changelog
    
    
    - Thu, 09 Feb 2017 20:07:45 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 20:07:45 +0200] rev 1112
 
    - Fixed potential memory leak
 
    - Thu, 09 Feb 2017 19:59:27 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 19:59:27 +0200] rev 1111
 
    - Replaced GLRenderer::m_width and GLRenderer::m_height with width() and height() calls.
 
    - Thu, 09 Feb 2017 19:57:43 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 19:57:43 +0200] rev 1110
 
    - Moved more business logic out of GLRenderer into Canvas. GLRenderer::pick(const QRange&) now returns a set of LDObjects without modifying them. Replaced the GLRenderer::pick(int, int) overload with GLRenderer::pickOneObject.
 
    - Thu, 09 Feb 2017 19:32:41 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 19:32:41 +0200] rev 1109
 
    - Made GLRenderer's Model pointer const
 
    - Thu, 09 Feb 2017 13:26:44 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:26:44 +0200] rev 1108
 
    - Moved more editing-related methods to Canvas.
 
    - Thu, 09 Feb 2017 13:17:22 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:17:22 +0200] rev 1107
 
    - Removed the unneeded makeCurrent overload
 
    - Thu, 09 Feb 2017 13:13:46 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:13:46 +0200] rev 1106
 
    - Moved more methods only used by canvas code from GLRenderer to Canvas. Thin border pen is now a static constant.
 
    - Thu, 09 Feb 2017 13:07:47 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:07:47 +0200] rev 1105
 
    - Moved triangle count rendering to Canvas
 
    - Thu, 09 Feb 2017 13:05:31 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 13:05:31 +0200] rev 1104
 
    - Moved document editing methods from GLRenderer to Canvas
 
    - Thu, 09 Feb 2017 11:53:55 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 11:53:55 +0200] rev 1103
 
    - Created a new GLRenderer derivative class "Canvas" and made MainWindow use it
 
    - Thu, 09 Feb 2017 01:08:57 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 01:08:57 +0200] rev 1102
 
    - Cleaned up code in LDDocument and removed unnecessary flags and methods. Flags turned into bools.
 
    - Thu, 09 Feb 2017 01:00:31 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 01:00:31 +0200] rev 1101
 
    - Removed some unused code
 
    - Thu, 09 Feb 2017 00:52:23 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 00:52:23 +0200] rev 1100
 
    - Removed all overlay support. It's a messy pile of mess and I will reimplement it later as background images and it will be much better then.
 
    - Thu, 09 Feb 2017 00:45:44 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 09 Feb 2017 00:45:44 +0200] rev 1099
 
    - GLRenderer no longer exposes the model pointer.