From bc6ec37e87d81367f97157dfd3366f4938c8af00 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Thu, 12 Aug 2010 22:41:29 +0000
Subject: Turtle 'sees'

---
(limited to 'TurtleArt/talogo.py')

diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index 84da6d3..5f2a6d5 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -324,6 +324,7 @@ class LogoCode:
         'savepix':[1, lambda self, x: self.save_picture(x)],
         'savesvg':[1, lambda self, x: self.save_svg(x)],
         'scale':[0, lambda self: self.scale],
+        'see':[0, lambda self: self.see()],
         'setcolor':[1, lambda self, x: self.tw.canvas.setcolor(x)],
         'setgray':[1, lambda self, x: self.tw.canvas.setgray(x)],
         'seth':[1, lambda self, x: self.tw.canvas.seth(x)],
@@ -1171,6 +1172,12 @@ class LogoCode:
                 self.tw.canvas.draw_text(text, int(x), int(y),
                                          self.body_height, int(w))
 
+    def see(self):
+        """ Read r, g, b from the canvas and return a corresponding palette
+        color """
+        r, g, b, a = self.tw.canvas.get_pixel()
+        return self.tw.canvas.get_color_index(r, g, b)
+
     def read_pixel(self):
         """ Read r, g, b, a from the canvas and push b, g, r to the stack """
         r, g, b, a = self.tw.canvas.get_pixel()
--
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