KasmVNC/common/rfb/RawEncoder.cxx
2020-09-20 12:16:44 +00:00

77 lines
2.0 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2014 Pierre Ossman for Cendio AB
*
* 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 <rdr/OutStream.h>
#include <rfb/encodings.h>
#include <rfb/SConnection.h>
#include <rfb/PixelBuffer.h>
#include <rfb/RawEncoder.h>
using namespace rfb;
RawEncoder::RawEncoder(SConnection* conn) :
Encoder(conn, encodingRaw, EncoderPlain, -1)
{
}
RawEncoder::~RawEncoder()
{
}
bool RawEncoder::isSupported()
{
// Implicitly required;
return true;
}
void RawEncoder::writeRect(const PixelBuffer* pb, const Palette& palette)
{
const rdr::U8* buffer;
int stride;
rdr::OutStream* os;
int h, line_bytes, stride_bytes;
buffer = pb->getBuffer(pb->getRect(), &stride);
os = conn->getOutStream();
h = pb->height();
line_bytes = pb->width() * pb->getPF().bpp/8;
stride_bytes = stride * pb->getPF().bpp/8;
while (h--) {
os->writeBytes(buffer, line_bytes);
buffer += stride_bytes;
}
}
void RawEncoder::writeSolidRect(int width, int height,
const PixelFormat& pf,
const rdr::U8* colour)
{
rdr::OutStream* os;
int pixels, pixel_size;
os = conn->getOutStream();
pixels = width*height;
pixel_size = pf.bpp/8;
while (pixels--)
os->writeBytes(colour, pixel_size);
}