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);
}
}
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 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 string?GetPrintScaleDescription()
{
try
{
var bytes = Directory.GetByteArray(PhotoshopDirectory.TagPrintScale);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
var style = reader.GetInt32(0);
var locX = reader.GetFloat32(2);
var locY = reader.GetFloat32(6);
var scale = reader.GetFloat32(10);
return(style switch
{
0 => $"Centered, Scale {scale:0.0##}",
1 => "Size to fit",
2 => $"User defined, X:{locX} Y:{locY}, Scale:{scale:0.0##}",
_ => $"Unknown {style:X4}, X:{locX} Y:{locY}, Scale:{scale:0.0##}",
});
}
public string GetThumbnailDescription(int tagType)
{
try
{
var v = Directory.GetByteArray(tagType);
if (v == null)
{
return(null);
}
var reader = new ByteArrayReader(v);
var format = reader.GetInt32(0);
var width = reader.GetInt32(4);
var height = reader.GetInt32(8);
// skip WidthBytes
var totalSize = reader.GetInt32(16);
var compSize = reader.GetInt32(20);
var bpp = reader.GetInt32(24);
// skip Number of planes
return($"{(format == 1 ? "JpegRGB" : "RawRGB")}, {width}x{height}, Decomp {totalSize} bytes, {bpp} bpp, {compSize} bytes");
}
catch
{
return(null);
}
}
public virtual string GetThumbnailDescription(int tagType)
{
try
{
sbyte[] v = _directory.GetByteArray(tagType);
if (v == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(v);
//int pos = 0;
int format = reader.GetInt32(0);
//pos += 4;
int width = reader.GetInt32(4);
//pos += 4;
int height = reader.GetInt32(8);
//pos += 4;
//pos += 4; //skip WidthBytes
int totalSize = reader.GetInt32(16);
//pos += 4;
int compSize = reader.GetInt32(20);
//pos += 4;
int bpp = reader.GetInt32(24);
//pos+=2;
//pos+=2; //skip Number of planes
//int thumbSize=v.length-pos;
return(Sharpen.Extensions.StringFormat("%s, %dx%d, Decomp %d bytes, %d bpp, %d bytes", format == 1 ? "JpegRGB" : "RawRGB", width, height, totalSize, bpp, compSize));
}
catch (IOException)
{
return(null);
}
}
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($"{name} ({reader.GetInt32(4)},{reader.GetInt32(8)},{reader.GetInt32(12)},{reader.GetInt32(16)}) {sliceCount} Slices");
}
catch
{
return(null);
}
}
private string Get32BitNumberString(int tag)
{
sbyte[] bytes = _directory.GetByteArray(tag);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
try
{
return(Sharpen.Extensions.StringFormat("%d", reader.GetInt32(0)));
}
catch (IOException)
{
return(null);
}
}
public virtual string GetPrintScaleDescription()
{
try
{
sbyte[] bytes = _directory.GetByteArray(PhotoshopDirectory.TagPrintScale);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
int style = reader.GetInt32(0);
float locX = reader.GetFloat32(2);
float locY = reader.GetFloat32(6);
float scale = reader.GetFloat32(10);
switch (style)
{
case 0:
{
return("Centered, Scale " + scale);
}
case 1:
{
return("Size to fit");
}
case 2:
{
return(Sharpen.Extensions.StringFormat("User defined, X:%s Y:%s, Scale:%s", locX, locY, scale));
}
default:
{
return(Sharpen.Extensions.StringFormat("Unknown %04X, X:%s Y:%s, Scale:%s", style, locX, locY, scale));
}
}
}
catch (Exception)
{
return(null);
}
}
private string Get32BitNumberString(int tag)
{
var bytes = Directory.GetByteArray(tag);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
try
{
return($"{reader.GetInt32(0)}");
}
catch
{
return(null);
}
}
public string GetPrintScaleDescription()
{
try
{
var bytes = Directory.GetByteArray(PhotoshopDirectory.TagPrintScale);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
var style = reader.GetInt32(0);
var locX = reader.GetFloat32(2);
var locY = reader.GetFloat32(6);
var scale = reader.GetFloat32(10);
switch (style)
{
case 0:
return($"Centered, Scale {scale:0.0##}");
case 1:
return("Size to fit");
case 2:
return($"User defined, X:{locX} Y:{locY}, Scale:{scale:0.0##}");
default:
return($"Unknown {style:X4}, X:{locX} Y:{locY}, Scale:{scale:0.0##}");
}
}
catch
{
return(null);
}
}
private string GetTagDataString(int tagType)
{
try
{
sbyte[] bytes = _directory.GetByteArray(tagType);
if (bytes == null)
{
return(_directory.GetString(tagType));
}
RandomAccessReader reader = new ByteArrayReader(bytes);
int iccTagType = reader.GetInt32(0);
switch (iccTagType)
{
case IccTagTypeText:
{
try
{
return(Sharpen.Runtime.GetStringForBytes(bytes, 8, bytes.Length - 8 - 1, "ASCII"));
}
catch (UnsupportedEncodingException)
{
return(Sharpen.Runtime.GetStringForBytes(bytes, 8, bytes.Length - 8 - 1));
}
goto case IccTagTypeDesc;
}
case IccTagTypeDesc:
{
int stringLength = reader.GetInt32(8);
return(Sharpen.Runtime.GetStringForBytes(bytes, 12, stringLength - 1));
}
case IccTagTypeSig:
{
return(IccReader.GetStringFromInt32(reader.GetInt32(8)));
}
case IccTagTypeMeas:
{
int observerType = reader.GetInt32(8);
float x = reader.GetS15Fixed16(12);
float y = reader.GetS15Fixed16(16);
float z = reader.GetS15Fixed16(20);
int geometryType = reader.GetInt32(24);
float flare = reader.GetS15Fixed16(28);
int illuminantType = reader.GetInt32(32);
string observerString;
switch (observerType)
{
case 0:
{
observerString = "Unknown";
break;
}
case 1:
{
observerString = "1931 2°";
break;
}
case 2:
{
observerString = "1964 10°";
break;
}
default:
{
observerString = Sharpen.Extensions.StringFormat("Unknown %d", observerType);
break;
}
}
string geometryString;
switch (geometryType)
{
case 0:
{
geometryString = "Unknown";
break;
}
case 1:
{
geometryString = "0/45 or 45/0";
break;
}
case 2:
{
geometryString = "0/d or d/0";
break;
}
default:
{
geometryString = Sharpen.Extensions.StringFormat("Unknown %d", observerType);
break;
}
}
string illuminantString;
switch (illuminantType)
{
case 0:
{
illuminantString = "unknown";
break;
}
case 1:
{
illuminantString = "D50";
break;
}
case 2:
{
illuminantString = "D65";
break;
}
case 3:
{
illuminantString = "D93";
break;
}
case 4:
{
illuminantString = "F2";
break;
}
case 5:
{
illuminantString = "D55";
break;
}
case 6:
{
illuminantString = "A";
break;
}
case 7:
{
illuminantString = "Equi-Power (E)";
break;
}
case 8:
{
illuminantString = "F8";
break;
}
default:
{
illuminantString = Sharpen.Extensions.StringFormat("Unknown %d", illuminantType);
break;
}
}
return(Sharpen.Extensions.StringFormat("%s Observer, Backing (%s, %s, %s), Geometry %s, Flare %d%%, Illuminant %s", observerString, x, y, z, geometryString, (long)System.Math.Round(flare * 100), illuminantString));
}
case IccTagTypeXyzArray:
{
StringBuilder res = new StringBuilder();
int count = (bytes.Length - 8) / 12;
for (int i = 0; i < count; i++)
{
float x = reader.GetS15Fixed16(8 + i * 12);
float y = reader.GetS15Fixed16(8 + i * 12 + 4);
float z = reader.GetS15Fixed16(8 + i * 12 + 8);
if (i > 0)
{
res.Append(", ");
}
res.Append("(").Append(x).Append(", ").Append(y).Append(", ").Append(z).Append(")");
}
return(Sharpen.Extensions.ConvertToString(res));
}
case IccTagTypeMluc:
{
int int1 = reader.GetInt32(8);
StringBuilder res = new StringBuilder();
res.Append(int1);
//int int2 = reader.getInt32(12);
//System.err.format("int1: %d, int2: %d\n", int1, int2);
for (int i = 0; i < int1; i++)
{
string str = IccReader.GetStringFromInt32(reader.GetInt32(16 + i * 12));
int len = reader.GetInt32(16 + i * 12 + 4);
int ofs = reader.GetInt32(16 + i * 12 + 8);
string name;
try
{
name = Sharpen.Runtime.GetStringForBytes(bytes, ofs, len, "UTF-16BE");
}
catch (UnsupportedEncodingException)
{
name = Sharpen.Runtime.GetStringForBytes(bytes, ofs, len);
}
res.Append(" ").Append(str).Append("(").Append(name).Append(")");
}
//System.err.format("% 3d: %s, len: %d, ofs: %d, \"%s\"\n", i, str, len,ofs,name);
return(Sharpen.Extensions.ConvertToString(res));
}
case IccTagTypeCurv:
{
int num = reader.GetInt32(8);
StringBuilder res = new StringBuilder();
for (int i = 0; i < num; i++)
{
if (i != 0)
{
res.Append(", ");
}
res.Append(FormatDoubleAsString(((float)reader.GetUInt16(12 + i * 2)) / 65535.0, 7, false));
}
//res+=String.format("%1.7g",Math.round(((float)iccReader.getInt16(b,12+i*2))/0.065535)/1E7);
return(Sharpen.Extensions.ConvertToString(res));
}
default:
{
return(Sharpen.Extensions.StringFormat("%s(0x%08X): %d bytes", IccReader.GetStringFromInt32(iccTagType), iccTagType, bytes.Length));
}
}
}
catch (IOException)
{
// TODO decode these values during IccReader.extract so we can report any errors at that time
// It is convention to return null if a description cannot be formulated.
// If an error is to be reported, it should be done during the extraction process.
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;
}
}
}
private string GetTagDataString(int tagType)
{
try
{
var bytes = Directory.GetByteArray(tagType);
if (bytes == null)
{
return(Directory.GetString(tagType));
}
var reader = new ByteArrayReader(bytes);
var iccTagType = (IccTagType)reader.GetInt32(0);
switch (iccTagType)
{
case IccTagType.Text:
{
#if !NETSTANDARD1_3
try
{
return(Encoding.ASCII.GetString(bytes, 8, bytes.Length - 8 - 1));
}
catch
#endif
{
return(Encoding.UTF8.GetString(bytes, 8, bytes.Length - 8 - 1));
}
}
case IccTagType.Desc:
{
var stringLength = reader.GetInt32(8);
return(Encoding.UTF8.GetString(bytes, 12, stringLength - 1));
}
case IccTagType.Sig:
{
return(IccReader.GetStringFromUInt32(reader.GetUInt32(8)));
}
case IccTagType.Meas:
{
var observerType = reader.GetInt32(8);
var x = reader.GetS15Fixed16(12);
var y = reader.GetS15Fixed16(16);
var z = reader.GetS15Fixed16(20);
var geometryType = reader.GetInt32(24);
var flare = reader.GetS15Fixed16(28);
var illuminantType = reader.GetInt32(32);
string observerString;
switch (observerType)
{
case 0:
observerString = "Unknown";
break;
case 1:
observerString = "1931 2\u00b0";
break;
case 2:
observerString = "1964 10\u00b0";
break;
default:
observerString = $"Unknown ({observerType})";
break;
}
string geometryString;
switch (geometryType)
{
case 0:
geometryString = "Unknown";
break;
case 1:
geometryString = "0/45 or 45/0";
break;
case 2:
geometryString = "0/d or d/0";
break;
default:
geometryString = $"Unknown ({observerType})";
break;
}
string illuminantString;
switch (illuminantType)
{
case 0:
illuminantString = "unknown";
break;
case 1:
illuminantString = "D50";
break;
case 2:
illuminantString = "D65";
break;
case 3:
illuminantString = "D93";
break;
case 4:
illuminantString = "F2";
break;
case 5:
illuminantString = "D55";
break;
case 6:
illuminantString = "A";
break;
case 7:
illuminantString = "Equi-Power (E)";
break;
case 8:
illuminantString = "F8";
break;
default:
illuminantString = $"Unknown ({illuminantType})";
break;
}
return($"{observerString} Observer, Backing ({x:0.###}, {y:0.###}, {z:0.###}), Geometry {geometryString}, Flare {(long)Math.Round(flare*100)}%, Illuminant {illuminantString}");
}
case IccTagType.XyzArray:
{
var res = new StringBuilder();
var count = (bytes.Length - 8) / 12;
for (var i = 0; i < count; i++)
{
var x = reader.GetS15Fixed16(8 + i * 12);
var y = reader.GetS15Fixed16(8 + i * 12 + 4);
var z = reader.GetS15Fixed16(8 + i * 12 + 8);
if (i > 0)
{
res.Append(", ");
}
res.AppendFormat("({0:0.####}, {1:0.####}, {2:0.####})", x, y, z);
}
return(res.ToString());
}
case IccTagType.Mluc:
{
var int1 = reader.GetInt32(8);
var res = new StringBuilder();
res.Append(int1);
for (var i = 0; i < int1; i++)
{
var str = IccReader.GetStringFromUInt32(reader.GetUInt32(16 + i * 12));
var len = reader.GetInt32(16 + i * 12 + 4);
var ofs = reader.GetInt32(16 + i * 12 + 8);
string name;
try
{
name = Encoding.BigEndianUnicode.GetString(bytes, ofs, len);
}
catch
{
name = Encoding.UTF8.GetString(bytes, ofs, len);
}
res.Append(" ").Append(str).Append("(").Append(name).Append(")");
}
return(res.ToString());
}
case IccTagType.Curv:
{
var num = reader.GetInt32(8);
var res = new StringBuilder();
for (var i = 0; i < num; i++)
{
if (i != 0)
{
res.Append(", ");
}
res.Append(FormatDoubleAsString(reader.GetUInt16(12 + i * 2) / 65535.0, 7, false));
}
return(res.ToString());
}
default:
{
return($"{IccReader.GetStringFromUInt32(unchecked((uint)iccTagType))} (0x{(int)iccTagType:X8}): {bytes.Length} bytes");
}
}
}
catch (IOException)
{
// TODO decode these values during IccReader.extract so we can report any errors at that time
// It is convention to return null if a description cannot be formulated.
// If an error is to be reported, it should be done during the extraction process.
return(null);
}
}