Example usage for javax.imageio ImageIO write

List of usage examples for javax.imageio ImageIO write

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  4. javax.imageio.*
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  6. write

Introduction

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

Prototype

public static boolean write(RenderedImage im, String formatName, OutputStream output) throws IOException

Source Link

Document

Writes an image using an arbitrary ImageWriter that supports the given format to an OutputStream .

Usage

From source file:net.cloudkit.relaxation.VerifyImage.java

private void unknowToImage(BufferedImage image, String name) {
    try {/* ww w  .  ja  v a2 s.co m*/
        ImageIO.write(image, "bmp", new File(name));
    } catch (IOException var4) {
        var4.printStackTrace();
    }

}

From source file:com.netsteadfast.greenstep.bsc.command.ObjectivesDashboardExcelCommand.java

@SuppressWarnings("unchecked")
private int putCharts(XSSFWorkbook wb, XSSFSheet sh, Context context) throws Exception {

    String barBase64Content = SimpleUtils.getPNGBase64Content((String) context.get("barChartsData"));
    BufferedImage barImage = SimpleUtils.decodeToImage(barBase64Content);
    ByteArrayOutputStream barBos = new ByteArrayOutputStream();
    ImageIO.write(barImage, "png", barBos);
    barBos.flush();/*from w  w w .  j  a v a2  s .c o  m*/
    SimpleUtils.setCellPicture(wb, sh, barBos.toByteArray(), 0, 0);

    int row = 28;

    List<Map<String, Object>> chartDatas = (List<Map<String, Object>>) context.get("chartDatas");
    String year = (String) context.get("year");

    XSSFCellStyle cellHeadStyle = wb.createCellStyle();
    cellHeadStyle.setFillForegroundColor(new XSSFColor(SimpleUtils.getColorRGB4POIColor("#f5f5f5")));
    cellHeadStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);

    XSSFFont cellHeadFont = wb.createFont();
    cellHeadFont.setBold(true);
    cellHeadStyle.setFont(cellHeadFont);

    int titleCellSize = 14;
    Row headRow = sh.createRow(row);
    for (int i = 0; i < titleCellSize; i++) {
        Cell headCell = headRow.createCell(i);
        headCell.setCellStyle(cellHeadStyle);
        headCell.setCellValue("Objectives metrics gauge ( " + year + " )");
    }
    sh.addMergedRegion(new CellRangeAddress(row, row, 0, titleCellSize - 1));

    row = row + 1;
    int cellLeft = 10;
    int rowSpace = 17;
    for (Map<String, Object> data : chartDatas) {
        Map<String, Object> nodeData = (Map<String, Object>) ((List<Object>) data.get("datas")).get(0);
        String pngImageData = SimpleUtils.getPNGBase64Content((String) nodeData.get("outerHTML"));
        BufferedImage imageData = SimpleUtils.decodeToImage(pngImageData);
        ByteArrayOutputStream imgBos = new ByteArrayOutputStream();
        ImageIO.write(imageData, "png", imgBos);
        imgBos.flush();
        SimpleUtils.setCellPicture(wb, sh, imgBos.toByteArray(), row, 0);

        XSSFColor bgColor = new XSSFColor(SimpleUtils.getColorRGB4POIColor((String) nodeData.get("bgColor")));
        XSSFColor fnColor = new XSSFColor(SimpleUtils.getColorRGB4POIColor((String) nodeData.get("fontColor")));

        XSSFCellStyle cellStyle = wb.createCellStyle();
        cellStyle.setFillForegroundColor(bgColor);
        cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);

        XSSFFont cellFont = wb.createFont();
        cellFont.setBold(true);
        cellFont.setColor(fnColor);

        cellStyle.setFont(cellFont);

        int perTitleCellSize = 4;
        Row nowRow = sh.createRow(row);
        for (int i = 0; i < perTitleCellSize; i++) {
            Cell cell1 = nowRow.createCell(cellLeft);
            cell1.setCellStyle(cellStyle);
            cell1.setCellValue((String) nodeData.get("name"));
        }
        sh.addMergedRegion(new CellRangeAddress(row, row, cellLeft, cellLeft + perTitleCellSize - 1));

        nowRow = sh.createRow(row + 1);
        Cell cell2 = nowRow.createCell(cellLeft);
        cell2.setCellValue("Target: " + String.valueOf(nodeData.get("target")));

        nowRow = sh.createRow(row + 2);
        Cell cell3 = nowRow.createCell(cellLeft);
        cell3.setCellValue("Min: " + String.valueOf(nodeData.get("min")));

        nowRow = sh.createRow(row + 3);
        Cell cell4 = nowRow.createCell(cellLeft);
        cell4.setCellValue("Score: " + String.valueOf(nodeData.get("score")));

        row += rowSpace;
    }

    return row;
}

From source file:zz.pseas.ghost.login.weibo.SinaWeiboLogin.java

public static String getSinaCookie(String username, String password) throws Exception {

    StringBuilder sb = new StringBuilder();
    HtmlUnitDriver driver = new HtmlUnitDriver(true);
    // driver.setSocksProxy("127.0.0.1", 1080);
    // driver.setProxy("127.0.0.1", 1080);
    // HtmlOption htmlOption=new Ht
    // WebDriver driver = new FirefoxDriver();
    driver.setJavascriptEnabled(true);/*from   www . j  a  v  a  2s .  c o m*/
    // user agent switcher//
    String loginAddress = "http://login.weibo.cn/login/";
    driver.get(loginAddress);
    WebElement ele = driver.findElementByCssSelector("img");
    String src = ele.getAttribute("src");
    String cookie = concatCookie(driver);

    CloseableHttpClient httpclient = HttpClients.createDefault();
    RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(1000).setConnectTimeout(1000)
            .setCookieSpec(cookie).build();

    HttpGet httpget = new HttpGet(src);
    httpget.setConfig(requestConfig);
    CloseableHttpResponse response = httpclient.execute(httpget);

    HttpEntity entity;
    String result = null;
    try {

        if (response.getStatusLine().getStatusCode() != HttpURLConnection.HTTP_OK) {
            // try again//
        }
        entity = response.getEntity();

        if (entity != null) {
            InputStream instream = entity.getContent();
            try {
                // do something useful
                InputStream inputStream = entity.getContent();
                BufferedImage img = ImageIO.read(inputStream);
                // deal with the weibo captcha //
                String picName = LoginUtils.getCurrentTime("yyyyMMdd-hhmmss");
                // captcha//
                LoginUtils.getCaptchaDir();
                picName = "./captcha/captcha-" + picName + ".png";
                ImageIO.write(img, "png", new File(picName));
                String userInput = new CaptchaFrame(img).getUserInput();
                WebElement mobile = driver.findElementByCssSelector("input[name=mobile]");
                mobile.sendKeys(username);
                WebElement pass = driver.findElementByCssSelector("input[name^=password]");
                pass.sendKeys(password);
                WebElement code = driver.findElementByCssSelector("input[name=code]");
                code.sendKeys(userInput);
                WebElement rem = driver.findElementByCssSelector("input[name=remember]");
                rem.click();
                WebElement submit = driver.findElementByCssSelector("input[name=submit]");
                // ?//
                submit.click();
                result = concatCookie(driver);
                driver.close();
            } finally {
                instream.close();
            }
        }
    } finally {
        response.close();
    }

    if (result.contains("gsid_CTandWM")) {
        return result;
    } else {
        // throw new Exception("weibo login failed");
        return null;
    }
}

From source file:juicebox.tools.utils.juicer.apa.APAPlotter.java

/**
 * Method for plotting apa data//  w  ww  . java  2  s .c  o m
 *
 * @param data       for heat map
 * @param axesRange  initial values and increments to annotate axes [x0, dx, y0, dy]
 * @param outputFile where image will saved
 */
public static void plot(RealMatrix data, int[] axesRange, File outputFile, String title) {

    APARegionStatistics apaStats = new APARegionStatistics(data);
    DecimalFormat df = new DecimalFormat("0.000");
    title += ", P2LL = " + df.format(apaStats.getPeak2LL());

    // initialize heat map
    HeatChart map = new HeatChart(data.getData());
    map.setLowValueColour(Color.WHITE);
    map.setHighValueColour(Color.RED);
    map.setXValues(axesRange[0], axesRange[1]);
    map.setYValues(axesRange[2], axesRange[3]);
    map.setTitle(title);

    try {
        // calculate dimensions for plot wrapper
        initializeSizes(map);

        // create blank white image
        BufferedImage apaImage = new BufferedImage(fullWidth, fullHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = apaImage.createGraphics();
        g2.setBackground(Color.WHITE);
        g2.fillRect(0, 0, fullWidth, fullHeight);

        // plot in heat map, color bar, etc
        g2.drawImage(map.getChartImage(), 0, 0, heatmapWidth, fullHeight, null);
        drawHeatMapBorder(g2, map);
        plotColorScaleBar(g2);
        plotColorScaleValues(g2, map);

        // top left, top right, bottom left, bottom right values (from apa)

        drawCornerRegions(g2, map, new Dimension(APA.regionWidth, APA.regionWidth),
                apaStats.getRegionCornerValues());

        // save data
        ImageIO.write(apaImage, "png", outputFile);

    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:info.novatec.testit.livingdoc.confluence.macros.historic.AbstractChartBuilder.java

@SuppressWarnings("deprecation")
protected String getDownloadPath(BufferedImage chartImage) throws IOException {
    File imageOutputFile = ExportDownload.createTempFile("chart", ".png");

    ImageIO.write(chartImage, "png", imageOutputFile);

    return ExportDownload.getUrl(imageOutputFile, "image/png");
}

From source file:com.baidu.rigel.biplatform.ma.auth.resource.RandomValidateCode.java

/**
 * //from w  w  w  .j a  v  a2  s.  c  om
 * @param request
 * @param response
 * @param cacheManagerForResource 
 */
public static void getRandcode(HttpServletRequest request, HttpServletResponse response,
        CacheManagerForResource cacheManagerForResource) {
    // BufferedImageImage,Image????
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
    Graphics g = image.getGraphics(); // ImageGraphics,?????
    g.fillRect(0, 0, width, height);
    g.setFont(new Font("Times New Roman", Font.ROMAN_BASELINE, 18));
    g.setColor(getRandColor(110, 133));
    // 
    for (int i = 0; i <= lineSize; i++) {
        drowLine(g);
    }
    // ?
    String randomString = "";
    for (int i = 1; i <= stringNum; i++) {
        randomString = drowString(g, randomString, i);
    }
    String key = null;
    if (request.getCookies() != null) {
        for (Cookie tmp : request.getCookies()) {
            if (tmp.getName().equals(Constants.RANDOMCODEKEY)) {
                key = tmp.getName();
                cacheManagerForResource.removeFromCache(key);
                break;
            }
        }
    }
    if (StringUtils.isEmpty(key)) {
        key = String.valueOf(System.nanoTime());
    }
    cacheManagerForResource.setToCache(key, randomString);
    final Cookie cookie = new Cookie(Constants.RANDOMCODEKEY, key);
    cookie.setPath(Constants.COOKIE_PATH);
    response.addCookie(cookie);
    g.dispose();
    try {
        ImageIO.write(image, "JPEG", response.getOutputStream()); // ??
    } catch (Exception e) {
        LOG.info(e.getMessage());
    }
}

From source file:Result3.java

public void createImageJPG() {
    JFileChooser chooser = new JFileChooser();
    chooser.setCurrentDirectory(new File("Documents"));
    int retrival = chooser.showSaveDialog(null);
    if (retrival == JFileChooser.APPROVE_OPTION) {
        try {/*  w  w w  .ja v  a2  s .c  om*/
            ImageIO.write(bImage1, "jpg", new File(chooser.getSelectedFile() + ".jpg"));
        } catch (IOException ex) {
            Logger.getLogger(Result1.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

From source file:kz.supershiny.core.services.ImageService.java

/**
 * Creates thumb for image./*from  w w w.java  2  s  .c  o m*/
 *
 * @param originalData original image in byte array
 * @param type original - 0, large - 1, small - 2
 * @return resized image in byte array
 */
public static byte[] resizeImage(byte[] originalData, ImageSize type) {
    //if original flag, then return original
    if (type.equals(ImageSize.ORIGINAL)) {
        return originalData;
    }

    BufferedImage originalImage = null;
    BufferedImage resizedImage = null;
    byte[] result = null;
    //convert bytes to BufferedImage
    try (InputStream in = new ByteArrayInputStream(originalData)) {
        originalImage = ImageIO.read(in);
    } catch (IOException ex) {
        LOG.error("Cannot convert byte array to BufferedImage!", ex);
        return null;
    }
    //get original size
    int scaledHeight = originalImage.getHeight();
    int scaledWidth = originalImage.getWidth();

    switch (type) {
    case LARGE:
        scaledWidth = LARGE_WIDTH;
        scaledHeight = LARGE_HEIGHT;
        break;
    case SMALL:
        scaledWidth = SMALL_WIDTH;
        scaledHeight = SMALL_HEIGHT;
        break;
    default:
        break;
    }
    //calculate aspect ratio
    float ratio = 1.0F * originalImage.getWidth() / originalImage.getHeight();
    if (ratio > 1.0F) {
        scaledHeight = (int) (scaledHeight / ratio);
    } else {
        scaledWidth = (int) (scaledWidth * ratio);
    }
    //resize with hints
    resizedImage = new BufferedImage(scaledWidth, scaledHeight,
            originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType());

    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
    g.dispose();
    g.setComposite(AlphaComposite.Src);

    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    //convert BufferedImage to bytes
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        ImageIO.write(resizedImage, "png", baos);
        baos.flush();
        result = baos.toByteArray();
    } catch (IOException ex) {
        LOG.error("Cannot convert BufferedImage to byte array!", ex);
    }
    return result;
}

From source file:hudson.util.Graph.java

/**
 * Renders a graph.//ww  w  . j  a  v  a2s . c o  m
 */
public void doPng(StaplerRequest req, StaplerResponse rsp) throws IOException {
    if (req.checkIfModified(timestamp, rsp))
        return;

    try {
        BufferedImage image = render(req, null);
        rsp.setContentType("image/png");
        ServletOutputStream os = rsp.getOutputStream();
        ImageIO.write(image, "PNG", os);
        os.close();
    } catch (Error e) {
        /* OpenJDK on ARM produces an error like this in case of headless error
        Caused by: java.lang.Error: Probable fatal error:No fonts found.
                at sun.font.FontManager.getDefaultPhysicalFont(FontManager.java:1088)
                at sun.font.FontManager.initialiseDeferredFont(FontManager.java:967)
                at sun.font.CompositeFont.doDeferredInitialisation(CompositeFont.java:254)
                at sun.font.CompositeFont.getSlotFont(CompositeFont.java:334)
                at sun.font.CompositeStrike.getStrikeForSlot(CompositeStrike.java:77)
                at sun.font.CompositeStrike.getFontMetrics(CompositeStrike.java:93)
                at sun.font.Font2D.getFontMetrics(Font2D.java:387)
                at java.awt.Font.defaultLineMetrics(Font.java:2082)
                at java.awt.Font.getLineMetrics(Font.java:2152)
                at org.jfree.chart.axis.NumberAxis.estimateMaximumTickLabelHeight(NumberAxis.java:974)
                at org.jfree.chart.axis.NumberAxis.selectVerticalAutoTickUnit(NumberAxis.java:1104)
                at org.jfree.chart.axis.NumberAxis.selectAutoTickUnit(NumberAxis.java:1048)
                at org.jfree.chart.axis.NumberAxis.refreshTicksVertical(NumberAxis.java:1249)
                at org.jfree.chart.axis.NumberAxis.refreshTicks(NumberAxis.java:1149)
                at org.jfree.chart.axis.ValueAxis.reserveSpace(ValueAxis.java:788)
                at org.jfree.chart.plot.CategoryPlot.calculateRangeAxisSpace(CategoryPlot.java:2650)
                at org.jfree.chart.plot.CategoryPlot.calculateAxisSpace(CategoryPlot.java:2669)
                at org.jfree.chart.plot.CategoryPlot.draw(CategoryPlot.java:2716)
                at org.jfree.chart.JFreeChart.draw(JFreeChart.java:1222)
                at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1396)
                at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1376)
                at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1361)
                at hudson.util.ChartUtil.generateGraph(ChartUtil.java:116)
                at hudson.util.ChartUtil.generateGraph(ChartUtil.java:99)
                at hudson.tasks.test.AbstractTestResultAction.doPng(AbstractTestResultAction.java:196)
                at hudson.tasks.test.TestResultProjectAction.doTrend(TestResultProjectAction.java:97)
                ... 37 more
         */
        if (e.getMessage().contains("Probable fatal error:No fonts found")) {
            rsp.sendRedirect2(req.getContextPath() + "/images/headless.png");
            return;
        }
        throw e; // otherwise let the caller deal with it
    } catch (HeadlessException e) {
        // not available. send out error message
        rsp.sendRedirect2(req.getContextPath() + "/images/headless.png");
    }
}

From source file:femr.business.services.system.PhotoService.java

private byte[] convertBufferedImageToByteArray(BufferedImage img) {
    if (img != null) {
        try {//ww  w. j a  v a2 s  .c  o m
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ImageIO.write(img, "jpg", baos);
            return baos.toByteArray();
        } catch (Exception ex) {
        }
    }
    return null;
}