//
// sf@2002
// - Read a cache rects zipped block coming from the server
// - Restore all these cache rects on the screen
void ClientConnection::ReadCacheZip(rfbFramebufferUpdateRectHeader *pfburh,HRGN *prgn)
{
UINT nNbCacheRects = pfburh->r.x;
UINT numRawBytes = nNbCacheRects * sz_rfbRectangle;
numRawBytes += (numRawBytes/100) + 8;
UINT numCompBytes;
rfbZlibHeader hdr;
// Read in the rfbZlibHeader
ReadExact((char *)&hdr, sz_rfbZlibHeader);
numCompBytes = Swap32IfLE(hdr.nBytes);
// Check the net buffer
CheckBufferSize(numCompBytes);
// Read the compressed data
ReadExact((char *)m_netbuf, numCompBytes);
// Verify buffer space for cache rects list
CheckZipBufferSize(numRawBytes);
int nRet = uncompress((unsigned char*)m_zipbuf,// Dest
(unsigned long*)&numRawBytes,// Dest len
(unsigned char*)m_netbuf, // Src
numCompBytes // Src len
);
if (nRet != 0)
{
return;
}
// Read all the cache rects
rfbRectangle theRect;
BYTE* p = m_zipbuf;
for (UINT i = 0 ; i < nNbCacheRects; i++)
{
memcpy((BYTE*)&theRect, p, sz_rfbRectangle);
p += sz_rfbRectangle;
RECT cacherect;
cacherect.left = Swap16IfLE(theRect.x);
cacherect.right = Swap16IfLE(theRect.x) + Swap16IfLE(theRect.w);
cacherect.top = Swap16IfLE(theRect.y);
cacherect.bottom = Swap16IfLE(theRect.y) + Swap16IfLE(theRect.h);
SoftCursorLockArea(cacherect.left, cacherect.top, cacherect.right - cacherect.left, cacherect.bottom - cacherect.top);
RestoreArea(cacherect);
InvalidateRegion(&cacherect,prgn);
}
}
void ClientConnection::ReadCacheRect(rfbFramebufferUpdateRectHeader *pfburh)
{
rfbCacheRect cr;
ReadExact((char *) &cr, sz_rfbCacheRect);
cr.special = Swap16IfLE(cr.special);
RECT rect;
rect.left=pfburh->r.x;
rect.right=pfburh->r.x+pfburh->r.w;
rect.top=pfburh->r.y;
rect.bottom=pfburh->r.y+pfburh->r.h;
RestoreArea(rect);
}
SaveScreen::~SaveScreen()
{
_OT(SysLog(L"[%p] SaveScreen::~SaveScreen()", this));
RestoreArea();
}
