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Re: [Discuss-gnuradio] gnuradio on osx 10.6.4

From: Elvis Dowson
Subject: Re: [Discuss-gnuradio] gnuradio on osx 10.6.4
Date: Thu, 22 Jul 2010 00:44:20 +0400

Hi Josh,

On Jul 22, 2010, at 12:12 AM, Josh Blum wrote:

it seems wx uses color with a "u" and the compatibility layer that wraps colour as color is not present for you. Try changing this to Colour and if it works send the patch. That should work as a general solution.

Yes, I just discovered this. 

Here is the patch:

diff --git a/gr-wxgui/src/python/plotter/gltext.py b/gr-wxgui/src/python/plotter/gltext.py
index 67f62ca..617d123 100644
--- a/gr-wxgui/src/python/plotter/gltext.py
+++ b/gr-wxgui/src/python/plotter/gltext.py
@@ -193,7 +193,7 @@ class TextElement(object):
         img   = wx.ImageFromBitmap(bmp)
         alpha = img.GetData()
-        if isinstance(self._foreground, wx.Color):  
+        if isinstance(self._foreground, wx.Colour):  
             If we have a static color...  

Once I changed this to wx.Colour, it didn't show the previous error. how ever, now I get something related to the OpenGL rendering context:

$ python scopesink_gl.py

input rate 1000000.0  v_scale None  t_scale 3e-05
Traceback (most recent call last):
  File "/Users/elvis/Tool/gnuradio-next/gr-wxgui/src/python/plotter/plotter_base.py", line 187, in _on_paint
    for fcn in self._draw_fcns: fcn[1]()
  File "/Users/elvis/Tool/gnuradio-next/gr-wxgui/src/python/plotter/plotter_base.py", line 59, in draw
  File "/Users/elvis/Tool/gnuradio-next/gr-wxgui/src/python/plotter/grid_plotter_base.py", line 248, in _draw_grid
    (scaled_tick, self.height-self.padding_bottom),
  File "/Users/elvis/Tool/gnuradio-next/gr-wxgui/src/python/plotter/grid_plotter_base.py", line 356, in _draw_grid_line
  File "/Library/Python/2.6/site-packages/OpenGL/latebind.py", line 45, in __call__
    return self._finalCall( *args, **named )
  File "/Library/Python/2.6/site-packages/OpenGL/wrapper.py", line 532, in wrapperCall
  File "/Library/Python/2.6/site-packages/OpenGL/arrays/arrayhelpers.py", line 153, in __call__
    contextdata.setValue( self.constant, pyArgs[self.pointerIndex] )
  File "/Library/Python/2.6/site-packages/OpenGL/contextdata.py", line 57, in setValue
    context = getContext( context )
  File "/Library/Python/2.6/site-packages/OpenGL/contextdata.py", line 40, in getContext
    """Attempt to retrieve context when no valid context"""
OpenGL.error.Error: Attempt to retrieve context when no valid context

Best regards,

Elvis Dowson

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