Examples with TiffParser loci.formats.tiff.TiffParser used on opensource projects

Example 41 with TiffParser

use of loci.formats.tiff.TiffParser in project bioformats by openmicroscopy.

the class DNGReader method initStandardMetadata.

// -- Internal BaseTiffReader API methods --
/* @see BaseTiffReader#initStandardMetadata() */
@Override
protected void initStandardMetadata() throws FormatException, IOException {
    super.initStandardMetadata();
    // reset image dimensions
    // the actual image data is stored in IFDs referenced by the SubIFD tag
    // in the 'real' IFD
    CoreMetadata m = core.get(0);
    m.imageCount = ifds.size();
    IFD firstIFD = ifds.get(0);
    PhotoInterp photo = firstIFD.getPhotometricInterpretation();
    int samples = firstIFD.getSamplesPerPixel();
    m.rgb = samples > 1 || photo == PhotoInterp.RGB || photo == PhotoInterp.CFA_ARRAY;
    if (photo == PhotoInterp.CFA_ARRAY)
        samples = 3;
    m.sizeX = (int) firstIFD.getImageWidth();
    m.sizeY = (int) firstIFD.getImageLength();
    m.sizeZ = 1;
    m.sizeC = isRGB() ? samples : 1;
    m.sizeT = ifds.size();
    m.pixelType = FormatTools.UINT16;
    m.indexed = false;
    // now look for the EXIF IFD pointer
    IFDList exifIFDs = tiffParser.getExifIFDs();
    if (exifIFDs.size() > 0) {
        IFD exifIFD = exifIFDs.get(0);
        tiffParser.fillInIFD(exifIFD);
        for (Integer key : exifIFD.keySet()) {
            int tag = key.intValue();
            String name = IFD.getIFDTagName(tag);
            if (tag == IFD.CFA_PATTERN) {
                byte[] cfa = (byte[]) exifIFD.get(key);
                int[] colorMap = new int[cfa.length];
                for (int i = 0; i < cfa.length; i++) colorMap[i] = (int) cfa[i];
                addGlobalMeta(name, colorMap);
                cfaPattern = colorMap;
            } else {
                addGlobalMeta(name, exifIFD.get(key));
                if (name.equals("MAKER_NOTE")) {
                    byte[] b = (byte[]) exifIFD.get(key);
                    int offset = DataTools.bytesToInt(b, b.length - 4, isLittleEndian());
                    byte[] buf = new byte[b.length + offset - 8];
                    System.arraycopy(b, b.length - 8, buf, 0, 8);
                    System.arraycopy(b, 0, buf, offset, b.length - 8);
                    RandomAccessInputStream makerNote = new RandomAccessInputStream(buf);
                    TiffParser tp = new TiffParser(makerNote);
                    IFD note = null;
                    try {
                        note = tp.getFirstIFD();
                    } catch (Exception e) {
                        LOGGER.debug("Failed to parse first IFD", e);
                    }
                    if (note != null) {
                        for (Integer nextKey : note.keySet()) {
                            int nextTag = nextKey.intValue();
                            addGlobalMeta(name, note.get(nextKey));
                            if (nextTag == WHITE_BALANCE_RGB_COEFFS) {
                                if (note.get(nextTag) instanceof TiffRational[]) {
                                    TiffRational[] wb = (TiffRational[]) note.get(nextTag);
                                    whiteBalance = new double[wb.length];
                                    for (int i = 0; i < wb.length; i++) {
                                        whiteBalance[i] = wb[i].doubleValue();
                                    }
                                } else {
                                    // use a default white balance table
                                    whiteBalance = new double[3];
                                    whiteBalance[0] = 2.391381;
                                    whiteBalance[1] = 0.929156;
                                    whiteBalance[2] = 1.298254;
                                }
                            }
                        }
                    }
                    makerNote.close();
                }
            }
        }
    }
}

Example 42 with TiffParser

use of loci.formats.tiff.TiffParser in project bioformats by openmicroscopy.

the class CellSensReader method reopenFile.

/* @see loci.formats.IFormatReader#reopenFile() */
public void reopenFile() throws IOException {
    super.reopenFile();
    parser = new TiffParser(currentId);
}

Example 43 with TiffParser

use of loci.formats.tiff.TiffParser in project bioformats by openmicroscopy.

the class APLReader method openBytes.

/**
 * @see loci.formats.IFormatReader#openBytes(int, byte[], int, int, int, int)
 */
@Override
public byte[] openBytes(int no, byte[] buf, int x, int y, int w, int h) throws FormatException, IOException {
    FormatTools.checkPlaneParameters(this, no, buf.length, x, y, w, h);
    if (parser == null) {
        parser = new TiffParser[getSeriesCount()];
    }
    if (parser[getSeries()] == null) {
        parser[getSeries()] = new TiffParser(tiffFiles[getSeries()]);
        parser[getSeries()].setDoCaching(false);
    }
    IFD ifd = ifds[getSeries()].get(no);
    return parser[getSeries()].getSamples(ifd, buf, x, y, w, h);
}

Example 44 with TiffParser

use of loci.formats.tiff.TiffParser in project bioformats by openmicroscopy.

the class BDReader method getTimestamp.

private long getTimestamp(String file) throws FormatException, IOException {
    RandomAccessInputStream s = new RandomAccessInputStream(file, 16);
    TiffParser parser = new TiffParser(s);
    parser.setDoCaching(false);
    IFD firstIFD = parser.getFirstIFD();
    if (firstIFD != null) {
        TiffIFDEntry timestamp = (TiffIFDEntry) firstIFD.get(IFD.DATE_TIME);
        if (timestamp != null) {
            String stamp = parser.getIFDValue(timestamp).toString();
            s.close();
            stamp = DateTools.formatDate(stamp, BaseTiffReader.DATE_FORMATS, ".");
            Timestamp t = Timestamp.valueOf(stamp);
            // NPE if invalid input.
            return t.asInstant().getMillis();
        }
    }
    s.close();
    return new Location(file).lastModified();
}

Example 45 with TiffParser

use of loci.formats.tiff.TiffParser in project bioformats by openmicroscopy.

the class TiffPixelsTest method readSavedPlane.

// -- Helper method --
private byte[] readSavedPlane() throws FormatException, IOException {
    ByteArrayHandle savedData = new ByteArrayHandle();
    RandomAccessOutputStream out = new RandomAccessOutputStream(savedData);
    RandomAccessInputStream in = new RandomAccessInputStream(savedData);
    TiffSaver saver = new TiffSaver(out, savedData);
    // saver.setInputStream(in);
    saver.writeImage(data, ifd, 0, FormatTools.UINT16, false);
    out.close();
    TiffParser parser = new TiffParser(in);
    byte[] plane = new byte[data.length];
    parser.getSamples(ifd, plane);
    in.close();
    return plane;
}