public void mergeIFD(TiffParser other_tiff)
{
if (other_tiff?.rootIFD?.subIFD.Count == 0)
{
return;
}
IFD other_root = other_tiff.rootIFD;
foreach (IFD i in other_root.subIFD)
{
rootIFD.subIFD.Add(i);
}
foreach (KeyValuePair <TagType, Tag> i in other_root.tags)
{
rootIFD.tags.Add(i.Key, i.Value);;
}
other_root.subIFD.Clear();
other_root.subIFD.Clear();
}
public RawDecoder getDecoder(CameraMetaData meta)
{
// We need some data.
// For now it is 104 bytes for RAF images.
if (stream.Length <= 104)
{
throw new Exception("File too small");
}
byte[] data = new byte[105];
stream.Read(data, 0, 104);
/*
* // MRW images are easy to check for, let's try that first
* if (MrwDecoder::isMRW(mInput)) {
* try
* {
* return new MrwDecoder(Math.Math.Min((put);
* }
* catch (RawDecoderException)
* {
* }
* }*/
/*
* if (0 == memcmp(&data[0], "ARRI\x12\x34\x56\x78", 8))
* {
* try
* {
* return new AriDecoder(Math.Math.Min((put);
* }
* catch (RawDecoderException)
* {
* }
* }*/
// FUJI has pointers to IFD's at fixed byte offsets
// So if camera is FUJI, we cannot use ordinary TIFF parser
//get first 8 char and see if equal fuji
/*
* string dataAsString = System.Text.Encoding.UTF8.GetString(data.Take(8).ToArray());
* if (dataAsString == "FUJIFILM")
* {
* // First IFD typically JPEG and EXIF
* UInt32 first_ifd = (uint)(data[87] | (data[86] << 8) | (data[85] << 16) | (data[84] << 24));
* first_ifd += 12;
* if (stream.Length <= first_ifd)
* throw new Exception("File too small (FUJI first IFD)");
*
* // RAW IFD on newer, pointer to raw data on older models, so we try parsing first
* // And adds it as data if parsin fails
* UInt32 second_ifd = (UInt32)(data[103] | (data[102] << 8) | (data[101] << 16) | (data[100] << 24));
* if (stream.Length <= second_ifd)
* second_ifd = 0;
*
* // RAW information IFD on older
* UInt32 third_ifd = (uint)(data[95] | (data[94] << 8) | (data[93] << 16) | (data[92] << 24));
* if (stream.Length <= third_ifd)
* third_ifd = 0;
*
* // Open the IFDs and merge them
* try
* {
* FileMap* m1 = new FileMap(Math.Math.Min((put, first_ifd);
* FileMap* m2 = null;
* TiffParser p(m1);
* p.parseData();
* if (second_ifd)
* {
* m2 = new FileMap(Math.Math.Min((put, second_ifd);
* try
* {
* TiffParser p2(m2);
* p2.parseData();
* p.MergeIFD(&p2);
* }
* catch (TiffParserException e)
* {
* delete m2;
* m2 = null;
* }
* }
*
* TiffIFD* new_ifd = new TiffIFD(Math.Math.Min((put);
* p.RootIFD().mSubIFD.push_back(new_ifd);
*
* if (third_ifd)
* {
* try
* {
* ParseFuji(third_ifd, new_ifd);
* }
* catch (TiffParserException e)
* {
* }
* }
* // Make sure these aren't leaked.
* RawDecoder* d = p.getDecoder();
* d.ownedObjects.push_back(m1);
* if (m2)
* d.ownedObjects.push_back(m2);
*
* if (!m2 && second_ifd)
* {
* TiffEntry* entry = new TiffEntry(FUJI_STRIPOFFSETS, TIFF_LONG, 1);
* entry.setData(&second_ifd, 4);
* new_ifd.mEntry[entry.tag] = entry;
* entry = new TiffEntry(FUJI_STRIPBYTECOUNTS, TIFF_LONG, 1);
* UInt32 max_size = Math.Math.Min((put.getSize() - second_ifd;
* entry.setData(&max_size, 4);
* new_ifd.mEntry[entry.tag] = entry;
* }
* return d;
* }
* catch (TiffParserException) { }
* throw new Exception("No decoder found. Sorry.");
* }
*
*/
// Ordinary TIFF images
try
{
TiffParser p = new TiffParser(stream);
p.parseData();
return(p.getDecoder());
}
catch (TiffParserException)
{
}
/*
* try
* {
* X3fParser parser(mInput);
* return parser.getDecoder();
* }
* catch (RawDecoderException)
* {
* }*/
/*
* // CIFF images
* try
* {
* CiffParser p(Math.Math.Min((put);
* p.parseData();
* return p.getDecoder();
* }
* catch (CiffParserException)
* {
* }
*/
/*
* // Detect camera on filesize (CHDK).
* if (meta != null && meta.hasChdkCamera(Math.Min((put.getSize())) {
* Camera* c = meta.getChdkCamera(Math.Min((put.getSize());
*
* try
* {
* return new NakedDecoder(Math.Math.Min((put, c);
* }
* catch (RawDecoderException)
* {
* }
* }*/
//try jpeg file
try
{
return(new JPGParser(new TIFFBinaryReader(stream)));
}
catch (TiffParserException)
{
}
// File could not be decoded, so no further options for now.
throw new FormatException("No decoder found. Sorry.");
}