problem in paint program

[CompAkS]

I have made a paint program....I want to add a selection tool which selects a part of the image and moves it when i dragg my mouse......This feature is there in ms Paint...
I dont know how to code this......I will put up my program ....Please provide me with the code I want to complete my program.....
Thank You


here is my code


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JFileChooser;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import java.awt.Image;
import java.awt.image.BufferedImage;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.io.*;



import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Panel;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Vector;




import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;




import javax.imageio.ImageIO;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;


public class paint{

public static void main(String[] args){



Icon iconB = new ImageIcon("blue.gif");
Icon iconM = new ImageIcon("magenta.gif");
Icon iconR = new ImageIcon("red.gif");
Icon iconBl = new ImageIcon("black.gif");
Icon iconW = new ImageIcon("white.gif");
Icon iconGr = new ImageIcon("grey.gif");
Icon iconY = new ImageIcon("yellow.gif");
Icon iconG = new ImageIcon("green.gif");
Icon iconO = new ImageIcon("orange.gif");
Icon iconC = new ImageIcon("cyan.gif");
Icon iconP = new ImageIcon("pink.gif");
//image icons for different colors.
Icon iconCl = new ImageIcon("close.gif");
//image icon for close button




Icon iconLi = new ImageIcon("line.jpg");
Icon iconFr = new ImageIcon("filledrectangle.jpg");
Icon iconHr = new ImageIcon("hollowrectangle.jpg");
Icon iconFo = new ImageIcon("filledoval.jpg");
Icon iconHo = new ImageIcon("emptyoval.jpg");
Icon iconPe = new ImageIcon("pencil.jpg");
Icon iconEr = new ImageIcon("eraser.jpg");
Icon iconPo = new ImageIcon("polygon.jpg");
Icon iconCle = new ImageIcon("clear.jpg");


JFrame frame = new JFrame("Paint It");
//Creates a frame with a title of "Paint it"
Container content = frame.getContentPane();
//Creates a new container
content.setLayout(new BorderLayout());
//sets the layout
final PadDraw drawPad= new PadDraw();
//creates a new padDraw, which is pretty much the paint program
content.add(drawPad, BorderLayout.CENTER);
//sets the padDraw in the center

JPanel panel = new JPanel();
//creates a JPanel
panel.setPreferredSize(new Dimension(150,700));
panel.setMinimumSize(new Dimension(150,700));
panel.setMaximumSize(new Dimension(150,700));

JPanel panel2 =new JPanel();
panel2.setPreferredSize(new Dimension(300, 30));
panel2.setMinimumSize(new Dimension(300, 30));
panel2.setMaximumSize(new Dimension(300, 30));

JPanel panel3 = new JPanel();
panel3.setPreferredSize(new Dimension(150,700 ));
panel3.setMinimumSize(new Dimension(150, 700));
panel3.setMaximumSize(new Dimension(150, 700));

//This sets the size of the panels

JMenuBar menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
JMenu file = new JMenu("File");
menuBar.add(file);
JMenuItem save = new JMenuItem("Save");
file.add(save);
save.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.save();
}
});

JMenuItem open = new JMenuItem("Open");
file.add(open);
open.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.open();
}
});


JMenuItem close2 = new JMenuItem("Close");
file.add(close2);
close2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});




JButton clearButton = new JButton(iconCle);
//creates the clear button and sets the text as "Clear"
clearButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.clear();
}
});
//this is the clear button, which clears the screen. This pretty
//much attaches an action listener to the button and when the
//button is pressed it calls the clear() method

JButton eraseButton = new JButton(iconEr);
//creates the eraser button and sets the text as "Eraser"
eraseButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.erase();
}
});



JButton selectButton = new JButton("Select");
//creates the clear button and sets the text as "Clear"
selectButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.select();
}
});




JRadioButton thinButton = new JRadioButton("Thin Line");
thinButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.thin();
}
});
JRadioButton mediumButton = new JRadioButton("Medium Line");
mediumButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.medium();
}
});
JRadioButton thickButton = new JRadioButton("Thick Line");
thickButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.thick();
}
});

//the above three buttons are for the thickness



JButton rectButton = new JButton(iconHr);
rectButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.rect();
}
});

JButton rect2Button = new JButton(iconFr);
rect2Button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.rect2();
}
});

JButton ovalButton = new JButton(iconHo);
ovalButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.oval();

}
});

JButton oval2Button = new JButton(iconFo);
oval2Button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.oval2();

}
});

JButton penButton = new JButton(iconPe);
penButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.pen();
}
});
JButton lineButton = new JButton(iconLi);
lineButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.line();
}
});

JButton polygonButton = new JButton(iconPo);
polygonButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.polygon();
}
});

//the above buttons are for various operations in paint

JButton closeButton = new JButton(iconCl);
//creates the close button
closeButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});




// the buttons below are for various colors

JButton redButton = new JButton(iconR);
//creates the red button and sets the icon we created for red
redButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.red();
}

});
//when pressed it will call the red() method. So on and so forth =]

JButton blackButton = new JButton(iconBl);
//same thing except this is the black button
blackButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.black();
}
});

JButton magentaButton = new JButton(iconM);
//magenta button
magentaButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.magenta();
}
});

JButton blueButton = new JButton(iconB);
//blue button
blueButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.blue();
}
});

JButton greenButton = new JButton(iconG);
//green button
greenButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.green();
}
});

JButton greyButton = new JButton(iconGr);
//grey button
greyButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.grey();
}
});

JButton whiteButton = new JButton(iconW);
//white button
whiteButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.white();
}
});

JButton yellowButton = new JButton(iconY);
//yellow button
yellowButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.yellow();
}
});



JButton orangeButton = new JButton(iconO);
//orange button
orangeButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.orange();
}
});


JButton cyanButton = new JButton(iconC);
//cyan button
cyanButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.cyan();
}
});

JButton pinkButton = new JButton(iconP);
//pink button
pinkButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
drawPad.pink();
}
});


blackButton.setPreferredSize(new Dimension(16,16));
magentaButton.setPreferredSize(new Dimension(16, 16));
redButton.setPreferredSize(new Dimension(16, 16));
blueButton.setPreferredSize(new Dimension(16, 16));
greenButton.setPreferredSize(new Dimension(16,16));
greyButton.setPreferredSize(new Dimension(16,16));
whiteButton.setPreferredSize(new Dimension(16,16));
yellowButton.setPreferredSize(new Dimension(16,16));
orangeButton.setPreferredSize(new Dimension(16,16));
cyanButton.setPreferredSize(new Dimension(16,16));
pinkButton.setPreferredSize(new Dimension(16,16));
clearButton.setPreferredSize(new Dimension(140,120));
eraseButton.setPreferredSize(new Dimension(140,120));
lineButton.setPreferredSize(new Dimension(140,120));
rectButton.setPreferredSize(new Dimension(140,115));
rect2Button.setPreferredSize(new Dimension(140,115));
penButton.setPreferredSize(new Dimension(140,120));
ovalButton.setPreferredSize(new Dimension(140,115));
oval2Button.setPreferredSize(new Dimension(140,115));
polygonButton.setPreferredSize(new Dimension(140,115));

closeButton.setPreferredSize(new Dimension(20,20));
selectButton.setPreferredSize(new Dimension(130,50));


//sets the sizes of the buttons


ButtonGroup lineOption = new ButtonGroup( );
lineOption.add(thinButton);
lineOption.add(mediumButton);
lineOption.add(thickButton);

panel2.add(blackButton);
panel2.add(greyButton);
panel2.add(whiteButton);
panel2.add(redButton);
panel2.add(greenButton);
panel2.add(blueButton);
panel2.add(cyanButton);
panel2.add(magentaButton);
panel2.add(pinkButton);
panel2.add(orangeButton);
panel2.add(yellowButton);


panel.add(clearButton);
panel.add(eraseButton);
panel.add(penButton);
panel.add(lineButton);

panel.add(thickButton);
panel.add(mediumButton);
panel.add(thinButton);



panel3.add(closeButton);
panel3.add(selectButton);

panel3.add(rectButton);
panel3.add(rect2Button);
panel3.add(ovalButton);
panel3.add(oval2Button);
panel3.add(polygonButton);


//adds the buttons to the panels


content.add(panel, BorderLayout.WEST);
//sets the panel to the left
content.add(panel2, BorderLayout.NORTH);

content.add(panel3, BorderLayout.EAST);

frame.setSize(1030, 735);
//sets the size of the frame
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOS E);
//makes it so you can close
frame.setVisible(true);
//makes it so you can see it
}
}






class PadDraw extends JComponent{
Image image;
//this is gonna be your image that you draw on
Graphics2D graphics2D;
//this is what we'll be using to draw on
public int currentX, currentY, oldX, oldY,x1,y1,x2,y2,w,h,a1,a2,b1,b2,c1,d1,c2,d2,e1,f1 ,e2,f2,r1,s1,ch,m1,n1,fl,k1,k2=1,cc1,dd1,cc2,dd2,a a1,aa2,bb1,bb2;
//these are gonna hold our mouse coordinates
//Now for the constructors






public void pen()
{
k1=1;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter(){
public void mousePressed(MouseEvent e){
oldX = e.getX();
oldY = e.getY();
}
});
//if the mouse is pressed it sets the oldX & oldY
//coordinates as the mouses x & y coordinates
addMouseMotionListener(new MouseMotionAdapter(){
public void mouseDragged(MouseEvent e){
currentX = e.getX();
currentY = e.getY();
if(graphics2D != null && k1==1)
graphics2D.drawLine(oldX, oldY, currentX,currentY);
repaint();
oldX = currentX;
oldY = currentY;
repaint();
}

});
}

public void line()
{
k1=2;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()

{
public void mousePressed(MouseEvent m)
{
x1=m.getX();
y1=m.getY();
}
public void mouseReleased(MouseEvent m)
{
x2=m.getX();
y2=m.getY();
if(graphics2D != null && k1==2)
graphics2D.drawLine(x1,y1, x2,y2);
repaint();

}
});
}

public void rect()
{
k1=3;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()
{

public void mousePressed(MouseEvent m)
{
a1=m.getX();
b1=m.getY();
repaint();
}

public void mouseReleased(MouseEvent m)
{
a2=m.getX();
b2=m.getY();
if (a1>a2)
{
int z=a1;
a1=a2;
a2=z;
}
if (b1>b2)
{
int z=b1;
b1=b2;
b2=z;
}
w=a2-a1;
h=b2-b1;
if(graphics2D != null && k1==3)
graphics2D.drawRect(a1,b1, w,h);
repaint();

}
});

}


public void rect2()
{
k1=4;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent m)
{
aa1=m.getX();
bb1=m.getY();
repaint();
}
public void mouseReleased(MouseEvent m)
{
aa2=m.getX();
bb2=m.getY();
if (aa1>aa2)
{
int z=aa1;
aa1=aa2;
aa2=z;
}
if (bb1>bb2)
{
int z=bb1;
bb1=bb2;
bb2=z;
}
w=aa2-aa1;
h=bb2-bb1;
if(graphics2D != null && k1==4)
graphics2D.fillRect(aa1,bb1, w,h);
repaint();

}
});

}


public void oval()
{
k1=5;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
c1=e.getX();
d1=e.getY();
repaint();
}
public void mouseReleased(MouseEvent e)
{
c2=e.getX();
d2=e.getY();
if (c1>c2)
{
int z=c1;
c1=c2;
c2=z;
}
if (d1>d2)
{
int z=d1;
d1=d2;
d2=z;
}
w=c2-c1;
h=d2-d1;
if(graphics2D != null && k1==5)
graphics2D.drawOval(c1,d1,w,h);
repaint();
}
});
}


public void oval2()
{
k1=6;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent m)
{
cc1=m.getX();
dd1=m.getY();
repaint();
}
public void mouseReleased(MouseEvent m)
{
cc2=m.getX();
dd2=m.getY();
if (cc1>cc2)
{
int z=cc1;
cc1=cc2;
cc2=z;
}
if (dd1>dd2)
{
int z=dd1;
dd1=dd2;
dd2=z;
}
w=cc2-cc1;
h=dd2-dd1;
if(graphics2D != null && k1==6)
graphics2D.fillOval(cc1,dd1, w,h);
repaint();
}
});
}




public void polygon()
{
k1=8;
k2=1;
setDoubleBuffered(false);
cursorchange();
addMouseListener(new MouseAdapter()

{
public void mousePressed(MouseEvent m)
{
x1=m.getX();
y1=m.getY();
}
final int r1=x1;
final int s1=y1;
public void mouseReleased(MouseEvent m)
{
x2=m.getX();
y2=m.getY();
if (x2==r1 && y2==s1)
{ graphics2D.drawLine(m1,n1, r1,s1);
return;
}
else
{
if(graphics2D != null && k1==8 && k2==1)
graphics2D.drawLine(x1,y1, x2,y2);

if(graphics2D != null && k1==8 && k2!=1)
graphics2D.drawLine(m1,n1, x2,y2);
repaint();
m1=x2;
n1=y2;
k2++;

}

}
});
}


//while the mouse is dragged it sets currentX & currentY as the mouses x and y
//then it draws a line at the coordinates
//it repaints it and sets oldX and oldY as currentX and currentY

public void paintComponent(Graphics g){
if(image == null){
image = createImage(getSize().width, getSize().height);
graphics2D = (Graphics2D)image.getGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_ANT IALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
clear();

}
g.drawImage(image, 0, 0, null);
}
//this is the painting bit
//if it has nothing on it then
//it creates an image the size of the window
//sets the value of Graphics as the image
//sets the rendering
//runs the clear() method
//then it draws the image


public void clear()
{
graphics2D.setPaint(Color.white);
graphics2D.fillRect(0, 0, getSize().width, getSize().height);
graphics2D.setPaint(Color.black);
repaint();
}
//this is the clear
//it sets the colors as white
//then it fills the window with white
//thin it sets the color back to black

public void erase()
{
k1=7;

cursorchange();
graphics2D.setPaint(Color.white);
addMouseListener(new MouseAdapter(){
public void mousePressed(MouseEvent e){
e1 = e.getX();
f1 = e.getY();
}
});
addMouseMotionListener(new MouseMotionAdapter(){
public void mouseDragged(MouseEvent e){
e2 = e.getX();
f2 = e.getY();
if(graphics2D != null && k1==7)
graphics2D.fillRect(e1, f1, 27, 27);
repaint();
e1 = e2;
f1 = f2;
}
});

}


public void cursorchange()
{
if (k1==7)
{

Toolkit toolkit = Toolkit.getDefaultToolkit();
Image image = toolkit.getImage("eraser.gif");
Point hotSpot = new Point(0,0);
Cursor cursor = toolkit.createCustomCursor(image, hotSpot, "Eraser");
setCursor(cursor);
}

else
setCursor (Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR) );

}

// changing the cursor icons



public void open()
{
JFileChooser fileChooser = new JFileChooser();
if ( fileChooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION ) {
String path = fileChooser.getSelectedFile().getAbsolutePath();

BufferedImage loadedImage = null;

try {
loadedImage = ImageIO.read( new File(path) );
} catch(IOException e) {

}

graphics2D.drawImage(loadedImage, 0, 0, null);
repaint();

}

}

//To open a file


public void save() {

JFileChooser fileChooser = new JFileChooser();

if ( fileChooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION ) {
String path = fileChooser.getSelectedFile().getAbsolutePath();


BufferedImage imageToSave = createImage();
try {

ImageIO.write(imageToSave, "jpg", new File(path));

} catch(IOException e) {}
}
}

// To save a file



public BufferedImage createImage() {
BufferedImage returnImage = new BufferedImage( getSize().width, getSize().height, BufferedImage.TYPE_INT_RGB );
Graphics2D g = returnImage.createGraphics();

g.drawImage( image, 0, 0, null );
g.dispose();
return returnImage;
}





public void select()
{
}





public void thick(){
graphics2D.setStroke(new BasicStroke (7));
}
public void thin(){
graphics2D.setStroke(new BasicStroke (1));
}
public void medium(){
graphics2D.setStroke(new BasicStroke (4));
}
//thickness


// various colors
public void red(){
graphics2D.setPaint(Color.red);
repaint();
}
//this is the red paint
public void black(){
graphics2D.setPaint(Color.black);
repaint();
}
//black paint
public void magenta(){
graphics2D.setPaint(Color.magenta);
repaint();
}
//magenta paint
public void blue(){
graphics2D.setPaint(Color.blue);
repaint();
}
//blue paint
public void green(){
graphics2D.setPaint(Color.green);
repaint();
}
//green paint

public void yellow(){
graphics2D.setPaint(Color.yellow);
repaint();
}
//yellow paint
public void grey(){
graphics2D.setPaint(Color.gray);
repaint();
//grey paint
}
public void white(){
graphics2D.setPaint(Color.white);
repaint();
}
//white paint
public void orange(){
graphics2D.setPaint(Color.orange);
repaint();
}
//orange paint
public void cyan(){
graphics2D.setPaint(Color.cyan);
repaint();
}
//cyan paint
public void pink(){
graphics2D.setPaint(Color.pink);
repaint();
}
//pink paint


}


//end of program............!!

[DarrylBurke]

http://www.java-forums.org/forum-gui...w-members.html
BB Code List - Java Programming Forum - Learn Java Programming
How to ask questions the smart way

Please provide me with the code I want to complete my program

This is a forum, not a code factory. To get better help sooner, post a SSCCE (Short, Self Contained, Correct (Compilable), Example) that demonstrates the problem, not hundreds of lines of mostly unrelated code.

db

[CompAkS]

Dude I just provided the code for better understanding......!!
If you can help see to it else learn to reply properly...!!

[SurfMan]

Dude I just provided the code for better understanding......!!
If you can help see to it else learn to reply properly...!!

Contributed posts on this forum (per 21/6/2013):
db: 10,111
CompAkS: 2

So chill, and read what he says: "this is not a Codefactory". You ask for code to be created for you, which is not going to happen. If you didn't mean to ask for that, then you should have asked a different question.

If you want to maintain a selection, you could create a Selection class which inherits from Rectangle and is decorated with a (Buffered)Image. When the user uses the tool, store the x, y, width and height and store a copy of the subimage in the Selection object.
Sort of.

[Fubarable]

Dude I just provided the code for better understanding......!!
If you can help see to it else learn to reply properly...!!

You're asking volunteers to help you on their free time. The onus is on you to ask your question properly and in a way that makes it easy for others to help you, and in a way that doesn't ask others to "Please provide me with the code I want to complete my program.....". If these rules aren't good for you, please feel free to ask this question elsewhere.