cloudstack/thirdparty/vnc/viewer/AxVncViewer/ClientConnectionRaw.cpp
2011-01-28 16:07:46 -08:00

78 lines
2.6 KiB
C++

// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This file is part of the VNC system.
//
// The VNC system is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// TightVNC distribution homepage on the Web: http://www.tightvnc.com/
//
// If the source code for the VNC system is not available from the place
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on vnc@uk.research.att.com for information on obtaining it.
// Raw Encoding
//
// The bits of the ClientConnection object to do with Raw.
#include "stdhdrs.h"
#include "vncviewer.h"
#include "ClientConnection.h"
void ClientConnection::ReadRawRect(rfbFramebufferUpdateRectHeader *pfburh) {
UINT numpixels = pfburh->r.w * pfburh->r.h;
// this assumes at least one byte per pixel. Naughty.
UINT numbytes = numpixels * m_minPixelBytes;
// Read in the whole thing
CheckBufferSize(numbytes);
ReadExact(m_netbuf, numbytes);
if (UltraFast && m_DIBbits)
{
omni_mutex_lock l(m_bitmapdcMutex);
ConvertAll(pfburh->r.w,pfburh->r.h,pfburh->r.x, pfburh->r.y,m_myFormat.bitsPerPixel/8,(BYTE *)m_netbuf,(BYTE *)m_DIBbits,m_si.framebufferWidth);
return;
}
SETUP_COLOR_SHORTCUTS;
{
// No other threads can use bitmap DC
omni_mutex_lock l(m_bitmapdcMutex);
ObjectSelector b(m_hBitmapDC, m_hBitmap); \
PaletteSelector p(m_hBitmapDC, m_hPalette); \
// This big switch is untidy but fast
switch (m_myFormat.bitsPerPixel) {
case 8:
SETPIXELS(m_netbuf, 8, pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h)
break;
case 16:
SETPIXELS(m_netbuf, 16, pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h)
break;
case 24:
case 32:
SETPIXELS(m_netbuf, 32, pfburh->r.x, pfburh->r.y, pfburh->r.w, pfburh->r.h)
break;
default:
vnclog.Print(0, _T("Invalid number of bits per pixel: %d\n"), m_myFormat.bitsPerPixel);
return;
}
}
}