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:com.timothyyip.face.FaceDetector.java

public static BufferedImage getPhysicalFlickrImage(Photo flickrPhoto) throws IOException, ImageReadException {
    String urlString = "http://farm7.static.flickr.com/" + flickrPhoto.getServer() + "/" + flickrPhoto.getId()
            + "_" + flickrPhoto.getSecret() + ".jpg";
    System.out.println(urlString);
    BufferedImage im = null;/*from   w w  w  . j  a v  a2s  .  c  om*/
    try {
        im = ImageIO.read(new URL(urlString));
    } finally {
        return im;
    }
}

From source file:com.neophob.sematrix.core.generator.Image.java

/**
 * load a new file.//  ww  w  . ja  v a 2 s. co m
 *
 * @param filename the filename
 */
public synchronized void loadFile(String filename) {
    if (StringUtils.isBlank(filename)) {
        LOG.log(Level.INFO, "Empty filename provided, call ignored!");
        return;
    }

    //only load if needed
    if (StringUtils.equals(filename, this.filename)) {
        LOG.log(Level.INFO, "new filename does not differ from old: " + filename);
        return;
    }

    try {
        String fileToLoad = fileUtils.getImageDir() + File.separator + filename;

        LOG.log(Level.INFO, "load image " + fileToLoad);
        BufferedImage img = ImageIO.read(new File(fileToLoad));
        if (img == null || img.getHeight() < 2) {
            LOG.log(Level.WARNING, "Invalid image, image height is < 2!");
            return;
        }

        //convert to RGB colorspace
        int w = img.getWidth();
        int h = img.getHeight();
        int[] dataBuffInt = img.getRGB(0, 0, w, h, null, 0, w);

        LOG.log(Level.INFO, "resize to img " + filename + " " + internalBufferXSize + ", " + internalBufferYSize
                + " using " + resize.getName());
        this.internalBuffer = resize.getBuffer(dataBuffInt, internalBufferXSize, internalBufferYSize, w, h);
        this.filename = filename;

        short r, g, b;
        int rgbColor;

        //greyscale it
        for (int i = 0; i < internalBuffer.length; i++) {
            rgbColor = internalBuffer[i];
            r = (short) ((rgbColor >> 16) & 255);
            g = (short) ((rgbColor >> 8) & 255);
            b = (short) (rgbColor & 255);
            int val = (int) (r * 0.3f + g * 0.59f + b * 0.11f);
            internalBuffer[i] = val;
        }

    } catch (Exception e) {
        LOG.log(Level.WARNING, "Failed to load image " + filename, e);
    }
}

From source file:com.l1j5.web.common.utils.ImageUtils.java

public static void getImageThumbnail(BufferedInputStream stream_file, String save, String type, int w) {

    try {/*from  w ww  .jav  a2s. c  om*/
        File file = new File(save);
        BufferedImage bi = ImageIO.read(stream_file);

        int width = bi.getWidth();
        int height = bi.getHeight();

        double ratio = (double) height / width;
        height = (int) (w * ratio);
        if (w < width) {
            width = w;
        }

        BufferedImage bufferIm = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Image atemp = bi.getScaledInstance(width, height, Image.SCALE_AREA_AVERAGING);

        Graphics2D g2 = bufferIm.createGraphics();
        g2.drawImage(atemp, 0, 0, width, height, null);
        ImageIO.write(bufferIm, type, file);
    } catch (Exception e) {
        log.error(e);
    }

}

From source file:com.codenvy.corp.MainPage.java

public void gotoManageViewAndGoToIdeBornDown() throws IOException, InterruptedException {
    driver.get(String.format(mangeViewUrlIDE, agileIdIDE));
    new WebDriverWait(driver, 10).until(ExpectedConditions.visibilityOf(burnDownMAinContainer));
    burnDownNameIDE = new WebDriverWait(driver, 10)
            .until(ExpectedConditions.visibilityOfElementLocated(By.id("ghx-items-trigger"))).getText();
    Thread.sleep(10000);/*from   w  ww.j a v  a2  s  .  c  om*/
    File screen = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
    Point p = burnDownMAinContainer.getLocation();

    int width = burnDownMAinContainer.getSize().getWidth();
    int height = burnDownMAinContainer.getSize().getHeight();

    BufferedImage img = ImageIO.read(screen);

    BufferedImage dest = img.getSubimage(p.getX(), p.getY() - 50, width, height);

    ImageIO.write(dest, "png", screen);
    File file = new File(burnDownNameIDE + ".png");
    FileUtils.copyFile(screen, file);
    addText(file, burnDownNameIDE);
}

From source file:com.nemesis.admin.UploadServlet.java

/**
 * @param request// w w  w. j a  va2s.com
 * @param response
 * @throws javax.servlet.ServletException
 * @throws java.io.IOException
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
 * response)
 *
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    if (request.getParameter("getfile") != null && !request.getParameter("getfile").isEmpty()) {
        File file = getFile(request, request.getParameter("getfile"));
        if (file.exists()) {
            int bytes = 0;
            try (ServletOutputStream op = response.getOutputStream()) {
                response.setContentType(getMimeType(file));
                response.setContentLength((int) file.length());
                response.setHeader("Content-Disposition", "inline; filename=\"" + file.getName() + "\"");

                byte[] bbuf = new byte[1024];
                DataInputStream in = new DataInputStream(new FileInputStream(file));

                while ((in != null) && ((bytes = in.read(bbuf)) != -1)) {
                    op.write(bbuf, 0, bytes);
                }

                in.close();
                op.flush();
            }
        }
    } else if (request.getParameter("delfile") != null && !request.getParameter("delfile").isEmpty()) {
        File file = getFile(request, request.getParameter("delfile"));
        if (file.exists()) {
            file.delete(); // TODO:check and report success
        }
    } else if (request.getParameter("getthumb") != null && !request.getParameter("getthumb").isEmpty()) {
        File file = getFile(request, request.getParameter("getthumb"));
        if (file.exists()) {
            System.out.println(file.getAbsolutePath());
            String mimetype = getMimeType(file);
            if (mimetype.endsWith("png") || mimetype.endsWith("jpeg") || mimetype.endsWith("jpg")
                    || mimetype.endsWith("gif")) {
                BufferedImage im = ImageIO.read(file);
                if (im != null) {
                    int newWidth = 75;
                    if (request.getParameter("w") != null) {
                        try {
                            newWidth = Integer.parseInt(request.getParameter("w"));
                        } catch (Exception e) {
                            //Se mantiene el valor por defecto de 75
                        }
                    }

                    BufferedImage thumb = Scalr.resize(im, newWidth);
                    if (request.getParameter("h") != null) {
                        try {
                            thumb = Scalr.crop(thumb, newWidth, Integer.parseInt(request.getParameter("h")));
                        } catch (IllegalArgumentException | ImagingOpException e) {
                            //Se mantienen las proporciones.
                        }
                    }

                    ByteArrayOutputStream os = new ByteArrayOutputStream();
                    if (mimetype.endsWith("png")) {
                        ImageIO.write(thumb, "PNG", os);
                        response.setContentType("image/png");
                    } else if (mimetype.endsWith("jpeg")) {
                        ImageIO.write(thumb, "jpg", os);
                        response.setContentType("image/jpeg");
                    } else if (mimetype.endsWith("jpg")) {
                        ImageIO.write(thumb, "jpg", os);
                        response.setContentType("image/jpeg");
                    } else {
                        ImageIO.write(thumb, "GIF", os);
                        response.setContentType("image/gif");
                    }
                    try (ServletOutputStream srvos = response.getOutputStream()) {
                        response.setContentLength(os.size());
                        response.setHeader("Content-Disposition",
                                "inline; filename=\"" + file.getName() + "\"");
                        os.writeTo(srvos);
                        srvos.flush();
                    }
                }
            }
        } // TODO: check and report success
    } else {
        PrintWriter writer = response.getWriter();
        writer.write("call POST with multipart form data");
    }
}

From source file:br.prof.salesfilho.oci.service.BodyWomanNudeClassifier.java

public void tClassify() {

    long startTime;
    long endTime;
    double totalTime = 0;

    EuclidianClassifier chestWorker;/*from   ww  w .j  a v a2 s. co  m*/
    EuclidianClassifier buttockWorker;
    EuclidianClassifier genitalWorker;

    ClassificationResult classificationResult;
    ExecutorService executor;

    bodyWomanDescriptorService.openDatabase(new File(this.databaseName));

    BodyPartDescriptor nudeChestDescriptor = bodyWomanDescriptorService
            .findNudeBodyPartDescriptorByName("Chest");
    BodyPartDescriptor notNudeChestDescriptor = bodyWomanDescriptorService
            .findNotNudeBodyPartDescriptorByName("Chest");

    BodyPartDescriptor nudeButtockDescriptor = bodyWomanDescriptorService
            .findNudeBodyPartDescriptorByName("Buttock");
    BodyPartDescriptor notNudeButtockDescriptor = bodyWomanDescriptorService
            .findNotNudeBodyPartDescriptorByName("Buttock");

    BodyPartDescriptor nudeGenitalDescriptor = bodyWomanDescriptorService
            .findNudeBodyPartDescriptorByName("Genital");
    BodyPartDescriptor notNudeGenitalDescriptor = bodyWomanDescriptorService
            .findNotNudeBodyPartDescriptorByName("Genital");

    fileList = OCIUtils.getImageFiles(this.inputDir);

    List<EuclidianClassifier> classifiers = new ArrayList();

    for (String imagePath : fileList) {
        startTime = System.currentTimeMillis();

        try {
            System.out.println(
                    "-------------------------------------------------------------------------------------");
            System.out.println("Classifying image...: ".concat(imagePath));
            System.out.println(
                    "-------------------------------------------------------------------------------------");

            BufferedImage img = ImageIO.read(new File(imagePath));
            ImageProcessor imageProcessor = new ImageProcessor(img);
            imageProcessorService = new ImageProcessorService(imageProcessor);
            List<BufferedImage> partImageList = imageProcessorService.getSubImages(128);

            //Create new thread pool to each image file
            executor = Executors.newFixedThreadPool(10);
            for (BufferedImage subImg : partImageList) {

                chestWorker = new EuclidianClassifier(nudeChestDescriptor, notNudeChestDescriptor, subImg,
                        this.kernelSize);
                chestWorker.setClassificationLevel(this.classificationLevel);
                executor.execute(chestWorker);
                classifiers.add(chestWorker);

                buttockWorker = new EuclidianClassifier(nudeButtockDescriptor, notNudeButtockDescriptor, subImg,
                        this.kernelSize);
                buttockWorker.setClassificationLevel(this.classificationLevel);
                executor.execute(buttockWorker);
                classifiers.add(buttockWorker);

                genitalWorker = new EuclidianClassifier(nudeGenitalDescriptor, notNudeGenitalDescriptor, subImg,
                        this.kernelSize);
                genitalWorker.setClassificationLevel(this.classificationLevel);
                executor.execute(genitalWorker);
                classifiers.add(genitalWorker);
            }
            //Wait finish
            executor.shutdown();
            while (!executor.isTerminated()) {
            }

            classificationResult = printResult(classifiers);
            classificationResult.setFileName(imagePath);

            endTime = System.currentTimeMillis();

            classificationResult.setExecutionTime(endTime - startTime);
            classificationResults.add(classificationResult);

            classifiers.clear();

        } catch (IOException ex) {
            Logger.getLogger(BodyWomanNudeClassifier.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
    System.out.println("--------------------------------------------------------");
    System.out.println("Total time.: " + (totalTime) + " ms.");
    System.out.println("--------------------------------------------------------");
}

From source file:algo.PlotBar.java

/**
 * Creates new form Algorithm/*w w w . j  a v a  2 s.  c o  m*/
 *
 * @throws java.io.IOException
 */
public Algorithm() throws IOException {
    setTitle("Algorithm Simulation");
    initComponents();
    BufferedImage wPic = ImageIO.read(ClassLoader.getSystemResource("algo/res/bubbles.jpg"));
    imageLabel.setIcon(new ImageIcon(wPic));
}

From source file:org.daybreak.coccinella.webmagic.ImageDownloader.java

@Override
public Page download(Request request, Task task) {
    Site site = null;// w ww  .  jav a2s  . c o  m
    if (task != null) {
        site = task.getSite();
    }
    Set<Integer> acceptStatCode;
    String charset = null;
    Map<String, String> headers = null;
    if (site != null) {
        acceptStatCode = site.getAcceptStatCode();
        charset = site.getCharset();
        headers = site.getHeaders();
    } else {
        acceptStatCode = Sets.newHashSet(200);
    }
    logger.info("downloading image " + request.getUrl());
    RequestBuilder requestBuilder;
    if (request instanceof CrawlerRequest) {
        CrawlerRequest crawlerRequest = (CrawlerRequest) request;
        try {
            requestBuilder = RequestBuilder.post().setUri(crawlerRequest.getUrl())
                    .setEntity(crawlerRequest.createEntity());
        } catch (UnsupportedEncodingException ex) {
            logger.warn("The encoding is not supported: " + crawlerRequest.getCrawler().getEncode());
            return null;
        }
    } else {
        requestBuilder = RequestBuilder.get().setUri(request.getUrl());
    }
    if (headers != null) {
        for (Map.Entry<String, String> headerEntry : headers.entrySet()) {
            requestBuilder.addHeader(headerEntry.getKey(), headerEntry.getValue());
        }
    }
    RequestConfig.Builder requestConfigBuilder = RequestConfig.custom()
            .setConnectionRequestTimeout(site.getTimeOut()).setSocketTimeout(site.getTimeOut())
            .setConnectTimeout(site.getTimeOut()).setCookieSpec(CookieSpecs.BEST_MATCH);
    if (site != null && site.getHttpProxy() != null) {
        requestConfigBuilder.setProxy(site.getHttpProxy());
    }
    requestBuilder.setConfig(requestConfigBuilder.build());
    CloseableHttpResponse httpResponse = null;
    try {
        httpResponse = getHttpClient(site).execute(requestBuilder.build());
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (acceptStatCode.contains(statusCode)) {
            ImagePage imagePage = new ImagePage(ImageIO.read(httpResponse.getEntity().getContent()));
            imagePage.setRawText("");
            imagePage.setUrl(new PlainText(request.getUrl()));
            imagePage.setRequest(request);
            imagePage.setStatusCode(httpResponse.getStatusLine().getStatusCode());
            return imagePage;
        } else {
            logger.warn("code error " + statusCode + "\t" + request.getUrl());
            return null;
        }
    } catch (IOException e) {
        logger.warn("download image " + request.getUrl() + " error", e);
        if (site.getCycleRetryTimes() > 0) {
            return addToCycleRetry(request, site);
        }
        return null;
    } finally {
        try {
            if (httpResponse != null) {
                //ensure the connection is released back to pool
                EntityUtils.consume(httpResponse.getEntity());
            }
        } catch (IOException e) {
            logger.warn("close response fail", e);
        }
    }
}

From source file:com.tools.image.IMagicHelper.java

private static int[] getRectangle(String file) throws IOException {
    BufferedImage tmp = ImageIO.read(new File(file));
    return new int[] { tmp.getWidth(), tmp.getHeight() };
}

From source file:net.semanticmetadata.lire.solr.AddImages.java

private static StringBuilder createAddDoc(File image) throws IOException {
    BufferedImage img = ImageIO.read(image);
    StringBuilder result = new StringBuilder(200);
    //        result.append("<add>\n");
    result.append("\t<doc>\n");
    // id and file name ...
    result.append("\t\t<field name=\"id\">");
    result.append(image.getCanonicalPath());
    result.append("</field>\n");
    result.append("\t\t<field name=\"title\">");
    result.append(image.getName());/*from  w  w w. ja va2 s  .c o m*/
    result.append("</field>\n");
    // features:
    getFields(img, result, new ColorLayout(), "cl_hi", "cl_ha");
    getFields(img, result, new EdgeHistogram(), "eh_hi", "eh_ha");
    getFields(img, result, new JCD(), "jc_hi", "jc_ha");
    getFields(img, result, new PHOG(), "ph_hi", "ph_ha");
    getFields(img, result, new OpponentHistogram(), "oh_hi", "oh_ha");
    // close doc ...
    result.append("\t</doc>\n");
    //        result.append("</add>");
    return result;
}