#5767 NORM Future : Chat messages not very readable if the person has light colors

[Zarro Boogs per Child]

#5767: Chat messages not very readable if the person has light colors
----------------------------+-----------------------------------------------
  Reporter:  sjoerd         |       Owner:  morgs         
      Type:  defect         |      Status:  new           
  Priority:  normal         |   Milestone:  Future Release
 Component:  chat-activity  |     Version:                
Resolution:                 |    Keywords:  relnote       
  Verified:  0              |    Blocking:                
 Blockedby:                 |  
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Comment(by matthias):

 One solution would be to choose a text color depending on the background.
 The following lines solves this for me:
 {{{
 #!python
   color_fill_rgba = Color(color_fill).get_rgba()
   color_fill_gray = (color_fill_rgba[0] + color_fill_rgba[1] +
 color_fill_rgba[2])/3
   ...
   if color_fill_gray < 0.5:
       text_color = COLOR_WHITE.get_int()
   else:
       text_color = COLOR_BLACK.get_int()
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/5767#comment:5>
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