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1 ???using System; |
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2 using System.Drawing; |
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3 using System.Drawing.Imaging; |
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4 using System.Runtime.InteropServices; |
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5 using System.Runtime.CompilerServices; |
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6 using System.Threading; |
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7 using VirtualBox; |
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8 |
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9 namespace ConsoleApplication1 { |
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10 public class FramebufferUpdateEventArgs : EventArgs { |
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11 public Rectangle Rectangle { get; private set; } |
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12 public FramebufferUpdateEventArgs(Rectangle rect) { |
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13 Rectangle = rect; |
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14 } |
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15 } |
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16 [ClassInterface((Int16)0)] |
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17 [TypeLibType(2)] |
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18 [ComVisible(true)] |
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19 public class Framebuffer : IFramebuffer { |
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20 Mutex mutex = new Mutex(); |
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21 |
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22 public Framebuffer() { |
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23 byte b = 0; |
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24 RequestResize(0, (int)FramebufferPixelFormat.FramebufferPixelFormat_FOURCC_RGB, ref b, 32, 0, 640, 480); |
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25 } |
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26 |
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27 public void Lock() { |
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28 //Console.WriteLine("Lock"); |
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29 mutex.WaitOne(); |
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30 } |
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31 public void Unlock() { |
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32 //Console.WriteLine("Unlock"); |
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33 mutex.ReleaseMutex(); |
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34 } |
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35 |
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36 public Bitmap Bitmap { get; private set; } |
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37 public event EventHandler BufferChanged; |
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38 public event EventHandler<FramebufferUpdateEventArgs> Update; |
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39 |
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40 public IntPtr Address { get; private set; } |
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41 public uint BitsPerPixel { get; private set; } |
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42 public uint BytesPerLine { get; private set; } |
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43 public uint Height { get; private set; } |
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44 public uint HeightReduction { get { return 0; } } |
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45 public IFramebufferOverlay Overlay { get { return null; } } |
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46 public uint PixelFormat { get; private set; } |
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47 public int UsesGuestVRAM { get { return 0; } } |
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48 public uint Width { get; private set; } |
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49 public long WinId { get; internal set; } |
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50 |
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51 public unsafe void NotifyUpdate(uint aX, uint aY, uint aWidth, uint aHeight) { |
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52 //Console.WriteLine("NotifyUpdate X={0} Y={1} Width={2} Height={3}", aX, aY, aWidth, aHeight); |
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53 if (Update != null) Update(this, new FramebufferUpdateEventArgs(new Rectangle((int)aX, (int)aY, (int)aWidth, (int)aHeight))); |
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54 } |
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55 public void ProcessVHWACommand(ref byte aCommand) { |
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56 Console.WriteLine("ProcessVHWACommand"); |
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57 } |
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58 public unsafe int RequestResize(uint aScreenId, uint aPixelFormat, ref byte aVRAM, uint aBitsPerPixel, uint aBytesPerLine, uint aWidth, uint aHeight) { |
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59 //Note that aVRAM is a pointer, which may be NULL! |
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60 //fixed (Byte* vrp = &aVRAM) Console.WriteLine("RequestResize Current={0} ScreenId={1} PixelFormat={2} VRAM={3} BitsPerPixel={4} BytesPerLine={5} Width={6} Height={7}", Address, aScreenId, aPixelFormat, (IntPtr)vrp, aBitsPerPixel, aBytesPerLine, aWidth, aHeight); |
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61 Console.WriteLine("RequestResize Current={0} ScreenId={1} PixelFormat={2} VRAM={3} BitsPerPixel={4} BytesPerLine={5} Width={6} Height={7}", Address, aScreenId, aPixelFormat, 0, aBitsPerPixel, aBytesPerLine, aWidth, aHeight); |
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62 Lock(); |
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63 try { |
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64 IntPtr oldAddress = Address; |
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65 |
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66 Width = aWidth; |
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67 Height = aHeight; |
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68 |
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69 BitsPerPixel = 32; |
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70 PixelFormat = (int)FramebufferPixelFormat.FramebufferPixelFormat_FOURCC_RGB; |
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71 BytesPerLine = BitsPerPixel * Width / 8; //aBytesPerLine; |
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72 Address = Marshal.AllocHGlobal((int)(BytesPerLine * Height)); |
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73 if (Bitmap != null) Bitmap.Dispose(); |
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74 Bitmap = new Bitmap((int)Width, (int)Height, (int)BytesPerLine, System.Drawing.Imaging.PixelFormat.Format32bppRgb, Address); |
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75 if (BufferChanged != null) BufferChanged(this, new EventArgs()); |
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76 if (oldAddress != IntPtr.Zero) Marshal.FreeHGlobal(oldAddress); |
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77 //Console.WriteLine("RequestResizeDone Current={0} ScreenId={1} PixelFormat={2} VRAM={3} BitsPerPixel={4} BytesPerLine={5} Width={6} Height={7}", Address, aScreenId, PixelFormat, 0, BitsPerPixel, BytesPerLine, Width, Height); |
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78 } finally { |
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79 Unlock(); |
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80 } |
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81 return 1; //Finished |
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82 } |
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83 |
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84 ~Framebuffer() { |
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85 if (Bitmap != null) Bitmap.Dispose(); |
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86 if (Address != IntPtr.Zero) Marshal.FreeHGlobal(Address); |
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87 } |
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88 |
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89 public void SetVisibleRegion(ref byte aRectangles, uint aCount) { |
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90 Console.WriteLine("SetVisibleRegion"); |
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91 } |
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92 public uint GetVisibleRegion(ref byte aRectangles, uint aCount) { |
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93 Console.WriteLine("GetVisibleRegion"); |
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94 return 0; |
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95 } |
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96 public int VideoModeSupported(uint aWidth, uint aHeight, uint aBpp) { |
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97 Console.WriteLine("VideoModeSupported Width={0} Height={1} Bpp={2}", aWidth, aHeight, aBpp); |
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98 return 1; //Supported |
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99 } |
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100 } |
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101 } |
