Monday, February 22, 2016

Image Arranger For Pinterest

This short program arranges three images on a JPanel and save it as a single image file. Three buttons are provided to resize and add images to the panel. Each button corresponds to a certain image position. A title can also be inserted into the new image.


Here is the code: 

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import java.awt.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.swing.*;
import java.io.*;
import javax.imageio.ImageIO;
import java.awt.event.*;

public class ImageArranger extends JFrame{
    JLabel ltitle=null;
    JTextField tftitle=null;
    JButton btitle=null;
    JButton baddimg1=null;
    JButton baddimg2=null;
    JButton baddimg3=null;
    DrawPanel p2=null;
    String filename1=null;
    String filename2=null;
    String filename3=null;
    
    public static void main(String[] args){
        ImageArranger ap=new ImageArranger();
    }
    public ImageArranger(){
        super("Image Arranger");
        setSize(600,720);
        
        JPanel p1=new JPanel();
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.insets=new Insets(5,0,0,0);
        p1.setLayout(new GridBagLayout());
        ltitle=new JLabel("Title:");
        p1.add(ltitle);
        tftitle=new JTextField(10);
        p1.add(tftitle);
        gbc.gridy++;
        btitle=new JButton("Add Title");
        btitle.addActionListener(new ButtonHandler());
        p1.add(btitle,gbc);
        gbc.gridy++;
        baddimg1=new JButton("Add 1st Image");
        baddimg1.addActionListener(new ButtonHandler());
        p1.add(baddimg1,gbc);
        gbc.gridy++;
        baddimg2=new JButton("Add 2nd Image");
        baddimg2.addActionListener(new ButtonHandler());
        p1.add(baddimg2,gbc);
        gbc.gridy++;
        baddimg3=new JButton("Add 3rd Image");
        baddimg3.addActionListener(new ButtonHandler());
        p1.add(baddimg3,gbc);
        gbc.gridy++;
        JButton bsave=new JButton("Save");
        bsave.addActionListener(new ButtonHandler());
        p1.add(bsave,gbc);
        add("West",p1);
        
        p2=new DrawPanel();
        p2.setPreferredSize(new Dimension(300,720));
        p2.setBackground(Color.BLACK);
        add("East",p2);
        
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        show();
    }
    class DrawPanel extends JPanel{
        public void paintComponent(Graphics g){
            super.paintComponent(g);
            
            Graphics2D g2=(Graphics2D)g;
            
            if(tftitle.getText()!=null){
                g2.setBackground(Color.BLACK);
                g2.clearRect(0,0,this.getWidth(),50);
                Font f=new Font("Monospaced",Font.BOLD,24);
                FontMetrics fm=this.getFontMetrics(f);
                if(fm.stringWidth(tftitle.getText())>(p2.getWidth()-20)){
                    return;
                }
                g2.setColor(Color.WHITE);
                g2.setFont(f);
                g2.drawString(tftitle.getText(),(p2.getWidth()/2)-(fm.stringWidth(tftitle.getText())/2),30);
            }
            if(filename1!=null){
                BufferedImage bufimage=null;
                try{
                    bufimage=ImageIO.read(new File(filename1));
                }catch(Exception ex){
                }
                g2.drawImage(bufimage,15,50,270,200,p2);
            }
            if(filename2!=null){
                BufferedImage bufimage=null;
                try{
                    bufimage=ImageIO.read(new File(filename2));
                }catch(Exception ex){
                }
                g2.drawImage(bufimage,15,260,270,200,p2);
            }
            if(filename3!=null){
                BufferedImage bufimage=null;
                try{
                    bufimage=ImageIO.read(new File(filename3));
                }catch(Exception ex){
                }
                g2.drawImage(bufimage,15,470,270,200,p2);
            }
        }        
    }
    class ButtonHandler implements ActionListener{
        public void actionPerformed(ActionEvent e){
            if(e.getActionCommand()=="Add Title"){
                p2.repaint();
            }
            if(e.getActionCommand()=="Add 1st Image"){
                FileDialog fd=new FileDialog(ImageArranger.this,"Open Image File",FileDialog.LOAD);
                fd.setDirectory("C:\\");
                fd.setVisible(true);
                filename1=fd.getFile();
                p2.repaint();
            }
            if(e.getActionCommand()=="Add 2nd Image"){
                FileDialog fd=new FileDialog(ImageArranger.this,"Open Image File",FileDialog.LOAD);
                fd.setDirectory("C:\\");
                fd.setVisible(true);
                filename2=fd.getFile();
                p2.repaint();
            }
            if(e.getActionCommand()=="Add 3rd Image"){                
                FileDialog fd=new FileDialog(ImageArranger.this,"Open Image File",FileDialog.LOAD);
                fd.setDirectory("C:\\");
                fd.setVisible(true);
                filename3=fd.getFile();
                p2.repaint();      
            }
            if(e.getActionCommand()=="Save"){
                BufferedImage bufimage = new BufferedImage(p2.getWidth(),p2.getHeight(),BufferedImage.TYPE_INT_ARGB);
                Graphics2D g=(Graphics2D)bufimage.getGraphics();
                
                p2.paint(g);
                try {
                    ImageIO.write(bufimage,"png", new File("result.png"));
                } catch (IOException ex) {
                    ex.printStackTrace();
                } 
            }
        }
    }
}
at

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