java swing 截屏软件实现

package com.jb2011.im.cs; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Cursor; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Image; import java.awt.MouseInfo; import java.awt.Point; import java.awt.Rectangle; import java.awt.Robot; import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionAdapter; import java.awt.image.BufferedImage; import java.io.File; import java.util.Calendar; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JMenuItem; import javax.swing.JPanel; import javax.swing.JPopupMenu; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.filechooser.FileSystemView; import com.jb2011.im.cs.window.MagnifierWindow; import com.jb2011.im.cs.window.RectInfoWindow; import com.jb2011.im.cs.window.ToolBarWindow; import com.ufgov.component.special.util.SysUtil; import com.ufgov.component.special.util.Util; /** * @describe 截屏功能 * @author suyanga * @date 2015年5月10日 上午12:12:14 */ public class CaptureScreen extends JPanel { private static final long serialVersionUID = 1L; /** 选区周围的敏感触点宽 */ public final static int SENSITIVE_REC_WIDTH = 5; /** 选区周围的敏感触点高 */ public final static int SENSITIVE_REC_HEIGHT = 5; /** 左上角敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_LEFT_TOP = 1; /** 左中敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_LEFT_CENTER = 2; /** 左下敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_LEFT_BOTTOM = 3; /** 上中敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_TOP_CENTER = 4; /** 下中敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_BOTTOM_CENTER = 5; /** 右上角敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_RIGHT_TOP = 6; /** 右中敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_RIGHT_CENTER = 7; /** 右下角敏感区标识符 */ public final static int SENSITIVE_REC_IDENT_RIGHT_BOTTOM = 8; /** 在选择区内滚动滚轴(x1,y1)坐标X轴方向的位移量(绝对值) */ public final static int DELTA_X_FOR_SCALE_SELECTED_AREA = 10; /** 存放敏感区标识符 */ private int sensitive_rec_ident = 0; /** 选择区坐标原点X */ public static int x = -1; /** 选择区坐标原点Y */ public static int y = -1; /** 选择区右下角坐标X */ public static int x1 = -1; /** 选择区右下角坐标Y */ public static int y1 = -1; /** 当mouse在选择区内按下左键瞬间时距左上点x距离 */ private static int x_rela = -1; /** 当mouse在选择区内按下左键瞬间时距左上点y距离 */ private static int y_rela = -1; /** 当mouse在选择区内按下左键瞬间时距右下点x1距离 */ private static int x1_rela = -1; /** 当mouse在选择区内按下左键瞬间时距右下点y1距离 */ private static int y1_rela = -1; /** 当mouse到达敏感区内按下左键瞬间时的坐标X */ private static int x_in_sensitive = -1; /** 当mouse到达敏感区内按下左键瞬间时的坐标Y */ private static int y_in_sensitive = -1; /** 面板的背景图像(缓存用于每次重绘) */ public static Image background = null; public static BufferedImage bufferedImage = null; /** 宿主窗口 */ private static JDialog parentDialog = null; /** 是否重新确定选择区 */ private boolean isDraw = false; /** 是否是选择区移动 */ private boolean isMove = false; /** 是否是改变大小 */ private boolean isZoom = false; public static CaptureScreen csStamdalone; private static Robot rbt; private static Toolkit toolKit = null; /** * 彩色鼠标指针 */ private static Cursor colorfulCursor; /** * 选择区上的弹出框 */ private static JPopupMenu popupMenu; static { try { rbt = new Robot(); toolKit = Toolkit.getDefaultToolkit(); } catch (Exception e) { System.out.println("无法实例化Robot!"); } } private CaptureScreen() throws Exception { this.initGUI(); } private void initGUI() { this.setDoubleBuffered(true); this.setSize(getScreenWidth(), getScreenHeight()); this.setVisible(true); this.doAddMouseListener(); this.doAddMouseMotionListener(); } /** * 设置默认坐标(还原). */ public static void initLocation() { x = -1; y = -1; x1 = -1; y1 = -1; x_rela = -1; y_rela = -1; x1_rela = -1; y1_rela = -1; x_in_sensitive = -1; y_in_sensitive = -1; } public static void refreshBackgroud() { if (rbt != null) { //利用机器人捕获整个屏幕快照 background = rbt.createScreenCapture(new Rectangle(0, 0, (int) CaptureScreen.getScreenWidth(), (int) CaptureScreen.getScreenHeight())); bufferedImage = Util.toBufferedImage(CaptureScreen.background); } else { System.out.println("Robot引用为空，可能是无法实例化Robot对象！"); } } /** * 添加mouse监听事件. * @param com JComponent */ private void doAddMouseListener() { this.addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { //如果是左键 if (e.getButton() == MouseEvent.BUTTON1) { //出于Java底层API对mouse事件的捕获粒度影响,在诸如敏感区等如此小的区 //域内进行移动事件捕获要想准确是相当困难的(以下代码是本程序的解决方法:一旦 //确定在哪个区进行伸缩,直到释放前,无需再进行其它处理) if (isInsideSensitiveRec(e.getX(), e.getY())) { //伸缩操作 isZoom = true; //确定伸缩操作的开始位置(以决定伸缩方式) if (isInsideRecLeftTop(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_LEFT_TOP; } else if (isInsideRecLeftCenter(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_LEFT_CENTER; } else if (isInsideRecLeftBottom(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_LEFT_BOTTOM; } else if (isInsideRecTopCenter(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_TOP_CENTER; } else if (isInsideRecBottomCenter(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_BOTTOM_CENTER; } else if (isInsideRecRightTop(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_RIGHT_TOP; } else if (isInsideRecRightCenter(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_RIGHT_CENTER; } else if (isInsideRecRightBottom(e.getX(), e.getY())) { sensitive_rec_ident = SENSITIVE_REC_IDENT_RIGHT_BOTTOM; } //当mouse在敏感区内时设定首次参考坐标，以便进行选择区伸缩 x_in_sensitive = e.getX(); y_in_sensitive = e.getY(); } //当mouse在选择区内时设定首次参考坐标，以便进行选择区移动 else if (isInSelectedArea(e.getX(), e.getY())) { isMove = true; x_rela = e.getX() - x; y_rela = e.getY() - y; x1_rela = x1 - e.getX(); y1_rela = y1 - e.getY(); } //区域外时不更新选择区坐标原点,但更新右下角坐标(以便重绘) else { isDraw = true; x = e.getX(); y = e.getY(); } } } public void mouseReleased(MouseEvent e) { //mouse左键释放时选区矩形以确定(包括位置、大小),那么绘制它的左上角坐标 //和右下角坐标我们需根据不同情况进行调整(如从右上�