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Tuesday, April 27, 2010

Enabling log in Magento

We can enable the log in Magento. We need to follow the below steps to enable the log.

Login into the Admin panel
Select System -> Configuration
Select Developer tab from left hand side of the page
In that, select Log Settings tab
Enable - Yes and click on Save Config

How to resize an image in JAVA or Thumbnail creation in Java

package com.jiva.bean.javabeans;
import java.awt.Image;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import javax.swing.ImageIcon;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import java.awt.Container;
import java.awt.MediaTracker;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.io.BufferedOutputStream;
import com.sun.image.codec.jpeg.JPEGEncodeParam;

public class ImageResize
{
int setWidth;
int setHeight;
com.jiva.application.auth.AppSession appSession;
public void setWidth(int width)
{
setWidth=width;
}
public void setHeight(int height)
{
setHeight=height;
}

public String imageProps(String path) throws FileNotFoundException, IOException
{
File source=new File(path);
Image inImage = new ImageIcon(source.getAbsolutePath()).getImage();
int imageWidth=inImage.getWidth(null);
int imageHeight=inImage.getHeight(null);
inImage.flush();
int returnImageWidth=setWidth;
int returnImageHeight=setHeight;
double ReturnImageRatio = (double)returnImageWidth/ (double)returnImageHeight;
double ImageRatio = (double)imageWidth / (double)imageHeight;
if (ReturnImageRatio < ImageRatio)
{
returnImageHeight = (int)((double)returnImageWidth / ImageRatio);
}
else
{
returnImageWidth = (int)((double)returnImageHeight * ImageRatio);
}
String x=Integer.toString(returnImageWidth)+"."+Integer.toString(returnImageHeight);

return x;
}
public void createThumbnail(String imgFilePath,String thumbPath,int thumbWidth,int thumbHeight)throws Exception{

Image image = Toolkit.getDefaultToolkit().getImage(imgFilePath);
MediaTracker mediaTracker = new MediaTracker(new Container());
mediaTracker.addImage(image, 0);
mediaTracker.waitForID(0);
double thumbRatio = (double)thumbWidth / (double)thumbHeight;
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
double imageRatio = (double)imageWidth / (double)imageHeight;
if (thumbRatio < imageRatio) {
thumbHeight = (int)(thumbWidth / imageRatio);
} else {
thumbWidth = (int)(thumbHeight * imageRatio);
}
BufferedImage thumbImage = new BufferedImage(thumbWidth,
thumbHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = thumbImage.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);
BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(thumbPath));
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.
getDefaultJPEGEncodeParam(thumbImage);
int quality = 100;
param.setQuality((float)quality / 100.0f, false);
encoder.setJPEGEncodeParam(param);
encoder.encode(thumbImage);
out.close();
}
public static void main(String args[])
{
try{
ImageResize resize=new ImageResize();
resize.createThumbnail("D:/Photos/1/original.jpg", "D:/Photos/1/original_resize.jpg", 70, 70);
}
catch(Exception e)
{
e.printStackTrace();
}
}
}