use of com.drew.metadata.exif.ExifDirectoryBase 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);
}
}
}
}
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