public GPSDirectoryEntry(FileReader aPefFile)
{
mPefFile = aPefFile;
mTagID = mPefFile.ReadUI2();
mFieldType = new TIFFValueType((TIFFValueTypes)mPefFile.ReadUI2());
mValueCount = mPefFile.ReadUI4();
mOffset = mPefFile.ReadUI4();
}
protected GPSDirectoryEntry(FileReader aPefFile, ushort aTagID)
{
mPefFile = aPefFile;
mTagID = aTagID;
mFieldType = new TIFFValueType((TIFFValueTypes)mPefFile.ReadUI2());
mValueCount = mPefFile.ReadUI4();
mOffset = mPefFile.ReadUI4();
}
public ImageFileDirectory(FileReader aPefFile)
{
mPefFile = aPefFile;
mEntries = new List <ImageFileDirectoryEntry>();
mEntryCount = mPefFile.ReadUI2();
for (ushort i = 0; i < mEntryCount; i++)
{
ImageFileDirectoryEntry entry = ImageFileDirectoryEntry.CreateImageFileDirectoryEntry(mPefFile);
mEntries.Add(entry);
}
}
public static GPSDirectoryEntry CreateGPSDirectoryEntry(FileReader aPefFile)
{
ushort tagID = aPefFile.ReadUI2();
switch (tagID)
{
case GPSVersionID.TagID:
return(new GPSVersionID(aPefFile, tagID));
case GPSLatitudeRef.TagID:
return(new GPSLatitudeRef(aPefFile, tagID));
case GPSLatitude.TagID:
return(new GPSLatitude(aPefFile, tagID));
case GPSLongitudeRef.TagID:
return(new GPSLongitudeRef(aPefFile, tagID));
case GPSLongitude.TagID:
return(new GPSLongitude(aPefFile, tagID));
case GPSAltitudeRef.TagID:
return(new GPSAltitudeRef(aPefFile, tagID));
case GPSAltitude.TagID:
return(new GPSAltitude(aPefFile, tagID));
case GPSTimeStamp.TagID:
return(new GPSTimeStamp(aPefFile, tagID));
case GPSSatellites.TagID:
return(new GPSSatellites(aPefFile, tagID));
case GPSStatus.TagID:
return(new GPSStatus(aPefFile, tagID));
case GPSMeasureMode.TagID:
return(new GPSMeasureMode(aPefFile, tagID));
case GPSDOP.TagID:
return(new GPSDOP(aPefFile, tagID));
case GPSSpeedRef.TagID:
return(new GPSSpeedRef(aPefFile, tagID));
case GPSSpeed.TagID:
return(new GPSSpeed(aPefFile, tagID));
case GPSTrackRef.TagID:
return(new GPSTrackRef(aPefFile, tagID));
case GPSTrack.TagID:
return(new GPSTrack(aPefFile, tagID));
case GPSImgDirectionRef.TagID:
return(new GPSImgDirectionRef(aPefFile, tagID));
case GPSImgDirection.TagID:
return(new GPSImgDirection(aPefFile, tagID));
case GPSMapDatum.TagID:
return(new GPSMapDatum(aPefFile, tagID));
case GPSDestLatitudeRef.TagID:
return(new GPSDestLatitudeRef(aPefFile, tagID));
case GPSDestLatitude.TagID:
return(new GPSDestLatitude(aPefFile, tagID));
case GPSDestLongitudeRef.TagID:
return(new GPSDestLongitudeRef(aPefFile, tagID));
case GPSDestLongitude.TagID:
return(new GPSDestLongitude(aPefFile, tagID));
case GPSDestBearingRef.TagID:
return(new GPSDestBearingRef(aPefFile, tagID));
case GPSDestBearing.TagID:
return(new GPSDestBearing(aPefFile, tagID));
case GPSDestDistanceRef.TagID:
return(new GPSDestDistanceRef(aPefFile, tagID));
case GPSDestDistance.TagID:
return(new GPSDestDistance(aPefFile, tagID));
case GPSProcessingMethod.TagID:
return(new GPSProcessingMethod(aPefFile, tagID));
case GPSAreaInformation.TagID:
return(new GPSAreaInformation(aPefFile, tagID));
case GPSDateStamp.TagID:
return(new GPSDateStamp(aPefFile, tagID));
case GPSDifferential.TagID:
return(new GPSDifferential(aPefFile, tagID));
default:
return(new GPSDirectoryEntry(aPefFile, tagID));
}
}