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ButtonOpNode.cxx

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00042 /* ======================================================================= */
00043 
00044 // this will remove the warning 4786
00045 #include "../tool/disable4786.h"
00046 
00047 #include "ButtonOpNode.h"
00048 
00049 //using namespace std;
00050 
00051 // constructor method.
00052 
00053 
00054 #ifndef OT_NO_BUTTON_SUPPORT
00055 
00056 
00057 namespace ot {
00058 
00059     ButtonOpNode::ButtonOpNode( const Op & op )
00060         : Node(), arg1(0), arg2(0), operation( op )
00061     {
00062     }
00063 
00064     int ButtonOpNode::isEventGenerator()
00065     {
00066         return 1;
00067     }
00068 
00069     // this method is called by the EventGenerator to update it's observers.
00070 
00071     void ButtonOpNode::onEventGenerated( Event& event, Node& generator)
00072     {
00073         if( generator.isNodePort() == 1 )
00074         {
00075             if( generator.getType().compare("Arg1") == 0 )
00076                 arg1 = event.getButton();
00077             else
00078                 arg2 = event.getButton();
00079             result = event;
00080             switch( operation )
00081             {
00082                 case OR :
00083                     result.getButton() = arg1 | arg2;
00084                     break;
00085                 case AND :
00086                     result.getButton() = arg1 & arg2;
00087                     break;
00088             }
00089             updateObservers( result );
00090         }
00091     }
00092 
00093 } // namespace ot
00094 
00095 
00096 #else
00097 #pragma message(">>> OT_NO_BUTTON_SUPPORT")
00098 #endif //OT_NO_BUTTON_SUPPORT
00099 
00100 /* 
00101  * ------------------------------------------------------------
00102  *   End of ButtonOpNode.cxx
00103  * ------------------------------------------------------------
00104  *   Automatic Emacs configuration follows.
00105  *   Local Variables:
00106  *   mode:c++
00107  *   c-basic-offset: 4
00108  *   eval: (c-set-offset 'substatement-open 0)
00109  *   eval: (c-set-offset 'case-label '+)
00110  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00111  *   eval: (setq indent-tabs-mode nil)
00112  *   End:
00113  * ------------------------------------------------------------ 
00114  */

copyright (c) 2006 Graz University of Technology