..d581658
--- /dev/null
+++ b/Imaging/Scripts/enhancer.py
@@ -0,0 +1,53 @@
+#
+# The Python Imaging Library
+# $Id: enhancer.py 2134 2004-10-06 08:55:20Z fredrik $
+#
+# this demo script creates four windows containing an image and a slider.
+# drag the slider to modify the image.
+#
+
+from Tkinter import *
+import Image, ImageTk, ImageEnhance
+import sys
+
+#
+# enhancer widget
+
+class Enhance(Frame):
+    def __init__(self, master, image, name, enhancer, lo, hi):
+        Frame.__init__(self, master)
+
+        # set up the image
+        self.tkim = ImageTk.PhotoImage(image.mode, image.size)
+        self.enhancer = enhancer(image)
+        self.update("1.0") # normalize
+
+        # image window
+        Label(self, image=self.tkim).pack()
+
+        # scale
+        s = Scale(self, label=name, orient=HORIZONTAL,
+                  from_=lo, to=hi, resolution=0.01,
+                  command=self.update)
+        s.set(self.value)
+        s.pack()
+
+    def update(self, value):
+        self.value = eval(value)
+        self.tkim.paste(self.enhancer.enhance(self.value))
+
+#
+# main
+
+root = Tk()
+
+im = Image.open(sys.argv[1])
+
+im.thumbnail((200, 200))
+
+Enhance(root, im, "Color", ImageEnhance.Color, 0.0, 4.0).pack()
+Enhance(Toplevel(), im, "Sharpness", ImageEnhance.Sharpness, -2.0, 2.0).pack()
+Enhance(Toplevel(), im, "Brightness", ImageEnhance.Brightness, -1.0, 3.0).pack()
+Enhance(Toplevel(), im, "Contrast", ImageEnhance.Contrast, -1.0, 3.0).pack()
+
+root.mainloop()