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- /* 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 <stdio.h>
- #include <rfb/Exception.h>
- #include <rfb/Decoder.h>
- #include <rfb/RawDecoder.h>
- #include <rfb/RREDecoder.h>
- #include <rfb/HextileDecoder.h>
- #include <rfb/ZRLEDecoder.h>
-
- using namespace rfb;
-
- Decoder::~Decoder()
- {
- }
-
- DecoderCreateFnType Decoder::createFns[encodingMax+1] = { 0 };
-
- bool Decoder::supported(unsigned int encoding)
- {
- return encoding <= encodingMax && createFns[encoding];
- }
-
- Decoder* Decoder::createDecoder(unsigned int encoding, CMsgReader* reader)
- {
- if (encoding <= encodingMax && createFns[encoding])
- return (*createFns[encoding])(reader);
- return 0;
- }
-
- void Decoder::registerDecoder(unsigned int encoding,
- DecoderCreateFnType createFn)
- {
- if (encoding > encodingMax)
- throw Exception("Decoder::registerDecoder: encoding out of range");
-
- if (createFns[encoding])
- fprintf(stderr,"Replacing existing decoder for encoding %s (%d)\n",
- encodingName(encoding), encoding);
- createFns[encoding] = createFn;
- }
-
- int DecoderInit::count = 0;
-
- DecoderInit::DecoderInit()
- {
- if (count++ != 0) return;
-
- Decoder::registerDecoder(encodingRaw, RawDecoder::create);
- Decoder::registerDecoder(encodingRRE, RREDecoder::create);
- Decoder::registerDecoder(encodingHextile, HextileDecoder::create);
- Decoder::registerDecoder(encodingZRLE, ZRLEDecoder::create);
- }
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