public string GetVersionDescription()
{
try
{
var bytes = Directory.GetByteArray(PhotoshopDirectory.TagVersion);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
var pos = 0;
var ver = reader.GetInt32(0);
pos += 4;
pos++;
var readerLength = reader.GetInt32(5);
pos += 4;
var readerStr = reader.GetString(9, readerLength * 2, Encoding.BigEndianUnicode);
pos += readerLength * 2;
var writerLength = reader.GetInt32(pos);
pos += 4;
var writerStr = reader.GetString(pos, writerLength * 2, Encoding.BigEndianUnicode);
pos += writerLength * 2;
var fileVersion = reader.GetInt32(pos);
return($"{ver} ({readerStr}, {writerStr}) {fileVersion}");
}
catch
{
return(null);
}
}
private static IEnumerable <Face> ParseFaces(byte[] bytes, int firstRecordOffset, int posOffset, int recordLength)
{
if (bytes == null)
{
yield break;
}
var reader = new ByteArrayReader(bytes, isMotorolaByteOrder: false);
int faceCount = reader.GetUInt16(0);
if (faceCount == 0 || bytes.Length < firstRecordOffset + faceCount * recordLength)
{
yield break;
}
posOffset += firstRecordOffset;
for (int i = 0, recordOffset = firstRecordOffset; i < faceCount; i++, recordOffset += recordLength, posOffset += recordLength)
{
yield return(new Face(
x: reader.GetUInt16(posOffset),
y: reader.GetUInt16(posOffset + 2),
width: reader.GetUInt16(posOffset + 4),
height: reader.GetUInt16(posOffset + 6),
name: recordLength == 44 ? reader.GetString(recordOffset, 20, Encoding.UTF8).Trim(' ', '\0') : null,
age: recordLength == 44 ? Age.FromPanasonicString(reader.GetString(recordOffset + 28, 20, Encoding.UTF8).Trim(' ', '\0')) : null));
}
}
public virtual string GetVersionDescription()
{
try
{
sbyte[] bytes = _directory.GetByteArray(PhotoshopDirectory.TagVersion);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
int pos = 0;
int ver = reader.GetInt32(0);
pos += 4;
pos++;
int readerLength = reader.GetInt32(5);
pos += 4;
string readerStr = reader.GetString(9, readerLength * 2, "UTF-16");
pos += readerLength * 2;
int writerLength = reader.GetInt32(pos);
pos += 4;
string writerStr = reader.GetString(pos, writerLength * 2, "UTF-16");
pos += writerLength * 2;
int fileVersion = reader.GetInt32(pos);
return(Sharpen.Extensions.StringFormat("%d (%s, %s) %d", ver, readerStr, writerStr, fileVersion));
}
catch (IOException)
{
return(null);
}
}
public virtual Face[] GetRecognizedFaces()
{
sbyte[] bytes = GetByteArray(TagFaceRecognitionInfo);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
reader.SetMotorolaByteOrder(false);
try
{
int faceCount = reader.GetUInt16(0);
if (faceCount == 0)
{
return(null);
}
Face[] faces = new Face[faceCount];
for (int i = 0; i < faceCount; i++)
{
int offset = 4 + i * 44;
string name = Sharpen.Extensions.Trim(reader.GetString(offset, 20, "ASCII"));
string age = Sharpen.Extensions.Trim(reader.GetString(offset + 28, 20, "ASCII"));
faces[i] = new Face(reader.GetUInt16(offset + 20), reader.GetUInt16(offset + 22), reader.GetUInt16(offset + 24), reader.GetUInt16(offset + 26), name, Age.FromPanasonicString(age));
}
return(faces);
}
catch (IOException)
{
return(null);
}
}
public virtual string GetSlicesDescription()
{
try
{
sbyte[] bytes = _directory.GetByteArray(PhotoshopDirectory.TagSlices);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
int nameLength = reader.GetInt32(20);
string name = reader.GetString(24, nameLength * 2, "UTF-16");
int pos = 24 + nameLength * 2;
int sliceCount = reader.GetInt32(pos);
//pos += 4;
return(Sharpen.Extensions.StringFormat("%s (%d,%d,%d,%d) %d Slices", name, reader.GetInt32(4), reader.GetInt32(8), reader.GetInt32(12), reader.GetInt32(16), sliceCount));
}
catch (IOException)
{
/*for (int i=0;i<sliceCount;i++){
* pos+=16;
* int slNameLen=getInt32(b,pos);
* pos+=4;
* String slName=new String(b, pos, slNameLen*2,"UTF-16");
* res+=slName;
* }*/
return(null);
}
}
public virtual void Extract(sbyte[] segmentBytes, Com.Drew.Metadata.Metadata metadata, JpegSegmentType segmentType)
{
if (segmentBytes == null)
{
throw new ArgumentNullException("segmentBytes cannot be null");
}
if (metadata == null)
{
throw new ArgumentNullException("metadata cannot be null");
}
if (segmentType == null)
{
throw new ArgumentNullException("segmentType cannot be null");
}
try
{
ByteArrayReader reader = new ByteArrayReader(segmentBytes);
//
// Check for the header preamble
//
try
{
if (!reader.GetString(0, JpegExifSegmentPreamble.Length).Equals(JpegExifSegmentPreamble))
{
// TODO what do to with this error state?
System.Console.Error.Println("Invalid JPEG Exif segment preamble");
return;
}
}
catch (IOException e)
{
// TODO what do to with this error state?
Sharpen.Runtime.PrintStackTrace(e, System.Console.Error);
return;
}
//
// Read the TIFF-formatted Exif data
//
new TiffReader().ProcessTiff(reader, new ExifTiffHandler(metadata, _storeThumbnailBytes), JpegExifSegmentPreamble.Length);
}
catch (TiffProcessingException e)
{
// TODO what do to with this error state?
Sharpen.Runtime.PrintStackTrace(e, System.Console.Error);
}
catch (IOException e)
{
// TODO what do to with this error state?
Sharpen.Runtime.PrintStackTrace(e, System.Console.Error);
}
}
public string GetSlicesDescription()
{
try
{
var bytes = Directory.GetByteArray(PhotoshopDirectory.TagSlices);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
var nameLength = reader.GetInt32(20);
var name = reader.GetString(24, nameLength * 2, Encoding.BigEndianUnicode);
var pos = 24 + nameLength * 2;
var sliceCount = reader.GetInt32(pos);
return($"{name} ({reader.GetInt32(4)},{reader.GetInt32(8)},{reader.GetInt32(12)},{reader.GetInt32(16)}) {sliceCount} Slices");
}
catch
{
return(null);
}
}
public void ProcessChunk(string fourCc, byte[] payload)
{
switch (fourCc)
{
case "strh":
{
string error = null;
var reader = new ByteArrayReader(payload, isMotorolaByteOrder: false);
string fccType = null;
string fccHandler = null;
float dwScale = 0;
float dwRate = 0;
int dwLength = 0;
try
{
fccType = reader.GetString(0, 4, Encoding.ASCII);
fccHandler = reader.GetString(4, 4, Encoding.ASCII);
//int dwFlags = reader.GetInt32(8);
//int wPriority = reader.GetInt16(12);
//int wLanguage = reader.GetInt16(14);
//int dwInitialFrames = reader.GetInt32(16);
dwScale = reader.GetFloat32(20);
dwRate = reader.GetFloat32(24);
//int dwStart = reader.GetInt32(28);
dwLength = reader.GetInt32(32);
//int dwSuggestedBufferSize = reader.GetInt32(36);
//int dwQuality = reader.GetInt32(40);
//int dwSampleSize = reader.GetInt32(44);
//byte[] rcFrame = reader.GetBytes(48, 2);
}
catch (IOException e)
{
error = "Exception reading AviRiff chunk 'strh' : " + e.Message;
}
var directory = new AviDirectory();
if (error == null)
{
if (fccType == "vids")
{
directory.Set(AviDirectory.TAG_FRAMES_PER_SECOND, (dwRate / dwScale));
double duration = dwLength / (dwRate / dwScale);
int hours = (int)duration / (int)(Math.Pow(60, 2));
int minutes = ((int)duration / (int)(Math.Pow(60, 1))) - (hours * 60);
int seconds = (int)Math.Round((duration / (Math.Pow(60, 0))) - (minutes * 60));
string time = new DateTime(2000, 1, 1, hours, minutes, seconds).ToString("hh:mm:ss");
directory.Set(AviDirectory.TAG_DURATION, time);
directory.Set(AviDirectory.TAG_VIDEO_CODEC, fccHandler);
}
else
if (fccType == "auds")
{
directory.Set(AviDirectory.TAG_SAMPLES_PER_SECOND, (dwRate / dwScale));
}
}
else
{
directory.AddError(error);
}
_directories.Add(directory);
break;
}
case "avih":
{
string error = null;
var reader = new ByteArrayReader(payload, isMotorolaByteOrder: false);
int dwStreams = 0;
int dwWidth = 0;
int dwHeight = 0;
try
{
//int dwMicroSecPerFrame = reader.GetInt32(0);
//int dwMaxBytesPerSec = reader.GetInt32(4);
//int dwPaddingGranularity = reader.GetInt32(8);
//int dwFlags = reader.GetInt32(12);
//int dwTotalFrames = reader.GetInt32(16);
//int dwInitialFrames = reader.GetInt32(20);
dwStreams = reader.GetInt32(24);
//int dwSuggestedBufferSize = reader.GetInt32(28);
dwWidth = reader.GetInt32(32);
dwHeight = reader.GetInt32(36);
//byte[] dwReserved = reader.GetBytes(40, 4);
}
catch (IOException e)
{
error = "Exception reading AviRiff chunk 'avih' : " + e.Message;
}
var directory = new AviDirectory();
if (error == null)
{
directory.Set(AviDirectory.TAG_WIDTH, dwWidth);
directory.Set(AviDirectory.TAG_HEIGHT, dwHeight);
directory.Set(AviDirectory.TAG_STREAMS, dwStreams);
}
else
{
directory.AddError(error);
}
_directories.Add(directory);
break;
}
}
}
