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我有一個框架,我已經創建了一個12 * 16的網格體系結構(在面板上放置標籤)並在每個網格單元中放置一個圖像。當我嘗試使用getBounds()
和getX()
和getY()
方法獲取每個標籤的原點座標時。它顯示(0,0)
。如何在java中獲得組件的原點座標
我不明白爲什麼它顯示所有標籤(0,0)
。有什麼方法可以訪問組件的原點座標嗎? 這是我的一段代碼。
public static void main(String[] arg){
Toolkit tk = Toolkit.getDefaultToolkit();
int xsize = (int)tk.getScreenSize().getWidth();
int ysize =(int) tk.getScreenSize().getHeight();
String str,str1;
Border border = LineBorder.createGrayLineBorder();
BufferedReader bout;
BufferedImage image= null;
JPanel[] panel;
panel = new JPanel[16];
button = new JLabel[16];
JFrame frame = new JFrame("Image Display");
GridLayout g = new GridLayout();
FileInputStream file;
ResizeFunction a = new ResizeFunction();
try {
file = new FileInputStream("D:\\cache1\\newtask_list.txt");
bout = new BufferedReader(new InputStreamReader(file));
str = bout.readLine();
for(int j=0;j<16;j++){
panel[j] = new JPanel();
panel[j].setLayout(g);
g.setColumns(1);
g.setRows(12);
for(int i=0;i<12;i++){
button[i] = new JLabel();
button[i].setSize(xsize/16, ysize/12);
int x=(int) button[i].getBounds().getX();
int y=(int) button[i].getBounds().getY();
System.out.println("button["+i+"]["+j+"]="+x+","+y);
button[i].setIgnoreRepaint(true);
str= bout.readLine();
str1 = str.substring(0,23);
image = ImageIO.read(new File("D:\\cache1\\newtask\\"+str1));
BufferedImage b = a.resizeImage(image,image.getWidth(),image.getHeight(),button[i].getWidth(),button[i].getHeight());
ImageIcon icon = new ImageIcon(b);
button[i].setIcon(icon);
button[i].setBorder(border);
panel[j].add(button[i]);
}
frame.add(panel[j]);
}
} catch (Exception ex) {
Logger.getLogger(ButtonGrid.class.getName()).log(Level.SEVERE, null, ex);
}
frame.setLayout(new GridLayout());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(false);
frame.setSize(xsize, ysize);
frame.setVisible(false);
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setUndecorated(true);
MouseCursorXYLabel xy = new MouseCursorXYLabel();
xy.displayJFrame(frame);
ButtonGrid panel1 = new ButtonGrid();
}
謝謝,現在我有它。 –