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:frankhassanabad.com.github.Jasperize.java

/**
 * Main method to call through Java in order to take a LinkedInProfile on disk and load it.
 *
 * @param args command line arguments where the options are stored
 * @throws FileNotFoundException Thrown if any file its expecting cannot be found.
 * @throws JRException  If there's generic overall Jasper issues.
 * @throws ParseException If there's command line parsing issues.
 *///from w ww.j  a va  2 s  .com
public static void main(String[] args) throws IOException, JRException, ParseException {

    Options options = new Options();
    options.addOption("h", "help", false, "Shows the help documentation");
    options.addOption("v", "version", false, "Shows the help documentation");
    options.addOption("cl", "coverLetter", false, "Utilizes a cover letter defined in coverletter.xml");
    options.addOption("sig", true, "Picture of your signature to add to the cover letter.");
    CommandLineParser parser = new GnuParser();
    CommandLine cmd = parser.parse(options, args);
    if (cmd.hasOption("h")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("Jasperize [OPTIONS] [InputJrxmlFile] [OutputExportFile]", options);
        System.exit(0);
    }
    if (cmd.hasOption("v")) {
        System.out.println("Version:" + version);
        System.exit(0);
    }
    boolean useCoverLetter = cmd.hasOption("cl");
    String signatureLocation = cmd.getOptionValue("sig");
    BufferedImage signatureImage = null;
    if (signatureLocation != null) {
        signatureImage = ImageIO.read(new File(signatureLocation));
        ;
    }

    @SuppressWarnings("unchecked")
    List<String> arguments = cmd.getArgList();

    final String jrxmlFile;
    final String jasperOutput;
    if (arguments.size() == 2) {
        jrxmlFile = arguments.get(0);
        jasperOutput = arguments.get(1);
        System.out.println("*Detected* the command line arguments of:");
        System.out.println("    [InputjrxmlFile] " + jrxmlFile);
        System.out.println("    [OutputExportFile] " + jasperOutput);
    } else if (arguments.size() == 3) {
        jrxmlFile = arguments.get(1);
        jasperOutput = arguments.get(2);
        System.out.println("*Detected* the command line arguments of:");
        System.out.println("    [InputjrxmlFile] " + jrxmlFile);
        System.out.println("    [OutputExportFile] " + jasperOutput);
    } else {
        System.out.println("Using the default arguments of:");
        jrxmlFile = "data/jasperTemplates/resume1.jrxml";
        jasperOutput = "data/jasperOutput/linkedInResume.pdf";
        System.out.println("    [InputjrxmlFile] " + jrxmlFile);
        System.out.println("    [OutputExportFile] " + jasperOutput);
    }

    final String compiledMasterFile;
    final String outputType;
    final String jrPrintFile;
    //Split the inputFile
    final String[] inputSplit = jrxmlFile.split("\\.");
    if (inputSplit.length != 2 || !(inputSplit[1].equalsIgnoreCase("jrxml"))) {
        //Error
        System.out.println("Your [InputjrxmlFile] (1st argument) should have a jrxml extension like such:");
        System.out.println("    data/jasperTemplates/resume1.jrxml");
        System.exit(1);
    }
    //Split the outputFile
    final String[] outputSplit = jasperOutput.split("\\.");
    if (outputSplit.length != 2) {
        //Error
        System.out.println("Your [OutputExportFile] (2nd argument) should have a file extension like such:");
        System.out.println("    data/jasperOutput/linkedInResume.pdf");
        System.exit(1);
    }

    File inputFile = new File(inputSplit[0]);
    String inputFileName = inputFile.getName();
    String inputFileParentPath = inputFile.getParent();

    File outputFile = new File(outputSplit[0]);
    String outputFileParentPath = outputFile.getParent();

    System.out.println("Compiling report(s)");
    compileAllJrxmlTemplateFiles(inputFileParentPath, outputFileParentPath);
    System.out.println("Done compiling report(s)");

    compiledMasterFile = outputFileParentPath + File.separator + inputFileName + ".jasper";
    jrPrintFile = outputFileParentPath + File.separator + inputFileName + ".jrprint";

    System.out.println("Filling report: " + compiledMasterFile);
    Reporting.fill(compiledMasterFile, useCoverLetter, signatureImage);
    System.out.println("Done filling reports");
    outputType = outputSplit[1];
    System.out.println("Creating output export file of: " + jasperOutput);
    if (outputType.equalsIgnoreCase("pdf")) {
        Reporting.pdf(jrPrintFile, jasperOutput);
    }
    if (outputType.equalsIgnoreCase("pptx")) {
        Reporting.pptx(jrPrintFile, jasperOutput);
    }
    if (outputType.equalsIgnoreCase("docx")) {
        Reporting.docx(jrPrintFile, jasperOutput);
    }
    if (outputType.equalsIgnoreCase("odt")) {
        Reporting.odt(jrPrintFile, jasperOutput);
    }
    if (outputType.equalsIgnoreCase("xhtml")) {
        Reporting.xhtml(jrPrintFile, jasperOutput);
    }
    System.out.println("Done creating output export file of: " + jasperOutput);
}

From source file:acmi.l2.clientmod.l2_version_switcher.Main.java

public static void main(String[] args) {
    if (args.length != 3 && args.length != 4) {
        System.out.println("USAGE: l2_version_switcher.jar host game version <--splash> <filter>");
        System.out.println("EXAMPLE: l2_version_switcher.jar " + L2.NCWEST_HOST + " " + L2.NCWEST_GAME
                + " 1 \"system\\*\"");
        System.out.println(//  w  ww  .  j  a  va  2s. co m
                "         l2_version_switcher.jar " + L2.PLAYNC_TEST_HOST + " " + L2.PLAYNC_TEST_GAME + " 48");
        System.exit(0);
    }

    List<String> argsList = new ArrayList<>(Arrays.asList(args));
    String host = argsList.get(0);
    String game = argsList.get(1);
    int version = Integer.parseInt(argsList.get(2));
    Helper helper = new Helper(host, game, version);
    boolean available = false;

    try {
        available = helper.isAvailable();
    } catch (IOException e) {
        System.err.print(e.getClass().getSimpleName());
        if (e.getMessage() != null) {
            System.err.print(": " + e.getMessage());
        }

        System.err.println();
    }

    System.out.println(String.format("Version %d available: %b", version, available));
    if (!available) {
        System.exit(0);
    }

    List<FileInfo> fileInfoList = null;
    try {
        fileInfoList = helper.getFileInfoList();
    } catch (IOException e) {
        System.err.println("Couldn\'t get file info map");
        System.exit(1);
    }

    boolean splash = argsList.remove("--splash");
    if (splash) {
        Optional<FileInfo> splashObj = fileInfoList.stream()
                .filter(fi -> fi.getPath().contains("sp_32b_01.bmp")).findAny();
        if (splashObj.isPresent()) {
            try (InputStream is = new FilterInputStream(
                    Util.getUnzipStream(helper.getDownloadStream(splashObj.get().getPath()))) {
                @Override
                public int read() throws IOException {
                    int b = super.read();
                    if (b >= 0)
                        b ^= 0x36;
                    return b;
                }

                @Override
                public int read(byte[] b, int off, int len) throws IOException {
                    int r = super.read(b, off, len);
                    if (r >= 0) {
                        for (int i = 0; i < r; i++)
                            b[off + i] ^= 0x36;
                    }
                    return r;
                }
            }) {
                new DataInputStream(is).readFully(new byte[28]);
                BufferedImage bi = ImageIO.read(is);

                JFrame frame = new JFrame("Lineage 2 [" + version + "] " + splashObj.get().getPath());
                frame.setContentPane(new JComponent() {
                    {
                        setPreferredSize(new Dimension(bi.getWidth(), bi.getHeight()));
                    }

                    @Override
                    protected void paintComponent(Graphics g) {
                        g.drawImage(bi, 0, 0, null);
                    }
                });
                frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            } catch (IOException e) {
                e.printStackTrace();
            }
        } else {
            System.out.println("Splash not found");
        }
        return;
    }

    String filter = argsList.size() > 3 ? separatorsToSystem(argsList.get(3)) : null;

    File l2Folder = new File(System.getProperty("user.dir"));
    List<FileInfo> toUpdate = fileInfoList.parallelStream().filter(fi -> {
        String filePath = separatorsToSystem(fi.getPath());

        if (filter != null && !wildcardMatch(filePath, filter, IOCase.INSENSITIVE))
            return false;
        File file = new File(l2Folder, filePath);

        try {
            if (file.exists() && file.length() == fi.getSize() && Util.hashEquals(file, fi.getHash())) {
                System.out.println(filePath + ": OK");
                return false;
            }
        } catch (IOException e) {
            System.out.println(filePath + ": couldn't check hash: " + e);
            return true;
        }

        System.out.println(filePath + ": need update");
        return true;
    }).collect(Collectors.toList());

    List<String> errors = Collections.synchronizedList(new ArrayList<>());
    ExecutorService executor = Executors.newFixedThreadPool(16);
    CompletableFuture[] tasks = toUpdate.stream().map(fi -> CompletableFuture.runAsync(() -> {
        String filePath = separatorsToSystem(fi.getPath());
        File file = new File(l2Folder, filePath);

        File folder = file.getParentFile();
        if (!folder.exists()) {
            if (!folder.mkdirs()) {
                errors.add(filePath + ": couldn't create parent dir");
                return;
            }
        }

        try (InputStream input = Util
                .getUnzipStream(new BufferedInputStream(helper.getDownloadStream(fi.getPath())));
                OutputStream output = new BufferedOutputStream(new FileOutputStream(file))) {
            byte[] buffer = new byte[Math.min(fi.getSize(), 1 << 24)];
            int pos = 0;
            int r;
            while ((r = input.read(buffer, pos, buffer.length - pos)) >= 0) {
                pos += r;
                if (pos == buffer.length) {
                    output.write(buffer, 0, pos);
                    pos = 0;
                }
            }
            if (pos != 0) {
                output.write(buffer, 0, pos);
            }
            System.out.println(filePath + ": OK");
        } catch (IOException e) {
            String msg = filePath + ": FAIL: " + e.getClass().getSimpleName();
            if (e.getMessage() != null) {
                msg += ": " + e.getMessage();
            }
            errors.add(msg);
        }
    }, executor)).toArray(CompletableFuture[]::new);
    CompletableFuture.allOf(tasks).thenRun(() -> {
        for (String err : errors)
            System.err.println(err);
        executor.shutdown();
    });
}

From source file:com.zarkonnen.longan.Main.java

public static void main(String[] args) throws IOException {
    // Use Apache Commons CLI (packaged into the Jar) to parse command line options.
    Options options = new Options();
    Option helpO = OptionBuilder.withDescription("print help").create("h");
    Option versionO = OptionBuilder.withDescription("print version").create("v");
    Option outputO = OptionBuilder.withDescription("output file").withLongOpt("out").hasArg()
            .withArgName("file").create("o");
    Option formatO = OptionBuilder
            .withDescription("output format: one of plaintext (default) and visualize (debug output in png)")
            .hasArg().withArgName("format").withLongOpt("format").create();
    Option serverO = OptionBuilder.withDescription("launches server mode: Server mode reads "
            + "command line strings one per line exactly as above. If no output file is "
            + "specified, returns a line containing the number of output lines before the "
            + "output. If there is an error, returns a single line with the error message. "
            + "Shut down server by sending \"quit\".").withLongOpt("server").create();
    Option openCLO = OptionBuilder
            .withDescription(//  w  w w.j a v  a 2s  .  c  o  m
                    "enables use of the graphics card to " + "support the OCR system. Defaults to true.")
            .withLongOpt("enable-opencl").hasArg().withArgName("enabled").create();
    options.addOption(helpO);
    options.addOption(versionO);
    options.addOption(outputO);
    options.addOption(formatO);
    options.addOption(serverO);
    options.addOption(openCLO);
    CommandLineParser clp = new GnuParser();
    try {
        CommandLine line = clp.parse(options, args);
        if (line.hasOption("h")) {
            new HelpFormatter().printHelp(INVOCATION, options);
            System.exit(0);
        }
        if (line.hasOption("v")) {
            System.out.println(Longan.VERSION);
            System.exit(0);
        }
        boolean enableOpenCL = true;
        if (line.hasOption("enable-opencl")) {
            enableOpenCL = line.getOptionValue("enable-opencl").toLowerCase().equals("true")
                    || line.getOptionValue("enable-opencl").equals("1");
        }
        if (line.hasOption("server")) {
            Longan longan = Longan.getDefaultImplementation(enableOpenCL);
            BufferedReader inputR = new BufferedReader(new InputStreamReader(System.in));
            while (true) {
                String input = inputR.readLine();
                if (input.trim().equals("quit")) {
                    return;
                }
                String[] args2 = splitInput(input);
                Options o2 = new Options();
                o2.addOption(outputO);
                o2.addOption(formatO);
                try {
                    line = clp.parse(o2, args2);

                    File outFile = null;
                    if (line.hasOption("o")) {
                        outFile = new File(line.getOptionValue("o"));
                    }

                    ResultConverter format = FORMATS.get(line.getOptionValue("format", "plaintext"));
                    if (format != DEFAULT_FORMAT && outFile == null) {
                        System.out.println("You must specify an output file for non-plaintext output.");
                        continue;
                    }

                    if (line.getArgList().isEmpty()) {
                        System.out.println("Please specify an input image.");
                        continue;
                    }
                    if (line.getArgList().size() > 1) {
                        System.err.println("Please specify one input image at a time");
                        continue;
                    }

                    File inFile = new File((String) line.getArgList().get(0));

                    if (!inFile.exists()) {
                        System.out.println("The input image does not exist.");
                        continue;
                    }

                    try {
                        Result result = longan.process(ImageIO.read(inFile));
                        if (outFile == null) {
                            String txt = DEFAULT_FORMAT.convert(result);
                            System.out.println(numNewlines(txt) + 1);
                            System.out.print(txt);
                        } else {
                            if (outFile.getAbsoluteFile().getParentFile() != null
                                    && !outFile.getAbsoluteFile().getParentFile().exists()) {
                                outFile.getParentFile().mkdirs();
                            }
                            FileOutputStream fos = new FileOutputStream(outFile);
                            try {
                                format.write(result, fos);
                            } finally {
                                fos.close();
                            }
                        }
                    } catch (Exception e) {
                        System.out.println("Processing error: " + exception(e));
                    }
                } catch (ParseException e) {
                    System.out.println("Input not recognized: " + exception(e));
                }
            } // End server loop
        } else {
            // Single invocation
            File outFile = null;
            if (line.hasOption("o")) {
                outFile = new File(line.getOptionValue("o"));
            }

            ResultConverter format = FORMATS.get(line.getOptionValue("format", "plaintext"));
            if (format != DEFAULT_FORMAT && outFile == null) {
                System.err.println("You must specify an output file for non-plaintext output.");
                System.exit(1);
            }

            if (line.getArgList().isEmpty()) {
                System.err.println("Please specify an input image.");
                new HelpFormatter().printHelp(INVOCATION, options);
                System.exit(1);
            }
            if (line.getArgList().size() > 1) {
                System.err.println("Please specify one input image only. To process multiple "
                        + "images, use server mode.");
                System.exit(1);
            }
            File inFile = new File((String) line.getArgList().get(0));

            if (!inFile.exists()) {
                System.err.println("The input image does not exist.");
                System.exit(1);
            }

            try {
                Result result = Longan.getDefaultImplementation(enableOpenCL).process(ImageIO.read(inFile));
                if (outFile == null) {
                    String txt = DEFAULT_FORMAT.convert(result);
                    System.out.print(txt);
                } else {
                    if (outFile.getAbsoluteFile().getParentFile() != null
                            && !outFile.getAbsoluteFile().getParentFile().exists()) {
                        outFile.getParentFile().mkdirs();
                    }
                    FileOutputStream fos = new FileOutputStream(outFile);
                    try {
                        format.write(format.convert(result), fos);
                    } finally {
                        fos.close();
                    }
                }
            } catch (Exception e) {
                System.err.println("Processing error: " + exception(e));
                System.exit(1);
            }
        }
    } catch (ParseException e) {
        System.err.println("Parsing command line input failed: " + exception(e));
        System.exit(1);
    }
}

From source file:com.diversityarrays.dal.server.DalServer.java

public static void main(String[] args) {

    String host = null;/*from w  ww . j av  a2 s  . c om*/
    int port = DalServerUtil.DEFAULT_DAL_SERVER_PORT;

    int inactiveMins = DalServerUtil.DEFAULT_MAX_INACTIVE_MINUTES;

    File docRoot = null;

    String serviceName = null;

    for (int i = 0; i < args.length; ++i) {
        String argi = args[i];
        if (argi.startsWith("-")) {
            if ("--".equals(argi)) {
                break;
            }

            if ("-version".equals(argi)) {
                System.out.println(DAL_SERVER_VERSION);
                System.exit(0);
            }

            if ("-help".equals(argi)) {
                giveHelpThenExit(0);
            }

            if ("-docroot".equals(argi)) {
                if (++i >= args.length || args[i].startsWith("-")) {
                    fatal("missing value for " + argi);
                }
                docRoot = new File(args[i]);
            } else if ("-sqllog".equals(argi)) {
                SqlUtil.logger = Logger.getLogger(SqlUtil.class.getName());
            } else if ("-expire".equals(argi)) {
                if (++i >= args.length || args[i].startsWith("-")) {
                    fatal("missing value for " + argi);
                }

                try {
                    inactiveMins = Integer.parseInt(args[i], 10);
                    if (inactiveMins <= 0) {
                        fatal("invalid minutes: " + args[i]);
                    }
                } catch (NumberFormatException e) {
                    fatal("invalid minutes: " + args[i]);
                }
            } else if ("-localhost".equals(argi)) {
                host = "localhost";
            } else if ("-port".equals(argi)) {
                if (++i >= args.length || args[i].startsWith("-")) {
                    fatal("missing value for " + argi);
                }
                try {
                    port = Integer.parseInt(args[i], 10);
                    if (port < 0 || port > 65535) {
                        fatal("invalid port number: " + args[i]);
                    }
                } catch (NumberFormatException e) {
                    fatal("invalid port number: " + args[i]);
                }
            } else {
                fatal("invalid option: " + argi);
            }
        } else {
            if (serviceName != null) {
                fatal("multiple serviceNames not supported: " + argi);
            }
            serviceName = argi;
        }
    }

    final DalServerPreferences preferences = new DalServerPreferences(
            Preferences.userNodeForPackage(DalServer.class));

    if (docRoot == null) {
        docRoot = preferences.getWebRoot(new File(System.getProperty("user.dir"), "www"));
    }

    DalServer server = null;

    if (serviceName != null && docRoot.isDirectory()) {
        try {
            DalDatabase db = createDalDatabase(serviceName, preferences);
            if (db.isInitialiseRequired()) {
                Closure<String> progress = new Closure<String>() {
                    @Override
                    public void execute(String msg) {
                        System.out.println("Database Initialisation: " + msg);
                    }
                };
                db.initialise(progress);
            }
            server = create(preferences, host, port, docRoot, db);
        } catch (NoServiceException e) {
            throw new RuntimeException(e);
        } catch (DalDbException e) {
            throw new RuntimeException(e);
        }
    }

    Image serverIconImage = null;
    InputStream imageIs = DalServer.class.getResourceAsStream("dalserver-24.png");
    if (imageIs != null) {
        try {
            serverIconImage = ImageIO.read(imageIs);

            if (Util.isMacOS()) {
                try {
                    MacApplication macapp = new MacApplication(null);
                    macapp.setDockIconImage(serverIconImage);
                } catch (MacApplicationException e) {
                    System.err.println(e.getMessage());
                }
            }

        } catch (IOException ignore) {
        }
    }

    if (server != null) {
        server.setMaxInactiveMinutes(inactiveMins);
    } else {
        AskServerParams asker = new AskServerParams(serverIconImage, null, "DAL Server Start", docRoot,
                preferences);
        GuiUtil.centreOnScreen(asker);
        asker.setVisible(true);

        if (asker.cancelled) {
            System.exit(0);
        }

        host = asker.dalServerHostName;
        port = asker.dalServerPort;
        inactiveMins = asker.maxInactiveMinutes;

        server = create(preferences, host, port, asker.wwwRoot, asker.dalDatabase);
        // server.setUseSimpleDatabase(asker.useSimpleDatabase);
    }

    final DalServer f_server = server;
    final File f_wwwRoot = docRoot;
    final Image f_serverIconImage = serverIconImage;

    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            DalServerFactory factory = new DalServerFactory() {
                @Override
                public DalServer create(String hostName, int port, File wwwRoot, DalDatabase dalDatabase) {
                    return DalServer.create(preferences, hostName, port, wwwRoot, dalDatabase);
                }
            };
            ServerGui gui = new ServerGui(f_serverIconImage, f_server, factory, f_wwwRoot, preferences);
            gui.setVisible(true);
        }
    });

}

From source file:Main.java

public static int getWidthFromImage(String filename) {
    BufferedImage image;/*from www .j a  va2  s .co  m*/
    try {
        image = ImageIO.read(new File(filename));
        return image.getWidth();
    } catch (IOException e) {
        System.out.println(e.getMessage());
        e.printStackTrace();
    }
    return -1;
}

From source file:Main.java

public static ImageIcon GetIconFromURL(String url) {
    BufferedImage image;//from   w  w  w .j  a va  2  s .  c om
    try {
        image = ImageIO.read(new URL(url));
    } catch (Exception e) {
        return new ImageIcon();
    }
    return new ImageIcon(image);
}

From source file:Main.java

public static BufferedImage getImageFromFile(File f) {
    BufferedImage img = null;//from w ww.j  a  v a  2s.  c  om
    try {
        img = ImageIO.read(f);
    } catch (IOException e) {
        // if failed, then copy it to local path for later check:TBD
        // FileUtils.copyFile(f, new File(p1));
        e.printStackTrace();
        System.exit(1);
    }
    return img;
}

From source file:Main.java

public static BufferedImage getBufferImage(String path) throws IOException {
    File file = new File(path);
    return ImageIO.read(file);
}

From source file:Main.java

public static String getImageDimension(String imgLocation) throws Exception {
    BufferedImage image = null;//  w w  w. j  a  v  a  2 s  .com
    try {
        image = ImageIO.read(new URL(imgLocation));
    } catch (Exception e) {
        // If an error occurs, we consider the image as null. - FB
    }
    return (image == null ? "-1,-1" : image.getWidth() + "," + image.getHeight());
}

From source file:Main.java

public static byte[] getCompressedImage(byte[] rgb) {

    BufferedImage image;/*from w  ww  . j  av a2s . c o  m*/
    int width;
    int height;

    try {
        image = ImageIO.read(new ByteArrayInputStream(rgb));
        width = image.getWidth();
        height = image.getHeight();

        for (int i = 0; i < height; i++) {

            for (int j = 0; j < width; j++) {

                Color c = new Color(image.getRGB(j, i));
                int red = (int) (c.getRed() * 0.299);
                int green = (int) (c.getGreen() * 0.587);
                int blue = (int) (c.getBlue() * 0.114);
                Color newColor = new Color(red + green + blue,

                        red + green + blue, red + green + blue);

                image.setRGB(j, i, newColor.getRGB());
            }
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(image, "jpg", baos);
        baos.flush();
        byte[] imageInByte = baos.toByteArray();
        baos.close();

        return imageInByte;

    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}