Matlab學(xué)習(xí)與實(shí)驗(yàn)教程-第10章 MATLAB圖形用戶界面設(shè)計(jì)

PAGE29第10章MATLAB圖形用戶界面設(shè)計(jì)第10章MATLAB圖形用戶界面設(shè)計(jì)例10-1screen=get(0,'ScreenSize');W=screen(3);H=screen(4);figure('Color',[1,1,1],'Position',[0.2*H,0.2*H,0.5*W,0.3*H],...'Name','圖形演示系統(tǒng)','NumberTitle','off','MenuBar','none');%定義Plot菜單項(xiàng)hplot=uimenu(gcf,'Label','&Plot');uimenu(hplot,'Label','SineWave','Call',...['t=-pi:pi/20:pi;','plot(t,sin(t));',...'set(hgon,''Enable'',''on'');',...'set(hgoff,''Enable'',''on'');',...'set(hbon,''Enable'',''on'');',...'set(hboff,''Enable'',''on'');']);uimenu(hplot,'Label','CosineWave','Call',...['t=-pi:pi/20:pi;','plot(t,cos(t));',...'set(hgon,''Enable'',''on'');',...'set(hgoff,''Enable'',''on'');',...'set(hbon,''Enable'',''on'');',...'set(hboff,''Enable'',''on'');']);%定義Option菜單項(xiàng)hoption=uimenu(gcf,'Label','&Option');hgon=uimenu(hoption,'Label','&Gridon',...'Call','gridon','Enable','off');hgoff=uimenu(hoption,'Label','&Gridoff',...'Call','gridoff','Enable','off');hbon=uimenu(hoption,'Label','&Boxon',...'separator','on','Call','boxon','Enable','off');hboff=uimenu(hoption,'Label','&Boxoff',...'Call','boxoff','Enable','off');hwincor=uimenu(hoption,'Label','&WindowColor','Separator','on');uimenu(hwincor,'Label','&Red','Accelerator','r',...'Call','set(gcf,''Color'',''r'');');uimenu(hwincor,'Label','&Blue','Accelerator','b',...'Call','set(gcf,''Color'',''b'');');uimenu(hwincor,'Label','&Yellow','Call',...'set(gcf,''Color'',''y'');');uimenu(hwincor,'Label','&White','Call',...'set(gcf,''Color'',''w'');');%定義Quit菜單項(xiàng)uimenu(gcf,'Label','&Quit','Call','close(gcf)');例10-2x=0:pi/100:2*pi;y=2*sin(5*x).*sin(x);hl=plot(x,y);hc=uicontextmenu; %建立快捷菜單hls=uimenu(hc,'Label','線型'); %建立菜單項(xiàng)hlw=uimenu(hc,'Label','線寬');uimenu(hls,'Label','虛線','Call','set(hl,''LineStyle'','':'');');uimenu(hls,'Label','實(shí)線','Call','set(hl,''LineStyle'',''-'');');uimenu(hlw,'Label','加寬','Call','set(hl,''LineWidth'',2);');uimenu(hlw,'Label','變細(xì)','Call','set(hl,''LineWidth'',0.5);');set(hl,'UIContextMenu',hc); %將該快捷菜單和曲線對(duì)象聯(lián)系起來例10-3hf=figure('Color',[0,1,1],'Position',[100,200,400,200],...'Name','數(shù)制轉(zhuǎn)換','NumberTitle','off','MenuBar','none');uicontrol(hf,'Style','Text','Position',[80,160,40,20],...'Horizontal','center','String','輸入框','Back',[0,1,1])uicontrol(hf,'Style','Text','Position',[280,160,40,20],...'Horizontal','center','String','輸出框','Back',[0,1,1])uicontrol(hf,'Style','Frame','Position',[20,65,165,90],'Back',[1,1,0])uicontrol(hf,'Style','Text','Position',[25,110,85,25],...'Horizontal','center','String','十進(jìn)制數(shù)','Back',[1,1,0])uicontrol(hf,'Style','Text','Position',[25,75,85,25],...'Horizontal','center','String','2～16進(jìn)制','Back',[1,1,0])he1=uicontrol(hf,'Style','Edit','Position',[100,115,60,25],...'Back',[0,1,0]);he2=uicontrol(hf,'Style','Edit','Position',[100,80,60,25],...'Back',[0,1,0]);uicontrol(hf,'Style','Frame','Position',[215,65,165,90],'Back',[1,1,0])ht=uicontrol(hf,'Style','Text','Position',[255,95,90,30],...'Horizontal','center','Back',[0,1,0]);COMM=['n=str2num(get(he1,''String''));',...'b=str2num(get(he2,''String''));',...'dec=trdec(n,b);','set(ht,''string'',dec);'];uicontrol(hf,'Style','Push','Position',[55,20,90,25],...'String','轉(zhuǎn)換','Call',COMM)uicontrol(hf,'Style','Push','Position',[255,20,90,30],...'String','退出','Call','close(hf)')trdec.m函數(shù)文件如下：functiondec=trdec(n,b)ch1='0123456789ABCDEF'; %十六進(jìn)制的16個(gè)符號(hào)k=1;whilen~=0 %不斷除某進(jìn)制基數(shù)取余直到商為0p(k)=rem(n,b);n=fix(n/b);k=k+1;endk=k-1;strdec='';whilek>=1 %形成某進(jìn)制數(shù)的字符串kb=p(k);strdec=strcat(strdec,ch1(kb+1:kb+1));k=k-1;enddec=strdec;例10-4clf;set(gcf,'Unit','normalized','Position',[0.2,0.3,0.55,0.30]);set(gcf,'Menubar','none','Name','圖形演示','NumberTitle','off');axes('Position',[0.05,0.15,0.55,0.7]);uicontrol(gcf,'Style','text','Unit','normalized',...'Posi',[0.63,0.85,0.2,0.1],'String',...'輸入繪圖命令','Horizontal','center');hedit=uicontrol(gcf,'Style','edit','Unit','normalized',...'Posi',[0.63,0.15,0.2,0.68],...'Max',2);%Max取2，使Max-Min>1，從而允許多行輸入hpopup=uicontrol(gcf,'Style','popup','Unit','normalized',...'Posi',[0.85,0.8,0.15,0.15],'String',...'Spring|Summer|Autumn|Winter','Call',...'comm(hedit,hpopup,hlist)');hlist=uicontrol(gcf,'Style','list','Unit','normalized',...'Posi',[0.85,0.55,0.15,0.25],'String',...'Gridon|Gridoff|Boxon|Boxoff','Call',...'comm(hedit,hpopup,hlist)');hpush1=uicontrol(gcf,'Style','push','Unit','normalized',...'Posi',[0.85,0.35,0.15,0.15],'String',...'繪圖','Call','comm(hedit,hpopup,hlist)');uicontrol(gcf,'Style','push','Unit','normalized',...'Posi',[0.85,0.15,0.15,0.15],'String',...'關(guān)閉','Call','closeall');comm.m函數(shù)文件如下：functioncomm(hedit,hpopup,hlist)com=get(hedit,'String');n1=get(hpopup,'Value');n2=get(hlist,'Value');if~isempty(com)%編輯框輸入非空時(shí)eval(com');%執(zhí)行從編輯框輸入的命令chpop={'spring','summer','autumn','winter'};chlist={'gridon','gridoff','boxon','boxoff'};