public override void ChangeFlightTime()
{
if (DestinationFile != null)
{
var rhgCreationTime = new FileInfo(SourceFile.Properties.FilePath).LastWriteTime;
using (var rhgStream = File.Open(SourceFile.Properties.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var rlStream = File.Open(DestinationFile.Properties.FilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
_header = _header.ChangeFlightTime(rhgCreationTime);
rlStream.Write(StructIO.WriteStruct<Headers.Concrete.Brl4.Brl4RliFileHeader>(_header), 0, DestinationFile.Header.FileHeaderLength);
}
}
}
}
public override void SaveAsAligned(string alignedFileName, System.Drawing.Rectangle area, byte[] image,
int aligningPointsCount, int rangeCompressionCoef, int azimuthCompressionCoef)
{
alignedFileName = Path.ChangeExtension(alignedFileName, "brl4");
Headers.Concrete.Brl4.Brl4RliFileHeader brlHeadStruct;
byte[] strHeader = new byte[SourceFile.Header.StrHeaderLength];
byte[] strData = new byte[area.Width * _file.Header.BytesPerSample];
var brlHead = _file.Header as Headers.Concrete.Brl4.Brl4Header;
var rlParams = brlHead.HeaderStruct.rlParams
.ChangeFragmentShift(area.X, area.Y).ChangeImgDimensions(area.Width, area.Height);
brlHeadStruct = new Headers.Concrete.Brl4.Brl4RliFileHeader(brlHead.HeaderStruct.fileSign, brlHead.HeaderStruct.fileVersion,
brlHead.HeaderStruct.rhgParams, rlParams, brlHead.HeaderStruct.synthParams, aligningPointsCount, rangeCompressionCoef,
azimuthCompressionCoef, brlHead.HeaderStruct.reserved);
using (var ms = new MemoryStream(image))
{
using (var fr = File.Open(_file.Properties.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (var fw = File.Open(alignedFileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
var headBytes = RlViewer.Behaviors.Converters.StructIO.WriteStruct<Headers.Concrete.Brl4.Brl4RliFileHeader>(brlHeadStruct);
long offset = ((long)(strHeader.Length + _file.Width * _file.Header.BytesPerSample)) * area.Y;
fw.Write(headBytes, 0, headBytes.Length);
fr.Seek(_file.Header.FileHeaderLength, SeekOrigin.Current);
fr.Seek(offset, SeekOrigin.Current);
for (int i = 0; i < area.Height; i++)
{
fr.Read(strHeader, 0, strHeader.Length);
fr.Seek(_file.Width * _file.Header.BytesPerSample, SeekOrigin.Current);
ms.Read(strData, 0, strData.Length);
fw.Write(strHeader, 0, strHeader.Length);
fw.Write(strData, 0, strData.Length);
}
}
}
}
}
private void SaveAsBrl4(string path, Rectangle area)
{
using (var fr = System.IO.File.Open(_file.Properties.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var fname = Path.ChangeExtension(path, ".brl4");
using (var fw = System.IO.File.Open(fname, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fr.Seek(SourceFile.Header.FileHeaderLength, SeekOrigin.Begin);
var rlSubHeader = _head.HeaderStruct.rlParams
.ChangeImgDimensions(area.Width, area.Height)
.ChangeFragmentShift(area.X, area.Y);
RlViewer.Headers.Concrete.Brl4.Brl4RliFileHeader rl4Header =
new Headers.Concrete.Brl4.Brl4RliFileHeader(_head.HeaderStruct.fileSign, _head.HeaderStruct.fileVersion,
_head.HeaderStruct.rhgParams, rlSubHeader, _head.HeaderStruct.synthParams,
_head.HeaderStruct.aligningPointsCount, _head.HeaderStruct.rangeCompressionCoef,
_head.HeaderStruct.azimuthCompressionCoef, _head.HeaderStruct.reserved);
fw.Write(RlViewer.Behaviors.Converters.StructIO.WriteStruct<RlViewer.Headers.Concrete.Brl4.Brl4RliFileHeader>(rl4Header),
0, Marshal.SizeOf(rl4Header));
byte[] strHeader = new byte[SourceFile.Header.StrHeaderLength];
int strDataLength = _file.Width * _file.Header.BytesPerSample;
byte[] frameData = new byte[area.Width * _file.Header.BytesPerSample];
long lineToStartSaving = (long)area.Y * (long)(_file.Width * _file.Header.BytesPerSample + SourceFile.Header.StrHeaderLength);
long sampleToStartSaving = area.X * _file.Header.BytesPerSample;
fr.Seek(lineToStartSaving, SeekOrigin.Current);
for (int i = 0; i < area.Height; i++)
{
OnProgressReport((int)((double)i / (double)area.Height * 100));
if (OnCancelWorker())
{
return;
}
fr.Read(strHeader, 0, SourceFile.Header.StrHeaderLength);
fw.Write(strHeader, 0, SourceFile.Header.StrHeaderLength);
fr.Seek(sampleToStartSaving, SeekOrigin.Current);
fr.Read(frameData, 0, frameData.Length);
fw.Write(frameData, 0, frameData.Length);
fr.Seek(strDataLength - frameData.Length - sampleToStartSaving, SeekOrigin.Current);
}
}
}
}
