Example usage for java.awt.image BufferedImage createGraphics

List of usage examples for java.awt.image BufferedImage createGraphics

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Introduction

In this page you can find the example usage for java.awt.image BufferedImage createGraphics.

Prototype

public Graphics2D createGraphics()

Source Link

Document

Creates a Graphics2D , which can be used to draw into this BufferedImage .

Usage

From source file:de.tuttas.restful.SchuelerManager.java

private BufferedImage createResizedCopy(Image originalImage, int scaledWidth, int scaledHeight,
        boolean preserveAlpha) {
    int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
    BufferedImage scaledBI = new BufferedImage(scaledWidth, scaledHeight, imageType);
    Graphics2D g = scaledBI.createGraphics();
    if (preserveAlpha) {
        g.setComposite(AlphaComposite.Src);
    }/* w  w  w. j  a  v a2  s . c o m*/
    g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
    g.dispose();
    return scaledBI;
}

From source file:info.magnolia.cms.taglibs.util.TextToImageTag.java

/**
 * Create an image file that is a scaled version of the original image
 * @param the original BufferedImage//w  w  w  . ja v  a2s. co  m
 * @param the scale factor
 * @return the new BufferedImage
 */
private BufferedImage scaleImage(BufferedImage oriImgBuff, double scaleFactor) {

    // get the dimesnions of the original image
    int oriWidth = oriImgBuff.getWidth();
    int oriHeight = oriImgBuff.getHeight();
    // get the width and height of the new image
    int newWidth = new Double(oriWidth * scaleFactor).intValue();
    int newHeight = new Double(oriHeight * scaleFactor).intValue();
    // create the thumbnail as a buffered image
    Image newImg = oriImgBuff.getScaledInstance(newWidth, newHeight, Image.SCALE_AREA_AVERAGING);
    BufferedImage newImgBuff = new BufferedImage(newImg.getWidth(null), newImg.getHeight(null),
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g = newImgBuff.createGraphics();
    g.drawImage(newImg, 0, 0, null);
    g.dispose();
    // return the newImgBuff
    return newImgBuff;
}

From source file:it.lufraproini.cms.servlet.upload_user_img.java

private Boolean creaThumbnail(Immagine img, Map info) {
    String cartella_img = getServletContext().getInitParameter("system.image_directory");
    String file_img = img.getFile().substring(img.getFile().indexOf("/"));
    String path_img = getServletContext().getRealPath(cartella_img);
    String cartella_thumb = getServletContext().getInitParameter("system.thumb_directory");
    String path_thumb = getServletContext().getRealPath(cartella_thumb);
    int altezza_thumb = 250;
    int larghezza_thumb = 250;
    BufferedImage thumb = new BufferedImage(larghezza_thumb, altezza_thumb, BufferedImage.TYPE_INT_RGB);
    String file_thumb = info.get("digest") + "." + info.get("estensione");

    try {/*from www . ja  v  a  2s.  c  om*/
        if (ImageIO.read(new File(path_img + file_img)).getWidth() >= larghezza_thumb) {
            thumb.createGraphics().drawImage(ImageIO.read(new File(path_img + file_img)).getScaledInstance(-1,
                    altezza_thumb, Image.SCALE_SMOOTH), 0, 0, null);
        } else {
            thumb.createGraphics().drawImage(ImageIO.read(new File(path_img + file_img))
                    .getScaledInstance(larghezza_thumb, altezza_thumb, Image.SCALE_SMOOTH), 0, 0, null);
        }

        ImageIO.write(thumb, info.get("estensione").toString(),
                new File(path_thumb + File.separatorChar + info.get("digest") + "." + info.get("estensione")));
    } catch (IOException ex) {
        return false;
    }
    img.setThumb(cartella_thumb + File.separatorChar + file_thumb);
    return true;
}

From source file:com.stanley.captioner.Transcriber.java

public void start() {
    // Create stream speech recognizer.
    StreamSpeechRecognizer recognizer = null;
    try {/* w  w w  .j ava2s .  c  o  m*/
        recognizer = new StreamSpeechRecognizer(config);
    } catch (IOException e) {
        System.out.println("Failed to create recognizer.");
    }

    // Open print writer for writing text output.
    PrintWriter writer = null;
    try {
        writer = new PrintWriter(textOut);
    } catch (FileNotFoundException e) {
        System.out.println("Failed to create print writer.");
    }

    // Open stream for first pass.
    InputStream stream = null;
    try {
        stream = new FileInputStream(audio);
    } catch (FileNotFoundException e) {
        System.out.println("Failed to stream file.");
    }

    // Initialize loop variables.
    SpeechResult result;
    int resultCount = 0;
    Stats stats = recognizer.createStats(1);

    // Start recognizer for first pass.
    recognizer.startRecognition(stream);
    System.out.println("First pass (stats collection) started.");

    // First pass loop to collect statistics for model adaptation.
    while ((result = recognizer.getResult()) != null) {
        try {
            stats.collect(result);
        } catch (Exception e) {
            System.out.println("Failed to collect stats.");
        }

        resultCount++;

        // Toggle for testing.
        if (quickTest && resultCount > 5) {
            break;
        }
    }
    // Close recognizer (end of first pass).
    recognizer.stopRecognition();
    System.out.println("Stats collection stopped.");

    // Transform model using model adaptation.
    Transform transform = stats.createTransform();
    recognizer.setTransform(transform);

    // Reopen stream for second pass.
    stream = null;
    try {
        stream = new FileInputStream(audio);
    } catch (FileNotFoundException e) {
        System.out.println("Failed to stream file.");
    }

    // Start recognizer for second pass.
    recognizer.startRecognition(stream);
    System.out.println("Second pass started.");

    // Create output text file header.
    writer.printf("%-20s", "WORD:");
    writer.printf("%20s", "CONFIDENCE:");
    writer.printf("%20s", "START TIME:");
    writer.printf("%20s", "END_TIME:");
    writer.println();
    for (int i = 0; i < 80; i++) {
        writer.print("-");
    }
    writer.println();

    // Initialize loop variables.
    int wordCount = 0;
    String sentence = "";
    int sentenceLength = 0;
    long sentenceStart = 0;
    long sentenceEnd = 0;
    ArrayList<Sentence> sentences = new ArrayList<>();

    // Second pass loop to calculate sentences.
    RECOG: while ((result = recognizer.getResult()) != null) {
        for (WordResult wordResult : result.getWords()) {
            wordCount++;
            String word = wordResult.getWord().toString();
            double confidence = wordResult.getConfidence();
            long startTime = wordResult.getTimeFrame().getStart();
            long endTime = wordResult.getTimeFrame().getEnd();
            writer.printf("%-20s", word);
            writer.printf("%20.1f", confidence);
            writer.printf("%20d", startTime);
            writer.printf("%20d", endTime);
            writer.println();

            if (sentenceLength + word.length() < 40) {
                // Add to current sentence.
                sentence += " " + word;
                sentenceLength += word.length();
                sentenceEnd = endTime;
            } else {
                // End of current sentence, store and start a new one.
                sentences.add(new Sentence(sentence, sentenceStart, sentenceEnd));
                sentenceStart = sentenceEnd;
                sentence = "";
                sentenceLength = 0;
            }

            // Toggle for testing.
            if (quickTest && wordCount > 50) {
                break RECOG;
            }
        }
    }

    // Close print writer and recognizer (end of second pass).
    writer.close();
    recognizer.stopRecognition();
    System.out.println("Second pass stopped.");

    // Create folder for caption images.
    String imageDirPath = FilenameUtils.concat(textOut.getParent(),
            FilenameUtils.getBaseName(textOut.getAbsolutePath()));
    System.out.println(imageDirPath);
    File imageDir = new File(imageDirPath);
    if (!imageDir.exists()) {
        // Create the folder if it doesn't already exist.
        imageDir.mkdir();
    }

    // Calculate video output path.
    String videoOutPath = FilenameUtils.concat(textOut.getParent(),
            FilenameUtils.getBaseName(textOut.getAbsolutePath()) + ".mp4");
    System.out.println(videoOutPath);

    // Initialize a command string for overlaying the captions.
    String commandString = String.format("%s -y -loglevel quiet -i %s", new Converter().getFFmpegPath(),
            videoIn.getAbsolutePath());
    System.out.println(commandString);

    // Initialize a complex filter for overlaying the captions.
    String filterString = "-filter_complex";

    // Acquire a probe object for collecting video details.
    Converter converter = new Converter();
    FFprobe ffprobe = null;
    try {
        ffprobe = new FFprobe(converter.getFFprobePath());
    } catch (IOException e) {
        System.out.println("Failed to find ffprobe.");
    }

    // Probe the video for details.
    FFmpegProbeResult probeResult = null;
    try {
        probeResult = ffprobe.probe(videoIn.getAbsolutePath());
    } catch (IOException e) {
        System.out.println("Failed to probe video file.");
    }

    // Get the width and height of the video.
    FFmpegStream videoStream = probeResult.getStreams().get(0);
    int videoWidth = videoStream.width;
    int videoHeight = videoStream.height;

    // Calculate the x and y coordinates of the captions.
    int captionX = (videoWidth / 2) - 220;
    int captionY = videoHeight - 25 - 10;

    // Loop over the sentences, generate captions, and build command string.
    int k = 0;
    for (Sentence s : sentences) {
        // Create caption image from sentence.
        BufferedImage bi = new BufferedImage(440, 50, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = bi.createGraphics();
        g.setPaint(new Color(0, 0, 0, 128));
        g.fillRect(0, 0, 440, 50);
        g.setPaint(new Color(255, 255, 255, 255));
        g.setFont(new Font("Serif", Font.BOLD, 20));
        FontMetrics fm = g.getFontMetrics();
        int x = bi.getWidth() - fm.stringWidth(s.text) - 5;
        int y = fm.getHeight() - 5;
        g.drawString(s.text, x, y);
        g.dispose();

        // Write the image to file for future reference.
        String suffix = String.format("caption-%03d.png", k);
        String imagePath = FilenameUtils.concat(imageDirPath, suffix);
        try {
            File imageFile = new File(imagePath);
            ImageIO.write(bi, "png", imageFile);
        } catch (IOException e) {
            System.out.println("Failed to write caption image to file.");
        }

        // Add the caption image path to the command string.
        commandString += " -i " + imagePath;

        // Add an entry to the complex filter with the caption timeframe.
        if (k == 0) {
            filterString += String.format(" \"[0:v][1:v] overlay=%d:%d:enable='between(t,%d,%d)'%s", captionX,
                    captionY, s.startTime / 1000, s.endTime / 1000,
                    (k == sentences.size() - 1) ? "\"" : " [tmp];");
        } else {
            filterString += String.format(" [tmp][%d:v] overlay=%d:%d:enable='between(t,%d,%d)'%s", k + 1,
                    captionX, captionY, s.startTime / 1000, s.endTime / 1000,
                    (k == sentences.size() - 1) ? "\"" : " [tmp];");
        }
        k++;
    }

    // Build final command string.
    String finalCommand = String.format("%s %s -codec:a copy %s", commandString, filterString, videoOutPath);

    System.out.println(finalCommand);

    // Attempt to run the final command string to embed the captions.
    try {
        Process p = Runtime.getRuntime().exec(finalCommand);
        try {
            if (p.waitFor() != 0) {
                // Embedding the captions failed.
                System.out.println("Image overlay failed.");
            }
        } catch (InterruptedException e) {
            // Embedding the captions was interrupted.
            System.out.println("Interrupted image overlay.");
        }
    } catch (IOException e) {
        // Command string failed to execute.
        System.out.println("Failed to execute image overlay.");
    }

    // Delete intermediate audio file.
    audio.delete();

    System.out.println("........................CAPTIONING COMPLETE........................");
}

From source file:net.java.sip.communicator.impl.osdependent.jdic.SystrayServiceJdicImpl.java

private BufferedImage createOverlayImage(String text) {
    int size = 16;
    BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = image.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    //background// w w  w . ja v a 2  s  . com
    g.setPaint(new Color(0, 0, 0, 102));
    g.fillRoundRect(0, 0, size, size, size, size);

    //filling
    int mainRadius = 14;
    g.setPaint(new Color(255, 98, 89));
    g.fillRoundRect(size / 2 - mainRadius / 2, size / 2 - mainRadius / 2, mainRadius, mainRadius, size, size);

    //text
    Font font = g.getFont();
    g.setFont(new Font(font.getName(), Font.BOLD, 9));
    FontMetrics fontMetrics = g.getFontMetrics();
    int textWidth = fontMetrics.stringWidth(text);
    g.setColor(Color.white);
    g.drawString(text, size / 2 - textWidth / 2,
            size / 2 - fontMetrics.getHeight() / 2 + fontMetrics.getAscent());

    return image;
}

From source file:org.nekorp.workflow.desktop.servicio.reporte.orden.servicio.OrdenServicioDataFactory.java

private String generaImagenCombustible(double porcentaje) {
    try {/*from w w w .  jav  a 2 s  .c  o m*/
        int width = 186 * 3;
        int height = 15 * 3;
        IndicadorBarraGraphicsView view = new IndicadorBarraGraphicsView();
        view.setWidthBar(width);
        view.setHeightBar(height);
        view.setPorcentaje(porcentaje);
        BufferedImage off_Image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = off_Image.createGraphics();
        g2.setColor(Color.WHITE);
        g2.fillRect(0, 0, width, height);
        view.paint(g2);
        File file = new File("data/nivelCombustible.jpg");
        saveJPG(off_Image, file);
        return file.getCanonicalPath();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:com.esri.ArcGISController.java

@RequestMapping(value = "/rest/services/InfoUSA/MapServer/export", method = { RequestMethod.GET,
        RequestMethod.POST })/*w  ww .  j a v a  2  s. c  o m*/
public void doExport(@RequestParam("bbox") final String bbox,
        @RequestParam(value = "size", required = false) final String size,
        @RequestParam(value = "layerDefs", required = false) final String layerDefs,
        @RequestParam(value = "transparent", required = false) final String transparent,
        final HttpServletResponse response) throws IOException {
    double xmin = -1.0, ymin = -1.0, xmax = 1.0, ymax = 1.0;
    if (bbox != null && bbox.length() > 0) {
        final String[] tokens = m_patternComma.split(bbox);
        if (tokens.length == 4) {
            xmin = Double.parseDouble(tokens[0]);
            ymin = Double.parseDouble(tokens[1]);
            xmax = Double.parseDouble(tokens[2]);
            ymax = Double.parseDouble(tokens[3]);
        } else {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST,
                    "bbox is not in the form xmin,ymin,xmax,ymax");
            return;
        }
    } else {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, "bbox is null or empty");
        return;
    }

    final double xdel = xmax - xmin;
    final double ydel = ymax - ymin;

    int imageWidth = 400;
    int imageHeight = 400;
    if (size != null && size.length() > 0) {
        final String[] tokens = m_patternComma.split(size);
        if (tokens.length == 2) {
            imageWidth = Integer.parseInt(tokens[0], 10);
            imageHeight = Integer.parseInt(tokens[1], 10);
        } else {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST, "size is not in the form width,height");
            return;
        }
    }
    String where = null;
    double lo = Double.NaN;
    double hi = Double.NaN;
    int[] ramp = null;
    if (layerDefs != null) {
        final String[] tokens = m_patternSemiColon.split(layerDefs);
        for (final String token : tokens) {
            final String[] keyval = m_patternEqual.split(token.substring(2));
            if (keyval.length == 2) {
                final String key = keyval[0];
                final String val = keyval[1];
                if ("lo".equalsIgnoreCase(key)) {
                    lo = "NaN".equalsIgnoreCase(val) ? Double.NaN : Double.parseDouble(val);
                } else if ("hi".equalsIgnoreCase(key)) {
                    hi = "NaN".equalsIgnoreCase(val) ? Double.NaN : Double.parseDouble(val);
                } else if ("ramp".equalsIgnoreCase(key)) {
                    ramp = parseRamp(val);
                } else if ("where".equalsIgnoreCase(key)) {
                    where = val;
                }
            }
        }
    }
    if (ramp == null) {
        ramp = new int[] { 0xFFFFFF, 0x000000 };
    }

    final Range range = new Range();
    final Map<Long, Double> map = query(where, xmin, ymin, xmax, ymax, range);
    if (!Double.isNaN(lo)) {
        range.lo = lo;
    }
    if (!Double.isNaN(hi)) {
        range.hi = hi;
    }
    range.dd = range.hi - range.lo;

    final int typeIntRgb = "true".equalsIgnoreCase(transparent) ? BufferedImage.TYPE_INT_ARGB
            : BufferedImage.TYPE_INT_RGB;
    BufferedImage bufferedImage = new BufferedImage(imageWidth, imageHeight, typeIntRgb);
    final Graphics2D graphics = bufferedImage.createGraphics();
    try {
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

        graphics.setBackground(new Color(0, 0, 0, 0));

        drawCells(graphics, imageWidth, imageHeight, xmin, ymin, xdel, ydel, range, ramp, map.entrySet());
    } finally {
        graphics.dispose();
    }

    // bufferedImage = m_op.filter(bufferedImage, null);

    final ByteArrayOutputStream baos = new ByteArrayOutputStream(10 * 1024);
    ImageIO.write(bufferedImage, "PNG", baos);

    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType("image/png");
    response.setContentLength(baos.size());
    baos.writeTo(response.getOutputStream());
    response.getOutputStream().flush();
}

From source file:de.fhg.igd.mapviewer.server.wms.overlay.WMSTileOverlay.java

/**
 * @see AbstractTileOverlayPainter#repaintTile(int, int, int, int,
 *      PixelConverter, int)//from  www  . jav a2  s. c om
 */
@Override
public BufferedImage repaintTile(int posX, int posY, int width, int height, PixelConverter converter,
        int zoom) {
    // the first converter isn't regarded as a new converter because it's
    // always the empty map
    boolean isNewConverter = lastConverter != null && !converter.equals(lastConverter);
    lastConverter = converter;

    if (!converter.supportsBoundingBoxes()) {
        if (isNewConverter) {
            handleError(Messages.WMSTileOverlay_0 + configuration.getName() + Messages.WMSTileOverlay_1);
        }
        return null;
    }

    synchronized (this) {
        if (capabilities == null) {
            try {
                capabilities = WMSUtil.getCapabilities(configuration.getBaseUrl());
            } catch (WMSCapabilitiesException e) {
                log.error("Error getting WMS capabilities"); //$NON-NLS-1$
            }
        }
    }

    if (capabilities != null) {
        int mapEpsg = converter.getMapEpsg();

        WMSBounds box;
        synchronized (this) {
            if (capabilities.getSupportedSRS().contains("EPSG:" + mapEpsg)) { //$NON-NLS-1$
                // same SRS supported
            } else {
                // SRS not supported
                if (isNewConverter) {
                    StringBuilder message = new StringBuilder();
                    message.append(Messages.WMSTileOverlay_2);
                    message.append(configuration.getName());
                    message.append(Messages.WMSTileOverlay_3);
                    boolean init = true;
                    for (String srs : capabilities.getSupportedSRS()) {
                        if (init) {
                            init = false;
                        } else {
                            message.append(", "); //$NON-NLS-1$
                        }
                        message.append(srs);
                    }
                    handleError(message.toString());
                }
                return null;
            }

            box = WMSUtil.getBoundingBox(capabilities, mapEpsg);
        }

        String srs = box.getSRS();

        if (srs.startsWith("EPSG:")) { //$NON-NLS-1$
            // determine format
            String format = null;
            Iterator<String> itFormat = supportedFormats.iterator();
            synchronized (this) {
                while (format == null && itFormat.hasNext()) {
                    String supp = itFormat.next();
                    if (capabilities.getFormats().contains(supp)) {
                        format = supp;
                    }
                }
            }
            if (format == null) {
                // no compatible format
                return null;
            }

            try {
                // check if tile lies within the bounding box
                int epsg = Integer.parseInt(srs.substring(5));

                GeoPosition topLeft = converter.pixelToGeo(new Point(posX, posY), zoom);
                GeoPosition bottomRight = converter.pixelToGeo(new Point(posX + width, posY + height), zoom);

                // WMS bounding box
                BoundingBox wms = new BoundingBox(box.getMinX(), box.getMinY(), -1, box.getMaxX(),
                        box.getMaxY(), 1);

                GeoConverter geotools = GeotoolsConverter.getInstance();
                GeoPosition bbTopLeft = geotools.convert(topLeft, epsg);
                GeoPosition bbBottomRight = geotools.convert(bottomRight, epsg);

                double minX = Math.min(bbTopLeft.getX(), bbBottomRight.getX());
                double minY = Math.min(bbTopLeft.getY(), bbBottomRight.getY());
                double maxX = Math.max(bbTopLeft.getX(), bbBottomRight.getX());
                double maxY = Math.max(bbTopLeft.getY(), bbBottomRight.getY());

                BoundingBox tile = new BoundingBox(minX, minY, -1, maxX, maxY, 1);

                // check if bounding box and tile overlap
                if (wms.intersectsOrCovers(tile) || tile.covers(wms)) {
                    WMSBounds bounds;
                    if (epsg == mapEpsg) {
                        bounds = new WMSBounds(srs, minX, minY, maxX, maxY);
                    } else {
                        // determine bounds for request
                        minX = Math.min(topLeft.getX(), bottomRight.getX());
                        minY = Math.min(topLeft.getY(), bottomRight.getY());
                        maxX = Math.max(topLeft.getX(), bottomRight.getX());
                        maxY = Math.max(topLeft.getY(), bottomRight.getY());
                        bounds = new WMSBounds("EPSG:" + mapEpsg, minX, minY, maxX, maxY); //$NON-NLS-1$
                    }

                    URI uri;
                    synchronized (this) {
                        uri = WMSUtil.getMapURI(capabilities, configuration, width, height, bounds, null,
                                format, true);
                    }

                    Proxy proxy = ProxyUtil.findProxy(uri);

                    InputStream in = uri.toURL().openConnection(proxy).getInputStream();

                    BufferedImage image = GraphicsUtilities.loadCompatibleImage(in);

                    // apply transparency to the image
                    BufferedImage result = GraphicsUtilities.createCompatibleTranslucentImage(image.getWidth(),
                            image.getHeight());
                    Graphics2D g = result.createGraphics();
                    try {
                        AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC, 0.5f);
                        g.setComposite(ac);
                        g.drawImage(image, 0, 0, null);
                    } finally {
                        g.dispose();
                    }

                    return result;
                }
            } catch (Throwable e) {
                log.warn("Error painting WMS overlay", e); //$NON-NLS-1$
            }
        }
    }

    return null;
}

From source file:com.celements.photo.image.GenerateThumbnail.java

BufferedImage convertImageToBufferedImage(Image thumbImg, String watermark, String copyright, Color defaultBg) {
    BufferedImage thumb = new BufferedImage(thumbImg.getWidth(null), thumbImg.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = thumb.createGraphics();
    if (defaultBg != null) {
        g2d.setColor(defaultBg);//from w ww . j av  a2  s . co m
        g2d.fillRect(0, 0, thumbImg.getWidth(null), thumbImg.getHeight(null));
    }
    g2d.drawImage(thumbImg, 0, 0, null);

    if ((watermark != null) && (!watermark.equals(""))) {
        drawWatermark(watermark, g2d, thumb.getWidth(), thumb.getHeight());
    }

    if ((copyright != null) && (!copyright.equals(""))) {
        drawCopyright(copyright, g2d, thumb.getWidth(), thumb.getHeight());
    }
    mLogger.info("thumbDimensions: " + thumb.getHeight() + "x" + thumb.getWidth());
    return thumb;
}