imageicon

问题 We have some very large jpgs which are used when print on A0 printers. The problem is that we need to convert this large image down to a thumbnail for use in a few java UIs. Is there any way to convert the image (with Java) without loading the whole image into memory? Currently we get out of memory exceptions when we try to load the images. Is there anything in the standard code or is my best bet to use jmagick? A pure java implementation would be best for our deployment. Thanks 回答1: I

问题 I have got a ImageIcon in a Jlabel in a JFrame (Java GUI). The ImageIcon should get updated based on pressing a Calculate button (i.e. calcButton.addActionListener(new ActionListener() ) with part of the code in the method: icon2 = new ImageIcon("M:\\Repos\\rtrans\\radTransPlot.png"); Plot1.setIcon(icon2); frame.add(Plot1,gc); frame.setVisible(true); The initial ImageIcon (icon1) is blank: public class RadTransGui { private ImageIcon icon1 = new ImageIcon("M:\\Repos\\rtrans\\radTransPlotEmpty

问题 I have been given an assignment in which i need to a use JCheckBoxMenuItem and add an image to it on the right side I've used the setIcon() method. Created a custom panel and added image to it and then adding the panel to checkbox. Tried to add panel like below. JCheckBoxMenuItem item = new JCheckBoxMenuItem(); item.setText("Option1"); JPanel panel = new JPanel(new FlowLayout(FlowLayout.RIGHT)); JLabel label = new JLabel(new ImageIcon( "C:\\Users\\abcd\\Desktop\\facebook.jpg")); panel.add

问题 I have png icons and use them as icons in JButton / JLabel . The problem is that the image displayed at runtime is larger than the original icon, and because of this resizing, it's super ugly. Here is an example: Original icon (left) and how it's rendered in the JButton (right) The source code for this minimal example is simply: public class Main { public static void main(String... args) { JFrame frame = new JFrame("Test"); frame.setBounds(0, 0, 120, 80); frame.setDefaultCloseOperation(JFrame

来源： https://stackoverflow.com/questions/22928116/how-to-set-image-on-jlabel-from-project-folder

问题 my very first question: I've been trying to figure this out for a couple of days, but I got to the point I lost my patience. The following are some code and my project structure. QUESTION: how can I get getResources() to work in eclipse and after being imported to jar? Thanks for the help. public enum Icons { XXX("src/resoruces/icons/xyz.png"); private ImageIcon icon; Icons(String path) { try { // will fail miserably in eclipse and after exporting to jar URL imageURL = getClass()

问题 my very first question: I've been trying to figure this out for a couple of days, but I got to the point I lost my patience. The following are some code and my project structure. QUESTION: how can I get getResources() to work in eclipse and after being imported to jar? Thanks for the help. public enum Icons { XXX("src/resoruces/icons/xyz.png"); private ImageIcon icon; Icons(String path) { try { // will fail miserably in eclipse and after exporting to jar URL imageURL = getClass()

问题 my very first question: I've been trying to figure this out for a couple of days, but I got to the point I lost my patience. The following are some code and my project structure. QUESTION: how can I get getResources() to work in eclipse and after being imported to jar? Thanks for the help. public enum Icons { XXX("src/resoruces/icons/xyz.png"); private ImageIcon icon; Icons(String path) { try { // will fail miserably in eclipse and after exporting to jar URL imageURL = getClass()

问题 I have a JFrame in which I want to occupy it entirely with a JPanel and put a background image in the JPanel . Code: public class InicioSesion extends javax.swing.JFrame{ private Image imagenFondo; private URL fondo; public InicioSesion(){ initComponents(); try{ fondo = this.getClass().getResource("fondo.jpg"); imagenFondo = ImageIO.read(fondo); }catch(IOException ex){ ex.printStackTrace(); System.out.print("Image dont load"); //Dont load the message. } Container c = getContentPane(); c.add

问题 I have a JFrame in which I want to occupy it entirely with a JPanel and put a background image in the JPanel . Code: public class InicioSesion extends javax.swing.JFrame{ private Image imagenFondo; private URL fondo; public InicioSesion(){ initComponents(); try{ fondo = this.getClass().getResource("fondo.jpg"); imagenFondo = ImageIO.read(fondo); }catch(IOException ex){ ex.printStackTrace(); System.out.print("Image dont load"); //Dont load the message. } Container c = getContentPane(); c.add