public void run()
{
NetworkStream serverStream = null;
QuickLZ lz = new QuickLZ();
try
{
clientSocket.Connect(ScreenCasterSystemTray.Program.hostName, 6000);
serverStream = clientSocket.GetStream();
}
catch (Exception e)
{
useSocket = false;
MessageBox.Show("Could not connect to '" + ScreenCasterSystemTray.Program.hostName + "' port 6000");
return;
}
DxScreenCapture sc = new DxScreenCapture();
UInt32[] screenbuf = new UInt32[1920 * 1200];
byte[] outputBuf = new byte[1024 * 10000];
byte[] outputBufCompressed = new byte[1024 * 10000];
bool done = false;
try
{
while (!done)
{
x1 = -1;
x2 = -1;
y1 = -1;
y2 = -1;
Surface s = sc.CaptureScreen();
System.Drawing.Point mPosition = Cursor.Position;
//s.LockRectangle(LockFlags.ReadOnly);
DataRectangle dr = s.LockRectangle(LockFlags.None);
DataStream gs = dr.Data;
for (int y = 0; y < screenHeight; y++)
{
for (int x = 0; x < screenWidth; x++)
{
UInt32 pixel = gs.Read<UInt32>();
int offset = ((y * screenWidth) + x);
if (pixel != screenbuf[offset])
{
differentPixel(x, y);
}
screenbuf[offset] = pixel;
}
}
gs.Dispose();
while ((x1 % 4) != 0) x1--;
while ((x2 % 4) != 0) x2++;
while ((y1 % 4) != 0) y1--;
while ((y2 % 4) != 0) y2++;
s.UnlockRectangle();
if (x1 == -4)
{
x1 = 0; x2 = 4; y1 = 0; y2 = 4;
}
if (x1 != -4)
{
DataStream ds = Surface.ToStream(s, ImageFileFormat.Bmp, new System.Drawing.Rectangle(x1, y1, x2 - x1, y2 - y1));
int dsLength = Convert.ToInt32(ds.Length);
ds.Read(outputBuf, 0, dsLength);
ds.Dispose();
uint compressedLength = lz.Compress(outputBuf, outputBufCompressed, dsLength);
int mouseX = mPosition.X;
int mouseY = mPosition.Y;
if (useSocket)
{
byte[] header = new byte[24];
header[0] = 1;
header[1] = 2;
header[2] = 3;
header[3] = 4;
int length = Convert.ToInt32(compressedLength);
intToBytes(header, 4, length);
intToBytes(header, 8, x1);
intToBytes(header, 12, y1);
intToBytes(header, 16, mouseX);
intToBytes(header, 20, mouseY);
serverStream.Write(header, 0, header.Length);
serverStream.Write(outputBufCompressed, 0, (int)compressedLength);
serverStream.Flush();
}
}
s.Dispose();
Thread.Sleep(100);
}
}
catch (Exception e)
{
MessageBox.Show("Connection lost in screengrab");
return;
}
}
public void run()
{
NetworkStream serverStream = null;
QuickLZ lz = new QuickLZ();
try
{
clientSocket.Connect(ScreenCasterSystemTray.Program.hostName, 6000);
serverStream = clientSocket.GetStream();
}
catch (Exception e)
{
useSocket = false;
MessageBox.Show("Could not connect to '" + ScreenCasterSystemTray.Program.hostName + "' port 6000");
return;
}
DxScreenCapture sc = new DxScreenCapture();
UInt32[] screenbuf = new UInt32[1920 * 1200];
byte[] outputBuf = new byte[1024 * 10000];
byte[] outputBufCompressed = new byte[1024 * 10000];
bool done = false;
try
{
while (!done)
{
x1 = -1;
x2 = -1;
y1 = -1;
y2 = -1;
Surface s = sc.CaptureScreen();
System.Drawing.Point mPosition = Cursor.Position;
//s.LockRectangle(LockFlags.ReadOnly);
DataRectangle dr = s.LockRectangle(LockFlags.None);
DataStream gs = dr.Data;
for (int y = 0; y < screenHeight; y++)
{
for (int x = 0; x < screenWidth; x++)
{
UInt32 pixel = gs.Read <UInt32>();
int offset = ((y * screenWidth) + x);
if (pixel != screenbuf[offset])
{
differentPixel(x, y);
}
screenbuf[offset] = pixel;
}
}
gs.Dispose();
while ((x1 % 4) != 0)
{
x1--;
}
while ((x2 % 4) != 0)
{
x2++;
}
while ((y1 % 4) != 0)
{
y1--;
}
while ((y2 % 4) != 0)
{
y2++;
}
s.UnlockRectangle();
if (x1 == -4)
{
x1 = 0; x2 = 4; y1 = 0; y2 = 4;
}
if (x1 != -4)
{
DataStream ds = Surface.ToStream(s, ImageFileFormat.Bmp, new System.Drawing.Rectangle(x1, y1, x2 - x1, y2 - y1));
int dsLength = Convert.ToInt32(ds.Length);
ds.Read(outputBuf, 0, dsLength);
ds.Dispose();
uint compressedLength = lz.Compress(outputBuf, outputBufCompressed, dsLength);
int mouseX = mPosition.X;
int mouseY = mPosition.Y;
if (useSocket)
{
byte[] header = new byte[24];
header[0] = 1;
header[1] = 2;
header[2] = 3;
header[3] = 4;
int length = Convert.ToInt32(compressedLength);
intToBytes(header, 4, length);
intToBytes(header, 8, x1);
intToBytes(header, 12, y1);
intToBytes(header, 16, mouseX);
intToBytes(header, 20, mouseY);
serverStream.Write(header, 0, header.Length);
serverStream.Write(outputBufCompressed, 0, (int)compressedLength);
serverStream.Flush();
}
}
s.Dispose();
Thread.Sleep(100);
}
}
catch (Exception e)
{
MessageBox.Show("Connection lost in screengrab");
return;
}
}
