Header Ad

Showing posts with label Image crop using java. Show all posts
Showing posts with label Image crop using java. Show all posts

Friday, August 10, 2007

Resize or Cropping of an Image for a fixed Width and Height using Java code

To resize an image for a fixed length and width.... provide,length and width to resize the image returns the new width and height ratio for that image .Take the return parameter split by "." .


import java.awt.Image;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.swing.ImageIcon;

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;
}
}