mirror of
https://github.com/TigerVNC/tigervnc.git
synced 2024-08-21 17:54:34 +02:00
![Constantin Kaplinsky](/assets/img/avatar_default.png)
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/* Copyright (C) 2002-2003 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/CMsgReader.h>
|
|
#include <rfb/CMsgHandler.h>
|
|
#include <rfb/ZRLEDecoder.h>
|
|
|
|
using namespace rfb;
|
|
|
|
#define EXTRA_ARGS CMsgHandler* handler
|
|
#define FILL_RECT(r, p) handler->fillRect(r, p)
|
|
#define IMAGE_RECT(r, p) handler->imageRect(r, p)
|
|
#define BPP 8
|
|
#include <rfb/zrleDecode.h>
|
|
#undef BPP
|
|
#define BPP 16
|
|
#include <rfb/zrleDecode.h>
|
|
#undef BPP
|
|
#define BPP 32
|
|
#include <rfb/zrleDecode.h>
|
|
#define CPIXEL 24A
|
|
#include <rfb/zrleDecode.h>
|
|
#undef CPIXEL
|
|
#define CPIXEL 24B
|
|
#include <rfb/zrleDecode.h>
|
|
#undef CPIXEL
|
|
#undef BPP
|
|
|
|
Decoder* ZRLEDecoder::create(CMsgReader* reader)
|
|
{
|
|
return new ZRLEDecoder(reader);
|
|
}
|
|
|
|
ZRLEDecoder::ZRLEDecoder(CMsgReader* reader_) : reader(reader_)
|
|
{
|
|
}
|
|
|
|
ZRLEDecoder::~ZRLEDecoder()
|
|
{
|
|
}
|
|
|
|
void ZRLEDecoder::readRect(const Rect& r, CMsgHandler* handler)
|
|
{
|
|
rdr::InStream* is = reader->getInStream();
|
|
rdr::U8* buf = reader->getImageBuf(64 * 64 * 4);
|
|
switch (reader->bpp()) {
|
|
case 8: zrleDecode8 (r, is, &zis, (rdr::U8*) buf, handler); break;
|
|
case 16: zrleDecode16(r, is, &zis, (rdr::U16*)buf, handler); break;
|
|
case 32:
|
|
{
|
|
const rfb::PixelFormat& pf = handler->cp.pf();
|
|
bool fitsInLS3Bytes = ((pf.redMax << pf.redShift) < (1<<24) &&
|
|
(pf.greenMax << pf.greenShift) < (1<<24) &&
|
|
(pf.blueMax << pf.blueShift) < (1<<24));
|
|
|
|
bool fitsInMS3Bytes = (pf.redShift > 7 &&
|
|
pf.greenShift > 7 &&
|
|
pf.blueShift > 7);
|
|
|
|
if ((fitsInLS3Bytes && !pf.bigEndian) ||
|
|
(fitsInMS3Bytes && pf.bigEndian))
|
|
{
|
|
zrleDecode24A(r, is, &zis, (rdr::U32*)buf, handler);
|
|
}
|
|
else if ((fitsInLS3Bytes && pf.bigEndian) ||
|
|
(fitsInMS3Bytes && !pf.bigEndian))
|
|
{
|
|
zrleDecode24B(r, is, &zis, (rdr::U32*)buf, handler);
|
|
}
|
|
else
|
|
{
|
|
zrleDecode32(r, is, &zis, (rdr::U32*)buf, handler);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|