imageicon

问题 I have a three column jtable and want to have the first two columns have an Imageicon and a string right next to it. Currently I am displaying the ImageIcons like DefaultTableModel model = new DefaultTableModel(rows, columns) { @Override public Class<?> getColumnClass(int column) { switch (column) { case 0: case 1: return ImageIcon.class; case 2: return String.class; default: return Object.class; } } }; jTable.setModel(model); I did find this but don't know what goes in ... or how to set the

问题 I am trying to add a icon to a toolbar but what is the best place to put it in? My desktop or should I make a new file in the project file or add all the pictures in because it is not showing and this is my code: JToolBar toolBar = new JToolBar(); String[] iconFiles = {"pen-icon","",""}; String[] buttonLabels = {"New","Open","Save"}; icon = new ImageIcon[iconFiles.length]; Obutton = new JButton[buttonLabels.length]; for (int i = 0; i < buttonLabels.length; ++i) { icon[i] = new ImageIcon

问题 How would I go upon adding JLabel hovering? Like when you move your mouse over top a JLabel a and new image will overlap it. I know how to make it work with buttons, but the same technique will not work for JLabel s. Will anyone guide me towards adding JLabel hovering? Please and thanks. package src; import java.awt.Dimension; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; /* * @Author - 0x29A * * */ public class Jframe { public static void main(final

问题 I have a Problem with some icons and check-boxes in a JPopupMenu . The Check-boxes and Icons are not aligned The Items are created like: JMenuItem deleteAttributeMenuItem = new JMenuItem(locale.getString("TREE_AttrDelete"), iconDelete); JMenuItem primaryKeyAttributeMenuItem = new JCheckBoxMenuItem(locale.getString("TREE_AttrChkBoxPK")); Please take a look at the picture: Any tips? 回答1: Have a look at this, in order to achieve what you wanted, I did this, JCheckBoxMenuItem cbmi = new

问题 I have a Problem with some icons and check-boxes in a JPopupMenu . The Check-boxes and Icons are not aligned The Items are created like: JMenuItem deleteAttributeMenuItem = new JMenuItem(locale.getString("TREE_AttrDelete"), iconDelete); JMenuItem primaryKeyAttributeMenuItem = new JCheckBoxMenuItem(locale.getString("TREE_AttrChkBoxPK")); Please take a look at the picture: Any tips? 回答1: Have a look at this, in order to achieve what you wanted, I did this, JCheckBoxMenuItem cbmi = new

问题 I am following the zetcode Snake java games tutorial and always get this error: ImageIcon iid = new ImageIcon(this.getClass().getResource("ball.png")); ball = iid.getImage(); Exception in thread "main" java.lang.NullPointerException at javax.swing.ImageIcon.<init>(Unknown Source) at snake2.Board.<init>(Board.java:52) at snake2.Snake.<init>(Snake.java:10) at snake2.Snake.main(Snake.java:22) I actually just copied and pasted the code to see how it works. They are in the right packages too; but

问题 I'm trying to access some images in my Java code. The code to call the images is below. public final ImageIcon whitePiece = new ImageIcon(getClass().getResource("Images/whitecircle.PNG")); public final ImageIcon blackPiece = new ImageIcon(getClass().getResource("Images/blackcircle.png")); public final ImageIcon tiePiece = new ImageIcon(getClass().getResource("Images/tiecircle.PNG")); public final ImageIcon boardPic = new ImageIcon(getClass().getResource("Images/gameboard.PNG")); However, this

问题 I'm trying to access some images in my Java code. The code to call the images is below. public final ImageIcon whitePiece = new ImageIcon(getClass().getResource("Images/whitecircle.PNG")); public final ImageIcon blackPiece = new ImageIcon(getClass().getResource("Images/blackcircle.png")); public final ImageIcon tiePiece = new ImageIcon(getClass().getResource("Images/tiecircle.PNG")); public final ImageIcon boardPic = new ImageIcon(getClass().getResource("Images/gameboard.PNG")); However, this

问题 I am trying to load an image from directory and place it as an icon in JLabel . But when the image size is big it doesn't fit completely in the label. I tried resizing the image to fit in the label but its not working. May I know where I am going wrong? JFileChooser choose=new JFileChooser(); choose.showOpenDialog(null); File f=choose.getSelectedFile(); String filename=f.getAbsolutePath(); path.setText(filename); ImageIcon icon=new ImageIcon(filename); Image img=icon.getImage(); BufferedImage

问题 I'm trying to set the icon image for a Jar file: setIconImage(new ImageIcon(getClass().getResource("logo.png")).getImage()); When running in Mac OS X 10.7.4 I get the following error: Jun 28 15:21:40 (my dhcp) java[73383] <Error>: CGContextGetCTM: invalid context 0x0 Jun 28 15:21:40 (my dhcp) java[73383] <Error>: CGContextSetBaseCTM: invalid context 0x0 Jun 28 15:21:40 (my dhcp) java[73383] <Error>: CGContextGetCTM: invalid context 0x0 Jun 28 15:21:40 (my dhcp) java[73383] <Error>: