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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright (C) 2005 Constantin Kaplinsky. 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/encodings.h>
- #include <rfb/SMsgWriter.h>
- #include <rfb/SConnection.h>
- #include <rfb/HextileEncoder.h>
- #include <rfb/PixelFormat.h>
- #include <rfb/PixelBuffer.h>
- #include <rfb/Configuration.h>
-
- using namespace rfb;
-
- BoolParameter improvedHextile("ImprovedHextile",
- "Use improved compression algorithm for Hextile "
- "encoding which achieves better compression "
- "ratios by the cost of using more CPU time",
- true);
-
- #define BPP 8
- #include <rfb/hextileEncode.h>
- #include <rfb/hextileEncodeBetter.h>
- #undef BPP
- #define BPP 16
- #include <rfb/hextileEncode.h>
- #include <rfb/hextileEncodeBetter.h>
- #undef BPP
- #define BPP 32
- #include <rfb/hextileEncode.h>
- #include <rfb/hextileEncodeBetter.h>
- #undef BPP
-
- HextileEncoder::HextileEncoder(SConnection* conn) : Encoder(conn)
- {
- }
-
- HextileEncoder::~HextileEncoder()
- {
- }
-
- void HextileEncoder::writeRect(const Rect& r, PixelBuffer* pb)
- {
- conn->writer()->startRect(r, encodingHextile);
- rdr::OutStream* os = conn->getOutStream();
- const PixelFormat& pf = conn->cp.pf();
- switch (pf.bpp) {
- case 8:
- if (improvedHextile) {
- hextileEncodeBetter8(r, os, pf, pb);
- } else {
- hextileEncode8(r, os, pf, pb);
- }
- break;
- case 16:
- if (improvedHextile) {
- hextileEncodeBetter16(r, os, pf, pb);
- } else {
- hextileEncode16(r, os, pf, pb);
- }
- break;
- case 32:
- if (improvedHextile) {
- hextileEncodeBetter32(r, os, pf, pb);
- } else {
- hextileEncode32(r, os, pf, pb);
- }
- break;
- }
- conn->writer()->endRect();
- }
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