File: iViewXEraseScreen.m

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psychtoolbox-3 3.0.9%2Bsvn2579.dfsg1-1
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function iViewXEraseScreen(ivx)

% OS X version
if ~isempty(ivx.window)
Screen('FillRect',ivx.window, ivx.backgroundColour);
Screen('Flip',ivx.window);
else
    fprintf([mfilename ': cannot erase screen, no window defined\n']);
end