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:org.dcm4che2.tool.dcm2jpg.Dcm2Jpg.java

private void encodeByImageIO(BufferedImage bi, File dest) throws IOException {
    ImageWriter writer = getImageWriter(imageWriterClassname);
    ImageOutputStream out = null;
    try {//from   w ww  .j  a v a2  s . c om
        out = ImageIO.createImageOutputStream(dest);
        writer.setOutput(out);
        ImageWriteParam iwparam = writer.getDefaultWriteParam();
        if (iwparam.canWriteCompressed()) {
            iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            String[] compressionTypes = iwparam.getCompressionTypes();
            if (compressionTypes != null && compressionTypes.length > 0) {
                if (compressionType != null || iwparam.getCompressionType() == null) {
                    for (int i = 0; i < compressionTypes.length; i++) {
                        if (compressionType == null
                                || compressionTypes[i].compareToIgnoreCase(compressionType) == 0) {
                            iwparam.setCompressionType(compressionTypes[i]);
                            break;
                        }
                    }
                }
            }
            if (imageQuality != null)
                iwparam.setCompressionQuality(imageQuality);
        } else if (imageQuality != null) {
            System.out.println("Selected Image Writer can not compress! imageQuality is ignored!");
        }
        writer.write(null, new IIOImage(bi, null, null), iwparam);
    } finally {
        CloseUtils.safeClose(out);
        writer.dispose();
    }
}

---

From source file:jails.http.converter.BufferedImageHttpMessageConverter.java

public void write(BufferedImage image, MediaType contentType, HttpOutputMessage outputMessage)
        throws IOException, HttpMessageNotWritableException {

    if (contentType == null) {
        contentType = getDefaultContentType();
    }//from   www . j a  va 2 s.  c  o  m
    Assert.notNull(contentType,
            "Count not determine Content-Type, set one using the 'defaultContentType' property");
    outputMessage.getHeaders().setContentType(contentType);
    ImageOutputStream imageOutputStream = null;
    ImageWriter imageWriter = null;
    try {
        imageOutputStream = createImageOutputStream(outputMessage.getBody());
        Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByMIMEType(contentType.toString());
        if (imageWriters.hasNext()) {
            imageWriter = imageWriters.next();
            ImageWriteParam iwp = imageWriter.getDefaultWriteParam();
            process(iwp);
            imageWriter.setOutput(imageOutputStream);
            imageWriter.write(null, new IIOImage(image, null, null), iwp);
        } else {
            throw new HttpMessageNotWritableException(
                    "Could not find javax.imageio.ImageWriter for Content-Type [" + contentType + "]");
        }
    } finally {
        if (imageWriter != null) {
            imageWriter.dispose();
        }
        if (imageOutputStream != null) {
            try {
                imageOutputStream.close();
            } catch (IOException ex) {
                // ignore
            }
        }
    }
}

---

From source file:org.psystems.dicomweb.Dcm2Dcm.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *///  w w w .  j a  v  a2 s. co m
public void recodeImages(File src, File dest) throws IOException {

    ImageReader reader = new DicomImageReaderSpi().createReaderInstance();
    ImageWriter writer = new DicomImageWriterSpi().createWriterInstance();
    FileImageInputStream input = new FileImageInputStream(src);
    reader.setInput(input);
    if (dest.exists())
        dest.delete();
    FileImageOutputStream output = new FileImageOutputStream(dest);
    writer.setOutput(output);
    DicomStreamMetaData streamMeta = (DicomStreamMetaData) reader.getStreamMetadata();
    DicomObject ds = streamMeta.getDicomObject();
    DicomStreamMetaData writeMeta = (DicomStreamMetaData) writer.getDefaultStreamMetadata(null);
    DicomObject newDs = new BasicDicomObject();
    ds.copyTo(newDs);
    writeMeta.setDicomObject(newDs);
    int frames = ds.getInt(Tag.NumberOfFrames, 1);
    LookupTable lut = prepareBitStrip(writeMeta, reader);
    newDs.putString(Tag.TransferSyntaxUID, VR.UI, destinationSyntax.uid());
    if (overwriteObject != null) {
        overwriteObject.copyTo(newDs);
    }
    writer.prepareWriteSequence(writeMeta);
    for (int i = 0; i < frames; i++) {
        WritableRaster r = (WritableRaster) reader.readRaster(i, null);
        ColorModel cm = ColorModelFactory.createColorModel(ds);
        BufferedImage bi = new BufferedImage(cm, r, false, null);
        if (lut != null) {
            lut.lookup(bi.getRaster(), bi.getRaster());
        }
        IIOImage iioimage = new IIOImage(bi, null, null);
        writer.writeToSequence(iioimage, null);
    }
    writer.endWriteSequence();
    output.close();
    input.close();
}

---

From source file:org.psystems.dicomweb.Dcm2DcmCopy.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *//*from   www  .ja va2 s .  c  o  m*/
public void recodeImages(File src, File dest) throws IOException {
    ImageReader reader = new DicomImageReaderSpi().createReaderInstance();
    ImageWriter writer = new DicomImageWriterSpi().createWriterInstance();
    FileImageInputStream input = new FileImageInputStream(src);
    reader.setInput(input);
    if (dest.exists())
        dest.delete();
    FileImageOutputStream output = new FileImageOutputStream(dest);
    writer.setOutput(output);
    DicomStreamMetaData streamMeta = (DicomStreamMetaData) reader.getStreamMetadata();
    DicomObject ds = streamMeta.getDicomObject();
    DicomStreamMetaData writeMeta = (DicomStreamMetaData) writer.getDefaultStreamMetadata(null);
    DicomObject newDs = new BasicDicomObject();
    ds.copyTo(newDs);
    writeMeta.setDicomObject(newDs);
    int frames = ds.getInt(Tag.NumberOfFrames, 1);
    LookupTable lut = prepareBitStrip(writeMeta, reader);
    newDs.putString(Tag.TransferSyntaxUID, VR.UI, destinationSyntax.uid());
    if (overwriteObject != null) {
        overwriteObject.copyTo(newDs);
    }
    writer.prepareWriteSequence(writeMeta);
    for (int i = 0; i < frames; i++) {
        WritableRaster r = (WritableRaster) reader.readRaster(i, null);
        ColorModel cm = ColorModelFactory.createColorModel(ds);
        BufferedImage bi = new BufferedImage(cm, r, false, null);
        if (lut != null) {
            lut.lookup(bi.getRaster(), bi.getRaster());
        }
        IIOImage iioimage = new IIOImage(bi, null, null);
        writer.writeToSequence(iioimage, null);
    }
    writer.endWriteSequence();
    output.close();
    input.close();
}

---

From source file:ImageIOTest.java

/**
 * Save the current image in a file/*from ww w  . jav a  2  s. c om*/
 * @param formatName the file format
 */
public void saveFile(final String formatName) {
    if (images == null)
        return;
    Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName(formatName);
    ImageWriter writer = iter.next();
    JFileChooser chooser = new JFileChooser();
    chooser.setCurrentDirectory(new File("."));
    String[] extensions = writer.getOriginatingProvider().getFileSuffixes();
    chooser.setFileFilter(new FileNameExtensionFilter("Image files", extensions));

    int r = chooser.showSaveDialog(this);
    if (r != JFileChooser.APPROVE_OPTION)
        return;
    File f = chooser.getSelectedFile();
    try {
        ImageOutputStream imageOut = ImageIO.createImageOutputStream(f);
        writer.setOutput(imageOut);

        writer.write(new IIOImage(images[0], null, null));
        for (int i = 1; i < images.length; i++) {
            IIOImage iioImage = new IIOImage(images[i], null, null);
            if (writer.canInsertImage(i))
                writer.writeInsert(i, iioImage, null);
        }
    } catch (IOException e) {
        JOptionPane.showMessageDialog(this, e);
    }
}

---

From source file:org.polymap.core.data.image.ImageEncodeProcessor.java

private void imageioEncodeJPEG(Image image, ChunkedResponseOutputStream out) throws IOException {
    // this code is from http://forums.sun.com/thread.jspa?threadID=5197061
    ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
    ImageWriteParam param = writer.getDefaultWriteParam();
    param.setSourceBands(new int[] { 0, 1, 2 });
    ColorModel cm = new DirectColorModel(24, 0x00ff0000, // Red
            0x0000ff00, // Green
            0x000000ff, // Blue
            0x0); // Alpha
    param.setDestinationType(new ImageTypeSpecifier(cm, cm.createCompatibleSampleModel(1, 1)));

    ImageOutputStream imageOut = ImageIO.createImageOutputStream(out);
    writer.setOutput(imageOut);
    writer.write(null, new IIOImage((RenderedImage) image, null, null), param);
    writer.dispose();/*ww  w .  j av a  2  s.  c o  m*/
    imageOut.close();
}

---

From source file:com.sire.web.CajFacturaEnviadaBean.java

private void savePicture() {
    if (file != null) {
        try {/*from w  w w  . jav a 2  s . com*/
            BufferedImage originalImage = ImageIO.read(file.getInputstream());

            BufferedImage outputImage = new BufferedImage((int) (originalImage.getWidth() * 0.25),
                    (int) (originalImage.getHeight() * 0.25), originalImage.getType());

            Graphics2D g2d = outputImage.createGraphics();
            g2d.drawImage(originalImage, 0, 0, (int) (originalImage.getWidth() * 0.25),
                    (int) (originalImage.getHeight() * 0.25), null);
            g2d.dispose();

            String imagesFolder = System.getProperty("imagesFolder");

            if (imagesFolder == null) {
                String currentUsersHomeDir = System.getProperty("user.home");
                imagesFolder = currentUsersHomeDir + File.separator + "photos";
            }

            Iterator iter = ImageIO.getImageWritersByFormatName("jpeg");
            ImageWriter writer = (ImageWriter) iter.next();
            ImageWriteParam iwp = writer.getDefaultWriteParam();

            iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            float quality = 1.0f; // reduce quality by 0%  
            iwp.setCompressionQuality(quality);

            File f = new File(imagesFolder + File.separator + fileName);
            try (FileImageOutputStream output = new FileImageOutputStream(f)) {
                writer.setOutput(output);

                IIOImage image = new IIOImage(outputImage, null, null);
                writer.write(null, image, iwp);
                writer.dispose();
            }
        } catch (IOException ex) {
            LOGGER.severe(ex.getMessage());
        }
    }
}

---

From source file:com.itextpdf.text.pdf.pdfcleanup.PdfCleanUpRenderListener.java

private byte[] getJPGBytes(BufferedImage image) {
    ByteArrayOutputStream outputStream = null;

    try {/*from   w  ww .j  a v a2  s  .  c o  m*/
        ImageWriter jpgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
        ImageWriteParam jpgWriteParam = jpgWriter.getDefaultWriteParam();
        jpgWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        jpgWriteParam.setCompressionQuality(1.0f);

        outputStream = new ByteArrayOutputStream();
        jpgWriter.setOutput(new MemoryCacheImageOutputStream((outputStream)));
        IIOImage outputImage = new IIOImage(image, null, null);

        jpgWriter.write(null, outputImage, jpgWriteParam);
        jpgWriter.dispose();
        outputStream.flush();

        return outputStream.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        closeOutputStream(outputStream);
    }
}

---

From source file:com.lingxiang2014.util.ImageUtils.java

public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
    Assert.notNull(srcFile);//from ww w .j a v a 2 s. c  om
    Assert.notNull(destFile);
    Assert.state(destWidth > 0);
    Assert.state(destHeight > 0);
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        try {
            BufferedImage srcBufferedImage = ImageIO.read(srcFile);
            int srcWidth = srcBufferedImage.getWidth();
            int srcHeight = srcBufferedImage.getHeight();
            int width = destWidth;
            int height = destHeight;
            if (srcHeight >= srcWidth) {
                width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth));
            } else {
                height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight));
            }
            BufferedImage destBufferedImage = new BufferedImage(destWidth, destHeight,
                    BufferedImage.TYPE_INT_RGB);
            graphics2D = destBufferedImage.createGraphics();
            graphics2D.setBackground(BACKGROUND_COLOR);
            graphics2D.clearRect(0, 0, destWidth, destHeight);
            graphics2D.drawImage(srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH),
                    (destWidth / 2) - (width / 2), (destHeight / 2) - (height / 2), null);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality((float) (DEST_QUALITY / 100.0));
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            if (imageOutputStream != null) {
                try {
                    imageOutputStream.close();
                } catch (IOException e) {
                }
            }
        }
    } else {
        IMOperation operation = new IMOperation();
        operation.thumbnail(destWidth, destHeight);
        operation.gravity("center");
        operation.background(toHexEncoding(BACKGROUND_COLOR));
        operation.extent(destWidth, destHeight);
        operation.quality((double) DEST_QUALITY);
        operation.addImage(srcFile.getPath());
        operation.addImage(destFile.getPath());
        if (type == Type.graphicsMagick) {
            ConvertCmd convertCmd = new ConvertCmd(true);
            if (graphicsMagickPath != null) {
                convertCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        } else {
            ConvertCmd convertCmd = new ConvertCmd(false);
            if (imageMagickPath != null) {
                convertCmd.setSearchPath(imageMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java

public static void writeJpeg(BufferedImage img, float quality, File file) throws IOException {
    if (img == null) {
        return;/*from   w  w  w  .jav  a2s. com*/
    }

    float q = quality;
    if (q < 0) {
        q = 0;
    }
    if (q > 1) {
        q = 1;
    }

    Iterator iter = ImageIO.getImageWritersByFormatName("jpeg");
    ImageWriter writer = (ImageWriter) iter.next();
    ImageWriteParam iwp = writer.getDefaultWriteParam();
    iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    iwp.setCompressionQuality(q); // float between 0 and 1
                                  // 1 specifies minimum compression and maximum quality

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

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• »