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.openkm.extractor.BarcodeTextExtractor.java

/**
 * {@inheritDoc}//from www.  j a  v  a  2  s . co m
 */
public Reader extractText(InputStream stream, String type, String encoding) throws IOException {
    try {
        BufferedImage image = ImageIO.read(stream);
        String text = multiple(image);
        return new StringReader(text);
    } catch (Exception e) {
        log.warn("Failed to extract barcode text", e);
        return new StringReader("");
    } finally {
        IOUtils.closeQuietly(stream);
    }
}

From source file:com.github.zhanhb.ckfinder.connector.utils.ImageUtils.java

/**
 * create thumb file./*from  ww  w .  j av  a2s  .  co  m*/
 *
 * @param originFile origin image file.
 * @param file file to save thumb
 * @param thumbnail connector thumbnail properties
 * @return true if success
 * @throws IOException when IO Exception occurs.
 */
public static boolean createThumb(Path originFile, Path file, ThumbnailProperties thumbnail)
        throws IOException {
    log.debug("createThumb");
    BufferedImage image;
    try (InputStream is = Files.newInputStream(originFile)) {
        image = ImageIO.read(is);
    }
    if (image != null) {
        Dimension dimension = createThumbDimension(image, thumbnail.getMaxWidth(), thumbnail.getMaxHeight());
        FileUtils.createPath(file, true);
        if (image.getHeight() <= dimension.height && image.getWidth() <= dimension.width) {
            writeUntouchedImage(originFile, file);
        } else {
            resizeImage(image, dimension.width, dimension.height, thumbnail.getQuality(), file);
        }
        return true;
    } else {
        log.error("Wrong image file");
    }
    return false;
}

From source file:davmail.util.IOUtil.java

/**
 * Resize image bytes to a max width or height image size.
 *
 * @param inputBytes input image bytes//from  w  w  w. j a v  a 2s .c o  m
 * @param max        max size
 * @return scaled image bytes
 * @throws IOException on error
 */
public static byte[] resizeImage(byte[] inputBytes, int max) throws IOException {
    BufferedImage inputImage = ImageIO.read(new ByteArrayInputStream(inputBytes));
    if (inputImage == null) {
        throw new IOException("Unable to decode image data");
    }
    BufferedImage outputImage = resizeImage(inputImage, max);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(outputImage, "jpg", baos);
    return baos.toByteArray();
}

From source file:com.htmlhifive.pitalium.image.model.PersistedScreenshotImageTest.java

private BufferedImage getImage() throws Exception {
    return ImageIO.read(getClass().getResource("ScreenshotImageTest_image.png"));
}

From source file:io.github.jeremgamer.editor.panels.Others.java

public Others(final JFrame frame, final OtherPanel op, final PanelSave ps) {
    this.frame = frame;

    this.setBorder(BorderFactory.createTitledBorder(""));
    JButton add = null;/* www  . java  2 s.c o  m*/
    try {
        add = new JButton(new ImageIcon(ImageIO.read(ImageGetter.class.getResource("add.png"))));
    } catch (IOException e) {
        e.printStackTrace();
    }
    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            try {
                JOptionPane jop = new JOptionPane();
                @SuppressWarnings("static-access")
                String name = jop.showInputDialog((JFrame) SwingUtilities.windowForComponent(otherList),
                        "Nommez le composant :", "Crer un composant", JOptionPane.QUESTION_MESSAGE);

                if (name != null) {
                    for (int i = 0; i < data.getSize(); i++) {
                        if (data.get(i).equals(name)) {
                            name += "1";
                        }
                    }
                    data.addElement(name);
                    new OtherSave(name);
                    ActionPanel.updateLists();
                    PanelsPanel.updateLists();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }

        }

    });

    JButton remove = null;
    try {
        remove = new JButton(new ImageIcon(ImageIO.read(ImageGetter.class.getResource("remove.png"))));
    } catch (IOException e) {
        e.printStackTrace();
    }
    remove.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            try {
                if (otherList.getSelectedValue() != null) {
                    File file = new File("projects/" + Editor.getProjectName() + "/others/"
                            + otherList.getSelectedValue() + ".rbd");
                    JOptionPane jop = new JOptionPane();
                    @SuppressWarnings("static-access")
                    int option = jop.showConfirmDialog((JFrame) SwingUtilities.windowForComponent(otherList),
                            "tes-vous sr de vouloir supprimer ce composant?", "Avertissement",
                            JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);

                    if (option == JOptionPane.OK_OPTION) {
                        File dir = new File("projects/" + Editor.getProjectName() + "/panels");
                        for (File f : FileUtils.listFilesAndDirs(dir, TrueFileFilter.INSTANCE,
                                TrueFileFilter.INSTANCE)) {
                            if (!f.isDirectory()) {
                                try {
                                    ps.load(f);
                                } catch (IOException e) {
                                    e.printStackTrace();
                                }

                                OtherSave os = new OtherSave();
                                try {
                                    os.load(file);
                                } catch (IOException e1) {
                                    e1.printStackTrace();
                                }
                                String type = null;
                                switch (os.getInt("type")) {
                                case 0:
                                    type = "Zone de saisie";
                                    break;
                                case 1:
                                    type = "Zone de saisie de mot de passe";
                                    break;
                                case 2:
                                    type = "Zone de saisie (Grande)";
                                    break;
                                case 3:
                                    type = "Case  cocher";
                                    break;
                                case 4:
                                    type = "Menu droulant";
                                    break;
                                case 5:
                                    type = "Barre de progression";
                                    break;
                                case 6:
                                    type = "Slider";
                                    break;
                                case 7:
                                    type = "Spinner";
                                    break;
                                }
                                for (String section : ps.getSectionsContaining(
                                        otherList.getSelectedValue() + " (" + type + ")")) {
                                    ps.removeSection(section);
                                    try {
                                        ps.save(f);
                                    } catch (IOException e) {
                                        e.printStackTrace();
                                    }
                                }
                            }
                        }
                        if (otherList.getSelectedValue().equals(op.getFileName())) {
                            op.setFileName("");
                        }
                        op.hide();
                        file.delete();
                        data.remove(otherList.getSelectedIndex());
                        ActionPanel.updateLists();
                        OtherPanel.updateLists();
                        PanelsPanel.updateLists();
                    }
                }
            } catch (NullPointerException npe) {
                npe.printStackTrace();
            }

        }

    });

    JPanel buttons = new JPanel();
    buttons.setLayout(new BoxLayout(buttons, BoxLayout.LINE_AXIS));
    buttons.add(add);
    buttons.add(remove);

    updateList();
    otherList.addMouseListener(new MouseAdapter() {
        @SuppressWarnings("unchecked")
        public void mouseClicked(MouseEvent evt) {
            JList<String> list = (JList<String>) evt.getSource();
            if (evt.getClickCount() == 2) {
                int index = list.locationToIndex(evt.getPoint());
                if (isOpen == false) {
                    op.show();
                    op.load(new File("projects/" + Editor.getProjectName() + "/others/"
                            + list.getModel().getElementAt(index) + ".rbd"));
                    previousSelection = list.getSelectedValue();
                    isOpen = true;
                } else {
                    try {
                        if (previousSelection.equals(list.getModel().getElementAt(index))) {
                            op.hide();
                            previousSelection = list.getSelectedValue();
                            list.clearSelection();
                            isOpen = false;
                        } else {
                            op.hideThenShow();
                            previousSelection = list.getSelectedValue();
                            op.load(new File("projects/" + Editor.getProjectName() + "/others/"
                                    + list.getModel().getElementAt(index) + ".rbd"));
                        }
                    } catch (NullPointerException npe) {
                        op.hide();
                        list.clearSelection();
                    }
                }
            } else if (evt.getClickCount() == 3) {
                int index = list.locationToIndex(evt.getPoint());
                if (isOpen == false) {
                    op.show();
                    op.load(new File("projects/" + Editor.getProjectName() + "/others/"
                            + list.getModel().getElementAt(index) + ".rbd"));
                    previousSelection = list.getSelectedValue();
                    isOpen = true;
                } else {
                    try {
                        if (previousSelection.equals(list.getModel().getElementAt(index))) {
                            op.hide();
                            previousSelection = list.getSelectedValue();
                            list.clearSelection();
                            isOpen = false;
                        } else {
                            op.hideThenShow();
                            previousSelection = list.getSelectedValue();
                            op.load(new File("projects/" + Editor.getProjectName() + "/others/"
                                    + list.getModel().getElementAt(index) + ".rbd"));
                        }
                    } catch (NullPointerException npe) {
                        op.hide();
                        list.clearSelection();
                    }
                }
            }
        }
    });
    JScrollPane listPane = new JScrollPane(otherList);
    listPane.getVerticalScrollBar().setUnitIncrement(Editor.SCROLL_SPEED);
    this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
    this.add(buttons);
    this.add(listPane);
    OtherPanel.updateLists();
}

From source file:org.openmrs.module.drawing.web.controller.ManageTemplatesController.java

@RequestMapping(value = "/module/drawing/manageTemplates", method = RequestMethod.POST)
public void manage(@RequestParam(value = "templateName", required = false) String templateName,
        @RequestParam(value = "template", required = true) MultipartFile file, ModelMap model,
        HttpSession session) {//  w w w.  jav a 2  s  . co m

    model.addAttribute("encodedTemplateNames", DrawingUtil.getAllTemplateNames());
    if (file == null || file.getSize() == 0) {
        session.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Please Fill All The Fields");
        return;
    } else if (!DrawingUtil.isImage(file.getOriginalFilename())) {
        session.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "File Format Not Supported");
        return;
    }
    if (StringUtils.isBlank(templateName))
        templateName = file.getOriginalFilename();
    else
        templateName = templateName + "." + DrawingUtil.getExtension(file.getOriginalFilename());

    try {
        BufferedImage bi = ImageIO.read(new ByteArrayInputStream(file.getBytes()));
        Boolean saved = DrawingUtil.saveFile(templateName, bi);
        if (saved) {
            session.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Template Saved");
            model.addAttribute("encodedTemplateNames", DrawingUtil.getAllTemplateNames());

        } else
            session.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Error Saving Template");

    } catch (IOException e) {
        session.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "Unable To Save Uploaded File");
        log.error("Unable to read uploadedFile", e);
    }

}

From source file:com.softenido.cafedark.image.hash.ImageHashBuilder.java

public Hash buildHash(VirtualFile pf) throws FileNotFoundException, IOException, ArchiveException {
    if (pf.length() == 0) {
        return null;
    }//  w w w . ja  v a  2 s  . com
    InputStream in = pool.get(pf);
    try {
        BufferedImage image = ImageIO.read(in);
        if (image != null) {
            return buildHash(image);
        }
        return null;
    } catch (Exception ex) {
        Logger.getLogger(ImageHashBuilder.class.getName()).log(Level.WARNING, pf.toString(), ex);
        return null;
    } finally {
        in.close();
    }
}

From source file:eu.flatworld.worldexplorer.layer.nltl7.NLTL7HTTPProvider.java

@Override
public void run() {
    while (true) {
        while (getQueueSize() != 0) {
            Tile tile = peekTile();/*  w ww . ja  v  a2s  . c  o m*/
            synchronized (tile) {
                String s = String.format(NLTL7Layer.HTTP_BASE, tile.getL(), tile.getX(), tile.getY());
                LogX.log(Level.FINER, s);
                GetMethod gm = new GetMethod(s);
                gm.setRequestHeader("User-Agent", WorldExplorer.USER_AGENT);
                try {
                    int response = client.executeMethod(gm);
                    LogX.log(Level.FINEST, NAME + " " + response + " " + s);
                    if (response == HttpStatus.SC_OK) {
                        InputStream is = gm.getResponseBodyAsStream();
                        BufferedImage bi = ImageIO.read(is);
                        is.close();
                        if (bi != null) {
                            tile.setImage(bi);
                        }
                    }
                } catch (Exception ex) {
                    LogX.log(Level.FINER, "", ex);
                } finally {
                    gm.releaseConnection();
                }
                LogX.log(Level.FINEST, NAME + " dequeueing: " + tile);
                unqueueTile(tile);
            }
            firePropertyChange(P_DATAREADY, null, tile);
            Thread.yield();
        }
        firePropertyChange(P_IDLE, false, true);
        try {
            Thread.sleep(QUEUE_SLEEP_TIME);
        } catch (Exception ex) {
        }
        ;
    }
}

From source file:net.sqs2.omr.result.export.chart.ChartImageWriter.java

private static BufferedImage[] createItemBackgroundImages(File[] itemBackgroundImageFiles) {
    int numItems = itemBackgroundImageFiles.length;
    BufferedImage[] itemBackgroundImages = new BufferedImage[numItems];
    int index = 0;

    for (File itemBackgroundImageFile : itemBackgroundImageFiles) {
        try {/*from w w  w  . j a  v a2 s .c  o  m*/
            itemBackgroundImages[index++] = ImageIO.read(itemBackgroundImageFile);
        } catch (IOException ignore) {
            ignore.printStackTrace();
        }
    }
    return itemBackgroundImages;
}

From source file:edworld.pdfreader4humans.PDFReaderTest.java

private void assertImagesAreSimilar(InputStream expectedOutputStream, BufferedImage outputImage)
        throws IOException {
    try {/* w w w .  ja  v a2s  . co  m*/
        BufferedImage expectedOutputImage = ImageIO.read(expectedOutputStream);
        assertEquals(expectedOutputImage.getType(), outputImage.getType());
        assertEquals(expectedOutputImage.getWidth(), outputImage.getWidth());
        assertEquals(expectedOutputImage.getHeight(), outputImage.getHeight());
        assertEquals(expectedOutputImage.getTransparency(), outputImage.getTransparency());
        for (int k = 0; k < Math.max(outputImage.getWidth(), outputImage.getHeight()); k++) {
            int kX = k % outputImage.getWidth();
            int kY = k % outputImage.getHeight();
            int expectedColor = expectedOutputImage.getRGB(kX, kY);
            int actualColor = outputImage.getRGB(kX, kY);
            if ((expectedColor ^ 0xFFFFFF) == actualColor)
                expectedColor ^= 0xFFFFFF;
            assertEquals("Color should be the same at (" + k + "," + k + ").", expectedColor, actualColor);
        }
    } finally {
        expectedOutputStream.close();
    }
}