propertyclass.java

手机赛车蓝牙连接

/*****************************************************************************

 Description: PropertyClass
* This class holds static variables and methods which is usable for other objects 
* 
 
 
 Created By: Johan Kateby
 
 @file        PropertyClass.java

 COPYRIGHT All rights reserved Sony Ericsson Mobile Communications AB 2004.
 The software is the copyrighted work of Sony Ericsson Mobile Communications AB.
 The use of the software is subject to the terms of the end-user license 
 agreement which accompanies or is included with the software. The software is 
 provided "as is" and Sony Ericsson specifically disclaim any warranty or 
 condition whatsoever regarding merchantability or fitness for a specific 
 purpose, title or non-infringement. No warranty of any kind is made in 
 relation to the condition, suitability, availability, accuracy, reliability, 
 merchantability and/or non-infringement of the software provided herein.

*****************************************************************************/
import javax.microedition.lcdui.*;

public class PropertyClass {
    
// Where are we saving our snapshots
    public static String HOME_DIR = "file:///c:/other/";
    
    
    
// used for scaling down images    
    
 public static Image scaleDownImage(Image image, double factor) {
  int sourceWidth = image.getWidth();
  int sourceHeight = image.getHeight();
  
  
  int smallWidth = (int)((double)sourceWidth*factor);
  int smallHeight = (int)((double)sourceHeight*factor);
  
  Image small = Image.createImage(smallWidth, smallHeight);
  Graphics g = small.getGraphics();
  
  for (int y = 0; y < smallHeight; y++) {
    for (int x = 0; x < smallWidth; x++) {
      g.setClip(x, y, 1, 1);
      int dx = x * sourceWidth / smallWidth;
      int dy = y * sourceHeight / smallHeight;
      g.drawImage(image, x - dx, y - dy,
          Graphics.LEFT | Graphics.TOP);
    }
    }
    Image scaledDownImage= Image.createImage(small); 
    return scaledDownImage;
    
 }
 
}