Example usage for javax.imageio ImageWriter getDefaultStreamMetadata

Introduction

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

Prototype

public abstract IIOMetadata getDefaultStreamMetadata(ImageWriteParam param);

Source Link

Document

Returns an IIOMetadata object containing default values for encoding a stream of images.

Usage

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.
 *///from   w  w w  .  java 2  s.  c o m
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.
 *///from   w ww. j  a  v a2s  . 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:org.psystems.dicomweb.Dcm2DcmCopy.java

/**
 * Recodes the images from the source transfer syntax, as read from the src
 * file, to the specified destination syntax.
 *///w w w .jav  a2  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();
}

---