fontcanvas.java

《精通JAVA手机游戏与应用程序设计》随书光盘

package FontDemo;

import javax.microedition.lcdui.*;

class FontCanvas extends Canvas {
	  
	 
	    FontCanvas() {		
	    }
	     
	    void init() {
		
	    }
	    
	    void destroy() {
		
	    }

	    protected void paint(Graphics g) {
	    	g.setColor(0x001169ee);
	    	g.fillRect(0, 0, this.getWidth(), this.getHeight());
	    	
	    	String title = "系统";
	    	int height = 0;
	    	int currentFace = Font.FACE_SYSTEM;
	    	g.setColor(0x00ffffff);
	    	
	    	g.drawString(title, 0, 0, Graphics.TOP|Graphics.LEFT);
	    	height += g.getFont().getHeight();

	    	g.setFont(Font.getFont(currentFace, 
	    			       Font.STYLE_PLAIN, 
	    			       Font.SIZE_LARGE));
	    	g.drawString("系统 常规 加大", 0, height, Graphics.TOP|Graphics.LEFT);
	    	height += g.getFont().getHeight();

	    	g.setFont(Font.getFont(currentFace, 
	    			       Font.STYLE_ITALIC, 
	    			       Font.SIZE_LARGE));
	    	g.drawString("系统 倾斜 加大", 0, height, Graphics.TOP|Graphics.LEFT);
	    	height += g.getFont().getHeight();

	    	g.setFont(Font.getFont(currentFace, 
	    			       Font.STYLE_BOLD, 
	    			       Font.SIZE_LARGE));
	    	g.drawString("系统 加粗 加大", 0, height, Graphics.TOP|Graphics.LEFT);
	    	height += g.getFont().getHeight();

	    	g.setFont(Font.getFont(currentFace, 
	    			       Font.STYLE_BOLD|Font.STYLE_ITALIC, 
	    			       Font.SIZE_LARGE));
	    	g.drawString("系统 加粗 倾斜 加大", 0, height, Graphics.TOP|Graphics.LEFT);
	    	
	    	
	    }
	}