From 26355ab5b517d65d87cfcb239fca5365ec49cd49 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Thu, 12 Aug 2010 21:42:43 +0000
Subject: added read-pixel method

---
diff --git a/TurtleArt/tacanvas.py b/TurtleArt/tacanvas.py
index 03f69fc..30431a7 100644
--- a/TurtleArt/tacanvas.py
+++ b/TurtleArt/tacanvas.py
@@ -566,6 +566,13 @@ class TurtleGraphics:
                                                            int(w), int(h)),
                                          False)
 
+    def read_pixel(self, x, y):
+        """ Read the pixel at x, y """
+        if self.tw.interactive_mode:
+            return self.canvas.get_pixel((x, y))
+        else:
+            return(-1, -1, -1, -1)
+
     def set_turtle(self, k, colors=None):
         """ Select the current turtle and associated pen status """
         if not self.tw.turtles.dict.has_key(k):
--
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