Jlabel set icon how to#
Jlabel set icon code#

Method and add all my components to a grid layout and add ActionLister's to my convert buttons. Public class Mone圜onverter extends JFrame implements ActionListener I am currently plying around with an ActionListener and trying different variations of setIcon/setIconImage (every itteration I can think of seeing that nothing has worked thus far). Attempting to set JLabel icon to image directory, null pointer exception instead 18:51:25 4 1516 java / eclipse / nullpointerexception / icons / imageicon. I have a button bellow this that I want to use to change that icon to a dollar one. I have a JLabel at the top with an icon of a euro to indicate the starting currency. The whole purpose is just to experiment and learn this cool tool, java. If (scaledDimension.I'm making a simple conversion tool to convert dollars to euro's and vice versa. A JLabel object can display either text, an image, or both. ImageIcon icon new ImageIcon (Objects.requireNonNull (getClass ().getResource ('icon.jpg'))) JPanel banner new JPanel () tBounds (0, 0, 400, 30) tLayout (new BorderLayout ()) tBackground (Color. Center the scaled image into the BufferedImage scaledAndCenteredImage = new (_width, _height, .TRANSLUCENT) ĭimension scaledDimension = getScaledDimension( new Dimension(_icon.getImage().getWidth(null), _icon.getImage().getHeight(null)), new Dimension(_width, _height)) Rescale the image such that it maintains its aspect ratio but fits within the IconLabel size Public IconLabel(Image image, int width, int height) Public IconLabel(ImageIcon icon, int width, int height)

Jlabel set icon how to#

In this JLabel-extending class, the real tricks are to override getPreferredSize and the paintComponent methods, where I do the image resizing. Java: how to add image to Jlabel Image imageGenerateImage.toImage(true) //this generates an image file ImageIcon icon new ImageIcon(image) JLabel thumb. The getScaledDimension is taken from that URL, and it does a better job of explaining how it resizes an image and maintains its aspect ratio. That way, you can pre-determine how big of a space you want your image to take without compromising its aspect ratio. Apart from the above mentioned basic constructors. JLabel (String Text): This instance creates a label with a specific text while declaring our constructor. The icon or image file can be used from your own file system. How To Resize Images To Fit Jlabel - Scale Imageicon Automatically To Jlabel Size Maurice Muteti 4.82K subscribers Subscribe 35K views 3 years ago How To Resize Images To Fit Jlabel - Scale. For added bonus (and for satisfying my OCD), I have pieced together some logic that also scales the image to within a certain size, maintaining its aspect ratio (i.e., I used ). JLabel (Icon Image): This constructor creates a label with only a specified icon or image. You may not need the whole IconLabel class, but it does implement the resize technique mentioned above. In the project I am working on, I have been using a modified JLabel to use a resized icon. In this situation, it looks like you do actually need a resized image. JSlider Change image brightness using JSlider.

All of the posts I have read elsewhere recommend using the BufferedImage/Graphics.drawImage approach. How to change image of a JLabel in another thread 07:41:39 1 718 java / image / swing / jlabel / thread-sleep. Now recreate the IconImage with the new buffered image:

Jlabel set icon code#

(The code above may be incorrect - check the docs) Create JLabel with ImageIcon and text - Examples Java Code Geeks - 2023 In this tutorial we are going to learn how to create a JLabel with ImageIcon and text in it. G.drawImage(img, 0, 0, WIDTH, HEIGHT, null) Then blit the icon image to the buffered image, and resize it as you do so: Now create a buffered image the same size as the image:īufferedImage bi = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB) Then use getImage() to grab the image from the ImageIcon:

More than Java 400 questions with detailed answers. tLayout (Showing top 20 results out of 315) javax. Make sure the reference you create is an ImageIcon reference. Create JLabel With Image Icon and Text Example Java Examples - Java Program Sample Source Code JLabel Create JLabel With Image Icon and Text Example JAdd Comment 1 Min Read Want to learn quickly Try one of the many quizzes. java code examples Tabnine tLayout How to use setLayout method in Best Java code snippets using javax.swing. ImageIcon icon = new ImageIcon('whatever.jpg') You load your image straight into the ImageIcon using the constructor that takes a file name as an argument like:

Daniel Searson wrote:Ok, here's one way of doing it.