package com.image.capture;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.RoundRectangle2D;
import javax.swing.*;
import java.io.*;
import javax.imageio.*;
import java.awt.image.*;
import javax.swing.filechooser.FileFilter;
public class CaptureScreen extends JFrame implements ActionListener {
private static final long serialVersionUID = 1L;
private JButton start, save, saveFile, cancel;
private JButton clipboard, clipboardScreen;
private JCheckBox recapture = new JCheckBox("重新截取屏幕区域");
private JPanel c;
private BufferedImage get;
private final JFrame th = this;
public CaptureScreen() {
super("多功能截屏软件");
initWindow();
}
private void initWindow() {
recapture.setEnabled(false);
recapture.setSelected(true);
start = new JButton("开始截取");
cancel = new JButton("退出");
save = new JButton("保存");
saveFile = new JButton("全屏幕保存");
clipboard = new JButton("区域截取到剪贴板");
clipboardScreen = new JButton("全屏幕截取到剪贴板");
start.addActionListener(this);
save.addActionListener(this);
save.setEnabled(false);
saveFile.addActionListener(this);
cancel.addActionListener(this);
clipboard.addActionListener(this);
clipboardScreen.addActionListener(this);
JPanel buttonJP = new JPanel();
JPanel buttonJP2 = new JPanel();
c = new JPanel(new BorderLayout());
JLabel jl = new JLabel("屏幕截取", JLabel.CENTER);
jl.setFont(new Font("黑体", Font.BOLD, 40));
jl.setForeground(Color.RED);
c.add(jl, BorderLayout.CENTER);
buttonJP.add(start);
buttonJP.add(save);
buttonJP.add(saveFile);
buttonJP.add(cancel);
buttonJP2.add(recapture);
buttonJP2.add(clipboard);
buttonJP2.add(clipboardScreen);
add(c, BorderLayout.CENTER);
add(buttonJP, BorderLayout.SOUTH);
add(buttonJP2, BorderLayout.NORTH);
setSize(450, 300);
setLocationRelativeTo(null);
setVisible(true);
setAlwaysOnTop(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private void updates() {
if (get != null) {
ImageIcon ii = new ImageIcon(get);
JLabel jl = new JLabel(ii);
c.removeAll();
c.add(new JScrollPane(jl), BorderLayout.CENTER);
SwingUtilities.updateComponentTreeUI(this);
}
}
private void doStart() {
this.setVisible(false);
try {
Robot ro = new Robot();
Dimension di = Toolkit.getDefaultToolkit().getScreenSize();
final JFrame jf = new JFrame();
final ScreenImagePanel sip = new ScreenImagePanel(this, jf,
ro.createScreenCapture(new Rectangle(0, 0, di.width,
di.height)), di.width, di.height);
jf.add(sip);
jf.addKeyListener(new KeyListener() {
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyReleased(KeyEvent e) {
if (e.getKeyCode() == 27) {
// over=false;
jf.dispose();
th.setVisible(true);
}
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
});
jf.setUndecorated(true);
jf.setSize(di);
jf.setVisible(true);
jf.setAlwaysOnTop(true);
} catch (Exception exe) {
exe.printStackTrace();
}
}
private void doSave() {
try {
JFileChooser jfc = new JFileChooser(".");
jfc.addChoosableFileFilter(new JPGfilter());
jfc.addChoosableFileFilter(new PNGfilter());
jfc.addChoosableFileFilter(new BMPfilter());
if (jfc.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
File file = jfc.getSelectedFile();
String about = "PNG";
String ext = file.toString().toLowerCase();
FileFilter ff = jfc.getFileFilter();
if (ff instanceof JPGfilter) {
if (!ext.endsWith(".jpg")) {
String ns = ext + ".jpg";
file = new File(ns);
about = "JPG";
}
} else if (ff instanceof PNGfilter) {
if (!ext.endsWith(".png")) {
String ns = ext + ".png";
file = new File(ns);
about = "PNG";
}
} else if (ff instanceof BMPfilter) {
if (!ext.endsWith(".bmp")) {
String ns = ext + ".bmp";
file = new File(ns);
about = "BMP";
}
}
if (ImageIO.write(get, about, file)) {
JOptionPane.showMessageDialog(this, "保存成功！");
save.setEnabled(false);
} else
JOptionPane.showMessageDialog(this, "保存失败！");
}
} catch (Exception exe) {
exe.printStackTrace();
}
}
private void doSaveFile() {
this.setVisible(false);
try {
JFileChooser jfc = new JFileChooser(".");
jfc.addChoosableFileFilter(new JPGfilter());
jfc.addChoosableFileFilter(new PNGfilter());
jfc.addChoosableFileFilter(new BMPfilter());
if (jfc.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
File file = jfc.getSelectedFile();
String about = "PNG";
String ext = file.toString().toLowerCase();
FileFilter ff = jfc.getFileFilter();
if (ff instanceof JPGfilter) {
if (!ext.endsWith(".jpg")) {
String ns = ext + ".jpg";
file = new File(ns);
about = "JPG";
}
} else if (ff instanceof PNGfilter) {
if (!ext.endsWith(".png")) {
String ns = ext + ".png";
file = new File(ns);
about = "PNG";
}
} else if (ff instanceof BMPfilter) {
if (!ext.endsWith(".bmp")) {
String ns = ext + ".bmp";
file = new File(ns);
about = "BMP";
}
}
try {
// 拷贝屏幕到一个BufferedImage对象screenshot
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
BufferedImage screenshot = new Robot()
.createScreenCapture(new Rectangle(0, 0, (int) d
.getWidth(), (int) d.getHeight()));
// 将screenshot对象写入图像文件
if (ImageIO.write(screenshot, about, file)) {
JOptionPane.showMessageDialog(this, "保存成功！");
} else
JOptionPane.showMessageDialog(this, "保存失败！");
} catch (Exception ex) {
System.err.println(ex);
}
}
} catch (Exception exe) {
exe.printStackTrace();
} finally {
this.setVisible(true);
}
}
public void actionPerformed(ActionEvent ae) {
if (ae.getSource() == start)
doStart();
else if (ae.getSource() == cancel)
System.exit(0);
else if (ae.getSource() == save)
doSave();
else if (ae.getSource() == saveFile)
doSaveFile();
else if (ae.getSource() == clipboard)
doClipboard();
else if (ae.getSource() == clipboardScreen)
doClipboardScreen();
}
private void doClipboardScreen() {
this.setVisible(false);
try {
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
new ClipboardUtil().writeToClipboard(new Robot()
.createScreenCapture(new Rectangle(0, 0,
(int) d.getWidth(), (int) d.getHeight())));
JOptionPane.showMessageDialog(this, "全屏截图已复制到剪贴板！");
} catch (Exception ex) {
ex.printStackTrace();
} finally {
this.setVisible(true);
}
}
private void doClipboard() {
if (recapture.isSelected()) {
this.setVisible(false);
new Screenshot(this);
} else {
try {
new ClipboardUtil().writeToClipboard(get);
JOptionPane.showMessageDialog(this, "指定区域截图已复制到剪贴板！");
} catch (Exception ex) {
JOptionPane.showMessageDialog(this, "指定区域截图未复制到剪贴板！");
} finally {
this.setVisible(true);
}
}
}
// 一个文件后缀名选择器
private class JPGfilter extends FileFilter {
public boolean accept(File file) {
return file.toString().toLowerCase().endsWith(".jpg")
|| file.toString().toLowerCase().endsWith(".jpeg")
|| file.isDirectory();
}
public String getDescription() {
return "*.JPG,*.JPEG(JPG,JPEG图像)";
}
}
private class PNGfilter extends FileFilter {
public boolean accept(File file) {
return file.toString().toLowerCase().endsWith(".png")
|| file.isDirectory();
}
public String getDescription() {
return "*.PNG(PNG图像)";
}
}
private class BMPfilter extends FileFilter {
public boolean accept(File file) {
return file.toString().toLowerCase().endsWith(".bmp")
|| file.isDirectory();
}
public String getDescription() {
return "*.BMP(BMP位图)";
}
}
// 一个暂时类，用于显示当前的屏幕图像
private class ScreenImagePanel extends JPanel implements MouseListener,
MouseMotionListener {
private static final long serialVersionUID = 1L;
private BufferedImage bi;
private int width, height;
private int startX, startY, endX, endY, tempX, tempY;
private JFrame jf;
private Rectangle select = new Rectangle(0, 0, 0, 0);// 表示选中的区域
private States current = States.DEFAULT;// 表示当前的编辑状态
private Rectangle[] rec;// 表示八个编辑点的区域
private CaptureScreen cs;
private ImageIcon icon = new ImageIcon();
public ScreenImagePanel(CaptureScreen cs, JFrame jf, BufferedImage bi,
int width, int height) throws AWTException {
this.jf = jf;
this.bi = bi;
this.width = width;
this.height = height;
this.cs = cs;
this.addMouseListener(this);
this.addMouseMotionListener(this);
initRecs();
}
private void initRecs() {
rec = new Rectangle[8];
for (int i = 0; i < rec.length; i++)
rec[i] = new Rectangle();
}
public void paintComponent(Graphics g) {
g.drawImage(bi, 0, 0, width, height, this);
g.setColor(Color.RED);
g.drawLine(startX, startY, endX, startY);
g.drawLine(startX, endY, endX, endY);
g.drawLine(startX, startY, startX, endY);
g.drawLine(endX, startY, endX, endY);
int x = startX < endX ? startX : endX;
int y = startY < endY ? startY : endY;
select = new Rectangle(x, y, Math.abs(endX - startX), Math.abs(endY
- startY));
int x1 = (startX + endX) / 2;
int y1 = (startY + endY) / 2;
g.fillRect(x1 - 2, startY - 2, 5, 5);
g.fillRect(x1 - 2, endY - 2, 5, 5);
g.fillRect(startX - 2, y1 - 2, 5, 5);
g.fillRect(endX - 2, y1 - 2, 5, 5);
g.fillRect(startX - 2, startY - 2, 5, 5);
g.fillRect(startX - 2, endY - 2, 5, 5);
g.fillRect(endX - 2, startY - 2, 5, 5);
g.fillRect(endX - 2, endY - 2, 5, 5);
rec[0] = new Rectangle(x - 5, y - 5, 10, 10);
rec[1] = new Rectangle(x1 - 5, y - 5, 10, 10);
rec[2] = new Rectangle((startX > endX ? startX : endX) - 5, y - 5,
10, 10);
rec[3] = new Rectangle((startX > endX ? startX : endX) - 5, y1 - 5,
10, 10);
rec[4] = new Rectangle((startX > endX ? startX : endX) - 5,
(startY > endY ? startY : endY) - 5, 10, 10);
rec[5] = new Rectangle(x1 - 5, (startY > endY ? startY : endY) - 5,
10, 10);
rec[6] = new Rectangle(x - 5, (startY > endY ? startY : endY) - 5,
10, 10);
rec[7] = new Rectangle(x - 5, y1 - 5, 10, 10);
Graphics2D g2d = (Graphics2D) g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(new Color(150, 150, 150));
AlphaComposite composite = AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, 60 / 100.0F);
g2d.setComposite(composite);
g2d.fill(new RoundRectangle2D.Float(0, 0, this.getWidth(), this
.getHeight(), 0, 0));
if (endY != startY && endX != startX) {
icon.setImage(bi.getSubimage(x, y, Math.abs(endX - startX),
Math.abs(endY - startY)));
g.drawImage(icon.getImage(), x, y, this);
}
}
public void mouseMoved(MouseEvent me) {
if (select.contains(me.getPoint())) {
this.setCursor(new Cursor(Cursor.MOVE_CURSOR));
current = States.MOVE;
} else {
States[] st = States.values();
for (int i = 0; i < rec.length; i++) {
if (rec[i].contains(me.getPoint())) {
current = st[i];
this.setCursor(st[i].getCursor());
return;
}
}
current = States.DEFAULT;
}
}
public void mouseExited(MouseEvent me) {
}
public void mouseEntered(MouseEvent me) {
}
public void mouseDragged(MouseEvent me) {
int x = me.getX();
int y = me.getY();
if (current == States.MOVE) {
startX += (x - tempX);
startY += (y - tempY);
endX += (x - tempX);
endY += (y - tempY);
tempX = x;
tempY = y;
} else if (current == States.EAST) {
if (startX > endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
} else if (current == States.NORTH) {
if (startY < endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
} else if (current == States.WEST) {
if (startX < endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
} else if (current == States.SOUTH) {
if (startY > endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
} else if (current == States.NORTH_EAST) {
if (startX > endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
if (startY < endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
} else if (current == States.NORTH_WEST) {
if (startX < endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
if (startY < endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
} else if (current == States.SOUTH_EAST) {
if (startY > endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
if (startX > endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
} else if (current == States.SOUTH_WEST) {
if (startY > endY) {
startY += (y - tempY);
tempY = y;
} else {
endY += (y - tempY);
tempY = y;
}
if (startX < endX) {
startX += (x - tempX);
tempX = x;
} else {
endX += (x - tempX);
tempX = x;
}
}
else {
startX = tempX;
startY = tempY;
endX = me.getX();
endY = me.getY();
}
this.repaint();
}
public void mousePressed(MouseEvent me) {
tempX = me.getX();
tempY = me.getY();
if (me.getButton() == 3) {
jf.dispose();
cs.setVisible(true);
}
}
public void mouseReleased(MouseEvent me) {
if (me.isPopupTrigger()) {
if (current == States.MOVE) {
startX = 0;
startY = 0;
endX = 0;
endY = 0;
repaint();
} else {
jf.dispose();
updates();
}
}
}
public void mouseClicked(MouseEvent me) {
if (me.getButton() == 1 && me.getClickCount() == 2) {
Point p = me.getPoint();
if (select.contains(p)) {
if (select.x + select.width < this.getWidth()
&& select.y + select.height < this.getHeight()) {
get = bi.getSubimage(select.x, select.y, select.width,
select.height);
} else {
int wid = select.width, het = select.height;
if (select.x + select.width >= this.getWidth()) {
wid = this.getWidth() - select.x;
}
if (select.y + select.height >= this.getHeight()) {
het = this.getHeight() - select.y;
}
get = bi.getSubimage(select.x, select.y, wid, het);
}
updates();
if (get.getWidth() + 20 > 450) {
cs.setLocation(
(bi.getWidth() - get.getWidth() - 20) / 2,
(bi.getHeight() - get.getHeight() - 80) / 2);
cs.setSize(get.getWidth() + 20, get.getHeight() + 120);
} else {
cs.setLocation((bi.getWidth() - 450) / 2,
(bi.getHeight() - get.getHeight() - 80) / 2);
cs.setSize(450, get.getHeight() + 120);
}
cs.setVisible(true);
jf.dispose();
save.setEnabled(true);
recapture.setEnabled(true);
}
} else if (me.getButton() == 3) {
jf.dispose();
cs.setVisible(true);
}
}
}
public static void main(String args[]) {
new CaptureScreen();
}
}
enum States {
NORTH_WEST(new Cursor(Cursor.NW_RESIZE_CURSOR)), NORTH(new Cursor(
Cursor.N_RESIZE_CURSOR)), NORTH_EAST(new Cursor(
Cursor.NE_RESIZE_CURSOR)), EAST(new Cursor(Cursor.E_RESIZE_CURSOR)), SOUTH_EAST(
new Cursor(Cursor.SE_RESIZE_CURSOR)), SOUTH(new Cursor(
Cursor.S_RESIZE_CURSOR)), SOUTH_WEST(new Cursor(
Cursor.SW_RESIZE_CURSOR)), WEST(new Cursor(Cursor.W_RESIZE_CURSOR)), MOVE(
new Cursor(Cursor.MOVE_CURSOR)), DEFAULT(new Cursor(
Cursor.DEFAULT_CURSOR));
private Cursor cs;
States(Cursor cs) {
this.cs = cs;
}
public Cursor getCursor() {
return cs;
}
}
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