jlabel

问题 So I just want to set a buffered image into a single background color is there a way to do this? 回答1: Do you mean fill a BufferedImage with a background color? If so, here is an example on how to perform this: import java.awt.Color; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.SwingUtilities; public class TestBufferedImage { private BufferedImage buffer; protected

问题 waw...!! I actually have my JLabel variable named as jll_img And I already set an icon into it. My purpose is to rotate this jlabel that i put icon into it. I test it out by making a single BUtton, and then when the button is clicked, it will do rotating by a thread. A single anonymous thread that will do loop from 0 degree into 360 degree. Here `// my button actions new Thread() { private boolean doRotating = true; private double norm = 0.0; private double numbs = 0.0; private double

问题 I m trying to make an array of labels. Each label has a differented value which come out of a function. I don't know the exact number of labels to be used. I mean there could be any number of values to be printed. Please help me do this. 回答1: easy just have one method return an array or some collection of JLabels and add all of them to your JComponent (e.g. a JPanel) class MyPanel extends JPanel{ public MyPanel(){ super(); showGUI(); } private JLabel[] createLabels(){ JLabel[] labels=new

问题 I am trying to extend the StyledEditorKit in Swing to be able to include a JLabel inside the editor. I was able to do that and this is what I got so far. In the image below, the highlighted text button is of type JLabel whereas the rest of the text is normal text. As you can see the label renders a little below than the normal text. How do I align its top with top of the remaining text? Here is the code for the view that is used to create this label element: class ComponentView(Element elem)

问题 Is it possible to overlay a Button over a Label in Swing? For example, if have a JLabel with image and no text, and i want to overlay my button over this JLabel. Label is defined something like: myLabel = new javax.swing.JLabel(new ImageIcon( myPicture )); If not, then any ideas how can i realize this, thank you. EDIT: Actually i read about adding JPanel to a JLabel, when i add a Panel with button layout, it compiles fine but nothing is visible, just the JLabel with image UPDATE: As suggested

问题 Is it possible to overlay a Button over a Label in Swing? For example, if have a JLabel with image and no text, and i want to overlay my button over this JLabel. Label is defined something like: myLabel = new javax.swing.JLabel(new ImageIcon( myPicture )); If not, then any ideas how can i realize this, thank you. EDIT: Actually i read about adding JPanel to a JLabel, when i add a Panel with button layout, it compiles fine but nothing is visible, just the JLabel with image UPDATE: As suggested

问题 Im making an application that lets me perform hashes, at the top I want to have a group of check boxes basically saying the four different hash types I have. When the check boxes are selected I want the labels to appear showing the hashed entered text. I've attached an image to hopefully make it easier to understand what I mean. The reason I'm doing this is so that when the final program is made with almost 10 rows of text boxes and labels it can be reduced only to show the ones that the user

问题 How to set background image in label box with dynamic text. for example: JLabel label = new JLabel(); label.setIcon("/image/image.png"); label.setText("Text1"); This code not working, because The text is not display in in center of image. 回答1: Thats very easy. import javax.swing.*; public class YourFrame extends JFrame { private ImageIcon icon; private JLabel label; public YourFrame(){ icon = new ImageIcon("/image/image.png"); label= new JLabel() { public void paintComponent(Graphics g) { g

问题 After scratching around I found that it's best to implement a custom image component by extending a JLabel. So far that has worked great as I can add multiple "images" (jlabels without the layout breaking. I just have a question that I hope someone can answer for me. I noticed that in order to animate JLabels across the screen I need to setlayout(null); and setbounds of the component and then to animate eventually setlocation(x,y); . Is this a best practice or a terrible way to animate a

问题 I want to align my JLabel to the left. String lText = "<html><b><font color = white face = comic sans ms size = 20>mybook</font></b></html>"; JLabel label = new JLabel(lText); label.setBorder(new EmptyBorder(25,0,25,500)); I tried to do it using EmptyBorder but it isnt aligning properly. I am using FlowLayout 回答1: FlowLayout uses CENTER alignment by default. Try using LEFT alignment for your JLabel JPanel container myJPanel.setLayout(new FlowLayout(FlowLayout.LEFT)); 回答2: You might wish to