public static void getDesktop(Packets.ServerPackets.GetDesktop packet, ClientMosaic client)
{
byte[] desktop;
Rectangle bounds = Screen.AllScreens[packet.monitor].Bounds;
Bitmap bitmap = new Bitmap(bounds.Width, bounds.Height, PixelFormat.Format32bppArgb);
Graphics graph = Graphics.FromImage(bitmap);
graph.CopyFromScreen(bounds.X, bounds.Y, 0, 0, bounds.Size, CopyPixelOperation.SourceCopy);
using (var stream = new MemoryStream())
{
bitmap.Save(stream, ImageFormat.Png);
desktop = stream.ToArray();
}
new GetDesktopResponse(desktop, packet.monitor).Execute(client);
}
public static void HandleGetDesktop(Packets.ServerPackets.GetDesktop command, Client client)
{
if (StreamCodec == null || StreamCodec.ImageQuality != command.Quality ||
StreamCodec.Monitor != command.Monitor)
{
StreamCodec = new UnsafeStreamCodec(command.Quality, command.Monitor);
}
BitmapData bmpdata = null;
try
{
LastDesktopScreenshot = Helper.Helper.GetDesktop(command.Monitor);
bmpdata = LastDesktopScreenshot.LockBits(
new Rectangle(0, 0, LastDesktopScreenshot.Width, LastDesktopScreenshot.Height), ImageLockMode.ReadWrite,
LastDesktopScreenshot.PixelFormat);
using (MemoryStream stream = new MemoryStream())
{
StreamCodec.CodeImage(bmpdata.Scan0,
new Rectangle(0, 0, LastDesktopScreenshot.Width, LastDesktopScreenshot.Height),
new Size(LastDesktopScreenshot.Width, LastDesktopScreenshot.Height),
LastDesktopScreenshot.PixelFormat,
stream);
new Packets.ClientPackets.GetDesktopResponse(stream.ToArray(), StreamCodec.ImageQuality,
StreamCodec.Monitor).Execute(client);
}
}
catch
{
new Packets.ClientPackets.GetDesktopResponse(null, StreamCodec.ImageQuality, StreamCodec.Monitor).Execute(client);
StreamCodec = null;
}
finally
{
if (LastDesktopScreenshot != null)
{
if (bmpdata != null)
{
LastDesktopScreenshot.UnlockBits(bmpdata);
}
LastDesktopScreenshot.Dispose();
}
}
}
public static void HandleGetDesktop(Packets.ServerPackets.GetDesktop command, Client client)
{
var resolution = FormatHelper.FormatScreenResolution(ScreenHelper.GetBounds(command.Monitor));
if (StreamCodec == null)
{
StreamCodec = new UnsafeStreamCodec(command.Quality, command.Monitor, resolution);
}
if (StreamCodec.ImageQuality != command.Quality || StreamCodec.Monitor != command.Monitor ||
StreamCodec.Resolution != resolution)
{
if (StreamCodec != null)
{
StreamCodec.Dispose();
}
StreamCodec = new UnsafeStreamCodec(command.Quality, command.Monitor, resolution);
}
BitmapData desktopData = null;
Bitmap desktop = null;
try
{
desktop = ScreenHelper.CaptureScreen(command.Monitor);
desktopData = desktop.LockBits(new Rectangle(0, 0, desktop.Width, desktop.Height),
ImageLockMode.ReadWrite, desktop.PixelFormat);
using (MemoryStream stream = new MemoryStream())
{
if (StreamCodec == null)
{
throw new Exception("StreamCodec can not be null.");
}
StreamCodec.CodeImage(desktopData.Scan0,
new Rectangle(0, 0, desktop.Width, desktop.Height),
new Size(desktop.Width, desktop.Height),
desktop.PixelFormat, stream);
new Packets.ClientPackets.GetDesktopResponse(stream.ToArray(), StreamCodec.ImageQuality,
StreamCodec.Monitor, StreamCodec.Resolution).Execute(client);
}
}
catch (Exception)
{
if (StreamCodec != null)
{
new Packets.ClientPackets.GetDesktopResponse(null, StreamCodec.ImageQuality, StreamCodec.Monitor,
StreamCodec.Resolution).Execute(client);
}
StreamCodec = null;
}
finally
{
if (desktop != null)
{
if (desktopData != null)
{
try
{
desktop.UnlockBits(desktopData);
}
catch
{
}
}
desktop.Dispose();
}
}
}
