63 lines
2.3 KiB
C#
63 lines
2.3 KiB
C#
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO.Pipes;
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namespace ITNexusAgent;
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// Läuft als User-Prozess (via schtasks), nicht als SYSTEM-Service
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// Captured den Desktop und schickt JPEG-Frames via Named Pipe an den Service
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public static class CaptureModeRunner
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{
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private static readonly ImageCodecInfo JpegCodec =
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ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == ImageFormat.Jpeg.Guid);
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public static void Run(string pipeName)
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{
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if (string.IsNullOrEmpty(pipeName)) return;
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try
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{
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using var pipe = new NamedPipeClientStream(".", pipeName, PipeDirection.Out);
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pipe.Connect(5000); // 5s timeout
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var encParams = new EncoderParameters(1);
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encParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 60L);
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// Alle Screens zusammenführen (Multi-Monitor-Support)
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var allScreens = System.Windows.Forms.Screen.AllScreens;
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int left = allScreens.Min(s => s.Bounds.X);
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int top = allScreens.Min(s => s.Bounds.Y);
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int right = allScreens.Max(s => s.Bounds.X + s.Bounds.Width);
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int bottom = allScreens.Max(s => s.Bounds.Y + s.Bounds.Height);
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int totalW = right - left;
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int totalH = bottom - top;
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while (pipe.IsConnected)
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{
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try
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{
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using var bmp = new Bitmap(totalW, totalH, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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using (var g = Graphics.FromImage(bmp))
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g.CopyFromScreen(left, top, 0, 0, new Size(totalW, totalH));
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byte[] jpeg;
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using (var ms = new MemoryStream())
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{
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bmp.Save(ms, JpegCodec, encParams);
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jpeg = ms.ToArray();
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}
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// Länge (4 Bytes LE) + JPEG-Daten
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pipe.Write(BitConverter.GetBytes(jpeg.Length));
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pipe.Write(jpeg);
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pipe.Flush();
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}
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catch { break; }
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Thread.Sleep(150); // ~6-7 fps
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}
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}
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catch { /* Pipe nicht verfügbar oder Timeout → Exit */ }
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}
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}
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