/// <summary>
/// Writes the MovedImageFragment to the data stream.
/// </summary>
/// <param name="s"></param>
public void WriteToDataStream(IDataStream s)
{
s.WriteInt16((short)bounds.X);
s.WriteInt16((short)bounds.Y);
s.WriteUInt16((ushort)bounds.Width);
s.WriteUInt16((ushort)bounds.Height);
s.WriteInt16((short)source.X);
s.WriteInt16((short)source.Y);
}
internal void WriteToDataStream(IDataStream s)
{
s.WriteByte(adapterIndex);
s.WriteByte(outputIndex);
byte[] strData = Encoding.UTF8.GetBytes(adapterName);
s.WriteUInt16((ushort)strData.Length);
s.Write(strData, 0, strData.Length);
strData = Encoding.UTF8.GetBytes(outputName);
s.WriteUInt16((ushort)strData.Length);
s.Write(strData, 0, strData.Length);
s.WriteInt16(X);
s.WriteInt16(Y);
s.WriteUInt16(Width);
s.WriteUInt16(Height);
}
/// <summary>
/// Writes the DirtyImageFragment to the data stream in compressed format.
/// </summary>
/// <param name="s">The stream to write the frame to.</param>
/// <param name="compressor">A TJCompressor instance that is preconfigured with quality and subsampling options. Can be null if the image is already compressed.</param>
/// <param name="compressToBuffer">The buffer to compress to, not used if the image is already compressed.</param>
public void WriteToDataStream(IDataStream s, TJCompressor compressor, ref byte[] compressToBuffer)
{
s.WriteInt16((short)bounds.X);
s.WriteInt16((short)bounds.Y);
s.WriteUInt16((ushort)bounds.Width);
s.WriteUInt16((ushort)bounds.Height);
if (screenshot.BufferIsCompressed)
{
s.WriteInt32(screenshot.Buffer.Length); // Write length of image
s.Write(screenshot.Buffer, 0, screenshot.Buffer.Length); // Write image
}
else
{
turbojpegCLI.PixelFormat pixelFormat = screenshot.BitsPerPixel == 24 ? turbojpegCLI.PixelFormat.BGR : turbojpegCLI.PixelFormat.BGRX;
compressor.setSourceImage(screenshot.Buffer, 0, 0, screenshot.Width, screenshot.Stride, screenshot.Height, pixelFormat);
compressor.compress(ref compressToBuffer, turbojpegCLI.Flag.NONE);
int compressedSize = compressor.getCompressedSize();
s.WriteInt32(compressedSize); // Write length of image
s.Write(compressToBuffer, 0, compressedSize); // Write image
}
}
public void WriteToDataStream(IDataStream s, ref byte[] compressToBuffer, int jpegQuality = 80, turbojpegCLI.SubsamplingOption subsamp = turbojpegCLI.SubsamplingOption.SAMP_420)
{
if (movedFragments.Length > 65535)
{
throw new Exception("FragmentedImage has too many movedFragments: " + movedFragments.Length);
}
if (dirtyFragments.Length > 65535)
{
throw new Exception("FragmentedImage has too many dirtyFragments: " + dirtyFragments.Length);
}
s.WriteByte((byte)Command.GetScreenCapture); // Write command code
s.WriteByte(streamId); // Write stream ID
// Calculate buffer sizes
s.WriteUInt16((ushort)movedFragments.Length); // Write number of fragments
s.WriteUInt16((ushort)dirtyFragments.Length); // Write number of fragments
if (movedFragments.Length == 0 && dirtyFragments.Length == 0)
{
return;
}
foreach (MovedImageFragment moveFrag in movedFragments)
{
moveFrag.WriteToDataStream(s);
}
if (dirtyFragments.Length > 0)
{
if (dirtyFragments[0].screenshot.BufferIsCompressed)
{
foreach (DirtyImageFragment dirtyFrag in dirtyFragments)
{
dirtyFrag.WriteToDataStream(s, null, ref compressToBuffer);
}
}
else
{
using (turbojpegCLI.TJCompressor compressor = new turbojpegCLI.TJCompressor())
{
compressor.setSubsamp(subsamp);
compressor.setJPEGQuality(jpegQuality);
int requiredBufferSize = 0;
foreach (DirtyImageFragment dirtyFrag in dirtyFragments)
{
int thisBufferSize = turbojpegCLI.TJ.bufSize(dirtyFrag.screenshot.Width, dirtyFrag.screenshot.Height, subsamp);
requiredBufferSize = Math.Max(requiredBufferSize, thisBufferSize);
}
if (compressToBuffer == null || compressToBuffer.Length < requiredBufferSize)
{
compressToBuffer = new byte[requiredBufferSize];
}
foreach (DirtyImageFragment dirtyFrag in dirtyFragments)
{
dirtyFrag.WriteToDataStream(s, compressor, ref compressToBuffer);
}
}
}
}
}
