Question

I have stored some images in database, while retrieving them i want to resize it to 177×122. How can i do that in JAVA?
Here is some code that i have used to retrieve image from database, what changes need to be done to get a image of 177×122.

PreparedStatement pstm1 = con.prepareStatement("select * from image");
            ResultSet rs1 = pstm1.executeQuery();
            while(rs1.next()) {
                InputStream fis1;
                FileOutputStream fos;
                String image_id;
                try {
                    fis1 = rs1.getBinaryStream("image");
                    image_id=rs1.getString("image_id");
                    fos = new FileOutputStream(new File("images" + (image_id) + ".jpg"));
                    int c;
                    while ((c = fis1.read()) != -1) {
                        fos.write(c);
                    }
                    fis1.close();
                    fos.close();
                    JOptionPane.showMessageDialog(null, "Image Successfully Retrieved");

                } catch (Exception ex) {
                    System.out.println(ex);
                }
            } 

Answer 1

You can use the AWT provided BufferedImage and Graphics2D classes to resize your images. Source

BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);
Graphics2D g = resizedImage.createGraphics();
g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null);
g.dispose();