Package com.drew.metadata.jpeg

Examples of com.drew.metadata.jpeg.JpegCommentReader

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      // TODO lodge error message within jpeg directory?
    }

    try {
      byte[] jpegCommentSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_COM);
      new JpegCommentReader(jpegCommentSegment).extract(metadata);
    } catch (JpegProcessingException e) {
      // TODO lodge error message within jpegcomment directory?
    }

        return metadata;
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        // NOTE: Unable to utilise JpegReader for the SOF0 frame here, as the decodeParam doesn't contain the byte[]

        // similarly, use only the first Jpeg Comment segment
        byte[][] jpegCommentSegment = decodeParam.getMarkerData(JPEGDecodeParam.COMMENT_MARKER);
        if (jpegCommentSegment != null && jpegCommentSegment[0].length>0) {
            new JpegCommentReader(jpegCommentSegment[0]).extract(metadata);
        }

        return metadata;
    }
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        }

        // There should never be more than one COM segment.
        byte[] comSegment = segmentReader.getSegment(JpegSegmentReader.SEGMENT_COM);
        if (comSegment != null)
            new JpegCommentReader().extract(new ByteArrayReader(comSegment), metadata);

        // Loop through all APP0 segments, looking for a JFIF segment.
        for (byte[] app0Segment : segmentReader.getSegments(JpegSegmentReader.SEGMENT_APP0)) {
            if (app0Segment.length > 3 && new String(app0Segment, 0, 4).equals("JFIF"))
                new JfifReader().extract(new ByteArrayReader(app0Segment), metadata);
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      // TODO lodge error message within jpeg directory?
    }

    try {
      byte[] jpegCommentSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_COM);
      new JpegCommentReader(jpegCommentSegment).extract(metadata);
    } catch (JpegProcessingException e) {
      // TODO lodge error message within jpegcomment directory?
    }

        return metadata;
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        // NOTE: Unable to utilise JpegReader for the SOF0 frame here, as the decodeParam doesn't contain the byte[]

        // similarly, use only the first Jpeg Comment segment
        byte[][] jpegCommentSegment = decodeParam.getMarkerData(JPEGDecodeParam.COMMENT_MARKER);
        if (jpegCommentSegment != null && jpegCommentSegment[0].length>0) {
            new JpegCommentReader(jpegCommentSegment[0]).extract(metadata);
        }

        return metadata;
    }
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        }

        // There should never be more than one COM segment.
        byte[] comSegment = segmentReader.getSegment(JpegSegmentReader.SEGMENT_COM);
        if (comSegment != null)
            new JpegCommentReader().extract(new ByteArrayReader(comSegment), metadata);

        // Loop through all APP1 segments, checking the leading bytes to identify the format of each.
        for (byte[] app1Segment : segmentReader.getSegments(JpegSegmentReader.SEGMENT_APP1)) {
            if (app1Segment.length > 3 && "EXIF".equalsIgnoreCase(new String(app1Segment, 0, 4)))
                new ExifReader().extract(new ByteArrayReader(app1Segment), metadata);
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Related Classes of com.drew.metadata.jpeg.JpegCommentReader

  • com.drew.imaging.jpeg.JpegMetadataReader
  • com.drew.imaging.jpeg.JpegSegmentReader
  • com.drew.metadata.Metadata
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