java作业（java作业）

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1、java作业（java作业）软件工程r1141宋洋16java作业publicclassqingdrawpadextendsjframe{privateobjectinputstreaminput;privateobjectoutputstreamoutput;privatejbuttonchoices[];privatestring[]names={"new""open"."save"."pencilby","line","rect',"frect',"oval","foval',"circle"

2、,"fcircle',"roundrect',"frrect',"rubber"."color"."stroke"."theword"};privatestring[]={stylenames"宋体","隶书","华文彩云","仿宋_gb2312","华文行楷',"方正舒体","timesnewroman","serif","monospaced',"sonsserif","garamond."};privateiconitems[];jtoolbarbuttonpanel;privatejlabe

3、lstatusbar;privatedrawpaneldrawingarea;privateintwidth=850,height=550;drawings[]itemlist=newdrawings[5];privateintcurrentchoice=3;intindex=0;privatecolorcolor=color.black;intr,g,b;intf1,f2;thestringstyle1;privatefloatstroke=1.0f;jcheckboxbold,italic;jc

4、omboboxstyles;publicqingdrawpad(){super("卿乐绘图画板(中国风)");jmenubarbar=newjmenubar();jmenufilemenu=newjmenu("文件");//filemenu.setmnemonic("f");jmenuitemnewitem=newjmenuitem("新建");newitem.addactionlistener(newactionlistener(){publicvoidactionperformed(action

5、event(e){newfile();}});filemenu.add(newitem);jmenuitemsaveitem=newjmenuitem("保存");saveitem.addactionlistener(newactionlistener(){publicvoidactionperformed(actionevent(e){savefile();/}});filemenu.add(saveitem);jmenuitemloaditem=newjmenuitem("打开");loadit

6、em.addactionlistener(newactionlistener(){publicvoidactionperformed(actionevent(e){loadfile();}});filemenu.add(loaditem);filemenu.addseparator();jmenuitemexititem=newjmenuitem("退出");exititem.addactionlistener(newactionlistener(){publicvoidactionperforme

7、d(actionevent(e){system.exit(0);}});filemenu.add(exititem);bar.add(filemenu);jmenucolormenu=newjmenu("颜色");jmenuitemcoloritem=newjmenuitem("选择颜色");coloritem.addactionlistener(newactionlistener(){publicvoidactionperformed(actionevent(e){choosecolor();}}

8、);colormenu.add(coloritem);bar.add(colormenu);jmenustrokemenu=newjmenu("线条粗细");jmenuitemstrokeitem=newjmenuitem("设置线条粗细");strokeitem.addactionlistener(newactionlistener(){publicvoidactionperformed(actionevent(e){setstroke();}});strokeme