JAVA截屏程序
有些时候截屏是很有必要的,可是不可能每次都开着QQ在那里截吧,也不可能按print sreen键,再后把整个桌面都截下来吧,这个时候,有一个自己的截屏程序是很有必要的,并且可以自己截成任意大小,任意位置.用法和当时QQ的截屏差不多.可以选区拖动,缩放选区,双击保存,右键选区是取消选区,右键别的地方是退出截屏程序.
/*
* CaptureScreen.java
*
* Created on 2006年9月7日, 上午10:59
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package test1;
/**
*
* @author lbf
*/
import java.awt. * ;
import java.awt.event. * ;
import javax.swing. * ;
import java.io. * ;
import javax.imageio. * ;
import java.awt.image. * ;
public class CaptureScreen extends JFrame implements ActionListener{
private JButton start,cancel,save;
private JPanel c;
private BufferedImage get;
/** Creates a new instance of CaptureScreen */
public CaptureScreen() {
super ( " 屏幕截取软件 " );
initWindow();
}
private void initWindow(){
start = new JButton( " 开始截取 " );
cancel = new JButton( " 退出 " );
save = new JButton( " 保存 " );
save.setEnabled( false );
save.addActionListener( this );
start.addActionListener( this );
cancel.addActionListener( this );
JPanel buttonJP = new JPanel();
c = new JPanel( new BorderLayout());
JLabel jl = new JLabel( " 屏幕截取 " ,JLabel.CENTER);
JLabel jl1 = new JLabel( " 作者：千里冰封 " ,JLabel.CENTER);
jl.setFont( new Font( " 黑体 " ,Font.BOLD, 40 ));
jl1.setFont( new Font( " 宋体 " ,Font.BOLD, 20 ));
jl.setForeground(Color.RED);
jl1.setForeground(Color.BLUE);
c.add(jl,BorderLayout.CENTER);
c.add(jl1,BorderLayout.SOUTH);
buttonJP.add(start);
buttonJP.add(save);
buttonJP.add(cancel);
this .getContentPane().add(c,BorderLayout.CENTER);
this .getContentPane().add(buttonJP,BorderLayout.SOUTH);
this .setSize( 300 , 300 );
this .setLocationRelativeTo( null );
this .setVisible( true );
this .setAlwaysOnTop( true );
this .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(){
try {
Robot ro = new Robot();
Toolkit tk = Toolkit.getDefaultToolkit();
Dimension di = tk.getScreenSize();
Rectangle rec = new Rectangle( 0 , 0 ,di.width,di.height);
BufferedImage bi = ro.createScreenCapture(rec);
JFrame jf = new JFrame();
jf.getContentPane().add( new Temp(jf,bi,di.width,di.height));
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());
int i = jfc.showSaveDialog( this );
if (i == JFileChooser.APPROVE_OPTION){
File file = jfc.getSelectedFile();
String about = " PNG " ;
String ext = file.toString().toLowerCase();
javax.swing.filechooser.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 " ;
}
}
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();
}
}
public void actionPerformed(ActionEvent ae){
if (ae.getSource() == start){
doStart();
} else if (ae.getSource() == cancel){
System.exit( 0 );
} else if (ae.getSource() == save){
doSave();
}
}
// 一个文件后缀名选择器
private class JPGfilter extends javax.swing.filechooser.FileFilter{
public JPGfilter(){
}
public boolean accept(File file){
if (file.toString().toLowerCase().endsWith( " .jpg " ) ||
file.toString().toLowerCase().endsWith( " .jpeg " ) ||
file.isDirectory()){
return true ;
} else
return false ;
}
public String getDescription(){
return " *.JPG,*.JPEG(JPG,JPEG图像) " ;
}
}
private class PNGfilter extends javax.swing.filechooser.FileFilter{
public boolean accept(File file){
if (file.toString().toLowerCase().endsWith( " .png " ) ||
file.isDirectory()){
return true ;
} else
return false ;
}
public String getDescription(){
return " *.PNG(PNG图像) " ;
}
}
// 一个暂时类，用于显示当前的屏幕图像
private class Temp extends JPanel implements MouseListener,MouseMotionListener{
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 Cursor cs; // 表示一般情况下的鼠标状态
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
public Temp(JFrame jf,BufferedImage bi, int width, int height){
this .jf = jf;
this .bi = bi;
this .width = width;
this .height = height;
this .addMouseListener( this );
this .addMouseMotionListener( this );
Image icon = Toolkit.getDefaultToolkit().createImage( this .getClass().getResource( " icon.png " ));
cs = Toolkit.getDefaultToolkit().createCustomCursor(icon, new Point( 0 , 0 ), " icon " );
this .setCursor(cs);
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 );
}
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 ;
}
}
this .setCursor(cs);
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();
}
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.getClickCount() == 2 ){
// Rectangle rec=new Rectangle(startX,startY,Math.abs(endX-startX),Math.abs(endY-startY));
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);
jf.dispose();
save.setEnabled( true );
updates();
} 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);
jf.dispose();
save.setEnabled( true );
updates();
}
}
}
}
}
public static void main(String args[]){
new CaptureScreen();
}
}
enum States{
NORTH_WEST( new Cursor(Cursor.NW_RESIZE_CURSOR)), // 表示西北角
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;
}
}
* CaptureScreen.java
*
* Created on 2006年9月7日, 上午10:59
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package test1;
/**
*
* @author lbf
*/
import java.awt. * ;
import java.awt.event. * ;
import javax.swing. * ;
import java.io. * ;
import javax.imageio. * ;
import java.awt.image. * ;
public class CaptureScreen extends JFrame implements ActionListener{
private JButton start,cancel,save;
private JPanel c;
private BufferedImage get;
/** Creates a new instance of CaptureScreen */
public CaptureScreen() {
super ( " 屏幕截取软件 " );
initWindow();
}
private void initWindow(){
start = new JButton( " 开始截取 " );
cancel = new JButton( " 退出 " );
save = new JButton( " 保存 " );
save.setEnabled( false );
save.addActionListener( this );
start.addActionListener( this );
cancel.addActionListener( this );
JPanel buttonJP = new JPanel();
c = new JPanel( new BorderLayout());
JLabel jl = new JLabel( " 屏幕截取 " ,JLabel.CENTER);
JLabel jl1 = new JLabel( " 作者：千里冰封 " ,JLabel.CENTER);
jl.setFont( new Font( " 黑体 " ,Font.BOLD, 40 ));
jl1.setFont( new Font( " 宋体 " ,Font.BOLD, 20 ));
jl.setForeground(Color.RED);
jl1.setForeground(Color.BLUE);
c.add(jl,BorderLayout.CENTER);
c.add(jl1,BorderLayout.SOUTH);
buttonJP.add(start);
buttonJP.add(save);
buttonJP.add(cancel);
this .getContentPane().add(c,BorderLayout.CENTER);
this .getContentPane().add(buttonJP,BorderLayout.SOUTH);
this .setSize( 300 , 300 );
this .setLocationRelativeTo( null );
this .setVisible( true );
this .setAlwaysOnTop( true );
this .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(){
try {
Robot ro = new Robot();
Toolkit tk = Toolkit.getDefaultToolkit();
Dimension di = tk.getScreenSize();
Rectangle rec = new Rectangle( 0 , 0 ,di.width,di.height);
BufferedImage bi = ro.createScreenCapture(rec);
JFrame jf = new JFrame();
jf.getContentPane().add( new Temp(jf,bi,di.width,di.height));
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());
int i = jfc.showSaveDialog( this );
if (i == JFileChooser.APPROVE_OPTION){
File file = jfc.getSelectedFile();
String about = " PNG " ;
String ext = file.toString().toLowerCase();
javax.swing.filechooser.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 " ;
}
}
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();
}
}
public void actionPerformed(ActionEvent ae){
if (ae.getSource() == start){
doStart();
} else if (ae.getSource() == cancel){
System.exit( 0 );
} else if (ae.getSource() == save){
doSave();
}
}
// 一个文件后缀名选择器
private class JPGfilter extends javax.swing.filechooser.FileFilter{
public JPGfilter(){
}
public boolean accept(File file){
if (file.toString().toLowerCase().endsWith( " .jpg " ) ||
file.toString().toLowerCase().endsWith( " .jpeg " ) ||
file.isDirectory()){
return true ;
} else
return false ;
}
public String getDescription(){
return " *.JPG,*.JPEG(JPG,JPEG图像) " ;
}
}
private class PNGfilter extends javax.swing.filechooser.FileFilter{
public boolean accept(File file){
if (file.toString().toLowerCase().endsWith( " .png " ) ||
file.isDirectory()){
return true ;
} else
return false ;
}
public String getDescription(){
return " *.PNG(PNG图像) " ;
}
}
// 一个暂时类，用于显示当前的屏幕图像
private class Temp extends JPanel implements MouseListener,MouseMotionListener{
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 Cursor cs; // 表示一般情况下的鼠标状态
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
public Temp(JFrame jf,BufferedImage bi, int width, int height){
this .jf = jf;
this .bi = bi;
this .width = width;
this .height = height;
this .addMouseListener( this );
this .addMouseMotionListener( this );
Image icon = Toolkit.getDefaultToolkit().createImage( this .getClass().getResource( " icon.png " ));
cs = Toolkit.getDefaultToolkit().createCustomCursor(icon, new Point( 0 , 0 ), " icon " );
this .setCursor(cs);
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 );
}
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 ;
}
}
this .setCursor(cs);
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();
}
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.getClickCount() == 2 ){
// Rectangle rec=new Rectangle(startX,startY,Math.abs(endX-startX),Math.abs(endY-startY));
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);
jf.dispose();
save.setEnabled( true );
updates();
} 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);
jf.dispose();
save.setEnabled( true );
updates();
}
}
}
}
}
public static void main(String args[]){
new CaptureScreen();
}
}
enum States{
NORTH_WEST( new Cursor(Cursor.NW_RESIZE_CURSOR)), // 表示西北角
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;
}
}
尽管千里冰封
依然拥有晴空
你我共同品味JAVA的浓香.