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/* 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 <rfb/Encoder.h>
#include <rfb/PixelBuffer.h>
#include <rfb/Palette.h>
using namespace rfb;
Encoder::Encoder(SConnection *conn_, int encoding_,
enum EncoderFlags flags_, unsigned int maxPaletteSize_) :
conn(conn_), encoding(encoding_), flags(flags_),
maxPaletteSize(maxPaletteSize_)
{
}
Encoder::~Encoder()
{
}
void Encoder::writeSolidRect(int width, int height,
const PixelFormat& pf, const rdr::U8* colour)
{
ManagedPixelBuffer buffer(pf, width, height);
Pixel pixel;
Palette palette;
rdr::U32 palcol;
pixel = pf.pixelFromBuffer(colour);
buffer.fillRect(buffer.getRect(), pixel);
palcol = 0;
memcpy(&palcol, colour, pf.bpp/8);
palette.insert(palcol, 1);
writeRect(&buffer, palette);
}
void Encoder::writeSolidRect(const PixelBuffer* pb, const Palette& palette)
{
rdr::U32 col32;
rdr::U16 col16;
rdr::U8 col8;
rdr::U8* buffer;
assert(palette.size() == 1);
// The Palette relies on implicit up and down conversion
switch (pb->getPF().bpp) {
case 32:
col32 = (rdr::U32)palette.getColour(0);
buffer = (rdr::U8*)&col32;
break;
case 16:
col16 = (rdr::U16)palette.getColour(0);
buffer = (rdr::U8*)&col16;
break;
default:
col8 = (rdr::U8)palette.getColour(0);
buffer = (rdr::U8*)&col8;
break;
}
writeSolidRect(pb->width(), pb->height(), pb->getPF(), buffer);
}
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