java 截图工具.doc

java import java.awt.AWTException; import java.awt.BorderLayout; import java.awt.Button; import java.awt.Color; import java.awt.Cursor; import java.awt.Dimension; import java.awt.FileDialog; import java.awt.Frame; import java.awt.Graphics; import java.awt.Image; import java.awt.Panel; import java.awt.Point; import java.awt.Rectangle; import java.awt.Robot; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.MouseMotionListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class AWTpicture extends Frame implements MouseListener, MouseMotionListener, ActionListener private int firstX, firstY, frameWidth, frameHeight; private int firstWith, firstHeight, firstPointx, firstPointy; private BufferedImage bi, sbi, original; private Robot robot; private Rectangle rectangle; private Rectangle rectangleCursor, rectangleCursorUp, rectangleCursorDown, rectangleCursorLeft, rectangleCursorRight; private Rectangle rectangleCursorRU, rectangleCursorRD, rectangleCursorLU, rectangleCursorLD; private Image bis; private Dimension dimension; private Button button, button2, clearButton; private Point point = new Point3; private int width, height; private int nPoints = 5; private Panel panel; private boolean drawHasFinish = false, change = false; private int changeFirstPointX, changeFirstPointY, changeWidth, changeHeight; private boolean changeUP = false, changeDOWN = false, changeLEFT = false, changeRIGHT = false, changeRU = false, changeRD = false, changeLU = false, changeLD = false; private boolean clearPicture = false, redraw = false; private FileDialog fileDialog; private AWTpicture() / dimension = Toolkit.getDefaultToolkit().getScreenSize(); frameWidth = dimension.width; frameHeight = dimension.height; fileDialog = new FileDialog(this, , FileDialog.SAVE); rectangle = new Rectangle(frameWidth, frameHeight); panel = new Panel(); button = new Button(); button.setCursor(new Cursor(Cursor.DEFAULT_CURSOR); button.setBackground(Color.green); button2 = new Button(); button2.setBackground(Color.darkGray); button2.addActionListener(new MyTakePicture(this); button2.setCursor(new Cursor(Cursor.DEFAULT_CURSOR); button.addActionListener(this); clearButton = new Button(); clearButton.setBackground(Color.green); clearButton.setCursor(new Cursor(Cursor.DEFAULT_CURSOR); clearButton.addActionListener(new MyClearPicture(this); panel.setLayout(new BorderLayout(); panel.add(clearButton, BorderLayout.SOUTH); panel.add(button, BorderLayout.NORTH); panel.add(button2, BorderLayout.CENTER); try robot = new Robot(); catch (AWTException e) e.printStackTrace(); / bi = robot.createScreenCapture(rectangle); original = bi; this.setSize(frameWidth, frameHeight); this.setUndecorated(true); this.addMouseListener(this); this.addMouseMotionListener(this); this.add(panel, BorderLayout.EAST); this.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR); this.setVisible(true); this.repaint(); public static void main(String args) new AWTpicture(); public void paint(Graphics g) this.drawR(g); / public void update(Graphics g) if (bis = null) bis = this.createImage(frameWidth, frameHeight); Graphics ga = bis.getGraphics(); Color c = ga.getColor(); ga.setColor(Color.black); ga.fillRect(0, 0, frameWidth, frameHeight); ga.setColor(c); paint(ga); g.drawImage(bis, 0, 0, frameWidth, frameHeight, null); public void mouseClicked(MouseEvent e) public void mouseEntered(MouseEvent e) / TODO Auto-generated method stub public void mouseExited(MouseEvent e) / TODO Auto-generated method stub public void mousePressed(MouseEvent e) / TODO Auto-generated method stub public void mouseReleased(MouseEvent e) if (!drawHasFinish) if (point1.x point2.x & point1.y point2.x & point1.y point2.y) firstPointx = point2.x; firstPointy = point1.y; if (point1.x point2.y) firstPointx = point1.x; firstPointy = point2.y; if (point1.x point2.x & point1.y point2.y) firstPointx = point2.x; firstPointy = point2.y; changeFirstPointX = firstPointx; changeFirstPointY = firstPointy; if (point1 != null & point2 != null) rectangleCursorUp = new Rectangle(firstPointx + 20, firstPointy - 10, width - 40, 20); rectangleCursorDown = new Rectangle(firstPointx + 20, firstPointy + height - 10, width - 40, 20); rectangleCursorLeft = new Rectangle(firstPointx - 10, firstPointy + 10, 20, height - 20); rectangleCursorRight = new Rectangle(firstPointx + width - 10, firstPointy + 10, 20, height - 20); rectangleCursorLU = new Rectangle(firstPointx - 10, firstPointy - 10, 30, 20); rectangleCursorLD = new Rectangle(firstPointx - 10, firstPointy + height - 10, 30, 20); rectangleCursorRU = new Rectangle(firstPointx + width - 10, firstPointy - 10, 20, 20); rectangleCursorRD = new Rectangle(firstPointx + width - 10, firstPointy + height - 10, 20, 20); drawHasFinish = true; / if (drawHasFinish) rectangleCursorUp = new Rectangle(changeFirstPointX + 20, changeFirstPointY - 10, changeWidth - 40, 20); rectangleCursorDown = new Rectangle(changeFirstPointX + 20, changeFirstPointY + changeHeight - 10, changeWidth - 40, 20); rectangleCursorLeft = new Rectangle(changeFirstPointX - 10, changeFirstPointY + 10, 20, changeHeight - 20); rectangleCursorRight = new Rectangle(changeFirstPointX + changeWidth - 10, changeFirstPointY + 10, 20, changeHeight - 20); rectangleCursorLU = new Rectangle(changeFirstPointX - 2, changeFirstPointY - 2, 10, 10); rectangleCursorLD = new Rectangle(changeFirstPointX - 2, changeFirstPointY + changeHeight - 2, 10, 10); rectangleCursorRU = new Rectangle(changeFirstPointX + changeWidth - 2, changeFirstPointY - 2, 10, 10); rectangleCursorRD = new Rectangle(changeFirstPointX + changeWidth - 2, changeFirstPointY + changeHeight - 2, 10, 10); public void mouseDragged(MouseEvent e) point2 = e.getPoint(); / if(!drawHasFinish) this.repaint(); / / if (change) if (changeUP) changeHeight = changeHeight + changeFirstPointY - e.getPoint().y; changeFirstPointY = e.getPoint().y; if (changeDOWN) changeHeight = e.getPoint().y - changeFirstPointY; if (changeLEFT) changeWidth = changeWidth + changeFirstPointX - e.getPoint().x; changeFirstPointX = e.getPoint().x; if (changeRIGHT) changeWidth = e.getPoint().x - changeFirstPointX; if (changeLU) changeWidth = changeWidth + changeFirstPointX - e.getPoint().x; changeHeight = changeHeight + changeFirstPointY - e.getPoint().y; changeFirstPointX = e.getPoint().x; changeFirstPointY = e.getPoint().y; if (changeLD) changeWidth = changeWidth + changeFirstPointX - e.getPoint().x; changeHeight = e.getPoint().y - changeFirstPointY; changeFirstPointX = e.getPoint().x; if (changeRU) changeWidth = e.getPoint().x - changeFirstPointX; changeHeight = changeHeight + changeFirstPointY - e.getPoint().y; changeFirstPointY = e.getPoint().y; if (changeRD) changeWidth = e.getPoint().x - changeFirstPointX; changeHeight = e.getPoint().y - changeFirstPointY; this.repaint(); public void mouseMoved(MouseEvent e) point1 = e.getPoint(); / if (rectangleCursorUp != null & rectangleCursorUp.contains(point1) this.setCursor(new Cursor(Cursor.N_RESIZE_CURSOR); change = true; changeUP = true; else if (rectangleCursorDown != null & rectangleCursorDown.contains(point1) this.setCursor(new Cursor(Cursor.S_RESIZE_CURSOR); change = true; changeDOWN = true; else if (rectangleCursorLeft != null & rectangleCursorLeft.contains(point1) this.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR); change = true; changeLEFT = true; else if (rectangleCursorRight != null & rectangleCursorRight.contains(point1) this.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR); change = true; changeRIGHT = true; else if (rectangleCursorLU != null & rectangleCursorLU.contains(point1) this.setCursor(new Cursor(Cursor.NW_RESIZE_CURSOR); change = true; changeLU = true; else if (rectangleCursorLD != null & rectangleCursorLD.contains(point1) this.setCursor(new Cursor(Cursor.SW_RESIZE_CURSOR); change = true; changeLD = true; else if (rectangleCursorRU != null & rectangleCursorRU.contains(point1) this.setCursor(new Cursor(Cursor.NE_RESIZE_CURSOR); change = true; changeRU = true; else if (rectangleCursorRD != null & rectangleCursorRD.contains(point1) this.setCursor(new Cursor(Cursor.SE_RESIZE_CURSOR); change = true; changeRD = true; else this.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR); changeUP = false; changeDOWN = false; changeRIGHT = false; changeLEFT = false; changeRU = false; changeRD = false; changeLU = false; changeLD = false; redraw = false; Override public void actionPerformed(ActionEvent e) System.exit(0); class MyTakePicture implements ActionListener AWTpicture aWTpicture; MyTakePicture(AWTpicture aWTpicture) this.aWTpicture = aWTpicture; / public void actionPerformed(ActionEvent e) fileDialog.setVisible(true); if (changeWidth 0) sbi = bi.getSubimage(changeFirstPointX, changeFirstPointY, changeWidth, changeHeight); File file = new File(fileDialog.getDirectory(); file.mkdir(); try ImageIO.write(sbi, jpeg, new File(file, fileDialog .getFile() + .jpg); catch (IOException e1) e1.printStackTrace(); class MyClearPicture implements ActionListener AWTpicture aWTpicture; MyClearPicture(AWTpicture aWTpicture) this.aWTpicture = aWTpicture; public void actionPerformed(ActionEvent e) drawHasFinish = false; change = false; redraw = true; rectangleCursorUp = null; rectangleCursorDown = null; rectangleCursorLeft = null; rectangleCursorRight = null; rectangleCursorRU = null; rectangleCursorRD = null; rectangleCursorLU = null; rectangleCursorLD = null; changeWidth = 0; changeHeight = 0; aWTpicture.repaint(); public void drawR(Graphics g) g.drawImage(bi, 0, 0, frameWidth, frameHeight, null); if (point1 != null & point2 != null & !drawHasFinish & !redraw) int xPoints = point1.x, point2.x, point2.x, point1.x, point1.x ; int yPoints = point1.y, point1.y, point2.y, point2.y, point1.y ; width = (point2.x - point1.x) 0 ? (point2.x - point1.x) : (point1.x - point2.x); height = (point2.y - point1.y) 0 ? (point2.y - point1.y) : (point1.y - point2.y); changeWidth = width; changeHeight = height; Color c = g.getColor(); g.setColor(Color.red); g.drawString(width + * + height, point1.x, point1.y - 5); / /* int i; if() */ if (point1.x point2.x & point1.y point2.x & point1.y point2.y) firstPointx = point2.x; firstPointy = point1.y; if (point1.x point2.y) firstPointx = point1.x; firstPointy = point2.y; if (point1.x point2.x & point1.y point2.y) firstPointx = point2.x; firstPointy = point2.y; g.fillRect(firstPointx - 2, firstPointy - 2, 5, 5); g.fillRect(firstPointx + (width) / 2, firstPointy - 2, 5, 5); g.fillRect(firstPointx + width - 2, firstPointy - 2, 5, 5); g.fillRect(firstPointx + width - 2, firstPointy + height / 2 - 2, 5, 5); g.fillRect(firstPointx + width -