Moved source into separate src directory due to popular request

[GpsPrune.git] / tim / prune / jpeg / drew / ExifTiffHandler.java

diff --git a/tim/prune/jpeg/drew/ExifTiffHandler.java b/tim/prune/jpeg/drew/ExifTiffHandler.java
deleted file mode 100644 (file)
index a98e720..0000000
--- a/tim/prune/jpeg/drew/ExifTiffHandler.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright 2002-2015 Drew Noakes
- *
- * More information about this project is available at:
- *
- *    https://drewnoakes.com/code/exif/
- *    https://github.com/drewnoakes/metadata-extractor
- */
-package tim.prune.jpeg.drew;
-
-import tim.prune.jpeg.JpegData;
-
-/**
- * Implementation of TiffHandler used for handling TIFF tags according to the Exif standard.
- *
- * @author Drew Noakes https://drewnoakes.com
- */
-public class ExifTiffHandler
-{
-       private JpegData _jpegData = null;
-       private long _thumbnailOffset = -1L, _thumbnailLength = -1L;
-
-       /** This tag is a pointer to the Exif SubIFD. */
-       final int DIR_EXIF_SUB_IFD_OFFSET = 0x8769;
-       /** This tag is a pointer to the Exif GPS IFD. */
-       final int DIR_GPS_INFO_OFFSET = 0x8825;
-
-       private static final int TAG_GPS_LATITUDE_REF  = 0x0001;
-       private static final int TAG_GPS_LATITUDE      = 0x0002;
-       private static final int TAG_GPS_LONGITUDE_REF = 0x0003;
-       private static final int TAG_GPS_LONGITUDE     = 0x0004;
-       private static final int TAG_GPS_ALTITUDE      = 0x0006;
-       private static final int TAG_GPS_BEARING       = 0x0011;
-
-       private static final int TAG_ORIENTATION       = 0x0112;
-       private static final int TAG_THUMBNAIL_OFFSET  = 0x0201;
-       private static final int TAG_THUMBNAIL_LENGTH  = 0x0202;
-
-       private static final int TAG_SUB_ORITIME       = 0x9003;
-       private static final int TAG_SUB_DIGITIME      = 0x9004;
-
-
-       /**
-        * Constructor
-        * @param jpegData data object to populate with received results
-        */
-       public ExifTiffHandler(JpegData jpegData)
-       {
-               _jpegData = jpegData;
-               _thumbnailOffset = _thumbnailLength = -1L;
-       }
-
-       public boolean isTagIfdPointer(int tagType)
-       {
-               if (tagType == DIR_EXIF_SUB_IFD_OFFSET) {
-                       return true;
-               } else if (tagType == DIR_GPS_INFO_OFFSET) {
-                       return true;
-               }
-
-               return false;
-       }
-
-       public void completed(final ByteArrayReader reader, final int tiffHeaderOffset)
-       {
-               // after the extraction process, if we have the correct tags, we may be able to store thumbnail information
-               if (_thumbnailOffset >= 0L && _thumbnailLength > 0L)
-               {
-                       try {
-                               byte[] thumbData = reader.getBytes(tiffHeaderOffset + (int) _thumbnailOffset, (int) _thumbnailLength);
-                               if (thumbData != null)
-                               {
-                                       byte[] thumbCopy = new byte[thumbData.length];
-                                       System.arraycopy(thumbData, 0, thumbCopy, 0, thumbData.length);
-                                       _jpegData.setThumbnailImage(thumbCopy);
-                               }
-                       } catch (ExifException ex) {}
-               }
-       }
-
-       public void setRationalArray(int tagId, Rational[] array)
-       {
-               switch (tagId)
-               {
-                       case TAG_GPS_LATITUDE:
-                               _jpegData.setLatitude(new double[] {array[0].doubleValue(), array[1].doubleValue(),
-                                       array[2].convertToPositiveValue()});
-                               break;
-                       case TAG_GPS_LONGITUDE:
-                               _jpegData.setLongitude(new double[] {array[0].doubleValue(), array[1].doubleValue(),
-                                       array[2].convertToPositiveValue()});
-                               break;
-               }
-       }
-
-       public void setRational(int tagId, Rational rational)
-       {
-               switch (tagId)
-               {
-                       case TAG_GPS_ALTITUDE:
-                               _jpegData.setAltitude(rational.intValue());
-                               return;
-                       case TAG_GPS_BEARING:
-                               _jpegData.setBearing(rational.doubleValue());
-                               return;
-               }
-               // maybe it was an integer passed as a rational?
-               if (rational.getDenominator() == 1L) {
-                       setIntegerValue(tagId, rational.intValue());
-               }
-       }
-
-       public void setString(int tagId, String string)
-       {
-               switch (tagId)
-               {
-                       case TAG_SUB_ORITIME:
-                               _jpegData.setOriginalTimestamp(string);
-                               break;
-                       case TAG_SUB_DIGITIME:
-                               _jpegData.setDigitizedTimestamp(string);
-                               break;
-                       case TAG_GPS_LATITUDE_REF:
-                               _jpegData.setLatitudeRef(string);
-                               break;
-                       case TAG_GPS_LONGITUDE_REF:
-                               _jpegData.setLongitudeRef(string);
-                               break;
-               }
-       }
-
-       public void setIntegerValue(int tagId, int intVal)
-       {
-               switch (tagId)
-               {
-                       case TAG_ORIENTATION:
-                               _jpegData.setOrientationCode(intVal);
-                               break;
-                       case TAG_THUMBNAIL_OFFSET:
-                               _thumbnailOffset = intVal;
-                               break;
-                       case TAG_THUMBNAIL_LENGTH:
-                               _thumbnailLength = intVal;
-                               break;
-               }
-       }
-
-
-       /**
-        * Decide, based on the directory id and the tag id, if we want to parse and process it
-        * @param inDirectoryId
-        * @param childTagId
-        * @return true if the tag should be parsed
-        */
-       public boolean isInterestingTag(int inDirectoryId, int childTagId)
-       {
-               switch (inDirectoryId)
-               {
-                       case DIR_GPS_INFO_OFFSET:
-                               return true;
-                       case DIR_EXIF_SUB_IFD_OFFSET:
-                               return childTagId == TAG_SUB_ORITIME
-                                       || childTagId == TAG_SUB_DIGITIME;
-                       case 0:
-                               return childTagId == TAG_THUMBNAIL_OFFSET
-                                       || childTagId == TAG_THUMBNAIL_LENGTH
-                                       || childTagId == TAG_ORIENTATION;
-               }
-               return false;
-       }
-}