Java swing实现框选截图小工具java截图框选仿wx

import captureScreen.filter.BMPfilter; import captureScreen.filter.GIFfilter; import captureScreen.filter.JPGfilter; import captureScreen.filter.PNGfilter; import org.apache.commons.lang.StringUtils; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.Transferable; import java.awt.datatransfer.UnsupportedFlavorException; import java.awt.event.*; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.*; import java.util.List; import java.util.concurrent.atomic.AtomicReference; /** * * 截图工具 * 2022年12月5日18点48分* * * @author hawk* */ public class MyScreenshotx { private JPanel beijing; private JPanel right, top, left, bottom;// 上下左右面板 private JPanel controlPanel; private JButton doCopyButton, doSaveButton, closeButton, ctrlZButton;// 截图操作按钮 private JRadioButton mindian, defaultdian, maxdian;// 字体线条粗细单选框 private JRadioButton ashkuang, bluekuang, greenkuang, redkuang, whitekuang, yellowkuang; // 颜色单选框 private JButton boxButton, circleButton, brushButton, textButton;// 形状画图按钮 private ButtonGroup groupsize, groupcolor;// 单选按钮组 private int startX, startY, endX, endY;// 框选移动位置 private int startXTemp, startYTemp, endXTemp, endYTemp;// 临时存储移动位置 private int smoveX, smoveY, emoveX, emoveY;// 移动的位置 private int boxStartX, boxStartY, boxEndX, boxEndY; // 画笔画框的大小 private boolean topMove = false, leftMove = false; private boolean move = false; private Dimension screenSize; private BufferedImage bufImage; private boolean isShowTip = true;//是否显示提示.如果鼠标左键一按,则提示就不再显示了 private int isShowTipCount = 0;// 显示提示计数 private Point showTipPoint = new Point(); private boolean isbBox = false, isCircle = false, isBrush = false, isText = false, isCtrlZ = false; private JPanel frameSelection; private int mouseEvent = 0; private List<List<Object>> boxArr = new ArrayList<>();// 保存矩形数组 private List<List<Object>> circleArr = new ArrayList<>();// 保存圆形数组 private List<BrushLine> brushArr = new ArrayList<>(); // 保存画笔画形 private List<Map<String, Object>> textArr = new ArrayList<>(); // 保存画笔画形 private List<Point> brush = null; // 当前画笔画形 private List<Object> ctrlZList = new ArrayList<>(); boolean[] clickedMoveStatus = {false, false, false, false};// 按下/移动/抬起/点击 private int[] frameSelectionArea = {0, 0}; // 选择框的面积0w 1h private String paintbrush = ""; private GridBagLayout gridBagLayout = new GridBagLayout(); private GridBagConstraints gridBagConstraints = new GridBagConstraints(); private JPanel toptext, lefttext, righttext, buttomtext; private static int width = 800; private static int height = 500; public MyScreenshotx(JFrame jFrame) { addButtonGroup(); // 获取屏幕尺寸 screenSize = Toolkit.getDefaultToolkit().getScreenSize(); width = screenSize.width; height = screenSize.height; // 创建需要截取的矩形区域 Rectangle rect = new Rectangle(0, 0, screenSize.width, screenSize.height); try { bufImage = new Robot().createScreenCapture(rect);// 截屏操作 } catch (AWTException e) { e.printStackTrace(); } beijing.add(createSelectionPanel(jFrame)); boxButton.addActionListener(e -> { restoreReleasedDragged(); isbBox = true; paintbrush = "box"; controlPanel.setSize(new Dimension(controlPanel.getWidth(), 80)); ctrlZButton.setEnabled(true); ctrlZButton.requestFocus(true); }); circleButton.addActionListener(e -> { restoreReleasedDragged(); isCircle = true; paintbrush = "circle"; controlPanel.setSize(new Dimension(controlPanel.getWidth(), 80)); ctrlZButton.setEnabled(true); ctrlZButton.requestFocus(true); }); brushButton.addActionListener(e -> { restoreReleasedDragged(); isBrush = true; paintbrush = "brush"; controlPanel.setSize(new Dimension(controlPanel.getWidth(), 80)); ctrlZButton.setEnabled(true); ctrlZButton.requestFocus(true); }); textButton.addActionListener(e -> { restoreReleasedDragged(); isText = true; paintbrush = "text"; controlPanel.setSize(new Dimension(controlPanel.getWidth(), 80)); ctrlZButton.setEnabled(true); ctrlZButton.requestFocus(true); }); ctrlZButton.addActionListener(e -> ctrlZClear()); closeButton.addActionListener(e -> jFrame.dispose()); doSaveButton.addActionListener(e -> doSaveBufImage(jFrame)); doCopyButton.addActionListener(e -> doCopyBufImage(jFrame)); } // 判断画笔状态 public boolean isPaintComponent() { return isCtrlZ || isText || isBrush || isCircle || isbBox; } // 判断画笔状态 public boolean isReleasedDragged() { return !isbBox && !isCircle && !isBrush && !isText; } // 还原画笔状态 public void restoreReleasedDragged() { isText = false; isBrush = false; isCircle = false; isbBox = false; } /** * 框选选中面板* * * @param jFrame * @return */ public JPanel createSelectionPanel(JFrame jFrame) { // 创建选择帧 frameSelection = new JPanel() { @Override protected void paintComponent(Graphics g) { // System.out.println("正在绘画....paintComponent = " + (clickedMoveStatus[0] && clickedMoveStatus[1] || isPaintComponent())); if (clickedMoveStatus[0] && clickedMoveStatus[1] || isPaintComponent()) { g.setColor(Color.green); for (int i = 0; i < 2; i++) { g.drawLine(startX, startY - i, endX, startY - i); g.drawLine(startX, endY - i, endX, endY - i); g.drawLine(startX + i, startY, startX + i, endY); g.drawLine(endX - i, startY, endX - i, endY); } g.fillRect(startX - 5, startY - 5, 10, 10); // 上线的 起点描点 g.fillRect((startX + endX) / 2 - 5, startY - 5, 10, 10); // 上线的 中间描点 g.fillRect(endX - 5, startY - 5, 10, 10); // 上线的 终点描点 g.fillRect(startX - 5, endY - 5, 10, 10); // 下线的 起点描点 g.fillRect((startX + endX) / 2 - 5, endY - 5, 10, 10); // 下线的 中间描点 g.fillRect(endX - 5, endY - 5, 10, 10); // 下线的 终点描点 g.fillRect(startX - 5, (startY + endY) / 2 - 5, 10, 10); // 右线的 中间描点 g.fillRect(endX - 5, (startY + endY) / 2 - 5, 10, 10); // 左线的 中间描点 boxWrite(g); // 画出存量图形 Integer lineSize; if (paintbrush.equals("box")) { // System.out.println("box画笔 boxStartX = " + boxStartX + ", boxStartY = " + boxStartY + ", boxEndX = " + boxEndX + ", boxEndY = " + boxEndY); g.setColor(Color.decode(groupcolor.getSelection().getA