Example usage for javax.imageio ImageWriter setOutput

Introduction

In this page you can find the example usage for javax.imageio ImageWriter setOutput.

Prototype

public void setOutput(Object output) 

Source Link

Document

Sets the destination to the given ImageOutputStream or other Object .

Usage

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 = () -> {//from  w  ww.jav  a  2 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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From source file:io.warp10.script.processing.Pencode.java

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

    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:org.eclipse.birt.chart.device.svg.SVGImage.java

public SVGImage(Image image, URL url, byte[] data) {
    super();//from w  ww.  ja v a 2  s.c  om
    this.image = image;
    this.url = url;
    this.data = data;
    if (url == null && data == null && image instanceof BufferedImage) {
        ImageWriter iw = ImageWriterFactory.instance().createImageWriter("png", "html"); //$NON-NLS-1$ //$NON-NLS-2$

        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
            ImageOutputStream ios = SecurityUtil.newImageOutputStream(baos);
            ImageWriteParam iwp = iw.getDefaultWriteParam();
            iw.setOutput(ios);
            iw.write((IIOMetadata) null, new IIOImage((BufferedImage) image, null, null), iwp);
            ios.close();
            this.data = baos.toByteArray();
            baos.close();
        } catch (IOException e) {
            // do nothing
        } finally {
            iw.dispose();
        }

    }
}

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From source file:org.gallery.web.controller.ImageController.java

public static boolean compressImg(BufferedImage src, File outfile, double d) {
    FileOutputStream out = null;/*from  w w w. j  ava2 s  .c  o  m*/
    ImageWriter imgWrier;
    ImageWriteParam imgWriteParams;

    // ? jpg
    imgWrier = ImageIO.getImageWritersByFormatName("jpg").next();
    imgWriteParams = new javax.imageio.plugins.jpeg.JPEGImageWriteParam(null);
    // ??MODE_EXPLICIT
    imgWriteParams.setCompressionMode(imgWriteParams.MODE_EXPLICIT);
    // ?qality?0~1
    imgWriteParams.setCompressionQuality((float) d);
    imgWriteParams.setProgressiveMode(imgWriteParams.MODE_DISABLED);
    ColorModel colorModel = ColorModel.getRGBdefault();
    // ?
    imgWriteParams.setDestinationType(
            new javax.imageio.ImageTypeSpecifier(colorModel, colorModel.createCompatibleSampleModel(16, 16)));

    try {
        out = new FileOutputStream(outfile);
        imgWrier.reset();
        //  out?write, ImageOutputStream?
        // OutputStream
        imgWrier.setOutput(ImageIO.createImageOutputStream(out));
        // write???
        imgWrier.write(null, new IIOImage(src, null, null), imgWriteParams);
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

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From source file:org.mycore.iview2.frontend.MCRTileCombineServlet.java

/**
 * Transmits combined file or sends thumbnail.
 * Uses {@link HttpServletRequest#getAttribute(String)} to retrieve information generated by {@link #think(MCRServletJob)}.
 * <table>//  ww w. j a v a 2  s. c  o  m
 * <caption>description of {@link HttpServletRequest} attributes</caption>
 * <tr><th>keyName</th><th>type</th><th>description</th></tr>
 * <tr><td>{@link #THUMBNAIL_KEY}</td><td>{@link File}</td><td>.iview2 File with all tiles in it</td></tr>
 * <tr><td>{@link #IMAGE_KEY}</td><td>{@link BufferedImage}</td>
 * <td>generated image if <code>zoomLevel != 0</code> and no implementation of {@link MCRFooterInterface} defined</td></tr>
 * </table>
 */
@Override
protected void render(final MCRServletJob job, final Exception ex) throws Exception {
    if (job.getResponse().isCommitted()) {
        return;
    }
    if (ex != null) {
        throw ex;
    }
    //check for thumnail
    final File iviewFile = ((Path) job.getRequest().getAttribute(THUMBNAIL_KEY)).toFile();
    final BufferedImage combinedImage = (BufferedImage) job.getRequest().getAttribute(IMAGE_KEY);
    if (iviewFile != null && combinedImage == null) {
        sendThumbnail(iviewFile, job.getResponse());
        return;
    }
    //send combined image
    job.getResponse().setHeader("Cache-Control", "max-age=" + MCRTileServlet.MAX_AGE);
    job.getResponse().setContentType("image/jpeg");
    job.getResponse().setDateHeader("Last-Modified", iviewFile.lastModified());
    final Date expires = new Date(System.currentTimeMillis() + MCRTileServlet.MAX_AGE * 1000);
    LOGGER.info("Last-Modified: " + new Date(iviewFile.lastModified()) + ", expire on: " + expires);
    job.getResponse().setDateHeader("Expires", expires.getTime());

    final ImageWriter curImgWriter = imageWriter.get();
    try (ServletOutputStream sout = job.getResponse().getOutputStream();
            ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(sout);) {
        curImgWriter.setOutput(imageOutputStream);
        final IIOImage iioImage = new IIOImage(combinedImage, null, null);
        curImgWriter.write(null, iioImage, imageWriteParam);
    } finally {
        curImgWriter.reset();
    }
}

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From source file:com.alkacon.opencms.v8.weboptimization.CmsOptimizationSprite.java

/**
 * Writes the given image as of the given type to the servlet output stream.<p>
 * /*from w  w  w.j  a v  a2  s. c  o m*/
 * @param image the image to write
 * @param type the type
 * 
 * @throws IOException if something goes wrong
 */
protected void writeImage(BufferedImage image, String type) throws IOException {

    ImageWriter writer = (ImageWriter) ImageIO.getImageWritersByFormatName(type).next();
    ImageOutputStream stream = ImageIO.createImageOutputStream(getJspContext().getResponse().getOutputStream());
    writer.setOutput(stream);
    writer.write(image);
    // We must close the stream now because if we are wrapping a ServletOutputStream,
    // a future gc can commit a stream that used in another thread (very very bad)
    stream.flush();
    stream.close();
    writer.dispose();
}

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From source file:org.apache.jetspeed.security.mfa.impl.CaptchaImageResource.java

/**
 * @param image/*  ww w . j a v a2s  . c  om*/
 *            The image to turn into data
 * @return The image data for this dynamic image
 */
protected byte[] toImageData(final BufferedImage image) throws IOException {
    // Create output stream
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    String format = config.getImageFormat().substring(1);
    // Get image writer for format
    // FIXME: config.getImageFormat()
    final ImageWriter writer = (ImageWriter) ImageIO.getImageWritersByFormatName(format).next();

    // Write out image
    writer.setOutput(ImageIO.createImageOutputStream(out));
    writer.write(image);

    // Return the image data
    return out.toByteArray();
}

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From source file:ScreenCapture.java

private void save() {
    if (ia.getImage() == null) {
        System.out.println("No captured image.");
        return;//from  w  w w .j  a  v a2s .  c  om
    }
    ImageWriter writer = null;
    ImageOutputStream ios = null;

    try {
        Iterator iter = ImageIO.getImageWritersByFormatName("jpeg");

        if (!iter.hasNext()) {
            System.out.println("Unable to save image to jpeg file type.");
            return;
        }
        writer = (ImageWriter) iter.next();
        ios = ImageIO.createImageOutputStream(new File("c:\\a.jpg"));
        writer.setOutput(ios);
        ImageWriteParam iwp = writer.getDefaultWriteParam();
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        iwp.setCompressionQuality(0.95f);
        writer.write(null, new IIOImage((BufferedImage) ia.getImage(), null, null), iwp);
    } catch (Exception e2) {
        e2.printStackTrace();
    }

}

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From source file:de.inren.service.picture.PictureModificationServiceImpl.java

private void writeJpeg(BufferedImage image, File file, float quality) throws IOException {
    ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
    ImageWriteParam iwp = writer.getDefaultWriteParam();
    iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    iwp.setCompressionQuality(quality);//from   w ww.  j a  va2  s .  co  m

    FileImageOutputStream output = new FileImageOutputStream(file);
    writer.setOutput(output);
    writer.write(null, new IIOImage(image, null, null), iwp);
}

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From source file:org.freecine.filmscan.Project.java

private void saveImage(RenderedImage img, File file) {
    // Find a writer for that file extensions
    // Try to determine the file type based on extension
    String ftype = "jpg";
    String imageFname = file.getName();
    int extIndex = imageFname.lastIndexOf(".") + 1;
    if (extIndex > 0) {
        ftype = imageFname.substring(extIndex);
    }//from   w w  w . j  av a  2  s  .c  o m

    ImageWriter writer = null;
    Iterator iter = ImageIO.getImageWritersBySuffix(ftype);
    writer = (ImageWriter) iter.next();

    if (writer != null) {
        ImageOutputStream ios = null;
        try {
            // Prepare output file
            ios = ImageIO.createImageOutputStream(file);
            writer.setOutput(ios);
            // Set some parameters
            ImageWriteParam param = writer.getDefaultWriteParam();
            writer.write(null, new IIOImage(img, null, null), param);

            // Cleanup
            ios.flush();

        } catch (IOException ex) {
            log.severe("Error saving image " + file.getAbsolutePath() + ": " + ex.getMessage());
        } finally {
            if (ios != null) {
                try {
                    ios.close();
                } catch (IOException e) {
                    log.severe("Error closing output stream: " + e.getMessage());
                }
            }
            writer.dispose();
        }
    }
}

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