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##}",
_ => $"Unknown {style:X4}, X:{locX} Y:{locY}, Scale:{scale:0.0##}",
});
}
public virtual string GetPrintScaleDescription()
{
try
{
sbyte[] bytes = _directory.GetByteArray(PhotoshopDirectory.TagPrintScale);
if (bytes == null)
{
return(null);
}
RandomAccessReader reader = new ByteArrayReader(bytes);
int style = reader.GetInt32(0);
float locX = reader.GetFloat32(2);
float locY = reader.GetFloat32(6);
float scale = reader.GetFloat32(10);
switch (style)
{
case 0:
{
return("Centered, Scale " + scale);
}
case 1:
{
return("Size to fit");
}
case 2:
{
return(Sharpen.Extensions.StringFormat("User defined, X:%s Y:%s, Scale:%s", locX, locY, scale));
}
default:
{
return(Sharpen.Extensions.StringFormat("Unknown %04X, X:%s Y:%s, Scale:%s", style, locX, locY, scale));
}
}
}
catch (Exception)
{
return(null);
}
}
public string GetPrintScaleDescription()
{
try
{
var bytes = Directory.GetByteArray(PhotoshopDirectory.TagPrintScale);
if (bytes == null)
{
return(null);
}
var reader = new ByteArrayReader(bytes);
var style = reader.GetInt32(0);
var locX = reader.GetFloat32(2);
var locY = reader.GetFloat32(6);
var scale = reader.GetFloat32(10);
switch (style)
{
case 0:
return($"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);
}
}
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;
}
}
}
