Re: Work around requested

On Dec 20, 8:13 pm, "John B. Matthews" <nos...@nospam.invalid> wrote:


John,
After you read my code,as usual
happens here, I'll have to take all criticism
that I deserve. I hope that I have limited my
line lengths to enable to fit it in.

Hi Knute,
I have combined your work dated 12-31-2005
found in this link:
< //http://www.velocityreviews.com/forums/t148931-how-to-resize-a-jpg-
image-file.html >

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.imageio.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.EventQueue;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class DataScaleImageThmbNail extends JFrame
  implements ActionListener {

  private JButton dataTransferBtn =
    new JButton("Make Thumbnail");
  private JButton closeBtn = new JButton("Close");
  private JPanel infoPanel = new JPanel();

  JLabel NameOrNumberLabel =
    new JLabel (" Enter Image Name or Number" );
  JLabel ThmbNailWidth =
    new JLabel (" Enter Width for Thumbnail" );
  JLabel ThmbNailHeight =
    new JLabel (" Enter Height for Thumbnail" );

  JTextField namOrNum = new JTextField("EnterDataHere",10);
  JTextField tfThumbNailWidth = new JTextField("200",10);
  JTextField tfThumbNailHeight = new JTextField("150",10);
  String alfaNumeric =" ";
  String stringWidth = " ";
  String stringHeight = " ";

  DataScaleImageThmbNail() {
    setTitle("ImgDataTest");

    add(infoPanel,BorderLayout.CENTER);

    JPanel infoPanel= new JPanel();

    // TextArea for directions
    infoPanel.add(new JTextArea(content));

    // TextField for name of image
    infoPanel.add(NameOrNumberLabel );
    namOrNum = new JTextField("12A", 12);
    infoPanel.add( namOrNum );
    dataTransferBtn.addActionListener(this);

    // TextField for width of thumbnail
    infoPanel.add(ThmbNailWidth);
    infoPanel.add (tfThumbNailWidth);
    dataTransferBtn.addActionListener(this);

    // TextField for height of thumbnail
    infoPanel.add(ThmbNailHeight);
    infoPanel.add (tfThumbNailHeight);
    dataTransferBtn.addActionListener(this);

    dataTransferBtn.addActionListener(this);
    infoPanel.add(dataTransferBtn );

    infoPanel.add(closeBtn);
    closeBtn.addActionListener(this);

    Container contentPane= getContentPane();
    contentPane.add(infoPanel);

    setSize(350,350);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    setVisible(true);
  }
  static String content =
    "Please place 2 folders on the desktop. \n"
    + " Name one 'LargeImageFolder' to put your large .jpg into it.
\n"
    + " then the second folder name it 'ThmnailFolder'. \n"
    + " Caution, each .jpg should have a unique 'name' \n"
    + " as examples '031', 'Bob2. \n"
    + " Make only one thumbnail at a time. \n"
    + " For each one, click the 'Make Thumbnail' button. \n"
    + " The .jpg thumbnails have the same name\n"
    + " as the original .jpg \n"
    + " You will find them in 'ThmnailFolder' \n"
    + " A 'Close' button is provided to close the program.";

  public void actionPerformed(ActionEvent e) {

    if(e.getSource() == dataTransferBtn){
      alfaNumeric = namOrNum.getText();
      //System.out.println(alfaNumeric);

      stringWidth = tfThumbNailWidth.getText();
     // System.out.println(stringWidth);

      stringHeight = tfThumbNailHeight.getText();
     // System.out.println(stringHeight );
      ScaleImage2x (alfaNumeric, stringWidth, stringHeight ) ;
    }
    if(e.getSource() == closeBtn){
      System.exit(0);
    }

  }

  public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
      public void run() {
        DataScaleImageThmbNail DataScaleImageThmbNail
          = new DataScaleImageThmbNail ();
      }
    });
  }

  public void ScaleImage2x (String alnumeric,
      String stringWidth,String stringHeight) {

    String srcFile= "C:/Users/Bob/Desktop/LargeImageFolder/"
      + alnumeric+ ".jpg";
    String destFile= "C:/Users/Bob/Desktop/ThmnailFolder/"
      + alnumeric+ ".jpg";

    int destWidth = Integer.parseInt(stringWidth);
    int destHeight = Integer.parseInt(stringHeight);

    try {
      BufferedImage src = ImageIO.read(new File(srcFile));

      BufferedImage dest = new BufferedImage(destWidth,destHeight,
           BufferedImage.TYPE_INT_RGB);
      Graphics2D g = dest.createGraphics();
      AffineTransform at = AffineTransform.getScaleInstance(
           (double)destWidth/src.getWidth(),
            (double)destHeight/src.getHeight());
      g.drawRenderedImage(src,at);
      ImageIO.write(dest,"JPG",new File(destFile));
      //at.close();
    }
    catch (Exception e)
    {
      e.printStackTrace( System.out ) ;
    }
  }
}

bH