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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <rfb/PixelFormat.h>
#include <rfb/msgTypes.h>
#include <rfb/Exception.h>
#include <rdr/InStream.h>
#include <rfb/CMsgReaderV3.h>
#include <rfb/CMsgHandler.h>
#include <rfb/util.h>
using namespace rfb;
CMsgReaderV3::CMsgReaderV3(CMsgHandler* handler, rdr::InStream* is)
: CMsgReader(handler, is), nUpdateRectsLeft(0)
{
}
CMsgReaderV3::~CMsgReaderV3()
{
}
void CMsgReaderV3::readServerInit()
{
int width = is->readU16();
int height = is->readU16();
handler->setDesktopSize(width, height);
PixelFormat pf;
pf.read(is);
handler->setPixelFormat(pf);
CharArray name(is->readString());
handler->setName(name.buf);
handler->serverInit();
}
void CMsgReaderV3::readMsg()
{
if (nUpdateRectsLeft == 0) {
int type = is->readU8();
switch (type) {
case msgTypeFramebufferUpdate: readFramebufferUpdate(); break;
case msgTypeSetColourMapEntries: readSetColourMapEntries(); break;
case msgTypeBell: readBell(); break;
case msgTypeServerCutText: readServerCutText(); break;
case msgTypeFileListData:
case msgTypeFileDownloadData:
case msgTypeFileUploadCancel:
case msgTypeFileDownloadFailed:
case msgTypeFileDirSizeData:
case msgTypeFileLastRequestFailed:
handler->processFTMsg(type); break;
default:
fprintf(stderr, "unknown message type %d\n", type);
throw Exception("unknown message type");
}
} else {
int x = is->readU16();
int y = is->readU16();
int w = is->readU16();
int h = is->readU16();
unsigned int encoding = is->readU32();
switch (encoding) {
case pseudoEncodingDesktopSize:
handler->setDesktopSize(w, h);
break;
case pseudoEncodingCursor:
readSetCursor(w, h, Point(x,y));
break;
case pseudoEncodingLastRect:
nUpdateRectsLeft = 1; // this rectangle is the last one
break;
default:
readRect(Rect(x, y, x+w, y+h), encoding);
break;
};
nUpdateRectsLeft--;
if (nUpdateRectsLeft == 0) handler->framebufferUpdateEnd();
}
}
void CMsgReaderV3::readFramebufferUpdate()
{
is->skip(1);
nUpdateRectsLeft = is->readU16();
handler->framebufferUpdateStart();
}
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