java - How to add an image to a JPanel? - Stack Overflow
If you prefer brewing a generic Swing component which can show your image, then it is the same story (you may use a JComponent and override its paintComponent method) - and then add this to your layout of GUI components. 4) How to convert the array to a Bufferedimage. Converting your byte arrays to PNG, then loading it is quite resource intensive.
java - Show .png image in a JFrame? - Stack Overflow
Jun 20, 2020 · main needs to be static, and must have an argument of String[], not String. To fix this stick everything in a constructor, such as
Saving a Java 2d graphics image as .png file - Stack Overflow
Nov 20, 2011 · Graphics2D graph = buffGraph.createGraphics(); //now tell your main class to draw the image onto the BufferedImage. graphImg.paintComponent(graph); At this point your BufferedImage should now have the same drawing that your panel had and you should be able to save the contents.
swing - Resizing image in Java - Stack Overflow
May 21, 2019 · If you have an java.awt.Image, resizing it doesn't require any additional libraries. Just do: Image newImage = yourImage.getScaledInstance(newWidth, newHeight, Image.SCALE_DEFAULT); Obviously, replace newWidth and newHeight with the dimensions of the specified image. Notice the last parameter: it tells the runtime the algorithm you want to …
image - Java swing high quality PNG - Stack Overflow
Jun 22, 2020 · What you need to do is create the BufferedImage larger that the component (i.e. 3 times for 3 times the current resolution) and the scale the Graphics object of the BufferedImage. The resulting code would look something like this: Component comp = ... BufferedImage img = scaledImageFromComponent(comp, 3);
java - How to set transparent png to JButton? - Stack Overflow
Jul 27, 2012 · 1. To create a JButton with a transparent PNG, I use : JButton jButton1 = new JButton(new ImageIcon(ImageIO.read(new File("yourImage.png") To create a JButton with a scaled transparent PNG, I use : ImageIcon image = new ImageIcon("yourImage.png") JButton jButton1 = new JButton(new ImageIcon(getScaledImage(icon.getImage(), 32, 32)));
Bad PNG rendering (low color depth) in Java Swing
Jan 21, 2013 · I'm currently designing Pac Man in java using swing. I have PNG images that are drawn on screen using the following statement. wall = new ImageIcon(GamePanel.class.getResource("wall.png")).getImage(); g2d.drawImage(wall, x, y, this); The problem I'm having is that it seems to render a very low colour depth rendition of the …
java - Exporting a JPanel to an image - Stack Overflow
Jul 17, 2013 · So I've been trying to export an image that I've drawn on a JPanel into an image. I've been using this method: BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_I...
Displaying an animated PNG (apng) using Swing? - Stack Overflow
Mar 13, 2013 · 14. I'm trying to display an animated png (known as apng), by adding the image to a JLabel as usual. This works fine with normal gif -animations, however, I'd prefer to be able to support apng aswell. I've been searching the net for existing frameworks or solutions for this, finding nothing. Has anyone else found a way to display animated pngs ...
How to set an image as a background for Frame in Swing GUI of …
Sep 23, 2009 · This is easily done by replacing the frame's content pane with a JPanel which draws your image: final Image backgroundImage = javax.imageio.ImageIO.read(new File(...)); setContentPane(new JPanel(new BorderLayout()) {. @Override public void paintComponent(Graphics g) {. g.drawImage(backgroundImage, 0, 0, null); });