+++ /dev/null
-package tim.prune.drew.jpeg;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Class to hold the GPS data extracted from a Jpeg including position and time
- */
-public class JpegData
-{
- private boolean _exifDataPresent = false;
- private char _latitudeRef = '\0';
- private char _longitudeRef = '\0';
- private byte _altitudeRef = 0;
- private Rational[] _latitude = null;
- private Rational[] _longitude = null;
- private Rational _altitude = null;
- private Rational[] _gpsTimestamp = null;
- private Rational[] _gpsDatestamp = null;
- private String _originalTimestamp = null;
- private int _orientationCode = -1;
- private byte[] _thumbnail = null;
- private ArrayList<String> _errors = null;
-
-
- /**
- * Set the exif data present flag
- */
- public void setExifDataPresent()
- {
- _exifDataPresent = true;
- }
- /**
- * @return true if exif data found
- */
- public boolean getExifDataPresent()
- {
- return _exifDataPresent;
- }
-
- /**
- * Set the latitude reference (N/S)
- * @param inChar character representing reference
- */
- public void setLatitudeRef(char inChar)
- {
- _latitudeRef = inChar;
- }
-
- /**
- * Set the latitude reference (N/S)
- * @param inString string containing reference
- */
- public void setLatitudeRef(String inString)
- {
- if (inString != null && inString.length() == 1)
- setLatitudeRef(inString.charAt(0));
- }
-
- /**
- * Set the latitude
- * @param inValues array of three Rationals for deg-min-sec
- */
- public void setLatitude(Rational[] inValues)
- {
- if (inValues != null && inValues.length == 3)
- _latitude = inValues;
- }
-
- /**
- * Set the longitude reference (E/W)
- * @param inChar character representing reference
- */
- public void setLongitudeRef(char inChar)
- {
- _longitudeRef = inChar;
- }
-
- /**
- * Set the longitude reference (E/W)
- * @param inString string containing reference
- */
- public void setLongitudeRef(String inString)
- {
- if (inString != null && inString.length() == 1)
- setLongitudeRef(inString.charAt(0));
- }
-
- /**
- * Set the longitude
- * @param inValues array of three Rationals for deg-min-sec
- */
- public void setLongitude(Rational[] inValues)
- {
- if (inValues != null && inValues.length == 3)
- _longitude = inValues;
- }
-
- /**
- * Set the altitude reference (sea level / not)
- * @param inByte byte representing reference
- */
- public void setAltitudeRef(byte inByte)
- {
- _altitudeRef = inByte;
- }
-
- /**
- * Set the altitude
- * @param inRational Rational number representing altitude
- */
- public void setAltitude(Rational inRational)
- {
- _altitude = inRational;
- }
-
- /**
- * Set the Gps timestamp
- * @param inValues array of Rationals holding timestamp
- */
- public void setGpsTimestamp(Rational[] inValues)
- {
- _gpsTimestamp = inValues;
- }
-
- /**
- * Set the Gps datestamp
- * @param inValues array of Rationals holding datestamp
- */
- public void setGpsDatestamp(Rational[] inValues)
- {
- _gpsDatestamp = inValues;
- }
-
- /**
- * Set the original timestamp
- * @param inStamp original timestamp of photo
- */
- public void setOriginalTimestamp(String inStamp)
- {
- _originalTimestamp = inStamp;
- }
-
- /**
- * Set the orientation code
- * @param inCode code from exif (1 to 8)
- */
- public void setOrientationCode(int inCode)
- {
- if (inCode >= 1 && inCode <= 8) {
- _orientationCode = inCode;
- }
- }
-
- /** @return latitude ref as char */
- public char getLatitudeRef() { return _latitudeRef; }
- /** @return latitude as array of 3 Rationals */
- public Rational[] getLatitude() { return _latitude; }
- /** @return longitude ref as char */
- public char getLongitudeRef() { return _longitudeRef; }
- /** @return longitude as array of 3 Rationals */
- public Rational[] getLongitude() { return _longitude; }
- /** @return altitude ref as byte (should be 0) */
- public byte getAltitudeRef() { return _altitudeRef; }
- /** @return altitude as Rational */
- public Rational getAltitude() { return _altitude; }
- /** @return Gps timestamp as array of 3 Rationals */
- public Rational[] getGpsTimestamp() { return _gpsTimestamp; }
- /** @return Gps datestamp as array of 3 Rationals */
- public Rational[] getGpsDatestamp() { return _gpsDatestamp; }
- /** @return orientation code (1 to 8) */
- public int getOrientationCode() { return _orientationCode; }
- /** @return original timestamp as string */
- public String getOriginalTimestamp() { return _originalTimestamp; }
-
- /**
- * Set the thumbnail
- * @param inBytes byte array containing thumbnail
- */
- public void setThumbnailImage(byte[] inBytes) {
- _thumbnail = inBytes;
- }
- /** @return thumbnail as byte array */
- public byte[] getThumbnailImage() {
- return _thumbnail;
- }
-
- /**
- * @return rotation required to display photo properly (0 to 3)
- */
- public int getRequiredRotation()
- {
- if (_orientationCode <= 2) { return 0; } // no rotation required
- if (_orientationCode <= 4) { return 2; } // 180 degrees
- if (_orientationCode <= 6) { return 1; } // 270 degrees, so need to rotate by 90
- return 3; // 90 degrees, so need to rotate by 270
- }
-
- /**
- * @return true if data looks valid, ie has at least lat and long
- * (altitude and timestamp optional).
- */
- public boolean isValid()
- {
- return (_latitudeRef == 'N' || _latitudeRef == 'n' || _latitudeRef == 'S' || _latitudeRef == 's')
- && _latitude != null
- && (_longitudeRef == 'E' || _longitudeRef == 'e' || _longitudeRef == 'W' || _longitudeRef == 'w')
- && _longitude != null;
- }
-
- /**
- * Add the given error message to the list of errors
- * @param inError String containing error message
- */
- public void addError(String inError)
- {
- if (_errors == null) _errors = new ArrayList<String>();
- _errors.add(inError);
- }
-
- /**
- * @return the number of errors, if any
- */
- public int getNumErrors()
- {
- if (_errors == null) return 0;
- return _errors.size();
- }
-
- /**
- * @return true if errors occurred
- */
- public boolean hasErrors()
- {
- return getNumErrors() > 0;
- }
-
- /**
- * @return all errors as a list
- */
- public List<String> getErrors()
- {
- return _errors;
- }
-}
projects / GpsPrune.git / blobdiff