public void EncodeDefault(MemoryStream OutStream, Bitmap CurrentBitmap, Size blockSize, PixelFormat BitmapFormat)
{
BlockScan = blockSize;
PixelSize = BitmapExtensions.BytesPerPixel(BitmapFormat);
if (TrailBitmap == null)
{
byte[] EncodedBytes = Compressor.Compress(CurrentBitmap);
OutStream.Write(BitConverter.GetBytes(EncodedBytes.Length), 0, 4);
OutStream.Write(EncodedBytes, 0, EncodedBytes.Length);
TrailBitmap = CurrentBitmap;
}
else
{
BitmapData TrailData = TrailBitmap.LockBits(new Rectangle(0, 0, TrailBitmap.Width, TrailBitmap.Height), ImageLockMode.ReadOnly, BitmapFormat);
BitmapData CurrentData = CurrentBitmap.LockBits(new Rectangle(0, 0, CurrentBitmap.Width, CurrentBitmap.Height), ImageLockMode.ReadOnly, BitmapFormat);
int Stride = Math.Abs(TrailData.Stride);
Task.WaitAll(new[]
{
Task.Run(() => UpperProcess(0, 0, TrailData.Width, TrailData.Height / 2, Stride, TrailData.Scan0, CurrentData.Scan0)),
Task.Run(() => LowerProcess(0, TrailData.Height / 2, TrailData.Width, TrailData.Height, Stride, TrailData.Scan0, CurrentData.Scan0)),
});
CurrentBitmap.UnlockBits(CurrentData);
TrailBitmap.UnlockBits(TrailData);
List <Rectangle> Changes = new List <Rectangle>(UpperChanges.Count + LowerChanges.Count);
Changes.AddRange(UpperChanges);
Changes.AddRange(LowerChanges);
for (int i = 0; i < Changes.Count; ++i)
{
Rectangle Change = Changes[i];
OutStream.Write(BitConverter.GetBytes(Change.X), 0, 4);
OutStream.Write(BitConverter.GetBytes(Change.Y), 0, 4);
OutStream.Write(BitConverter.GetBytes(Change.Width), 0, 4);
OutStream.Write(BitConverter.GetBytes(Change.Height), 0, 4);
CurrentData = CurrentBitmap.LockBits(new Rectangle(Change.X, Change.Y, Change.Width, Change.Height), ImageLockMode.ReadOnly, BitmapFormat);
using (Bitmap ChangedBmp = new Bitmap(Change.Width, Change.Height, CurrentData.Stride, BitmapFormat, CurrentData.Scan0))
{
byte[] CompressedImage = Compressor.Compress(ChangedBmp);
OutStream.Write(BitConverter.GetBytes(CompressedImage.Length), 0, 4);
OutStream.Write(CompressedImage, 0, CompressedImage.Length);
}
CurrentBitmap.UnlockBits(CurrentData);
}
TrailBitmap.Dispose();
TrailBitmap = CurrentBitmap;
ClearChanges();
}
}
private void BenchmarkCompressionSpeed()
{
using (Bitmap bmpScreenCapture = new Bitmap(Screen.PrimaryScreen.Bounds.Width,
Screen.PrimaryScreen.Bounds.Height))
{
using (Graphics g = Graphics.FromImage(bmpScreenCapture))
{
g.CopyFromScreen(Screen.PrimaryScreen.Bounds.X,
Screen.PrimaryScreen.Bounds.Y,
0, 0,
bmpScreenCapture.Size,
CopyPixelOperation.SourceCopy);
}
using (var jpgCompressor = new JpgCompression(70))
{
for (int i = 0; i < 5; i++)
{
var sw = Stopwatch.StartNew();
GC.Collect();
GC.WaitForPendingFinalizers();
using (var outStream = new MemoryStream(10000))
{
jpgCompressor.Compress(bmpScreenCapture, outStream);
var data = outStream.ToArray();
Debug.Print("Managed JPG: Time neeeded: " + sw.ElapsedMilliseconds + ", size: " + data.Length);
}
}
}
using (var turboJpg = new NoCompression())
{
turboJpg.Quality = 70;
var lockBits =
bmpScreenCapture.LockBits(new Rectangle(0, 0, bmpScreenCapture.Width, bmpScreenCapture.Height),
ImageLockMode.ReadOnly, bmpScreenCapture.PixelFormat);
for (int i = 0; i < 5; i++)
{
GC.Collect();
GC.WaitForPendingFinalizers();
var sw = Stopwatch.StartNew();
var data = turboJpg.Compress(lockBits.Scan0, lockBits.Stride,
new System.Drawing.Size(lockBits.Width, lockBits.Height), lockBits.PixelFormat);
Debug.Print("LZF: Time neeeded: " + sw.ElapsedMilliseconds + ", size: " + data.Length);
}
bmpScreenCapture.UnlockBits(lockBits);
}
}
}
public void CompressionTest()
{
var quality = Int64.MaxValue;
var jpg = new JpgCompression(quality);
var bitmap = new Bitmap(200, 200);
var result = jpg.Compress(bitmap);
Assert.IsNotNull(result);
CollectionAssert.AllItemsAreNotNull(result);
}
public void CompressionTest()
{
using (var jpg = new JpgCompression(100))
{
using (var bitmap = new Bitmap(200, 200))
using (var memoryStream = new MemoryStream())
{
jpg.Compress(bitmap, memoryStream);
Assert.IsTrue(memoryStream.Length > 0);
}
}
}
public unsafe void CodeImage(IntPtr scan0, Rectangle scanArea, Size imageSize, PixelFormat format,
Stream outStream)
{
lock (_imageProcessLock)
{
byte *pScan0 = (byte *)scan0.ToInt32();
if (!outStream.CanWrite)
{
throw new Exception("Must have access to Write in the Stream");
}
int stride = 0;
int rawLength = 0;
int pixelSize = 0;
switch (format)
{
case PixelFormat.Format24bppRgb:
case PixelFormat.Format32bppRgb:
pixelSize = 3;
break;
case PixelFormat.Format32bppArgb:
case PixelFormat.Format32bppPArgb:
pixelSize = 4;
break;
default:
throw new NotSupportedException(format.ToString());
}
stride = imageSize.Width * pixelSize;
rawLength = stride * imageSize.Height;
if (_encodeBuffer == null)
{
this._encodedFormat = format;
this._encodedWidth = imageSize.Width;
this._encodedHeight = imageSize.Height;
this._encodeBuffer = new byte[rawLength];
fixed(byte *ptr = _encodeBuffer)
{
byte[] temp = null;
using (Bitmap tmpBmp = new Bitmap(imageSize.Width, imageSize.Height, stride, format, scan0))
{
temp = _jpgCompression.Compress(tmpBmp);
}
outStream.Write(BitConverter.GetBytes(temp.Length), 0, 4);
outStream.Write(temp, 0, temp.Length);
NativeMethods.memcpy(new IntPtr(ptr), scan0, (uint)rawLength);
}
return;
}
if (this._encodedFormat != format)
{
throw new Exception("PixelFormat is not equal to previous Bitmap");
}
else if (this._encodedWidth != imageSize.Width || this._encodedHeight != imageSize.Height)
{
throw new Exception("Bitmap width/height are not equal to previous bitmap");
}
long oldPos = outStream.Position;
outStream.Write(new byte[4], 0, 4);
long totalDataLength = 0;
List <Rectangle> blocks = new List <Rectangle>();
Size s = new Size(scanArea.Width, CheckBlock.Height);
Size lastSize = new Size(scanArea.Width % CheckBlock.Width, scanArea.Height % CheckBlock.Height);
int lasty = scanArea.Height - lastSize.Height;
int lastx = scanArea.Width - lastSize.Width;
Rectangle cBlock = new Rectangle();
List <Rectangle> finalUpdates = new List <Rectangle>();
s = new Size(scanArea.Width, s.Height);
fixed(byte *encBuffer = _encodeBuffer)
{
var index = 0;
for (int y = scanArea.Y; y != scanArea.Height; y += s.Height)
{
if (y == lasty)
{
s = new Size(scanArea.Width, lastSize.Height);
}
cBlock = new Rectangle(scanArea.X, y, scanArea.Width, s.Height);
int offset = (y * stride) + (scanArea.X * pixelSize);
if (NativeMethods.memcmp(encBuffer + offset, pScan0 + offset, (uint)stride) != 0)
{
index = blocks.Count - 1;
if (blocks.Count != 0 && (blocks[index].Y + blocks[index].Height) == cBlock.Y)
{
cBlock = new Rectangle(blocks[index].X, blocks[index].Y, blocks[index].Width,
blocks[index].Height + cBlock.Height);
blocks[index] = cBlock;
}
else
{
blocks.Add(cBlock);
}
}
}
for (int i = 0; i < blocks.Count; i++)
{
s = new Size(CheckBlock.Width, blocks[i].Height);
for (int x = scanArea.X; x != scanArea.Width; x += s.Width)
{
if (x == lastx)
{
s = new Size(lastSize.Width, blocks[i].Height);
}
cBlock = new Rectangle(x, blocks[i].Y, s.Width, blocks[i].Height);
bool foundChanges = false;
uint blockStride = (uint)(pixelSize * cBlock.Width);
for (int j = 0; j < cBlock.Height; j++)
{
int blockOffset = (stride * (cBlock.Y + j)) + (pixelSize * cBlock.X);
if (NativeMethods.memcmp(encBuffer + blockOffset, pScan0 + blockOffset, blockStride) != 0)
{
foundChanges = true;
}
NativeMethods.memcpy(encBuffer + blockOffset, pScan0 + blockOffset, blockStride);
//copy-changes
}
if (foundChanges)
{
index = finalUpdates.Count - 1;
if (finalUpdates.Count > 0 &&
(finalUpdates[index].X + finalUpdates[index].Width) == cBlock.X)
{
Rectangle rect = finalUpdates[index];
int newWidth = cBlock.Width + rect.Width;
cBlock = new Rectangle(rect.X, rect.Y, newWidth, rect.Height);
finalUpdates[index] = cBlock;
}
else
{
finalUpdates.Add(cBlock);
}
}
}
}
}
for (int i = 0; i < finalUpdates.Count; i++)
{
Rectangle rect = finalUpdates[i];
int blockStride = pixelSize * rect.Width;
Bitmap tmpBmp = null;
BitmapData tmpData = null;
long length;
try
{
tmpBmp = new Bitmap(rect.Width, rect.Height, format);
tmpData = tmpBmp.LockBits(new Rectangle(0, 0, tmpBmp.Width, tmpBmp.Height),
ImageLockMode.ReadWrite, tmpBmp.PixelFormat);
for (int j = 0, offset = 0; j < rect.Height; j++)
{
int blockOffset = (stride * (rect.Y + j)) + (pixelSize * rect.X);
NativeMethods.memcpy((byte *)tmpData.Scan0.ToPointer() + offset, pScan0 + blockOffset, (uint)blockStride);
//copy-changes
offset += blockStride;
}
outStream.Write(BitConverter.GetBytes(rect.X), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Y), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Width), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Height), 0, 4);
outStream.Write(new byte[4], 0, 4);
length = outStream.Length;
long old = outStream.Position;
_jpgCompression.Compress(tmpBmp, ref outStream);
length = outStream.Position - length;
outStream.Position = old - 4;
outStream.Write(BitConverter.GetBytes(length), 0, 4);
outStream.Position += length;
}
finally
{
tmpBmp.UnlockBits(tmpData);
tmpBmp.Dispose();
}
totalDataLength += length + (4 * 5);
}
outStream.Position = oldPos;
outStream.Write(BitConverter.GetBytes(totalDataLength), 0, 4);
}
}
public unsafe void CodeImage(IntPtr Scan0, Rectangle[] Changes, Size ImageSize, PixelFormat Format, Stream outStream)
{
byte *pScan0 = (byte *)Scan0.ToInt32();
if (!outStream.CanWrite)
{
throw new Exception("Must have access to Write in the Stream");
}
int Stride = 0;
int RawLength = 0;
int PixelSize = 0;
switch (Format)
{
case PixelFormat.Format24bppRgb:
PixelSize = 3;
break;
case PixelFormat.Format32bppArgb:
case PixelFormat.Format32bppPArgb:
PixelSize = 4;
break;
default:
throw new NotSupportedException(Format.ToString());
}
Stride = ImageSize.Width * PixelSize;
RawLength = Stride * ImageSize.Height;
if (EncodeBuffer == null)
{
this.EncodedFormat = Format;
this.EncodedWidth = ImageSize.Width;
this.EncodedHeight = ImageSize.Height;
this.EncodeBuffer = new byte[RawLength];
fixed(byte *ptr = EncodeBuffer)
{
byte[] temp = null;
using (Bitmap TmpBmp = new Bitmap(ImageSize.Width, ImageSize.Height, Stride, Format, Scan0))
{
temp = jpgCompression.Compress(TmpBmp);
}
outStream.Write(BitConverter.GetBytes(temp.Length), 0, 4);
outStream.Write(temp, 0, temp.Length);
NativeMethods.memcpy(new IntPtr(ptr), Scan0, (uint)RawLength);
}
return;
}
long oldPos = outStream.Position;
outStream.Write(new byte[4], 0, 4);
int TotalDataLength = 0;
for (int i = 0; i < Changes.Length; i++)
{
Rectangle rect = Changes[i];
int blockStride = PixelSize * rect.Width;
Bitmap TmpBmp = new Bitmap(rect.Width, rect.Height, Format);
BitmapData TmpData = TmpBmp.LockBits(new Rectangle(0, 0, TmpBmp.Width, TmpBmp.Height), ImageLockMode.ReadWrite, TmpBmp.PixelFormat);
for (int j = 0, offset = 0; j < rect.Height; j++)
{
int blockOffset = (Stride * (rect.Y + j)) + (PixelSize * rect.X);
NativeMethods.memcpy((byte *)TmpData.Scan0.ToPointer() + offset, pScan0 + blockOffset, (uint)blockStride); //copy-changes
offset += blockStride;
}
TmpBmp.UnlockBits(TmpData);
outStream.Write(BitConverter.GetBytes(rect.X), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Y), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Width), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Height), 0, 4);
outStream.Write(new byte[4], 0, 4);
long length = outStream.Position;
long OldPos = outStream.Position;
jpgCompression.Compress(TmpBmp, ref outStream);
length = outStream.Position - length;
outStream.Position = OldPos - 4;
outStream.Write(BitConverter.GetBytes((int)length), 0, 4);
outStream.Position += length;
TmpBmp.Dispose();
TotalDataLength += (int)length + (4 * 5);
}
outStream.Position = oldPos;
outStream.Write(BitConverter.GetBytes(TotalDataLength), 0, 4);
}
public override unsafe void CodeImage(IntPtr Scan0, Rectangle ScanArea, Size ImageSize, PixelFormat Format, Stream outStream)
{
lock (ImageProcessLock)
{
byte *pScan0;
if (IntPtr.Size == 8)
{
// 64 bit process
pScan0 = (byte *)Scan0.ToInt64();
}
else
{
// 32 bit process
pScan0 = (byte *)Scan0.ToInt32();
}
if (!outStream.CanWrite)
{
throw new Exception("Must have access to Write in the Stream");
}
int Stride = 0;
int RawLength = 0;
int PixelSize = 0;
switch (Format)
{
case PixelFormat.Format24bppRgb:
case PixelFormat.Format32bppRgb:
PixelSize = 3;
break;
case PixelFormat.Format32bppArgb:
case PixelFormat.Format32bppPArgb:
PixelSize = 4;
break;
default:
throw new NotSupportedException(Format.ToString());
}
Stride = ImageSize.Width * PixelSize;
RawLength = Stride * ImageSize.Height;
if (EncodeBuffer == null)
{
this.EncodedFormat = Format;
this.EncodedWidth = ImageSize.Width;
this.EncodedHeight = ImageSize.Height;
this.EncodeBuffer = new byte[RawLength];
fixed(byte *ptr = EncodeBuffer)
{
byte[] temp = null;
using (Bitmap TmpBmp = new Bitmap(ImageSize.Width, ImageSize.Height, Stride, Format, Scan0))
{
temp = base.jpgCompression.Compress(TmpBmp);
}
outStream.Write(BitConverter.GetBytes(temp.Length), 0, 4);
outStream.Write(temp, 0, temp.Length);
NativeMethods.memcpy(new IntPtr(ptr), Scan0, (uint)RawLength);
}
return;
}
if (this.EncodedFormat != Format)
{
throw new Exception("PixelFormat is not equal to previous Bitmap");
}
if (this.EncodedWidth != ImageSize.Width || this.EncodedHeight != ImageSize.Height)
{
throw new Exception("Bitmap width/height are not equal to previous bitmap");
}
long oldPos = outStream.Position;
outStream.Write(new byte[4], 0, 4);
long TotalDataLength = 0;
List <Rectangle> Blocks = new List <Rectangle>();
Size s = new Size(ScanArea.Width, CheckBlock.Height);
Size lastSize = new Size(ScanArea.Width % CheckBlock.Width, ScanArea.Height % CheckBlock.Height);
int lasty = ScanArea.Height - lastSize.Height;
int lastx = ScanArea.Width - lastSize.Width;
Rectangle cBlock = new Rectangle();
List <Rectangle> finalUpdates = new List <Rectangle>();
s = new Size(ScanArea.Width, s.Height);
fixed(byte *encBuffer = EncodeBuffer)
{
var index = 0;
//for (int y = ScanArea.Y; y != ScanArea.Height; )
for (int y = ScanArea.Y; y != ScanArea.Height; y += s.Height)
{
if (y == lasty)
{
s = new Size(ScanArea.Width, lastSize.Height);
}
cBlock = new Rectangle(ScanArea.X, y, ScanArea.Width, s.Height);
//if (onCodeDebugScan != null)
// onCodeDebugScan(cBlock);
int offset = (y * Stride) + (ScanArea.X * PixelSize);
if (NativeMethods.memcmp(encBuffer + offset, pScan0 + offset, (uint)Stride) != 0)
{
index = Blocks.Count - 1;
if (Blocks.Count != 0 && (Blocks[index].Y + Blocks[index].Height) == cBlock.Y)
{
cBlock = new Rectangle(Blocks[index].X, Blocks[index].Y, Blocks[index].Width, Blocks[index].Height + cBlock.Height);
Blocks[index] = cBlock;
}
else
{
Blocks.Add(cBlock);
}
}
}
for (int i = 0; i < Blocks.Count; i++)
{
s = new Size(CheckBlock.Width, Blocks[i].Height);
for (int x = ScanArea.X; x != ScanArea.Width; x += s.Width)
{
if (x == lastx)
{
s = new Size(lastSize.Width, Blocks[i].Height);
}
cBlock = new Rectangle(x, Blocks[i].Y, s.Width, Blocks[i].Height);
bool foundChanges = false;
uint blockStride = (uint)(PixelSize * cBlock.Width);
for (int j = 0; j < cBlock.Height; j++)
{
int blockOffset = (Stride * (cBlock.Y + j)) + (PixelSize * cBlock.X);
if (NativeMethods.memcmp(encBuffer + blockOffset, pScan0 + blockOffset, blockStride) != 0)
{
foundChanges = true;
}
NativeMethods.memcpy(encBuffer + blockOffset, pScan0 + blockOffset, blockStride);
//copy-changes
}
if (foundChanges)
{
index = finalUpdates.Count - 1;
if (finalUpdates.Count > 0 &&
(finalUpdates[index].X + finalUpdates[index].Width) == cBlock.X)
{
Rectangle rect = finalUpdates[index];
int newWidth = cBlock.Width + rect.Width;
cBlock = new Rectangle(rect.X, rect.Y, newWidth, rect.Height);
finalUpdates[index] = cBlock;
}
else
{
finalUpdates.Add(cBlock);
}
}
}
}
}
/*int maxHeight = 0;
* int maxWidth = 0;
*
* for (int i = 0; i < finalUpdates.Count; i++)
* {
* if (finalUpdates[i].Height > maxHeight)
* maxHeight = finalUpdates[i].Height;
* maxWidth += finalUpdates[i].Width;
* }
*
* Bitmap bmp = new Bitmap(maxWidth+1, maxHeight+1);
* int XOffset = 0;*/
for (int i = 0; i < finalUpdates.Count; i++)
{
Rectangle rect = finalUpdates[i];
int blockStride = PixelSize * rect.Width;
Bitmap tmpBmp = null;
BitmapData tmpData = null;
long length;
try
{
tmpBmp = new Bitmap(rect.Width, rect.Height, Format);
tmpData = tmpBmp.LockBits(new Rectangle(0, 0, tmpBmp.Width, tmpBmp.Height),
ImageLockMode.ReadWrite, tmpBmp.PixelFormat);
for (int j = 0, offset = 0; j < rect.Height; j++)
{
int blockOffset = (Stride * (rect.Y + j)) + (PixelSize * rect.X);
NativeMethods.memcpy((byte *)tmpData.Scan0.ToPointer() + offset, pScan0 + blockOffset, (uint)blockStride);
//copy-changes
offset += blockStride;
}
outStream.Write(BitConverter.GetBytes(rect.X), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Y), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Width), 0, 4);
outStream.Write(BitConverter.GetBytes(rect.Height), 0, 4);
outStream.Write(new byte[4], 0, 4);
length = outStream.Length;
long old = outStream.Position;
_jpgCompression.Compress(tmpBmp, ref outStream);
length = outStream.Position - length;
outStream.Position = old - 4;
outStream.Write(BitConverter.GetBytes(length), 0, 4);
outStream.Position += length;
}
finally
{
tmpBmp.UnlockBits(tmpData);
tmpBmp.Dispose();
}
TotalDataLength += length + (4 * 5);
}
outStream.Position = oldPos;
outStream.Write(BitConverter.GetBytes(TotalDataLength), 0, 4);
}
}
private void ProcessResponse(byte parameter, int size, byte[] bytes)
{
switch ((FromAdministrationPackage)parameter)
{
case FromAdministrationPackage.InitializeNewSession:
var id = BitConverter.ToUInt16(bytes, 0);
var connection = new AdministrationConnection(id, this, _clientInfo);
connection.SendFailed += (sender, args) => Dispose();
AdministrationConnections.Add(connection);
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.ResponseLoginOpen);
BinaryWriter.Write(2);
BinaryWriter.Write(BitConverter.GetBytes(id));
}
break;
case FromAdministrationPackage.SendStaticCommand:
var potentialCommand =
new Serializer(typeof(PotentialCommand)).Deserialize <PotentialCommand>(bytes, 0);
StaticCommandSelector.Current.ExecuteCommand(potentialCommand);
break;
case FromAdministrationPackage.SendStaticCommandCompressed:
potentialCommand =
new Serializer(typeof(PotentialCommand)).Deserialize <PotentialCommand>(LZF.Decompress(bytes, 0), 0);
StaticCommandSelector.Current.ExecuteCommand(potentialCommand);
break;
case FromAdministrationPackage.LoadPlugin:
var guid = new Guid(bytes.Skip(2).Take(16).ToArray());
var version = new Serializer(typeof(PluginVersion)).Deserialize <PluginVersion>(bytes,
18);
var versionData = Encoding.ASCII.GetBytes(version.ToString());
if (LoadPlugin(guid, version))
{
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.PluginLoaded);
BinaryWriter.Write(16 + versionData.Length);
BinaryWriter.Write(guid.ToByteArray());
BinaryWriter.Write(versionData);
}
}
else
{
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.PluginLoadFailed);
BinaryWriter.Write(2 + 16 + versionData.Length);
BinaryWriter.Write(bytes, 0, 2); //administration id
BinaryWriter.Write(guid.ToByteArray());
BinaryWriter.Write(versionData);
}
}
break;
case FromAdministrationPackage.CloseSession:
var closingSessionId = BitConverter.ToUInt16(bytes, 0);
var session = AdministrationConnections.FirstOrDefault(x => x.Id == closingSessionId);
if (session != null)
{
AdministrationConnections.Remove(session);
session.Dispose();
}
break;
case FromAdministrationPackage.GetActiveWindow:
try
{
string windowTitle = "";
var lastInPut = new LASTINPUTINFO();
lastInPut.cbSize = (uint)Marshal.SizeOf(lastInPut);
//15 min
if (NativeMethods.GetLastInputInfo(ref lastInPut) &&
(uint)Environment.TickCount - lastInPut.dwTime > 900000)
{
windowTitle += "[Idle] ";
}
windowTitle += ActiveWindowHook.GetActiveWindowTitle() ?? "";
var windowTitleData = Encoding.UTF8.GetBytes(windowTitle);
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.ResponseActiveWindow);
BinaryWriter.Write(windowTitleData.Length + 2);
BinaryWriter.Write(bytes);
BinaryWriter.Write(windowTitleData);
}
}
catch (Exception ex)
{
ErrorReporter.Current.ReportError(ex,
"case FromAdministrationPackage.GetActiveWindow");
}
break;
case FromAdministrationPackage.GetScreen:
try
{
using (var compressor = new JpgCompression(75))
{
byte[] screenshotData;
using (var memoryStream = new MemoryStream())
using (var screenshot = ScreenHelper.TakeScreenshot())
{
compressor.Compress(screenshot, memoryStream);
screenshotData = memoryStream.ToArray();
}
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.ResponseScreenshot);
BinaryWriter.Write(screenshotData.Length + 2);
BinaryWriter.Write(bytes);
BinaryWriter.Write(screenshotData);
}
}
}
catch (Exception ex)
{
ErrorReporter.Current.ReportError(ex, "case FromAdministrationPackage.GetScreen");
}
break;
case FromAdministrationPackage.AcceptPush:
FileTransferAccepted?.Invoke(this, new FileTransferEventArgs(new Guid(bytes)));
break;
case FromAdministrationPackage.TransferCompleted:
FileTransferCompleted?.Invoke(this, new FileTransferEventArgs(new Guid(bytes)));
break;
case FromAdministrationPackage.IsAlive:
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.StillAlive);
BinaryWriter.Write(0);
}
break;
case FromAdministrationPackage.SendStaticCommandPlugin:
var pluginDirectory = new DirectoryInfo(Consts.StaticCommandPluginsDirectory);
if (!pluginDirectory.Exists)
{
pluginDirectory.Create();
}
var filename = FileExtensions.GetUniqueFileName(pluginDirectory.FullName);
using (var fileStream = new FileStream(filename, FileMode.CreateNew, FileAccess.Write))
fileStream.Write(bytes, 4, bytes.Length - 4);
StaticCommandPluginReceived?.Invoke(this, new StaticCommandPluginReceivedEventArgs(filename,
BitConverter.ToInt32(bytes, 0)));
break;
case FromAdministrationPackage.RequestLibraryInformation:
var libraries = (PortableLibrary)BitConverter.ToInt32(bytes, 2);
var libraryHashes = (size - 6) / 16;
var hashes = new List <byte[]>(libraryHashes);
for (int i = 0; i < libraryHashes; i++)
{
var hash = new byte[16];
Buffer.BlockCopy(bytes, 6 + i * 16, hash, 0, 16);
hashes.Add(hash);
}
var result = LibraryLoader.Current.CheckLibraries(libraries, hashes);
lock (SendLock)
{
BinaryWriter.Write((byte)FromClientPackage.ResponseLibraryInformation);
BinaryWriter.Write(6);
BinaryWriter.Write(bytes, 0, 2); //administration id
BinaryWriter.Write(BitConverter.GetBytes((int)result));
}
break;
case FromAdministrationPackage.StopActiveCommand:
StaticCommandSelector.Current.StopActiveCommand(BitConverter.ToInt32(bytes, 0));
break;
}
}
