Examples with ExifThumbnailDirectory com.drew.metadata.exif.ExifThumbnailDirectory used on opensource projects

Example 1 with ExifThumbnailDirectory

use of com.drew.metadata.exif.ExifThumbnailDirectory in project UniversalMediaServer by UniversalMediaServer.

the class ExifInfo method parseMetadata.

@SuppressFBWarnings("SF_SWITCH_NO_DEFAULT")
@Override
protected void parseMetadata(Metadata metadata) {
    if (metadata == null) {
        return;
    }
    ((ExifParseInfo) parsedInfo).hasExifThumbnail = false;
    for (Directory directory : metadata.getDirectories()) {
        if (directory instanceof ExifIFD0Directory || directory instanceof ExifSubIFDDirectory) {
            if (// Prefer Exif SubIFD Exif image width and height as they seem to be more accurate.
            directory instanceof ExifSubIFDDirectory && ((ExifSubIFDDirectory) directory).containsTag(ExifSubIFDDirectory.TAG_EXIF_IMAGE_WIDTH) && ((ExifSubIFDDirectory) directory).containsTag(ExifSubIFDDirectory.TAG_EXIF_IMAGE_HEIGHT)) {
                parsedInfo.width = ((ExifSubIFDDirectory) directory).getInteger(ExifSubIFDDirectory.TAG_EXIF_IMAGE_WIDTH);
                parsedInfo.height = ((ExifSubIFDDirectory) directory).getInteger(ExifSubIFDDirectory.TAG_EXIF_IMAGE_HEIGHT);
            } else if ((parsedInfo.width == null || parsedInfo.height == null || parsedInfo.width < 1 || parsedInfo.height < 1) && ((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_IMAGE_WIDTH) && ((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_IMAGE_HEIGHT)) {
                parsedInfo.width = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_IMAGE_WIDTH);
                parsedInfo.height = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_IMAGE_HEIGHT);
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_ORIENTATION)) {
                Integer i = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_ORIENTATION);
                if (i != null) {
                    ((ExifParseInfo) parsedInfo).exifOrientation = ExifOrientation.typeOf(i);
                }
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_COMPRESSION) && ((ExifParseInfo) parsedInfo).exifCompression == null) {
                Integer i = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_COMPRESSION);
                if (i != null) {
                    ((ExifParseInfo) parsedInfo).exifCompression = ExifCompression.typeOf(i);
                }
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_BITS_PER_SAMPLE) && ((ExifParseInfo) parsedInfo).exifCompression == ExifCompression.UNCOMPRESSED) {
                byte[] bytes = ((ExifDirectoryBase) directory).getByteArray(ExifDirectoryBase.TAG_BITS_PER_SAMPLE);
                if (bytes != null && bytes.length > 0) {
                    Integer i;
                    try {
                        i = Integer.valueOf(ImagesUtil.getBitDepthFromArray(bytes));
                    } catch (InvalidStateException e) {
                        i = null;
                        LOGGER.trace("Unexpected bit depth array retrieved from Exif tag: {}", Arrays.toString(bytes));
                    }
                    if (i != null && i.intValue() > 0) {
                        parsedInfo.bitDepth = i;
                    }
                }
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_SAMPLES_PER_PIXEL) && parsedInfo.numComponents == null) {
                Integer i = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_SAMPLES_PER_PIXEL);
                if (i != null) {
                    parsedInfo.numComponents = i;
                }
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_PHOTOMETRIC_INTERPRETATION)) {
                Integer i = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_PHOTOMETRIC_INTERPRETATION);
                if (i != null) {
                    ((ExifParseInfo) parsedInfo).photometricInterpretation = PhotometricInterpretation.typeOf(i);
                    if (((ExifParseInfo) parsedInfo).photometricInterpretation != null) {
                        switch(((ExifParseInfo) parsedInfo).photometricInterpretation) {
                            case RGB:
                            case RGB_PALETTE:
                                parsedInfo.colorSpaceType = ColorSpaceType.TYPE_RGB;
                                break;
                            case Y_CB_CR:
                                parsedInfo.colorSpaceType = ColorSpaceType.TYPE_YCbCr;
                                break;
                            case CMYK:
                                parsedInfo.colorSpaceType = ColorSpaceType.TYPE_CMYK;
                                break;
                            case CIE_LAB:
                            case ICC_LAB:
                            case ITU_LAB:
                                parsedInfo.colorSpaceType = ColorSpaceType.TYPE_Lab;
                                break;
                            case PIXAR_LOG_LUV:
                                parsedInfo.colorSpaceType = ColorSpaceType.TYPE_Luv;
                                break;
                            default:
                        }
                    }
                }
            }
            if (((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_EXIF_VERSION)) {
                byte[] bytes = ((ExifDirectoryBase) directory).getByteArray(ExifDirectoryBase.TAG_EXIF_VERSION);
                if (bytes != null) {
                    ((ExifParseInfo) parsedInfo).exifVersion = ImagesUtil.parseExifVersion(bytes);
                }
            }
            if (directory instanceof ExifIFD0Directory && ((ExifDirectoryBase) directory).containsTag(ExifDirectoryBase.TAG_COLOR_SPACE)) {
                Integer i = ((ExifDirectoryBase) directory).getInteger(ExifDirectoryBase.TAG_COLOR_SPACE);
                if (i != null) {
                    ((ExifParseInfo) parsedInfo).exifColorSpace = ExifColorSpace.typeOf(i.intValue());
                }
            }
        } else if (directory instanceof ExifThumbnailDirectory && !((ExifParseInfo) parsedInfo).hasExifThumbnail.booleanValue()) {
            if (((ExifThumbnailDirectory) directory).containsTag(ExifThumbnailDirectory.TAG_THUMBNAIL_LENGTH)) {
                Integer i = ((ExifThumbnailDirectory) directory).getInteger(ExifThumbnailDirectory.TAG_THUMBNAIL_LENGTH);
                ((ExifParseInfo) parsedInfo).hasExifThumbnail = Boolean.valueOf(i != null && i.intValue() > 0);
            }
        }
    }
}