[visionegg] Re: changing screen dimensions dynamically

I'm not sure if this is really answering your question, but when I've
had to pass properties to pygame that I would have normally passed via
glutInit() I've use the functions pytame.display.set_mode() or 
pygame.display.gl_set_attribute() methods:


http://www.pygame.org/docs/ref/pygame_display.html#set_mode
http://www.pygame.org/docs/ref/pygame_display.html#gl_set_attribute

for example:
pygame.display.gl_set_attribute(pygame.locals.GL_STENCIL_SIZE, 8)

So you should be able to set the double buffering flag this way,
although I believe it is turned on (by VisionEgg?) by default.

Best,

Simeon

On 1/26/06, Douglas Taylor <dtaylor@xxxxxxx> wrote:
> Would you also have to specify OPENGL and DOUBLEBUF
> or are these turned on by default. Thanks,
>
> Doug
>
>
> Mark Halko wrote:
>
> >
> > On Jan 26, 2006, at 11:16 AM, Russ Poldrack wrote:
> >
> >> hi - I'm writing a program that is meant to be run across multiple
> >> computers with different screen resolutions, and I'm wondering
> >> whether  there is any way to adjust the default size used by
> >> get_default_screen() to maximize the screen size depending upon the
> >> video resolution of the system?  The obvious way would be to have
> >> the  user enter the dimensions in the initial config window, but I
> >> would  like to make it automatic so that the user doesn't have to
> >> determine  what their screen resolution is.  I know how to get the
> >> maximum screen  size using Tk.  I see that there is a set_size()
> >> method under the  VisionEgg Screen class, but it seems to be
> >> deprecated.  One apparent  possibility is to turn off the initial
> >> display of the screen  using VisionEgg.config.VISIONEGG_GUI_INIT
> >> - however, it's not then  clear to me how to actually set the
> >> parameters and display the  screen.  Any suggestions would be most
> >> appreciated.
> >
> >
> > I'd use pygame to query the maximum screensize:
> > >>> import pygame
> > >>> pygame.display.init()
> > >>> pygame.display.list_modes()
> > [(1920, 1440), (1856, 1392), (1792, 1344), (1600, 1200), (1600,
> > 1024),  (1344, 1008), (1280, 1024), (1280, 960), (1152, 870), (1152,
> > 864),  (1024, 768), (832, 624), (800, 600), (640, 480)]
> >
> > or:
> > >>> max(pygame.display.list_modes())
> > (1920, 1440)
> >
> > You can then use the default constructor for the Screen class yourself:
> > screen = Screen(size = (1024, 768), fullscreen = True, red_bits = 8,
> > green_bits = 8, blue_bits = 8,alpha_bits = 8)
> >
> > where (1024,768) is your desired screen size.
> >
> > The get_default_screen is just an alternate constructor.  If you want
> > to use the config file for other options, you can omit them in the
> > constructor, and the constructor will find them in the config file
> > (at  least, that's what the source claims to do)
> >
> > Check the source for Screen.__init__ in Core.py :
> > http://visionegg.org/cgi-bin/viewcvs.cgi/trunk/visionegg/src/Core.py?
> > rev=1338&view=markup
> >
> >
> >>
> >> Also - is there any way to specify a particular VisionEgg.cfg file
> >> to  be read in, rather than the default locations?
> >
> >
> > I haven't personally done it, but in Configuration.py it says:
> >
> > However, You can specify a different filename and directory by setting
> > the environment variable VISIONEGG_CONFIG_FILE.
> >
> > Mark
> > =====================================
> > The Vision Egg mailing list
> > Archives: http://www.freelists.org/archives/visionegg
> > Website: http://www.visionegg.org/mailinglist.htm
> > l
>
>
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--
Simeon H.K. Fitch, Owner
Mustard Seed Software
1634 Brandywine Drive
Charlottesville, VA  22901
210.867.1616
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