/**更新关键帧*/
private void updateKeyFrame(Bitmap btm, ShortPoint cursorPoint)
{
if (btm != null)
{
globalCompareBitmap = (Bitmap)btm.Clone();
BitmapWithCursor bitmapWithCursor = new BitmapWithCursor();
bitmapWithCursor.setPacketType(RecPacket.PacketType.BITMAP);
bitmapWithCursor.setCursorPoint(cursorPoint);
bitmapWithCursor.setScreenBitmap(btm);
/**添加到队列*/
displayQueue.Enqueue(bitmapWithCursor);
}
}
/**
* 控制扫描块的大小，块越大，扫描速度越快，但是发送的数据量就越大;
* 块越小，扫描速度就越慢，但是发送的数据量就小；
* 局域网一般100*100
* 广域网一般40*40 或 20*20
* 是否需要协商块的大小？？？？进一步实验决定。默认的事30*30,
* 现在已经完全由server决定，client不需要blocksize
**/
//private static Size bitCmpSize = new Size(30, 30);
/**图形恢复函数*/
private void recoverBitmapFun()
{
while (isConnect)
{
try
{
DifferentBitmapWithCursor difbitWithCur = deCompressDifQueue.Dequeue();
if (difbitWithCur != null)
{
RecPacket.PacketType packetType = difbitWithCur.getPacketType();
BitmapWithCursor bitmapWithCursor = new BitmapWithCursor();
bitmapWithCursor.setPacketType(packetType);
switch (packetType)
{
case RecPacket.PacketType.BITMAP:
RecPacket.BitmapType type = difbitWithCur.getBitmapType();
ShortPoint cursorpoint = difbitWithCur.getCursorPoint();
Bitmap btm = difbitWithCur.getDifBitmap();
List <ShortRec> difPoints = difbitWithCur.getDifPointsList();
switch (type)
{
case RecPacket.BitmapType.BLOCK:
//Stopwatch sw = new Stopwatch();
//sw.Start();
Bitmap recBitmap = RecoverBitmap.recoverScreenBitmap(difPoints, globalCompareBitmap, btm /*, bitCmpSize*/);
//sw.Stop();
//Console.WriteLine("client:"+sw.ElapsedMilliseconds+"ms");
bitmapWithCursor.setCursorPoint(cursorpoint);
bitmapWithCursor.setScreenBitmap(recBitmap);
globalCompareBitmap = (Bitmap)recBitmap.Clone();
/**放到显示队列*/
displayQueue.Enqueue(bitmapWithCursor);
break;
case RecPacket.BitmapType.COMPLETE:
updateKeyFrame(btm, cursorpoint);
break;
default:
break;
}
labeldispalyQueue.Text = "显示队列大小：" + displayQueue.getQueueSize() + "\r\n";
break;
case RecPacket.PacketType.TEXT:
bitmapWithCursor.setStringValue(difbitWithCur.getStringValue());
displayQueue.Enqueue(bitmapWithCursor);
labeldispalyQueue.Text = "显示队列大小：" + displayQueue.getQueueSize() + "\r\n";
break;
default:
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private void copyScreenToBlockingQueue()
{
Stopwatch sw = new Stopwatch();
sw.Start();
int fps = 0;//统计FPS
bool nullFrame = true;
while (isSendPic)
{
while (!picFlag)
{
try
{
manulResetEvent.WaitOne();
}
catch (ThreadInterruptedException ex)
{
manulResetEvent.Reset();
Console.WriteLine(ex.Message);
ErrorInfo.getErrorWriter().writeErrorMassageToFile(ex.Message);
return;
}
}
while (picFlag)
{
try
{
Thread.Sleep(dynamicTime);
// Console.WriteLine("screenCopyThread***********");
if (isWin8Above)//above win8 version
{
/**采用DXGI形式获取桌面，只能使用在win8以上系统，效率比较高，用来代替Mirror Driver*/
DesktopFrame frame = CopyScreen.getScreenPicDXGI();
if (frame != null)
{
if (nullFrame)
{
//第一针总是黑屏，所以直接舍弃
nullFrame = false;
continue;
}
fps++;
BitmapWithCursor bitmapWithCursor = new BitmapWithCursor();
bitmapWithCursor.setCursorPoint(new ShortPoint(System.Windows.Forms.Cursor.Position.X, System.Windows.Forms.Cursor.Position.Y));
bitmapWithCursor.setScreenBitmap(frame.DesktopImage);
bitmapWithCursor.dirtyRecs = frame.UpdatedRegions;
screenCopyQueue.Enqueue(bitmapWithCursor);
textBoxCSQ.Text = "" + screenCopyQueue.getQueueSize();
}
}
else//below win8
{
int cursorX, cursorY;
/* 采用的GDI形式获取桌面图形，效率比较低*/
Bitmap btm = CopyScreen.getScreenPic(out cursorX, out cursorY);
if (btm != null)
{
fps++;
BitmapWithCursor bitmapWithCursor = new BitmapWithCursor();
bitmapWithCursor.setCursorPoint(new ShortPoint(cursorX, cursorY));
bitmapWithCursor.setScreenBitmap(btm);
screenCopyQueue.Enqueue(bitmapWithCursor);
textBoxCSQ.Text = "" + screenCopyQueue.getQueueSize();
}
}
/**fps count*/
if (sw.ElapsedMilliseconds > 1000)
{
sw.Restart();
textBoxFPS.Text = "" + fps;
fps = 0;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
ErrorInfo.getErrorWriter().writeErrorMassageToFile(ex.Message);
return;
}
}
}
}
