WebAug 8, 2014 · You must create the BufferedImage outside the paint function of your component, and then call this paint function with the BufferedImage graphics as parameter. BufferedImage imageBuffer = new BufferedImage (comp.getWidth (), cmp.getHeight (), BufferedImage.TYPE_INT_RGB); cmp.paint … WebNov 20, 2011 · After you create your BufferedImage and retrieve the Graphics object for that image, call the paintComponent method of your main class passing that graphics context. You also are create two GraphDisplay objects but never use either one.
java - Convert a JPanel to an image in a JScrollPane
WebMar 9, 2015 · check my solved problem here: Java PrinterJob, high quality printing ends up with 72 DPI anyway the solution was to draw the image to paintComponent (Graphics g) method for a JPanel and pass this panel to Print utility class, at that class you can easily scale the image/Panel as you want preserving the image high quality, it sounds the same … http://www.java2s.com/example/java/2d-graphics/bufferedimage-to-pixel-matrix.html do your worst for i will do mine
How to resize images in Java
WebApr 13, 2013 · BufferedImage output = new BufferedImage (600, 400, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = output.createGraphics (); g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor (Color.WHITE); g2.fillRect (0, 0, … WebOct 26, 2013 · BufferedImage img = ImageIO.read (new File ("file")); img = img.getSubimage (50, 50, 500, 500); // 500 x 500 This function will give you a new image cropped with the rectangle (x, y, width, height) of your original image you specified. Use the returned image to draw on your component. Tutorial resource: Clipping the Drawing Region WebMay 28, 2013 · A better solution would be to adapt the size of the page to the size of the image. Document doc = new Document (new Rectangle (image.getScaledWidth (), image.getScaledHeight ())); // create a writer, open the document image.setAbsolutePosition (0, 0); doc.add (image); doc.newPage (); If the size of the … doyourworst jkstudios.com