MATLAB Programming/Psychtoolbox/ptb ind screen setup.m

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% ptb_ind_screen_setup.m
% 
% This script is used to set up the psychtoolbox screen function in a 
% universal way to allow the same program to be run on windows, OS X,
% and classic mac.
% 
% Revision History:
% RobKohr - April 7, 2005 - First draft



% If there are multiple displays guess that one without the menu bar is the
% best choice.  Dislay 0 has the menu bar.
screens=Screen('Screens');

    %if screenNumber is set prior to running this 
    %we will keep that value
if not(exist('screenNumber','var'))
    screenNumber=max(screens);
end

v = version;
v = str2num(v(1));
osx = 0;
oldmac = 0;
win = 0;

if(strcmp(computer, 'MAC')|strcmp(computer, 'MAC2'))
    if(v<6) %classic mode
        comp_type = 'oldmac';
        oldmac=1;
    else
        comp_type = 'osx';
        osx =1;
    end
else
    comp_type = 'win';
    win=1;
end


if(oldmac|win)
    [window_ptr, window_rect]= Screen(screenNumber, 'OpenWindow', [0, 0, 0]);
    window = Screen(window_ptr, 'OpenOffscreenWindow', [0,0,0], window_rect);
    blank = Screen(window_ptr, 'OpenOffscreenWindow', [0,0,0], window_rect);
else
    [window, window_rect]= Screen(screenNumber,'OpenWindow', 0, [], 32, 2);
end