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- /* Copyright (C) 2002-2004 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/Encoder.h>
- #include <rfb/RawEncoder.h>
- #include <rfb/RREEncoder.h>
- #include <rfb/HextileEncoder.h>
- #include <rfb/ZRLEEncoder.h>
-
- using namespace rfb;
-
- Encoder::~Encoder()
- {
- }
-
- EncoderCreateFnType Encoder::createFns[encodingMax+1] = { 0 };
-
- bool Encoder::supported(unsigned int encoding)
- {
- return encoding <= encodingMax && createFns[encoding];
- }
-
- Encoder* Encoder::createEncoder(unsigned int encoding, SMsgWriter* writer)
- {
- if (encoding <= encodingMax && createFns[encoding])
- return (*createFns[encoding])(writer);
- return 0;
- }
-
- void Encoder::registerEncoder(unsigned int encoding,
- EncoderCreateFnType createFn)
- {
- if (encoding > encodingMax)
- throw Exception("Encoder::registerEncoder: encoding out of range");
-
- if (createFns[encoding])
- fprintf(stderr,"Replacing existing encoder for encoding %s (%d)\n",
- encodingName(encoding), encoding);
- createFns[encoding] = createFn;
- }
-
- void Encoder::unregisterEncoder(unsigned int encoding)
- {
- if (encoding > encodingMax)
- throw Exception("Encoder::unregisterEncoder: encoding out of range");
- createFns[encoding] = 0;
- }
-
- int EncoderInit::count = 0;
-
- EncoderInit::EncoderInit()
- {
- if (count++ != 0) return;
-
- Encoder::registerEncoder(encodingRaw, RawEncoder::create);
- Encoder::registerEncoder(encodingRRE, RREEncoder::create);
- Encoder::registerEncoder(encodingHextile, HextileEncoder::create);
- Encoder::registerEncoder(encodingZRLE, ZRLEEncoder::create);
- }
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