java 写的类似qq的截图工具

1、ÀàËÆQQ½Øͼ¹¤¾ß£ºpackage Util;import java.awt.*;import java.awt.datatransfer.DataFlavor;import java.awt.datatransfer.Transferable;import java.awt.datatransfer.UnsupportedFlavorException;import java.awt.event.*;import javax.swing.*;

2、import java.io.*;import javax.imageio.*;import java.awt.image.*;/* author jacky.zhu*/public class CaptureScreen extends JFrame implements ActionListenerprivate JButton start,cancel,save;private BufferedImage get;/* Creates a new instance of CaptureScreen */public CaptureScreen() doStart();/Ò

3、87;¸öÔÝʱÀ࣬ÓÃÓÚÏÔʾµ±Ç°µÄÆÁĻͼÏñprivate class Temp extends JPanel implements MouseListener,MouseMotionListenerprivate BufferedImage bi;pr

4、ivate int width,height;private int startX,startY,endX,endY,tempX,tempY;private JFrame jf;private Rectangle select=new Rectangle(0,0,0,0);/±íʾѡÖеÄÇøÓòprivate Cursor cs;/±íʾһ°ãÇé

5、;¿öϵÄÊó±ê״̬private States current=States.DEFAULT;/ ±íʾµ±Ç°µÄ±à¼­×´Ì¬private Rectangle rec;/±íʾ°Ë¸&#

6、246;±à¼­µãµÄÇøÓòpublic 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().creat

7、eImage(this.getClass().getResource("icon.png");cs=Toolkit.getDefaultToolkit().createCustomCursor(icon,new Point(0,0),"icon");this.setCursor(cs);initRecs();private void initRecs()rec=new Rectangle8;for(int i=0;i<rec.length;i+)reci=new Rectangle();public void paintComponent(Grap

8、hics 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,

9、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

10、,5,5);g.fillRect(endX-2,endY-2,5,5);rec0=new Rectangle(x-5,y-5,10,10);rec1=new Rectangle(x1-5,y-5,10,10);rec2=new Rectangle(startX>endX?startX:endX)-5,y-5,10,10);rec3=new Rectangle(startX>endX?startX:endX)-5,y1-5,10,10);rec4=new Rectangle(startX>endX?startX:endX)-5,(startY>endY?startY:en

11、dY)-5,10,10);rec5=new Rectangle(x1-5,(startY>endY?startY:endY)-5,10,10);rec6=new Rectangle(x-5,(startY>endY?startY:endY)-5,10,10);rec7=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

12、.MOVE; elseStates st=States.values();for(int i=0;i<rec.length;i+)if(reci.contains(me.getPoint()current=sti;this.setCursor(sti.getCursor();return;this.setCursor(cs);current=States.DEFAULT;public void mouseExited(MouseEvent me)public void mouseEntered(MouseEvent me)public void mouseDragged(MouseEve

13、nt 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; elseendX+=(x-tempX);tempX=x;else if(current=States.NORTH)if(startY<endY)startY+

14、=(y-tempY);tempY=y;elseendY+=(y-tempY);tempY=y;else if(current=States.WEST)if(startX<endX)startX+=(x-tempX);tempX=x; elseendX+=(x-tempX);tempX=x;else if(current=States.SOUTH)if(startY>endY)startY+=(y-tempY);tempY=y;elseendY+=(y-tempY);tempY=y; else if(current=States.NORTH_EAST)if(startX>end

15、X)startX+=(x-tempX);tempX=x; elseendX+=(x-tempX);tempX=x;if(startY<endY)startY+=(y-tempY);tempY=y;elseendY+=(y-tempY);tempY=y;else if(current=States.NORTH_WEST)if(startX<endX)startX+=(x-tempX);tempX=x; elseendX+=(x-tempX);tempX=x;if(startY<endY)startY+=(y-tempY);tempY=y;elseendY+=(y-tempY);

16、tempY=y;else if(current=States.SOUTH_EAST)if(startY>endY)startY+=(y-tempY);tempY=y;elseendY+=(y-tempY);tempY=y;if(startX>endX)startX+=(x-tempX);tempX=x; elseendX+=(x-tempX);tempX=x;else if(current=States.SOUTH_WEST)if(startY>endY)startY+=(y-tempY);tempY=y;elseendY+=(y-tempY);tempY=y;if(star

17、tX<endX)startX+=(x-tempX);tempX=x; elseendX+=(x-tempX);tempX=x;elsestartX=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)System.out.println("mouseReleased");if

18、(me.isPopupTrigger()if(current=States.MOVE)startX=0;startY=0;endX=0;endY=0;repaint(); elsejf.dispose();/doSave();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.conta

19、ins(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);doSave();elseint wid=select.width,het=select.height;if(select.x+select.width>=this.getWidth()wi

20、d=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);doSave();private void doStart()tryRobot ro=new Robot();Toolkit tk=Toolkit.getDefaultToolkit();Dimension di=tk.getSc

21、reenSize();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.pri

22、ntStackTrace();private void doSave()throws NullPointerExceptionsetClipboardImage2(get);/*tryFile file = new File("d:/temp/123.jpg");/ÕâÀïÎÒдËÀÁË·¾¶ºÍÀàÐÍjpgString about="jpg

23、"String ext=file.toString().toLowerCase();System.out.println(ext);ImageIO.write(get,about,file); 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)d

24、oSave();protected static void setClipboardImage2(final Image image) Transferable trans = new Transferable()public DataFlavor getTransferDataFlavors() return new DataFlavor DataFlavor.imageFlavor ;public boolean isDataFlavorSupported(DataFlavor flavor) return DataFlavor.imageFlavor.equals(flavor);public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException if(isDataFlavorSupported(flavor)return image;throw new UnsupportedFlavorException(flavor);Toolkit.getDefaultToolkit().getSystemClipboard().setContents(trans,