Example usage for javax.imageio ImageIO createImageOutputStream

Introduction

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

Prototype

public static ImageOutputStream createImageOutputStream(Object output) throws IOException 

Source Link

Document

Returns an ImageOutputStream that will send its output to the given Object .

Usage

From source file:Main.java

static public void main(String args[]) throws Exception {
    int width = 200, height = 200;
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    Graphics2D ig2 = bi.createGraphics();
    ig2.fillRect(0, 0, width - 1, height - 1);

    Iterator imageWriters = ImageIO.getImageWritersByFormatName("GIF");
    ImageWriter imageWriter = (ImageWriter) imageWriters.next();
    File file = new File("filename.gif");
    ImageOutputStream ios = ImageIO.createImageOutputStream(file);
    imageWriter.setOutput(ios);/*from  www  .  jav  a  2 s.  c om*/
    imageWriter.write(bi);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    BufferedImage bi = ImageIO.read(url);
    for (float q = 0.2f; q < .9f; q += .2f) {
        OutputStream outStream = new FileOutputStream(new File("c:/Java_Dev/Image-" + q + ".jpg"));
        ImageWriter imgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
        ImageOutputStream ioStream = ImageIO.createImageOutputStream(outStream);
        imgWriter.setOutput(ioStream);/* ww w .  j  av  a  2 s .c  o m*/

        JPEGImageWriteParam jpegParams = new JPEGImageWriteParam(Locale.getDefault());
        jpegParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        jpegParams.setCompressionQuality(q);

        imgWriter.write(null, new IIOImage(bi, null, null), jpegParams);

        ioStream.flush();
        ioStream.close();
        imgWriter.dispose();
    }
}

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From source file:Main.java

static public void main(String args[]) throws Exception {
    FileInputStream fin = new FileInputStream("a.gif");
    Iterator readers = ImageIO.getImageReadersBySuffix("GIF");
    ImageReader imageReader = (ImageReader) readers.next();
    ImageInputStream iis = ImageIO.createImageInputStream(fin);
    imageReader.setInput(iis, false);/*from   ww  w  .java 2 s . c om*/

    imageReader.addIIOReadProgressListener(new IIOReadProgressListener() {
        public void imageComplete(ImageReader source) {
            System.out.println("image complete " + source);
        }

        public void imageProgress(ImageReader source, float percentageDone) {
            System.out.println("image progress " + source + ": " + percentageDone + "%");
        }

        public void imageStarted(ImageReader source, int imageIndex) {
            System.out.println("image #" + imageIndex + " started " + source);
        }

        public void readAborted(ImageReader source) {
            System.out.println("read aborted " + source);
        }

        public void sequenceComplete(ImageReader source) {
            System.out.println("sequence complete " + source);
        }

        public void sequenceStarted(ImageReader source, int minIndex) {
            System.out.println("sequence started " + source + ": " + minIndex);
        }

        public void thumbnailComplete(ImageReader source) {
            System.out.println("thumbnail complete " + source);
        }

        public void thumbnailProgress(ImageReader source, float percentageDone) {
            System.out.println("thumbnail started " + source + ": " + percentageDone + "%");
        }

        public void thumbnailStarted(ImageReader source, int imageIndex, int thumbnailIndex) {
            System.out.println("thumbnail progress " + source + ", " + thumbnailIndex + " of " + imageIndex);
        }
    });

    BufferedImage image = imageReader.read(0);

    Iterator imageWriters = ImageIO.getImageWritersBySuffix("JPG");
    ImageWriter imageWriter = (ImageWriter) imageWriters.next();
    File file = new File("b.JPG");
    ImageOutputStream ios = ImageIO.createImageOutputStream(file);
    imageWriter.setOutput(ios);
    imageWriter.write(image);
}

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From source file:Main.java

private static void writeJpegCompressedImage(BufferedImage image, String outFile) throws IOException {
    float qualityFloat = 1f;
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();

    ImageWriter imgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
    ImageOutputStream ioStream = ImageIO.createImageOutputStream(outStream);
    imgWriter.setOutput(ioStream);// w w  w .ja  v a 2s  . c o  m

    JPEGImageWriteParam jpegParams = new JPEGImageWriteParam(Locale.getDefault());
    jpegParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    jpegParams.setCompressionQuality(qualityFloat);

    imgWriter.write(null, new IIOImage(image, null, null), jpegParams);

    ioStream.flush();
    ioStream.close();
    imgWriter.dispose();

    OutputStream outputStream = new FileOutputStream(outFile);
    outStream.writeTo(outputStream);

}

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From source file:ChartServlet.java

/** Draw a Graphical Chart in response to a user request */
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

    response.setContentType("image/jpeg");

    // Create an Image
    BufferedImage img = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB);

    // Get the Image's Graphics, and draw.
    Graphics2D g = img.createGraphics();

    // In real life this would call some charting software...
    g.setColor(Color.white);/*ww  w .j  ava 2 s.  c o  m*/
    g.fillRect(0, 0, W, H);
    g.setColor(Color.green);
    g.fillOval(100, 75, 50, 50);

    // Write the output
    OutputStream os = response.getOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(os);

    if (!ImageIO.write(img, "jpeg", ios)) {
        log("Boo hoo, failed to write JPEG");
    }
    ios.close();
    os.close();
}

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From source file:org.modelibra.util.ImageHandler.java

/**
 * Saves an image to a jpeg file.//from  www.  j ava2s.  co  m
 * 
 * @param bi
 *            buffered image
 * @param file
 *            jpeg file
 * @param quality
 *            image quality
 */
public static void saveImageToJPEGFile14(BufferedImage bi, File file, float quality) throws IOException {

    JPEGImageWriteParam param = new JPEGImageWriteParam(null);
    ImageTypeSpecifier type = new ImageTypeSpecifier(bi);
    param.setDestinationType(type);
    ImageOutputStream imgos = ImageIO.createImageOutputStream(file);
    Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("jpeg");
    ImageWriter writer = writers.next();
    writer.setOutput(imgos);
    writer.write(bi);
    imgos.close();
}

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From source file:com.openkm.applet.Util.java

/**
 * Upload scanned document to OpenKM/*from   www  . jav  a 2  s  .c  om*/
 * 
 */
public static String createDocument(String token, String path, String fileName, String fileType, String url,
        List<BufferedImage> images) throws MalformedURLException, IOException {
    log.info("createDocument(" + token + ", " + path + ", " + fileName + ", " + fileType + ", " + url + ", "
            + images + ")");
    File tmpDir = createTempDir();
    File tmpFile = new File(tmpDir, fileName + "." + fileType);
    ImageOutputStream ios = ImageIO.createImageOutputStream(tmpFile);
    String response = "";

    try {
        if ("pdf".equals(fileType)) {
            ImageUtils.writePdf(images, ios);
        } else if ("tif".equals(fileType)) {
            ImageUtils.writeTiff(images, ios);
        } else {
            if (!ImageIO.write(images.get(0), fileType, ios)) {
                throw new IOException("Not appropiated writer found!");
            }
        }

        ios.flush();
        ios.close();

        if (token != null) {
            // Send image
            HttpClient client = new DefaultHttpClient();
            MultipartEntity form = new MultipartEntity();
            form.addPart("file", new FileBody(tmpFile));
            form.addPart("path", new StringBody(path, Charset.forName("UTF-8")));
            form.addPart("action", new StringBody("0")); // FancyFileUpload.ACTION_INSERT
            HttpPost post = new HttpPost(url + "/frontend/FileUpload;jsessionid=" + token);
            post.setHeader("Cookie", "jsessionid=" + token);
            post.setEntity(form);
            ResponseHandler<String> responseHandler = new BasicResponseHandler();
            response = client.execute(post, responseHandler);
        } else {
            // Store in disk
            String home = System.getProperty("user.home");
            File dst = new File(home, tmpFile.getName());
            copyFile(tmpFile, dst);
            response = "Image copied to " + dst.getPath();
        }
    } finally {
        FileUtils.deleteQuietly(tmpDir);
    }

    log.info("createDocument: " + response);
    return response;
}

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From source file:ImageUtil.java

/**
 * store BufferedImage to file/*from   w  ww  . jav  a  2  s . c om*/
 * @param image BufferedImage
 * @param outputFile output image file
 * @param quality quality of output image
 * @return true success, else fail
 */
public static boolean storeImage(BufferedImage image, File outputFile, float quality) {
    try {
        //reconstruct folder structure for image file output
        if (outputFile.getParentFile() != null && !outputFile.getParentFile().exists()) {
            outputFile.getParentFile().mkdirs();
        }
        if (outputFile.exists()) {
            outputFile.delete();
        }
        //get image file suffix
        String extName = "png";
        //get registry ImageWriter for specified image suffix
        Iterator writers = ImageIO.getImageWritersByFormatName(extName);
        ImageWriter imageWriter = (ImageWriter) writers.next();
        //set image output params
        ImageWriteParam params = new JPEGImageWriteParam(null);
        params.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        params.setCompressionQuality(quality);
        params.setProgressiveMode(javax.imageio.ImageWriteParam.MODE_DISABLED);
        params.setDestinationType(new ImageTypeSpecifier(IndexColorModel.getRGBdefault(),
                IndexColorModel.getRGBdefault().createCompatibleSampleModel(16, 16)));
        //writer image to file
        ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(outputFile);
        imageWriter.setOutput(imageOutputStream);
        imageWriter.write(null, new IIOImage(image, null, null), params);
        imageOutputStream.close();
        imageWriter.dispose();
        return true;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

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From source file:io.warp10.script.processing.Pencode.java

@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {
    Object top = stack.pop();/*from   w w w.j a v a  2s  . c om*/

    if (!(top instanceof processing.core.PGraphics)) {
        throw new WarpScriptException(getName() + " operates on a PGraphics instance.");
    }

    processing.core.PGraphics pg = (processing.core.PGraphics) top;

    pg.endDraw();

    BufferedImage bimage = new BufferedImage(pg.pixelWidth, pg.pixelHeight, BufferedImage.TYPE_INT_ARGB);
    bimage.setRGB(0, 0, pg.pixelWidth, pg.pixelHeight, pg.pixels, 0, pg.pixelWidth);
    Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("png");
    ImageWriter writer = null;
    if (iter.hasNext()) {
        writer = iter.next();
    }
    ImageWriteParam param = writer.getDefaultWriteParam();
    IIOMetadata metadata = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BufferedOutputStream output = new BufferedOutputStream(baos);

    try {
        writer.setOutput(ImageIO.createImageOutputStream(output));
        writer.write(metadata, new IIOImage(bimage, null, metadata), param);
    } catch (IOException ioe) {
        throw new WarpScriptException(getName() + " error while encoding PGraphics.", ioe);
    }

    writer.dispose();

    StringBuilder sb = new StringBuilder("data:image/png;base64,");
    sb.append(Base64.encodeBase64String(baos.toByteArray()));

    stack.push(sb.toString());

    //
    // Re-issue a 'beginDraw' so we can continue using the PGraphics instance
    //

    pg.beginDraw();

    return stack;
}

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From source file:doge.photo.DogePhotoManipulator.java

@Override
public Photo manipulate(Photo photo) throws IOException {
    BufferedImage sourceImage = readImage(photo);
    BufferedImage destinationImage = manipulate(sourceImage);
    Photo resultPhoto = () -> {// w w  w  . ja  va2 s  . c o m
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(outputStream);
        ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionQuality(0.85f);
        writer.setOutput(ios);
        writer.write(null, new IIOImage(destinationImage, null, null), param);
        ImageIO.write(destinationImage, "jpeg", outputStream);
        return new ByteArrayInputStream(outputStream.toByteArray());
    };
    return resultPhoto;
}

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