鍍金池/ 教程/ Java/ Swing ImageIcon
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Swing ImageIcon

ImageIcon類是一個(gè)實(shí)現(xiàn)從圖像繪制圖標(biāo)的圖標(biāo)界面。

類聲明

以下是聲明 javax.swing.ImageIcon類:

public class ImageIcon
   extends Object
      implements Icon, Serializable, Accessible

字段域

以是javax.swing.ImageIcon類的字段:

  • protected static Component component

  • protected static MediaTracker tracker

類構(gòu)造函數(shù)

S.N. 構(gòu)造函數(shù) & 描述
1 ImageIcon() 
Creates an uninitialized image icon.
2 ImageIcon(byte[] imageData) 
Creates an ImageIcon from an array of bytes which were read from an image file containing a supported image format, such as GIF, JPEG, or (as of 1.3) PNG.
3 ImageIcon(byte[] imageData, String description) 
Creates an ImageIcon from an array of bytes which were read from an image file containing a supported image format, such as GIF, JPEG, or (as of 1.3) PNG.
4 ImageIcon(Image image) 
Creates an ImageIcon from an image object.
5 ImageIcon(Image image, String description) 
Creates an ImageIcon from the image.
6 ImageIcon(String filename) 
Creates an ImageIcon from the specified file.
7 ImageIcon(String filename, String description) 
Creates an ImageIcon from the specified file.
8 ImageIcon(URL location) 
Creates an ImageIcon from the specified URL.
9 ImageIcon(URL location, String description) 
Creates an ImageIcon from the specified URL.

類方法

S.N. 方法 & 描述
1 AccessibleContext getAccessibleContext() 
Gets the AccessibleContext associated with this ImageIcon.
2 String getDescription() 
Gets the description of the image.
3 int getIconHeight() 
Gets the height of the icon.
4 int getIconWidth() 
Gets the width of the icon.
5 Image getImage() 
Returns this icon's Image.
6 int getImageLoadStatus() 
Returns the status of the image loading operation.
7 ImageObserver getImageObserver() 
Returns the image observer for the image.
8 protected void loadImage(Image image) 
Loads the image, returning only when the image is loaded.
9 void paintIcon(Component c, Graphics g, int x, int y) 
Paints the icon.
10 void setDescription(String description) 
Sets the description of the image.
11 void setImage(Image image) 
Sets the image displayed by this icon.
12 void setImageObserver(ImageObserver observer) 
Sets the image observer for the image.
13 String toString() 
Returns a string representation of this image.

方法繼承

這個(gè)類從以下類繼承的方法:

  • java.lang.Object

ImageIcon 例子

選擇使用任何編輯器創(chuàng)建以下java程序在 D:/ > SWING > com > yiibai > gui >

SwingControlDemo.java
package com.yiibai.gui;
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
 
public class SwingControlDemo {
    
   private JFrame mainFrame;
   private JLabel headerLabel;
   private JLabel statusLabel;
   private JPanel controlPanel;

   public SwingControlDemo(){
      prepareGUI();
   }

   public static void main(String[] args){
      SwingControlDemo  swingControlDemo = new SwingControlDemo();      
      swingControlDemo.showImageIconDemo();
   }

   private void prepareGUI(){
      mainFrame = new JFrame("Java Swing Examples");
      mainFrame.setSize(400,400);
      mainFrame.setLayout(new GridLayout(3, 1));
      mainFrame.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent windowEvent){
            System.exit(0);
         }        
      });    
      headerLabel = new JLabel("", JLabel.CENTER);        
      statusLabel = new JLabel("",JLabel.CENTER);    

      statusLabel.setSize(350,100);

      controlPanel = new JPanel();
      controlPanel.setLayout(new FlowLayout());

      mainFrame.add(headerLabel);
      mainFrame.add(controlPanel);
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