www.gusucode.com > 声音的处理有：LPC，FFT，共振峰，频谱源码程序 > siganlandsystemusingMatlab/SSUM/library/setdefaults.m

    function setdefaults(varargin)
	% Figure defaults
	
	if nargin < 1
		action = 'default';
	else
		action = varargin{1};
	end

    % Get screen size in Characters
    set(0,'Units','Characters');
    Pix_SS = get(0,'ScreenSize');
	
	set(gcf,'units','Characters');
	oldP = get(gcf,'Position');
	% Check if figure goes outside of screen

	if oldP(3) > Pix_SS(3)
		oldP(3) = Pix_SS(3);
	end
	if oldP(4) > Pix_SS(4)
		oldP(4) = Pix_SS(4);
	end

	% Now place figure so that it displays correctly
	switch action
		case 'menu'
			switch computer
				case {'GLNX86','MAC'}
					set(gcf,'Position',[floor(Pix_SS(3)*0.01) floor(Pix_SS(4)*0.5) oldP(3) oldP(4)]);
				case 'PCWIN'
					%set(gcf,'Position',[100 300 oldP(3) oldP(4)]);
			end
		case 'default'
			switch computer
				case {'GLNX86','MAC'}
					set(gcf,'Position',[1 3 oldP(3) oldP(4)]);
				case 'PCWIN'
					set(gcf,'Position',[0 0 oldP(3) oldP(4)]);
			end
	end

% Supress log(zero) warnings.
% warning('off','MATLAB:LogofZero');
% Doesn't seem to work on Linux
%warning off all