Example usage for javax.imageio ImageWriter writeToSequence

Introduction

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

Prototype

public void writeToSequence(IIOImage image, ImageWriteParam param) throws IOException 

Source Link

Document

Appends a single image and possibly associated metadata and thumbnails, to the output.

Usage

From source file:net.d53dev.dslfy.web.service.GifService.java

public void saveAnimatedGIF(OutputStream out, List<GifFrame> frames, int loopCount) throws Exception {
    ImageWriter iw = ImageIO.getImageWritersByFormatName("gif").next();

    ImageOutputStream ios = ImageIO.createImageOutputStream(out);
    iw.setOutput(ios);/*from   w w w .  j a v a 2  s .  co  m*/
    iw.prepareWriteSequence(null);

    int p = 0;
    for (GifFrame frame : frames) {
        ImageWriteParam iwp = iw.getDefaultWriteParam();
        IIOMetadata metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(frame.img), iwp);
        this.configureGIFFrame(metadata, String.valueOf(frame.delay / 10L), p++, frame.disposalMethod,
                loopCount);
        IIOImage ii = new IIOImage(frame.img, null, metadata);
        iw.writeToSequence(ii, null);
    }

    iw.endWriteSequence();
    ios.close();
}

---

From source file:org.dcm4che2.tool.dcm2dcm.Dcm2Dcm.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *//*w ww.j  av  a 2  s. com*/
public void recodeImages(File src, File dest) throws IOException {
    ImageReader reader = new DicomImageReaderSpi().createReaderInstance();
    ImageWriter writer = new DicomImageWriterSpi().createWriterInstance();

    DicomStreamMetaData writeMeta = (DicomStreamMetaData) writer.getDefaultStreamMetadata(null);

    DicomObject ds;
    int frames;

    FileImageOutputStream output = null;

    try {
        FileImageInputStream input = new FileImageInputStream(src);

        try {
            reader.setInput(input);
            if (dest.exists())
                dest.delete();
            output = new FileImageOutputStream(dest);
            writer.setOutput(output);
            DicomStreamMetaData streamMeta = (DicomStreamMetaData) reader.getStreamMetadata();
            ds = streamMeta.getDicomObject();

            DicomObject newDs = new BasicDicomObject();
            ds.copyTo(newDs);
            writeMeta.setDicomObject(newDs);
            frames = ds.getInt(Tag.NumberOfFrames, 1);
            newDs.putString(Tag.TransferSyntaxUID, VR.UI, destinationSyntax.uid());
            newDs.putString(Tag.ImplementationClassUID, VR.UI, Implementation.classUID());
            newDs.putString(Tag.ImplementationVersionName, VR.SH, Implementation.versionName());
            if (overwriteObject != null) {
                overwriteObject.copyTo(newDs);
            }
        } finally {
            reader.dispose();
        }
        writer.prepareWriteSequence(writeMeta);
        for (int i = 0; i < frames; i++) {
            FileInputStream inputStream = new FileInputStream(src);
            try {
                WritableRaster r = (WritableRaster) readRaster(inputStream, i);

                ColorModel cm = ColorModelFactory.createColorModel(ds);
                BufferedImage bi = new BufferedImage(cm, r, false, null);
                IIOImage iioimage = new IIOImage(bi, null, null);
                writer.writeToSequence(iioimage, null);
            } catch (NoSuchFieldException ex) {
                System.err.println(ex.toString());
            } catch (IllegalAccessException ex) {
                System.err.println(ex.toString());
            } finally {
                inputStream.close();
            }
        }
        writer.endWriteSequence();
    } finally {
        if (output != null) {
            output.close();
        }
    }
}

---

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.
 *///ww w  . j av 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.
 *///ww  w  .  j  av a  2  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();
}

---