本类实现游戏菜单,游戏关于和游戏帮助的信息,能够自适应不同的手机
/*游戏中的一些常用的框架*/ import javax.microedition.lcdui.*; import java.util.Vector; class showContent { int w,h;//屏幕的长和宽 int cw;//字体的宽 int page,maxPage;//帮助信息中的页码/最大页码 int rn;//每行最大字数 int maxR;//每屏最多显示的行数 int cr;//字体行距 Vector about; Vector help; public showContent(int wid,int hei,int charw,int charR,String[] aboutText,String[] helpText) { about=new Vector(0,1); help=new Vector(0,1); w=wid;h=hei;cw=charw;cr=charR; rn=w/cw; maxR=(h-20)/cr; page=0; for(int m=0;m<aboutText.length;m++) { int i=1+(aboutText[m].length()-1)/rn; for(int p=0;p<i;p++) { if(p<i-1) about.addElement((String)(aboutText[m].substring(p*rn,(p+1)*rn))); else about.addElement((String)(aboutText[m].substring(p*rn))); } } for(int m=0;m<helpText.length;m++) { int i=1+(helpText[m].length()-1)/rn; for(int p=0;p<i;p++) { if(p<i-1) help.addElement((String)(helpText[m].substring(p*rn,(p+1)*rn))); else help.addElement((String)(helpText[m].substring(p*rn))); } } maxPage=(help.size()-1)/maxR; } public void showAbout(Graphics g1,int x,int y)//显示关于 { g1.setColor(0); g1.fillRect(0,0,w,h); g1.setColor(0xffffff); for(int i=0;i<about.size();i++) { g1.drawString((String)(about.elementAt(i)),x,y+i*cr,0); } } /*显示暂停*/ public void drawPause(Graphics g1) { g1.setColor(0); g1.fillRect(w/2-30,h/2-6,60,30); g1.setColor(0xffffff); g1.drawRect(w/2-30,h/2-6,60,30); g1.drawString("暂停中",w/2-20,h/2,0); } public void showHelp(Graphics g1,int x,int y)//显示帮助 { g1.setColor(0); g1.fillRect(0,0,w,h); g1.setColor(0xffffff); for(int i=0;i<maxR;i++) { if(page*maxR+i<help.size()) g1.drawString((String)(help.elementAt(page*maxR+i)),x,y+i*cr,0); } g1.setColor(0xffff00); g1.drawString("按上下方向键翻页",20,h-20,0); } public void drawMenu(Graphics g1,int x,int y,int row,int w,String[] arrayStr,int no)//显示菜单 { g1.setColor(0xffff00); g1.fillRect(x,y,w,arrayStr.length*row); g1.setColor(0xffffff); g1.drawRect(x,y,w,arrayStr.length*row); for(int m=0;m<arrayStr.length;m++) { if(no==m) g1.setColor(0x0000ff); else g1.setColor(0); g1.drawString(arrayStr[m],x+5,y+5+m*row,0); } } }
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