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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright (C) 2011 D. R. Commander. 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 <stdio.h>
- #include <rdr/InStream.h>
- #include <rdr/OutStream.h>
- #include <rfb/Exception.h>
- #include <rfb/encodings.h>
- #include <rfb/ledStates.h>
- #include <rfb/ConnParams.h>
- #include <rfb/util.h>
-
- using namespace rfb;
-
- ConnParams::ConnParams()
- : majorVersion(0), minorVersion(0),
- width(0), height(0), useCopyRect(false),
- supportsLocalCursor(false), supportsLocalXCursor(false),
- supportsLocalCursorWithAlpha(false),
- supportsDesktopResize(false), supportsExtendedDesktopSize(false),
- supportsDesktopRename(false), supportsLastRect(false),
- supportsLEDState(false), supportsQEMUKeyEvent(false),
- supportsSetDesktopSize(false), supportsFence(false),
- supportsContinuousUpdates(false),
- compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
- subsampling(subsampleUndefined), name_(0), verStrPos(0),
- ledState_(ledUnknown)
- {
- setName("");
- cursor_ = new Cursor(0, 0, Point(), NULL);
- }
-
- ConnParams::~ConnParams()
- {
- delete [] name_;
- delete cursor_;
- }
-
- bool ConnParams::readVersion(rdr::InStream* is, bool* done)
- {
- if (verStrPos >= 12) return false;
- while (is->checkNoWait(1) && verStrPos < 12) {
- verStr[verStrPos++] = is->readU8();
- }
-
- if (verStrPos < 12) {
- *done = false;
- return true;
- }
- *done = true;
- verStr[12] = 0;
- return (sscanf(verStr, "RFB %03d.%03d\n", &majorVersion,&minorVersion) == 2);
- }
-
- void ConnParams::writeVersion(rdr::OutStream* os)
- {
- char str[13];
- sprintf(str, "RFB %03d.%03d\n", majorVersion, minorVersion);
- os->writeBytes(str, 12);
- os->flush();
- }
-
- void ConnParams::setPF(const PixelFormat& pf)
- {
- pf_ = pf;
-
- if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
- throw Exception("setPF: not 8, 16 or 32 bpp?");
- }
-
- void ConnParams::setName(const char* name)
- {
- delete [] name_;
- name_ = strDup(name);
- }
-
- void ConnParams::setCursor(const Cursor& other)
- {
- delete cursor_;
- cursor_ = new Cursor(other);
- }
-
- bool ConnParams::supportsEncoding(rdr::S32 encoding) const
- {
- return encodings_.count(encoding) != 0;
- }
-
- void ConnParams::setEncodings(int nEncodings, const rdr::S32* encodings)
- {
- useCopyRect = false;
- supportsLocalCursor = false;
- supportsLocalCursorWithAlpha = false;
- supportsDesktopResize = false;
- supportsExtendedDesktopSize = false;
- supportsLocalXCursor = false;
- supportsLastRect = false;
- supportsQEMUKeyEvent = false;
- compressLevel = -1;
- qualityLevel = -1;
- fineQualityLevel = -1;
- subsampling = subsampleUndefined;
-
- encodings_.clear();
- encodings_.insert(encodingRaw);
-
- for (int i = nEncodings-1; i >= 0; i--) {
- switch (encodings[i]) {
- case encodingCopyRect:
- useCopyRect = true;
- break;
- case pseudoEncodingCursor:
- supportsLocalCursor = true;
- break;
- case pseudoEncodingXCursor:
- supportsLocalXCursor = true;
- break;
- case pseudoEncodingCursorWithAlpha:
- supportsLocalCursorWithAlpha = true;
- break;
- case pseudoEncodingDesktopSize:
- supportsDesktopResize = true;
- break;
- case pseudoEncodingExtendedDesktopSize:
- supportsExtendedDesktopSize = true;
- break;
- case pseudoEncodingDesktopName:
- supportsDesktopRename = true;
- break;
- case pseudoEncodingLastRect:
- supportsLastRect = true;
- break;
- case pseudoEncodingLEDState:
- supportsLEDState = true;
- break;
- case pseudoEncodingQEMUKeyEvent:
- supportsQEMUKeyEvent = true;
- break;
- case pseudoEncodingFence:
- supportsFence = true;
- break;
- case pseudoEncodingContinuousUpdates:
- supportsContinuousUpdates = true;
- break;
- case pseudoEncodingSubsamp1X:
- subsampling = subsampleNone;
- break;
- case pseudoEncodingSubsampGray:
- subsampling = subsampleGray;
- break;
- case pseudoEncodingSubsamp2X:
- subsampling = subsample2X;
- break;
- case pseudoEncodingSubsamp4X:
- subsampling = subsample4X;
- break;
- case pseudoEncodingSubsamp8X:
- subsampling = subsample8X;
- break;
- case pseudoEncodingSubsamp16X:
- subsampling = subsample16X;
- break;
- }
-
- if (encodings[i] >= pseudoEncodingCompressLevel0 &&
- encodings[i] <= pseudoEncodingCompressLevel9)
- compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
-
- if (encodings[i] >= pseudoEncodingQualityLevel0 &&
- encodings[i] <= pseudoEncodingQualityLevel9)
- qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
-
- if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
- encodings[i] <= pseudoEncodingFineQualityLevel100)
- fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
-
- if (encodings[i] > 0)
- encodings_.insert(encodings[i]);
- }
- }
-
- void ConnParams::setLEDState(unsigned int state)
- {
- ledState_ = state;
- }
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