如用matlab实现SEM/TEM/金相等图片自动加标尺？？？

%%Creat interface
clc;clear;close all;
scr = get(groot,'ScreenSize');
pict=figure('position',[scr(3)/2-200,scr(4)/2-100, 500,250],'name','欢迎扫码关注matlab爱好者公众号','NumberTitle','off','menubar','none','toolbar','none',...
    'Resize','off');
text0=uicontrol(pict,'style','text','position',[20 195 320 40],'string','SEM/TEM/金相图片自动加标尺程序','FontSize',15,'ForegroundColor','r');
text1 = uicontrol(pict,'style','text','position',[60 165 130 30],'string','输入标尺长度:','FontSize',13,'ForegroundColor','b');
con1 = uicontrol(pict,'style','edit','position',[185 168 100 30],'string','','FontSize',14,'ForegroundColor','b');
% 单位选择
text2 = uicontrol(pict,'style','text','position',[40 130 100 30],'string','单位选择：','FontSize',14,'ForegroundColor','b');
radiob1 = uicontrol(pict,'style','Radiobutton','position',[150 130 50 30],'string','mm','FontSize',14,'ForegroundColor','b');
set(radiob1,'Callback', 'set(radiob1,"value",1),set(radiob2,"value",0),set(radiob3,"value",0)');
radiob2 = uicontrol(pict,'style','Radiobutton','position',[215 130 50 30],'string','μm','FontSize',14,'ForegroundColor','b');
set(radiob2,'Callback', 'set(radiob1,"value",0),set(radiob2,"value",1),set(radiob3,"value",0)');
radiob3 = uicontrol(pict,'style','Radiobutton','position',[280 130 50 30],'string','nm','FontSize',14,'ForegroundColor','b');
set(radiob3,'Callback', 'set(radiob1,"value",0),set(radiob2,"value",0),set(radiob3,"value",1)');
set(radiob2,"value",1);
% tgbutton = uicontrol(pict,'style','checkbox','position',[70 100 260 30],'string','是否自定义字体 (默认不勾选)','FontSize',12,'ForegroundColor','b');
text3 = uicontrol(pict,'style','text','position',[5 93 85 30],'string','字体选择：','FontSize',12,'ForegroundColor','b');
popup1 = uicontrol(pict,'Position', [80 95 170 30],'Style', 'popup','String',...
    {'Times New Roman Bold','Arial Bold','Calibri Bold','Cambria Bold','Candara Bold','Consolas Bold','Courier New Bold'},...
    'FontSize',10,'ForegroundColor','b');
text4 = uicontrol(pict,'style','text','position',[253 93 50 30],'string','大小：','FontSize',12,'ForegroundColor','b');
popup2 = uicontrol(pict,'Position', [300 93 50 30],'Style', 'popup','String',...
    {'40','41','42','43','44','45','46'},'FontSize',10,'ForegroundColor','b'); 
text5 = uicontrol(pict,'style','text','position',[40 55 200 30],'string','距右下角的长和宽 (pixel):','FontSize',12,'ForegroundColor','b');
con2 = uicontrol(pict,'style','edit','position',[235 59 100 30],'string','[20,20]','FontSize',14,'ForegroundColor','b');
%% 加载图标
loadIcon();
%% 执行程序
img=uicontrol(pict,'style','pushbutton','position',[50 20 150 30],'string','打开图片','FontSize',15,'ForegroundColor','b','CallBack',...
    'openImg(con1,con2,popup1,popup2,radiob1,radiob2,radiob3);');
exiting=uicontrol(pict,'style','pushbutton','position',[210 20 100 30],'string','退出','FontSize',15,'ForegroundColor','r','CallBack','delete(pict);');