Example usage for javax.imageio ImageIO read

List of usage examples for javax.imageio ImageIO read

  1. HOME
  2. Java
  3. javax
  4. javax.imageio.*
  5. ImageIO
  6. read

Introduction

In this page you can find the example usage for javax.imageio ImageIO read.

Prototype

public static BufferedImage read(ImageInputStream stream) throws IOException

Source Link

Document

Returns a BufferedImage as the result of decoding a supplied ImageInputStream with an ImageReader chosen automatically from among those currently registered.

Usage

From source file:UserInterface.AdministrativeRole.FeedBackJPanel.java

private void backgroundImage(String str) {
    try {//ww w.jav  a2s.c  om
        BufferedImage image1 = ImageIO.read(ManageNetworkJPanel.class.getResource(str));
        image2 = image1.getScaledInstance(1200, 800, Image.SCALE_SMOOTH);
    } catch (IOException ex) {
        Logger.getLogger(SignUpJPanel.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.liusoft.dlog4j.util.ImageUtils.java

/**
 * ?/*from   ww  w  .  j  a  v  a2 s  .c  o  m*/
 * @param orig_img
 * @param obj_filename
 * @param p_width
 * @param p_height
 * @throws IOException
 */
public static String createPreviewImage(InputStream orig_img, String obj_filename, int p_width, int p_height)
        throws IOException {
    String extendName = StringUtils.getFileExtend(obj_filename).toLowerCase();

    FileOutputStream newimage = null;
    InputStream fis = orig_img;
    try {
        if ("gif".equalsIgnoreCase(extendName)) {
            GifImage gifImage = GifDecoder.decode(fis);
            fis.close();
            fis = null;
            GifImage newGif = GifTransformer.resize(gifImage, p_width, p_height, false);
            newimage = new FileOutputStream(obj_filename);
            GifEncoder.encode(newGif, newimage);
        } else {
            BufferedImage orig_portrait = (BufferedImage) ImageIO.read(fis);
            fis.close();
            fis = null;
            // ?JPG?
            BufferedImage bi = new BufferedImage(p_width, p_height, BufferedImage.TYPE_INT_RGB);
            bi.getGraphics().drawImage(orig_portrait, 0, 0, p_width, p_height, null);
            if (!obj_filename.endsWith(".jpg"))
                obj_filename += ".jpg";
            newimage = new FileOutputStream(obj_filename);
            ImageIO.write(bi, "jpg", newimage);
        }
    } finally {
        if (newimage != null)
            newimage.close();
        if (fis != null)
            fis.close();
    }
    return obj_filename;
}

From source file:view.statistics.IssueChart.java

/**
 * Creates new form IssueChart/*from   w w  w  .j a  va  2 s.c om*/
 */
public IssueChart(Dimension d) throws FileNotFoundException, IOException {
    initComponents();
    FileInputStream imgStream = null;
    File imgfile = new File("..\\BBMS\\src\\images\\drop.png");
    imgStream = new FileInputStream(imgfile);
    BufferedImage bi = ImageIO.read(imgStream);
    ImageIcon myImg = new ImageIcon(bi);
    this.setFrameIcon(myImg);
    setTitle("Issue Chart");
    setSize(d);

}

From source file:edworld.pdfreader4humans.PDFReaderTest.java

@Test
public void createPageImageWithStructure() throws IOException {
    File outputFile = new File("target/outputWithStructure.png");
    ImageIO.write(reader.createPageImage(1, 3, Color.WHITE, Color.BLACK, true), "png", outputFile);
    assertImagesAreSimilar(getClass().getResourceAsStream("/testcase1/outputWithStructure.png"),
            ImageIO.read(outputFile));
}

From source file:com.netflix.imfutility.itunes.image.ImageValidator.java

private void ensureReadImage() throws ImageValidationException {
    if (image != null) {
        return;//  w w  w  . j  av a  2s. co  m
    }

    try {
        image = ImageIO.read(file);
        if (image == null) {
            throw new ImageValidationException(
                    String.format("Can't read %s image from file %s", imageType, file.getName()));
        }
    } catch (IOException e) {
        throw new ImageValidationException(
                String.format("Can't read %s image from file %s", imageType, file.getName()), e);
    }
}

From source file:software.uncharted.rest.ImageSearchResource.java

@RequestMapping(value = "/file", method = RequestMethod.POST, consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
public ImageSearchResult searchByFile(@RequestParam("image") final MultipartFile file) throws IOException {
    long start = System.nanoTime();
    String fileType = file.getContentType();
    if (fileType.startsWith("image")) {
        BufferedImage image = ImageIO.read(file.getInputStream());
        Set<Image> images = service.search(image);
        long duration = (System.nanoTime() - start) / 1000000L;
        return new ImageSearchResult().setImages(images).setDuration(duration);

    }/* w w  w.  jav  a  2s .  co  m*/
    return ImageSearchResult.empty();
}

From source file:JumbledImage.java

public JumbledImage(URL imageSrc) {
    try {/*from  w w  w  . j  a  va  2s  .  c om*/
        bi = ImageIO.read(imageSrc);
        w = bi.getWidth(null);
        h = bi.getHeight(null);
    } catch (IOException e) {
        System.out.println("Image could not be read");
        System.exit(1);
    }
    cw = w / numlocs;
    ch = h / numlocs;
    cells = new int[numcells];
    for (int i = 0; i < numcells; i++) {
        cells[i] = i;
    }
}

From source file:app.springapp.ImageConverter.java

public void loadImage(String filepath) {

    try {/*w ww  .  j a v  a 2s.  c  o m*/

        org_image = ImageIO.read(new File(filepath));
    } catch (IOException e) {

        System.out.println("Could not read image! :" + e.getMessage());
    }
}

From source file:mysynopsis.ImageProcess.java

public static BufferedImage toBufferedImage() throws IOException {

    BufferedImage bufferedImage = null;
    try {/*from   ww w  .  j  a  v  a2s  .  c  o m*/
        byte[] byteArray = Base64.decodeBase64(Variables.imgString);

        try (InputStream in = new ByteArrayInputStream(byteArray)) {
            bufferedImage = ImageIO.read(in);
        }

    } catch (IOException iOException) {

        return null;
    }

    return bufferedImage;
}

From source file:com.mycompany.memegenerator.FileUpload.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*  w  ww  . ja v  a 2  s  .c om*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (ServletFileUpload.isMultipartContent(request)) {
        try {
            List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);

            for (FileItem item : multiparts) {
                if (!item.isFormField()) {
                    String name = new File(item.getName()).getName();
                    byte[] byteImage = item.get();
                    uploadImage = ImageIO.read(new ByteArrayInputStream(byteImage));
                    //ImageIO.write(uploadImage, "jpg", new File("C:\\uploads","snap.jpg"));

                    // get session
                    HttpSession session = request.getSession();
                    session.setAttribute("byteImage", byteImage);
                    session.setAttribute("uploadImage", uploadImage);

                }
            }

            //File uploaded successfully
            request.setAttribute("message", "File Uploaded Successfully");
        } catch (Exception ex) {
            request.setAttribute("message", "File Upload Failed due to " + ex);
        }

    } else {
        request.setAttribute("message", "Sorry this Servlet only handles file upload request");
    }

    request.getRequestDispatcher("/index.jsp").forward(request, response);

}