stringlayout.java

J2ME手机版游戏——配对赛源代码

/**
*字符串布局类
*@CopyRight:Move2008
*@Author:bedlang
*@Version 1.0 2003/7/20
*/
//Download by http://www.codefans.net
package move.ui;

import javax.microedition.lcdui.*;
import move.util.Tool;

public class StringLayout extends Base
{
	int layoutWidth;
	int lineGap;
	String text;
	int fontHeight;
	int line;
	
	/**
	*构造函数
	*@param Str：布局中的字符串
	*@param X：布局的左上角位置
	*@param Y：布局的右上角位置	
	*@param LayoutWidth：布局宽度
	*@param Gap：各行之间的空隙
	*/
	public StringLayout(String Str, int X, int Y, int LayoutWidth, int Gap)
	{
		setPosition(X, Y);
		text = Str;
		layoutWidth = LayoutWidth;
		lineGap = Gap;
		
		int begin = 0;
		String s = "";
		Font font=Font.getFont(Font.FACE_SYSTEM,Font.STYLE_BOLD,Font.SIZE_SMALL);
		fontHeight = font.getHeight();
		line = 0;
		
		for(int i=0;i<text.length();i++)
		{
			char ch = text.charAt(i);
			if (Tool.getStrWidth(text.substring(begin,i))>=layoutWidth || i==text.length() || ch=='\n')		
			{
				if(ch=='\n')
					begin = i+1;
				else
					begin = i;				
					
				line ++;									
			}
		}		
	}
	
	public void draw(Graphics g, int X, int Y)
	{
		setPosition(X,Y);
		draw(g);
	}
	
	public void draw(Graphics g)
	{
		int begin = 0;
		String s = "";
		
		line = 0;
		for(int i=0;i<text.length();i++)
		{
			char ch = text.charAt(i);
			if (Tool.getStrWidth(text.substring(begin,i))>=layoutWidth || i==text.length() || ch=='\n')
			{
				s = text.substring(begin,i);
				g.drawString(s, left, top+line*(fontHeight+lineGap), g.TOP|g.LEFT);

				if(ch=='\n')
					begin = i+1;
				else
					begin = i;				
				line ++;
			}
		}
	}
	
	public int getWidth()
	{
		return layoutWidth;
	}
	
	public int getHeight()
	{
		return fontHeight*line + lineGap*line;
	}

}