www.pudn.com > j2me_Mario.rar > LPImageManage.java

/** 
 * 
Title: lipeng
 
 * 
Description: 
 * You cannot remove this copyright and notice. 
 * You cannot use this file without the express permission of the author. 
 * All Rights Reserved
 
 * 
Copyright: lizhenpeng (c) 2004
 
 * 
Company: LP&P
 
 * @author lizhenpeng 
 * @version 1.1.0 
 * 
 
 * Revise History 
 * 2004.07.12 Add exception description and change out.dat to lipeng.dat v1.1.0 
 * 
 
 */ 
 
package lipeng; 
 
 
import javax.microedition.lcdui.Image; 
import java.io.*; 
 
public class LPImageManage 
{ 
  public Image image; 
  public int frameNum; 
  public int frameSize; 
  public String imageId; 
 
  public LPImageManage(String fileName) 
  { 
    try 
    { 
      imageId=fileName; 
      image=Image.createImage("/"+fileName); 
      frameSize=image.getWidth(); 
      frameNum=image.getHeight()/frameSize; 
    } 
    catch(java.io.IOException e) 
    { 
      System.out.println("Image, "+fileName+", could not be loaded."); 
      System.out.println(e.toString()); 
    } 
  } 
 
  public LPImageManage(String fileName,int pos) 
  { 
    try 
    { 
      imageId=fileName; 
      InputStream in=getClass().getResourceAsStream("/lipeng.dat"); 
      DataInputStream dataInput=new DataInputStream(in); 
      dataInput.skip(2+(pos-1)*4*2); 
      byte d=dataInput.readByte(); 
      byte c=dataInput.readByte(); 
      byte b=dataInput.readByte(); 
      byte a=dataInput.readByte(); 
      int byteSize=(((a&0xff)<<24)|((b&0xff)<<16)| 
                    ((c&0xff)<<8)|(d&0xff)); 
      d=dataInput.readByte(); 
      c=dataInput.readByte(); 
      b=dataInput.readByte(); 
      a=dataInput.readByte(); 
      int offset=(((a&0xff)<<24)|((b&0xff)<<16)| 
                  ((c&0xff)<<8)|(d&0xff)); 
 
      dataInput.close(); 
      in=getClass().getResourceAsStream("/lipeng.dat"); 
      dataInput=new DataInputStream(in); 
      byte buffer[]=new byte[byteSize]; 
      dataInput.skip(offset); 
      dataInput.read(buffer); 
      image=Image.createImage(buffer,0,buffer.length); 
      frameSize=image.getWidth(); 
      frameNum=image.getHeight()/frameSize; 
      dataInput.close(); 
      buffer=null; 
    } 
    catch(java.io.IOException e) 
    { 
      System.out.println("Image, "+fileName+", could not be loaded."); 
      System.out.println(e.toString()); 
    } 
  } 
}