// Encode the rectangle using zlib compression
inline UINT
vncEncodeZlib::EncodeRect(BYTE *source, CurlSocket *outConn, BYTE *dest, const RECT &rect, int offx, int offy)
{
int totalSize = 0;
int partialSize = 0;
int maxLines;
int linesRemaining;
offsetx = offx;
offsety = offy;
RECT partialRect;
const int rectW = rect.right - rect.left;
const int rectH = rect.bottom - rect.top;
partialRect.right = rect.right;
partialRect.left = rect.left;
partialRect.top = rect.top;
partialRect.bottom = rect.bottom;
/* WBB: For testing purposes only! */
// vnclog.Print(LL_INTINFO, VNCLOG("rect.right=%d rect.left=%d rect.top=%d rect.bottom=%d\n"), rect.right, rect.left, rect.top, rect.bottom);
maxLines = ( ZLIB_MAX_SIZE(rectW) / rectW );
linesRemaining = rectH;
while ( linesRemaining > 0 ) {
int linesToComp;
if ( maxLines < linesRemaining )
linesToComp = maxLines;
else
linesToComp = linesRemaining;
partialRect.bottom = partialRect.top + linesToComp;
/* WBB: For testing purposes only! */
// vnclog.Print(LL_INTINFO, VNCLOG("partialRect.right=%d partialRect.left=%d partialRect.top=%d partialRect.bottom=%d\n"), partialRect.right, partialRect.left, partialRect.top, partialRect.bottom);
partialSize = EncodeOneRect( source, dest, partialRect );
totalSize += partialSize;
linesRemaining -= linesToComp;
partialRect.top += linesToComp;
if (( linesRemaining > 0 ) &&
( partialSize > 0 ))
{
// Send the encoded data
outConn->SendQueued( (char *)dest, partialSize );
transmittedSize += partialSize;
}
}
transmittedSize += partialSize;
return partialSize;
}
UINT
vncEncodeZlib::NumCodedRects(const rfb::Rect &rect)
{
const int rectW = rect.br.x - rect.tl.x;
const int rectH = rect.br.y - rect.tl.y;
int aantal=(( rectH - 1 ) / ( ZLIB_MAX_SIZE( rectW ) / rectW ) + 1 );
m_queueEnable=false;
if (m_use_lastrect && aantal>1) {
m_queueEnable=true;
return 0;
}
/******************************************************************
return 1;
******************************************************************/
// Return the number of rectangles needed to encode the given
// update. ( ZLIB_MAX_SIZE(rectW) / rectW ) is the number of lines in
// each maximum size rectangle.
// When solid is enabled, most of the pixels are removed
return (( rectH - 1 ) / ( ZLIB_MAX_SIZE( rectW ) / rectW ) + 1 );
}
UINT
vncEncodeZlib::NumCodedRects(RECT &rect)
{
/******************************************************************
return 1;
******************************************************************/
const int rectW = rect.right - rect.left;
const int rectH = rect.bottom - rect.top;
// Return the number of rectangles needed to encode the given
// update. ( ZLIB_MAX_SIZE(rectW) / rectW ) is the number of lines in
// each maximum size rectangle.
return (( rectH - 1 ) / ( ZLIB_MAX_SIZE( rectW ) / rectW ) + 1 );
}
