Java Resize An Image. Bufferedimage resizeimage bufferedimage originalimage int targetwidth int targetheight throws ioexception. Thumbnailator will go ahead and read all files regardless of image types as long as the java image io supports the format thumbnailator will process it perform the resizing operation and output the thumbnails as jpeg files while tacking on a thumbnail.
You can use java s imageio or a third party image library such as jdeli to load and save the image. Create a bufferedimage object for the input image by calling the method read file of the imageio class. Otherwise your picture will be distorted.
Let s start by resizing an image using graphics2d.
Graphics2d is the fundamental class for rendering 2 dimensional shapes text and images on the java platform. Bufferedimage resizeimage bufferedimage originalimage int targetwidth int targetheight throws ioexception. To the beginning of the file name. Make sure that the label width and height are the same proportions as the original image width and height.