void ClientConnection::ReadCopyRect(rfbFramebufferUpdateRectHeader *pfburh) {
rfbCopyRect cr;
ReadExact((char *) &cr, sz_rfbCopyRect);
cr.srcX = Swap16IfLE(cr.srcX);
cr.srcY = Swap16IfLE(cr.srcY);
// By sure the rect is insite the border memcopy does not like it
if (!Check_Rectangle_borders(pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h)) return;
if (!Check_Rectangle_borders(cr.srcX, cr.srcY, pfburh->r.w, pfburh->r.h)) return;
// tight If *Cursor encoding is used, we should extend our "cursor lock area"
// (previously set to destination rectangle) to the source rect as well.
SoftCursorLockArea(cr.srcX, cr.srcY, pfburh->r.w, pfburh->r.h);
if (m_DIBbits)
{
omni_mutex_lock l(m_bitmapdcMutex);
int bytesPerInputRow = m_si.framebufferWidth * m_myFormat.bitsPerPixel/8;
int bytesPerOutputRow = pfburh->r.w * m_myFormat.bitsPerPixel/8;
int OutputHeight=pfburh->r.h;
BYTE *sourcepos,*iptr,*destpos,*optr;
if (cr.srcY<=pfburh->r.y)
{
{
destpos = (BYTE*)m_DIBbits + (bytesPerInputRow * (pfburh->r.y+pfburh->r.h-1))+(pfburh->r.x * m_myFormat.bitsPerPixel/8);
sourcepos = (BYTE*)m_DIBbits + (bytesPerInputRow * (cr.srcY+pfburh->r.h-1))+((cr.srcX) * m_myFormat.bitsPerPixel/8);
iptr=sourcepos;
optr=destpos;
while (OutputHeight > 0) {
memcpy(optr, iptr, bytesPerOutputRow);
iptr -= bytesPerInputRow;
optr -= bytesPerInputRow;
OutputHeight--;
}
}
}
else if (cr.srcY>pfburh->r.y)
{
{
destpos = (BYTE*)m_DIBbits + (bytesPerInputRow * pfburh->r.y)+(pfburh->r.x * m_myFormat.bitsPerPixel/8);
sourcepos = (BYTE*)m_DIBbits + (bytesPerInputRow * (cr.srcY))+((cr.srcX) * m_myFormat.bitsPerPixel/8);
iptr=sourcepos;
optr=destpos;
while (OutputHeight > 0) {
memcpy(optr, iptr, bytesPerOutputRow);
iptr += bytesPerInputRow;
optr += bytesPerInputRow;
OutputHeight--;
}
}
}
}
}
void ClientConnection::ReadUltraRect(rfbFramebufferUpdateRectHeader *pfburh) {
UINT numpixels = pfburh->r.w * pfburh->r.h;
// this assumes at least one byte per pixel. Naughty.
UINT numRawBytes = numpixels * m_minPixelBytes;
UINT numCompBytes;
lzo_uint new_len;
rfbZlibHeader hdr;
// Read in the rfbZlibHeader
omni_mutex_lock l(m_bitmapdcMutex);
ReadExact((char *)&hdr, sz_rfbZlibHeader);
numCompBytes = Swap32IfLE(hdr.nBytes);
// Read in the compressed data
CheckBufferSize(numCompBytes);
ReadExact(m_netbuf, numCompBytes);
CheckZlibBufferSize(numRawBytes);
lzo1x_decompress((BYTE*)m_netbuf,numCompBytes,(BYTE*)m_zlibbuf,&new_len,NULL);
SoftCursorLockArea(pfburh->r.x, pfburh->r.y,pfburh->r.w,pfburh->r.h);
if (!Check_Rectangle_borders(pfburh->r.x, pfburh->r.y,pfburh->r.w,pfburh->r.h)) return;
if (m_DIBbits) ConvertAll(pfburh->r.w,pfburh->r.h,pfburh->r.x, pfburh->r.y,m_myFormat.bitsPerPixel/8,(BYTE *)m_zlibbuf,(BYTE *)m_DIBbits,m_si.framebufferWidth);
}
void ClientConnection::ReadUltraZip(rfbFramebufferUpdateRectHeader *pfburh,HRGN *prgn)
{
UINT nNbCacheRects = pfburh->r.x;
UINT numRawBytes = pfburh->r.y+pfburh->r.w*65535;
UINT numCompBytes;
lzo_uint new_len;
rfbZlibHeader hdr;
// Read in the rfbZlibHeader
omni_mutex_lock l(m_bitmapdcMutex);
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
CheckZlibBufferSize(numRawBytes+500);
lzo1x_decompress((BYTE*)m_netbuf,numCompBytes,(BYTE*)m_zlibbuf,&new_len,NULL);
BYTE* pzipbuf = m_zlibbuf;
for (UINT i = 0 ; i < nNbCacheRects; i++)
{
rfbFramebufferUpdateRectHeader surh;
memcpy((char *) &surh,pzipbuf, sz_rfbFramebufferUpdateRectHeader);
surh.r.x = Swap16IfLE(surh.r.x);
surh.r.y = Swap16IfLE(surh.r.y);
surh.r.w = Swap16IfLE(surh.r.w);
surh.r.h = Swap16IfLE(surh.r.h);
surh.encoding = Swap32IfLE(surh.encoding);
pzipbuf += sz_rfbFramebufferUpdateRectHeader;
RECT rect;
rect.left = surh.r.x;
rect.right = surh.r.x + surh.r.w;
rect.top = surh.r.y;
rect.bottom = surh.r.y + surh.r.h;
//border check
if (!Check_Rectangle_borders(rect.left,rect.top,surh.r.w,surh.r.h)) return;
SoftCursorLockArea(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
if ( surh.encoding==rfbEncodingRaw)
{
UINT numpixels = surh.r.w * surh.r.h;
if (m_DIBbits) ConvertAll(surh.r.w,surh.r.h,surh.r.x, surh.r.y,m_myFormat.bitsPerPixel/8,(BYTE *)pzipbuf,(BYTE *)m_DIBbits,m_si.framebufferWidth);
pzipbuf +=numpixels*m_myFormat.bitsPerPixel/8;
if (!m_opts.m_Directx)InvalidateRegion(&rect,prgn);
}
}
}
