intrpgui.m

ADSP TOOLBOX: Version 2.0 and gui m-files

function intrpgui(mode)
%INTRPGUI Graphical User Interface program for Signal interpolation.


% ADSP Toolbox: Version 2.0 
% For use with "Analog and Digital Signal Processing", 2nd Ed.
% Published by PWS Publishing Co.
%
% Ashok Ambardar, EE Dept. MTU, Houghton, MI 49931, USA
% http://www.ee.mtu/faculty/akambard.html
% e-mail: [e-mail]
% Copyright (c) 1998


v=matverch;
if v<5,
errordlg('This gui requires MATLAB 5.x and above','Version Error');
return,
end


if nargin == 0, mode = 0; end

if mode ~= 0,
   f = gcf;
   ui = get(f,'userdata');
   xn_edt = ui(3);
   sig_axs=ui(29);
   opr_axs=ui(32);
%   clear_btn = ui(9);
   curs_btn = ui(21);
   curs_dsp = ui(17:20);
end

if mode == 0,
   grey = [0.5,0.5,0.5];
   ltgrey = grey*1.5;
   dkgrey = grey*0.5;
   scrn_size = get(0,'screensize');
   fig_w = 620; fig_h = 440;
   flft = (scrn_size(3) - fig_w)/2;
   fbtm = (scrn_size(4) - fig_h)/2;


   ver_str = version;
   ver4    = length(findstr('4.',ver_str));
   if ver4,
      int_str = 'yes';
      f = figure('pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
            'name','Signal Interpolation','numbertitle','off',...
            'resize','off','vis','off','interruptible',int_str,...
            'color',dkgrey,'defaultaxesfontsize',10,...
            'defaulttextfontsize',10);
   else
      int_str = 'on';
      eval('f = colordef(''new'',''none'');');
      set(f,'pos',[flft,fbtm,fig_w,fig_h],'menubar','none',...
           'name','Signal Interpolation','numbertitle','off',...
           'resize','off','vis','off','interruptible',int_str,...
           'color',dkgrey,'defaultaxesfontsize',8,...
           'defaultuicontrolback',[0.5,0.5,0.5],...
           'defaulttextfontsize',8);
   end

%%% OPTIONS:%
   uim(1) = uimenu('label','OPTIONS');
   uim(2) = uimenu(uim(1),'label','Help and Info','callback','intrphlp');
   uim(3) = uimenu(uim(1),'label','Export Data','separator','on',...
                          'callback','intrpgui(15)');
   uim(4) = uimenu(uim(1),'label','Print Figure','separator','on',...
                          'callback','printdlg(gcf)');
   uim(5) = uimenu(uim(1),'label','Close and Exit','separator','on',...
                          'callback','close(gcf)');
   uim(6) = uimenu('label','   Axis Limits','separator','on',...
                          'callback','intrpgui(17)');
   uim(7) = uimenu('label','   Zoom ON','separator','on',...
                          'callback','intrpgui(18)');
   uim(8) = uimenu('label','   Zoom OFF','separator','on',...
                          'callback','intrpgui(19)');
   uim(9) = uimenu('label','   RESIZE','callback','intrpgui(20)');


%%%%%%%



   lft = 10; btm = fig_h - 5;
   ui(1) = uicontrol('style','frame','pos',[5,btm-142-24+90-74,175,60+74],...
           'back',grey,'fore',ltgrey);

   btm = btm - 42;
   ui(2) = uicontrol('style','text','pos',[lft,btm,30,17],...
           'string','x[n]','horiz','left');
   ui(3) = uicontrol('style','edit','pos',[lft+35,btm,130,18],...
           'back','w','string','1 2 5 4 1','callback','intrpplt');

   btm = btm - 22;
   ui(4) = uicontrol('style','text','pos',[lft,btm,70,17],...
           'string','Interpolate by','fore','c');

   ui(5) = uicontrol('style','edit','pos',[lft+75,btm,90,18],...
           'back','w','string','4','callback','intrpplt','userdata',0);
   btm = btm - 25;
   ui(6) = uicontrol('style','text','pos',[lft,btm,70,17],...
           'string','Method','fore','c');

   ui(7) = uicontrol('style','popup','pos',[lft+75,btm,90,20],...
           'string','Zero|Constant|Linear|Sinc|Raised cos|DFT','back','w',...
           'callback','intrpplt');
   btm = btm - 22;
   ui(8) = uicontrol('style','text','pos',[lft,btm,70,17],...
           'string','Value of R','fore','c','horiz','right','vis','on');

   ui(9) = uicontrol('style','edit','pos',[lft+75,btm,90,18],...
           'back','w','string','0.5','vis','on','callback','intrpplt');

   btm = btm -100;
   ui(21) = uicontrol('style','check','pos',[lft+100,btm,70,20],...
           'string','Cursor','back','y','callback','intrpgui(7)');


   ui(29) = axes('units','pixel','pos',[210,260,390,155],'box','on',...
            'color','k','xcolor','w','ycolor','w','xgrid','on','ygrid','on');
   title('Original Signal  x[n]');
   xlabel('DT  Index   [n]')
   ui(30) = line('xdata',0,'ydata',0,'color','y');
if ver4
   ui(31) = line('xdata',0,'ydata',0,'color','y','linestyle','o');
else
   ui(31) = line('xdata',0,'ydata',0,'color','y','linestyle','none',...
                 'marker','o');
end
   set(ui(29),'userdata',ui(30:31));
   % need to store the axis handle for the x[n]
   set(ui(6),'userdata',ui(29));


   ui(32) = axes('units','pixel','pos',[210,50,390,155],'box','on',...
            'color','k','xcolor','w','ycolor','w','xgrid','on','ygrid','on');
   title('Interpolated signal y[n]');
   xlabel('DT  Index   [n]')
   ui(33) = line('xdata',0,'ydata',0,'color','m');
if ver4
   ui(34) = line('xdata',0,'ydata',0,'color','m','linestyle','o');
else
   ui(34) = line('xdata',0,'ydata',0,'color','m','linestyle','none',...
                 'marker','o');
end
ui(35) = line('xdata',0,'ydata',0,'color','y');
if ver4
   ui(36) = line('xdata',0,'ydata',0,'color','y','linestyle','o','marker',8);
else
   ui(36) = line('xdata',0,'ydata',0,'color','y','linestyle','none',...
                 'marker','o','markersize',8);
end
   set(ui(32),'userdata',ui(33:36));



   pos = get(f,'pos');
   lef = pos(3)-166;
   bot = pos(4)-21;

   ui(17) = uicontrol('style','text','pos',[lef,bot,20,20],...
           'string','X ','horiz','right');
   ui(18) = uicontrol('style','text','pos',[lef+20,bot,60,20],...
           'string','','back','w');
   ui(19) = uicontrol('style','text','pos',[lef+85,bot,20,20],...
           'string','Y ','horiz','right');
   ui(20) = uicontrol('style','text','pos',[lef+105,bot,60,20],...
           'string','','back','w');
   set(ui(17:20),'vis','off');



   set(f,'userdata',ui);
   intrpplt;
   drawnow;
   set(f,'vis','on');


elseif mode == 7, % cursor
    if get(curs_btn,'value')
    set(curs_dsp,'vis','on');

    set(f,'WindowButtonMotionFcn','intrpgui(8)');

    else

  set(f,'Pointer','arrow','WindowButtonMotionFcn','');


   set(curs_dsp,'vis','off')
   set(curs_btn,'value',0),

    end


elseif mode == 8, % cursor movement
       h=gca;
       set(f,'currentaxes',h);
       lim=get(h,'pos');  % get current axis position
       c_p = [lim(1) lim(1)+lim(3) lim(2) lim(2)+lim(4)];
       f_p=get(f,'CurrentPoint'); % get co-ordinates of current point

     if f_p(1) < c_p(1) | f_p(1) > c_p(2) | f_p(2) < c_p(3) | f_p(2) > c_p(4)
        set(f,'Pointer','arrow');

        set(curs_dsp(2),'string','');
        set(curs_dsp(4),'string','');

     else
        curr_pt=get(h,'CurrentPoint');  % get current mouse position
        set(f,'Pointer','crosshair');
        set(curs_dsp(2),'string',num2str(curr_pt(1,1)));
        set(curs_dsp(4),'string',num2str(curr_pt(1,2)));
     end


elseif mode == 15, %Export data
intrpplt;
str1='Export original signal x[n] as';
str2='Export index of x[n] as';
str3='Export interpolated signal y[n] as';
str4='Export index of y[n] as';
exp_str={str1,str2,str3,str4};
exp_var={'origsig','origind','intrpsig','intrpind'};

expect=inputdlg(exp_str,'Save Variables as',1,exp_var);
if ~isempty(expect)
ht=get(ui(17),'userdata');%%% FIX FOR UIs 
ha=get(ui(18),'userdata');%%% FIX FOR UIs 

if ~isempty(expect{1}),assignin('base',expect{1},ht(:,2));end
if ~isempty(expect{2}),assignin('base',expect{2},ht(:,1));end
if ~isempty(expect{3}),assignin('base',expect{3},ha(:,2));end
if ~isempty(expect{4}),assignin('base',expect{4},ha(:,1));end
end


elseif mode == 16, % Axis Control Help
msgbox([' First click in a plot window.                             ',... 
'                  Then, come back and execute'],...
'Axis Control Info','help')

elseif mode == 17, % Axis Control
cur_axs=[];   cur_obj = gco;
   cur_par = get(cur_obj,'parent');
if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end

if isempty(cur_axs),intrpgui(16);
else
set(curs_btn,'value',0);
intrpgui(7); %%% REPLACE number BY CURSOR MODE 
%%%%%%%%%%%%%%%
if any(cur_axs==ui([29,32])),%%%% CHANGE UI numbers
if cur_axs==ui(29),txt='Original signal';%%%% CHANGE UI numbers
elseif cur_axs==ui(32),txt='Interpolated signal';%%%% CHANGE UI numbers
end

axlimdlg(txt,[1 1]); %[1 1]=auto +linear/log,  [1 0]=auto, no linear/log
else
intrpgui(16);
end
end


elseif mode == 18, % zoom on
set(curs_btn,'value',0);
intrpgui(7);                    % Use CURSOR MODE 
if get(ui(5),'userdata')==0  %%Change ui(15) to whatever
zoom on
set(ui(5),'userdata',1);
else
msgbox('Zoom is already ON.','Zoom Info','help')
end

elseif mode == 19, % zoom off
set(curs_btn,'value',0);
intrpgui(7);                    % Use CURSOR MODE 
if get(ui(5),'userdata')==1

%%%%%Insert old zoom off here
set(f,'currentaxes',ui(29));
zoom out,zoom reset,zoom off
set(f,'currentaxes',ui(32));
zoom out,zoom reset,zoom off
set(ui(5),'userdata',0);
else
msgbox('Zoom is already OFF.','Zoom Info','help')
end



elseif mode == 20, % mouse functionality
cur_axs = [];   cur_obj = gco;
   cur_par = get(cur_obj,'parent');


if ~isempty(cur_par)
   if cur_par == f,
      cur_axs = cur_obj;
   else
      cur_axs = cur_par;
   end
end


if isempty(cur_axs),intrpgui(16);return,end


   if any(cur_axs == [sig_axs,opr_axs]),
      axes(cur_axs);
         tit_str = get(get(cur_axs,'title'),'string');
         axs_pos = get(cur_axs,'pos');
         if axs_pos(4) == 155, % need to maximize
               set([sig_axs,opr_axs],'vis','off');
            set(cur_axs,'pos',[210,50,390,365],'vis','on');

         else % minimization
              set(sig_axs,'pos',[210,260,390,155],'vis','on');
              set(opr_axs,'pos',[210,50,390,155],'vis','on');

         end
   else
         intrpgui(16);
   end



end