Example usage for javax.imageio ImageIO read

List of usage examples for javax.imageio ImageIO read

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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:neembuu.uploader.captcha.ImagePanel.java

public final void update(URL imageFileUrl, HttpContext httpContext) {
    try {//from  ww w. j  a  va 2s  .c  o m
        HttpClient httpClient = NUHttpClient.getHttpClient();
        HttpGet httpGet = new HttpGet(imageFileUrl.toURI());
        HttpResponse httpresponse = httpClient.execute(httpGet, httpContext);
        byte[] imageInByte = EntityUtils.toByteArray(httpresponse.getEntity());
        InputStream in = new ByteArrayInputStream(imageInByte);
        image = ImageIO.read(in);
        //image = ImageIO.read(imageFileUrl);
    } catch (Exception ex) {
        NULogger.getLogger().log(Level.INFO, "ImagePanel exception: {0}", ex.getMessage());
    }
}

From source file:fi.helsinki.opintoni.service.ImageService.java

@SkipLoggingAspect
public BufferedImage inputStreamToBufferedImage(InputStream inputStream) {
    try {//from   w ww  .j  a v a  2  s  .co m
        return ImageIO.read(inputStream);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:modmanager.MainWindow.java

/**
 * Creates new form MainWindow//from   w w  w  . j  a  v a2 s. c  om
 */
public MainWindow() {
    modifications = new ModificationManager();

    initComponents();

    /**
     * Set icon of this app
     */
    try {
        this.setIconImage(ImageIO.read(MainWindow.class.getResourceAsStream("/resources/Icon.png")));
    } catch (IOException ex) {
        Logger.getLogger(MainWindow.class.getName()).log(Level.SEVERE, null, ex);
    }

    registerAsyncActions();
    modifications.initialize();

    /**
     * Enforce selection of skyrim directory
     */
    if (modifications.getSkyrimDirectory() == null) {
        selectSkyrimDirectory(true);
    }

    modificationList.setModel(modifications.getModificationModel());
    modifications.addModificationListener(this);

    /**
     * Make drag and drop
     */
    registerDnD();

    /**
     * make searchable list
     */
    registerSearch();
}

From source file:com.openkm.util.ImageUtils.java

/**
 * crop/* w ww.ja  v  a  2 s.  co m*/
 */
public static byte[] crop(byte[] img, int x, int y, int width, int height) throws RuntimeException {
    log.debug("crop({}, {}, {}, {}, {})", new Object[] { img.length, x, y, width, height });
    ByteArrayInputStream bais = new ByteArrayInputStream(img);
    byte[] imageInByte;

    try {
        BufferedImage image = ImageIO.read(bais);
        BufferedImage croppedImage = image.getSubimage(x, y, width, height);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(croppedImage, "png", baos);
        baos.flush();
        imageInByte = baos.toByteArray();
        IOUtils.closeQuietly(baos);
    } catch (IOException e) {
        log.error(e.getMessage());
        throw new RuntimeException("IOException: " + e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(bais);
    }

    log.debug("crop: {}", imageInByte.length);
    return imageInByte;
}

From source file:task5.Histogram.java

private void getImage() {
    String userDir = System.getProperty("user.home");
    JFileChooser fileChooser = new JFileChooser(userDir + "/Desktop");
    int result = fileChooser.showOpenDialog(null);
    if (result == JFileChooser.APPROVE_OPTION) {
        File selectedFile = fileChooser.getSelectedFile();
        try {//from www  . jav a2  s . c  o  m
            img = ImageIO.read(selectedFile);
            myframe = get_MYIMAGE();
        } catch (IOException ex) {
            Logger.getLogger(MyImage.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}

From source file:view.statistics.RequestStatsAndPrediction.java

/**
 * Creates new form PredictRequests/*from w w  w .jav a2 s. c om*/
 */
public RequestStatsAndPrediction() 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("Request Statistics and Prediction");
    sdcontroller = new SampleDetailsController();
    Calendar calendar = Calendar.getInstance();
    yearChooser.setStartYear(calendar.get(Calendar.YEAR));
    monthChooser.setMonth(calendar.get(calendar.MONTH) + 1);

    int year = yearChooser.getYear();
    int month = monthChooser.getMonth() + 1;

    int currentYear = Calendar.getInstance().get(Calendar.YEAR);
    int currentMonth = Calendar.getInstance().get(Calendar.MONTH) + 1;

    int data[][] = null;

    try {
        data = sdcontroller.getYearlyRequestCountsOf(month);
    } catch (ClassNotFoundException ex) {
        Logger.getLogger(RequestStatsAndPrediction.class.getName()).log(Level.SEVERE, null, ex);
    } catch (SQLException ex) {
        Logger.getLogger(RequestStatsAndPrediction.class.getName()).log(Level.SEVERE, null, ex);
    }

    if (year >= currentYear && month >= currentMonth) {

        try {
            predictText.setText(Predictions.getPredictedRequestsOf(year, month) + "");
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(RequestStatsAndPrediction.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(RequestStatsAndPrediction.class.getName()).log(Level.SEVERE, null, ex);
        }
    } else {
        JOptionPane.showMessageDialog(this,
                "Predictions available only for future months. Only the graph will be drawn", "Error",
                JOptionPane.ERROR_MESSAGE);
        predictText.setText("Invalid input!");
    }

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    if (data != null) {
        for (int i = 0; i < data[0].length; i++) {
            dataset.setValue(data[1][i], "Bla bla bla", data[0][i] + "");
        }
    }

    JFreeChart chart = ChartFactory.createLineChart3D(
            "Yearly Blood Request Count For The Month of " + getMontName(month + ""), "Year", "Request Count",
            dataset, PlotOrientation.VERTICAL, false, true, false);
    chart.setBackgroundPaint(Color.PINK);
    chart.getTitle().setPaint(Color.RED);
    CategoryPlot p = chart.getCategoryPlot();
    p.setRangeGridlinePaint(Color.BLUE);

    ChartPanel panel = new ChartPanel(chart);
    panel.setPreferredSize(new java.awt.Dimension(200, 350));
    chartAreaPanel.setLayout(new GridLayout());
    chartAreaPanel.removeAll();
    chartAreaPanel.revalidate();
    chartAreaPanel.add(panel);
    chartAreaPanel.repaint();

    this.repaint();

}

From source file:javafxqrgenerator.model.GeneratorModel.java

public String getQRDecodedData(File f) {
    try {/* w w w.  j  a va2s.c  o m*/
        BufferedImage image = ImageIO.read(f);
        LuminanceSource source = new BufferedImageLuminanceSource(image);

        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Reader reader = new MultiFormatReader();
        Result result = reader.decode(bitmap);
        return result.getText();
    } catch (IOException | NotFoundException | ChecksumException | FormatException e) {
        System.out.println("Error reading QR: " + e.getMessage());
    }
    return null;
}

From source file:iqq.im.action.GetCaptchaImageAction.java

@Override
protected void onHttpStatusOK(QQHttpResponse response) throws QQException, JSONException {
    try {// ww  w.jav a 2  s . c om
        ByteArrayInputStream in = new ByteArrayInputStream(response.getResponseData());
        notifyActionEvent(QQActionEvent.Type.EVT_OK, ImageIO.read(in));
    } catch (IOException e) {
        notifyActionEvent(QQActionEvent.Type.EVT_ERROR, new QQException(QQErrorCode.UNKNOWN_ERROR, e));
    }
}

From source file:org.openmrs.module.complexdatadb.api.handler.ImageDBHandler.java

/**
 * @see org.openmrs.obs.ComplexObsHandler#saveObs(org.openmrs.Obs)
 *///w w  w .j  a va 2s .c o m
@Override
public Obs saveObs(Obs obs) throws APIException {

    // Get the buffered image from the ComplexData.
    BufferedImage img = null;

    Object data = obs.getComplexData().getData();
    if (data instanceof BufferedImage) {
        img = (BufferedImage) data;
    } else if (data instanceof InputStream) {
        try {
            img = ImageIO.read((InputStream) data);
            if (img == null) {
                throw new IllegalArgumentException("Invalid image file");
            }
        } catch (IOException e) {
            throw new APIException(
                    "Unable to convert complex data to a valid input stream and then read it into a buffered image",
                    e);
        }
    }

    if (img == null) {
        throw new APIException("Cannot save complex obs where obsId=" + obs.getObsId()
                + " because its ComplexData.getData() is null.");
    }

    try {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        String extension = getExtension(obs.getComplexData().getTitle());
        ImageIO.write(img, extension, baos);
        baos.flush();
        byte[] bImage = baos.toByteArray();
        baos.close();

        ComplexDataToDB image = new ComplexDataToDB();

        image.setData(bImage);

        Context.getService(ComplexDataToDBService.class).saveComplexDataToDB(image);

        // Set the Title and URI for the valueComplex
        obs.setValueComplex(extension + " image |" + image.getUuid());

        // Remove the ComlexData from the Obs
        obs.setComplexData(null);

    } catch (IOException ioe) {
        throw new APIException("Trying to write complex obs to the database. ", ioe);
    }

    return obs;
}

From source file:net.sf.mcf2pdf.mcfelements.util.ImageUtil.java

public static BufferedImage readImage(File imageFile) throws IOException {
    int rotation = getImageRotation(imageFile);
    BufferedImage img = ImageIO.read(imageFile);

    if (rotation == 0) {
        return img;
    }//w ww .  j a  va 2s.c o m

    boolean swapXY = rotation != 180;

    BufferedImage rotated = new BufferedImage(swapXY ? img.getHeight() : img.getWidth(),
            swapXY ? img.getWidth() : img.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = rotated.createGraphics();
    g2d.translate((rotated.getWidth() - img.getWidth()) / 2, (rotated.getHeight() - img.getHeight()) / 2);
    g2d.rotate(Math.toRadians(rotation), img.getWidth() / 2, img.getHeight() / 2);

    g2d.drawImage(img, 0, 0, null);
    g2d.dispose();

    return rotated;
}