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https://github.com/kasmtech/KasmVNC.git
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82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright 2014 Pierre Ossman for Cendio AB
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include <rfb/Encoder.h>
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#include <rfb/PixelBuffer.h>
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#include <rfb/Palette.h>
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using namespace rfb;
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Encoder::Encoder(SConnection *conn_, int encoding_,
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enum EncoderFlags flags_, unsigned int maxPaletteSize_) :
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encoding(encoding_), flags(flags_),
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maxPaletteSize(maxPaletteSize_), conn(conn_)
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{
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}
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Encoder::~Encoder()
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{
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}
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void Encoder::writeSolidRect(int width, int height,
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const PixelFormat& pf, const rdr::U8* colour)
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{
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ManagedPixelBuffer buffer(pf, width, height);
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Palette palette;
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rdr::U32 palcol;
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buffer.fillRect(buffer.getRect(), colour);
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palcol = 0;
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memcpy(&palcol, colour, pf.bpp/8);
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palette.insert(palcol, 1);
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writeRect(&buffer, palette);
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}
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void Encoder::writeSolidRect(const PixelBuffer* pb, const Palette& palette)
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{
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rdr::U32 col32;
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rdr::U16 col16;
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rdr::U8 col8;
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rdr::U8* buffer;
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assert(palette.size() == 1);
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// The Palette relies on implicit up and down conversion
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switch (pb->getPF().bpp) {
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case 32:
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col32 = (rdr::U32)palette.getColour(0);
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buffer = (rdr::U8*)&col32;
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break;
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case 16:
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col16 = (rdr::U16)palette.getColour(0);
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buffer = (rdr::U8*)&col16;
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break;
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default:
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col8 = (rdr::U8)palette.getColour(0);
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buffer = (rdr::U8*)&col8;
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break;
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}
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writeSolidRect(pb->width(), pb->height(), pb->getPF(), buffer);
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}
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