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Canvas.java
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Canvas.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.imageio.*;
import javax.imageio.stream.*;
import javax.swing.colorchooser.*;
import javax.swing.UIManager;
import java.io.*;
/**
* Canvas by Priydarshi Singh
* @author Priydarshi Singh
* @version 1.0
*/
public class Canvas{
private static JFrame f;
private static String tool = "peb";
private static JLabel stb = new JLabel("Welcome to Canvas!!"), usb = new JLabel(" ");
private static JMenuBar mb = new JMenuBar();
private static JMenu file = new JMenu("File");
private static JMenuItem neF = new JMenuItem("New"), opF = new JMenuItem("Open..."), svF = new JMenuItem("Save"), exi = new JMenuItem("Exit");
private static JMenu colm = new JMenu("Color");
private static JMenuItem eco = new JMenuItem("Edit Colors");
private static JMenu edim = new JMenu("Edit");
private static JMenuItem undo = new JMenuItem("Undo"),redo = new JMenuItem("Redo");
private static JMenu help = new JMenu("Help");
private static JPanel atP = new JPanel(new GridLayout(1,2));
private static JPanel cP = new JPanel();
private static JMenuItem abo = new JMenuItem("About Paint"),hth = new JMenuItem("Help Topics");
public static void main(String args[]) {
try {
for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (Exception e) {}
f = new JFrame("Canvas");
try{ f.setIconImage(ImageIO.read(new FileImageInputStream(new File("CanvasData/Canvas.jpg"))));}catch(Exception e){}
Container cont = f.getContentPane();
cont.setLayout(new BorderLayout());
final DrawPad pad = new DrawPad();
cont.add(pad, BorderLayout.CENTER);
cont.add(new JScrollPane(pad));
JPanel panel = new JPanel();
f.setJMenuBar(mb);
mb.add(file);
mb.add(edim);
mb.add(colm);
mb.add(help);
file.add(neF);
file.add(opF);
file.add(svF);
file.addSeparator();
file.add(exi);
edim.add(undo);
edim.add(redo);
colm.add(eco);
help.add(abo);
help.addSeparator();
help.add(hth);
undo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_DOWN_MASK));
redo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_DOWN_MASK));
neF.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_DOWN_MASK));
opF.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_DOWN_MASK));
svF.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_DOWN_MASK));
exi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_DOWN_MASK));
eco.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_DOWN_MASK));
hth.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F1, 0));
abo.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
JOptionPane.showMessageDialog(null,"Canvas ® \n"
+"\n"
+"This Paint Program is made by \n"
+"Priydarshi Singh. \n"
+"\n","About Canvas",1);
}});
hth.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){help(); }});
JPanel span = new JPanel(new GridLayout(0,2));
JButton erb = new JButton(new ImageIcon("CanvasData/eras.png")), cbsb = new JButton(new ImageIcon("CanvasData/bsiz.png")), txb = new JButton(new ImageIcon("CanvasData/text.png")),
recb = new JButton(new ImageIcon("CanvasData/rect.png")), brub = new JButton(new ImageIcon("CanvasData/brus.png")),ellb = new JButton(new ImageIcon("CanvasData/ell.png")),
lib = new JButton(new ImageIcon("CanvasData/line.png")), peb = new JButton(new ImageIcon("CanvasData/penc.png")), nob = new JButton(new ImageIcon("CanvasData/nob.png")),
filb = new JButton(new ImageIcon("CanvasData/filb.png"));
atP.add(nob); atP.add(filb); atP.setVisible(false);
final AbstractColorChooserPanel accp = new JColorChooser().getChooserPanels()[0];
cP.add(accp);
accp.getColorSelectionModel().addChangeListener(new ChangeListener(){public void stateChanged(ChangeEvent e){pad.setCol(accp.getColorSelectionModel().getSelectedColor()); }});
neF.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ pad.clear();}});
exi.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ f.dispose();}});
eco.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){pad.color();}});
erb.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ pad.eraser();tool = "erb";}});
cbsb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.changeb();}});
txb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.text();tool = "txb";}});
recb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.rect(); tool = "recb";}});
brub.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ pad.brush(); tool = "brub";}});
ellb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){ pad.ellipse();tool = "ellb";}});
lib.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.line(); tool = "lib";}});
svF.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){ pad.save();}});
opF.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.open();}});
peb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.pencil();tool = "peb";}});
filb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.isShapeToBeFilled(true);}});
nob.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.isShapeToBeFilled(false);}});
undo.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.undo();}});
redo.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){pad.redo();}});
erb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("erb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
cbsb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("cbsb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
txb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("txb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
recb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("recb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
brub.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("brub"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
ellb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("ellb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
lib.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("lib"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
svF.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("svF"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
opF.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("opF"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
peb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("peb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
filb.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("filb"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
nob.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("nob"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
undo.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("undo"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
redo.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("redo"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
neF.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("neF"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
exi.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("exi"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
eco.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("eco"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
accp.addMouseListener(new MouseAdapter(){ public void mouseEntered(MouseEvent e){stb.setText(getM("accp"));}
public void mouseExited(MouseEvent e){stb.setText(getM("pad"));}});
erb.setToolTipText("Eraser");
peb.setToolTipText("Pencil");
txb.setToolTipText("Text");
brub.setToolTipText("Brush");
lib.setToolTipText("Line");
recb.setToolTipText("Rectangle");
ellb.setToolTipText("Ellipse");
cbsb.setToolTipText("Brush Size");
nob.setToolTipText("Draw");
filb.setToolTipText("Fill");
panel.add(erb);
panel.add(peb);
panel.add(txb);
panel.add(brub);
panel.add(lib);
panel.add(recb);
panel.add(ellb);
panel.add(cbsb);
panel.add(new JLabel(""));
panel.add(atP);
panel.add(usb, BorderLayout.SOUTH);
panel.add(stb, BorderLayout.SOUTH);
span.add(panel);
span.add(cP);
cont.add(span, BorderLayout.SOUTH);
f.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){pad.checkSave();}
public void windowClosed(WindowEvent e){System.exit(0);}});
f.setExtendedState(f.MAXIMIZED_BOTH);
f.setDefaultLookAndFeelDecorated(true);
f.setDefaultCloseOperation(f.DISPOSE_ON_CLOSE);
f.setVisible(true);
}
public static String getM(String too){
String msg = "";
switch(too) {
case "erb":
msg = "Eraser : Click or Drag to erase.";
break;
case "cbsb":
msg = "Change Brush Size : Click to select brush size.";
break;
case "txb":
msg = "Text : Click to set text and font. Then click to place the text on the image.";
break;
case "recb":
msg = "Rectangle : Drag to draw a rectangle.";
break;
case "brub":
msg = "Brush : Click or drag to draw something.";
break;
case "ellb":
msg = "Ellipse : Drag to draw a circle.";
break;
case "lib":
msg = "Line : Drag to draw a line.";
break;
case "svF":
msg = "Save File : Click to save the file to a specified location.";
break;
case "opF":
msg = "Open File : Click to open an image.";
break;
case "peb":
msg = "Pencil : Drag to draw something.";
break;
case "filb":
msg = "Fill : Click on it to draw a filled rectangle or circle.";
break;
case "nob":
msg = "Draw : Click on it to draw an empty rectangle or circle.";
break;
case "undo":
msg = "Undo : Click on it to revert the last change.";
break;
case "redo":
msg = "Redo : Click on it to repeat the last undo change.";
break;
case "neF":
msg = "Click on it to create a new empty image.";
break;
case "exi":
msg = "Click on it to exit from Canvas.";
break;
case "eco":
msg = "Click on it to select a color from 279 color swatches and HSV, HSL, RGB and CYMK color combinations.";
break;
case "accp":
msg = "Select a new Color from this.";
break;
case "pad":
msg = "Current Tool => "+getM(tool);
break;
}
return msg;
}
public static void sp(boolean wtd){
atP.setVisible(wtd);
}
public static void help(){
final JFrame hf = new JFrame("Canvas Help");
JPanel hpan = new JPanel(),fmh = new JPanel(),emh = new JPanel(),cmh = new JPanel(),hbp = new JPanel(),geh = new JPanel();
JButton okb = new JButton("OK");
JTabbedPane htp = new JTabbedPane();
JLabel ge1 = new JLabel("This is a paint program by Priydarshi Singh. It covers\n");
JLabel ge2 = new JLabel("most of the tools used in a paint program. You can\n");
JLabel ge3 = new JLabel("make drawings and save them in BMP,JPG,PNG,TIF\n");
JLabel ge4 = new JLabel("or GIF formats.\n");
JLabel fm1 = new JLabel("The File Menu gives you an option to create a new\n");
JLabel fm2 = new JLabel("empty image, save an image, open an image or exit\n");
JLabel fm3 = new JLabel("from Canvas.");
JLabel em1 = new JLabel("This menu allows you to revert the last change done\n");
JLabel em2 = new JLabel("on the image. If you wish, you can redo that change.\n");
JLabel cm1 = new JLabel("Color menu helps you to choose a color from 279 \n");
JLabel cm2 = new JLabel("color swatches and Hue-Saturation-Value(HSV), \n");
JLabel cm3 = new JLabel("Hue-Saturation-Lightness(HSL), Red-Green-Blue(RGB)\n");
JLabel cm4 = new JLabel("and Cyan-Magenta-Yellow(CMYK) Color Combinations.\n");
geh.add(ge1); geh.add(ge2); geh.add(ge3); geh.add(ge4);
fmh.add(fm1); fmh.add(fm2); fmh.add(fm3);
emh.add(em1); emh.add(em2);
cmh.add(cm1); cmh.add(cm2); cmh.add(cm3); cmh.add(cm4);
htp.add("Canvas",geh);
htp.add("File Menu Help",fmh);
htp.add("Edit Menu Help",emh);
htp.add("Color Menu Help",cmh);
hbp.add(okb);
okb.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){hf.dispose();}});
hf.add(htp);
hf.add(hbp, BorderLayout.SOUTH);
hf.setSize(400,200);
hf.setLocationRelativeTo(null);
hf.setResizable(false);
hf.setVisible(true);
}
}