Package com.drew.lang

Examples of com.drew.lang.ByteArrayReader

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    {
        try {
            final byte bytes[] = _directory.getByteArray(PhotoshopDirectory.TAG_PHOTOSHOP_SLICES);
            if (bytes == null)
                return null;
            BufferReader reader = new ByteArrayReader(bytes);
            int nameLength = reader.getInt32(20);
            String name = reader.getString(24, nameLength * 2, "UTF-16");
            int pos = 24 + nameLength * 2;
            int sliceCount = reader.getInt32(pos);
            //pos += 4;
            return String.format("%s (%d,%d,%d,%d) %d Slices",
                    name, reader.getInt32(4), reader.getInt32(8), reader.getInt32(12), reader.getInt32(16), sliceCount);
            /*for (int i=0;i<sliceCount;i++){
                pos+=16;
                int slNameLen=getInt32(b,pos);
                pos+=4;
                String slName=new String(b, pos, slNameLen*2,"UTF-16");
 
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    {
        try {
            byte[] v = _directory.getByteArray(tagType);
            if (v == null)
                return null;
            BufferReader reader = new ByteArrayReader(v);
            //int pos = 0;
            int format = reader.getInt32(0);
            //pos += 4;
            int width = reader.getInt32(4);
            //pos += 4;
            int height = reader.getInt32(8);
            //pos += 4;
            //pos += 4; //skip WidthBytes
            int totalSize = reader.getInt32(16);
            //pos += 4;
            int compSize = reader.getInt32(20);
            //pos += 4;
            int bpp = reader.getInt32(24);
            //pos+=2;
            //pos+=2; //skip Number of planes
            //int thumbSize=v.length-pos;
            return String.format("%s, %dx%d, Decomp %d bytes, %d bpp, %d bytes",
                    format == 1 ? "JpegRGB" : "RawRGB",
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    private String get32BitNumberString(int tag)
    {
        byte[] bytes = _directory.getByteArray(tag);
        if (bytes == null)
            return null;
        BufferReader reader = new ByteArrayReader(bytes);
        try {
            return String.format("%d", reader.getInt32(0));
        } catch (BufferBoundsException e) {
            return null;
        }
    }
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                directory.setByteArray(tagType, tagBytes);

                // TODO allow rebasing the reader with a new zero-point, rather than copying data here
                if (tagType == PhotoshopDirectory.TAG_PHOTOSHOP_IPTC)
                    new IptcReader().extract(new ByteArrayReader(tagBytes), metadata);

                if (tagType >= 0x0fa0 && tagType <= 0x1387)
                    PhotoshopDirectory._tagNameMap.put(tagType, String.format("Plug-in %d Data", tagType - 0x0fa0 + 1));
            } catch (BufferBoundsException ex) {
                directory.addError(ex.getMessage());
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    @Nullable
    private String getTagDataString(int tagType)
    {
        try {
            byte[] bytes = _directory.getByteArray(tagType);
            BufferReader reader = new ByteArrayReader(bytes);
            int iccTagType = reader.getInt32(0);
            switch (iccTagType) {
                case ICC_TAG_TYPE_TEXT:
                    try {
                        return new String(bytes, 8, bytes.length - 8 - 1, "ASCII");
                    } catch (UnsupportedEncodingException ex) {
                        return new String(bytes, 8, bytes.length - 8 - 1);
                    }
                case ICC_TAG_TYPE_DESC:
                    int stringLength = reader.getInt32(8);
                    return new String(bytes, 12, stringLength - 1);
                case ICC_TAG_TYPE_SIG:
                    return IccReader.getStringFromInt32(reader.getInt32(8));
                case ICC_TAG_TYPE_MEAS: {
                    int observerType = reader.getInt32(8);
                    float x = reader.getS15Fixed16(12);
                    float y = reader.getS15Fixed16(16);
                    float z = reader.getS15Fixed16(20);
                    int geometryType = reader.getInt32(24);
                    float flare = reader.getS15Fixed16(28);
                    int illuminantType = reader.getInt32(32);
                    String observerString;
                    switch (observerType) {
                        case 0:
                            observerString = "Unknown";
                            break;
                        case 1:
                            observerString = "1931 2°";
                            break;
                        case 2:
                            observerString = "1964 10°";
                            break;
                        default:
                            observerString = String.format("Unknown %d", observerType);
                    }
                    String geometryString;
                    switch (geometryType) {
                        case 0:
                            geometryString = "Unknown";
                            break;
                        case 1:
                            geometryString = "0/45 or 45/0";
                            break;
                        case 2:
                            geometryString = "0/d or d/0";
                            break;
                        default:
                            geometryString = String.format("Unknown %d", observerType);
                    }
                    String illuminantString;
                    switch (illuminantType) {
                        case 0:
                            illuminantString = "unknown";
                            break;
                        case 1:
                            illuminantString = "D50";
                            break;
                        case 2:
                            illuminantString = "D65";
                            break;
                        case 3:
                            illuminantString = "D93";
                            break;
                        case 4:
                            illuminantString = "F2";
                            break;
                        case 5:
                            illuminantString = "D55";
                            break;
                        case 6:
                            illuminantString = "A";
                            break;
                        case 7:
                            illuminantString = "Equi-Power (E)";
                            break;
                        case 8:
                            illuminantString = "F8";
                            break;
                        default:
                            illuminantString = String.format("Unknown %d", illuminantType);
                            break;
                    }
                    return String.format("%s Observer, Backing (%s, %s, %s), Geometry %s, Flare %d%%, Illuminant %s",
                            observerString, x, y, z, geometryString, Math.round(flare * 100), illuminantString);
                }
                case ICC_TAG_TYPE_XYZ_ARRAY: {
                    StringBuilder res = new StringBuilder();
                    int count = (bytes.length - 8) / 12;
                    for (int i = 0; i < count; i++) {
                        float x = reader.getS15Fixed16(8 + i * 12);
                        float y = reader.getS15Fixed16(8 + i * 12 + 4);
                        float z = reader.getS15Fixed16(8 + i * 12 + 8);
                        if (i > 0)
                            res.append(", ");
                        res.append("(").append(x).append(", ").append(y).append(", ").append(z).append(")");
                    }
                    return res.toString();
                }
                case ICC_TAG_TYPE_MLUC: {
                    int int1 = reader.getInt32(8);
                    StringBuilder res = new StringBuilder();
                    res.append(int1);
                    //int int2 = reader.getInt32(12);
                    //System.err.format("int1: %d, int2: %d\n", int1, int2);
                    for (int i = 0; i < int1; i++) {
                        String str = IccReader.getStringFromInt32(reader.getInt32(16 + i * 12));
                        int len = reader.getInt32(16 + i * 12 + 4);
                        int ofs = reader.getInt32(16 + i * 12 + 8);
                        String name;
                        try {
                            name = new String(bytes, ofs, len, "UTF-16BE");
                        } catch (UnsupportedEncodingException ex) {
                            name = new String(bytes, ofs, len);
                        }
                        res.append(" ").append(str).append("(").append(name).append(")");
                        //System.err.format("% 3d: %s, len: %d, ofs: %d, \"%s\"\n", i, str, len,ofs,name);
                    }
                    return res.toString();
                }
                case ICC_TAG_TYPE_CURV: {
                    int num = reader.getInt32(8);
                    StringBuilder res = new StringBuilder();
                    for (int i = 0; i < num; i++) {
                        if (i != 0)
                            res.append(", ");
                        res.append(formatDoubleAsString(((float)reader.getUInt16(12 + i * 2)) / 65535.0, 7, false));
                        //res+=String.format("%1.7g",Math.round(((float)iccReader.getInt16(b,12+i*2))/0.065535)/1E7);
                    }
                    return res.toString();
                }
                default:
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    {
        byte[] bytes = getByteArray(PanasonicMakernoteDirectory.TAG_FACE_DETECTION_INFO);
        if (bytes==null)
            return null;

        BufferReader reader = new ByteArrayReader(bytes);
        reader.setMotorolaByteOrder(false);
       
        try {
            int faceCount = reader.getUInt16(0);
            if (faceCount==0)
                return null;
            Face[] faces = new Face[faceCount];

            for (int i = 0; i < faceCount; i++) {
                int offset = 2 + i * 8;
                faces[i] = new Face(
                        reader.getUInt16(offset),
                        reader.getUInt16(offset + 2),
                        reader.getUInt16(offset + 4),
                        reader.getUInt16(offset + 6)
                        , null, null);
            }
            return faces;
        } catch (BufferBoundsException e) {
            return null;
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    {
        byte[] bytes = getByteArray(PanasonicMakernoteDirectory.TAG_FACE_RECOGNITION_INFO);
        if (bytes == null)
            return null;

        BufferReader reader = new ByteArrayReader(bytes);
        reader.setMotorolaByteOrder(false);

        try {
            int faceCount = reader.getUInt16(0);
            if (faceCount==0)
                return null;
            Face[] faces = new Face[faceCount];

            for (int i = 0; i < faceCount; i++) {
                int offset = 4 + i * 44;
                String name = reader.getString(offset, 20, "ASCII").trim();
                String age = reader.getString(offset + 28, 20, "ASCII").trim();
                faces[i] = new Face(
                        reader.getUInt16(offset + 20),
                        reader.getUInt16(offset + 22),
                        reader.getUInt16(offset + 24),
                        reader.getUInt16(offset + 26),
                        name,
                        Age.fromPanasonicString(age));
            }
            return faces;
        } catch (BufferBoundsException e) {
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            throw new NullPointerException("metadata cannot be null");
        if (segmentType == null)
            throw new NullPointerException("segmentType cannot be null");

        try {
            ByteArrayReader reader = new ByteArrayReader(segmentBytes);

            //
            // Check for the header preamble
            //
            try {
                if (!reader.getString(0, JPEG_EXIF_SEGMENT_PREAMBLE.length()).equals(JPEG_EXIF_SEGMENT_PREAMBLE)) {
                    // TODO what do to with this error state?
                    System.err.println("Invalid JPEG Exif segment preamble");
                    return;
                }
            } catch (IOException e) {
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        if (segmentBytes.length <= preambleLength + 1) {
            directory.addError(String.format("Xmp data segment must contain at least %d bytes", preambleLength + 1));
            return;
        }

        ByteArrayReader reader = new ByteArrayReader(segmentBytes);

        String preamble = new String(segmentBytes, 0, preambleLength);
        if (!"http://ns.adobe.com/xap/1.0/\0".equals(preamble)) {
            directory.addError("XMP data segment doesn't begin with 'http://ns.adobe.com/xap/1.0/'");
            return;
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    @Nullable
    private String getTagDataString(int tagType)
    {
        try {
            byte[] bytes = _directory.getByteArray(tagType);
            RandomAccessReader reader = new ByteArrayReader(bytes);
            int iccTagType = reader.getInt32(0);
            switch (iccTagType) {
                case ICC_TAG_TYPE_TEXT:
                    try {
                        return new String(bytes, 8, bytes.length - 8 - 1, "ASCII");
                    } catch (UnsupportedEncodingException ex) {
                        return new String(bytes, 8, bytes.length - 8 - 1);
                    }
                case ICC_TAG_TYPE_DESC:
                    int stringLength = reader.getInt32(8);
                    return new String(bytes, 12, stringLength - 1);
                case ICC_TAG_TYPE_SIG:
                    return IccReader.getStringFromInt32(reader.getInt32(8));
                case ICC_TAG_TYPE_MEAS: {
                    int observerType = reader.getInt32(8);
                    float x = reader.getS15Fixed16(12);
                    float y = reader.getS15Fixed16(16);
                    float z = reader.getS15Fixed16(20);
                    int geometryType = reader.getInt32(24);
                    float flare = reader.getS15Fixed16(28);
                    int illuminantType = reader.getInt32(32);
                    String observerString;
                    switch (observerType) {
                        case 0:
                            observerString = "Unknown";
                            break;
                        case 1:
                            observerString = "1931 2°";
                            break;
                        case 2:
                            observerString = "1964 10°";
                            break;
                        default:
                            observerString = String.format("Unknown %d", observerType);
                    }
                    String geometryString;
                    switch (geometryType) {
                        case 0:
                            geometryString = "Unknown";
                            break;
                        case 1:
                            geometryString = "0/45 or 45/0";
                            break;
                        case 2:
                            geometryString = "0/d or d/0";
                            break;
                        default:
                            geometryString = String.format("Unknown %d", observerType);
                    }
                    String illuminantString;
                    switch (illuminantType) {
                        case 0:
                            illuminantString = "unknown";
                            break;
                        case 1:
                            illuminantString = "D50";
                            break;
                        case 2:
                            illuminantString = "D65";
                            break;
                        case 3:
                            illuminantString = "D93";
                            break;
                        case 4:
                            illuminantString = "F2";
                            break;
                        case 5:
                            illuminantString = "D55";
                            break;
                        case 6:
                            illuminantString = "A";
                            break;
                        case 7:
                            illuminantString = "Equi-Power (E)";
                            break;
                        case 8:
                            illuminantString = "F8";
                            break;
                        default:
                            illuminantString = String.format("Unknown %d", illuminantType);
                            break;
                    }
                    return String.format("%s Observer, Backing (%s, %s, %s), Geometry %s, Flare %d%%, Illuminant %s",
                            observerString, x, y, z, geometryString, Math.round(flare * 100), illuminantString);
                }
                case ICC_TAG_TYPE_XYZ_ARRAY: {
                    StringBuilder res = new StringBuilder();
                    int count = (bytes.length - 8) / 12;
                    for (int i = 0; i < count; i++) {
                        float x = reader.getS15Fixed16(8 + i * 12);
                        float y = reader.getS15Fixed16(8 + i * 12 + 4);
                        float z = reader.getS15Fixed16(8 + i * 12 + 8);
                        if (i > 0)
                            res.append(", ");
                        res.append("(").append(x).append(", ").append(y).append(", ").append(z).append(")");
                    }
                    return res.toString();
                }
                case ICC_TAG_TYPE_MLUC: {
                    int int1 = reader.getInt32(8);
                    StringBuilder res = new StringBuilder();
                    res.append(int1);
                    //int int2 = reader.getInt32(12);
                    //System.err.format("int1: %d, int2: %d\n", int1, int2);
                    for (int i = 0; i < int1; i++) {
                        String str = IccReader.getStringFromInt32(reader.getInt32(16 + i * 12));
                        int len = reader.getInt32(16 + i * 12 + 4);
                        int ofs = reader.getInt32(16 + i * 12 + 8);
                        String name;
                        try {
                            name = new String(bytes, ofs, len, "UTF-16BE");
                        } catch (UnsupportedEncodingException ex) {
                            name = new String(bytes, ofs, len);
                        }
                        res.append(" ").append(str).append("(").append(name).append(")");
                        //System.err.format("% 3d: %s, len: %d, ofs: %d, \"%s\"\n", i, str, len,ofs,name);
                    }
                    return res.toString();
                }
                case ICC_TAG_TYPE_CURV: {
                    int num = reader.getInt32(8);
                    StringBuilder res = new StringBuilder();
                    for (int i = 0; i < num; i++) {
                        if (i != 0)
                            res.append(", ");
                        res.append(formatDoubleAsString(((float)reader.getUInt16(12 + i * 2)) / 65535.0, 7, false));
                        //res+=String.format("%1.7g",Math.round(((float)iccReader.getInt16(b,12+i*2))/0.065535)/1E7);
                    }
                    return res.toString();
                }
                default:
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Related Classes of com.drew.lang.ByteArrayReader

  • com.drew.imaging.jpeg.JpegMetadataReader
  • com.drew.imaging.jpeg.JpegSegmentReaderTest
  • com.drew.imaging.psd.PsdMetadataReader
  • com.drew.imaging.tiff.TiffMetadataReader
  • com.drew.metadata.adobe.AdobeJpegReaderTest
  • com.drew.metadata.exif.ExifReader
  • com.drew.metadata.exif.ExifReaderTest
  • com.drew.metadata.exif.makernotes.PanasonicMakernoteDescriptor
  • com.drew.metadata.exif.makernotes.PanasonicMakernoteDirectory
  • com.drew.metadata.exif.NikonType2MakernoteTest1
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