/**
* Returns a rotated version of the image
* The image is rotated counter-clockwise.
*/
public RawImage GetRotated( )
{
RawImage rotated = new RawImage ( );
rotated.Version = this.Version;
rotated.Bpp = this.Bpp;
rotated.Size = this.Size;
rotated.Red.Offset = this.Red.Offset;
rotated.Red.Length = this.Red.Length;
rotated.Green.Offset = this.Green.Offset;
rotated.Green.Length = this.Green.Length;
rotated.Blue.Offset = this.Blue.Offset;
rotated.Blue.Length = this.Blue.Length;
rotated.Alpha.Offset = this.Alpha.Offset;
rotated.Alpha.Length = this.Alpha.Length;
rotated.Width = this.Height;
rotated.Height = this.Width;
int count = this.Data.Length;
rotated.Data = new byte[count];
int byteCount = this.Bpp >> 3; // bpp is in bits, we want bytes to match our array
int w = this.Width;
int h = this.Height;
for ( int y = 0; y < h; y++ ) {
for ( int x = 0; x < w; x++ ) {
Array.Copy ( this.Data, ( y * w + x ) * byteCount,
rotated.Data, ( ( w - x - 1 ) * h + y ) * byteCount,
byteCount );
}
}
return rotated;
}
public RawImage GetFrameBuffer(IPEndPoint adbSockAddr, Device device)
{
RawImage imageParams = new RawImage();
byte[] request = FormAdbRequest("framebuffer:"); //$NON-NLS-1$
byte[] nudge = { 0 };
byte[] reply;
Socket adbChan = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
adbChan.Connect(adbSockAddr);
adbChan.Blocking = true;
// if the device is not -1, then we first tell adb we're looking to talk
// to a specific device
SetDevice(adbChan, device?.SerialNumber);
Write(adbChan, request);
AdbResponse resp = ReadAdbResponse(adbChan);
if (!resp.IOSuccess || !resp.Okay)
{
Log.v(LOGGING_TAG, "Got timeout or unhappy response from ADB fb req: " + resp.Message);
adbChan.Close();
return null;
}
// first the protocol version.
reply = new byte[4];
Read(adbChan, reply);
BinaryReader buf;
int version = 0;
using (MemoryStream ms = new MemoryStream(reply))
{
buf = new BinaryReader(ms);
version = buf.ReadInt16();
}
// get the header size (this is a count of int)
int headerSize = RawImage.GetHeaderSize(version);
// read the header
reply = new byte[headerSize*4];
Read(adbChan, reply);
using (MemoryStream ms = new MemoryStream(reply))
{
buf = new BinaryReader(ms);
// fill the RawImage with the header
if (imageParams.ReadHeader(version, buf) == false)
{
Log.v(LOGGING_TAG, "Unsupported protocol: " + version);
return null;
}
}
Log.d(LOGGING_TAG, "image params: bpp=" + imageParams.Bpp + ", size="
+ imageParams.Size + ", width=" + imageParams.Width
+ ", height=" + imageParams.Height);
Write(adbChan, nudge);
reply = new byte[imageParams.Size];
Read(adbChan, reply);
imageParams.Data = reply;
}
finally
{
adbChan?.Close();
}
return imageParams;
}
