// Send a set of rectangles
BOOL
vncClient::SendRectangles(const rfb::RectVector &rects)
{
rfb::Rect rect;
rfb::RectVector::const_iterator i;
// Work through the list of rectangles, sending each one
for (i=rects.begin();i!=rects.end();i++) {
if (!SendRectangle(*i))
return FALSE;
}
return TRUE;
}
UINT vncEncodeXZ::EncodeBulkRects(const rfb::RectVector &allRects, BYTE *source, BYTE *dest, VSocket *outConn)
{
if (allRects.empty()) {
return TRUE;
}
xzos->SetCompressLevel(m_compresslevel);
mos->clear();
xzos->setUnderlying(mos);
int nAllRects = allRects.size();
rfb::RectVector::const_iterator i;
for (i=allRects.begin();i!=allRects.end();i++) {
const rfb::Rect& rect(*i);
rfbRectangle rectangle;
rectangle.x = Swap16IfLE(rect.tl.x-m_SWOffsetx);
rectangle.y = Swap16IfLE(rect.tl.y-m_SWOffsety);
rectangle.w = Swap16IfLE(rect.br.x - rect.tl.x);
rectangle.h = Swap16IfLE(rect.br.y - rect.tl.y);
xzos->writeBytes((const void*)&rectangle, sz_rfbRectangle);
}
for (i=allRects.begin();i!=allRects.end();i++) {
const rfb::Rect& rect(*i);
int x = rect.tl.x;
int y = rect.tl.y;
int w = rect.br.x - x;
int h = rect.br.y - y;
EncodeRect_Internal(source, x, y, w, h);
}
xzos->flush();
const void* pDataBytes = mos->data();
int nDataLength = mos->length();
assert(nDataLength > 0);
rfbFramebufferUpdateRectHeader surh;
if( m_use_xzyw ){
surh.encoding = Swap32IfLE(rfbEncodingXZYW);
}else{
surh.encoding = Swap32IfLE(rfbEncodingXZ);
}
int nAllRectsHigh = (nAllRects & 0xFFFF0000) >> 16;
int nAllRectsLow = (nAllRects & 0x0000FFFF);
int nDataLengthHigh = (nDataLength & 0xFFFF0000) >> 16;
int nDataLengthLow = (nDataLength & 0x0000FFFF);
surh.r.x = Swap16IfLE(nAllRectsHigh);
surh.r.y = Swap16IfLE(nAllRectsLow);
surh.r.w = Swap16IfLE(nDataLengthHigh);
surh.r.h = Swap16IfLE(nDataLengthLow);
UINT nTotalLength = 0;
if (!outConn->SendExact((const char*)&surh, sz_rfbFramebufferUpdateRectHeader)) {
return FALSE;
}
nTotalLength += sz_rfbFramebufferUpdateRectHeader;
if (!outConn->SendExact((const char*)pDataBytes, nDataLength)) {
return FALSE;
}
nTotalLength += nDataLength;
return nDataLength > 0 ? TRUE : FALSE;
}
